/* roulang page: index */
:root{
  --bg:#F7F6F2;
  --surface:#FFFFFF;
  --ink:#101112;
  --muted:#63676D;
  --line:#E5E2D9;
  --brand:#C8FF2E;
  --brand-2:#7C5CFF;
  --accent:#FF6B35;
  --dark:#0C0D0C;
  --dark-ink:#F8F8F4;
  --radius-card:22px;
  --radius-btn:999px;
  --radius-input:14px;
  --shadow-sm:0 4px 16px rgba(16,17,18,.06);
  --shadow-md:0 12px 32px rgba(16,17,18,.10);
  --shadow-lg:0 24px 56px rgba(16,17,18,.14);
  --container:1240px;
  --ease:cubic-bezier(.22,.7,.3,1);
}
*{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--bg);
  color:var(--ink);
  font-family:"MiSans","HarmonyOS Sans SC","Noto Sans SC","PingFang SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:17px;
  line-height:1.8;
  font-weight:400;
  letter-spacing:.01em;
  overflow-x:hidden;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;transition:color .2s var(--ease),opacity .2s var(--ease);}
a:hover{color:var(--ink);}
button,input,select,textarea{font-family:inherit;font-size:inherit;color:inherit;}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4{margin:0;font-weight:800;letter-spacing:-.02em;line-height:1.2;}
p{margin:0;}
:focus-visible{outline:2px solid var(--brand);outline-offset:3px;border-radius:6px;}
::selection{background:var(--brand);color:var(--ink);}

/* ---------- 容器 ---------- */
.container{
  width:100%;
  max-width:var(--container);
  margin:0 auto;
  padding-left:24px;
  padding-right:24px;
}
@media (min-width:1400px){
  .container{max-width:1360px;}
}
.section{padding:112px 0;}
.section-tight{padding:78px 0;}
.eyebrow{
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-size:13px;
  font-weight:700;
  letter-spacing:.16em;
  text-transform:uppercase;
  color:var(--muted);
  margin-bottom:18px;
}
.eyebrow::before{
  content:"";
  width:22px;height:2px;border-radius:2px;background:var(--brand-2);
}
.section-title{
  font-size:clamp(30px,3.4vw,48px);
  line-height:1.18;
  max-width:760px;
}
.section-lead{
  margin-top:18px;
  color:var(--muted);
  font-size:17px;
  line-height:1.85;
  max-width:640px;
}

/* ---------- 浮动 Dock 导航 ---------- */
.dock-wrap{
  position:fixed;
  top:20px;
  left:0;right:0;
  z-index:1080;
  display:flex;
  justify-content:center;
  padding:0 16px;
  pointer-events:none;
}
.dock{
  pointer-events:auto;
  width:min(1180px,100%);
  height:68px;
  background:rgba(255,255,255,.86);
  backdrop-filter:saturate(160%) blur(14px);
  -webkit-backdrop-filter:saturate(160%) blur(14px);
  border:1px solid var(--line);
  border-radius:var(--radius-btn);
  box-shadow:var(--shadow-sm);
  display:flex;
  align-items:center;
  gap:18px;
  padding:0 14px 0 22px;
  transition:height .26s var(--ease),top .26s var(--ease),box-shadow .26s var(--ease),background .26s var(--ease);
}
.dock.is-scrolled{
  height:60px;
  box-shadow:var(--shadow-md);
  background:rgba(255,255,255,.94);
}
.dock-logo{
  display:flex;
  align-items:center;
  gap:10px;
  font-weight:800;
  font-size:17px;
  letter-spacing:-.02em;
  white-space:nowrap;
}
.dock-logo .mark{
  width:32px;height:32px;
  border-radius:10px;
  background:var(--ink);
  color:var(--brand);
  display:grid;place-items:center;
  font-size:15px;
  font-weight:800;
  flex:none;
}
.dock-logo .mark i{transform:translateY(1px);}
.dock-nav{
  display:flex;
  align-items:center;
  gap:4px;
  margin:0 auto;
}
.dock-nav a{
  position:relative;
  display:inline-block;
  padding:9px 15px;
  border-radius:var(--radius-btn);
  font-size:15px;
  font-weight:500;
  color:#33363b;
  transition:background .2s var(--ease),color .2s var(--ease);
}
.dock-nav a:hover{background:#F1EFE9;color:var(--ink);}
.dock-nav a.active{
  color:var(--ink);
  font-weight:700;
}
.dock-nav a.active::after{
  content:"";
  position:absolute;
  left:50%;
  bottom:1px;
  transform:translateX(-50%);
  width:6px;height:6px;
  border-radius:50%;
  background:var(--brand-2);
}
.dock-actions{
  display:flex;
  align-items:center;
  gap:10px;
  flex:none;
}
.icon-btn{
  width:40px;height:40px;
  border-radius:50%;
  border:1px solid var(--line);
  background:#fff;
  display:grid;place-items:center;
  color:var(--muted);
  cursor:pointer;
  transition:border-color .2s var(--ease),color .2s var(--ease),background .2s var(--ease);
}
.icon-btn:hover{border-color:var(--ink);color:var(--ink);background:#F7F6F2;}
.dock-toggle{display:none;}

/* ---------- 按钮 ---------- */
.btn-main,.btn-ghost,.btn-text{
  display:inline-flex;
  align-items:center;
  gap:9px;
  font-weight:700;
  font-size:16px;
  cursor:pointer;
  border:1px solid transparent;
  transition:transform .2s var(--ease),background .2s var(--ease),color .2s var(--ease),border-color .2s var(--ease),box-shadow .2s var(--ease);
}
.btn-main{
  background:var(--ink);
  color:#fff;
  padding:15px 28px;
  border-radius:var(--radius-btn);
  box-shadow:var(--shadow-sm);
}
.btn-main i{transition:transform .22s var(--ease);}
.btn-main:hover{
  background:var(--brand);
  color:var(--ink);
  transform:translateY(-2px);
  box-shadow:var(--shadow-md);
}
.btn-main:hover i{transform:translateX(4px);}
.btn-main:active{transform:translateY(0);}
.btn-ghost{
  background:transparent;
  color:var(--ink);
  border:1px solid var(--ink);
  padding:15px 26px;
  border-radius:var(--radius-btn);
}
.btn-ghost:hover{background:var(--ink);color:#fff;transform:translateY(-2px);}
.btn-text{
  color:var(--ink);
  padding:4px 0;
  border-radius:0;
  border-bottom:1.5px solid var(--ink);
  gap:6px;
}
.btn-text:hover{color:var(--brand-2);border-color:var(--brand-2);}
.btn-text i{transition:transform .22s var(--ease);}
.btn-text:hover i{transform:translateX(4px);}
.btn-sm{padding:11px 20px;font-size:15px;}

/* ---------- 标签 / 徽章 ---------- */
.tag{
  display:inline-flex;
  align-items:center;
  gap:6px;
  padding:5px 12px;
  border-radius:var(--radius-btn);
  background:#F1EFE9;
  color:#4b4f55;
  font-size:12.5px;
  font-weight:600;
  letter-spacing:.02em;
  line-height:1.6;
}
.tag-brand{background:var(--brand);color:#111;}
.tag-violet{background:rgba(124,92,255,.12);color:#5b3fd6;}
.tag-accent{background:rgba(255,107,53,.12);color:#d54a18;}

/* ---------- Hero ---------- */
.hero{
  position:relative;
  padding:168px 0 96px;
  overflow:hidden;
}
.hero::before{
  content:"";
  position:absolute;
  inset:0;
  background-image:linear-gradient(rgba(16,17,18,.045) 1px,transparent 1px),linear-gradient(90deg,rgba(16,17,18,.045) 1px,transparent 1px);
  background-size:64px 64px;
  mask-image:radial-gradient(circle at 25% 20%,#000 0%,transparent 72%);
  -webkit-mask-image:radial-gradient(circle at 25% 20%,#000 0%,transparent 72%);
  pointer-events:none;
}
.hero-inner{
  position:relative;
  display:grid;
  grid-template-columns:minmax(0,7fr) minmax(0,5fr);
  gap:56px;
  align-items:center;
}
.hero h1{
  font-size:clamp(40px,6vw,72px);
  line-height:1.08;
  letter-spacing:-.025em;
}
.hero h1 .hl{
  position:relative;
  display:inline-block;
  z-index:1;
}
.hero h1 .hl::after{
  content:"";
  position:absolute;
  left:-2px;right:-2px;
  bottom:6px;
  height:14px;
  background:var(--brand);
  z-index:-1;
  border-radius:4px;
  opacity:.85;
}
.hero-sub{
  margin-top:26px;
  font-size:19px;
  line-height:1.8;
  color:var(--muted);
  max-width:560px;
}
.hero-cta{
  margin-top:38px;
  display:flex;
  flex-wrap:wrap;
  gap:14px;
}
.hero-meta{
  margin-top:46px;
  display:flex;
  flex-wrap:wrap;
  gap:28px;
  padding-top:26px;
  border-top:1px solid var(--line);
}
.hero-meta div{min-width:120px;}
.hero-meta strong{
  display:block;
  font-size:26px;
  font-weight:800;
  letter-spacing:-.02em;
}
.hero-meta span{
  font-size:13.5px;
  color:var(--muted);
}
.hero-visual{
  position:relative;
}
.hero-visual .frame{
  border-radius:28px;
  overflow:hidden;
  box-shadow:var(--shadow-lg);
  border:1px solid rgba(255,255,255,.6);
  aspect-ratio:4/5;
  background:#e9e6de;
}
.hero-visual .frame img{
  width:100%;height:100%;
  object-fit:cover;
  transition:transform .6s var(--ease);
}
.hero-visual .frame:hover img{transform:scale(1.03);}
.float-card{
  position:absolute;
  left:-24px;
  bottom:36px;
  background:#fff;
  border:1px solid var(--line);
  border-radius:18px;
  box-shadow:var(--shadow-md);
  padding:16px 20px;
  display:flex;
  align-items:center;
  gap:14px;
  max-width:270px;
}
.float-card .dot{
  width:42px;height:42px;border-radius:13px;
  background:var(--brand);
  display:grid;place-items:center;
  color:var(--ink);
  flex:none;
  font-size:17px;
}
.float-card b{display:block;font-size:15px;font-weight:700;}
.float-card small{color:var(--muted);font-size:12.5px;}
.float-badge{
  position:absolute;
  right:-16px;
  top:32px;
  background:var(--ink);
  color:#fff;
  border-radius:var(--radius-btn);
  padding:10px 18px;
  font-size:13px;
  font-weight:700;
  box-shadow:var(--shadow-md);
}
.float-badge i{color:var(--brand);margin-right:6px;}

/* ---------- 平台功能 ---------- */
.feature-layout{
  display:grid;
  grid-template-columns:minmax(0,4fr) minmax(0,8fr);
  gap:56px;
  align-items:start;
}
.feature-sticky{
  position:sticky;
  top:120px;
}
.feature-list{
  border-top:1px solid var(--line);
}
.feature-row{
  display:grid;
  grid-template-columns:64px minmax(0,1fr) auto;
  gap:22px;
  align-items:center;
  padding:28px 18px;
  border-bottom:1px solid var(--line);
  border-radius:16px;
  transition:background .24s var(--ease),transform .24s var(--ease),padding-left .24s var(--ease);
}
.feature-row:hover{
  background:#FFFDF6;
  transform:translateX(4px);
}
.feature-num{
  font-size:15px;
  font-weight:800;
  color:var(--brand-2);
  letter-spacing:.04em;
}
.feature-row h3{font-size:21px;margin-bottom:8px;}
.feature-row p{color:var(--muted);font-size:15.5px;line-height:1.75;}
.feature-tags{margin-top:12px;display:flex;flex-wrap:wrap;gap:8px;}
.feature-arrow{
  width:44px;height:44px;
  border-radius:50%;
  border:1px solid var(--line);
  display:grid;place-items:center;
  color:var(--muted);
  transition:background .22s var(--ease),color .22s var(--ease),border-color .22s var(--ease);
}
.feature-row:hover .feature-arrow{background:var(--ink);color:var(--brand);border-color:var(--ink);}

/* ---------- 数据区 ---------- */
.stats{
  background:var(--dark);
  color:var(--dark-ink);
  position:relative;
  overflow:hidden;
}
.stats::after{
  content:"";
  position:absolute;
  inset:0;
  background-image:linear-gradient(rgba(255,255,255,.045) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.045) 1px,transparent 1px);
  background-size:80px 80px;
  pointer-events:none;
}
.stats .container{position:relative;z-index:2;}
.stats-head{
  display:flex;
  justify-content:space-between;
  align-items:flex-end;
  gap:32px;
  flex-wrap:wrap;
  margin-bottom:56px;
}
.stats-head h2{color:#fff;}
.stats-head p{color:rgba(248,248,244,.62);max-width:420px;font-size:16px;}
.stats-grid{
  display:grid;
  grid-template-columns:repeat(4,minmax(0,1fr));
}
.stat{
  padding:8px 28px;
  border-left:1px solid rgba(248,248,244,.14);
}
.stat:first-child{border-left:none;padding-left:0;}
.stat b{
  display:block;
  font-size:clamp(38px,4.4vw,58px);
  font-weight:800;
  letter-spacing:-.03em;
  line-height:1.1;
  color:var(--brand);
}
.stat span{
  display:block;
  margin-top:10px;
  font-size:14.5px;
  color:rgba(248,248,244,.66);
  line-height:1.7;
}

/* ---------- 案例 ---------- */
.case-grid{
  display:grid;
  grid-template-columns:repeat(12,1fr);
  gap:24px;
}
.case-main{
  grid-column:span 8;
}
.case-side{
  grid-column:span 4;
  display:grid;
  gap:24px;
}
.case-card{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  overflow:hidden;
  box-shadow:var(--shadow-sm);
  transition:box-shadow .26s var(--ease),transform .26s var(--ease);
  display:flex;
  flex-direction:column;
  height:100%;
}
.case-card:hover{box-shadow:var(--shadow-md);transform:translateY(-3px);}
.case-media{
  overflow:hidden;
  background:#e9e6de;
}
.case-media img{
  width:100%;height:100%;
  object-fit:cover;
  transition:transform .5s var(--ease);
}
.case-card:hover .case-media img{transform:scale(1.03);}
.case-main .case-media{aspect-ratio:16/9;}
.case-side .case-media{aspect-ratio:16/10;}
.case-body{padding:24px 26px 28px;display:flex;flex-direction:column;gap:12px;flex:1;}
.case-body h3{font-size:22px;}
.case-side .case-body h3{font-size:18px;}
.case-body p{color:var(--muted);font-size:15.5px;}
.case-link{
  margin-top:auto;
  display:inline-flex;
  align-items:center;
  gap:7px;
  font-weight:700;
  font-size:15px;
}
.case-link i{transition:transform .22s var(--ease);}
.case-card:hover .case-link i{transform:translateX(4px);}

/* ---------- 方案 ---------- */
.plan-row{
  display:grid;
  grid-template-columns:minmax(0,6fr) minmax(0,6fr);
  gap:56px;
  align-items:center;
  padding:52px 0;
  border-top:1px solid var(--line);
}
.plan-row:last-child{border-bottom:1px solid var(--line);}
.plan-row.reverse .plan-media{order:2;}
.plan-media{
  border-radius:24px;
  overflow:hidden;
  aspect-ratio:16/11;
  background:#e9e6de;
  box-shadow:var(--shadow-sm);
}
.plan-media img{width:100%;height:100%;object-fit:cover;transition:transform .55s var(--ease);}
.plan-media:hover img{transform:scale(1.03);}
.plan-num{
  font-size:14px;
  font-weight:800;
  letter-spacing:.16em;
  color:var(--brand-2);
  margin-bottom:14px;
}
.plan-row h3{font-size:clamp(24px,2.4vw,32px);margin-bottom:16px;}
.plan-row p{color:var(--muted);font-size:16.5px;}
.plan-points{margin-top:22px;display:grid;gap:12px;}
.plan-points li{
  display:flex;
  gap:12px;
  align-items:flex-start;
  font-size:15.5px;
  color:#33363b;
}
.plan-points i{
  color:var(--brand-2);
  margin-top:5px;
  font-size:14px;
  flex:none;
}

