/* roulang page: index */
/* ============ 设计变量 ============ */
:root{
  --brand:#0FCB8A;
  --brand-dark:#0AA16C;
  --brand-soft:rgba(15,203,138,0.10);
  --accent:#FF5B2E;
  --accent-dark:#E24A20;
  --ink:#0D0F0E;
  --ink-2:#16191A;
  --bg:#F5F6F4;
  --card:#FFFFFF;
  --line:#E3E6E2;
  --text:#1B1F1D;
  --text-2:#5C6560;
  --text-3:#8A938D;
  --on-dark:#E8EBE9;
  --on-dark-2:#9AA39E;
  --hl:#FFD84D;
  --r-card:16px;
  --r-vcard:18px;
  --r-btn:12px;
  --r-img:14px;
  --r-pill:999px;
  --sh-1:0 1px 2px rgba(13,15,14,0.05);
  --sh-2:0 12px 28px rgba(13,15,14,0.10);
  --s1:8px;--s2:12px;--s3:16px;--s4:24px;--s5:32px;
  --dur:.22s;
  --font-cn:"PingFang SC","HarmonyOS Sans SC","Noto Sans SC","Microsoft YaHei",system-ui,sans-serif;
  --font-num:"Oswald","Barlow Condensed","Arial Narrow",sans-serif;
}

/* ============ 基础重置 ============ */
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--font-cn);
  font-size:16.5px;
  line-height:1.85;
  color:var(--text);
  background:var(--bg);
  font-variant-numeric:tabular-nums;
  -webkit-font-smoothing:antialiased;
}
body.no-scroll{overflow:hidden;}
img{max-width:100%;display:block;height:auto;}
a{color:var(--text);text-decoration:none;transition:color var(--dur) ease;}
a:hover{color:var(--brand-dark);}
ul,ol{list-style:none;margin:0;padding:0;}
h1,h2,h3,h4{margin:0;font-weight:700;line-height:1.25;letter-spacing:-0.01em;}
p{margin:0;}
button{font-family:inherit;cursor:pointer;}
input,textarea,select{font-family:inherit;}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:4px;}

/* ============ 容器 ============ */
.container{
  width:100%;
  max-width:1200px;
  margin:0 auto;
  padding:0 20px;
}
@media (min-width:768px){.container{padding:0 32px;}}
@media (min-width:1280px){.container{padding:0 40px;max-width:1280px;}}

/* ============ 通用按钮 ============ */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  padding:13px 24px;
  border-radius:var(--r-btn);
  font-size:15px;
  font-weight:700;
  line-height:1.2;
  border:1px solid transparent;
  cursor:pointer;
  transition:background var(--dur) ease,color var(--dur) ease,border-color var(--dur) ease,transform var(--dur) ease,box-shadow var(--dur) ease;
  white-space:nowrap;
}
.btn:active{transform:scale(.98);}
.btn-primary{background:var(--brand);color:#04231A;}
.btn-primary:hover{background:var(--brand-dark);color:#FFFFFF;transform:translateY(-1px);}
.btn-accent{background:var(--accent);color:#FFFFFF;}
.btn-accent:hover{background:var(--accent-dark);color:#FFFFFF;transform:translateY(-1px);}
.btn-ghost{background:transparent;border-color:rgba(255,255,255,.28);color:var(--on-dark);}
.btn-ghost:hover{background:rgba(15,203,138,.16);border-color:var(--brand);color:#FFFFFF;}
.btn-outline{background:#FFFFFF;border-color:var(--line);color:var(--text);}
.btn-outline:hover{border-color:var(--brand);background:var(--brand-soft);color:var(--brand-dark);}
.btn-sm{padding:9px 16px;font-size:14px;}

/* ============ 头部导航 ============ */
.site-header{
  position:sticky;
  top:0;
  z-index:60;
  background:#FFFFFF;
  border-bottom:1px solid transparent;
  transition:box-shadow var(--dur) ease,border-color var(--dur) ease,background var(--dur) ease;
}
.site-header.is-stuck{
  background:rgba(255,255,255,.92);
  backdrop-filter:blur(12px);
  -webkit-backdrop-filter:blur(12px);
  border-bottom-color:var(--line);
  box-shadow:0 6px 20px rgba(13,15,14,.06);
}
.brandbar-inner{
  display:flex;
  align-items:center;
  gap:16px;
  height:60px;
}
.logo{display:flex;align-items:center;gap:10px;flex:0 0 auto;}
.logo-mark{
  width:32px;height:32px;border-radius:9px;
  background:linear-gradient(135deg,#0FCB8A,#0AA16C);
  color:#03251B;
  display:grid;place-items:center;
  font-family:var(--font-num);
  font-weight:700;font-size:14px;letter-spacing:.02em;
}
.logo-text{display:flex;flex-direction:column;line-height:1.1;}
.logo-main{font-size:17px;font-weight:800;letter-spacing:-.01em;color:var(--text);}
.logo-sub{font-size:11px;color:var(--text-3);letter-spacing:.16em;}
.nav-search{position:relative;flex:1 1 auto;max-width:420px;display:none;align-items:center;}
@media (min-width:768px){.nav-search{display:flex;}}
.nav-search i{
  position:absolute;left:14px;top:50%;transform:translateY(-50%);
  color:var(--text-3);font-size:14px;pointer-events:none;
}
.nav-search input{
  width:100%;height:42px;border-radius:12px;
  border:1px solid var(--line);background:#F5F6F4;
  padding:0 88px 0 38px;font-size:14px;color:var(--text);
  transition:border-color var(--dur),box-shadow var(--dur),background var(--dur);
}
.nav-search input::placeholder{color:var(--text-3);}
.nav-search input:focus{
  outline:none;border-color:var(--brand);background:#FFFFFF;
  box-shadow:0 0 0 3px rgba(15,203,138,.18);
}
.nav-search button{
  position:absolute;right:5px;top:50%;transform:translateY(-50%);
  height:32px;padding:0 14px;border-radius:9px;border:none;
  background:var(--brand);color:#04231A;font-size:13px;font-weight:700;
  transition:background var(--dur);
}
.nav-search button:hover{background:var(--brand-dark);color:#FFFFFF;}
.brandbar-actions{margin-left:auto;display:flex;align-items:center;gap:10px;flex:0 0 auto;}
.nav-toggle{
  width:42px;height:42px;border-radius:12px;
  border:1px solid var(--line);background:#FFFFFF;color:var(--text);
  display:grid;place-items:center;font-size:16px;
  transition:border-color var(--dur),color var(--dur);
}
.nav-toggle:hover{border-color:var(--brand);color:var(--brand-dark);}
@media (min-width:1024px){.nav-toggle{display:none;}}

.channelbar{border-top:1px solid var(--line);background:#FFFFFF;}
.channelbar-inner{display:flex;align-items:center;gap:16px;height:44px;}
.channel-list{display:flex;align-items:center;gap:2px;flex:1 1 auto;overflow-x:auto;scrollbar-width:none;-ms-overflow-style:none;}
.channel-list::-webkit-scrollbar{display:none;}
.channel-list a{
  position:relative;display:inline-block;white-space:nowrap;
  padding:8px 12px;font-size:14.5px;font-weight:600;color:var(--text-2);
  transition:color var(--dur);
}
.channel-list a::after{
  content:"";position:absolute;left:12px;right:12px;bottom:2px;height:2px;
  background:var(--brand);transform:scaleX(0);transform-origin:left;
  transition:transform var(--dur) ease;
}
.channel-list a:hover{color:var(--brand-dark);}
.channel-list a:hover::after{transform:scaleX(1);}
.channel-list a.is-active{color:var(--brand-dark);font-weight:700;}
.channel-list a.is-active::after{transform:scaleX(1);}
.trend-list{display:none;align-items:center;gap:8px;flex:0 0 auto;}
@media (min-width:1280px){.trend-list{display:flex;}}
.trend-list a{
  background:rgba(255,216,77,.18);color:#1B1F1D;
  padding:4px 11px;border-radius:var(--r-pill);font-size:12.5px;white-space:nowrap;
  transition:background var(--dur),color var(--dur);
}
.trend-list a:hover{background:var(--accent);color:#FFFFFF;}

/* 移动端抽屉 */
.drawer-mask{
  position:fixed;inset:0;background:rgba(13,15,14,.5);
  opacity:0;visibility:hidden;transition:opacity var(--dur),visibility var(--dur);z-index:80;
}
.drawer-mask.is-open{opacity:1;visibility:visible;}
.drawer{
  position:fixed;top:0;right:0;bottom:0;width:min(320px,86vw);
  background:#FFFFFF;z-index:90;padding:28px 22px;
  transform:translateX(102%);transition:transform .26s ease;
  overflow-y:auto;
}
.drawer.is-open{transform:translateX(0);}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:24px;}
.drawer-close{
  width:38px;height:38px;border-radius:10px;border:1px solid var(--line);
  background:#FFFFFF;color:var(--text);display:grid;place-items:center;
}
.drawer-close:hover{border-color:var(--brand);color:var(--brand-dark);}
.drawer-search{display:flex;gap:8px;margin-bottom:22px;}
.drawer-search input{
  flex:1;height:44px;border-radius:12px;border:1px solid var(--line);
  background:#F5F6F4;padding:0 14px;font-size:14px;
}
.drawer-search input:focus{outline:none;border-color:var(--brand);background:#FFFFFF;}
.drawer-nav{margin-bottom:24px;}
.drawer-nav a{
  display:block;padding:13px 12px;border-radius:12px;
  font-size:15.5px;font-weight:600;color:var(--text-2);
  transition:background var(--dur),color var(--dur);
}
.drawer-nav a:hover,.drawer-nav a.is-active{background:var(--brand-soft);color:var(--brand-dark);}
.drawer-trends{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:24px;}
.drawer-trends a{background:rgba(255,216,77,.18);padding:5px 12px;border-radius:var(--r-pill);font-size:12.5px;}

/* ============ Hero ============ */
.hero{
  position:relative;
  background:var(--ink);
  color:var(--on-dark);
  overflow:hidden;
  padding:clamp(40px,6vw,80px) 0 clamp(60px,8vw,100px);
}
.hero-bg{
  position:absolute;inset:0;
  background-image:url(/assets/images/backpic/back-1.png);
  background-size:cover;background-position:center;
  opacity:.24;
}
.hero-bg::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(13,15,14,.42) 0%,rgba(13,15,14,.90) 62%,#F5F6F4 100%);
}
.hero::before{
  content:"";position:absolute;inset:0;z-index:1;
  background-image:linear-gradient(rgba(255,255,255,.028) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.028) 1px,transparent 1px);
  background-size:56px 56px;
  pointer-events:none;
}
.hero .container{position:relative;z-index:2;}
.hero-grid{align-items:center;}
.hero-badge{
  display:inline-flex;align-items:center;gap:8px;
  padding:6px 14px;border-radius:var(--r-pill);
  background:rgba(15,203,138,.14);border:1px solid rgba(15,203,138,.32);
  color:var(--brand);font-size:13px;font-weight:700;letter-spacing:.02em;
}
.hero h1{
  margin-top:22px;
  font-size:clamp(34px,5.2vw,58px);
  line-height:1.08;font-weight:800;letter-spacing:-.02em;color:#FFFFFF;
}
.hero-sub{
  margin-top:18px;max-width:560px;
  font-size:17px;line-height:1.8;color:var(--on-dark-2);
}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:30px;}
.hero-stats{
  display:flex;flex-wrap:wrap;gap:clamp(24px,4vw,48px);
  margin-top:44px;padding-top:26px;
  border-top:1px solid rgba(255,255,255,.10);
}
.stat{display:flex;flex-direction:column;gap:2px;}
.stat-line{display:flex;align-items:baseline;gap:4px;}
.stat-num{font-family:var(--font-num);font-size:34px;line-height:1;font-weight:700;color:var(--brand);}
.stat-unit{font-size:13px;color:var(--on-dark-2);}
.stat-label{font-size:13px;color:var(--on-dark-2);}

.hero-visual{
  position:relative;
  display:flex;justify-content:center;align-items:center;
  gap:14px;min-height:360px;margin-top:44px;
}
@media (min-width:1024px){.hero-visual{margin-top:0;min-height:460px;}}
.vcard{
  position:relative;
  width:32%;max-width:190px;
  aspect-ratio:9/16;
  border-radius:var(--r-vcard);
  overflow:hidden;
  box-shadow:0 18px 42px rgba(0,0,0,.5);
  border:1px solid rgba(255,255,255,.10);
  animation:fadeUp .6s ease both;
}
.vcard img{width:100%;height:100%;object-fit:cover;object-position:center;}
.vcard::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,transparent 42%,rgba(13,15,14,.88));
}
.vcard span{
  position:absolute;left:12px;right:12px;bottom:12px;z-index:2;
  font-size:12.5px;font-weight:700;color:#FFFFFF;line-height:1.45;
}
.vcard:nth-child(1){transform:rotate(-3deg) translateY(10px);}
.vcard:nth-child(2){transform:rotate(2deg) translateY(-16px);z-index:3;max-width:210px;width:36%;}
.vcard:nth-child(3){transform:rotate(-1.5deg) translateY(14px);}
@keyframes fadeUp{from{opacity:0;transform:translateY(18px) rotate(0);}to{opacity:1;}}

/* ============ 通用板块 ============ */
.section{padding:clamp(56px,8vw,112px) 0;}
.section--alt{background:#FFFFFF;}
.section-head{
  display:flex;align-items:flex-end;justify-content:space-between;
  gap:24px;flex-wrap:wrap;margin-bottom:36px;
}
.section-eyebrow{
  font-family:var(--font-num);font-size:13px;font-weight:600;
  letter-spacing:.18em;color:var(--brand-dark);text-transform:uppercase;
}
.section-title{
  font-size:clamp(24px,3vw,36px);font-weight:700;letter-spacing:-.01em;margin-top:8px;
}
.section-desc{margin-top:10px;max-width:660px;font-size:15.5px;color:var(--text-2);}
.link-more{
  display:inline-flex;align-items:center;gap:6px;
  color:var(--brand-dark);font-size:14.5px;font-weight:700;
}
.link-more i{transition:transform var(--dur);}
.link-more:hover i{transform:translateX(4px);}

/* ============ 片段卡带 ============ */
.clip-rail{
  display:flex;gap:20px;overflow-x:auto;
  scroll-snap-type:x mandatory;
  padding:6px 4px 22px;
  scrollbar-width:none;-ms-overflow-style:none;
}
.clip-rail::-webkit-scrollbar{display:none;}
.clip{flex:0 0 auto;width:206px;scroll-snap-align:start;}
.clip-media{
  position:relative;aspect-ratio:9/16;border-radius:var(--r-vcard);
  overflow:hidden;background:var(--ink-2);
}
.clip-media img{width:100%;height:100%;object-fit:cover;object-position:center;transition:transform .22s ease-out;}
.clip:hover .clip-media img{transform:scale(1.04);}
.clip-media::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,transparent 40%,rgba(13,15,14,.86));
}
.clip-dur{
  position:absolute;top:10px;left:10px;z-index:2;
  background:rgba(13,15,14,.78);color:#FFFFFF;
  border-radius:6px;font-family:var(--font-num);font-size:12px;
  padding:2px 7px;line-height:1.5;
}
.clip-views{
  position:absolute;right:10px;bottom:10px;z-index:2;
  display:flex;align-items:center;gap:5px;
  color:rgba(255,255,255,.85);font-family:var(--font-num);font-size:12.5px;
}
.clip-title{
  margin:12px 0 8px;font-size:14.5px;font-weight:700;line-height:1.45;
  display:-webkit-box;-webkit-line-clamp:1;-webkit-box-orient:vertical;overflow:hidden;
}
.chip{
  display:inline-flex;align-items:center;gap:6px;
  padding:5px 12px;border-radius:var(--r-pill);
  background:var(--brand-soft);color:var(--brand-dark);
  font-size:12.5px;font-weight:700;white-space:nowrap;
}
.chip--solid{background:var(--brand);color:#04231A;}
.chip--hl{background:rgba(255,216,77,.22);color:#6B5300;}

/* ============ 种草清单 ============ */
.picks{display:grid;grid-template-columns:1fr;gap:20px;}
@media (min-width:1024px){
  .picks{grid-template-columns:1fr 1fr;gap:24px 32px;}
  .pick:nth-child(even){margin-top:34px;}
}
.pick{
  display:flex;gap:20px;align-items:flex-start;
  background:#FFFFFF;border:1px solid var(--line);border-radius:var(--r-card);
  padding:24px;box-shadow:var(--sh-1);
  transition:box-shadow var(--dur) ease,transform var(--dur) ease;
}
.pick:hover{box-shadow:var(--sh-2);transform:translateY(-3px);}
.pick-num{
  flex:0 0 auto;
  font-family:var(--font-num);font-weight:700;
  font-size:clamp(40px,4.6vw,52px);line-height:.9;
  color:rgba(15,203,138,.35);
}
.pick-body{flex:1 1 auto;min-width:0;}
.pick-body h3{font-size:18px;font-weight:700;margin-bottom:8px;}
.pick-body p{font-size:14.5px;color:var(--text-2);line-height:1.8;}
.pick-thumb{
  flex:0 0 auto;width:72px;height:72px;border-radius:var(--r-img);
  overflow:hidden;background:var(--bg);
}
.pick-thumb img{width:100%;height:100%;object-fit:cover;}
.pick-arrow{
  flex:0 0 auto;color:var(--text-3);font-size:14px;
  align-self:center;transition:color var(--dur),transform var(--dur);
}
.pick:hover .pick-arrow{color:var(--brand-dark);transform:translateX(4px);}

/* ============ 最新信息列表 ============ */
.news-list{border-top:1px solid var(--line);}
.news-row{
  display:flex;align-items:center;gap:20px;
  padding:24px 8px;border-bottom:1px solid var(--line);
  transition:background var(--dur) ease,padding-left var(--dur) ease;
}
.news-row:hover{background:#FAFBF9;padding-left:14px;}
.news-main{flex:1 1 auto;min-width:0;}
.news-meta{display:flex;align-items:center;gap:12px;flex-wrap:wrap;margin-bottom:10px;}
.news-meta time{font-size:13px;color:var(--text-3);font-family:var(--font-num);letter-spacing:.02em;}
.news-title{font-size:18.5px;font-weight:700;line-height:1.45;}
.news-title a{color:var(--text);}
.news-title a:hover{color:var(--brand-dark);}
.news-sum{
  margin-top:8px;font-size:14.5px;color:var(--text-2);line-height:1.8;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.news-arrow{
  flex:0 0 auto;width:40px;height:40px;border-radius:50%;
  display:grid;place-items:center;
  border:1px solid var(--line);color:var(--text-3);font-size:13px;
  transition:border-color var(--dur),color var(--dur),background var(--dur);
}
.news-row:hover .news-arrow{border-color:var(--brand);color:var(--brand-dark);background:var(--brand-soft);}
.empty-state{
  min-height:160px;display:flex;flex-direction:column;align-items:center;justify-content:center;
  gap:12px;border:1px dashed var(--line);border-radius:var(--r-card);
  background:#FAFBF9;color:var(--text-2);text-align:center;padding:32px 20px;
}
.empty-state i{font-size:26px;color:var(--text-3);}
.empty-state p{font-size:15px;}

