/* roulang page: index */
:root{
  --brand:#F04A21;
  --brand-hover:#D63C16;
  --brand-active:#B6300F;
  --brand-soft:#FDEDE7;
  --ink:#10151A;
  --ink-2:#2B3238;
  --ink-3:#5C6670;
  --bg:#F6F4F1;
  --card:#FFFFFF;
  --cream:#FAF8F5;
  --line:#E6E2DC;
  --line-2:#EFEBE5;
  --lime:#C6F24E;
  --dark:#10151A;
  --dark-card:#171D24;
  --dark-line:rgba(255,255,255,.10);
  --dark-text:#F2F0EC;
  --dark-sub:rgba(255,255,255,.66);
  --ok:#1F9D63;
  --warn:#E0A800;
  --err:#D5372C;
  --info:#55606B;
  --r-card:14px;
  --r-btn:10px;
  --r-input:10px;
  --r-img:12px;
  --sh-card:0 1px 2px rgba(16,21,26,.06), 0 12px 28px -16px rgba(16,21,26,.18);
  --sh-hover:0 18px 40px -20px rgba(16,21,26,.24);
  --ease:cubic-bezier(.2,.7,.3,1);
  --num:"Barlow Condensed","Oswald","PingFang SC","Microsoft YaHei",sans-serif;
  --sans:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Source Han Sans SC",system-ui,-apple-system,sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;padding:0;background:var(--bg);color:var(--ink-2);
  font-family:var(--sans);font-size:16px;line-height:1.75;
  font-variant-numeric:tabular-nums;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border-style:none}
a{color:inherit;text-decoration:none}
button,input,select{font:inherit;color:inherit}
button{cursor:pointer;background:none;border:0}
h1,h2,h3,h4{margin:0;color:var(--ink);font-weight:800;letter-spacing:-.01em;line-height:1.25}
p{margin:0}
ul{margin:0;padding:0;list-style:none}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:4px}
.skip-link{
  position:absolute;left:-9999px;top:0;z-index:200;
  background:var(--ink);color:#fff;padding:10px 18px;border-radius:0 0 10px 0;
}
.skip-link:focus{left:0}
.container{width:100%;max-width:1240px;margin:0 auto;padding:0 24px}
@media (min-width:1600px){.container{max-width:1360px}}

/* ============ 导航 ============ */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:80;
  background:transparent;
  transition:background 150ms var(--ease),box-shadow 150ms var(--ease),border-color 150ms var(--ease);
  border-bottom:1px solid transparent;
}
.site-header.is-solid{
  background:#fff;border-bottom:1px solid var(--line);
  box-shadow:0 8px 24px -20px rgba(16,21,26,.5);
}
.nav-inner{display:flex;align-items:center;gap:28px;height:64px}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.brand-mark{
  width:32px;height:32px;border-radius:9px;flex:0 0 auto;
  background:linear-gradient(150deg,var(--brand) 0%,var(--brand-active) 100%);
  display:flex;align-items:center;justify-content:center;
  color:#fff;font-family:var(--num);font-size:17px;font-weight:700;letter-spacing:.02em;
}
.brand-text{display:flex;flex-direction:column;line-height:1.1}
.brand-name{font-size:18px;font-weight:800;color:var(--ink);letter-spacing:-.01em}
.brand-sub{font-size:11px;letter-spacing:.08em;color:var(--brand);font-weight:700}
.nav-menu{display:flex;align-items:center;gap:26px;margin-left:10px}
.nav-link{
  position:relative;font-size:15px;font-weight:500;color:var(--ink-2);
  padding:20px 0;transition:color 150ms var(--ease);
}
.nav-link::after{
  content:"";position:absolute;left:0;bottom:14px;height:2px;width:0;
  background:var(--brand);transition:width 220ms var(--ease);
}
.nav-link:hover{color:var(--ink)}
.nav-link:hover::after{width:100%}
.nav-link.active{color:var(--ink);font-weight:700}
.nav-link.active::after{width:100%}
.nav-right{display:flex;align-items:center;gap:12px;margin-left:auto}
.icon-btn{
  width:40px;height:40px;border-radius:var(--r-btn);
  display:flex;align-items:center;justify-content:center;
  color:var(--ink);border:1px solid var(--line);background:#fff;
  transition:border-color 150ms var(--ease),color 150ms var(--ease),transform 150ms var(--ease);
}
.icon-btn:hover{border-color:var(--ink);color:var(--brand)}