/* ---------- 最新信息 ---------- */
.news-head{
  display:flex;
  justify-content:space-between;
  align-items:flex-end;
  gap:32px;
  flex-wrap:wrap;
  margin-bottom:48px;
}
.news-grid{
  display:grid;
  grid-template-columns:repeat(3,minmax(0,1fr));
  gap:26px;
}
.post-card{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  overflow:hidden;
  box-shadow:var(--shadow-sm);
  display:flex;
  flex-direction:column;
  height:100%;
  transition:box-shadow .26s var(--ease),transform .26s var(--ease);
}
.post-card:hover{box-shadow:var(--shadow-md);transform:translateY(-3px);}
.post-thumb{
  display:block;
  aspect-ratio:16/10;
  overflow:hidden;
  background:#e9e6de;
}
.post-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .5s var(--ease);}
.post-card:hover .post-thumb img{transform:scale(1.03);}
.post-body{padding:22px 24px 26px;display:flex;flex-direction:column;gap:12px;flex:1;}
.post-meta{
  display:flex;
  align-items:center;
  gap:12px;
  font-size:13px;
  color:var(--muted);
}
.post-body h3{
  font-size:19px;
  line-height:1.45;
  display:-webkit-box;
  -webkit-line-clamp:2;
  -webkit-box-orient:vertical;
  overflow:hidden;
}
.post-body .desc{
  color:var(--muted);
  font-size:15px;
  line-height:1.75;
  display:-webkit-box;
  -webkit-line-clamp:3;
  -webkit-box-orient:vertical;
  overflow:hidden;
}
.post-more{
  margin-top:auto;
  font-weight:700;
  font-size:15px;
  display:inline-flex;
  align-items:center;
  gap:7px;
}
.post-more i{transition:transform .22s var(--ease);}
.post-card:hover .post-more i{transform:translateX(4px);}
.news-empty{
  grid-column:1/-1;
  background:var(--surface);
  border:1px dashed var(--line);
  border-radius:var(--radius-card);
  padding:64px 32px;
  text-align:center;
  box-shadow:var(--shadow-sm);
}
.news-empty i{
  font-size:34px;
  color:var(--brand-2);
  margin-bottom:16px;
  display:block;
}
.news-empty strong{display:block;font-size:19px;margin-bottom:10px;}
.news-empty p{color:var(--muted);font-size:15.5px;margin-bottom:22px;}
.news-empty .empty-actions{display:flex;justify-content:center;gap:14px;flex-wrap:wrap;}

/* ---------- FAQ ---------- */
.faq-layout{
  display:grid;
  grid-template-columns:minmax(0,4fr) minmax(0,8fr);
  gap:56px;
  align-items:start;
}
.faq-side{position:sticky;top:120px;}
.faq-side .mini-card{
  margin-top:28px;
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:18px;
  padding:22px;
  box-shadow:var(--shadow-sm);
}
.faq-side .mini-card b{display:block;font-size:16px;margin-bottom:8px;}
.faq-side .mini-card p{color:var(--muted);font-size:14.5px;line-height:1.75;}
.accordion-item{
  border:1px solid var(--line) !important;
  border-radius:18px !important;
  overflow:hidden;
  margin-bottom:14px;
  background:var(--surface);
  box-shadow:var(--shadow-sm);
}
.accordion-button{
  font-size:17.5px !important;
  font-weight:700 !important;
  color:var(--ink) !important;
  background:var(--surface) !important;
  padding:22px 24px !important;
  box-shadow:none !important;
  line-height:1.5;
}
.accordion-button:not(.collapsed){
  color:var(--ink) !important;
  background:#FFFDF6 !important;
  border-left:4px solid var(--brand);
  padding-left:20px !important;
}
.accordion-button::after{
  background-image:none !important;
  content:"\f078";
  font-family:"Font Awesome 6 Free";
  font-weight:900;
  font-size:13px;
  color:var(--muted);
  width:auto;height:auto;
  transition:transform .26s var(--ease),color .26s var(--ease);
  transform:none;
}
.accordion-button:not(.collapsed)::after{transform:rotate(180deg);color:var(--brand-2);}
.accordion-body{
  padding:0 24px 26px !important;
  color:var(--muted);
  font-size:15.5px;
  line-height:1.85;
}

/* ---------- 联系 / 表单 ---------- */
.contact-layout{
  display:grid;
  grid-template-columns:minmax(0,5fr) minmax(0,7fr);
  gap:32px;
  align-items:stretch;
}
.contact-card{
  background:var(--dark);
  color:var(--dark-ink);
  border-radius:26px;
  padding:44px 38px;
  display:flex;
  flex-direction:column;
  gap:26px;
  position:relative;
  overflow:hidden;
}
.contact-card::after{
  content:"";
  position:absolute;
  width:260px;height:260px;
  right:-90px;bottom:-90px;
  border-radius:50%;
  background:radial-gradient(circle,rgba(200,255,46,.24),transparent 68%);
  pointer-events:none;
}
.contact-card h2{color:#fff;font-size:clamp(26px,2.6vw,34px);}
.contact-card p{color:rgba(248,248,244,.68);font-size:16px;}
.contact-items{display:grid;gap:18px;margin-top:6px;}
.contact-items li{display:flex;gap:14px;align-items:flex-start;}
.contact-items i{
  width:40px;height:40px;border-radius:12px;
  background:rgba(200,255,46,.14);
  color:var(--brand);
  display:grid;place-items:center;
  flex:none;
}
.contact-items b{display:block;font-size:15.5px;}
.contact-items span{color:rgba(248,248,244,.6);font-size:14px;word-break:break-all;}
.form-card{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:26px;
  padding:40px 38px;
  box-shadow:var(--shadow-sm);
}
.form-grid{
  display:grid;
  grid-template-columns:repeat(2,minmax(0,1fr));
  gap:20px;
}
.field{display:flex;flex-direction:column;gap:9px;}
.field.full{grid-column:1/-1;}
.field label{font-size:14.5px;font-weight:700;}
.field input,.field select,.field textarea{
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--radius-input);
  padding:13px 16px;
  font-size:15.5px;
  transition:border-color .2s var(--ease),box-shadow .2s var(--ease);
  width:100%;
}
.field textarea{min-height:126px;resize:vertical;}
.field input:focus,.field select:focus,.field textarea:focus{
  border-color:var(--brand);
  box-shadow:0 0 0 3px rgba(200,255,46,.28);
  outline:none;
}
.field .hint{font-size:12.5px;color:var(--muted);}
.form-foot{
  margin-top:26px;
  display:flex;
  align-items:center;
  gap:18px;
  flex-wrap:wrap;
}
.form-msg{
  margin-top:18px;
  font-size:14.5px;
  display:none;
  padding:12px 16px;
  border-radius:12px;
  background:#F1EFE9;
  color:#33363b;
}
.form-msg.show{display:block;}

/* ---------- CTA 条 ---------- */
.cta-band{
  background:var(--brand);
  border-radius:28px;
  padding:52px 48px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:32px;
  flex-wrap:wrap;
}
.cta-band h2{font-size:clamp(24px,2.6vw,36px);}
.cta-band p{margin-top:12px;color:#2c2f24;font-size:16px;max-width:560px;}

/* ---------- 页脚 ---------- */
.site-footer{
  background:var(--dark);
  color:var(--dark-ink);
  border-top:3px solid var(--brand);
  padding:76px 0 34px;
  margin-top:0;
}
.footer-grid{
  display:grid;
  grid-template-columns:minmax(0,4fr) repeat(3,minmax(0,2.4fr));
  gap:44px;
}
.footer-brand .logo{
  display:flex;
  align-items:center;
  gap:10px;
  font-weight:800;
  font-size:18px;
  color:#fff;
  line-height:1.4;
}
.footer-brand .logo .mark{
  width:34px;height:34px;border-radius:11px;
  background:var(--brand);
  color:var(--ink);
  display:grid;place-items:center;
  flex:none;
  font-size:15px;
}
.footer-brand p{
  margin-top:18px;
  color:rgba(248,248,244,.62);
  font-size:14.8px;
  line-height:1.8;
  max-width:340px;
}
.footer-col h4{
  font-size:15px;
  letter-spacing:.04em;
  color:#fff;
  margin-bottom:18px;
}
.footer-col ul{display:grid;gap:11px;}
.footer-col a{
  color:rgba(248,248,244,.66);
  font-size:14.8px;
}
.footer-col a:hover{color:var(--brand);}
.footer-contact li{
  color:rgba(248,248,244,.66);
  font-size:14.8px;
  line-height:1.8;
  display:flex;
  gap:10px;
  align-items:flex-start;
}
.footer-contact i{color:var(--brand);margin-top:6px;font-size:13px;flex:none;}
.footer-bottom{
  margin-top:56px;
  padding-top:24px;
  border-top:1px solid rgba(248,248,244,.12);
  display:flex;
  justify-content:space-between;
  align-items:center;
  gap:18px;
  flex-wrap:wrap;
  font-size:13.5px;
  color:rgba(248,248,244,.5);
}
.footer-bottom a{color:rgba(248,248,244,.6);}
.footer-bottom a:hover{color:var(--brand);}

/* ---------- 移动端抽屉 ---------- */
.mobile-panel{
  position:fixed;
  inset:0;
  z-index:1090;
  background:rgba(12,13,12,.55);
  backdrop-filter:blur(4px);
  opacity:0;
  visibility:hidden;
  transition:opacity .26s var(--ease),visibility .26s var(--ease);
}
.mobile-panel.open{opacity:1;visibility:visible;}
.mobile-inner{
  position:absolute;
  top:0;right:0;
  width:min(360px,88%);
  height:100%;
  background:#fff;
  padding:28px 24px 32px;
  display:flex;
  flex-direction:column;
  gap:8px;
  transform:translateX(100%);
  transition:transform .3s var(--ease);
  overflow-y:auto;
}
.mobile-panel.open .mobile-inner{transform:translateX(0);}
.mobile-inner .panel-head{
  display:flex;
  justify-content:space-between;
  align-items:center;
  margin-bottom:22px;
}
.mobile-inner .panel-head b{font-size:16px;}
.mobile-inner a{
  font-size:19px;
  font-weight:700;
  padding:14px 6px;
  border-bottom:1px solid var(--line);
}
.mobile-inner a.active{color:var(--brand-2);}
.mobile-inner .btn-main{margin-top:26px;justify-content:center;width:100%;}

/* ---------- 动效 ---------- */
.reveal{
  opacity:0;
  transform:translateY(16px);
  transition:opacity .6s var(--ease),transform .6s var(--ease);
}
.reveal.visible{opacity:1;transform:translateY(0);}

/* ---------- 响应式 ---------- */
@media (max-width:1199px){
  .dock-nav a{padding:9px 11px;font-size:14.5px;}
  .feature-layout{gap:40px;}
  .plan-row{gap:40px;}
}
@media (max-width:991px){
  body{font-size:16.5px;}
  .section{padding:80px 0;}
  .section-tight{padding:60px 0;}
  .dock{padding:0 10px 0 16px;gap:10px;}
  .dock-nav,.dock-actions .icon-btn{display:none;}
  .dock-toggle{display:grid;}
  .dock-actions{margin-left:auto;}
  .hero{padding:140px 0 72px;}
  .hero-inner{grid-template-columns:1fr;gap:44px;}
  .hero-visual .frame{aspect-ratio:16/11;}
  .float-card{left:12px;bottom:14px;}
  .float-badge{right:12px;top:14px;}
  .feature-layout{grid-template-columns:1fr;gap:28px;}
  .feature-sticky{position:static;}
  .stats-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:32px 0;}
  .stat{border-left:none;padding:0;}
  .stat:nth-child(even){border-left:1px solid rgba(248,248,244,.14);padding-left:26px;}
  .case-main,.case-side{grid-column:span 12;}
  .case-side{grid-template-columns:repeat(2,minmax(0,1fr));}
  .plan-row{grid-template-columns:1fr;gap:26px;padding:40px 0;}
  .plan-row.reverse .plan-media{order:0;}
  .news-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .faq-layout{grid-template-columns:1fr;gap:30px;}
  .faq-side{position:static;}
  .contact-layout{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:36px;}
}
@media (max-width:767px){
  .container{padding-left:18px;padding-right:18px;}
  .section{padding:64px 0;}
  .hero{padding:124px 0 60px;}
  .hero-cta .btn-main,.hero-cta .btn-ghost{width:100%;justify-content:center;}
  .hero-meta{gap:20px;}
  .hero-meta div{min-width:calc(50% - 10px);}
  .feature-row{grid-template-columns:44px minmax(0,1fr);gap:16px;padding:22px 12px;}
  .feature-arrow{display:none;}
  .case-side{grid-template-columns:1fr;}
  .news-grid{grid-template-columns:1fr;}
  .form-grid{grid-template-columns:1fr;}
  .form-card,.contact-card{padding:30px 22px;border-radius:22px;}
  .cta-band{padding:36px 24px;border-radius:22px;}
  .cta-band .btn-main{width:100%;justify-content:center;}
  .footer-grid{grid-template-columns:1fr;gap:30px;}
  .accordion-button{font-size:16.5px !important;padding:18px 18px !important;}
}
@media (max-width:519px){
  .dock-logo{font-size:15px;}
  .dock-logo .mark{width:28px;height:28px;}
  .stats-grid{grid-template-columns:1fr;gap:26px;}
  .stat:nth-child(even){border-left:none;padding-left:0;}
  .hero h1{font-size:clamp(32px,9vw,44px);}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none !important;transition:none !important;}
  .reveal{opacity:1;transform:none;}
  html{scroll-behavior:auto;}
}

/* roulang page: article */
:root{
  --bg:#F7F6F2;
  --surface:#FFFFFF;
  --ink:#101112;
  --muted:#63676D;
  --line:#E5E2D9;
  --brand:#C8FF2E;
  --brand-2:#7C5CFF;
  --accent:#FF6B35;
  --dark:#0C0D0C;
  --dark-ink:#F8F8F4;
  --radius-card:22px;
  --radius-btn:999px;
  --radius-input:14px;
  --shadow-sm:0 4px 16px rgba(16,17,18,.06);
  --shadow-md:0 12px 32px rgba(16,17,18,.10);
  --container:1240px;
  --font:"MiSans","HarmonyOS Sans SC","Noto Sans SC","PingFang SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:var(--font);
  font-size:17px;
  line-height:1.8;
  color:var(--ink);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;height:auto;display:block}
a{color:inherit;text-decoration:none;transition:color .2s ease,border-color .2s ease}
a:hover{color:var(--ink)}
button{font-family:inherit}
::selection{background:var(--brand);color:var(--ink)}
:focus-visible{outline:2px solid var(--brand);outline-offset:3px;border-radius:6px}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px}
.section{padding:96px 0}
.section-tight{padding:72px 0}
.eyebrow{
  display:inline-flex;align-items:center;gap:10px;
  font-size:13px;letter-spacing:.14em;text-transform:uppercase;
  color:var(--muted);font-weight:600;margin-bottom:18px;
}
.eyebrow::before{content:"";width:26px;height:2px;background:var(--brand-2);display:block}
h1,h2,h3,h4{letter-spacing:-.02em;font-weight:800;margin:0}
h2{font-size:clamp(30px,3.4vw,48px);line-height:1.18}
h3{font-size:24px;line-height:1.3;font-weight:700}
p{margin:0 0 18px}
.lead{color:var(--muted);font-size:18px;line-height:1.8}

/* ---------- Dock 导航 ---------- */
.dock-wrap{
  position:fixed;top:20px;left:0;right:0;z-index:1040;
  display:flex;justify-content:center;pointer-events:none;
}
.dock{
  pointer-events:auto;
  width:min(1180px,calc(100% - 32px));
  height:68px;
  display:flex;align-items:center;justify-content:space-between;gap:18px;
  padding:0 16px 0 22px;
  background:rgba(255,255,255,.93);
  backdrop-filter:blur(16px);
  border:1px solid var(--line);
  border-radius:var(--radius-btn);
  box-shadow:var(--shadow-sm);
  transition:height .25s ease,box-shadow .25s ease,top .25s ease;
}
.dock.scrolled{height:60px;box-shadow:var(--shadow-md)}
.dock-logo{display:flex;align-items:center;gap:10px;font-weight:800;font-size:16px;letter-spacing:-.01em;white-space:nowrap}
.dock-logo .mark{
  width:34px;height:34px;border-radius:11px;background:var(--ink);color:var(--brand);
  display:grid;place-items:center;font-size:15px;flex:none;
}
.dock-nav{display:flex;align-items:center;gap:4px}
.dock-nav a{
  position:relative;padding:9px 14px;border-radius:var(--radius-btn);
  font-size:15px;font-weight:600;color:var(--muted);
}
.dock-nav a:hover{color:var(--ink);background:rgba(16,17,18,.05)}
.dock-nav a.active{color:var(--ink)}
.dock-nav a.active::after{
  content:"";position:absolute;left:50%;bottom:2px;transform:translateX(-50%);
  width:16px;height:3px;border-radius:2px;background:var(--brand);
}
.dock-actions{display:flex;align-items:center;gap:10px}
.icon-btn{
  width:40px;height:40px;border-radius:50%;border:1px solid var(--line);
  background:var(--surface);color:var(--ink);display:grid;place-items:center;
  font-size:14px;cursor:pointer;transition:background .2s ease,transform .2s ease,border-color .2s ease;
}
.icon-btn:hover{background:var(--brand);border-color:var(--brand);transform:translateY(-1px)}
.dock-toggle{display:none}