/* ============ 口碑条 ============ */
.review-rail{
  display:flex;gap:20px;overflow-x:auto;
  scroll-snap-type:x proximity;padding:6px 4px 22px;
  scrollbar-width:none;-ms-overflow-style:none;
}
.review-rail::-webkit-scrollbar{display:none;}
.review{
  flex:0 0 auto;width:300px;scroll-snap-align:start;
  background:#FFFFFF;border:1px solid var(--line);border-radius:var(--r-card);
  padding:24px;box-shadow:var(--sh-1);
  transition:box-shadow var(--dur),transform var(--dur);
}
.review:hover{box-shadow:var(--sh-2);transform:translateY(-3px);}
.review-head{display:flex;align-items:center;gap:12px;margin-bottom:14px;}
.avatar{
  width:42px;height:42px;border-radius:12px;flex:0 0 auto;
  display:grid;place-items:center;font-size:15px;font-weight:700;color:#04231A;
  background:var(--brand-soft);
}
.avatar--a{background:rgba(15,203,138,.16);color:#0A7A52;}
.avatar--b{background:rgba(255,91,46,.14);color:#B8371A;}
.avatar--c{background:rgba(255,216,77,.28);color:#6B5300;}
.review-name{font-size:14.5px;font-weight:700;}
.review-time{font-size:12.5px;color:var(--text-3);}
.review-text{font-size:14.5px;color:var(--text-2);line-height:1.85;}

/* ============ CTA 带 ============ */
.cta-band{
  position:relative;overflow:hidden;
  background:var(--ink);color:var(--on-dark);
  padding:clamp(48px,7vw,88px) 0;
}
.cta-band::before{
  content:"";position:absolute;inset:0;
  background-image:url(/assets/images/backpic/back-2.webp);
  background-size:cover;background-position:center;opacity:.18;
}
.cta-band::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(120deg,rgba(13,15,14,.94) 0%,rgba(13,15,14,.72) 100%);
}
.cta-inner{position:relative;z-index:2;}
.cta-inner h2{
  font-size:clamp(26px,3.4vw,40px);font-weight:800;color:#FFFFFF;line-height:1.2;
  letter-spacing:-.02em;max-width:640px;
}
.cta-inner p{margin-top:16px;max-width:560px;color:var(--on-dark-2);font-size:16px;}
.cta-form{
  display:flex;gap:12px;flex-wrap:wrap;margin-top:30px;max-width:640px;
}
.cta-form input{
  flex:1 1 240px;height:48px;border-radius:var(--r-btn);
  border:1px solid rgba(255,255,255,.16);background:rgba(255,255,255,.06);
  padding:0 18px;font-size:15px;color:#FFFFFF;
  transition:border-color var(--dur),box-shadow var(--dur);
}
.cta-form input::placeholder{color:var(--on-dark-2);}
.cta-form input:focus{
  outline:none;border-color:var(--brand);
  box-shadow:0 0 0 3px rgba(15,203,138,.22);
}
.cta-note{margin-top:14px;font-size:13px;color:var(--on-dark-2);}

/* ============ FAQ ============ */
.faq-acc,.faq-acc .accordion-item{
  background:transparent;border:none;border-radius:0;box-shadow:none;
}
.faq-acc .accordion-item{
  border:1px solid var(--line);border-radius:var(--r-card);
  background:#FFFFFF;margin-bottom:12px;overflow:hidden;
  transition:box-shadow var(--dur),border-color var(--dur);
}
.faq-acc .accordion-item:hover{border-color:#D3D8D3;box-shadow:var(--sh-1);}
.faq-acc .accordion-title{
  padding:20px 58px 20px 22px;
  font-size:17px;font-weight:700;color:var(--text);
  background:#FFFFFF;border:none;
  line-height:1.5;
}
.faq-acc .accordion-title:hover{background:#FAFBF9;}
.faq-acc .accordion-title::before{
  content:"+";position:absolute;right:22px;top:50%;
  transform:translateY(-50%);
  font-size:22px;font-weight:600;color:var(--brand);
  width:auto;height:auto;margin:0;line-height:1;
}
.faq-acc .accordion-title::after{display:none;}
.faq-acc .accordion-item.is-active .accordion-title::before{content:"−";color:var(--brand-dark);}
.faq-acc .accordion-content{
  padding:0 22px 22px;border:none;background:#FFFFFF;
  color:var(--text-2);font-size:15.5px;line-height:1.85;
}
.faq-acc .accordion-content p+p{margin-top:10px;}

/* ============ 页脚 ============ */
.site-footer{
  background:var(--ink);color:var(--on-dark-2);
  padding:clamp(48px,6vw,76px) 0 0;
}
.footer-grid{row-gap:34px;}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px;}
.footer-brand .logo-mark{background:linear-gradient(135deg,#0FCB8A,#0AA16C);}
.footer-brand .logo-main{color:#FFFFFF;}
.footer-brand .logo-sub{color:var(--on-dark-2);}
.footer-desc{font-size:14.5px;line-height:1.85;color:var(--on-dark-2);max-width:280px;}
.footer-social{display:flex;gap:10px;margin-top:18px;}
.footer-social a{
  width:38px;height:38px;border-radius:11px;
  border:1px solid rgba(255,255,255,.12);
  display:grid;place-items:center;color:var(--on-dark-2);font-size:15px;
  transition:border-color var(--dur),color var(--dur),background var(--dur);
}
.footer-social a:hover{border-color:var(--brand);color:var(--brand);background:rgba(15,203,138,.10);}
.footer-title{
  font-size:14px;font-weight:700;color:#FFFFFF;letter-spacing:.04em;margin-bottom:16px;
}
.footer-links li{margin-bottom:11px;}
.footer-links a{font-size:14.5px;color:var(--on-dark-2);}
.footer-links a:hover{color:var(--brand);}
.footer-bottom{
  margin-top:clamp(36px,5vw,56px);
  border-top:1px solid rgba(255,255,255,.10);
  padding:22px 0 26px;
  text-align:center;font-size:13px;color:var(--on-dark-2);
}
.footer-bottom span{color:#6E7873;}

/* ============ 移动端底部条 ============ */
.mobile-bar{
  position:fixed;left:0;right:0;bottom:0;z-index:70;
  display:flex;align-items:center;gap:10px;
  height:56px;padding:0 16px calc(env(safe-area-inset-bottom));
  background:rgba(255,255,255,.96);
  backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);
  border-top:1px solid var(--line);
  box-sizing:content-box;
}
.mobile-bar .btn{flex:1 1 auto;padding:11px 14px;font-size:14.5px;}
@media (min-width:768px){.mobile-bar{display:none;}}
@media (max-width:767px){
  body{padding-bottom:calc(56px + env(safe-area-inset-bottom));}
}

/* ============ 动效 ============ */
.reveal{opacity:0;transform:translateY(16px);transition:opacity .4s ease,transform .4s ease;}
.reveal.is-in{opacity:1;transform:translateY(0);}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation:none!important;transition:none!important;}
  .reveal{opacity:1;transform:none;}
  html{scroll-behavior:auto;}
}

/* ============ 响应式微调 ============ */
@media (max-width:1023px){
  .hero-stats{gap:24px;}
  .news-row{gap:14px;}
}
@media (max-width:767px){
  body{font-size:16px;}
  .hero h1{font-size:clamp(30px,8vw,38px);}
  .hero-actions .btn{flex:1 1 auto;}
  .section-head{margin-bottom:26px;}
  .pick{padding:20px;gap:14px;}
  .pick-thumb{width:60px;height:60px;}
  .pick-arrow{display:none;}
  .review{width:264px;padding:20px;}
  .clip{width:172px;}
  .news-title{font-size:17px;}
  .news-arrow{display:none;}
  .footer-desc{max-width:none;}
}
@media (max-width:479px){
  .logo-sub{display:none;}
  .hero-stats{gap:18px;}
  .stat-num{font-size:28px;}
}

/* roulang page: article */
:root{
  --brand:#0FCB8A;
  --brand-dark:#0AA16C;
  --brand-soft:rgba(15,203,138,.10);
  --accent:#FF5B2E;
  --accent-dark:#E24A20;
  --ink:#0D0F0E;
  --ink-2:#16191A;
  --bg:#F5F6F4;
  --card:#FFFFFF;
  --line:#E3E6E2;
  --line-deep:rgba(255,255,255,.10);
  --text:#1B1F1D;
  --text-2:#5C6560;
  --text-3:#8A938D;
  --deep-text:#E8EBE9;
  --deep-text-2:#9AA39E;
  --yellow:#FFD84D;
  --r-card:16px;
  --r-btn:12px;
  --r-img:14px;
  --shadow-1:0 1px 2px rgba(13,15,14,.05);
  --shadow-2:0 12px 28px rgba(13,15,14,.10);
  --sp-1:8px;--sp-2:12px;--sp-3:16px;--sp-4:24px;--sp-5:32px;
  --dur:.2s;
  --font-cn:"PingFang SC","HarmonyOS Sans SC","Noto Sans SC","Microsoft YaHei",system-ui,sans-serif;
  --font-num:"Oswald","Barlow Condensed","Arial Narrow",var(--font-cn);
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;background:var(--bg);color:var(--text);
  font-family:var(--font-cn);font-size:16px;line-height:1.7;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;height:auto;display:block;border-radius:var(--r-img)}
a{color:var(--text);text-decoration:none;transition:color var(--dur),border-color var(--dur),background-color var(--dur)}
a:hover{color:var(--brand-dark)}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4{margin:0;font-weight:700;line-height:1.25;letter-spacing:-.01em}
p{margin:0}
button{font:inherit}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:6px}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap;border:0}

.container{width:100%;max-width:1200px;margin:0 auto;padding-left:20px;padding-right:20px}
@media (min-width:768px){.container{padding-left:32px;padding-right:32px}}
@media (min-width:1280px){.container{padding-left:40px;padding-right:40px;max-width:1280px}}

/* ============ Header / Nav ============ */
.site-header{position:sticky;top:0;z-index:60;background:rgba(255,255,255,.94);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);border-bottom:1px solid transparent;transition:box-shadow .25s ease,border-color .25s ease}
.site-header.is-stuck{border-bottom-color:var(--line);box-shadow:0 6px 20px rgba(13,15,14,.06)}
.brandbar-inner{display:flex;align-items:center;gap:20px;min-height:56px}
.logo{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.logo-mark{width:32px;height:32px;border-radius:9px;background:var(--brand);color:#062E20;font-family:var(--font-num);font-size:15px;font-weight:600;display:flex;align-items:center;justify-content:center;letter-spacing:.02em}
.logo-text{display:flex;flex-direction:column;line-height:1.15}
.logo-main{font-size:15px;font-weight:800;letter-spacing:-.02em;color:var(--text)}
.logo-sub{font-size:11px;color:var(--text-3);font-weight:500;letter-spacing:.12em}
.nav-search{display:flex;align-items:center;gap:8px;flex:1 1 auto;max-width:420px;height:38px;padding:0 5px 0 12px;background:#F1F3F0;border:1px solid var(--line);border-radius:12px;transition:border-color var(--dur),box-shadow var(--dur),background-color var(--dur)}
.nav-search i{color:var(--text-3);font-size:13px}
.nav-search input{flex:1 1 auto;min-width:0;height:100%;border:0;background:transparent;font-size:14px;color:var(--text);outline:none}
.nav-search input::placeholder{color:var(--text-3)}
.nav-search:focus-within{border-color:var(--brand);background:#fff;box-shadow:0 0 0 3px rgba(15,203,138,.16)}
.nav-search button{height:28px;padding:0 12px;border:0;border-radius:9px;background:var(--ink);color:#fff;font-size:13px;font-weight:600;cursor:pointer;transition:background-color var(--dur),transform var(--dur)}
.nav-search button:hover{background:var(--brand-dark)}
.brandbar-actions{display:flex;align-items:center;gap:10px;margin-left:auto}
.nav-toggle{display:none;width:38px;height:38px;border:1px solid var(--line);border-radius:11px;background:#fff;color:var(--text);cursor:pointer;font-size:15px;transition:border-color var(--dur),color var(--dur)}
.nav-toggle:hover{border-color:var(--brand);color:var(--brand-dark)}
.channelbar{border-top:1px solid var(--line);background:rgba(255,255,255,.9)}
.channelbar-inner{display:flex;align-items:center;gap:24px;min-height:44px;transition:min-height .25s ease}
.site-header.is-stuck .channelbar-inner{min-height:38px}
.channel-list{display:flex;gap:20px;overflow-x:auto;scrollbar-width:none;-ms-overflow-style:none}
.channel-list::-webkit-scrollbar{display:none}
.channel-list a{position:relative;display:inline-block;padding:11px 0;font-size:14px;font-weight:600;color:var(--text-2);white-space:nowrap}
.channel-list a::after{content:"";position:absolute;left:0;right:0;bottom:6px;height:2px;border-radius:2px;background:var(--brand);transform:scaleX(0);transform-origin:left;transition:transform .22s ease}
.channel-list a:hover,.channel-list a.is-active{color:var(--text)}
.channel-list a:hover::after,.channel-list a.is-active::after{transform:scaleX(1)}
.trend-list{display:flex;gap:8px;margin-left:auto;overflow-x:auto;scrollbar-width:none}
.trend-list::-webkit-scrollbar{display:none}
.trend-list a{display:inline-block;padding:5px 12px;border-radius:999px;background:rgba(255,216,77,.18);color:var(--text);font-size:12.5px;font-weight:600;white-space:nowrap;transition:background-color var(--dur),color var(--dur)}
.trend-list a:hover{background:var(--accent);color:#fff}

/* Drawer */
.mobile-drawer{position:fixed;inset:0 0 0 auto;width:min(84vw,340px);background:#fff;z-index:90;transform:translateX(102%);transition:transform .28s ease;box-shadow:-12px 0 40px rgba(13,15,14,.16);display:flex;flex-direction:column;padding:20px;overflow-y:auto}
.mobile-drawer.is-open{transform:translateX(0)}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:20px}
.drawer-close{width:36px;height:36px;border:1px solid var(--line);border-radius:10px;background:#fff;cursor:pointer;color:var(--text)}
.drawer-title{font-size:12px;font-weight:700;letter-spacing:.14em;color:var(--text-3);margin:18px 0 10px}
.drawer-links li a{display:block;padding:11px 0;border-bottom:1px solid var(--line);font-size:15px;font-weight:600}
.drawer-links li a:hover{color:var(--brand-dark)}
.drawer-chips{display:flex;flex-wrap:wrap;gap:8px}
.drawer-cta{margin-top:24px}
.drawer-mask{position:fixed;inset:0;background:rgba(13,15,14,.45);opacity:0;visibility:hidden;transition:opacity .28s ease,visibility .28s ease;z-index:85}
.drawer-mask.is-open{opacity:1;visibility:visible}
body.drawer-open{overflow:hidden}

/* ============ Buttons ============ */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;height:48px;padding:0 22px;border-radius:var(--r-btn);border:1px solid transparent;font-size:15px;font-weight:700;cursor:pointer;white-space:nowrap;transition:background-color var(--dur),color var(--dur),border-color var(--dur),transform var(--dur),box-shadow var(--dur)}
.btn:active{transform:scale(.98)}
.btn-primary{background:var(--accent);color:#fff}
.btn-primary:hover{background:var(--accent-dark);color:#fff;transform:translateY(-1px)}
.btn-dark{background:var(--ink);color:#fff}
.btn-dark:hover{background:var(--ink-2);color:#fff;transform:translateY(-1px)}
.btn-ghost{background:transparent;color:var(--text);border-color:var(--line)}
.btn-ghost:hover{border-color:var(--brand);background:var(--brand-soft);color:var(--brand-dark)}
.btn-on-dark{background:transparent;color:var(--deep-text);border-color:var(--line-deep)}
.btn-on-dark:hover{border-color:var(--brand);color:var(--brand);background:rgba(15,203,138,.12)}
.btn-sm{height:36px;padding:0 14px;font-size:13.5px;border-radius:10px}

/* ============ Chips / Badges ============ */
.chip{display:inline-flex;align-items:center;gap:6px;padding:6px 12px;border-radius:999px;background:var(--brand-soft);color:var(--brand-dark);font-size:12.5px;font-weight:600;transition:background-color var(--dur),color var(--dur)}
.chip:hover{background:var(--brand);color:#fff}
.chip.is-active{background:var(--brand);color:#fff}
.badge{display:inline-flex;align-items:center;padding:3px 9px;border-radius:999px;font-size:12px;font-weight:700}
.badge-hot{background:var(--accent);color:#fff}
.badge-new{background:rgba(255,216,77,.85);color:#3A2E00}

/* ============ Article head ============ */
.crumbs{padding:20px 0 0}
.crumbs ol{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--text-3)}
.crumbs li{display:flex;align-items:center;gap:8px;min-width:0}
.crumbs li+li::before{content:"/";color:#C9CFCA}
.crumbs a{color:var(--text-2)}
.crumbs a:hover{color:var(--brand-dark)}
.crumbs li[aria-current]{color:var(--text);max-width:52vw;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}

.article-head{padding:18px 0 26px;border-bottom:1px solid var(--line)}
.article-head .chip{margin-bottom:14px}
.article-title{font-size:clamp(26px,4vw,40px);font-weight:800;line-height:1.18;letter-spacing:-.02em;max-width:900px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.article-summary{margin-top:14px;max-width:820px;color:var(--text-2);font-size:16px;line-height:1.8;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.article-meta{display:flex;flex-wrap:wrap;align-items:center;gap:14px;margin-top:20px;font-size:13px;color:var(--text-3)}
.article-meta .meta-item{display:inline-flex;align-items:center;gap:6px}
.article-meta .meta-item i{color:var(--brand-dark)}
.share-group{display:flex;align-items:center;gap:6px;margin-left:auto}
.share-btn{width:34px;height:34px;border-radius:50%;border:1px solid var(--line);background:#fff;color:var(--text-2);display:inline-flex;align-items:center;justify-content:center;cursor:pointer;font-size:14px;transition:color var(--dur),border-color var(--dur),background-color var(--dur)}
.share-btn:hover{color:var(--brand-dark);border-color:var(--brand);background:var(--brand-soft)}

/* ============ Article body ============ */
.article-main{padding:36px 0 clamp(56px,8vw,96px)}
.article-layout{align-items:flex-start}
.article-aside{display:none}
@media (min-width:1280px){
  .article-aside{display:block;padding-right:12px}
  .article-column{max-width:780px;margin:0 auto}
}
.toc-card{position:sticky;top:120px;background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);padding:18px 20px;box-shadow:var(--shadow-1)}
.toc-title{font-size:13px;font-weight:700;letter-spacing:.12em;color:var(--text-3);margin-bottom:12px}
.toc-card ul{display:flex;flex-direction:column;gap:2px;max-height:52vh;overflow-y:auto}
.toc-card a{display:block;padding:7px 10px;border-left:2px solid transparent;border-radius:0 8px 8px 0;font-size:13.5px;color:var(--text-2);line-height:1.5;transition:color var(--dur),background-color var(--dur),border-color var(--dur)}
.toc-card a:hover{color:var(--text);background:#FAFBF9}
.toc-card a.is-current{color:var(--brand-dark);border-left-color:var(--brand);background:var(--brand-soft);font-weight:600}