.icon-btn svg{width:20px;height:20px}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border-radius:var(--r-btn);font-weight:700;font-size:15px;
  padding:14px 28px;border:1.5px solid transparent;
  transition:background-color 150ms var(--ease),color 150ms var(--ease),border-color 150ms var(--ease),transform 150ms var(--ease),box-shadow 150ms var(--ease);
}
.btn-primary{background:var(--brand);color:#fff;box-shadow:0 10px 24px -16px rgba(240,74,33,.9)}
.btn-primary:hover{background:var(--brand-hover);transform:translateY(-1px)}
.btn-primary:active{background:var(--brand-active);transform:translateY(0)}
.btn-outline{background:transparent;color:var(--ink);border-color:var(--ink)}
.btn-outline:hover{background:var(--ink);color:#fff}
.btn-sm{padding:10px 18px;font-size:14px}
.btn-lock{display:inline-flex;align-items:center;gap:8px}
.btn-lock svg{width:16px;height:16px}
.btn-cta{padding:10px 20px;font-size:14px}
.hamburger{display:none;width:40px;height:40px;border-radius:var(--r-btn);border:1px solid var(--line);background:#fff;align-items:center;justify-content:center}
.hamburger span{display:block;width:18px;height:2px;background:var(--ink);position:relative}
.hamburger span::before,.hamburger span::after{content:"";position:absolute;left:0;width:18px;height:2px;background:var(--ink)}
.hamburger span::before{top:-6px}
.hamburger span::after{top:6px}
.progress-bar{
  position:absolute;left:0;bottom:-1px;height:3px;width:100%;
  background:var(--brand);transform:scaleX(0);transform-origin:0 50%;
  transition:transform 80ms linear;
}
/* 搜索浮层 */
.search-layer{
  position:absolute;top:100%;left:0;right:0;background:#fff;
  border-bottom:1px solid var(--line);box-shadow:0 20px 40px -28px rgba(16,21,26,.45);
  padding:18px 0;display:none;
}
.search-layer.open{display:block}
.search-layer form{display:flex;gap:12px;align-items:center}
.search-layer input{
  flex:1;height:48px;border-radius:var(--r-input);border:1px solid #D9D4CC;
  padding:0 16px;background:var(--cream);color:var(--ink);
}
.search-layer input:focus{outline:none;border-color:var(--brand);box-shadow:0 0 0 4px rgba(240,74,33,.12)}
/* 移动抽屉 */
.drawer-mask{
  position:fixed;inset:0;background:rgba(16,21,26,.55);opacity:0;pointer-events:none;
  transition:opacity 220ms var(--ease);z-index:90;
}
.drawer-mask.open{opacity:1;pointer-events:auto}
.drawer{
  position:fixed;top:0;right:0;bottom:0;width:86vw;max-width:360px;background:#fff;z-index:100;
  transform:translateX(102%);transition:transform 220ms var(--ease);
  padding:20px;overflow-y:auto;display:flex;flex-direction:column;gap:20px;
}
.drawer.open{transform:translateX(0)}
.drawer-head{display:flex;align-items:center;justify-content:space-between}
.drawer-close{width:38px;height:38px;border-radius:var(--r-btn);border:1px solid var(--line);display:flex;align-items:center;justify-content:center;font-size:18px;color:var(--ink)}
.drawer-group{font-size:12px;letter-spacing:.08em;color:var(--ink-3);font-weight:700}
.drawer-links{display:flex;flex-direction:column;gap:2px;margin-top:8px}
.drawer-links a{padding:12px 10px;border-radius:10px;font-size:16px;font-weight:600;color:var(--ink-2)}
.drawer-links a:hover{background:var(--brand-soft);color:var(--brand)}
.drawer-links a.active{background:var(--brand-soft);color:var(--brand)}
.drawer-foot{margin-top:auto;border-top:1px solid var(--line);padding-top:16px;font-size:13px;color:var(--ink-3)}

/* ============ Hero ============ */
.hero{background:var(--cream);position:relative;overflow:hidden}
.hero-grid{display:grid;grid-template-columns:52% 48%;min-height:660px}
.hero-copy{padding:132px 56px 72px 0}
.kicker{
  display:inline-flex;align-items:center;gap:10px;
  font-size:12px;font-weight:700;letter-spacing:.06em;color:var(--brand);
  background:var(--brand-soft);border-radius:999px;padding:6px 14px;margin-bottom:22px;