/* ---------- 按钮 ---------- */
.btn-main{
  display:inline-flex;align-items:center;gap:9px;
  background:var(--ink);color:#fff;border:1px solid var(--ink);
  padding:14px 26px;border-radius:var(--radius-btn);
  font-size:15px;font-weight:700;cursor:pointer;
  transition:background .22s ease,color .22s ease,transform .22s ease,border-color .22s ease;
}
.btn-main i{transition:transform .22s ease}
.btn-main:hover{background:var(--brand);color:var(--ink);border-color:var(--brand);transform:translateY(-2px)}
.btn-main:hover i{transform:translateX(4px)}
.btn-sm{padding:11px 20px;font-size:14px}
.btn-ghost{
  display:inline-flex;align-items:center;gap:9px;
  background:transparent;color:var(--ink);border:1px solid var(--ink);
  padding:14px 26px;border-radius:var(--radius-btn);font-size:15px;font-weight:700;cursor:pointer;
  transition:background .22s ease,color .22s ease,transform .22s ease;
}
.btn-ghost:hover{background:var(--ink);color:#fff;transform:translateY(-2px)}
.btn-text{display:inline-flex;align-items:center;gap:8px;font-weight:700;font-size:15px;color:var(--ink);border-bottom:2px solid var(--brand);padding-bottom:3px}
.btn-text i{transition:transform .22s ease}
.btn-text:hover i{transform:translateX(4px)}

/* ---------- 面包屑 ---------- */
.breadcrumb-bar{padding:132px 0 0}
.crumbs{display:flex;flex-wrap:wrap;align-items:center;gap:10px;list-style:none;margin:0;padding:0;font-size:13.5px;color:var(--muted)}
.crumbs li{display:flex;align-items:center;gap:10px;max-width:100%}
.crumbs li+li::before{content:"/";color:#C9C5BA}
.crumbs a:hover{color:var(--ink);border-bottom:1px solid var(--brand)}
.crumbs .current span{color:var(--ink);font-weight:600;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;max-width:52vw;display:inline-block}

/* ---------- 文章头部 ---------- */
.article-head{padding:38px 0 46px;border-bottom:1px solid var(--line)}
.article-head h1{
  font-size:clamp(32px,4.4vw,58px);line-height:1.14;letter-spacing:-.02em;
  max-width:900px;margin-bottom:22px;
}
.chip{
  display:inline-flex;align-items:center;gap:8px;
  padding:6px 14px;border-radius:var(--radius-btn);
  background:var(--brand);color:var(--ink);font-size:13px;font-weight:700;
}
.chip-outline{background:transparent;border:1px solid var(--line);color:var(--muted)}
.meta-row{display:flex;flex-wrap:wrap;gap:22px;margin-top:6px;font-size:14px;color:var(--muted)}
.meta-row span{display:inline-flex;align-items:center;gap:8px}
.meta-row i{color:var(--brand-2)}

/* ---------- 文章布局 ---------- */
.article-layout{
  display:grid;grid-template-columns:minmax(0,1fr) 330px;
  gap:56px;align-items:start;padding:56px 0 88px;
}
.article-body{max-width:820px;font-size:17.5px;line-height:1.9;color:#1B1C1E}
.article-body h2{font-size:clamp(26px,2.6vw,34px);margin:44px 0 18px;line-height:1.28}
.article-body h3{font-size:22px;margin:34px 0 14px}
.article-body p{margin:0 0 20px}
.article-body ul,.article-body ol{margin:0 0 22px;padding-left:24px}
.article-body li{margin-bottom:10px}
.article-body blockquote{
  margin:28px 0;padding:18px 24px;background:var(--surface);
  border-left:4px solid var(--brand);border-radius:0 16px 16px 0;color:#33353A;
}
.article-body img{border-radius:18px;margin:26px 0;box-shadow:var(--shadow-sm)}
.article-body figure{margin:26px 0}
.article-body figcaption{font-size:13px;color:var(--muted);text-align:center;margin-top:10px}
.article-body a{color:var(--ink);border-bottom:1.5px solid var(--brand-2)}
.article-body code{background:#F1EFE8;padding:2px 7px;border-radius:6px;font-size:15px}
.article-body table{width:100%;border-collapse:collapse;margin:24px 0;font-size:16px}
.article-body th,.article-body td{border:1px solid var(--line);padding:12px 14px;text-align:left}
.article-body th{background:#F1EFE8;font-weight:700}
.empty-state{
  background:var(--surface);border:1px dashed var(--line);border-radius:var(--radius-card);
  padding:64px 32px;text-align:center;box-shadow:var(--shadow-sm);
}
.empty-state i{font-size:34px;color:var(--brand-2);margin-bottom:16px;display:block}
.empty-state h2{font-size:24px;margin-bottom:12px}
.empty-state p{color:var(--muted);margin-bottom:24px}

/* ---------- 侧栏 ---------- */
.aside-stack{position:sticky;top:112px;display:flex;flex-direction:column;gap:22px}
.side-card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-card);padding:26px;box-shadow:var(--shadow-sm)}
.side-card h3{font-size:17px;margin-bottom:16px;display:flex;align-items:center;gap:9px}
.side-card h3 i{color:var(--brand-2)}
.side-list{list-style:none;margin:0;padding:0}
.side-list li+li{border-top:1px solid var(--line)}
.side-list a{
  display:flex;align-items:center;justify-content:space-between;gap:10px;
  padding:12px 0;font-size:15px;font-weight:600;color:#2A2B2E;
}
.side-list a i{font-size:11px;color:var(--muted);transition:transform .2s ease,color .2s ease}
.side-list a:hover{color:#000}
.side-list a:hover i{transform:translateX(4px);color:var(--brand-2)}
.side-note{font-size:14px;color:var(--muted);line-height:1.75;margin:0}
.side-cta{background:var(--dark);color:var(--dark-ink);border-radius:var(--radius-card);padding:28px;border:1px solid #1B1D1A}
.side-cta h3{color:#fff;font-size:18px;margin-bottom:10px}
.side-cta p{color:#A9ACA3;font-size:14.5px;line-height:1.75;margin-bottom:18px}
.side-cta .btn-main{background:var(--brand);color:var(--ink);border-color:var(--brand);width:100%;justify-content:center}
.side-cta .btn-main:hover{background:#fff;border-color:#fff;color:var(--ink)}

/* ---------- 文末标签 ---------- */
.article-foot{margin-top:52px;padding-top:30px;border-top:1px solid var(--line)}
.tag-row{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:26px}
.tag{
  display:inline-flex;align-items:center;gap:7px;
  padding:7px 15px;border-radius:var(--radius-btn);
  background:var(--surface);border:1px solid var(--line);
  font-size:13.5px;font-weight:600;color:#3A3C40;transition:all .2s ease;
}
.tag:hover{border-color:var(--ink);background:var(--ink);color:#fff}
.back-row{display:flex;flex-wrap:wrap;gap:14px}

/* ---------- 推荐 ---------- */
.related-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:26px;margin-top:44px}
.rec-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-card);
  overflow:hidden;box-shadow:var(--shadow-sm);display:flex;flex-direction:column;
  transition:transform .24s ease,box-shadow .24s ease;
}
.rec-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md)}
.rec-thumb{position:relative;aspect-ratio:16/10;overflow:hidden;background:#ECEAE3}
.rec-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease}
.rec-card:hover .rec-thumb img{transform:scale(1.03)}
.rec-body{padding:22px 24px 26px;display:flex;flex-direction:column;gap:12px;flex:1}
.rec-body h3{font-size:19px;line-height:1.4}
.rec-body p{font-size:14.5px;color:var(--muted);margin:0;flex:1}
.badge-soft{
  position:absolute;left:16px;top:16px;
  background:rgba(12,13,12,.82);color:#fff;font-size:12px;font-weight:700;
  padding:5px 12px;border-radius:var(--radius-btn);backdrop-filter:blur(6px);
}

/* ---------- FAQ ---------- */
.faq-wrap{display:grid;grid-template-columns:minmax(0,.85fr) minmax(0,1.15fr);gap:56px;align-items:start}
.accordion-item{background:var(--surface);border:1px solid var(--line)!important;border-radius:16px!important;margin-bottom:14px;overflow:hidden}
.accordion-button{
  background:var(--surface);color:var(--ink);font-weight:700;font-size:17px;
  padding:20px 24px;box-shadow:none!important;border-radius:16px!important;
}
.accordion-button:not(.collapsed){background:#F3F1EA;color:var(--ink);box-shadow:inset 3px 0 0 var(--brand)!important}
.accordion-button::after{
  background-image:none;content:"\f067";font-family:"Font Awesome 6 Free";font-weight:900;
  font-size:13px;color:var(--muted);display:grid;place-items:center;width:1em;height:1em;
  transition:transform .24s ease,color .24s ease;
}
.accordion-button:not(.collapsed)::after{content:"\f068";transform:rotate(180deg);color:var(--brand-2)}
.accordion-body{padding:2px 24px 24px;color:var(--muted);font-size:15.5px;line-height:1.82}

/* ---------- CTA ---------- */
.cta-band{
  background:var(--dark);color:var(--dark-ink);border-radius:28px;
  padding:64px 56px;display:grid;grid-template-columns:minmax(0,1.35fr) minmax(0,1fr);
  gap:40px;align-items:center;position:relative;overflow:hidden;
}
.cta-band::before{
  content:"";position:absolute;inset:0;
  background-image:linear-gradient(rgba(255,255,255,.045) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.045) 1px,transparent 1px);
  background-size:46px 46px;pointer-events:none;
}
.cta-band h2{color:#fff;font-size:clamp(28px,3vw,42px);margin-bottom:14px;position:relative}
.cta-band p{color:#A9ACA3;margin:0;max-width:560px;position:relative}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;position:relative;justify-content:flex-end}
.cta-actions .btn-main{background:var(--brand);color:var(--ink);border-color:var(--brand)}
.cta-actions .btn-main:hover{background:#fff;border-color:#fff}
.cta-actions .btn-ghost{color:#fff;border-color:rgba(255,255,255,.35)}
.cta-actions .btn-ghost:hover{background:#fff;color:var(--ink);border-color:#fff}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--dark);color:#C6C9C1;margin-top:96px;position:relative}
.site-footer::before{content:"";position:absolute;top:0;left:0;right:0;height:3px;background:var(--brand)}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:44px;padding:76px 0 46px}
.footer-brand .logo{display:flex;align-items:center;gap:12px;font-size:19px;font-weight:800;color:#fff;line-height:1.25;margin-bottom:18px}
.footer-brand .logo .mark{width:38px;height:38px;border-radius:12px;background:var(--brand);color:var(--dark);display:grid;place-items:center;flex:none;font-size:16px}
.footer-brand p{font-size:14.5px;line-height:1.85;color:#8E9289;max-width:340px;margin:0}
.footer-col h4{font-size:15px;color:#fff;margin-bottom:20px;font-weight:700}
.footer-col ul{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:12px}
.footer-col a{font-size:14.5px;color:#9BA096}
.footer-col a:hover{color:var(--brand)}
.footer-contact li{display:flex;align-items:flex-start;gap:11px;font-size:14.5px;color:#9BA096}
.footer-contact i{color:var(--brand);margin-top:5px;font-size:13px}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.09);padding:24px 0 30px;
  display:flex;flex-wrap:wrap;justify-content:space-between;gap:12px;
  font-size:13.5px;color:#7E837A;
}
.footer-bottom a{color:#B9BDB4;border-bottom:1px solid rgba(200,255,46,.5)}
.footer-bottom a:hover{color:var(--brand)}

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

/* ---------- 响应式 ---------- */
@media (max-width:1199.98px){
  .article-layout{grid-template-columns:minmax(0,1fr) 300px;gap:40px}
  .footer-grid{grid-template-columns:1.4fr 1fr 1fr;gap:36px}
  .footer-col:last-child{grid-column:1/-1}
}
@media (max-width:991.98px){
  .section{padding:72px 0}
  .dock-nav{
    position:fixed;left:16px;right:16px;top:96px;
    flex-direction:column;align-items:stretch;gap:6px;
    background:rgba(255,255,255,.98);border:1px solid var(--line);
    border-radius:24px;box-shadow:var(--shadow-md);
    padding:16px;display:none;
  }
  .dock-nav.open{display:flex}
  .dock-nav a{padding:14px 16px;font-size:17px;border-radius:14px}
  .dock-nav a.active::after{display:none}
  .dock-nav a.active{background:#F2F0E9}
  .dock-toggle{display:grid}
  .dock-actions .btn-main{display:none}
  .breadcrumb-bar{padding-top:118px}
  .article-layout{grid-template-columns:minmax(0,1fr);gap:44px}
  .aside-stack{position:static}
  .article-body{max-width:none}
  .related-grid{grid-template-columns:1fr 1fr}
  .faq-wrap{grid-template-columns:minmax(0,1fr);gap:32px}
  .cta-band{grid-template-columns:minmax(0,1fr);padding:48px 34px}
  .cta-actions{justify-content:flex-start}
  .footer-grid{grid-template-columns:1fr 1fr;gap:34px}
  .footer-col:last-child{grid-column:auto}
}
@media (max-width:575.98px){
  body{font-size:16px}
  .container{padding:0 18px}
  .section{padding:56px 0}
  .breadcrumb-bar{padding-top:106px}
  .dock{height:60px;padding:0 12px 0 16px}
  .dock-logo{font-size:14.5px}
  .dock-logo .mark{width:30px;height:30px;border-radius:10px;font-size:13px}
  .dock-nav{top:86px}
  .article-head h1{font-size:29px}
  .crumbs .current span{max-width:60vw}
  .related-grid{grid-template-columns:1fr}
  .cta-band{border-radius:20px;padding:36px 22px}
  .footer-grid{grid-template-columns:1fr;padding:56px 0 34px}
  .btn-main,.btn-ghost{width:100%;justify-content:center}
  .side-cta .btn-main{width:100%}
  .cta-actions{flex-direction:column}
}
@media (prefers-reduced-motion:reduce){
  *{animation-duration:.001ms!important;transition-duration:.001ms!important}
  html{scroll-behavior:auto}
  .reveal{opacity:1;transform:none}
}

/* roulang page: category1 */
:root{
  --bg:#F7F6F2;
  --surface:#FFFFFF;
  --ink:#101112;
  --muted:#63676D;
  --line:#E5E2D9;
  --brand:#C8FF2E;
  --brand-2:#7C5CFF;
  --accent:#FF6B35;
  --dark:#0C0D0C;
  --dark-ink:#F8F8F4;
  --radius-card:22px;
  --radius-btn:999px;
  --radius-input:14px;
  --shadow-sm:0 4px 16px rgba(16,17,18,.06);
  --shadow-md:0 12px 32px rgba(16,17,18,.10);
  --container:1240px;
  --font:"MiSans","HarmonyOS Sans SC","Noto Sans SC","PingFang SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
}

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

html{scroll-behavior:smooth;}

body{
  margin:0;
  background:var(--bg);
  color:var(--ink);
  font-family:var(--font);
  font-size:17px;
  line-height:1.8;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
  overflow-x:hidden;
}

img{max-width:100%;display:block;}

a{color:inherit;text-decoration:none;transition:color .22s ease;}

h1,h2,h3,h4{margin:0;font-weight:800;letter-spacing:-.02em;color:var(--ink);}

p{margin:0;}

ul{margin:0;padding:0;list-style:none;}

button{font-family:inherit;}

:focus-visible{
  outline:2px solid var(--ink);
  outline-offset:3px;
  box-shadow:0 0 0 5px rgba(200,255,46,.55);
  border-radius:6px;
}

.container{
  width:100%;
  max-width:var(--container);
  margin:0 auto;
  padding-left:24px;
  padding-right:24px;
  --bs-gutter-x:0;
}

.section{padding:104px 0;}
.section-tight{padding:72px 0;}

.eyebrow{
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-size:13px;
  font-weight:700;
  letter-spacing:.14em;
  text-transform:uppercase;
  color:var(--muted);
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--radius-btn);
  padding:7px 16px;
}

.eyebrow::before{
  content:"";
  width:7px;
  height:7px;
  border-radius:50%;
  background:var(--brand);
  box-shadow:0 0 0 3px rgba(200,255,46,.35);
}

.section-head{
  max-width:760px;
  margin-bottom:56px;
}

.section-head h2{
  font-size:clamp(30px,3.4vw,48px);
  line-height:1.18;
  margin:20px 0 18px;
}

.section-head p{
  font-size:17px;
  color:var(--muted);
  line-height:1.85;
}

/* ---------- Dock 导航 ---------- */
.dock-wrap{
  position:fixed;
  top:0;
  left:0;
  right:0;
  z-index:1000;
  display:flex;
  justify-content:center;
  padding:20px 16px;
  pointer-events:none;
  transition:padding .25s ease;
}