.article-content{font-size:16.5px;line-height:1.9;color:var(--text);word-wrap:break-word}
.article-content>*:first-child{margin-top:0}
.article-content p{margin:0 0 1.4em}
.article-content h2{position:relative;margin:2.2em 0 .8em;padding-left:16px;font-size:clamp(20px,2.4vw,26px);font-weight:700;line-height:1.35}
.article-content h2::before{content:"";position:absolute;left:0;top:.24em;width:4px;height:1em;border-radius:2px;background:var(--brand)}
.article-content h3{margin:1.8em 0 .6em;font-size:18px;font-weight:700;color:#0A7A52}
.article-content h4{margin:1.5em 0 .5em;font-size:16.5px;font-weight:700}
.article-content ul,.article-content ol{margin:0 0 1.4em;padding:0}
.article-content li{position:relative;padding-left:20px;margin-bottom:.55em}
.article-content li::before{content:"";position:absolute;left:4px;top:.74em;width:6px;height:6px;border-radius:2px;background:var(--brand)}
.article-content ol{counter-reset:li}
.article-content ol li{counter-increment:li}
.article-content ol li::before{content:counter(li);left:0;top:0;width:auto;height:auto;background:none;color:var(--brand-dark);font-family:var(--font-num);font-weight:600;font-size:14px}
.article-content blockquote{margin:1.6em 0;padding:14px 18px;border-left:3px solid var(--brand);background:#F0F7F4;color:var(--text-2);border-radius:0 12px 12px 0}
.article-content blockquote p:last-child{margin-bottom:0}
.article-content img{margin:1.4em 0 .6em;border-radius:var(--r-img)}
.article-content figure{margin:1.6em 0}
.article-content figcaption{margin-top:8px;text-align:center;font-size:13px;color:var(--text-3)}
.article-content a{color:var(--brand-dark);border-bottom:1px dashed rgba(15,203,138,.55)}
.article-content a:hover{border-bottom-style:solid;border-bottom-width:2px}
.article-content strong{font-weight:700}
.article-content hr{border:0;border-top:1px solid var(--line);margin:2.4em 0}
.article-content table{width:100%;border-collapse:collapse;margin:1.4em 0;font-size:15px;display:block;overflow-x:auto}
.article-content th,.article-content td{border:1px solid var(--line);padding:10px 12px;text-align:left}
.article-content thead th{background:#F5F7F4;font-weight:700}
.article-content tbody tr:nth-child(even){background:#FAFBF9}
.article-content pre{margin:1.4em 0;padding:16px;background:var(--ink-2);color:var(--deep-text);border-radius:12px;overflow-x:auto;font-size:14px;line-height:1.7}
.article-content pre code{background:none;color:inherit;padding:0}
.article-content code{font-family:ui-monospace,Menlo,Consolas,monospace;font-size:.92em;background:#EFF2EF;padding:2px 6px;border-radius:6px}

.empty-state{padding:56px 24px;text-align:center;background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);box-shadow:var(--shadow-1)}
.empty-state i{font-size:34px;color:var(--brand);margin-bottom:14px;display:block}
.empty-state h2{font-size:22px;margin-bottom:10px}
.empty-state p{color:var(--text-2);margin-bottom:22px}

/* ============ Article foot modules ============ */
.tag-row{display:flex;flex-wrap:wrap;align-items:center;gap:8px;margin-top:44px;padding-top:24px;border-top:1px solid var(--line)}
.tag-row .tag-label{font-size:13px;font-weight:700;color:var(--text-3);margin-right:4px}
.post-nav{margin-top:28px}
.post-nav-item{display:flex;flex-direction:column;gap:6px;height:100%;padding:18px 20px;background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);box-shadow:var(--shadow-1);transition:border-color var(--dur),box-shadow var(--dur),transform var(--dur)}
.post-nav-item:hover{border-color:var(--brand);box-shadow:var(--shadow-2);transform:translateY(-2px);color:var(--text)}
.post-nav-label{font-size:12.5px;font-weight:700;color:var(--brand-dark);display:inline-flex;align-items:center;gap:6px}
.post-nav-title{font-size:16px;font-weight:700;line-height:1.5}
.post-nav-item.is-next{text-align:right;align-items:flex-end}

.section-block{margin-top:clamp(44px,6vw,76px)}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:16px;margin-bottom:24px}
.section-head h2{font-size:clamp(20px,2.6vw,28px);font-weight:700;line-height:1.3}
.section-head .more-link{font-size:13.5px;font-weight:700;color:var(--brand-dark);display:inline-flex;align-items:center;gap:6px}
.section-head .more-link:hover{color:var(--accent-dark)}
.rec-grid{display:grid;grid-template-columns:1fr;gap:20px}
@media (min-width:768px){.rec-grid{grid-template-columns:repeat(3,1fr)}}
.rec-card{display:flex;flex-direction:column;background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);overflow:hidden;box-shadow:var(--shadow-1);transition:box-shadow var(--dur),transform var(--dur),border-color var(--dur)}
.rec-card:hover{box-shadow:var(--shadow-2);transform:translateY(-4px);border-color:#D6DCD6}
.rec-cover{aspect-ratio:16/10;width:100%;object-fit:cover;border-radius:0}
.rec-body{padding:18px 20px 22px;display:flex;flex-direction:column;gap:10px;flex:1}
.rec-body h3{font-size:16.5px;font-weight:700;line-height:1.5;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.rec-body p{font-size:14px;color:var(--text-2);line-height:1.7;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.rec-foot{margin-top:auto;display:flex;align-items:center;justify-content:space-between;font-size:12.5px;color:var(--text-3)}

.back-row{display:flex;flex-wrap:wrap;gap:12px;margin-top:36px}

/* ============ CTA band ============ */
.cta-band{margin-top:clamp(56px,8vw,96px);background:var(--ink);color:var(--deep-text);padding:clamp(44px,6vw,72px) 0;position:relative;overflow:hidden}
.cta-band::after{content:"";position:absolute;inset:0;background-image:url('/assets/images/backpic/back-2.webp');background-size:cover;background-position:center;opacity:.16;pointer-events:none}
.cta-inner{position:relative;z-index:1;display:grid;grid-template-columns:1fr;gap:28px;align-items:center}
@media (min-width:1024px){.cta-inner{grid-template-columns:1.1fr .9fr}}
.cta-band h2{font-size:clamp(24px,3.4vw,38px);font-weight:800;line-height:1.2;letter-spacing:-.02em;color:#fff}
.cta-band p{margin-top:12px;color:var(--deep-text-2);font-size:15.5px;max-width:520px}
.cta-form{display:flex;flex-wrap:wrap;gap:12px}
.cta-form input{flex:1 1 220px;height:48px;padding:0 16px;border-radius:var(--r-btn);border:1px solid var(--line-deep);background:rgba(255,255,255,.06);color:#fff;font-size:15px;outline:none;transition:border-color var(--dur),box-shadow var(--dur)}
.cta-form input::placeholder{color:var(--deep-text-2)}
.cta-form input:focus{border-color:var(--brand);box-shadow:0 0 0 3px rgba(15,203,138,.22)}
.cta-note{margin-top:14px;font-size:12.5px;color:var(--deep-text-2)}

/* ============ Footer ============ */
.site-footer{background:var(--ink);color:var(--deep-text-2);padding:clamp(48px,6vw,72px) 0 0}
.footer-grid{padding-bottom:40px}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px}
.footer-brand .logo-main{color:#fff}
.footer-brand .logo-sub{color:var(--deep-text-2)}
.footer-desc{font-size:14px;line-height:1.75;color:var(--deep-text-2);max-width:280px}
.footer-social{display:flex;gap:10px;margin-top:18px}
.footer-social a{width:36px;height:36px;border-radius:10px;border:1px solid var(--line-deep);display:inline-flex;align-items:center;justify-content:center;color:var(--deep-text-2);font-size:14px;transition:color var(--dur),border-color var(--dur),background-color var(--dur)}
.footer-social a:hover{color:var(--brand);border-color:var(--brand);background:rgba(15,203,138,.12)}
.footer-title{font-size:14px;font-weight:700;color:#fff;margin-bottom:16px;letter-spacing:.02em}
.footer-links li+li{margin-top:10px}
.footer-links a{font-size:14px;color:var(--deep-text-2)}
.footer-links a:hover{color:var(--brand)}
.footer-bottom{border-top:1px solid var(--line-deep);padding:20px 0;text-align:center;font-size:13px;color:var(--deep-text-2)}

/* ============ Mobile bottom bar ============ */
.mobile-bar{display:none}
@media (max-width:767px){
  .nav-search{display:none}
  .nav-toggle{display:inline-flex;align-items:center;justify-content:center}
  .trend-list{display:none}
  .brandbar-actions .btn-primary{display:none}
  .article-meta{gap:10px}
  .share-group{margin-left:0;width:100%}
  body{padding-bottom:76px}
  .mobile-bar{
    position:fixed;left:0;right:0;bottom:0;z-index:70;display:flex;gap:10px;
    padding:10px 16px calc(10px + env(safe-area-inset-bottom));
    background:rgba(255,255,255,.96);backdrop-filter:blur(12px);
    border-top:1px solid var(--line);
  }
  .mobile-bar .btn{flex:1}
}
@media (max-width:767px){
  .article-title{-webkit-line-clamp:3}
  .section-head{flex-direction:column;align-items:flex-start;gap:10px}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none!important;transition:none!important;scroll-behavior:auto!important}
  .reveal{opacity:1!important;transform:none!important}
}
.reveal{opacity:0;transform:translateY(16px);transition:opacity .4s ease,transform .4s ease}
.reveal.is-in{opacity:1;transform:none}

/* roulang page: category1 */
:root{
  --brand:#0FCB8A;
  --brand-dark:#0AA16C;
  --brand-tint:rgba(15,203,138,.10);
  --accent:#FF5B2E;
  --accent-dark:#E24A20;
  --ink:#0D0F0E;
  --ink-2:#16191A;
  --bg:#F5F6F4;
  --surface:#FFFFFF;
  --line:#E3E6E2;
  --text:#1B1F1D;
  --text-2:#5C6560;
  --text-3:#8A938D;
  --on-dark:#E8EBE9;
  --on-dark-2:#9AA39E;
  --yellow:#FFD84D;
  --r-card:16px;
  --r-btn:12px;
  --r-img:14px;
  --shadow:0 1px 2px rgba(13,15,14,.05);
  --shadow-hover:0 12px 28px rgba(13,15,14,.10);
  --s1:8px; --s2:12px; --s3:16px; --s4:24px; --s5:32px;
  --font-cn:"PingFang SC","HarmonyOS Sans SC","Noto Sans SC","Microsoft YaHei",system-ui,sans-serif;
  --font-num:"Oswald","Barlow Condensed","Arial Narrow",system-ui,sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:var(--font-cn);
  font-size:16.5px;
  line-height:1.85;
  font-weight:400;
  padding-bottom:0;
}
body.drawer-open{overflow:hidden;}
img{max-width:100%;height:auto;display:block;}
a{color:var(--brand-dark);text-decoration:none;transition:color .18s ease;}
a:hover{color:var(--brand);}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4,p{margin:0;}
button{font-family:inherit;}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:4px;}

.container{
  width:100%;
  max-width:1200px;
  margin:0 auto;
  padding-left:20px;
  padding-right:20px;
}
@media (min-width:768px){ .container{padding-left:32px;padding-right:32px;} }
@media (min-width:1280px){ .container{max-width:1280px;padding-left:40px;padding-right:40px;} }

/* ============ 通用按钮 / 标签 ============ */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  height:48px;
  padding:0 24px;
  border-radius:var(--r-btn);
  border:1px solid transparent;
  font-size:15px;
  font-weight:700;
  letter-spacing:.01em;
  cursor:pointer;
  transition:transform .16s ease,background-color .18s ease,border-color .18s ease,color .18s ease,box-shadow .18s ease;
  white-space:nowrap;
}
.btn-sm{height:38px;padding:0 16px;font-size:14px;border-radius:10px;}
.btn-primary{background:var(--accent);color:#fff;}
.btn-primary:hover{background:var(--accent-dark);color:#fff;transform:translateY(-1px);box-shadow:0 8px 18px rgba(226,74,32,.22);}
.btn-primary:active{transform:scale(.98);}
.btn-ghost{background:transparent;border-color:var(--line);color:var(--text);}
.btn-ghost:hover{background:var(--brand-tint);border-color:var(--brand);color:var(--brand-dark);transform:translateY(-1px);}
.btn-outline-light{background:transparent;border-color:rgba(255,255,255,.28);color:var(--on-dark);}
.btn-outline-light:hover{background:rgba(255,255,255,.10);border-color:var(--brand);color:#fff;}
.btn-brand{background:var(--brand);color:#04231A;}
.btn-brand:hover{background:var(--brand-dark);color:#fff;transform:translateY(-1px);}

.chip{
  display:inline-flex;
  align-items:center;
  gap:6px;
  padding:6px 14px;
  border-radius:999px;
  font-size:13px;
  font-weight:600;
  background:var(--brand-tint);
  color:var(--brand-dark);
  border:1px solid transparent;
  cursor:pointer;
  transition:background-color .18s ease,color .18s ease,transform .18s ease;
  white-space:nowrap;
}
.chip:hover{background:rgba(15,203,138,.18);}
.chip.is-active{background:var(--brand);color:#04231A;border-color:var(--brand);}
.chip-label{background:rgba(13,15,14,.05);color:var(--text-2);cursor:default;}
.chip-label:hover{background:rgba(13,15,14,.05);}
.badge{
  display:inline-block;
  padding:4px 10px;
  border-radius:6px;
  font-size:12px;
  font-weight:700;
  background:var(--yellow);
  color:#1B1F1D;
}
.badge-soft{background:rgba(15,203,138,.14);color:var(--brand-dark);}

/* ============ 顶部导航 ============ */
.site-header{
  position:sticky;
  top:0;
  z-index:60;
  background:rgba(255,255,255,.96);
  border-bottom:1px solid transparent;
  transition:background-color .2s ease,border-color .2s ease,box-shadow .2s ease;
}
.site-header.is-stuck{
  background:rgba(255,255,255,.92);
  -webkit-backdrop-filter:blur(12px);
  backdrop-filter:blur(12px);
  border-bottom-color:var(--line);
  box-shadow:0 6px 18px rgba(13,15,14,.05);
}
.brandbar-inner{
  display:flex;
  align-items:center;
  gap:20px;
  height:56px;
}
.logo{display:flex;align-items:center;gap:10px;flex:0 0 auto;color:var(--text);}
.logo:hover{color:var(--text);}
.logo-mark{
  width:32px;height:32px;
  border-radius:9px;
  background:linear-gradient(135deg,var(--brand) 0%,var(--brand-dark) 100%);
  color:#04231A;
  font-family:var(--font-num);
  font-size:15px;
  font-weight:700;
  letter-spacing:.02em;
  display:flex;align-items:center;justify-content:center;
}
.logo-text{display:flex;flex-direction:column;line-height:1.05;}
.logo-main{font-size:16px;font-weight:800;letter-spacing:-.01em;}
.logo-sub{font-size:11px;font-weight:600;color:var(--text-3);letter-spacing:.14em;}
.nav-search{
  display:none;
  align-items:center;
  gap:10px;
  flex:1 1 auto;
  max-width:420px;
  height:38px;
  padding:0 6px 0 14px;
  border:1px solid var(--line);
  border-radius:12px;
  background:#fff;
  transition:border-color .18s ease,box-shadow .18s ease;
}
.nav-search:focus-within{border-color:var(--brand);box-shadow:0 0 0 3px rgba(15,203,138,.18);}
.nav-search i{color:var(--text-3);font-size:14px;}
.nav-search input{
  flex:1 1 auto;
  border:0;
  outline:none;
  background:transparent;
  font-size:14px;
  height:100%;
  color:var(--text);
}
.nav-search button{
  height:30px;
  padding:0 14px;
  border:0;
  border-radius:8px;
  background:var(--brand-tint);
  color:var(--brand-dark);
  font-size:13px;
  font-weight:700;
  cursor:pointer;
  transition:background-color .18s ease,color .18s ease;
}
.nav-search button:hover{background:var(--brand);color:#04231A;}
.brandbar-actions{margin-left:auto;display:flex;align-items:center;gap:10px;}
.nav-toggle{
  width:40px;height:40px;
  display:inline-flex;align-items:center;justify-content:center;
  border:1px solid var(--line);
  border-radius:10px;
  background:#fff;
  color:var(--text);
  cursor:pointer;
  transition:border-color .18s ease,background-color .18s ease;
}
.nav-toggle:hover{border-color:var(--brand);background:var(--brand-tint);color:var(--brand-dark);}
.channelbar{border-top:1px solid var(--line);}
.channelbar-inner{
  display:flex;
  align-items:center;
  gap:20px;
  height:44px;
  overflow-x:auto;
  scrollbar-width:none;
  transition:height .2s ease;
}
.channelbar-inner::-webkit-scrollbar{display:none;}
.site-header.is-stuck .channelbar-inner{height:38px;}
.channel-list{display:flex;align-items:center;gap:6px;flex:0 0 auto;}
.channel-list a{
  display:block;
  padding:6px 12px;
  border-radius:8px;
  font-size:14.5px;
  font-weight:600;
  color:var(--text-2);
  position:relative;
  white-space:nowrap;
}
.channel-list a::after{
  content:"";
  position:absolute;
  left:12px;right:12px;bottom:2px;
  height:2px;
  border-radius:2px;
  background:transparent;
  transition:background-color .18s ease;
}
.channel-list a:hover{color:var(--text);background:#F7F9F7;}
.channel-list a:hover::after{background:var(--brand);}
.channel-list a.is-active{color:var(--brand-dark);background:var(--brand-tint);}
.channel-list a.is-active::after{background:var(--brand);}
.trend-list{
  display:flex;
  align-items:center;
  gap:8px;
  margin-left:auto;
  flex:0 0 auto;
  padding-left:16px;
}
.trend-list a{
  display:inline-block;
  padding:4px 12px;
  border-radius:999px;
  font-size:12.5px;
  font-weight:600;
  color:#1B1F1D;
  background:rgba(255,216,77,.18);
  transition:background-color .18s ease,color .18s ease;
  white-space:nowrap;
}
.trend-list a:hover{background:rgba(255,91,46,.16);color:var(--accent-dark);}
@media (min-width:1024px){
  .nav-search{display:flex;}
  .nav-toggle{display:none;}
}
@media (max-width:640px){
  .trend-list{display:none;}
  .brandbar-actions .btn{display:none;}
}

/* 移动端抽屉 */
.mobile-drawer{
  position:fixed;
  top:0;right:0;
  width:min(320px,86vw);
  height:100%;
  background:#fff;
  z-index:100;
  transform:translateX(100%);
  transition:transform .26s ease;
  box-shadow:-16px 0 40px rgba(13,15,14,.14);
  padding:20px;
  overflow-y:auto;
}
.mobile-drawer.is-open{transform:translateX(0);}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:18px;}
.drawer-close{
  width:36px;height:36px;border-radius:10px;border:1px solid var(--line);background:#fff;cursor:pointer;color:var(--text);
}
.drawer-title{font-size:13px;font-weight:700;color:var(--text-3);letter-spacing:.12em;margin:18px 0 10px;}
.drawer-nav a{
  display:flex;align-items:center;justify-content:space-between;
  padding:12px 14px;
  border-radius:12px;
  color:var(--text);
  font-size:15px;
  font-weight:600;
  border:1px solid var(--line);
  margin-bottom:8px;
}
.drawer-nav a:hover{background:var(--brand-tint);border-color:var(--brand);color:var(--brand-dark);}
.drawer-nav a i{color:var(--text-3);font-size:13px;}
.drawer-tags{display:flex;flex-wrap:wrap;gap:8px;}
.drawer-backdrop{
  position:fixed;inset:0;background:rgba(13,15,14,.42);z-index:99;opacity:0;pointer-events:none;transition:opacity .26s ease;
}
.drawer-backdrop.is-open{opacity:1;pointer-events:auto;}

/* ============ 页头 Banner ============ */
.page-hero{
  position:relative;
  background:var(--ink);
  color:var(--on-dark);
  overflow:hidden;
  padding:clamp(40px,6vw,72px) 0 clamp(44px,6vw,80px);
}
.page-hero::before{
  content:"";
  position:absolute;inset:0;
  background-image:url('/assets/images/backpic/back-2.webp');
  background-size:cover;
  background-position:center;
  opacity:.22;
}
.page-hero::after{
  content:"";
  position:absolute;inset:0;
  background-image:linear-gradient(rgba(255,255,255,.035) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.035) 1px,transparent 1px);
  background-size:56px 56px;
  opacity:.9;
}
.page-hero .container{position:relative;z-index:2;}
.breadcrumbs{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px;
  font-size:13px;color:var(--on-dark-2);
  margin-bottom:20px;
}
.breadcrumbs a{color:var(--on-dark-2);}
.breadcrumbs a:hover{color:var(--brand);}
.breadcrumbs span{color:rgba(255,255,255,.28);}
.page-hero h1{
  font-size:clamp(30px,4.6vw,52px);
  line-height:1.12;
  font-weight:800;
  letter-spacing:-.02em;
  color:#fff;
  max-width:20em;
}
.page-hero .lede{
  margin-top:18px;
  max-width:640px;
  font-size:16.5px;
  line-height:1.85;
  color:var(--on-dark-2);
}
.hero-meta{
  display:flex;flex-wrap:wrap;gap:10px;
  margin-bottom:22px;
}
.hero-stats{
  display:flex;flex-wrap:wrap;
  gap:clamp(20px,4vw,56px);
  margin-top:36px;
  padding-top:26px;
  border-top:1px solid rgba(255,255,255,.10);
}
.hero-stat strong{
  display:block;
  font-family:var(--font-num);
  font-size:clamp(26px,3vw,38px);
  font-weight:700;
  color:#fff;
  font-variant-numeric:tabular-nums;
  line-height:1.1;
}
.hero-stat strong em{font-style:normal;font-size:.5em;color:var(--brand);margin-left:4px;}
.hero-stat span{font-size:13px;color:var(--on-dark-2);}

/* ============ 板块通用 ============ */
.section{padding:clamp(56px,8vw,112px) 0;}
.section-alt{background:#fff;}
.section-head{
  display:flex;
  align-items:flex-end;
  justify-content:space-between;
  gap:20px;
  margin-bottom:clamp(28px,4vw,44px);
}
.section-head h2{
  font-size:clamp(24px,3vw,36px);
  line-height:1.2;
  font-weight:700;
  letter-spacing:-.01em;
}
.section-head p{margin-top:10px;color:var(--text-2);max-width:640px;font-size:15.5px;}
.section-link{
  flex:0 0 auto;
  font-size:14.5px;
  font-weight:700;
  color:var(--brand-dark);
  display:inline-flex;align-items:center;gap:8px;
}
.section-link:hover{gap:12px;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12.5px;font-weight:700;letter-spacing:.14em;
  color:var(--brand-dark);
  text-transform:uppercase;
  margin-bottom:14px;
}

/* ============ 筛选条 ============ */
.filter-bar{
  display:flex;
  gap:10px;
  overflow-x:auto;
  padding:4px 0 18px;
  scrollbar-width:none;
}
.filter-bar::-webkit-scrollbar{display:none;}
.filter-note{
  display:flex;align-items:center;gap:8px;
  font-size:13px;color:var(--text-3);
  margin-bottom:22px;
}
.filter-note i{color:var(--brand);}

/* ============ 卡片网格 ============ */
.entry-card{
  height:100%;
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  overflow:hidden;
  display:flex;
  flex-direction:column;
  box-shadow:var(--shadow);
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.entry-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);border-color:rgba(15,203,138,.4);}
.entry-card.is-hidden{display:none;}
.entry-thumb{
  position:relative;
  aspect-ratio:16/10;
  overflow:hidden;
  background:#EDEFEC;
}
.entry-thumb img{
  width:100%;height:100%;
  object-fit:cover;
  object-position:center;
  transition:transform .3s ease;
}
.entry-card:hover .entry-thumb img{transform:scale(1.04);}
.entry-thumb .thumb-tag{
  position:absolute;left:14px;top:14px;
}
.entry-body{
  padding:22px;
  display:flex;
  flex-direction:column;
  gap:12px;
  flex:1 1 auto;
}
.entry-body h3{
  font-size:19px;
  line-height:1.4;
  font-weight:700;
}
.entry-body p{font-size:15px;color:var(--text-2);line-height:1.8;}
.point-list{display:flex;flex-direction:column;gap:8px;margin-top:2px;}
.point-list li{
  position:relative;
  padding-left:18px;
  font-size:14px;
  color:var(--text-2);
  line-height:1.75;
}
.point-list li::before{
  content:"";
  position:absolute;
  left:0;top:10px;
  width:7px;height:7px;
  border-radius:2px;
  background:var(--brand);
}
.entry-foot{
  margin-top:auto;
  padding-top:12px;
  border-top:1px dashed var(--line);
  display:flex;align-items:center;justify-content:space-between;
  font-size:13.5px;
  color:var(--text-3);
}
.entry-foot a{
  font-weight:700;
  color:var(--brand-dark);
  display:inline-flex;align-items:center;gap:6px;
}
.entry-foot a:hover{gap:10px;}
.grid-gap{margin-bottom:24px;}

/* ============ 四步流程 ============ */
.steps{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:24px;
}
.step{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  padding:26px 22px;
  position:relative;
  box-shadow:var(--shadow);
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.step:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);border-color:rgba(15,203,138,.35);}
.step-num{
  font-family:var(--font-num);
  font-size:40px;
  font-weight:700;
  line-height:1;
  color:rgba(15,203,138,.35);
  font-variant-numeric:tabular-nums;
  display:block;
  margin-bottom:12px;
}
.step h3{font-size:18px;font-weight:700;margin-bottom:8px;}
.step p{font-size:14.5px;color:var(--text-2);line-height:1.8;}
.step::after{
  content:"";
  position:absolute;
  right:-14px;top:50%;
  width:auto;
  height:0;
}
@media (min-width:1024px){
  .step:not(:last-child)::before{
    content:"";
    position:absolute;
    right:-14px;top:50%;
    width:7px;height:7px;
    border-top:2px solid var(--line);
    border-right:2px solid var(--line);
    transform:rotate(45deg) translateY(-50%);
  }
}

/* ============ 环境对照表 ============ */
.table-wrap{
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--r-card);
  overflow:hidden;
  box-shadow:var(--shadow);
}
table.env-table{width:100%;border-collapse:collapse;margin:0;}
.env-table th,.env-table td{
  padding:18px 22px;
  text-align:left;
  font-size:15px;
  border-bottom:1px solid var(--line);
  vertical-align:top;
}
.env-table thead th{
  background:#F0F7F4;
  font-size:13px;
  font-weight:700;
  letter-spacing:.08em;
  color:var(--text-2);
  white-space:nowrap;
}
.env-table tbody tr:nth-child(even){background:#FAFBF9;}
.env-table tbody tr:last-child td{border-bottom:0;}
.env-table td:first-child{font-weight:700;color:var(--text);white-space:nowrap;}
.env-table td{color:var(--text-2);}

/* ============ FAQ ============ */
.faq-accordion{
  background:transparent;
  border:0;
  margin:0;
}
.faq-accordion .accordion-item{
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--r-card);
  margin-bottom:12px;
  overflow:hidden;
  box-shadow:var(--shadow);
  transition:border-color .2s ease;
}
.faq-accordion .accordion-item:hover{border-color:rgba(15,203,138,.4);}
.faq-accordion .accordion-title{
  position:relative;
  display:block;
  padding:20px 60px 20px 24px;
  border:0;
  background:transparent;
  font-size:17px;
  font-weight:700;
  color:var(--text);
  line-height:1.55;
}
.faq-accordion .accordion-title::before{display:none;}
.faq-accordion .accordion-title::after{
  content:"+";
  position:absolute;
  right:22px;top:50%;
  transform:translateY(-50%);
  font-size:22px;
  font-weight:400;
  color:var(--brand);
  line-height:1;
  transition:transform .22s ease;
}
.faq-accordion .accordion-title.is-active{color:var(--brand-dark);}
.faq-accordion .accordion-title.is-active::after{transform:translateY(-50%) rotate(45deg);}
.faq-accordion .accordion-content{
  padding:0 24px 22px;
  border:0;
  background:transparent;
  color:var(--text-2);
  font-size:15.5px;
  line-height:1.85;
}
.faq-accordion .accordion-content p{margin:0;}
.faq-accordion .accordion-content p + p{margin-top:10px;}

/* ============ CTA 带 ============ */
.cta-band{
  background:var(--ink);
  color:var(--on-dark);
  position:relative;
  overflow:hidden;
  padding:clamp(48px,7vw,88px) 0;
}
.cta-band::before{
  content:"";
  position:absolute;inset:0;
  background-image:url('/assets/images/backpic/back-3.png');
  background-size:cover;background-position:center;
  opacity:.16;
}
.cta-band .container{position:relative;z-index:2;}
.cta-grid{
  display:grid;
  grid-template-columns:1.15fr .85fr;
  gap:clamp(24px,4vw,56px);
  align-items:center;
}
.cta-band h2{
  font-size:clamp(24px,3.2vw,36px);
  line-height:1.2;
  font-weight:700;
  color:#fff;
}
.cta-band p{margin-top:14px;color:var(--on-dark-2);font-size:15.5px;max-width:520px;}
.cta-form{
  background:rgba(255,255,255,.05);
  border:1px solid rgba(255,255,255,.10);
  border-radius:var(--r-card);
  padding:24px;
}
.cta-form label{
  display:block;
  font-size:14px;
  font-weight:700;
  color:var(--on-dark);
  margin-bottom:8px;
}
.field-row{display:flex;gap:12px;}
.field-row input{
  flex:1 1 auto;
  height:48px;
  padding:0 16px;
  border-radius:12px;
  border:1px solid rgba(255,255,255,.16);
  background:rgba(255,255,255,.06);
  color:#fff;
  font-size:15px;
  outline:none;
  transition:border-color .18s ease,box-shadow .18s ease;
}
.field-row input::placeholder{color:rgba(232,235,233,.45);}
.field-row input:focus{border-color:var(--brand);box-shadow:0 0 0 3px rgba(15,203,138,.20);}
.cta-hint{margin-top:12px;font-size:13px;color:var(--on-dark-2);display:flex;align-items:center;gap:8px;}
.cta-hint i{color:var(--brand);}

/* ============ 页脚 ============ */
.site-footer{
  background:var(--ink);
  color:var(--on-dark-2);
  padding:clamp(48px,6vw,72px) 0 0;
  border-top:1px solid rgba(255,255,255,.10);
}
.footer-grid{padding-bottom:44px;}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px;}
.footer-brand .logo-main{color:#fff;}
.footer-brand .logo-sub{color:var(--on-dark-2);}
.footer-desc{font-size:14.5px;line-height:1.8;color:var(--on-dark-2);max-width:280px;}
.footer-social{display:flex;gap:10px;margin-top:18px;}
.footer-social a{
  width:38px;height:38px;
  display:inline-flex;align-items:center;justify-content:center;
  border-radius:10px;
  border:1px solid rgba(255,255,255,.12);
  color:var(--on-dark-2);
  transition:border-color .18s ease,color .18s ease,background-color .18s ease;
}
.footer-social a:hover{border-color:var(--brand);color:var(--brand);background:rgba(15,203,138,.10);}
.footer-title{font-size:15px;font-weight:700;color:#fff;margin-bottom:16px;}
.footer-links li{margin-bottom:10px;}
.footer-links a{font-size:14.5px;color:var(--on-dark-2);}
.footer-links a:hover{color:var(--brand);}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.10);
  padding:20px 0;
  text-align:center;
  font-size:13px;
  color:var(--on-dark-2);
}

/* ============ 移动端底部条 ============ */
.mobile-bar{
  position:fixed;
  left:0;right:0;bottom:0;
  z-index:80;
  display:none;
  align-items:center;
  gap:12px;
  height:56px;
  padding:0 16px calc(0px + env(safe-area-inset-bottom));
  background:rgba(255,255,255,.96);
  -webkit-backdrop-filter:blur(12px);
  backdrop-filter:blur(12px);
  border-top:1px solid var(--line);
}
.mobile-bar .btn{flex:1 1 auto;height:40px;font-size:14px;}

/* ============ 动效 ============ */
.reveal{opacity:0;transform:translateY(16px);transition:opacity .4s ease,transform .4s ease;}
.reveal.is-in{opacity:1;transform:none;}

/* ============ 响应式 ============ */
@media (max-width:1279px){
  .steps{grid-template-columns:repeat(2,1fr);}
}
@media (max-width:1023px){
  .cta-grid{grid-template-columns:1fr;}
  .env-table thead th,.env-table td{padding:14px 16px;font-size:14px;}
}
@media (max-width:767px){
  body{font-size:16px;}
  .section{padding:56px 0;}
  .steps{grid-template-columns:1fr;}
  .section-head{flex-direction:column;align-items:flex-start;gap:12px;}
  .page-hero h1{font-size:30px;}
  .entry-body{padding:18px;}
  .table-wrap{overflow-x:auto;}
  .env-table{min-width:560px;}
  .mobile-bar{display:flex;}
  body{padding-bottom:56px;}
  .field-row{flex-direction:column;}
  .field-row .btn{width:100%;}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{transition:none !important;animation:none !important;}
  .reveal{opacity:1;transform:none;}
}

/* roulang page: category2 */
:root{
  --brand:#0FCB8A;
  --brand-dark:#0AA16C;
  --brand-soft:rgba(15,203,138,.10);
  --action:#FF5B2E;
  --action-dark:#E24A20;
  --ink:#0D0F0E;
  --ink-2:#16191A;
  --page:#F5F6F4;
  --card:#FFFFFF;
  --line:#E3E6E2;
  --line-soft:rgba(255,255,255,.10);
  --text:#1B1F1D;
  --text-2:#5C6560;
  --text-3:#8A938D;
  --text-on-dark:#E8EBE9;
  --text-on-dark-2:#9AA39E;
  --accent:#FFD84D;
  --r-card:16px;
  --r-video:18px;
  --r-btn:12px;
  --r-pill:999px;
  --r-img:14px;
  --sh-1:0 1px 2px rgba(13,15,14,.05);
  --sh-2:0 12px 28px rgba(13,15,14,.10);
  --sp-1:8px; --sp-2:12px; --sp-3:16px; --sp-4:24px; --sp-5:32px;
  --font:"PingFang SC","HarmonyOS Sans SC","Noto Sans SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  --font-num:"Barlow Condensed","Oswald","PingFang SC","Microsoft YaHei",system-ui,sans-serif;
}

*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--font);
  font-size:16px;
  line-height:1.85;
  color:var(--text);
  background:var(--page);
  padding-bottom:0;
}
img{max-width:100%;height:auto;display:block;}
a{color:inherit;text-decoration:none;transition:color .18s ease,background-color .18s ease,border-color .18s ease;}
a:focus-visible,
button:focus-visible,
input:focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:6px;}
button{font-family:inherit;}
ul{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4{margin:0;color:var(--text);}
p{margin:0;}
table{border-collapse:collapse;}

.container{
  width:100%;
  max-width:1200px;
  margin:0 auto;
  padding-left:20px;
  padding-right:20px;
}
@media (min-width:768px){ .container{padding-left:32px;padding-right:32px;} }
@media (min-width:1280px){ .container{max-width:1280px;padding-left:40px;padding-right:40px;} }

/* ---------- header ---------- */
.site-header{
  position:sticky;
  top:0;
  z-index:60;
  background:rgba(255,255,255,.94);
  backdrop-filter:blur(12px);
  -webkit-backdrop-filter:blur(12px);
  border-bottom:1px solid transparent;
  transition:border-color .2s ease,box-shadow .2s ease;
}
.site-header.is-stuck{
  border-bottom-color:var(--line);
  box-shadow:0 6px 18px rgba(13,15,14,.06);
}
.brandbar{border-bottom:1px solid var(--line);}
.brandbar-inner{
  display:flex;
  align-items:center;
  gap:var(--sp-4);
  min-height:56px;
}
.site-header.is-stuck .brandbar-inner{min-height:54px;}
.logo{display:flex;align-items:center;gap:10px;flex:0 0 auto;}
.logo-mark{
  width:36px;height:36px;
  border-radius:11px;
  display:flex;align-items:center;justify-content:center;
  background:var(--ink);
  color:var(--brand);
  font-family:var(--font-num);
  font-weight:700;
  font-size:16px;
  letter-spacing:.04em;
}
.logo-text{display:flex;flex-direction:column;line-height:1.05;}
.logo-main{font-size:16px;font-weight:800;letter-spacing:-.01em;color:var(--text);}
.logo-sub{font-size:11px;color:var(--brand-dark);font-weight:600;letter-spacing:.14em;}
.nav-search{
  flex:1 1 auto;
  max-width:420px;
  display:none;
  align-items:center;
  gap:8px;
  height:40px;
  padding:0 6px 0 14px;
  border:1px solid var(--line);
  border-radius:var(--r-btn);
  background:#fff;
  transition:border-color .18s ease,box-shadow .18s ease;
}
@media (min-width:900px){ .nav-search{display:flex;} }
.nav-search:focus-within{border-color:var(--brand);box-shadow:0 0 0 3px rgba(15,203,138,.18);}
.nav-search i{color:var(--text-3);font-size:14px;}
.nav-search input{
  flex:1 1 auto;
  border:none;
  background:transparent;
  font-size:14px;
  color:var(--text);
  height:100%;
  outline:none;
}
.nav-search input::placeholder{color:var(--text-3);}
.nav-search button{
  border:none;
  background:var(--brand-soft);
  color:var(--brand-dark);
  font-size:13px;
  font-weight:700;
  height:30px;
  padding:0 14px;
  border-radius:9px;
  cursor:pointer;
  transition:background-color .18s ease,color .18s ease;
}
.nav-search button:hover{background:var(--brand);color:#fff;}
.brandbar-actions{margin-left:auto;display:flex;align-items:center;gap:10px;}
.nav-toggle{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  width:42px;height:42px;
  border:1px solid var(--line);
  background:#fff;
  border-radius:12px;
  color:var(--text);
  font-size:17px;
  cursor:pointer;
}
.nav-toggle:hover{border-color:var(--brand);color:var(--brand-dark);}
@media (min-width:900px){ .nav-toggle{display:none;} }