.dock{
  pointer-events:auto;
  width:min(1180px,100%);
  height:68px;
  display:flex;
  align-items:center;
  gap:20px;
  padding:0 14px 0 20px;
  background:rgba(255,255,255,.93);
  backdrop-filter:blur(16px);
  -webkit-backdrop-filter:blur(16px);
  border:1px solid var(--line);
  border-radius:var(--radius-btn);
  box-shadow:var(--shadow-sm);
  transition:height .25s ease,box-shadow .25s ease,background .25s ease;
}

.dock.is-scrolled{
  height:60px;
  box-shadow:var(--shadow-md);
  background:rgba(255,255,255,.97);
}

.dock-wrap.is-scrolled{padding-top:12px;}

.dock-logo{
  display:flex;
  align-items:center;
  gap:10px;
  font-weight:800;
  font-size:16px;
  letter-spacing:-.01em;
  white-space:nowrap;
}

.mark{
  width:34px;
  height:34px;
  border-radius:11px;
  background:var(--ink);
  color:var(--brand);
  display:inline-flex;
  align-items:center;
  justify-content:center;
  font-size:15px;
  flex:0 0 auto;
}

.dock-nav{
  display:flex;
  align-items:center;
  gap:4px;
  margin:0 auto;
}

.dock-nav a{
  position:relative;
  padding:9px 16px;
  font-size:15px;
  font-weight:600;
  color:var(--muted);
  border-radius:var(--radius-btn);
  transition:color .2s ease,background .2s ease;
}

.dock-nav a:hover{color:var(--ink);background:#F1EFE9;}

.dock-nav a.active{color:var(--ink);background:#F1EFE9;}

.dock-nav a.active::after{
  content:"";
  position:absolute;
  left:50%;
  bottom:3px;
  transform:translateX(-50%);
  width:18px;
  height:3px;
  border-radius:2px;
  background:var(--brand);
}

.dock-actions{
  display:flex;
  align-items:center;
  gap:10px;
}

.icon-btn{
  width:40px;
  height:40px;
  border-radius:50%;
  border:1px solid var(--line);
  background:var(--surface);
  color:var(--ink);
  display:inline-flex;
  align-items:center;
  justify-content:center;
  cursor:pointer;
  transition:.2s ease;
}

.icon-btn:hover{background:var(--ink);color:#fff;border-color:var(--ink);}

.dock-toggle{display:none;}

/* ---------- 按钮 ---------- */
.btn-main,.btn-ghost{
  display:inline-flex;
  align-items:center;
  gap:10px;
  padding:15px 28px;
  font-size:15px;
  font-weight:700;
  border-radius:var(--radius-btn);
  border:1px solid var(--ink);
  cursor:pointer;
  transition:transform .22s ease,background .22s ease,color .22s ease,box-shadow .22s ease;
}

.btn-main{background:var(--ink);color:#fff;}
.btn-main:hover{background:var(--brand);color:var(--ink);transform:translateY(-2px);box-shadow:var(--shadow-md);}
.btn-main i{transition:transform .22s ease;}
.btn-main:hover i{transform:translateX(4px);}

.btn-ghost{background:transparent;color:var(--ink);}
.btn-ghost:hover{background:var(--ink);color:#fff;transform:translateY(-2px);}

.btn-sm{padding:11px 20px;font-size:14px;}

/* ---------- Hero ---------- */
.page-hero{
  position:relative;
  padding:186px 0 96px;
  background-color:var(--bg);
  background-image:linear-gradient(100deg,rgba(247,246,242,.96) 0%,rgba(247,246,242,.86) 46%,rgba(247,246,242,.55) 100%),url("/assets/images/backpic/back-1.png");
  background-size:cover;
  background-position:center;
  overflow:hidden;
}

.page-hero::after{
  content:"";
  position:absolute;
  inset:0;
  background-image:linear-gradient(rgba(16,17,18,.045) 1px,transparent 1px),linear-gradient(90deg,rgba(16,17,18,.045) 1px,transparent 1px);
  background-size:64px 64px;
  mask-image:linear-gradient(180deg,rgba(0,0,0,.7),transparent 82%);
  -webkit-mask-image:linear-gradient(180deg,rgba(0,0,0,.7),transparent 82%);
  pointer-events:none;
}

.page-hero .container{position:relative;z-index:2;}

.hero-inner{max-width:880px;}

.page-hero h1{
  font-size:clamp(36px,5vw,64px);
  line-height:1.1;
  margin:22px 0 22px;
}

.page-hero .lead{
  font-size:19px;
  color:var(--muted);
  line-height:1.85;
  max-width:660px;
}

.hero-cta{
  display:flex;
  flex-wrap:wrap;
  gap:14px;
  margin-top:34px;
}

.hero-meta{
  display:flex;
  flex-wrap:wrap;
  gap:12px 28px;
  margin-top:38px;
  padding-top:26px;
  border-top:1px solid var(--line);
}

.hero-meta li{
  display:flex;
  align-items:center;
  gap:9px;
  font-size:14px;
  font-weight:600;
  color:var(--muted);
}

.hero-meta i{color:var(--brand-2);font-size:14px;}

/* ---------- 数据条 ---------- */
.stats{
  background:var(--dark);
  color:var(--dark-ink);
  padding:64px 0;
  position:relative;
  overflow:hidden;
}

.stats::before{
  content:"";
  position:absolute;
  inset:0;
  background-image:linear-gradient(rgba(248,248,244,.05) 1px,transparent 1px),linear-gradient(90deg,rgba(248,248,244,.05) 1px,transparent 1px);
  background-size:56px 56px;
  pointer-events:none;
}

.stats .container{position:relative;z-index:2;}

.stats-grid{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:28px;
}

.stat-item{
  padding-right:24px;
  border-right:1px solid rgba(248,248,244,.12);
}

.stat-item:last-child{border-right:0;padding-right:0;}

.stat-num{
  font-size:clamp(34px,4vw,52px);
  font-weight:800;
  line-height:1;
  letter-spacing:-.03em;
  color:var(--brand);
  font-variant-numeric:tabular-nums;
}

.stat-num span{font-size:20px;margin-left:4px;color:var(--dark-ink);font-weight:700;}

.stat-label{
  margin-top:12px;
  font-size:15px;
  font-weight:700;
  color:var(--dark-ink);
}

.stat-desc{
  margin-top:6px;
  font-size:13.5px;
  color:rgba(248,248,244,.62);
  line-height:1.7;
}

/* ---------- 功能矩阵 ---------- */
.matrix{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:22px;
}

.fm-item{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  padding:30px 28px;
  display:flex;
  flex-direction:column;
  gap:12px;
  transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
}

.fm-item:hover{
  transform:translateY(-4px);
  box-shadow:var(--shadow-md);
  border-color:#D6D2C6;
}

.fm-num{
  font-size:13px;
  font-weight:800;
  letter-spacing:.1em;
  color:var(--muted);
}

.fm-item h3{
  font-size:21px;
  line-height:1.35;
}

.fm-item p{
  font-size:15px;
  color:var(--muted);
  line-height:1.8;
}

.fm-tags{
  display:flex;
  flex-wrap:wrap;
  gap:8px;
  margin-top:auto;
  padding-top:8px;
}

.tag{
  font-size:12.5px;
  font-weight:700;
  padding:5px 12px;
  border-radius:var(--radius-btn);
  background:#F1EFE9;
  color:var(--muted);
  border:1px solid var(--line);
}

.fm-item.lead{
  grid-column:span 2;
  grid-row:span 2;
  padding:0;
  overflow:hidden;
  background:var(--dark);
  color:var(--dark-ink);
  border-color:var(--dark);
}

.fm-item.lead .lead-media{
  position:relative;
  height:250px;
  overflow:hidden;
}

.fm-item.lead .lead-media img{
  width:100%;
  height:100%;
  object-fit:cover;
  transition:transform .5s ease;
}

.fm-item.lead:hover .lead-media img{transform:scale(1.04);}

.fm-item.lead .lead-media::after{
  content:"";
  position:absolute;
  inset:0;
  background:linear-gradient(180deg,rgba(12,13,12,0) 30%,rgba(12,13,12,.78) 100%);
}

.fm-item.lead .lead-body{
  padding:32px 34px 36px;
  display:flex;
  flex-direction:column;
  gap:14px;
  flex:1;
}

.fm-item.lead .fm-num{color:var(--brand);}

.fm-item.lead h3{
  color:var(--dark-ink);
  font-size:clamp(24px,2.4vw,32px);
  line-height:1.3;
}

.fm-item.lead p{color:rgba(248,248,244,.72);font-size:16px;}

.fm-item.lead .tag{
  background:rgba(248,248,244,.08);
  border-color:rgba(248,248,244,.16);
  color:rgba(248,248,244,.8);
}

.lead-link{
  display:inline-flex;
  align-items:center;
  gap:8px;
  margin-top:6px;
  font-size:14px;
  font-weight:700;
  color:var(--brand);
}

.lead-link i{transition:transform .22s ease;}

.fm-item.lead:hover .lead-link i{transform:translateX(5px);}

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

.steps-layout{
  display:grid;
  grid-template-columns:minmax(0,0.86fr) minmax(0,1.4fr);
  gap:72px;
  align-items:start;
}

.steps-intro{position:sticky;top:120px;}

.steps-intro h2{
  font-size:clamp(30px,3.2vw,44px);
  line-height:1.2;
  margin:20px 0 18px;
}

.steps-intro p{color:var(--muted);margin-bottom:28px;}

.steps-list{
  display:flex;
  flex-direction:column;
  gap:14px;
}

.step-row{
  display:grid;
  grid-template-columns:78px 1fr auto;
  gap:22px;
  align-items:center;
  padding:26px 26px 26px 20px;
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  background:var(--bg);
  transition:transform .22s ease,background .22s ease,border-color .22s ease,box-shadow .22s ease;
}

.step-row:hover{
  background:#F1EFE9;
  transform:translateX(4px);
  border-color:#D6D2C6;
  box-shadow:var(--shadow-sm);
}

.step-index{
  font-size:24px;
  font-weight:800;
  letter-spacing:-.03em;
  color:var(--ink);
  background:var(--brand);
  border-radius:16px;
  height:64px;
  display:flex;
  align-items:center;
  justify-content:center;
}

.step-body h3{font-size:19px;margin-bottom:6px;}

.step-body p{font-size:15px;color:var(--muted);line-height:1.78;}

.step-row > i{color:var(--muted);font-size:15px;transition:transform .22s ease,color .22s ease;}

.step-row:hover > i{color:var(--ink);transform:translateX(4px);}

/* ---------- FAQ ---------- */
.faq-layout{
  display:grid;
  grid-template-columns:minmax(0,0.8fr) minmax(0,1.5fr);
  gap:64px;
  align-items:start;
}

.faq-aside h2{
  font-size:clamp(30px,3.2vw,44px);
  line-height:1.2;
  margin:20px 0 18px;
}

.faq-aside p{color:var(--muted);margin-bottom:26px;}

.faq-aside .aside-card{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  padding:24px 24px;
  box-shadow:var(--shadow-sm);
}

.faq-aside .aside-card strong{display:block;font-size:16px;margin-bottom:8px;}

.faq-aside .aside-card span{font-size:14px;color:var(--muted);line-height:1.75;display:block;}

.faq .accordion-item{
  background:transparent;
  border:0;
  border-bottom:1px solid var(--line);
  border-radius:0;
}

.faq .accordion-button{
  background:transparent;
  box-shadow:none;
  font-size:18px;
  font-weight:700;
  color:var(--ink);
  padding:24px 46px 24px 0;
  line-height:1.55;
  transition:color .2s ease,padding-left .2s ease;
}

.faq .accordion-button:not(.collapsed){
  color:var(--ink);
  background:transparent;
  box-shadow:none;
  padding-left:18px;
}

.faq .accordion-button:not(.collapsed)::before{
  content:"";
  position:absolute;
  left:0;
  top:24px;
  bottom:24px;
  width:3px;
  border-radius:3px;
  background:var(--brand);
}

.faq .accordion-button:focus{
  box-shadow:none;
  border-color:transparent;
  outline:2px solid var(--ink);
  outline-offset:2px;
}

.faq .accordion-button::after{
  content:"\f078";
  font-family:"Font Awesome 6 Free";
  font-weight:900;
  background-image:none;
  width:30px;
  height:30px;
  border-radius:50%;
  background:var(--surface);
  border:1px solid var(--line);
  color:var(--muted);
  font-size:12px;
  display:flex;
  align-items:center;
  justify-content:center;
  margin-left:auto;
  transition:transform .25s ease,background .25s ease,color .25s ease;
}

.faq .accordion-button:not(.collapsed)::after{
  transform:rotate(180deg);
  background:var(--ink);
  color:var(--brand);
  border-color:var(--ink);
}

.faq .accordion-body{
  padding:0 46px 26px 0;
  font-size:15.5px;
  color:var(--muted);
  line-height:1.85;
}

.faq .accordion-button:not(.collapsed) + .accordion-collapse .accordion-body{padding-left:18px;}

/* ---------- CTA ---------- */
.cta-section{padding:0 0 104px;}

.cta-box{
  position:relative;
  overflow:hidden;
  background:var(--dark);
  color:var(--dark-ink);
  border-radius:32px;
  padding:72px 64px;
  display:grid;
  grid-template-columns:minmax(0,1.35fr) minmax(0,1fr);
  gap:48px;
  align-items:center;
}

.cta-box::before{
  content:"";
  position:absolute;
  right:-120px;
  top:-120px;
  width:420px;
  height:420px;
  border-radius:50%;
  background:radial-gradient(circle,rgba(200,255,46,.28),rgba(200,255,46,0) 68%);
  pointer-events:none;
}

.cta-box h2{
  color:var(--dark-ink);
  font-size:clamp(28px,3.2vw,44px);
  line-height:1.2;
  margin-bottom:18px;
}

.cta-box p{color:rgba(248,248,244,.72);font-size:16.5px;max-width:560px;}

.cta-actions{
  position:relative;
  z-index:2;
  display:flex;
  flex-direction:column;
  gap:14px;
}

.cta-actions .btn-main{
  background:var(--brand);
  color:var(--ink);
  border-color:var(--brand);
  justify-content:center;
}

.cta-actions .btn-main:hover{background:#fff;border-color:#fff;color:var(--ink);}

.cta-actions .btn-ghost{
  color:var(--dark-ink);
  border-color:rgba(248,248,244,.3);
  justify-content:center;
}

.cta-actions .btn-ghost:hover{background:var(--dark-ink);color:var(--ink);border-color:var(--dark-ink);}

.cta-note{
  font-size:13px;
  color:rgba(248,248,244,.55);
  text-align:center;
}

/* ---------- 页脚 ---------- */
.site-footer{
  background:var(--dark);
  color:var(--dark-ink);
  padding:76px 0 28px;
  position:relative;
}

.site-footer::before{
  content:"";
  position:absolute;
  top:0;
  left:0;
  right:0;
  height:2px;
  background:linear-gradient(90deg,var(--brand),rgba(200,255,46,0) 78%);
}

.footer-grid{
  display:grid;
  grid-template-columns:1.5fr 1fr 1fr 1.2fr;
  gap:44px;
  padding-bottom:48px;
}

.footer-brand .logo{
  display:flex;
  align-items:center;
  gap:12px;
  font-size:17px;
  font-weight:800;
  line-height:1.28;
  margin-bottom:20px;
}

.footer-brand .mark{background:var(--brand);color:var(--ink);}

.footer-brand p{
  font-size:14.5px;
  color:rgba(248,248,244,.66);
  line-height:1.85;
  max-width:330px;
}

.footer-col h4{
  color:var(--dark-ink);
  font-size:15px;
  font-weight:700;
  margin-bottom:18px;
  letter-spacing:.02em;
}

.footer-col ul{display:flex;flex-direction:column;gap:11px;}

.footer-col a{
  font-size:14.5px;
  color:rgba(248,248,244,.66);
}

.footer-col a:hover{color:var(--brand);}

.footer-contact li{
  display:flex;
  align-items:flex-start;
  gap:10px;
  font-size:14.5px;
  color:rgba(248,248,244,.66);
}

.footer-contact i{color:var(--brand);margin-top:5px;font-size:13px;}

.footer-bottom{
  display:flex;
  flex-wrap:wrap;
  justify-content:space-between;
  gap:14px;
  padding-top:24px;
  border-top:1px solid rgba(248,248,244,.12);
  font-size:13.5px;
  color:rgba(248,248,244,.55);
}

.footer-bottom a{color:rgba(248,248,244,.78);}
.footer-bottom a:hover{color:var(--brand);}