.channelbar{border-bottom:1px solid var(--line);background:rgba(255,255,255,.86);}
.channelbar-inner{
  display:flex;
  align-items:center;
  gap:var(--sp-4);
  min-height:44px;
  transition:min-height .2s ease;
}
.site-header.is-stuck .channelbar-inner{min-height:38px;}
.channel-list{
  display:flex;
  align-items:center;
  gap:22px;
  overflow-x:auto;
  scrollbar-width:none;
  -ms-overflow-style:none;
  flex:1 1 auto;
}
.channel-list::-webkit-scrollbar{display:none;}
.channel-list a{
  position:relative;
  display:inline-block;
  white-space:nowrap;
  font-size:14.5px;
  font-weight:600;
  color:var(--text-2);
  padding:10px 0;
}
.channel-list a::after{
  content:"";
  position:absolute;
  left:0;right:0;bottom:4px;
  height:2px;
  border-radius:2px;
  background:var(--brand);
  transform:scaleX(0);
  transform-origin:left;
  transition:transform .2s ease;
}
.channel-list a:hover{color:var(--text);}
.channel-list a:hover::after{transform:scaleX(1);}
.channel-list a.is-active{color:var(--text);}
.channel-list a.is-active::after{transform:scaleX(1);}
.trend-list{display:none;align-items:center;gap:8px;flex:0 0 auto;}
@media (min-width:1024px){ .trend-list{display:flex;} }
.trend-list a{
  display:inline-block;
  padding:5px 12px;
  font-size:12.5px;
  font-weight:600;
  color:var(--text);
  background:rgba(255,216,77,.18);
  border-radius:var(--r-pill);
  white-space:nowrap;
  transition:background-color .18s ease,color .18s ease;
}
.trend-list a:hover{background:var(--action);color:#fff;}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  height:48px;
  padding:0 24px;
  border-radius:var(--r-btn);
  font-size:15px;
  font-weight:700;
  border:1px solid transparent;
  cursor:pointer;
  white-space:nowrap;
  transition:transform .18s ease,background-color .18s ease,color .18s ease,border-color .18s ease,box-shadow .18s ease;
}
.btn-sm{height:38px;padding:0 16px;font-size:14px;border-radius:10px;}
.btn-primary{background:var(--action);color:#fff;box-shadow:0 6px 16px rgba(255,91,46,.22);}
.btn-primary:hover{background:var(--action-dark);transform:translateY(-1px);}
.btn-primary:active{transform:scale(.98);}
.btn-brand{background:var(--brand);color:#04231A;}
.btn-brand:hover{background:var(--brand-dark);color:#fff;transform:translateY(-1px);}
.btn-ghost{background:transparent;color:var(--text);border-color:var(--line);}
.btn-ghost:hover{background:var(--brand-soft);border-color:var(--brand);color:var(--brand-dark);}
.btn-outline-light{background:transparent;color:#fff;border-color:rgba(255,255,255,.35);}
.btn-outline-light:hover{border-color:var(--brand);color:var(--brand);background:rgba(15,203,138,.08);}
.btn-block{width:100%;}
.btn[disabled]{opacity:.45;cursor:not-allowed;}

/* ---------- chips / badges ---------- */
.chip{
  display:inline-flex;
  align-items:center;
  gap:6px;
  padding:6px 12px;
  font-size:12.5px;
  font-weight:600;
  border-radius:var(--r-pill);
  background:var(--brand-soft);
  color:var(--brand-dark);
  border:1px solid transparent;
  white-space:nowrap;
}
.chip.is-solid{background:var(--brand);color:#fff;}
.chip.is-hot{background:rgba(255,216,77,.22);color:#6B5200;}
.badge{
  display:inline-flex;
  align-items:center;
  padding:4px 10px;
  font-size:12px;
  font-weight:700;
  border-radius:8px;
  background:var(--ink);
  color:#fff;
}
.badge-soft{background:var(--brand-soft);color:var(--brand-dark);}

/* ---------- breadcrumb ---------- */
.crumb{padding:22px 0 0;}
.crumb ol{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--text-3);}
.crumb a{color:var(--text-2);}
.crumb a:hover{color:var(--brand-dark);}
.crumb li:not(:last-child)::after{content:"/";margin-left:8px;color:var(--text-3);}
.crumb li[aria-current]{color:var(--text);font-weight:600;}

/* ---------- page hero ---------- */
.page-hero{
  position:relative;
  margin-top:20px;
  border-radius:22px;
  overflow:hidden;
  background:var(--ink);
  color:var(--text-on-dark);
  padding:clamp(32px,5vw,56px);
}
.page-hero::before{
  content:"";
  position:absolute;inset:0;
  background-image:linear-gradient(115deg,rgba(13,15,14,.94) 0%,rgba(13,15,14,.82) 45%,rgba(13,15,14,.62) 100%),url('/assets/images/backpic/back-2.webp');
  background-size:cover;
  background-position:center;
  opacity:.98;
}
.page-hero > *{position:relative;z-index:2;}
.hero-grid{display:flex;flex-wrap:wrap;gap:var(--sp-5);align-items:center;}
.hero-copy{flex:1 1 420px;min-width:280px;}
.hero-side{flex:1 1 300px;min-width:260px;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  padding:6px 14px;border-radius:var(--r-pill);
  background:rgba(15,203,138,.16);
  color:var(--brand);
  font-size:12.5px;font-weight:700;letter-spacing:.04em;
  margin-bottom:var(--sp-3);
}
.page-hero h1{
  font-size:clamp(30px,5vw,50px);
  line-height:1.12;
  font-weight:800;
  letter-spacing:-.02em;
  color:#fff;
}
.page-hero .lead{
  margin-top:var(--sp-3);
  font-size:16.5px;
  color:var(--text-on-dark-2);
  max-width:600px;
}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:var(--sp-5);}
.hero-side-card{
  background:rgba(255,255,255,.06);
  border:1px solid var(--line-soft);
  border-radius:var(--r-card);
  padding:20px;
  display:flex;
  gap:16px;
  align-items:center;
}
.hero-side-card img{
  width:96px;height:120px;
  object-fit:cover;
  border-radius:var(--r-img);
  flex:0 0 auto;
}
.hero-side-card h2{font-size:16px;color:#fff;line-height:1.4;}
.hero-side-card p{font-size:13.5px;color:var(--text-on-dark-2);margin-top:6px;}
.hero-metrics{
  display:flex;flex-wrap:wrap;gap:var(--sp-5);
  margin-top:var(--sp-5);
  padding-top:var(--sp-4);
  border-top:1px solid var(--line-soft);
}
.metric-num{
  font-family:var(--font-num);
  font-variant-numeric:tabular-nums;
  font-size:34px;font-weight:700;line-height:1;color:var(--brand);
}
.metric-num small{font-size:14px;margin-left:2px;}
.metric-label{font-size:12.5px;color:var(--text-on-dark-2);margin-top:6px;}

/* ---------- sections ---------- */
.section{padding:clamp(56px,8vw,112px) 0 0;}
.section-head{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:var(--sp-3);margin-bottom:var(--sp-5);}
.section-head h2{font-size:clamp(24px,3vw,36px);line-height:1.2;font-weight:700;letter-spacing:-.01em;}
.section-head p{font-size:15px;color:var(--text-2);margin-top:10px;max-width:620px;}
.link-more{font-size:14px;font-weight:700;color:var(--brand-dark);display:inline-flex;align-items:center;gap:6px;}
.link-more:hover{color:var(--action);}

/* ---------- filter chips (aux) ---------- */
.filter-bar{display:flex;gap:10px;overflow-x:auto;padding-bottom:6px;margin-bottom:var(--sp-4);scrollbar-width:none;}
.filter-bar::-webkit-scrollbar{display:none;}

/* ---------- master-detail layout ---------- */
.layout-split{display:flex;flex-wrap:wrap;gap:var(--sp-5);align-items:flex-start;}
.main-col{flex:1 1 640px;min-width:0;}
.side-col{flex:1 1 320px;max-width:100%;}
@media (min-width:1024px){
  .main-col{flex:0 0 calc(66.666% - 16px);}
  .side-col{flex:0 0 calc(33.333% - 16px);}
}

/* ---------- horizontal setting cards ---------- */
.set-list{display:flex;flex-direction:column;}
.set-item{
  display:flex;
  gap:var(--sp-4);
  padding:var(--sp-4) 0;
  border-bottom:1px solid var(--line);
  transition:background-color .18s ease;
}
.set-item:first-child{padding-top:0;}
.set-item:hover{background:#FAFBF9;}
.set-thumb{
  flex:0 0 auto;
  width:120px;
  aspect-ratio:4/3;
  border-radius:var(--r-img);
  overflow:hidden;
  background:var(--line);
}
.set-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .25s ease;}
.set-item:hover .set-thumb img{transform:scale(1.04);}
.set-body{min-width:0;flex:1 1 auto;}
.set-meta{display:flex;flex-wrap:wrap;align-items:center;gap:10px;font-size:12.5px;color:var(--text-3);margin-bottom:8px;}
.set-body h3{font-size:19px;line-height:1.35;font-weight:700;}
.set-body h3 a:hover{color:var(--brand-dark);}
.set-body p{font-size:14.5px;color:var(--text-2);margin-top:8px;line-height:1.75;}
.set-foot{display:flex;flex-wrap:wrap;align-items:center;gap:12px;margin-top:14px;}
.set-arrow{
  margin-left:auto;
  width:34px;height:34px;
  border-radius:50%;
  display:flex;align-items:center;justify-content:center;
  border:1px solid var(--line);
  color:var(--text-2);
  transition:background-color .18s ease,color .18s ease,transform .18s ease,border-color .18s ease;
}
.set-item:hover .set-arrow{background:var(--brand);color:#fff;border-color:var(--brand);transform:translateX(3px);}
@media (max-width:639px){
  .set-item{flex-direction:column;gap:14px;}
  .set-thumb{width:100%;aspect-ratio:16/9;}
  .set-arrow{display:none;}
}

/* ---------- sidebar ---------- */
.side-card{
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  padding:22px;
  box-shadow:var(--sh-1);
}
.side-card + .side-card{margin-top:var(--sp-4);}
.side-title{font-size:16px;font-weight:700;display:flex;align-items:center;gap:8px;margin-bottom:var(--sp-3);}
.side-title i{color:var(--brand);}
.rank-list{display:flex;flex-direction:column;}
.rank-item{
  display:flex;
  gap:12px;
  align-items:flex-start;
  padding:12px 0;
  border-bottom:1px dashed var(--line);
}
.rank-item:last-child{border-bottom:none;padding-bottom:0;}
.rank-num{
  font-family:var(--font-num);
  font-variant-numeric:tabular-nums;
  font-size:22px;
  font-weight:700;
  line-height:1.2;
  color:rgba(15,203,138,.55);
  flex:0 0 32px;
}
.rank-item p{font-size:14px;color:var(--text-2);line-height:1.7;}
.rank-item strong{display:block;color:var(--text);font-size:14.5px;font-weight:700;margin-bottom:2px;}
.side-sticky{position:sticky;top:110px;}
.side-cta{
  background:var(--ink);
  border-color:transparent;
  color:var(--text-on-dark);
}
.side-cta .side-title{color:#fff;}
.side-cta p{font-size:13.5px;color:var(--text-on-dark-2);line-height:1.75;margin-bottom:16px;}
.side-cta .btn{margin-top:10px;}
.side-cta .hint{font-size:12px;color:var(--text-on-dark-2);margin-top:12px;}

/* ---------- steps ---------- */
.steps-grid{display:grid;grid-template-columns:1fr;gap:var(--sp-4);}
@media (min-width:640px){ .steps-grid{grid-template-columns:repeat(2,1fr);} }
@media (min-width:1024px){ .steps-grid{grid-template-columns:repeat(4,1fr);} }
.step-card{
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  padding:24px;
  box-shadow:var(--sh-1);
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.step-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:rgba(15,203,138,.5);}
.step-num{
  font-family:var(--font-num);
  font-variant-numeric:tabular-nums;
  font-size:30px;
  font-weight:700;
  line-height:1;
  color:var(--brand);
  margin-bottom:14px;
}
.step-card h3{font-size:17px;font-weight:700;}
.step-card p{font-size:14px;color:var(--text-2);margin-top:10px;line-height:1.75;}

/* ---------- stat band ---------- */
.stat-band{
  margin-top:clamp(56px,8vw,112px);
  background:var(--ink-2);
  border-radius:22px;
  padding:clamp(28px,4vw,44px);
  color:var(--text-on-dark);
}
.stat-grid{display:grid;grid-template-columns:1fr;gap:var(--sp-4);}
@media (min-width:640px){ .stat-grid{grid-template-columns:repeat(3,1fr);} }
.stat-item{border-left:2px solid rgba(15,203,138,.6);padding-left:18px;}
.stat-item .num{
  font-family:var(--font-num);
  font-variant-numeric:tabular-nums;
  font-size:40px;font-weight:700;line-height:1;color:#fff;
}
.stat-item .num span{font-size:15px;color:var(--brand);margin-left:4px;}
.stat-item p{font-size:13.5px;color:var(--text-on-dark-2);margin-top:10px;line-height:1.7;}

/* ---------- FAQ ---------- */
.faq-wrap{max-width:900px;}
.accordion{border:none;background:transparent;margin:0;}
.accordion-item{
  border:1px solid var(--line)!important;
  border-radius:var(--r-card);
  background:#fff;
  margin-bottom:12px;
  overflow:hidden;
  box-shadow:var(--sh-1);
}
.accordion-title{
  display:block;
  position:relative;
  padding:20px 56px 20px 24px;
  font-size:17px;
  font-weight:700;
  color:var(--text);
  background:#fff;
  border:none;
  transition:background-color .18s ease,color .18s ease;
}
.accordion-title:hover{background:#FAFBF9;color:var(--brand-dark);}
.accordion-title::before{
  content:"+";
  position:absolute;
  right:24px;
  top:50%;
  transform:translateY(-50%);
  font-size:22px;
  line-height:1;
  font-weight:400;
  color:var(--brand);
  margin:0;
}
.accordion-title[aria-expanded="true"]::before{content:"−";}
.accordion-content{
  padding:0 24px 22px!important;
  border:none!important;
  background:#fff!important;
  color:var(--text-2);
  font-size:15px;
  line-height:1.85;
}
.accordion-content p{font-size:15px;color:var(--text-2);}

/* ---------- CTA band ---------- */
.cta-band{
  margin-top:clamp(56px,8vw,112px);
  background:var(--ink);
  color:var(--text-on-dark);
  border-radius:22px;
  padding:clamp(32px,5vw,56px);
  display:flex;
  flex-wrap:wrap;
  gap:var(--sp-5);
  align-items:center;
  justify-content:space-between;
}
.cta-band h2{color:#fff;font-size:clamp(22px,2.8vw,32px);line-height:1.25;font-weight:700;}
.cta-band .cta-desc{font-size:14.5px;color:var(--text-on-dark-2);margin-top:12px;max-width:520px;line-height:1.8;}
.cta-form{display:flex;flex-wrap:wrap;gap:12px;align-items:center;flex:1 1 360px;max-width:520px;}
.cta-form input{
  flex:1 1 200px;
  height:48px;
  padding:0 16px;
  border-radius:var(--r-btn);
  border:1px solid rgba(255,255,255,.18);
  background:rgba(255,255,255,.06);
  color:#fff;
  font-size:14.5px;
}
.cta-form input::placeholder{color:var(--text-on-dark-2);}
.cta-form input:focus{outline:none;border-color:var(--brand);box-shadow:0 0 0 3px rgba(15,203,138,.22);}
.cta-note{font-size:12.5px;color:var(--text-on-dark-2);margin-top:12px;width:100%;}

/* ---------- footer ---------- */
.site-footer{
  margin-top:clamp(64px,9vw,120px);
  background:var(--ink);
  color:var(--text-on-dark);
  padding:clamp(40px,6vw,72px) 0 0;
  border-top:1px solid var(--line-soft);
}
.footer-grid{row-gap:var(--sp-5);}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px;}
.footer-brand .logo-mark{background:rgba(255,255,255,.08);}
.footer-brand .logo-main{color:#fff;}
.footer-brand .logo-sub{color:var(--brand);}
.footer-desc{font-size:14px;color:var(--text-on-dark-2);line-height:1.8;max-width:300px;}
.footer-social{display:flex;gap:10px;margin-top:18px;}
.footer-social a{
  width:36px;height:36px;
  border-radius:10px;
  display:flex;align-items:center;justify-content:center;
  background:rgba(255,255,255,.07);
  color:var(--text-on-dark-2);
  font-size:14px;
}
.footer-social a:hover{background:var(--brand);color:#04231A;}
.footer-title{font-size:15px;font-weight:700;color:#fff;margin-bottom:16px;}
.footer-links li{margin-bottom:10px;}
.footer-links a{font-size:14px;color:var(--text-on-dark-2);}
.footer-links a:hover{color:var(--brand);}
.footer-bottom{
  margin-top:clamp(32px,5vw,56px);
  border-top:1px solid var(--line-soft);
  padding:20px 0;
  text-align:center;
  font-size:13px;
  color:var(--text-on-dark-2);
}
.footer-bottom span{color:var(--brand);}

/* ---------- mobile bottom bar ---------- */
.mobile-bar{
  position:fixed;
  left:0;right:0;bottom:0;
  z-index:55;
  display:flex;
  align-items:center;
  gap:10px;
  height:calc(56px + env(safe-area-inset-bottom));
  padding:0 16px calc(env(safe-area-inset-bottom));
  background:rgba(255,255,255,.96);
  backdrop-filter:blur(12px);
  -webkit-backdrop-filter:blur(12px);
  border-top:1px solid var(--line);
}
.mobile-bar .btn{flex:1 1 auto;height:42px;}
.mobile-bar .btn-ghost{flex:0 0 42%;}
@media (min-width:900px){ .mobile-bar{display:none;} }
@media (max-width:899px){ body{padding-bottom:calc(56px + env(safe-area-inset-bottom));} }

/* ---------- drawer ---------- */
.drawer{
  position:fixed;
  inset:0 0 0 auto;
  width:min(86vw,360px);
  background:#fff;
  z-index:80;
  transform:translateX(102%);
  transition:transform .28s ease;
  display:flex;
  flex-direction:column;
  padding:20px;
  overflow-y:auto;
  box-shadow:-12px 0 40px rgba(13,15,14,.18);
}
.drawer.is-open{transform:translateX(0);}
.drawer-mask{
  position:fixed;inset:0;
  background:rgba(13,15,14,.45);
  z-index:70;
  opacity:0;
  visibility:hidden;
  transition:opacity .25s ease,visibility .25s ease;
}
.drawer-mask.is-open{opacity:1;visibility:visible;}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:20px;}
.drawer-close{
  width:38px;height:38px;border-radius:10px;border:1px solid var(--line);
  background:#fff;color:var(--text);font-size:16px;cursor:pointer;
}
.drawer-close:hover{border-color:var(--brand);color:var(--brand-dark);}
.drawer-search{
  display:flex;align-items:center;gap:8px;
  height:44px;padding:0 12px;border:1px solid var(--line);border-radius:12px;margin-bottom:18px;
}
.drawer-search input{flex:1 1 auto;border:none;outline:none;font-size:14px;height:100%;background:transparent;}
.drawer-search i{color:var(--text-3);}
.drawer-nav li{margin-bottom:6px;}
.drawer-nav a{
  display:block;padding:12px 14px;border-radius:12px;font-size:15px;font-weight:600;color:var(--text-2);
}
.drawer-nav a:hover,.drawer-nav a.is-active{background:var(--brand-soft);color:var(--brand-dark);}
.drawer-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:18px;}
.drawer-cta{margin-top:auto;padding-top:20px;}

/* ---------- motion ---------- */
.fade-up{opacity:0;transform:translateY(16px);transition:opacity .4s ease,transform .4s ease;}
.fade-up.is-in{opacity:1;transform:none;}
@media (prefers-reduced-motion:reduce){
  *{animation:none!important;transition:none!important;}
  .fade-up{opacity:1;transform:none;}
  html{scroll-behavior:auto;}
}

/* roulang page: category3 */
:root{
  --brand:#0FCB8A;
  --brand-dark:#0AA16C;
  --brand-soft:rgba(15,203,138,.10);
  --accent:#FF5B2E;
  --accent-dark:#E24A20;
  --ink:#0D0F0E;
  --ink-2:#16191A;
  --bg:#F5F6F4;
  --card:#FFFFFF;
  --line:#E3E6E2;
  --text:#1B1F1D;
  --text-2:#5C6560;
  --text-3:#8A938D;
  --on-dark:#E8EBE9;
  --on-dark-2:#9AA39E;
  --line-dark:rgba(255,255,255,.10);
  --yellow:#FFD84D;
  --r-card:16px;
  --r-btn:12px;
  --r-pill:999px;
  --r-img:14px;
  --r-vert:18px;
  --sh-1:0 1px 2px rgba(13,15,14,.05);
  --sh-2:0 12px 28px rgba(13,15,14,.10);
  --sp-1:8px;
  --sp-2:12px;
  --sp-3:16px;
  --sp-4:24px;
  --sp-5:32px;
  --dur:.2s;
  --font-cn:"PingFang SC","HarmonyOS Sans SC","Noto Sans SC","Microsoft YaHei",system-ui,sans-serif;
  --font-num:"Oswald","Barlow Condensed","Arial Narrow",system-ui,sans-serif;
}

*,*::before,*::after{box-sizing:border-box;}

html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}

body{
  margin:0;
  padding-bottom:0;
  font-family:var(--font-cn);
  font-size:16px;
  line-height:1.8;
  color:var(--text);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}

h1,h2,h3,h4,h5,h6{
  margin:0;
  font-family:var(--font-cn);
  font-weight:700;
  color:var(--text);
  letter-spacing:-0.01em;
}

p{margin:0;}
ul,ol{margin:0;padding:0;list-style:none;}
img{display:block;max-width:100%;height:auto;}
a{color:inherit;text-decoration:none;}
button{font-family:inherit;}
input,textarea,select{font-family:inherit;font-size:16px;}
table{border-collapse:collapse;width:100%;}
abbr[title]{text-decoration:none;}

.num{font-family:var(--font-num);font-variant-numeric:tabular-nums;font-feature-settings:"tnum";}

.container{
  width:100%;
  max-width:1200px;
  margin:0 auto;
  padding-left:20px;
  padding-right:20px;
}

@media (min-width:768px){
  .container{padding-left:32px;padding-right:32px;}
}
@media (min-width:1280px){
  .container{max-width:1280px;padding-left:40px;padding-right:40px;}
}

.section{
  padding-top:clamp(56px,8vw,112px);
  padding-bottom:clamp(56px,8vw,112px);
}

.section-head{
  display:flex;
  align-items:flex-end;
  justify-content:space-between;
  gap:var(--sp-4);
  margin-bottom:var(--sp-5);
  flex-wrap:wrap;
}

.section-kicker{
  display:inline-flex;
  align-items:center;
  gap:var(--sp-1);
  font-size:13px;
  letter-spacing:.08em;
  color:var(--brand-dark);
  font-weight:700;
  margin-bottom:var(--sp-2);
}

.section-kicker::before{
  content:"";
  width:18px;
  height:2px;
  background:var(--brand);
  border-radius:2px;
}

.section-title{
  font-size:clamp(24px,3vw,36px);
  line-height:1.2;
  font-weight:700;
}

.section-desc{
  margin-top:var(--sp-2);
  color:var(--text-2);
  font-size:15.5px;
  max-width:640px;
}

.section-more{
  display:inline-flex;
  align-items:center;
  gap:var(--sp-1);
  font-size:14px;
  font-weight:700;
  color:var(--brand-dark);
  padding:var(--sp-1) var(--sp-3);
  border:1px solid var(--line);
  border-radius:var(--r-pill);
  background:var(--card);
  transition:border-color var(--dur) ease,color var(--dur) ease,transform var(--dur) ease;
}
.section-more:hover{border-color:var(--brand);color:var(--brand-dark);transform:translateY(-1px);}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:var(--sp-1);
  height:48px;
  padding:0 26px;
  border-radius:var(--r-btn);
  border:1px solid transparent;
  font-size:15.5px;
  font-weight:700;
  line-height:1;
  cursor:pointer;
  white-space:nowrap;
  transition:background-color var(--dur) ease,color var(--dur) ease,border-color var(--dur) ease,transform var(--dur) ease,box-shadow var(--dur) ease;
}

.btn-primary{
  background:var(--accent);
  color:#fff;
  box-shadow:var(--sh-1);
}
.btn-primary:hover{background:var(--accent-dark);color:#fff;transform:translateY(-1px);box-shadow:var(--sh-2);}
.btn-primary:active{transform:scale(.98);}

.btn-outline{
  background:transparent;
  color:var(--text);
  border-color:var(--line);
}
.btn-outline:hover{background:var(--brand-soft);border-color:var(--brand);color:var(--brand-dark);transform:translateY(-1px);}
.btn-outline:active{transform:scale(.98);}

.btn-ghost-dark{
  background:transparent;
  color:var(--on-dark);
  border-color:var(--line-dark);
}
.btn-ghost-dark:hover{border-color:var(--brand);color:var(--brand);transform:translateY(-1px);}

.btn-brand{
  background:var(--brand);
  color:#04231A;
}
.btn-brand:hover{background:var(--brand-dark);color:#fff;transform:translateY(-1px);}

.btn-sm{height:40px;padding:0 18px;font-size:14px;border-radius:10px;}

.btn:focus-visible,
a:focus-visible,
button:focus-visible,
input:focus-visible{
  outline:2px solid var(--brand);
  outline-offset:2px;
}

/* ---------- 顶部导航 ---------- */
.site-header{
  position:sticky;
  top:0;
  z-index:60;
  background:rgba(255,255,255,.96);
  backdrop-filter:saturate(160%) blur(12px);
  -webkit-backdrop-filter:saturate(160%) blur(12px);
  border-bottom:1px solid transparent;
  transition:box-shadow var(--dur) ease,border-color var(--dur) ease;
}
.site-header.is-stuck{
  border-bottom-color:var(--line);
  box-shadow:0 6px 18px rgba(13,15,14,.06);
}

.brandbar-inner{
  display:flex;
  align-items:center;
  gap:var(--sp-4);
  height:56px;
}

.logo{
  display:inline-flex;
  align-items:center;
  gap:10px;
  flex:0 0 auto;
}

.logo-mark{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  width:32px;
  height:32px;
  border-radius:10px;
  background:linear-gradient(135deg,var(--brand),var(--brand-dark));
  color:#04231A;
  font-family:var(--font-num);
  font-weight:700;
  font-size:15px;
  letter-spacing:.02em;
}

.logo-text{
  display:flex;
  flex-direction:column;
  line-height:1.1;
}
.logo-main{
  font-size:15px;
  font-weight:800;
  letter-spacing:-.01em;
}
.logo-sub{
  font-size:11px;
  color:var(--text-2);
  letter-spacing:.14em;
}

.nav-search{
  position:relative;
  display:none;
  align-items:center;
  flex:1 1 auto;
  max-width:420px;
  height:40px;
  border:1px solid var(--line);
  border-radius:var(--r-btn);
  background:#FB FCFB;
  background:#FBFCFB;
  padding:0 6px 0 12px;
}
.nav-search i{color:var(--text-3);font-size:14px;}
.nav-search input{
  flex:1 1 auto;
  border:0;
  background:transparent;
  height:100%;
  padding:0 10px;
  font-size:14px;
  color:var(--text);
  outline:none;
}
.nav-search input::placeholder{color:var(--text-3);}
.nav-search:focus-within{border-color:var(--brand);box-shadow:0 0 0 3px rgba(15,203,138,.18);}
.nav-search button{
  height:32px;
  padding:0 14px;
  border:0;
  border-radius:9px;
  background:var(--ink);
  color:#fff;
  font-size:13px;
  font-weight:700;
  cursor:pointer;
  transition:background-color var(--dur) ease;
}
.nav-search button:hover{background:var(--brand-dark);}

.brandbar-actions{
  margin-left:auto;
  display:flex;
  align-items:center;
  gap:var(--sp-2);
}

.nav-toggle{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  width:40px;
  height:40px;
  border-radius:10px;
  border:1px solid var(--line);
  background:#fff;
  color:var(--text);
  font-size:16px;
  cursor:pointer;
  transition:border-color var(--dur) ease,color var(--dur) ease;
}
.nav-toggle:hover{border-color:var(--brand);color:var(--brand-dark);}

.channelbar{
  border-top:1px solid var(--line);
  background:rgba(255,255,255,.72);
}
.channelbar-inner{
  display:flex;
  align-items:center;
  gap:var(--sp-4);
  height:44px;
  transition:height var(--dur) ease;
  overflow:hidden;
}
.site-header.is-stuck .channelbar-inner{height:38px;}

.channel-list{
  display:flex;
  align-items:center;
  gap:var(--sp-4);
  overflow-x:auto;
  scrollbar-width:none;
  flex:1 1 auto;
  height:100%;
}
.channel-list::-webkit-scrollbar{display:none;}

.channel-list a{
  position:relative;
  display:inline-flex;
  align-items:center;
  height:100%;
  font-size:14.5px;
  font-weight:600;
  color:var(--text-2);
  white-space:nowrap;
  transition:color var(--dur) ease;
}
.channel-list a::after{
  content:"";
  position:absolute;
  left:0;
  right:0;
  bottom:6px;
  height:2px;
  border-radius:2px;
  background:var(--brand);
  transform:scaleX(0);
  transform-origin:left;
  transition:transform var(--dur) ease;
}
.channel-list a:hover{color:var(--text);}
.channel-list a:hover::after{transform:scaleX(1);}
.channel-list a.is-active{color:var(--brand-dark);}
.channel-list a.is-active::after{transform:scaleX(1);}

.trend-list{
  display:none;
  align-items:center;
  gap:var(--sp-2);
  flex:0 0 auto;
}
.trend-list a{
  display:inline-flex;
  align-items:center;
  height:26px;
  padding:0 12px;
  border-radius:var(--r-pill);
  background:rgba(255,216,77,.18);
  color:var(--text);
  font-size:12.5px;
  font-weight:600;
  white-space:nowrap;
  transition:background-color var(--dur) ease,color var(--dur) ease;
}
.trend-list a:hover{background:var(--accent);color:#fff;}

@media (min-width:1024px){
  .nav-search{display:flex;}
  .trend-list{display:flex;}
  .nav-toggle{display:none;}
}

/* 移动端抽屉 */
.mobile-drawer{
  position:fixed;
  inset:0 0 0 auto;
  width:min(84vw,340px);
  background:#fff;
  z-index:90;
  transform:translateX(100%);
  transition:transform .28s ease;
  box-shadow:-18px 0 40px rgba(13,15,14,.18);
  display:flex;
  flex-direction:column;
  padding:var(--sp-4);
  overflow-y:auto;
}
.mobile-drawer.is-open{transform:translateX(0);}
.drawer-mask{
  position:fixed;
  inset:0;
  background:rgba(13,15,14,.45);
  opacity:0;
  visibility:hidden;
  transition:opacity .28s ease,visibility .28s ease;
  z-index:85;
}
.drawer-mask.is-open{opacity:1;visibility:visible;}
.drawer-head{
  display:flex;
  align-items:center;
  justify-content:space-between;
  padding-bottom:var(--sp-3);
  border-bottom:1px solid var(--line);
  margin-bottom:var(--sp-4);
}
.drawer-close{
  width:36px;height:36px;border-radius:10px;border:1px solid var(--line);
  background:#fff;color:var(--text);cursor:pointer;
}
.drawer-title{
  font-size:12px;letter-spacing:.16em;color:var(--text-3);font-weight:700;
  margin-bottom:var(--sp-2);
}
.drawer-nav li a{
  display:flex;
  align-items:center;
  justify-content:space-between;
  padding:14px 4px;
  font-size:15.5px;
  font-weight:600;
  color:var(--text-2);
  border-bottom:1px solid var(--line);
  transition:color var(--dur) ease,padding-left var(--dur) ease;
}
.drawer-nav li a:hover,
.drawer-nav li a.is-active{color:var(--brand-dark);padding-left:10px;}
.drawer-form{margin-top:var(--sp-4);}
.drawer-form input{
  width:100%;height:46px;border:1px solid var(--line);border-radius:var(--r-btn);
  padding:0 14px;background:#FBFCFB;outline:none;
}
.drawer-form input:focus{border-color:var(--brand);box-shadow:0 0 0 3px rgba(15,203,138,.18);}
.drawer-cta{margin-top:var(--sp-3);}
.drawer-cta .btn{width:100%;}

/* ---------- 页头 Banner ---------- */
.page-hero{
  position:relative;
  background-color:var(--ink);
  background-image:url("/assets/images/backpic/back-1.png");
  background-size:cover;
  background-position:center;
  color:var(--on-dark);
  padding:clamp(48px,7vw,88px) 0 clamp(56px,8vw,96px);
  overflow:hidden;
}
.page-hero::before{
  content:"";
  position:absolute;
  inset:0;
  background:linear-gradient(115deg,rgba(13,15,14,.94) 0%,rgba(13,15,14,.82) 48%,rgba(13,15,14,.62) 100%);
}
.page-hero::after{
  content:"";
  position:absolute;
  left:0;right:0;bottom:0;
  height:64px;
  background:linear-gradient(180deg,rgba(13,15,14,0) 0%,rgba(245,246,244,.92) 100%);
}
.page-hero .container{position:relative;z-index:2;}

.breadcrumbs{margin-bottom:var(--sp-4);}
.breadcrumbs ul{
  display:flex;
  align-items:center;
  flex-wrap:wrap;
  gap:var(--sp-1);
  font-size:13px;
  color:var(--on-dark-2);
}
.breadcrumbs li{display:flex;align-items:center;gap:var(--sp-1);}
.breadcrumbs li+li::before{
  content:"/";
  color:rgba(255,255,255,.32);
}
.breadcrumbs a{color:var(--on-dark-2);transition:color var(--dur) ease;}
.breadcrumbs a:hover{color:var(--brand);}
.breadcrumbs [aria-current] ,
.breadcrumbs span{color:var(--on-dark);}

.hero-kicker{
  display:inline-flex;
  align-items:center;
  gap:var(--sp-1);
  height:28px;
  padding:0 14px;
  border-radius:var(--r-pill);
  background:rgba(15,203,138,.16);
  border:1px solid rgba(15,203,138,.36);
  color:#7CF0C6;
  font-size:12.5px;
  font-weight:700;
  letter-spacing:.06em;
  margin-bottom:var(--sp-4);
}

.page-hero h1{
  font-size:clamp(34px,5.2vw,58px);
  line-height:1.08;
  font-weight:800;
  letter-spacing:-.02em;
  color:#fff;
  max-width:900px;
}

.page-lead{
  margin-top:var(--sp-4);
  max-width:680px;
  font-size:clamp(16px,1.4vw,18px);
  line-height:1.75;
  color:var(--on-dark-2);
}

.hero-meta{
  display:flex;
  flex-wrap:wrap;
  gap:var(--sp-2);
  margin-top:var(--sp-5);
}
.hero-meta li{
  display:inline-flex;
  align-items:center;
  gap:var(--sp-1);
  height:34px;
  padding:0 14px;
  border-radius:var(--r-pill);
  border:1px solid var(--line-dark);
  background:rgba(255,255,255,.05);
  font-size:13px;
  color:var(--on-dark);
}
.hero-meta i{color:var(--brand);font-size:13px;}

/* ---------- 榜单 ---------- */
.rank-section{background:var(--bg);}

.rank-board{
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  box-shadow:var(--sh-1);
  padding:var(--sp-3) clamp(16px,3vw,32px);
}

.rank-list{border-top:1px solid var(--line);}

.rank-row{
  display:grid;
  grid-template-columns:104px minmax(0,1fr) 116px 128px;
  align-items:center;
  gap:var(--sp-4);
  padding:var(--sp-4) 10px;
  border-bottom:1px solid var(--line);
  transition:background-color .18s ease,transform .18s ease;
}
.rank-row:last-child{border-bottom:0;}
.rank-row:hover{background:#FAFBF9;transform:translateX(4px);}

.rank-num{
  font-family:var(--font-num);
  font-variant-numeric:tabular-nums;
  font-size:64px;
  line-height:.9;
  font-weight:700;
  letter-spacing:-.03em;
  color:rgba(15,203,138,.38);
  transition:color var(--dur) ease;
}
.rank-row:hover .rank-num{color:rgba(15,203,138,.72);}

.rank-title{
  font-size:19px;
  line-height:1.4;
  font-weight:700;
  color:var(--text);
  margin-bottom:var(--sp-1);
}
.rank-row:hover .rank-title{color:var(--brand-dark);}

.rank-text{
  font-size:14.5px;
  line-height:1.75;
  color:var(--text-2);
  display:-webkit-box;
  -webkit-line-clamp:2;
  -webkit-box-orient:vertical;
  overflow:hidden;
}

.rank-tags{
  display:flex;
  flex-wrap:wrap;
  gap:var(--sp-1);
  margin-top:var(--sp-2);
}

.chip{
  display:inline-flex;
  align-items:center;
  height:24px;
  padding:0 12px;
  border-radius:var(--r-pill);
  background:var(--brand-soft);
  color:var(--brand-dark);
  font-size:12.5px;
  font-weight:600;
  white-space:nowrap;
}
.chip-warm{
  background:rgba(255,91,46,.10);
  color:var(--accent-dark);
}
.chip-yellow{
  background:rgba(255,216,77,.28);
  color:#6B5200;
}

.rank-thumb{
  width:116px;
  aspect-ratio:1/1;
  object-fit:cover;
  border-radius:var(--r-img);
  border:1px solid var(--line);
}