/* ---------- 动效 ---------- */
[data-reveal]{
  opacity:0;
  transform:translateY(16px);
  transition:opacity .6s ease,transform .6s ease;
}

[data-reveal].is-visible{opacity:1;transform:none;}

/* ---------- 响应式 ---------- */
@media (max-width:1399px){
  .container{max-width:1180px;}
}

@media (max-width:1199px){
  .steps-layout,.faq-layout{gap:48px;}
  .cta-box{padding:56px 44px;}
}

@media (max-width:991px){
  .section{padding:80px 0;}
  .dock-nav{
    position:absolute;
    top:78px;
    left:0;
    right:0;
    flex-direction:column;
    align-items:stretch;
    gap:6px;
    background:var(--surface);
    border:1px solid var(--line);
    border-radius:24px;
    padding:16px;
    box-shadow:var(--shadow-md);
    display:none;
  }
  .dock.menu-open .dock-nav{display:flex;}
  .dock.menu-open{border-radius:26px;}
  .dock-nav a{font-size:17px;padding:14px 16px;}
  .dock-nav a.active::after{display:none;}
  .dock-toggle{display:inline-flex;}
  .dock{align-items:center;}
  .dock-actions .btn-main{display:none;}
  .page-hero{padding:150px 0 80px;}
  .matrix{grid-template-columns:repeat(2,1fr);}
  .fm-item.lead{grid-column:span 2;grid-row:auto;}
  .fm-item.lead .lead-media{height:220px;}
  .steps-layout,.faq-layout,.cta-box{grid-template-columns:1fr;}
  .steps-intro{position:static;}
  .stats-grid{grid-template-columns:repeat(2,1fr);gap:32px 24px;}
  .stat-item:nth-child(2){border-right:0;}
  .stat-item:nth-child(1),.stat-item:nth-child(2){padding-bottom:24px;border-bottom:1px solid rgba(248,248,244,.12);}
  .footer-grid{grid-template-columns:repeat(2,1fr);gap:36px;}
}

@media (max-width:767px){
  body{font-size:16px;}
  .section{padding:62px 0;}
  .container{padding-left:18px;padding-right:18px;}
  .page-hero{padding:132px 0 64px;}
  .page-hero .lead{font-size:17px;}
  .hero-cta{flex-direction:column;align-items:stretch;}
  .hero-cta .btn-main,.hero-cta .btn-ghost{justify-content:center;}
  .matrix{grid-template-columns:1fr;}
  .fm-item.lead{grid-column:span 1;}
  .step-row{grid-template-columns:60px 1fr;gap:16px;padding:22px 18px;}
  .step-row > i{display:none;}
  .step-index{height:56px;font-size:20px;border-radius:14px;}
  .cta-box{padding:40px 24px;border-radius:24px;}
  .cta-section{padding-bottom:70px;}
  .footer-grid{grid-template-columns:1fr;gap:32px;}
  .footer-bottom{flex-direction:column;}
  .faq .accordion-button{font-size:16.5px;}
}

@media (max-width:519px){
  .dock{padding:0 10px 0 14px;height:62px;}
  .dock-logo{font-size:14.5px;}
  .mark{width:30px;height:30px;border-radius:10px;font-size:13px;}
  .icon-btn{width:36px;height:36px;}
  .stats-grid{grid-template-columns:1fr;}
  .stat-item{border-right:0;padding-right:0;}
}

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

/* roulang page: category2 */
:root{
  --bg:#F7F6F2;
  --surface:#FFFFFF;
  --ink:#101112;
  --muted:#63676D;
  --line:#E5E2D9;
  --brand:#C8FF2E;
  --brand-2:#7C5CFF;
  --accent:#FF6B35;
  --dark:#0C0D0C;
  --dark-ink:#F8F8F4;
  --radius-card:22px;
  --radius-btn:999px;
  --radius-input:14px;
  --shadow-sm:0 4px 16px rgba(16,17,18,.06);
  --shadow-md:0 12px 32px rgba(16,17,18,.10);
  --container:1240px;
  --ease:cubic-bezier(.2,.7,.3,1);
}

*{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--bg);
  color:var(--ink);
  font-family:"MiSans","HarmonyOS Sans SC","Noto Sans SC","PingFang SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  font-size:17px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;}
button{font:inherit;cursor:pointer;}
h1,h2,h3,h4{margin:0;font-weight:800;letter-spacing:-.02em;}
p{margin:0;}
ul{margin:0;padding:0;list-style:none;}
::selection{background:var(--brand);color:var(--ink);}

.container,
.container-fluid{
  width:100%;
  max-width:var(--container);
  margin:0 auto;
  padding-left:20px;
  padding-right:20px;
}

/* ============ 浮动 Dock 导航 ============ */
.dock-wrap{
  position:fixed;
  top:20px;left:0;right:0;
  z-index:1040;
  display:flex;
  justify-content:center;
  padding:0 16px;
  transition:top .28s var(--ease);
  pointer-events:none;
}
.dock-wrap.is-scrolled{top:12px;}
.dock{
  pointer-events:auto;
  width:min(1180px,100%);
  height:68px;
  display:flex;
  align-items:center;
  gap:18px;
  padding:0 10px 0 20px;
  background:rgba(255,255,255,.94);
  backdrop-filter:saturate(180%) blur(16px);
  -webkit-backdrop-filter:saturate(180%) blur(16px);
  border:1px solid var(--line);
  border-radius:999px;
  box-shadow:var(--shadow-sm);
  transition:height .28s var(--ease),box-shadow .28s var(--ease);
  position:relative;
}
.dock.is-scrolled{height:60px;box-shadow:var(--shadow-md);}
.dock-logo{
  display:flex;
  align-items:center;
  gap:10px;
  font-weight:800;
  font-size:16px;
  letter-spacing:-.01em;
  white-space:nowrap;
}
.dock-logo .mark{
  width:34px;height:34px;
  border-radius:12px;
  background:var(--ink);
  color:var(--brand);
  display:grid;place-items:center;
  font-size:15px;
  flex:none;
}
.dock-nav{
  display:flex;
  align-items:center;
  gap:4px;
  margin:0 auto;
}
.dock-nav a{
  position:relative;
  padding:8px 14px;
  border-radius:999px;
  font-size:15px;
  color:var(--muted);
  transition:color .2s var(--ease),background .2s var(--ease);
  white-space:nowrap;
}
.dock-nav a:hover{color:var(--ink);background:#F1EFE8;}
.dock-nav a.active{color:var(--ink);font-weight:700;}
.dock-nav a.active::after{
  content:"";
  position:absolute;
  left:50%;bottom:1px;
  transform:translateX(-50%);
  width:5px;height:5px;
  border-radius:50%;
  background:var(--brand);
}
.dock-actions{display:flex;align-items:center;gap:8px;flex:none;}
.icon-btn{
  width:40px;height:40px;
  border-radius:50%;
  border:1px solid var(--line);
  background:#fff;
  color:var(--ink);
  display:grid;place-items:center;
  transition:.22s var(--ease);
}
.icon-btn:hover{background:var(--ink);color:#fff;border-color:var(--ink);}
.icon-btn:focus-visible{outline:2px solid var(--brand);outline-offset:2px;}
.dock-toggle{display:none;}

/* ============ 按钮 ============ */
.btn-main{
  display:inline-flex;
  align-items:center;
  gap:8px;
  background:var(--ink);
  color:#fff;
  border:1px solid var(--ink);
  border-radius:var(--radius-btn);
  padding:13px 24px;
  font-size:15px;
  font-weight:600;
  transition:background .22s var(--ease),color .22s var(--ease),border-color .22s var(--ease),transform .22s var(--ease);
}
.btn-main i{transition:transform .22s var(--ease);}
.btn-main:hover{background:var(--brand);color:var(--ink);border-color:var(--brand);transform:translateY(-2px);}
.btn-main:hover i{transform:translateX(4px);}
.btn-main:focus-visible{outline:2px solid var(--brand);outline-offset:3px;}
.btn-main.btn-sm{padding:9px 16px;font-size:14px;}
.btn-ghost{
  display:inline-flex;
  align-items:center;
  gap:8px;
  background:transparent;
  color:var(--ink);
  border:1px solid var(--ink);
  border-radius:var(--radius-btn);
  padding:13px 24px;
  font-size:15px;
  font-weight:600;
  transition:.22s var(--ease);
}
.btn-ghost:hover{background:var(--ink);color:#fff;transform:translateY(-2px);}
.btn-ghost:focus-visible{outline:2px solid var(--brand);outline-offset:3px;}
.btn-light{
  display:inline-flex;
  align-items:center;
  gap:8px;
  background:#fff;
  color:var(--ink);
  border:1px solid #fff;
  border-radius:var(--radius-btn);
  padding:13px 24px;
  font-size:15px;
  font-weight:600;
  transition:.22s var(--ease);
}
.btn-light:hover{background:var(--brand);border-color:var(--brand);transform:translateY(-2px);}
.btn-outline-light2{
  display:inline-flex;
  align-items:center;
  gap:8px;
  background:transparent;
  color:var(--dark-ink);
  border:1px solid rgba(255,255,255,.28);
  border-radius:var(--radius-btn);
  padding:13px 24px;
  font-size:15px;
  font-weight:600;
  transition:.22s var(--ease);
}
.btn-outline-light2:hover{background:rgba(255,255,255,.12);border-color:rgba(255,255,255,.6);transform:translateY(-2px);}

/* ============ 内页 Hero ============ */
.page-hero{
  position:relative;
  overflow:hidden;
  background:var(--dark);
  color:var(--dark-ink);
  padding:156px 0 118px;
}
.page-hero-bg{
  position:absolute;inset:0;
  background-size:cover;
  background-position:center;
  opacity:.32;
}
.page-hero::after{
  content:"";
  position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(12,13,12,.78) 0%,rgba(12,13,12,.9) 58%,#0C0D0C 100%);
}
.page-hero-inner{position:relative;z-index:2;}
.crumb{
  display:flex;
  align-items:center;
  gap:10px;
  font-size:14px;
  color:rgba(248,248,244,.6);
  margin-bottom:24px;
}
.crumb a{transition:color .2s;}
.crumb a:hover{color:var(--brand);}
.crumb .sep{color:rgba(248,248,244,.35);}
.page-hero h1{
  font-size:clamp(34px,4.8vw,60px);
  line-height:1.12;
  letter-spacing:-.02em;
  max-width:22ch;
  margin-bottom:22px;
}
.page-hero .hero-sub{
  font-size:18px;
  line-height:1.85;
  color:rgba(248,248,244,.74);
  max-width:62ch;
  margin-bottom:32px;
}
.hero-tags{display:flex;flex-wrap:wrap;gap:10px;}
.hero-tags span{
  border:1px solid rgba(255,255,255,.18);
  border-radius:999px;
  padding:7px 16px;
  font-size:14px;
  color:rgba(248,248,244,.82);
}

/* ============ 筛选条 ============ */
.filter-section{position:relative;z-index:5;margin-top:-56px;}
.filter-bar{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:26px;
  box-shadow:var(--shadow-md);
  padding:20px 24px;
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:16px 26px;
}
.filter-group{display:flex;align-items:center;gap:8px;flex-wrap:wrap;}
.filter-label{font-size:13px;color:var(--muted);letter-spacing:.08em;}
.chip{
  border:1px solid var(--line);
  background:#fff;
  border-radius:999px;
  padding:7px 15px;
  font-size:14px;
  color:var(--muted);
  transition:.2s var(--ease);
}
.chip:hover{border-color:var(--ink);color:var(--ink);}
.chip.active{background:var(--ink);border-color:var(--ink);color:#fff;}
.chip:focus-visible{outline:2px solid var(--brand);outline-offset:2px;}
.filter-search{margin-left:auto;position:relative;}
.filter-search input{
  width:250px;
  height:44px;
  border:1px solid var(--line);
  border-radius:999px;
  padding:0 44px 0 18px;
  font-size:14px;
  background:#FAF9F5;
  transition:.2s var(--ease);
  color:var(--ink);
}
.filter-search input::placeholder{color:#9A9C9F;}
.filter-search input:focus{
  outline:none;
  border-color:var(--ink);
  background:#fff;
  box-shadow:0 0 0 3px rgba(200,255,46,.5);
}
.filter-search i{
  position:absolute;
  right:18px;top:50%;
  transform:translateY(-50%);
  font-size:14px;
  color:var(--muted);
  pointer-events:none;
}

/* ============ 通用板块 ============ */
.section{padding:104px 0;}
.section-tight{padding:78px 0;}
.section-head{
  display:flex;
  align-items:flex-end;
  justify-content:space-between;
  gap:32px;
  flex-wrap:wrap;
  margin-bottom:52px;
}
.section-head h2{
  font-size:clamp(28px,3.4vw,44px);
  line-height:1.18;
  max-width:24ch;
}
.section-head p{
  font-size:16px;
  color:var(--muted);
  max-width:52ch;
  margin-top:14px;
}
.section-kicker{
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-size:13px;
  letter-spacing:.14em;
  color:var(--muted);
  margin-bottom:16px;
}
.section-kicker::before{
  content:"";
  width:20px;height:2px;
  border-radius:2px;
  background:var(--brand);
}

/* ============ 资源卡片 ============ */
.res-grid{
  display:grid;
  grid-template-columns:repeat(3,minmax(0,1fr));
  gap:24px;
}
.res-card{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  overflow:hidden;
  display:flex;
  flex-direction:column;
  transition:transform .24s var(--ease),box-shadow .24s var(--ease),border-color .24s var(--ease);
}
.res-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);border-color:#DCD7CA;}
.res-thumb{position:relative;aspect-ratio:3/4;overflow:hidden;background:#EDEAE2;}
.res-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .5s var(--ease);}
.res-card:hover .res-thumb img{transform:scale(1.05);}
.res-body{
  padding:20px 20px 22px;
  display:flex;
  flex-direction:column;
  gap:12px;
  flex:1;
}
.res-meta{display:flex;flex-wrap:wrap;gap:8px;align-items:center;font-size:12.5px;}
.tag-soft{
  background:#F1EFE8;
  border-radius:999px;
  padding:4px 11px;
  font-size:12.5px;
  color:#575A5F;
}
.tag-hot{
  background:rgba(255,107,53,.13);
  color:#C0470F;
  border-radius:999px;
  padding:4px 11px;
  font-size:12.5px;
  font-weight:600;
}
.tag-new{
  background:rgba(124,92,255,.12);
  color:#5A3FD6;
  border-radius:999px;
  padding:4px 11px;
  font-size:12.5px;
  font-weight:600;
}
.res-card h3{font-size:21px;line-height:1.35;}
.res-card p{font-size:15px;line-height:1.8;color:var(--muted);}
.link-arrow{
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-size:14.5px;
  font-weight:600;
  color:var(--ink);
  margin-top:auto;
  padding-top:6px;
}
.link-arrow i{font-size:12px;transition:transform .22s var(--ease);}
.link-arrow:hover i{transform:translateX(5px);}
.link-arrow:hover{color:var(--brand-2);}

/* 特色大卡 */
.res-card--feature{
  grid-column:span 2;
  position:relative;
  min-height:400px;
  border:none;
  justify-content:flex-end;
  color:#fff;
  background:var(--dark);
}
.res-card--feature .feat-img{
  position:absolute;inset:0;
  width:100%;height:100%;
  object-fit:cover;
  transition:transform .55s var(--ease);
}
.res-card--feature:hover .feat-img{transform:scale(1.04);}
.res-card--feature .feat-mask{
  position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(12,13,12,.12) 0%,rgba(12,13,12,.86) 76%);
}
.feat-body{
  position:relative;
  z-index:2;
  padding:32px 34px 34px;
  display:flex;
  flex-direction:column;
  gap:14px;
  max-width:620px;
}
.feat-body h3{font-size:clamp(24px,2.4vw,32px);line-height:1.25;}
.feat-body p{font-size:15.5px;line-height:1.85;color:rgba(248,248,244,.78);}
.feat-body .link-arrow{color:#fff;}
.feat-body .link-arrow:hover{color:var(--brand);}
.feat-corner{
  position:absolute;
  top:22px;right:24px;
  z-index:2;
  background:rgba(200,255,46,.92);
  color:var(--dark);
  font-size:12.5px;
  font-weight:700;
  border-radius:999px;
  padding:6px 14px;
}

/* ============ 分页视觉 ============ */
.pager{
  display:flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  margin-top:52px;
  flex-wrap:wrap;
}
.pager a,.pager span{
  min-width:44px;height:44px;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  border:1px solid var(--line);
  border-radius:14px;
  background:#fff;
  font-size:14.5px;
  color:var(--muted);
  padding:0 14px;
  transition:.2s var(--ease);
}
.pager a:hover{border-color:var(--ink);color:var(--ink);}
.pager .current{background:var(--ink);border-color:var(--ink);color:#fff;font-weight:700;}
.pager .dots{border:none;background:transparent;color:#A9ABA6;}