.rank-action{
  justify-self:end;
  width:100%;
}

@media (max-width:1023px){
  .rank-row{grid-template-columns:80px minmax(0,1fr) 96px;gap:var(--sp-3);}
  .rank-thumb{width:96px;}
  .rank-action{grid-column:2 / -1;width:auto;justify-self:start;margin-top:var(--sp-2);}
  .rank-num{font-size:52px;}
}

@media (max-width:767px){
  .rank-board{padding:var(--sp-2) var(--sp-3);}
  .rank-row{grid-template-columns:56px minmax(0,1fr);gap:var(--sp-3);padding:var(--sp-4) 4px;}
  .rank-num{font-size:40px;}
  .rank-thumb{display:none;}
  .rank-title{font-size:17px;}
  .rank-action{grid-column:2;width:100%;justify-self:stretch;}
}

/* ---------- 步骤 ---------- */
.steps-section{background:#fff;border-top:1px solid var(--line);border-bottom:1px solid var(--line);}

.steps-grid{
  display:grid;
  grid-template-columns:repeat(3,minmax(0,1fr));
  gap:var(--sp-4);
}

.step-card{
  position:relative;
  padding:var(--sp-5) var(--sp-4) var(--sp-4);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  background:var(--bg);
  transition:box-shadow var(--dur) ease,transform var(--dur) ease,border-color var(--dur) ease;
}
.step-card:hover{box-shadow:var(--sh-2);transform:translateY(-4px);border-color:rgba(15,203,138,.42);}

.step-index{
  position:absolute;
  top:-18px;
  left:var(--sp-4);
  display:inline-flex;
  align-items:center;
  justify-content:center;
  width:42px;
  height:36px;
  border-radius:10px;
  background:var(--ink);
  color:var(--brand);
  font-family:var(--font-num);
  font-size:17px;
  font-weight:700;
  letter-spacing:.02em;
}

.step-title{font-size:18px;font-weight:700;margin-bottom:var(--sp-2);}
.step-text{font-size:14.5px;color:var(--text-2);line-height:1.8;}

@media (max-width:1023px){
  .steps-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
}
@media (max-width:767px){
  .steps-grid{grid-template-columns:1fr;gap:var(--sp-5);}
}

/* ---------- 设备适配概览 ---------- */
.spec-section{background:var(--bg);}

.spec-wrap{
  display:grid;
  grid-template-columns:minmax(0,1fr) minmax(0,1.15fr);
  gap:var(--sp-5);
  align-items:center;
}

.spec-media{
  position:relative;
  border-radius:var(--r-card);
  overflow:hidden;
  border:1px solid var(--line);
  box-shadow:var(--sh-1);
}
.spec-media img{
  width:100%;
  aspect-ratio:16/11;
  object-fit:cover;
}
.spec-badge{
  position:absolute;
  left:var(--sp-3);
  top:var(--sp-3);
  display:inline-flex;
  align-items:center;
  gap:6px;
  height:30px;
  padding:0 12px;
  border-radius:var(--r-pill);
  background:rgba(13,15,14,.72);
  color:#fff;
  font-size:12.5px;
  font-weight:600;
  backdrop-filter:blur(6px);
}
.spec-badge i{color:var(--brand);}

.spec-stats{
  display:grid;
  grid-template-columns:repeat(3,minmax(0,1fr));
  gap:var(--sp-3);
  margin-bottom:var(--sp-4);
}
.spec-stat{
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  padding:var(--sp-4) var(--sp-3);
}
.spec-stat .num{
  display:block;
  font-size:clamp(28px,3.4vw,40px);
  font-weight:700;
  line-height:1.1;
  color:var(--brand-dark);
  font-variant-numeric:tabular-nums;
}
.spec-stat .unit{font-size:14px;color:var(--text-3);margin-left:2px;}
.spec-stat .label{
  display:block;
  margin-top:var(--sp-1);
  font-size:13px;
  color:var(--text-2);
}

.spec-list li{
  display:flex;
  gap:var(--sp-3);
  padding:var(--sp-3) 0;
  border-bottom:1px solid var(--line);
}
.spec-list li:last-child{border-bottom:0;}
.spec-list i{
  flex:0 0 auto;
  width:34px;
  height:34px;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  border-radius:10px;
  background:var(--brand-soft);
  color:var(--brand-dark);
  font-size:14px;
}
.spec-list strong{display:block;font-size:15.5px;font-weight:700;margin-bottom:2px;}
.spec-list span{font-size:14px;color:var(--text-2);}

@media (max-width:1023px){
  .spec-wrap{grid-template-columns:1fr;}
}
@media (max-width:600px){
  .spec-stats{grid-template-columns:1fr 1fr;}
  .spec-stats .spec-stat:last-child{grid-column:1 / -1;}
}

/* ---------- FAQ ---------- */
.faq-section{background:#fff;border-top:1px solid var(--line);}

.faq-layout{
  display:grid;
  grid-template-columns:minmax(0,.75fr) minmax(0,1.65fr);
  gap:var(--sp-5);
  align-items:start;
}

.faq-aside{
  position:sticky;
  top:120px;
  padding:var(--sp-4);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  background:var(--bg);
}
.faq-aside h3{font-size:17px;margin-bottom:var(--sp-2);}
.faq-aside p{font-size:14px;color:var(--text-2);line-height:1.8;}
.faq-aside .btn{margin-top:var(--sp-3);width:100%;}

@media (max-width:1023px){
  .faq-layout{grid-template-columns:1fr;}
  .faq-aside{position:static;}
}

.accordion{
  border:0;
  background:transparent;
  margin:0;
}
.accordion .accordion-item{
  border:1px solid var(--line);
  border-radius:var(--r-card);
  background:#fff;
  margin-bottom:var(--sp-2);
  overflow:hidden;
  transition:border-color var(--dur) ease,box-shadow var(--dur) ease;
}
.accordion .accordion-item:hover{border-color:rgba(15,203,138,.42);box-shadow:var(--sh-1);}
.accordion .accordion-title{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:var(--sp-3);
  padding:18px 22px;
  font-size:17px;
  font-weight:700;
  color:var(--text);
  border:0;
  background:transparent;
  line-height:1.5;
  transition:color var(--dur) ease;
}
.accordion .accordion-title::before{
  content:"+";
  order:2;
  flex:0 0 auto;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  width:26px;
  height:26px;
  border-radius:50%;
  background:var(--brand-soft);
  color:var(--brand-dark);
  font-size:16px;
  font-weight:700;
  line-height:1;
  transition:transform var(--dur) ease,background-color var(--dur) ease,color var(--dur) ease;
}
.accordion .accordion-item.is-active .accordion-title{color:var(--brand-dark);}
.accordion .accordion-item.is-active .accordion-title::before{
  content:"–";
  background:var(--brand);
  color:#04231A;
}
.accordion .accordion-content{
  padding:0 22px 20px;
  border:0;
  color:var(--text-2);
  font-size:15.5px;
  line-height:1.85;
}
.accordion .accordion-content p{margin:0;}

/* ---------- CTA ---------- */
.cta-band{
  position:relative;
  background-color:var(--ink);
  background-image:url("/assets/images/backpic/back-3.png");
  background-size:cover;
  background-position:center;
  color:var(--on-dark);
  padding:clamp(48px,7vw,88px) 0;
  overflow:hidden;
}
.cta-band::before{
  content:"";
  position:absolute;
  inset:0;
  background:linear-gradient(120deg,rgba(13,15,14,.95) 0%,rgba(13,15,14,.84) 55%,rgba(13,15,14,.68) 100%);
}
.cta-inner{
  position:relative;
  z-index:2;
  display:grid;
  grid-template-columns:minmax(0,1.1fr) minmax(0,1fr);
  gap:var(--sp-5);
  align-items:center;
}
.cta-band h2{
  color:#fff;
  font-size:clamp(24px,3vw,36px);
  line-height:1.2;
}
.cta-band p{
  margin-top:var(--sp-3);
  color:var(--on-dark-2);
  font-size:15.5px;
  max-width:520px;
}
.cta-form{
  display:flex;
  gap:var(--sp-2);
  align-items:center;
  background:rgba(255,255,255,.06);
  border:1px solid var(--line-dark);
  border-radius:var(--r-card);
  padding:var(--sp-3);
}
.cta-form input{
  flex:1 1 auto;
  min-width:0;
  height:48px;
  padding:0 16px;
  border-radius:var(--r-btn);
  border:1px solid var(--line-dark);
  background:rgba(255,255,255,.08);
  color:#fff;
  outline:none;
  transition:border-color var(--dur) ease,box-shadow var(--dur) ease;
}
.cta-form input::placeholder{color:rgba(232,235,233,.55);}
.cta-form input:focus{border-color:var(--brand);box-shadow:0 0 0 3px rgba(15,203,138,.24);}
.cta-actions{
  display:flex;
  gap:var(--sp-2);
  margin-top:var(--sp-4);
  flex-wrap:wrap;
}
.cta-note{
  margin-top:var(--sp-3);
  font-size:13px;
  color:var(--on-dark-2);
}

@media (max-width:1023px){
  .cta-inner{grid-template-columns:1fr;}
}
@media (max-width:600px){
  .cta-form{flex-direction:column;align-items:stretch;}
  .cta-form .btn{width:100%;}
  .cta-actions .btn{width:100%;}
}

/* ---------- 页脚 ---------- */
.site-footer{
  background:var(--ink);
  color:var(--on-dark);
  padding:clamp(48px,6vw,72px) 0 0;
  border-top:1px solid var(--line-dark);
}
.footer-grid{padding-bottom:var(--sp-5);}
.footer-brand{
  display:flex;
  align-items:center;
  gap:10px;
  margin-bottom:var(--sp-3);
}
.footer-brand .logo-main{color:#fff;}
.footer-brand .logo-sub{color:var(--on-dark-2);}
.footer-desc{
  font-size:14px;
  line-height:1.8;
  color:var(--on-dark-2);
  max-width:300px;
}
.footer-social{
  display:flex;
  gap:var(--sp-2);
  margin-top:var(--sp-3);
}
.footer-social a{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  width:36px;
  height:36px;
  border-radius:10px;
  border:1px solid var(--line-dark);
  color:var(--on-dark-2);
  font-size:14px;
  transition:color var(--dur) ease,border-color var(--dur) ease,transform var(--dur) ease;
}
.footer-social a:hover{color:var(--brand);border-color:var(--brand);transform:translateY(-2px);}

.footer-title{
  font-size:15px;
  font-weight:700;
  color:#fff;
  margin-bottom:var(--sp-3);
}
.footer-links li{margin-bottom:10px;}
.footer-links a{
  font-size:14px;
  color:var(--on-dark-2);
  transition:color var(--dur) ease,padding-left var(--dur) ease;
}
.footer-links a:hover{color:var(--brand);padding-left:4px;}

.footer-bottom{
  border-top:1px solid var(--line-dark);
  padding:var(--sp-4) 0 calc(var(--sp-4) + 8px);
  text-align:center;
  font-size:13px;
  color:var(--on-dark-2);
}

@media (max-width:767px){
  .footer-grid > .cell{margin-bottom:var(--sp-5);}
}

/* ---------- 移动端底部固定条 ---------- */
.mobile-bar{
  position:fixed;
  left:0;right:0;bottom:0;
  z-index:70;
  display:flex;
  align-items:center;
  gap:var(--sp-2);
  height:56px;
  padding:0 16px calc(env(safe-area-inset-bottom,0px));
  height:calc(56px + env(safe-area-inset-bottom,0px));
  background:rgba(255,255,255,.96);
  backdrop-filter:blur(12px);
  border-top:1px solid var(--line);
}
.mobile-bar .btn{flex:1 1 0;height:40px;font-size:14px;}

@media (min-width:1024px){
  .mobile-bar{display:none;}
}

@media (max-width:1023px){
  body{padding-bottom:calc(56px + env(safe-area-inset-bottom,0px));}
}

/* ---------- 动效 ---------- */
.reveal{
  opacity:0;
  transform:translateY(16px);
  transition:opacity .4s ease,transform .4s ease;
}
.reveal.is-visible{opacity:1;transform:translateY(0);}

@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{
    animation-duration:.001ms !important;
    transition-duration:.001ms !important;
  }
  .reveal{opacity:1;transform:none;}
  html{scroll-behavior:auto;}
}

/* roulang page: category4 */
:root{
  --brand:#0FCB8A;
  --brand-dark:#0AA16C;
  --brand-soft:rgba(15,203,138,.10);
  --accent:#FF5B2E;
  --accent-dark:#E24A20;
  --yellow:#FFD84D;
  --ink:#0D0F0E;
  --ink-2:#16191A;
  --bg:#F5F6F4;
  --card:#FFFFFF;
  --line:#E3E6E2;
  --line-soft:#EEF1EE;
  --line-dark:rgba(255,255,255,.10);
  --text:#1B1F1D;
  --text-2:#5C6560;
  --text-3:#8A938D;
  --text-on-dark:#E8EBE9;
  --text-on-dark-2:#9AA39E;
  --radius-card:16px;
  --radius-btn:12px;
  --radius-img:14px;
  --radius-pill:999px;
  --shadow-1:0 1px 2px rgba(13,15,14,.05);
  --shadow-2:0 12px 28px rgba(13,15,14,.10);
  --sp-8:8px; --sp-12:12px; --sp-16:16px; --sp-24:24px; --sp-32:32px;
  --section-pad:clamp(56px,8vw,112px);
  --font-cn:"PingFang SC","HarmonyOS Sans SC","Noto Sans SC","Microsoft YaHei",system-ui,sans-serif;
  --font-num:"Oswald","Barlow Condensed","PingFang SC",system-ui,sans-serif;
}

*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;scroll-padding-top:130px}
body{
  margin:0;
  font-family:var(--font-cn);
  font-size:16px;
  line-height:1.8;
  color:var(--text);
  background:var(--bg);
  overflow-x:hidden;
}
body.no-scroll{overflow:hidden}
img{max-width:100%;height:auto;display:block}
a{color:inherit;text-decoration:none;transition:color .18s ease,background-color .18s ease,border-color .18s ease}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4,p{margin:0}
button{font-family:inherit;font-size:inherit;cursor:pointer;border:0;background:none;color:inherit}
input,textarea,select{font-family:inherit;font-size:16px;color:inherit}
::selection{background:var(--brand);color:#04140E}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:4px}

.container{width:100%;max-width:1200px;margin:0 auto;padding-left:20px;padding-right:20px}
@media (min-width:768px){.container{padding-left:32px;padding-right:32px}}
@media (min-width:1280px){.container{padding-left:40px;padding-right:40px;max-width:1280px}}

.grid-margin-x{margin-left:-12px;margin-right:-12px}
.grid-margin-x > .cell{padding-left:12px;padding-right:12px}

/* ===== 按钮 ===== */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:46px;padding:0 22px;border-radius:var(--radius-btn);
  font-size:15px;font-weight:700;line-height:1;white-space:nowrap;
  border:1px solid transparent;cursor:pointer;
  transition:background-color .18s ease,color .18s ease,border-color .18s ease,transform .18s ease,box-shadow .18s ease;
}
.btn i{font-size:14px}
.btn-primary{background:var(--accent);color:#fff;box-shadow:0 1px 2px rgba(13,15,14,.05)}
.btn-primary:hover{background:var(--accent-dark);color:#fff;transform:translateY(-1px)}
.btn-primary:active{transform:scale(.98)}
.btn-outline{background:transparent;border-color:var(--line);color:var(--text)}
.btn-outline:hover{border-color:var(--brand);background:var(--brand-soft);color:var(--brand-dark)}
.btn-ghost-dark{background:transparent;border-color:var(--line-dark);color:var(--text-on-dark)}
.btn-ghost-dark:hover{border-color:var(--brand);color:var(--brand)}
.btn-sm{height:38px;padding:0 16px;font-size:14px;border-radius:10px}
.btn-block{width:100%}

/* ===== chip / 徽章 ===== */
.chip{
  display:inline-flex;align-items:center;gap:6px;
  padding:6px 12px;border-radius:var(--radius-pill);
  font-size:13px;font-weight:600;line-height:1.4;
  background:var(--brand-soft);color:var(--brand-dark);
  border:1px solid transparent;transition:all .18s ease;
}
a.chip:hover{background:var(--brand);color:#fff}
.chip.is-active{background:var(--brand);color:#fff}
.chip-warm{background:rgba(255,216,77,.28);color:#6B5200}
.badge{
  display:inline-flex;align-items:center;gap:6px;
  padding:4px 10px;border-radius:6px;font-size:12px;font-weight:700;line-height:1.5;
}
.badge-hot{background:var(--accent);color:#fff}
.badge-new{background:var(--ink);color:#fff}

/* ===== 顶部导航 ===== */
.site-header{
  position:sticky;top:0;z-index:100;
  background:#fff;border-bottom:1px solid transparent;
  transition:background-color .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.site-header.is-stuck{
  background:rgba(255,255,255,.92);
  -webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);
  border-bottom-color:var(--line);
  box-shadow:0 4px 18px rgba(13,15,14,.05);
}
.brandbar{background:transparent}
.brandbar-inner{
  display:flex;align-items:center;gap:16px;height:56px;
}
.logo{display:flex;align-items:center;gap:10px;flex-shrink:0}
.logo-mark{
  width:32px;height:32px;border-radius:10px;flex-shrink:0;
  display:inline-flex;align-items:center;justify-content:center;
  background:var(--ink);color:var(--brand);
  font-family:var(--font-num);font-size:14px;font-weight:700;letter-spacing:.02em;
}
.logo-text{display:flex;flex-direction:column;line-height:1.1}
.logo-main{font-size:16px;font-weight:800;letter-spacing:-.01em;color:var(--ink)}
.logo-sub{font-size:11px;font-weight:600;color:var(--text-3);letter-spacing:.06em}

.nav-search{
  display:none;align-items:center;gap:8px;flex:1;max-width:420px;height:40px;
  padding:0 6px 0 14px;margin-left:8px;
  background:var(--bg);border:1px solid var(--line);border-radius:var(--radius-btn);
  transition:border-color .18s ease,box-shadow .18s ease;
}
.nav-search:focus-within{border-color:var(--brand);box-shadow:0 0 0 3px rgba(15,203,138,.18)}
.nav-search i{color:var(--text-3);font-size:14px}
.nav-search input{
  flex:1;min-width:0;border:0;background:transparent;height:100%;
  font-size:14px;outline:none;
}
.nav-search input::placeholder{color:var(--text-3)}
.nav-search button{
  height:30px;padding:0 14px;border-radius:8px;
  background:var(--ink);color:#fff;font-size:13px;font-weight:700;
  transition:background-color .18s ease;
}
.nav-search button:hover{background:var(--brand-dark)}
.brandbar-actions{display:flex;align-items:center;gap:12px;margin-left:auto}
.nav-toggle{
  width:40px;height:40px;border-radius:10px;border:1px solid var(--line);
  display:inline-flex;align-items:center;justify-content:center;color:var(--ink);
}
.nav-toggle:hover{border-color:var(--brand);color:var(--brand-dark)}
@media (min-width:992px){
  .nav-search{display:flex}
  .nav-toggle{display:none}
}

.channelbar{
  border-top:1px solid var(--line-soft);
  background:transparent;
  transition:height .2s ease;
}
.channelbar-inner{
  display:flex;align-items:center;gap:16px;
  height:44px;overflow-x:auto;scrollbar-width:none;
}
.channelbar-inner::-webkit-scrollbar{display:none}
.channel-list{display:flex;align-items:center;gap:4px;flex-shrink:0}
.channel-list a{
  position:relative;display:inline-block;padding:0 12px;
  font-size:14.5px;font-weight:600;color:var(--text-2);line-height:42px;white-space:nowrap;
}
.channel-list a::after{
  content:"";position:absolute;left:12px;right:12px;bottom:6px;height:2px;
  background:var(--brand);border-radius:2px;transform:scaleX(0);transform-origin:left;
  transition:transform .2s ease;
}
.channel-list a:hover{color:var(--brand-dark)}
.channel-list a:hover::after{transform:scaleX(1)}
.channel-list a.is-active{color:var(--ink);font-weight:700}
.channel-list a.is-active::after{transform:scaleX(1)}
.trend-list{display:flex;align-items:center;gap:8px;margin-left:auto;flex-shrink:0;padding-right:4px}
.trend-list a{
  display:inline-block;padding:5px 12px;border-radius:var(--radius-pill);
  background:rgba(255,216,77,.18);color:var(--ink);
  font-size:12.5px;font-weight:600;white-space:nowrap;
  transition:background-color .18s ease,color .18s ease;
}
.trend-list a:hover{background:var(--accent);color:#fff}
.site-header.is-stuck .channelbar-inner{height:38px}
.site-header.is-stuck .channel-list a{line-height:36px}

/* ===== 移动抽屉 ===== */
.mobile-drawer{
  position:fixed;top:0;left:0;bottom:0;width:84%;max-width:340px;z-index:200;
  background:#fff;transform:translateX(-102%);
  transition:transform .26s ease;overflow-y:auto;
  box-shadow:0 0 40px rgba(13,15,14,.18);
}
.mobile-drawer.is-open{transform:translateX(0)}
.drawer-panel{padding:18px 20px 32px}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:16px}
.drawer-title{font-size:16px;font-weight:800}
.drawer-close{width:36px;height:36px;border-radius:10px;border:1px solid var(--line);color:var(--text-2)}
.drawer-close:hover{border-color:var(--brand);color:var(--brand-dark)}
.drawer-search{
  display:flex;align-items:center;gap:8px;height:44px;margin-bottom:18px;
  padding:0 6px 0 14px;background:var(--bg);border:1px solid var(--line);border-radius:var(--radius-btn);
}
.drawer-search input{flex:1;min-width:0;border:0;background:transparent;outline:none;font-size:14px}
.drawer-search button{height:32px;padding:0 14px;border-radius:8px;background:var(--ink);color:#fff;font-size:13px;font-weight:700}
.drawer-links{display:flex;flex-direction:column;gap:2px;margin-bottom:20px}
.drawer-links a{display:block;padding:12px 12px;border-radius:10px;font-size:15px;font-weight:600;color:var(--text-2)}
.drawer-links a:hover{background:var(--brand-soft);color:var(--brand-dark)}
.drawer-links a.is-active{background:var(--brand-soft);color:var(--brand-dark)}
.drawer-sub{font-size:13px;font-weight:700;color:var(--text-3);margin:0 0 10px 12px}
.drawer-trends{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:24px;padding-left:12px}
.drawer-trends a{padding:6px 12px;border-radius:var(--radius-pill);background:rgba(255,216,77,.2);font-size:12.5px;font-weight:600}
.drawer-trends a:hover{background:var(--accent);color:#fff}
.drawer-mask{position:fixed;inset:0;background:rgba(13,15,14,.5);z-index:150}
.drawer-mask[hidden]{display:none}

/* ===== 面包屑 ===== */
.breadcrumbs{display:flex;align-items:center;gap:8px;font-size:13.5px;color:var(--text-on-dark-2);margin-bottom:18px;flex-wrap:wrap}
.breadcrumbs a{color:var(--text-on-dark-2)}
.breadcrumbs a:hover{color:var(--brand)}
.breadcrumbs span.sep{opacity:.5}
.breadcrumbs .current{color:var(--text-on-dark);font-weight:600}

/* ===== 页面 hero ===== */
.page-hero{
  position:relative;color:var(--text-on-dark);
  background:linear-gradient(140deg,rgba(13,15,14,.94) 0%,rgba(13,15,14,.86) 45%,rgba(13,15,14,.96) 100%),
             url("/assets/images/backpic/back-1.png") center/cover no-repeat;
  padding:clamp(48px,7vw,88px) 0 clamp(44px,6vw,72px);
  overflow:hidden;
}
.page-hero::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:linear-gradient(rgba(255,255,255,.035) 1px,transparent 1px),
                   linear-gradient(90deg,rgba(255,255,255,.035) 1px,transparent 1px);
  background-size:64px 64px;
}
.page-hero .container{position:relative;z-index:2}
.page-hero-grid{align-items:flex-start}
.hero-tag{
  display:inline-flex;align-items:center;gap:8px;
  padding:6px 14px;border-radius:var(--radius-pill);
  background:rgba(15,203,138,.16);color:var(--brand);
  font-size:13px;font-weight:700;letter-spacing:.02em;margin-bottom:18px;
}
.page-hero h1{
  font-size:clamp(30px,4.6vw,50px);line-height:1.14;font-weight:800;
  letter-spacing:-.02em;color:#fff;margin-bottom:16px;max-width:20em;
}
.hero-lead{font-size:17px;line-height:1.85;color:var(--text-on-dark-2);max-width:44em;margin-bottom:22px}
.hero-stats{display:flex;flex-wrap:wrap;gap:14px 32px;padding-top:20px;border-top:1px solid var(--line-dark)}
.hero-stat strong{
  display:block;font-family:var(--font-num);font-size:30px;font-weight:600;
  color:var(--brand);font-variant-numeric:tabular-nums;line-height:1.1;
}
.hero-stat span{font-size:13px;color:var(--text-on-dark-2)}

.quick-card{
  background:rgba(255,255,255,.05);
  border:1px solid var(--line-dark);
  border-radius:var(--radius-card);
  padding:22px;
  -webkit-backdrop-filter:blur(6px);backdrop-filter:blur(6px);
}
.quick-card h2{font-size:16px;font-weight:800;color:#fff;margin-bottom:6px}
.quick-card p{font-size:13.5px;color:var(--text-on-dark-2);margin-bottom:16px}
.quick-list{display:flex;flex-direction:column;gap:8px}
.quick-list a{
  display:flex;align-items:center;gap:12px;
  padding:12px 14px;border-radius:12px;
  background:rgba(255,255,255,.04);border:1px solid var(--line-dark);
  font-size:14.5px;font-weight:600;color:var(--text-on-dark);
  transition:all .18s ease;
}
.quick-list a:hover{background:rgba(15,203,138,.14);border-color:rgba(15,203,138,.45);transform:translateX(3px)}
.quick-list a i{color:var(--brand);font-size:14px;width:16px;text-align:center}
.quick-list a .ql-arrow{margin-left:auto;color:var(--text-on-dark-2);transition:transform .18s ease}
.quick-list a:hover .ql-arrow{transform:translateX(3px);color:var(--brand)}

/* ===== 通用板块 ===== */
.section{padding:var(--section-pad) 0}
.section-tight{padding:clamp(40px,5vw,72px) 0}
.section-head{margin-bottom:clamp(28px,4vw,44px);max-width:52em}
.section-head.row-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;max-width:none;flex-wrap:wrap}
.section-head h2{font-size:clamp(24px,3vw,34px);line-height:1.25;font-weight:800;letter-spacing:-.01em}
.section-head p{margin-top:10px;color:var(--text-2);font-size:16px}
.section-link{font-size:14px;font-weight:700;color:var(--brand-dark);display:inline-flex;align-items:center;gap:6px}
.section-link:hover{color:var(--accent)}

/* ===== FAQ 布局 ===== */
.faq-section{background:var(--bg)}
.faq-layout{align-items:flex-start}
.anchor-col{padding-top:4px}
.anchor-nav{
  position:sticky;top:118px;
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius-card);
  padding:20px;box-shadow:var(--shadow-1);
}
.anchor-title{font-size:12.5px;font-weight:700;letter-spacing:.08em;color:var(--text-3);margin-bottom:12px}
.anchor-nav ul{display:flex;flex-direction:column;gap:2px}
.anchor-nav a{
  display:block;padding:10px 12px 10px 14px;
  border-left:3px solid transparent;border-radius:0 10px 10px 0;
  font-size:14.5px;font-weight:600;color:var(--text-2);
  transition:all .18s ease;
}
.anchor-nav a:hover{background:#FAFBF9;color:var(--brand-dark)}
.anchor-nav a.is-active{
  border-left-color:var(--brand);background:var(--brand-soft);
  color:var(--brand-dark);font-weight:700;
}
.anchor-back{
  display:flex;align-items:center;gap:8px;margin-top:16px;padding-top:16px;
  border-top:1px solid var(--line);font-size:13.5px;font-weight:700;color:var(--text-2);
}
.anchor-back:hover{color:var(--brand-dark)}
.anchor-note{
  display:flex;gap:10px;margin-top:16px;padding:14px;border-radius:12px;
  background:var(--bg);font-size:13px;line-height:1.7;color:var(--text-2);
}
.anchor-note i{color:var(--brand);font-size:14px;margin-top:3px}
@media (max-width:1023px){
  .anchor-nav{position:static}
  .anchor-col{margin-bottom:24px}
}

.faq-col{display:flex;flex-direction:column;gap:calc(var(--sp-32) + 8px)}
.faq-group-head{margin-bottom:18px}
.faq-group-head h2{
  display:flex;align-items:center;gap:12px;
  font-size:clamp(20px,2.4vw,26px);font-weight:800;line-height:1.3;
}
.faq-group-head h2::before{
  content:"";width:4px;height:22px;border-radius:2px;background:var(--brand);flex-shrink:0;
}
.faq-group-head p{margin-top:8px;color:var(--text-2);font-size:15px}

.accordion.custom-accordion{
  border:0;background:transparent;
}
.custom-accordion .accordion-item{
  border:1px solid var(--line);border-radius:var(--radius-card);background:var(--card);
  margin-bottom:12px;overflow:hidden;box-shadow:var(--shadow-1);
  transition:border-color .18s ease,box-shadow .18s ease;
}
.custom-accordion .accordion-item:last-child{margin-bottom:0}
.custom-accordion .accordion-item.is-active{
  border-color:rgba(15,203,138,.5);
  box-shadow:0 10px 26px rgba(13,15,14,.08);
}
.custom-accordion .accordion-title{
  position:relative;display:block;border:0;
  padding:20px 58px 20px 22px;
  font-size:16.5px;font-weight:700;line-height:1.55;color:var(--text);
  background:transparent;
  transition:background-color .18s ease,color .18s ease;
}
.custom-accordion .accordion-title:hover{background:#FAFBF9;color:var(--brand-dark)}
.custom-accordion .accordion-title::before{
  content:"\f067";
  font-family:"Font Awesome 6 Free";font-weight:900;font-size:13px;
  position:absolute;right:22px;top:50%;transform:translateY(-50%);
  color:var(--brand);line-height:1;
}
.custom-accordion .accordion-title::after{content:none}
.custom-accordion .accordion-item.is-active > .accordion-title::before{content:"\f068"}
.custom-accordion .accordion-content{
  padding:0 22px 22px;border:0;background:transparent;
  font-size:15.5px;line-height:1.85;color:var(--text-2);border-top:0;
}
.custom-accordion .accordion-content p{margin:0 0 10px}
.custom-accordion .accordion-content p:last-child{margin-bottom:0}
.custom-accordion .accordion-content strong{color:var(--text);font-weight:700}
.acc-tip{
  display:flex;gap:10px;margin-top:14px;padding:12px 14px;border-radius:12px;
  background:#F0F7F4;font-size:13.5px;color:var(--text-2);
}
.acc-tip i{color:var(--brand-dark);font-size:14px;margin-top:3px}

/* ===== 三步自查 ===== */
.steps-section{background:#fff;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.steps-grid{display:grid;gap:20px;grid-template-columns:1fr}
@media (min-width:768px){.steps-grid{grid-template-columns:repeat(3,1fr);gap:24px}}
.step-card{
  position:relative;padding:28px 24px 24px;border:1px solid var(--line);
  border-radius:var(--radius-card);background:var(--card);box-shadow:var(--shadow-1);
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.step-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-2);border-color:rgba(15,203,138,.4)}
.step-num{
  font-family:var(--font-num);font-size:44px;font-weight:600;line-height:1;
  color:rgba(15,203,138,.35);font-variant-numeric:tabular-nums;margin-bottom:14px;
}
.step-card h3{font-size:18px;font-weight:800;margin-bottom:10px}
.step-card p{font-size:15px;color:var(--text-2);line-height:1.8}
.step-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:16px}

/* ===== 双卡行动区 ===== */
.action-grid{display:grid;gap:24px;grid-template-columns:1fr}
@media (min-width:768px){.action-grid{grid-template-columns:1fr 1fr}}
.action-card{
  display:flex;flex-direction:column;
  border:1px solid var(--line);border-radius:var(--radius-card);overflow:hidden;
  background:var(--card);box-shadow:var(--shadow-1);
  transition:transform .2s ease,box-shadow .2s ease;
}
.action-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-2)}
.action-media{position:relative;aspect-ratio:16/9;overflow:hidden;background:var(--ink-2)}
.action-media img{width:100%;height:100%;object-fit:cover;transition:transform .35s ease}
.action-card:hover .action-media img{transform:scale(1.04)}
.action-media::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(to top,rgba(13,15,14,.7),rgba(13,15,14,.05) 60%);
}
.action-media .badge{position:absolute;top:14px;left:14px;z-index:2}
.action-body{padding:22px 24px 26px;display:flex;flex-direction:column;gap:12px;flex:1}
.action-body h3{font-size:19px;font-weight:800;line-height:1.4}
.action-body p{font-size:15px;color:var(--text-2);line-height:1.8}
.action-list{display:flex;flex-direction:column;gap:8px;margin-top:2px}
.action-list li{display:flex;gap:10px;font-size:14.5px;color:var(--text-2);line-height:1.7}
.action-list i{color:var(--brand-dark);font-size:13px;margin-top:6px;flex-shrink:0}
.action-body .btn{align-self:flex-start;margin-top:8px}

/* ===== CTA 带 ===== */
.cta-band{
  position:relative;color:var(--text-on-dark);
  background:linear-gradient(120deg,#0D0F0E 0%,#16191A 55%,#0D0F0E 100%);
  padding:clamp(48px,6vw,84px) 0;overflow:hidden;
}
.cta-band::after{
  content:"";position:absolute;right:-80px;top:-80px;width:320px;height:320px;border-radius:50%;
  background:radial-gradient(circle,rgba(15,203,138,.22),transparent 70%);
}
.cta-band .container{position:relative;z-index:2}
.cta-grid{align-items:center}
.cta-band h2{font-size:clamp(24px,3vw,34px);font-weight:800;line-height:1.25;color:#fff;margin-bottom:12px}
.cta-band p{color:var(--text-on-dark-2);font-size:16px;max-width:38em}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:22px}
.cta-form{
  display:flex;flex-direction:column;gap:12px;
  padding:24px;border-radius:var(--radius-card);
  background:rgba(255,255,255,.05);border:1px solid var(--line-dark);
}
.cta-form label{font-size:13.5px;font-weight:700;color:var(--text-on-dark)}
.cta-form .req{color:var(--brand)}
.cta-form input{
  height:48px;padding:0 16px;border-radius:var(--radius-btn);
  background:rgba(255,255,255,.06);border:1px solid var(--line-dark);
  color:#fff;outline:none;transition:border-color .18s ease,box-shadow .18s ease;
}
.cta-form input::placeholder{color:rgba(232,235,233,.42)}
.cta-form input:focus{border-color:var(--brand);box-shadow:0 0 0 3px rgba(15,203,138,.2)}
.cta-form .form-hint{font-size:12.5px;color:var(--text-on-dark-2);line-height:1.7}

/* ===== 返回顶部 / 联系条 ===== */
.back-row{
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:16px;
  padding:22px 0 0;margin-top:8px;border-top:1px solid var(--line);
}
.back-row .hintline{font-size:14px;color:var(--text-2)}
.back-links{display:flex;flex-wrap:wrap;gap:12px}

/* ===== 页脚 ===== */
.site-footer{
  background:var(--ink);color:var(--text-on-dark-2);
  padding:clamp(48px,6vw,80px) 0 0;
  border-top:1px solid var(--line-dark);
}
.footer-grid{padding-bottom:40px}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px}
.footer-brand .logo-main{color:#fff}
.footer-brand .logo-sub{color:var(--text-on-dark-2)}
.footer-brand .logo-mark{background:var(--brand);color:var(--ink)}
.footer-desc{font-size:14px;line-height:1.85;max-width:26em;margin-bottom:18px}
.footer-social{display:flex;gap:10px}
.footer-social a{
  width:36px;height:36px;border-radius:10px;display:inline-flex;align-items:center;justify-content:center;
  border:1px solid var(--line-dark);color:var(--text-on-dark-2);font-size:14px;
  transition:all .18s ease;
}
.footer-social a:hover{border-color:var(--brand);color:var(--brand);background:rgba(15,203,138,.1)}
.footer-title{font-size:15px;font-weight:800;color:#fff;margin-bottom:16px}
.footer-links{display:flex;flex-direction:column;gap:10px}
.footer-links a{font-size:14px;color:var(--text-on-dark-2)}
.footer-links a:hover{color:var(--brand)}
.footer-bottom{
  border-top:1px solid var(--line-dark);
  padding:20px 0;text-align:center;font-size:13px;color:var(--text-on-dark-2);
}
.footer-bottom p{margin:0}
.footer-col{margin-bottom:28px}
@media (min-width:1024px){.footer-col{margin-bottom:0}}

/* ===== 移动端底部条 ===== */
.mobile-bar{
  position:fixed;left:0;right:0;bottom:0;z-index:90;
  display:none;gap:12px;align-items:center;
  padding:10px 16px calc(10px + env(safe-area-inset-bottom));
  background:rgba(13,15,14,.96);
  -webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);
  border-top:1px solid var(--line-dark);
}
.mobile-bar .btn{flex:1;height:44px}
@media (max-width:767px){
  .mobile-bar{display:flex}
  body{padding-bottom:78px}
}

/* ===== 动效 ===== */
.reveal{opacity:0;transform:translateY(16px);transition:opacity .4s ease,transform .4s ease}
.reveal.is-in{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){
  *{animation:none !important;transition:none !important}
  .reveal{opacity:1;transform:none}
  html{scroll-behavior:auto}
}

@media (max-width:767px){
  .page-hero h1{font-size:clamp(28px,7.6vw,36px)}
  .hero-stat strong{font-size:24px}
  .quick-card{padding:18px;margin-top:24px}
  .section-head h2{font-size:24px}
  .step-num{font-size:36px}
}