/* ============ 横向图文列表 ============ */
.row-list{
  display:flex;
  flex-direction:column;
  gap:16px;
}
.row-item{
  display:grid;
  grid-template-columns:132px 1fr auto;
  gap:22px;
  align-items:center;
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:20px;
  padding:16px 20px 16px 16px;
  transition:transform .22s var(--ease),box-shadow .22s var(--ease),border-color .22s var(--ease);
}
.row-item:hover{transform:translateX(5px);box-shadow:var(--shadow-sm);border-color:#DCD7CA;}
.row-thumb{
  width:132px;height:96px;
  border-radius:14px;
  overflow:hidden;
  background:#EDEAE2;
}
.row-thumb img{width:100%;height:100%;object-fit:cover;}
.row-main{display:flex;flex-direction:column;gap:8px;}
.row-main h3{font-size:18.5px;line-height:1.4;}
.row-main p{font-size:14.5px;color:var(--muted);line-height:1.75;}
.res-date{font-size:12.5px;color:#9A9C9F;}
.row-arrow{
  width:42px;height:42px;
  border-radius:50%;
  border:1px solid var(--line);
  display:grid;place-items:center;
  color:var(--muted);
  flex:none;
  transition:.22s var(--ease);
}
.row-item:hover .row-arrow{background:var(--brand);border-color:var(--brand);color:var(--ink);}

/* ============ 图文分栏 ============ */
.split{
  display:grid;
  grid-template-columns:1.05fr 1fr;
  gap:64px;
  align-items:center;
}
.split-media{
  border-radius:28px;
  overflow:hidden;
  box-shadow:var(--shadow-md);
  aspect-ratio:4/3;
  background:#EDEAE2;
}
.split-media img{width:100%;height:100%;object-fit:cover;}
.split h2{font-size:clamp(26px,3vw,40px);line-height:1.2;margin-bottom:20px;}
.split .lead{font-size:16.5px;color:var(--muted);margin-bottom:30px;}
.step-list{display:flex;flex-direction:column;gap:20px;}
.step-list li{
  display:grid;
  grid-template-columns:44px 1fr;
  gap:16px;
  align-items:flex-start;
}
.step-num{
  width:44px;height:44px;
  border-radius:14px;
  background:var(--ink);
  color:var(--brand);
  display:grid;place-items:center;
  font-size:14px;
  font-weight:700;
  flex:none;
}
.step-list h3{font-size:17.5px;margin-bottom:6px;}
.step-list p{font-size:15px;color:var(--muted);line-height:1.8;}

/* ============ FAQ ============ */
.faq-wrap{
  display:grid;
  grid-template-columns:.85fr 1.4fr;
  gap:56px;
  align-items:start;
}
.faq-wrap h2{font-size:clamp(26px,3vw,40px);line-height:1.2;margin-bottom:16px;}
.faq-wrap .faq-note{font-size:16px;color:var(--muted);margin-bottom:26px;}
.faq-acc .accordion-item{
  border:1px solid var(--line);
  border-radius:18px;
  background:var(--surface);
  margin-bottom:14px;
  overflow:hidden;
}
.faq-acc .accordion-button{
  background:transparent;
  border:0;
  font-weight:700;
  font-size:17px;
  color:var(--ink);
  padding:22px 24px;
  box-shadow:none;
  border-radius:18px;
  line-height:1.55;
}
.faq-acc .accordion-button:not(.collapsed){background:#FBFAF6;color:var(--ink);}
.faq-acc .accordion-button:focus{box-shadow:0 0 0 3px rgba(200,255,46,.55);border-radius:18px;}
.faq-acc .accordion-button::after{
  background-image:none;
  content:"＋";
  font-size:17px;
  width:auto;height:auto;
  color:var(--muted);
  line-height:1;
  transform:none;
  transition:color .22s var(--ease);
}
.faq-acc .accordion-button:not(.collapsed)::after{content:"－";color:var(--ink);}
.faq-acc .accordion-body{
  position:relative;
  padding:4px 30px 24px 38px;
  font-size:15.5px;
  line-height:1.85;
  color:var(--muted);
}
.faq-acc .accordion-body::before{
  content:"";
  position:absolute;
  left:24px;top:6px;bottom:26px;
  width:3px;
  border-radius:3px;
  background:var(--brand);
}

/* ============ CTA ============ */
.cta-section{padding:20px 0 0;}
.cta-band{
  position:relative;
  overflow:hidden;
  background:var(--dark);
  border-radius:32px;
  padding:66px 60px;
  display:grid;
  grid-template-columns:1.5fr .9fr;
  gap:44px;
  align-items:center;
  color:var(--dark-ink);
}
.cta-band::before{
  content:"";
  position:absolute;
  width:460px;height:460px;
  right:-160px;top:-200px;
  border-radius:50%;
  background:radial-gradient(circle,rgba(200,255,46,.22),transparent 66%);
}
.cta-band-inner{position:relative;z-index:2;}
.cta-band h2{font-size:clamp(26px,3.2vw,42px);line-height:1.2;margin-bottom:18px;max-width:22ch;}
.cta-band p{font-size:16px;color:rgba(248,248,244,.72);max-width:52ch;}
.cta-actions{
  position:relative;z-index:2;
  display:flex;
  flex-wrap:wrap;
  gap:14px;
  justify-content:flex-end;
}

/* ============ 页脚 ============ */
.site-footer{
  background:var(--dark);
  color:rgba(248,248,244,.7);
  padding:84px 0 28px;
  margin-top:110px;
  position:relative;
}
.site-footer::before{
  content:"";
  position:absolute;
  top:0;left:0;right:0;height:3px;
  background:linear-gradient(90deg,var(--brand),var(--brand-2));
}
.footer-grid{
  display:grid;
  grid-template-columns:1.6fr 1fr 1fr 1.25fr;
  gap:40px;
}
.footer-brand .logo{
  display:flex;
  align-items:center;
  gap:12px;
  font-size:20px;
  font-weight:800;
  color:#fff;
  line-height:1.25;
  letter-spacing:-.01em;
}
.footer-brand .mark{
  width:42px;height:42px;
  border-radius:14px;
  background:var(--brand);
  color:var(--dark);
  display:grid;place-items:center;
  font-size:17px;
  flex:none;
}
.footer-brand p{
  margin-top:20px;
  font-size:14.5px;
  line-height:1.9;
  max-width:36ch;
  color:rgba(248,248,244,.62);
}
.footer-col h4{
  font-size:15px;
  color:#fff;
  margin-bottom:18px;
  font-weight:700;
  letter-spacing:0;
}
.footer-col ul{display:flex;flex-direction:column;gap:11px;font-size:14.5px;}
.footer-col a{transition:color .2s var(--ease);}
.footer-col a:hover{color:var(--brand);}
.footer-contact li{display:flex;gap:10px;align-items:flex-start;line-height:1.7;}
.footer-contact i{color:var(--brand);margin-top:6px;font-size:12.5px;flex:none;}
.footer-bottom{
  margin-top:58px;
  padding-top:22px;
  border-top:1px solid rgba(255,255,255,.1);
  display:flex;
  justify-content:space-between;
  gap:14px;
  flex-wrap:wrap;
  font-size:13.5px;
  color:rgba(248,248,244,.55);
}
.footer-bottom a{color:rgba(248,248,244,.78);transition:color .2s;}
.footer-bottom a:hover{color:var(--brand);}

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

/* ============ 响应式 ============ */
@media (max-width:1399px){
  .container{max-width:1180px;}
}
@media (max-width:1199px){
  .dock-actions .icon-btn:first-of-type{display:none;}
  .split{gap:44px;}
}
@media (max-width:991px){
  .dock{padding:0 10px 0 16px;}
  .dock-nav{
    position:absolute;
    top:calc(100% + 10px);
    left:0;right:0;
    display:none;
    flex-direction:column;
    align-items:stretch;
    gap:4px;
    margin:0;
    padding:12px;
    background:#fff;
    border:1px solid var(--line);
    border-radius:24px;
    box-shadow:var(--shadow-md);
  }
  .dock-nav.open{display:flex;}
  .dock-nav a{padding:14px 16px;font-size:17px;border-radius:16px;}
  .dock-nav a.active::after{display:none;}
  .dock-nav a.active{background:#F1EFE8;}
  .dock-toggle{display:grid;}
  .dock-actions .btn-main{display:none;}
  .page-hero{padding:140px 0 96px;}
  .res-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .res-card--feature{grid-column:span 2;min-height:340px;}
  .split{grid-template-columns:1fr;}
  .split-media{order:-1;}
  .faq-wrap{grid-template-columns:1fr;gap:32px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:36px;}
  .cta-band{grid-template-columns:1fr;padding:52px 40px;}
  .cta-actions{justify-content:flex-start;}
  .section{padding:84px 0;}
  .filter-search{margin-left:0;width:100%;}
  .filter-search input{width:100%;}
}
@media (max-width:767px){
  body{font-size:16.5px;}
  .dock{height:62px;}
  .dock.is-scrolled{height:58px;}
  .dock-logo span:last-child{font-size:15px;}
  .page-hero{padding:126px 0 84px;}
  .page-hero .hero-sub{font-size:16.5px;}
  .filter-section{margin-top:-40px;}
  .filter-bar{padding:18px;border-radius:22px;}
  .res-grid{grid-template-columns:1fr;}
  .res-card--feature{grid-column:span 1;min-height:320px;}
  .feat-body{padding:26px 24px 28px;}
  .row-item{grid-template-columns:100px 1fr;gap:16px;padding:14px;}
  .row-thumb{width:100px;height:78px;}
  .row-arrow{display:none;}
  .section{padding:68px 0;}
  .section-head{margin-bottom:36px;}
  .footer-grid{grid-template-columns:1fr;gap:32px;}
  .site-footer{margin-top:80px;padding:64px 0 24px;}
  .cta-band{padding:42px 26px;border-radius:26px;}
  .footer-bottom{flex-direction:column;}
}
@media (max-width:520px){
  .dock-logo span:last-child{font-size:14.5px;}
  .dock-actions .btn-sm{padding:8px 12px;font-size:13px;}
  .page-hero h1{font-size:30px;}
  .hero-tags span{font-size:13px;padding:6px 12px;}
  .pager a,.pager span{min-width:40px;height:40px;font-size:13.5px;}
}

@media (prefers-reduced-motion:reduce){
  *{animation:none !important;transition:none !important;scroll-behavior:auto !important;}
  .reveal{opacity:1;transform:none;}
}

/* roulang page: category3 */
:root{
  --bg:#F7F6F2;
  --surface:#FFFFFF;
  --ink:#101112;
  --muted:#63676D;
  --line:#E5E2D9;
  --brand:#C8FF2E;
  --brand-2:#7C5CFF;
  --accent:#FF6B35;
  --dark:#0C0D0C;
  --dark-ink:#F8F8F4;
  --radius-card:22px;
  --radius-btn:999px;
  --radius-input:14px;
  --shadow-sm:0 4px 16px rgba(16,17,18,.06);
  --shadow-md:0 12px 32px rgba(16,17,18,.10);
  --container:1240px;
  --ease:cubic-bezier(.22,.61,.36,1);
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  background:var(--bg);
  color:var(--ink);
  font-family:"MiSans","HarmonyOS Sans SC","Noto Sans SC","PingFang SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:17px;
  line-height:1.8;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;height:auto;}
a{color:inherit;text-decoration:none;transition:color .22s var(--ease),background-color .22s var(--ease),border-color .22s var(--ease);}
a:hover{color:var(--ink);}
ul,ol{margin:0;padding:0;}
li{list-style:none;}
h1,h2,h3,h4{margin:0;font-weight:800;letter-spacing:-.02em;line-height:1.18;}
p{margin:0;}
button{font-family:inherit;}
:focus-visible{outline:2px solid var(--brand);outline-offset:3px;border-radius:6px;}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 20px;}
@media (min-width:1400px){ .container{max-width:1360px;} }

/* ---------- Dock 导航 ---------- */
.dock-wrap{
  position:fixed;top:20px;left:0;right:0;z-index:1030;
  display:flex;justify-content:center;padding:0 16px;
  pointer-events:none;
  transition:top .26s var(--ease);
}
.dock-wrap.is-scrolled{top:12px;}
.dock{
  pointer-events:auto;
  display:flex;align-items:center;gap:20px;
  width:min(1180px,100%);height:68px;
  padding:0 14px 0 20px;
  background:rgba(255,255,255,.94);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  border:1px solid var(--line);
  border-radius:999px;
  box-shadow:var(--shadow-sm);
  transition:height .26s var(--ease),box-shadow .26s var(--ease),background-color .26s var(--ease);
}
.dock-wrap.is-scrolled .dock{height:60px;box-shadow:var(--shadow-md);}
.dock-logo{
  display:flex;align-items:center;gap:10px;
  font-weight:800;font-size:17px;letter-spacing:-.01em;white-space:nowrap;
}
.dock-logo .mark{
  display:inline-flex;align-items:center;justify-content:center;
  width:34px;height:34px;border-radius:12px;
  background:var(--ink);color:var(--brand);font-size:15px;
}
.dock-nav{
  display:flex;align-items:center;gap:4px;margin-left:auto;
}
.dock-nav a{
  position:relative;
  padding:9px 15px;border-radius:999px;
  font-size:15.5px;font-weight:500;color:var(--muted);
}
.dock-nav a:hover{background:#F1EFE8;color:var(--ink);}
.dock-nav a.active{color:var(--ink);font-weight:700;background:#F1EFE8;}
.dock-nav a.active::after{
  content:"";position:absolute;left:50%;bottom:2px;
  width:5px;height:5px;margin-left:-2.5px;border-radius:50%;background:var(--brand-2);
}
.dock-actions{display:flex;align-items:center;gap:8px;}
.icon-btn{
  display:inline-flex;align-items:center;justify-content:center;
  width:40px;height:40px;border-radius:50%;
  background:transparent;border:1px solid transparent;color:var(--ink);
  font-size:15px;cursor:pointer;
  transition:background-color .22s var(--ease),border-color .22s var(--ease),transform .22s var(--ease);
}
.icon-btn:hover{background:#F1EFE8;border-color:var(--line);}
.icon-btn:active{transform:scale(.96);}
.dock-toggle{display:none;}

/* ---------- 按钮 ---------- */
.btn-main,.btn-ghost{
  display:inline-flex;align-items:center;gap:9px;
  padding:14px 26px;border-radius:var(--radius-btn);
  font-size:16px;font-weight:700;line-height:1;
  border:1px solid transparent;cursor:pointer;
  transition:background-color .22s var(--ease),color .22s var(--ease),border-color .22s var(--ease),transform .22s var(--ease),box-shadow .22s var(--ease);
}
.btn-main{background:var(--ink);color:#fff;box-shadow:var(--shadow-sm);}
.btn-main:hover{background:var(--brand);color:var(--ink);transform:translateY(-2px);box-shadow:var(--shadow-md);}
.btn-main i{transition:transform .22s var(--ease);}
.btn-main:hover i{transform:translateX(4px);}
.btn-ghost{background:transparent;color:var(--ink);border-color:var(--ink);}
.btn-ghost:hover{background:var(--ink);color:#fff;transform:translateY(-2px);}
.btn-ghost i{transition:transform .22s var(--ease);}
.btn-ghost:hover i{transform:translateX(4px);}
.btn-sm{padding:11px 20px;font-size:14.5px;}
.link-arrow{
  display:inline-flex;align-items:center;gap:8px;
  font-weight:700;font-size:15.5px;color:var(--ink);
  border-bottom:2px solid var(--brand);padding-bottom:3px;
}
.link-arrow i{transition:transform .22s var(--ease);}
.link-arrow:hover i{transform:translateX(5px);}

/* ---------- 通用板块 ---------- */
.section{padding:110px 0;}
.section-dark{background:var(--dark);color:var(--dark-ink);}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  padding:7px 15px;border-radius:999px;
  background:#fff;border:1px solid var(--line);
  font-size:13.5px;font-weight:700;color:var(--muted);letter-spacing:.02em;
}
.eyebrow .dot{width:7px;height:7px;border-radius:50%;background:var(--brand-2);}
.section-head{max-width:760px;margin-bottom:56px;}
.section-head h2{font-size:clamp(30px,3.4vw,46px);margin-bottom:18px;}
.section-head p{color:var(--muted);font-size:17.5px;line-height:1.85;}
.section-dark .section-head p{color:#A9ADA6;}

/* ---------- Hero ---------- */
.cat-hero{
  position:relative;
  padding:168px 0 78px;
  background:
    radial-gradient(900px 420px at 88% -10%, rgba(200,255,46,.30), transparent 62%),
    linear-gradient(180deg,#FFFFFF 0%, var(--bg) 100%);
  overflow:hidden;
}
.cat-hero::before{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:linear-gradient(rgba(16,17,18,.045) 1px,transparent 1px),linear-gradient(90deg,rgba(16,17,18,.045) 1px,transparent 1px);
  background-size:64px 64px;
  mask-image:linear-gradient(180deg,rgba(0,0,0,.5),transparent 72%);
  -webkit-mask-image:linear-gradient(180deg,rgba(0,0,0,.5),transparent 72%);
}
.hero-grid{position:relative;display:grid;grid-template-columns:minmax(0,1.08fr) minmax(0,.92fr);gap:56px;align-items:center;}
.hero-copy h1{
  font-size:clamp(40px,5.2vw,66px);
  line-height:1.08;letter-spacing:-.025em;
  margin:22px 0 22px;
}
.hero-copy h1 em{
  font-style:normal;
  background:linear-gradient(180deg,transparent 62%,var(--brand) 62%);
  padding:0 3px;
}
.hero-sub{font-size:19px;line-height:1.85;color:var(--muted);max-width:600px;}
.hero-cta{display:flex;flex-wrap:wrap;gap:14px;margin-top:36px;}
.hero-meta{display:flex;flex-wrap:wrap;gap:28px;margin-top:44px;padding-top:26px;border-top:1px solid var(--line);}
.hero-meta div{min-width:120px;}
.hero-meta strong{display:block;font-size:24px;font-weight:800;letter-spacing:-.02em;}
.hero-meta span{font-size:13.5px;color:var(--muted);}
.hero-media{position:relative;}
.hero-media img{
  width:100%;height:380px;object-fit:cover;
  border-radius:28px;border:1px solid var(--line);box-shadow:var(--shadow-md);
}
.hero-tag{
  position:absolute;left:-14px;bottom:26px;
  display:flex;align-items:center;gap:12px;
  padding:14px 20px;border-radius:18px;
  background:#fff;border:1px solid var(--line);box-shadow:var(--shadow-md);
}
.hero-tag i{color:var(--brand-2);font-size:18px;}
.hero-tag b{display:block;font-size:15px;}
.hero-tag small{font-size:12.5px;color:var(--muted);}

/* ---------- 时间线 ---------- */
.timeline{position:relative;padding-left:6px;}
.timeline::before{
  content:"";position:absolute;left:29px;top:12px;bottom:12px;width:2px;
  background:linear-gradient(180deg,var(--brand),var(--line));
}
.tl-item{
  position:relative;display:grid;grid-template-columns:60px minmax(0,1fr);
  gap:26px;padding:0 0 40px;
}
.tl-item:last-child{padding-bottom:0;}
.tl-num{
  position:relative;z-index:2;
  display:flex;align-items:center;justify-content:center;
  width:58px;height:58px;border-radius:18px;
  background:var(--surface);border:1px solid var(--line);
  font-size:16px;font-weight:800;letter-spacing:-.02em;
  box-shadow:var(--shadow-sm);
  transition:background-color .24s var(--ease),color .24s var(--ease),border-color .24s var(--ease);
}
.tl-item:hover .tl-num{background:var(--brand);border-color:var(--brand);}
.tl-body{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-card);
  padding:26px 30px;box-shadow:var(--shadow-sm);
  transition:box-shadow .24s var(--ease),transform .24s var(--ease);
}
.tl-item:hover .tl-body{box-shadow:var(--shadow-md);transform:translateY(-2px);}
.tl-body h3{font-size:22px;margin-bottom:10px;}
.tl-body p{color:var(--muted);font-size:16.5px;}
.tl-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:16px;}
.tag{
  padding:5px 13px;border-radius:999px;
  background:#F1EFE8;border:1px solid var(--line);
  font-size:13px;font-weight:600;color:var(--muted);
}
.tag-brand{background:var(--brand);border-color:var(--brand);color:var(--ink);}

/* ---------- 图文分栏 ---------- */
.split{
  display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);
  gap:64px;align-items:center;
}
.split.reverse .split-media{order:2;}
.split-media img{
  width:100%;height:420px;object-fit:cover;
  border-radius:28px;border:1px solid var(--line);box-shadow:var(--shadow-md);
}
.split-media{position:relative;}
.split-badge{
  position:absolute;right:-12px;top:24px;
  padding:10px 18px;border-radius:999px;
  background:var(--ink);color:#fff;font-size:13.5px;font-weight:700;
  box-shadow:var(--shadow-md);
}
.split-body h2{font-size:clamp(28px,3vw,38px);margin-bottom:20px;}
.split-body > p{color:var(--muted);font-size:17px;margin-bottom:26px;}
.check-list{display:grid;gap:16px;}
.check-list li{
  display:grid;grid-template-columns:26px minmax(0,1fr);gap:14px;
  align-items:start;
}
.check-list i{
  display:flex;align-items:center;justify-content:center;
  width:26px;height:26px;border-radius:50%;
  background:var(--brand);color:var(--ink);font-size:12px;margin-top:4px;
}
.check-list b{display:block;font-size:16.5px;font-weight:700;}
.check-list span{font-size:15.5px;color:var(--muted);}

/* ---------- 速查 ---------- */
.quick-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:22px;}
.quick-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-card);
  padding:28px 30px;box-shadow:var(--shadow-sm);
  transition:border-color .24s var(--ease),box-shadow .24s var(--ease),transform .24s var(--ease);
}
.quick-card:hover{border-color:var(--ink);box-shadow:var(--shadow-md);transform:translateY(-3px);}
.quick-card .qc-top{display:flex;align-items:center;gap:12px;margin-bottom:14px;}
.quick-card .qc-num{
  display:inline-flex;align-items:center;justify-content:center;
  width:36px;height:36px;border-radius:12px;
  background:#F1EFE8;font-size:14px;font-weight:800;
}
.quick-card h3{font-size:20px;}
.quick-card p{color:var(--muted);font-size:16px;}
.quick-card .qc-note{
  display:inline-flex;align-items:center;gap:8px;
  margin-top:18px;font-size:13.5px;font-weight:700;color:var(--brand-2);
}

/* ---------- FAQ ---------- */
.faq-layout{display:grid;grid-template-columns:minmax(0,.8fr) minmax(0,1.2fr);gap:60px;align-items:start;}
.faq-acc .accordion-item{
  background:var(--surface);border:1px solid var(--line);border-radius:18px;margin-bottom:14px;
  overflow:hidden;box-shadow:var(--shadow-sm);
}
.faq-acc .accordion-button{
  background:transparent;color:var(--ink);
  font-size:17.5px;font-weight:700;letter-spacing:-.01em;
  padding:22px 26px 22px 30px;box-shadow:none;border-radius:0;
}
.faq-acc .accordion-button::after{
  background-image:none;
  content:"\f067";font-family:"Font Awesome 6 Free";font-weight:900;
  display:flex;align-items:center;justify-content:center;
  width:28px;height:28px;font-size:12px;color:var(--ink);
  background-color:#F1EFE8;border-radius:50%;
  transition:transform .24s var(--ease),background-color .24s var(--ease);
}
.faq-acc .accordion-button:not(.collapsed){
  background:transparent;color:var(--ink);
}
.faq-acc .accordion-button:not(.collapsed)::after{
  transform:rotate(45deg);background-color:var(--brand);
}
.faq-acc .accordion-button:focus{box-shadow:none;outline:2px solid var(--brand);outline-offset:-4px;}
.faq-acc .accordion-body{
  padding:0 30px 26px;color:var(--muted);font-size:15.8px;line-height:1.85;
  border-left:3px solid var(--brand);margin-left:30px;padding-left:18px;
}
.faq-aside .aside-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-card);
  padding:30px;box-shadow:var(--shadow-sm);margin-top:28px;
}
.faq-aside .aside-card h3{font-size:19px;margin-bottom:12px;}
.faq-aside .aside-card p{color:var(--muted);font-size:15.5px;margin-bottom:18px;}

/* ---------- CTA ---------- */
.cta-band{
  position:relative;overflow:hidden;
  background:var(--dark);color:var(--dark-ink);
  border-radius:32px;padding:68px 60px;
}
.cta-band::after{
  content:"";position:absolute;right:-90px;top:-90px;
  width:340px;height:340px;border-radius:50%;
  background:radial-gradient(circle at 30% 30%, rgba(200,255,46,.42), transparent 68%);
}
.cta-inner{position:relative;z-index:2;display:grid;grid-template-columns:minmax(0,1.2fr) minmax(0,.8fr);gap:44px;align-items:center;}
.cta-inner h2{font-size:clamp(28px,3.2vw,42px);margin-bottom:16px;}
.cta-inner p{color:#B4B8B0;font-size:17px;max-width:600px;}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;justify-content:flex-end;}
.cta-band .btn-main{background:var(--brand);color:var(--ink);}
.cta-band .btn-main:hover{background:#fff;color:var(--ink);}
.cta-band .btn-ghost{border-color:rgba(255,255,255,.42);color:#fff;}
.cta-band .btn-ghost:hover{background:#fff;color:var(--ink);border-color:#fff;}

/* ---------- 页脚 ---------- */
.site-footer{
  position:relative;
  background:var(--dark);color:#A9ADA6;
  padding:78px 0 30px;margin-top:0;
}
.site-footer::before{
  content:"";position:absolute;top:0;left:0;right:0;height:3px;
  background:linear-gradient(90deg,var(--brand),var(--brand-2),var(--accent));
}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.1fr;gap:44px;}
.footer-brand .logo{
  display:flex;align-items:flex-start;gap:12px;
  color:var(--dark-ink);font-weight:800;font-size:19px;line-height:1.3;margin-bottom:20px;
}
.footer-brand .logo .mark{
  display:inline-flex;align-items:center;justify-content:center;
  width:38px;height:38px;flex:none;border-radius:13px;
  background:var(--brand);color:var(--ink);font-size:16px;
}
.footer-brand p{font-size:15px;line-height:1.85;max-width:340px;}
.footer-col h4{color:var(--dark-ink);font-size:16px;margin-bottom:20px;}
.footer-col ul{display:grid;gap:12px;}
.footer-col a{font-size:15px;color:#A9ADA6;}
.footer-col a:hover{color:var(--brand);}
.footer-contact li{display:flex;gap:12px;font-size:15px;align-items:flex-start;}
.footer-contact i{color:var(--brand);margin-top:6px;}
.footer-bottom{
  margin-top:56px;padding-top:24px;border-top:1px solid rgba(255,255,255,.10);
  display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;
  font-size:13.5px;color:#7E827B;
}
.footer-bottom a{color:var(--brand);}

/* ---------- 动效 ---------- */
.reveal{opacity:0;transform:translateY(16px);transition:opacity .62s var(--ease),transform .62s var(--ease);}
.reveal.is-in{opacity:1;transform:none;}
@media (prefers-reduced-motion:reduce){
  *{animation:none !important;transition:none !important;}
  .reveal{opacity:1;transform:none;}
}

/* ---------- 响应式 ---------- */
@media (max-width:1199px){
  .dock-nav a{padding:9px 12px;font-size:15px;}
  .split{gap:44px;}
  .faq-layout{gap:40px;}
}
@media (max-width:991px){
  body{font-size:16.5px;}
  .section{padding:80px 0;}
  .dock{height:62px;padding:0 12px 0 16px;}
  .dock-nav{
    position:absolute;left:0;right:0;top:72px;
    flex-direction:column;align-items:stretch;gap:6px;
    background:#fff;border:1px solid var(--line);border-radius:24px;
    padding:14px;box-shadow:var(--shadow-md);
    display:none;
  }
  .dock.open .dock-nav{display:flex;}
  .dock-nav a{padding:14px 18px;font-size:17px;border-radius:16px;}
  .dock-nav a.active::after{display:none;}
  .dock-toggle{display:inline-flex;}
  .dock .btn-main.btn-sm{display:none;}
  .hero-grid{grid-template-columns:1fr;gap:40px;}
  .hero-media img{height:320px;}
  .cat-hero{padding:140px 0 64px;}
  .split,.split.reverse{grid-template-columns:1fr;gap:34px;}
  .split.reverse .split-media{order:0;}
  .split-media img{height:320px;}
  .quick-grid{grid-template-columns:1fr;}
  .faq-layout{grid-template-columns:1fr;}
  .cta-band{padding:52px 34px;border-radius:26px;}
  .cta-inner{grid-template-columns:1fr;gap:28px;}
  .cta-actions{justify-content:flex-start;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:34px;}
}
@media (max-width:575px){
  .container{padding:0 16px;}
  .section{padding:64px 0;}
  .cat-hero{padding:126px 0 54px;}
  .hero-copy h1{margin:18px 0 16px;}
  .hero-sub{font-size:17px;}
  .hero-meta{gap:20px;}
  .hero-meta strong{font-size:21px;}
  .hero-cta .btn-main,.hero-cta .btn-ghost{width:100%;justify-content:center;}
  .hero-media img{height:250px;}
  .hero-tag{left:10px;right:10px;bottom:12px;padding:12px 16px;}
  .tl-item{grid-template-columns:46px minmax(0,1fr);gap:16px;}
  .tl-num{width:46px;height:46px;border-radius:15px;font-size:14px;}
  .timeline::before{left:23px;}
  .tl-body{padding:22px 20px;}
  .split-media img{height:240px;}
  .split-badge{right:10px;top:14px;}
  .quick-card{padding:24px 22px;}
  .faq-acc .accordion-button{padding:18px 18px 18px 20px;font-size:16.5px;}
  .faq-acc .accordion-body{margin-left:20px;padding:0 20px 22px 16px;}
  .cta-band{padding:40px 22px;}
  .cta-actions{flex-direction:column;}
  .cta-actions .btn-main,.cta-actions .btn-ghost{width:100%;justify-content:center;}
  .footer-grid{grid-template-columns:1fr;}
  .footer-bottom{flex-direction:column;}
}

/* roulang page: category4 */
:root{
  --bg:#F7F6F2;
  --surface:#FFFFFF;
  --ink:#101112;
  --muted:#63676D;
  --line:#E5E2D9;
  --brand:#C8FF2E;
  --brand-2:#7C5CFF;
  --accent:#FF6B35;
  --dark:#0C0D0C;
  --dark-ink:#F8F8F4;
  --radius-card:22px;
  --radius-btn:999px;
  --radius-input:14px;
  --shadow-sm:0 4px 16px rgba(16,17,18,.06);
  --shadow-md:0 12px 32px rgba(16,17,18,.10);
  --container:1240px;
  --ease:200ms cubic-bezier(.4,0,.2,1);
}
*{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  background:var(--bg);
  color:var(--ink);
  font-family:"MiSans","HarmonyOS Sans SC","Noto Sans SC","PingFang SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  font-size:16px;
  line-height:1.8;
  letter-spacing:.01em;
  padding-top:108px;
}
img{max-width:100%;height:auto;display:block;}
a{color:inherit;text-decoration:none;transition:color var(--ease),opacity var(--ease);}
a:hover{color:var(--ink);}
button{font-family:inherit;}
:focus-visible{outline:2px solid var(--brand);outline-offset:3px;border-radius:6px;}
.container{max-width:var(--container);margin:0 auto;padding-left:20px;padding-right:20px;}
h1,h2,h3,h4{font-weight:800;letter-spacing:-.02em;color:var(--ink);}
h1{font-size:clamp(38px,5.4vw,68px);line-height:1.08;}
h2{font-size:clamp(28px,3.2vw,44px);line-height:1.2;}
h3{font-size:clamp(20px,2vw,25px);line-height:1.35;}
p{margin:0 0 1em;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:700;letter-spacing:.14em;text-transform:uppercase;
  color:var(--muted);margin-bottom:16px;
}
.eyebrow::before{content:"";width:22px;height:2px;background:var(--brand);display:inline-block;}
.lede{font-size:17px;color:var(--muted);line-height:1.85;max-width:640px;}

/* ---------- 按钮 ---------- */
.btn-main,.btn-ghost{
  display:inline-flex;align-items:center;gap:10px;
  padding:15px 26px;border-radius:var(--radius-btn);
  font-size:15px;font-weight:700;line-height:1;border:1px solid transparent;
  cursor:pointer;transition:all var(--ease);white-space:nowrap;
}
.btn-main{background:var(--ink);color:#fff;box-shadow:var(--shadow-sm);}
.btn-main:hover{background:var(--brand);color:var(--ink);transform:translateY(-2px);box-shadow:var(--shadow-md);}
.btn-main:hover i{transform:translateX(4px);}
.btn-main i{transition:transform var(--ease);font-size:13px;}
.btn-ghost{background:transparent;color:var(--ink);border-color:var(--ink);}
.btn-ghost:hover{background:var(--ink);color:#fff;transform:translateY(-2px);}
.btn-sm{padding:11px 20px;font-size:14px;}
.btn-block{width:100%;justify-content:center;}

/* ---------- 浮动 Dock 导航 ---------- */
.dock-wrap{
  position:fixed;top:20px;left:0;right:0;z-index:1040;
  display:flex;justify-content:center;padding:0 16px;
  transition:top var(--ease);
}
.dock-wrap.scrolled{top:12px;}
.dock{
  width:min(1180px,100%);
  display:flex;align-items:center;gap:18px;
  height:68px;padding:0 12px 0 20px;
  background:rgba(255,255,255,.92);
  backdrop-filter:blur(14px);
  border:1px solid var(--line);
  border-radius:var(--radius-btn);
  box-shadow:var(--shadow-sm);
  transition:height var(--ease),box-shadow var(--ease);
}
.dock-wrap.scrolled .dock{height:60px;box-shadow:var(--shadow-md);}
.dock-logo{display:flex;align-items:center;gap:10px;font-weight:800;font-size:15px;letter-spacing:-.01em;flex-shrink:0;}
.mark{
  width:32px;height:32px;border-radius:10px;background:var(--ink);color:var(--brand);
  display:inline-flex;align-items:center;justify-content:center;font-size:14px;flex-shrink:0;
}
.dock-nav{display:flex;align-items:center;gap:4px;margin-left:auto;margin-right:auto;}
.dock-nav a{
  position:relative;padding:9px 15px;border-radius:var(--radius-btn);
  font-size:14.5px;font-weight:600;color:var(--muted);
}
.dock-nav a:hover{color:var(--ink);background:#F1EFE9;}
.dock-nav a.active{color:var(--ink);background:#F1EFE9;}
.dock-nav a.active::after{
  content:"";position:absolute;left:50%;bottom:2px;transform:translateX(-50%);
  width:5px;height:5px;border-radius:50%;background:var(--brand);
}
.dock-actions{display:flex;align-items:center;gap:8px;flex-shrink:0;}
.icon-btn{
  width:40px;height:40px;border-radius:50%;border:1px solid var(--line);
  background:#fff;color:var(--ink);display:inline-flex;align-items:center;justify-content:center;
  cursor:pointer;transition:all var(--ease);font-size:14px;
}
.icon-btn:hover{background:var(--ink);color:#fff;border-color:var(--ink);}
.dock-toggle{display:none;}

/* ---------- Hero ---------- */
.hero-inner{position:relative;padding:72px 0 80px;overflow:hidden;}
.hero-bg{
  position:absolute;inset:0;background-size:cover;background-position:center;
  filter:saturate(.85);opacity:.32;
}
.hero-inner::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(100deg,rgba(247,246,242,.96) 0%,rgba(247,246,242,.86) 46%,rgba(247,246,242,.58) 100%);
}
.hero-inner .container{position:relative;z-index:2;}
.hero-grid{display:grid;grid-template-columns:1.25fr .85fr;gap:56px;align-items:center;}
.badge-pill{
  display:inline-flex;align-items:center;gap:8px;
  padding:7px 15px;border-radius:var(--radius-btn);
  background:var(--brand);color:var(--ink);font-size:13px;font-weight:800;letter-spacing:.04em;
  margin-bottom:22px;
}
.hero-inner h1{max-width:760px;margin:0 0 20px;}
.hero-sub{font-size:18px;line-height:1.85;color:var(--muted);max-width:600px;margin-bottom:30px;}
.hero-cta{display:flex;flex-wrap:wrap;gap:12px;margin-bottom:26px;}
.hero-points{list-style:none;padding:0;margin:0;display:flex;flex-wrap:wrap;gap:10px 22px;}
.hero-points li{font-size:14px;color:var(--muted);display:flex;align-items:center;gap:8px;}
.hero-points i{color:var(--brand-2);font-size:12px;}

.support-panel{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-card);
  padding:26px;box-shadow:var(--shadow-md);
}
.support-panel h2{font-size:16px;letter-spacing:0;margin:0 0 18px;font-weight:800;}
.panel-row{
  display:flex;align-items:center;justify-content:space-between;gap:14px;
  padding:14px 0;border-bottom:1px dashed var(--line);
}
.panel-row:last-child{border-bottom:0;padding-bottom:0;}
.panel-row .pr-name{font-size:15px;font-weight:700;}
.panel-row .pr-name small{display:block;font-size:13px;font-weight:500;color:var(--muted);margin-top:2px;}
.status-dot{
  display:inline-flex;align-items:center;gap:7px;font-size:13px;font-weight:700;color:var(--muted);
  background:#F1EFE9;padding:6px 13px;border-radius:var(--radius-btn);white-space:nowrap;
}
.status-dot::before{content:"";width:7px;height:7px;border-radius:50%;background:var(--brand);}
.status-dot.warn::before{background:var(--accent);}
.status-dot.violet::before{background:var(--brand-2);}

/* ---------- 通用板块 ---------- */
section{padding:96px 0;}
.sec-head{margin-bottom:52px;}
.sec-head h2{margin:0 0 16px;max-width:760px;}
.sec-head p{margin:0;color:var(--muted);font-size:17px;max-width:680px;}
.sec-head.center{text-align:center;}
.sec-head.center h2,.sec-head.center p{margin-left:auto;margin-right:auto;}

/* ---------- 支持通道双栏 ---------- */
.channel-grid{display:grid;grid-template-columns:.85fr 1.15fr;gap:56px;align-items:start;}
.channel-side{position:sticky;top:132px;}
.channel-side h2{margin:0 0 18px;}
.channel-side .lede{font-size:16.5px;}
.channel-side img{border-radius:18px;margin-top:28px;aspect-ratio:16/10;object-fit:cover;width:100%;box-shadow:var(--shadow-sm);}
.channel-list{display:grid;gap:16px;}
.channel-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-card);
  padding:26px 28px;transition:all var(--ease);
}
.channel-card:hover{box-shadow:var(--shadow-md);transform:translateX(4px);border-color:#D7D3C6;}
.channel-card .cc-top{display:flex;align-items:center;gap:14px;margin-bottom:12px;}
.cc-icon{
  width:44px;height:44px;border-radius:14px;background:#F1EFE9;color:var(--ink);
  display:inline-flex;align-items:center;justify-content:center;font-size:16px;flex-shrink:0;
}
.channel-card h3{margin:0;font-size:20px;}
.channel-card p{margin:0 0 14px;color:var(--muted);font-size:15.5px;line-height:1.8;}
.tag-row{display:flex;flex-wrap:wrap;gap:8px;}
.tag{
  font-size:12.5px;font-weight:700;padding:5px 12px;border-radius:var(--radius-btn);
  background:#F1EFE9;color:var(--muted);
}
.tag.brand{background:rgba(200,255,46,.45);color:var(--ink);}
.tag.violet{background:rgba(124,92,255,.13);color:#4B36B8;}

/* ---------- 处理流程 ---------- */
.flow{background:var(--dark);color:var(--dark-ink);}
.flow .sec-head h2,.flow .sec-head p{color:var(--dark-ink);}
.flow .sec-head p{color:rgba(248,248,244,.66);}
.flow .eyebrow{color:rgba(248,248,244,.6);}
.flow-list{display:grid;grid-template-columns:repeat(4,1fr);gap:22px;margin-top:8px;}
.flow-item{
  border:1px solid rgba(248,248,244,.14);border-radius:var(--radius-card);
  padding:28px 24px;background:rgba(255,255,255,.03);transition:all var(--ease);
}
.flow-item:hover{background:rgba(200,255,46,.07);border-color:rgba(200,255,46,.36);transform:translateY(-4px);}
.flow-num{
  font-size:13px;font-weight:800;letter-spacing:.16em;color:var(--brand);margin-bottom:16px;
  display:block;
}
.flow-item h3{color:var(--dark-ink);font-size:19px;margin:0 0 10px;}
.flow-item p{margin:0;font-size:14.5px;line-height:1.8;color:rgba(248,248,244,.68);}

/* ---------- 表单区 ---------- */
.form-wrap{display:grid;grid-template-columns:.9fr 1.1fr;gap:48px;align-items:start;}
.info-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-card);
  padding:34px;box-shadow:var(--shadow-sm);
}
.info-card h2{margin:0 0 16px;font-size:clamp(26px,2.6vw,34px);}
.info-card p{color:var(--muted);font-size:15.5px;}
.info-list{list-style:none;padding:0;margin:24px 0 0;display:grid;gap:14px;}
.info-list li{display:flex;gap:12px;font-size:15px;color:var(--ink);}
.info-list i{color:var(--brand-2);margin-top:5px;font-size:13px;}
.info-note{
  margin-top:26px;padding:16px 18px;border-radius:var(--radius-input);
  background:#F1EFE9;font-size:14px;color:var(--muted);line-height:1.75;
}
.form-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-card);
  padding:34px;box-shadow:var(--shadow-md);
}
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px;}
.field{display:flex;flex-direction:column;gap:8px;}
.field.full{grid-column:1 / -1;}
.field label{font-size:14px;font-weight:700;}
.field span.req{color:var(--accent);}
.field input,.field select,.field textarea{
  width:100%;padding:13px 15px;border-radius:var(--radius-input);
  border:1px solid var(--line);background:#fff;color:var(--ink);
  font-size:15px;font-family:inherit;line-height:1.6;
  transition:border-color var(--ease),box-shadow var(--ease);
}
.field textarea{min-height:130px;resize:vertical;}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:none;border-color:var(--brand);box-shadow:0 0 0 4px rgba(200,255,46,.28);
}
.form-foot{display:flex;flex-wrap:wrap;align-items:center;gap:16px;margin-top:24px;}
.form-hint{font-size:13px;color:var(--muted);}
.form-msg{
  display:none;margin-top:18px;padding:14px 18px;border-radius:var(--radius-input);
  font-size:14.5px;font-weight:600;
  background:rgba(200,255,46,.28);border:1px solid rgba(200,255,46,.7);color:#33420A;
}
.form-msg.show{display:block;}

/* ---------- FAQ ---------- */
.faq-wrap{display:grid;grid-template-columns:.8fr 1.2fr;gap:56px;align-items:start;}
.faq-side h2{margin:0 0 18px;}
.faq-side p{color:var(--muted);font-size:16px;}
.faq-side .btn-ghost{margin-top:12px;}
.accordion-item{
  background:var(--surface);border:1px solid var(--line)!important;border-radius:var(--radius-card)!important;
  margin-bottom:14px;overflow:hidden;
}
.accordion-button{
  background:var(--surface)!important;color:var(--ink)!important;
  font-size:17px;font-weight:700;padding:22px 24px;box-shadow:none!important;
  line-height:1.5;
}
.accordion-button:not(.collapsed){color:var(--ink)!important;background:#FBFBF7!important;}
.accordion-button::after{
  display:none;
}
.accordion-button .faq-ico{
  margin-left:auto;font-size:14px;color:var(--muted);transition:transform var(--ease),color var(--ease);
}
.accordion-button:not(.collapsed) .faq-ico{transform:rotate(45deg);color:var(--ink);}
.accordion-body{
  padding:0 24px 24px 24px;font-size:15.5px;line-height:1.85;color:var(--muted);
  border-left:3px solid transparent;
}
.accordion-item:has(.accordion-button:not(.collapsed)){border-left:3px solid var(--brand)!important;}

/* ---------- 联系信息 ---------- */
.contact-band{background:#F1EFE9;border-top:1px solid var(--line);border-bottom:1px solid var(--line);}
.contact-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:28px;margin-top:8px;}
.contact-cell{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-card);
  padding:28px;transition:all var(--ease);
}
.contact-cell:hover{box-shadow:var(--shadow-md);transform:translateY(-4px);}
.contact-cell i{font-size:18px;color:var(--brand-2);margin-bottom:14px;display:block;}
.contact-cell h3{font-size:18px;margin:0 0 8px;}
.contact-cell p{margin:0;font-size:15px;color:var(--muted);line-height:1.8;}
.contact-cell strong{color:var(--ink);}

/* ---------- CTA ---------- */
.cta-band{background:var(--dark);color:var(--dark-ink);border-radius:32px;padding:64px 56px;text-align:center;margin:0 auto;max-width:var(--container);}
.cta-band h2{color:var(--dark-ink);margin:0 0 16px;}
.cta-band p{color:rgba(248,248,244,.7);max-width:600px;margin:0 auto 30px;font-size:17px;}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;justify-content:center;}
.cta-band .btn-main{background:var(--brand);color:var(--ink);}
.cta-band .btn-main:hover{background:#fff;color:var(--ink);}
.cta-band .btn-ghost{border-color:rgba(248,248,244,.5);color:var(--dark-ink);}
.cta-band .btn-ghost:hover{background:var(--dark-ink);color:var(--dark);}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--dark);color:var(--dark-ink);padding:76px 0 30px;margin-top:96px;border-top:3px solid var(--brand);}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:44px;padding-bottom:48px;border-bottom:1px solid rgba(248,248,244,.12);}
.footer-brand .logo{display:flex;align-items:center;gap:12px;font-size:17px;font-weight:800;line-height:1.25;margin-bottom:18px;}
.footer-brand .mark{background:var(--brand);color:var(--ink);width:36px;height:36px;border-radius:11px;font-size:15px;}
.footer-brand p{color:rgba(248,248,244,.62);font-size:14.5px;line-height:1.85;max-width:380px;margin:0;}
.footer-col h4{color:var(--dark-ink);font-size:15px;margin:0 0 18px;letter-spacing:.02em;}
.footer-col ul{list-style:none;padding:0;margin:0;display:grid;gap:11px;}
.footer-col ul a{font-size:14.5px;color:rgba(248,248,244,.66);}
.footer-col ul a:hover{color:var(--brand);}
.footer-contact li{display:flex;gap:11px;font-size:14.5px;color:rgba(248,248,244,.66);align-items:flex-start;}
.footer-contact i{color:var(--brand);margin-top:5px;font-size:13px;}
.footer-bottom{
  display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;align-items:center;
  padding-top:26px;font-size:13.5px;color:rgba(248,248,244,.5);
}
.footer-bottom a{color:var(--brand);}

/* ---------- 动效 ---------- */
.reveal{opacity:0;transform:translateY(16px);transition:opacity 620ms cubic-bezier(.4,0,.2,1),transform 620ms cubic-bezier(.4,0,.2,1);}
.reveal.in{opacity:1;transform:none;}

/* ---------- 响应式 ---------- */
@media (max-width:1399px){
  .container{max-width:1200px;}
}
@media (max-width:1199px){
  .hero-grid{grid-template-columns:1fr;gap:40px;}
  .support-panel{max-width:560px;}
  .channel-grid{grid-template-columns:1fr;gap:36px;}
  .channel-side{position:static;}
  .faq-wrap{grid-template-columns:1fr;gap:34px;}
  .form-wrap{grid-template-columns:1fr;gap:32px;}
  .flow-list{grid-template-columns:repeat(2,1fr);}
  .footer-grid{grid-template-columns:1fr 1fr;gap:36px;}
  .dock-nav a{padding:9px 12px;font-size:14px;}
}
@media (max-width:991px){
  body{padding-top:96px;}
  .dock-nav{
    position:fixed;top:88px;left:16px;right:16px;
    flex-direction:column;align-items:stretch;gap:6px;
    background:rgba(255,255,255,.98);border:1px solid var(--line);border-radius:24px;
    box-shadow:var(--shadow-md);padding:16px;
    display:none;
  }
  .dock-nav.open{display:flex;}
  .dock-nav a{font-size:16px;padding:13px 16px;}
  .dock-nav a.active::after{display:none;}
  .dock-toggle{display:inline-flex;}
  .dock-actions .btn-main{display:none;}
  .dock-logo span:last-child{font-size:14px;}
  section{padding:76px 0;}
  .cta-band{padding:48px 26px;border-radius:26px;}
  .hero-inner{padding:56px 0 62px;}
}
@media (max-width:767px){
  .channel-card:hover,.contact-cell:hover{transform:none;}
  .flow-list{grid-template-columns:1fr;}
  .form-grid{grid-template-columns:1fr;}
  .contact-grid{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr;}
  .hero-cta .btn-main,.hero-cta .btn-ghost{width:100%;justify-content:center;}
  .cta-actions .btn-main,.cta-actions .btn-ghost{width:100%;justify-content:center;}
  .hero-sub{font-size:16.5px;}
  .sec-head{margin-bottom:36px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
}
@media (max-width:519px){
  body{padding-top:90px;}
  .dock{height:60px;padding:0 10px 0 14px;gap:10px;}
  .dock-logo span:last-child{font-size:13px;}
  .dock-nav{top:80px;}
  .info-card,.form-card,.support-panel{padding:24px;}
  .channel-card{padding:22px;}
  .accordion-button{font-size:16px;padding:18px;}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none!important;transition:none!important;}
  .reveal{opacity:1;transform:none;}
}