}
.kicker b{font-family:var(--num);font-size:14px;letter-spacing:.02em}
.hero h1{font-size:clamp(32px,4.2vw,54px);line-height:1.18;font-weight:800;max-width:12em}
.hero-sub{margin-top:20px;font-size:17px;color:var(--ink-3);max-width:30em}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:30px}
.trust-points{display:flex;flex-wrap:wrap;gap:26px;margin-top:34px}
.trust-points li{display:flex;align-items:center;gap:8px;font-size:14px;color:var(--ink-2);font-weight:600}
.trust-points svg{width:18px;height:18px;color:var(--ok);flex:0 0 auto}
.login-card{
  margin-top:38px;background:#fff;border:1px solid var(--line);border-radius:var(--r-card);
  box-shadow:var(--sh-card);padding:22px;max-width:460px;
}
.login-card-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:16px}
.login-card-head h2{font-size:17px}
.login-card-head span{font-size:12px;color:var(--ink-3);display:inline-flex;align-items:center;gap:6px}
.dot{width:8px;height:8px;border-radius:50%;background:var(--ok);display:inline-block}
.field{margin-bottom:14px}
.field label{display:block;font-size:13px;font-weight:700;color:var(--ink);margin-bottom:6px}
.field input{
  width:100%;height:48px;border-radius:var(--r-input);border:1px solid #D9D4CC;
  background:#fff;padding:0 14px;color:var(--ink);transition:border-color 150ms var(--ease),box-shadow 150ms var(--ease);
}
.field input::placeholder{color:#9AA2A9}
.field input:focus{outline:none;border-color:var(--brand);box-shadow:0 0 0 4px rgba(240,74,33,.12)}
.code-row{display:flex;gap:10px}
.code-row input{flex:1}
.code-btn{
  height:48px;padding:0 16px;border-radius:var(--r-input);border:1.5px solid var(--ink);
  font-size:14px;font-weight:700;color:var(--ink);white-space:nowrap;background:#fff;
  transition:background-color 150ms var(--ease),color 150ms var(--ease);
}
.code-btn:hover{background:var(--ink);color:#fff}
.btn-block{width:100%;margin-top:6px}
.login-card-foot{margin-top:12px;font-size:12px;color:var(--ink-3);display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap}
.login-card-foot a{color:var(--brand);font-weight:700}
.login-card-foot a:hover{text-decoration:underline}
.hero-visual{position:relative;overflow:hidden;background:var(--ink)}
.hero-visual img{width:100%;height:100%;object-fit:cover;position:absolute;inset:0}
.hero-overlay{
  position:absolute;inset:0;
  background:linear-gradient(30deg,rgba(16,21,26,.55) 0%,rgba(16,21,26,.24) 45%,rgba(16,21,26,0) 78%);
}
.float-card{
  position:absolute;background:rgba(23,29,36,.9);border:1px solid var(--dark-line);
  border-radius:12px;padding:12px 16px;color:var(--dark-text);backdrop-filter:blur(2px);
}
.float-card .fc-label{font-size:11px;letter-spacing:.06em;color:var(--dark-sub)}
.float-card .fc-value{font-family:var(--num);font-size:22px;font-weight:700;letter-spacing:.01em;display:flex;align-items:center;gap:8px}
.float-a{left:32px;bottom:96px}
.float-b{left:32px;bottom:24px}
.arc{
  position:absolute;right:-120px;bottom:-160px;width:420px;height:420px;border-radius:50%;
  border:2px solid rgba(240,74,33,.08);pointer-events:none;
}
.arc::after{
  content:"";position:absolute;inset:56px;border-radius:50%;border:2px solid rgba(240,74,33,.08);
}
.corner-scale{
  position:absolute;top:96px;right:36px;font-family:var(--num);font-size:13px;
  letter-spacing:.14em;color:rgba(255,255,255,.72);writing-mode:vertical-rl;
}

/* ============ 通用板块 ============ */
.section{padding:96px 0}
.section-cream{background:var(--cream)}
.section-white{background:#fff}
.sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:44px}
.sec-kicker{
  display:block;font-family:var(--num);font-size:13px;letter-spacing:.12em;
  color:var(--brand);font-weight:700;margin-bottom:10px;
}
.sec-head h2{font-size:clamp(24px,2.4vw,34px);line-height:1.25}
.sec-head p{margin-top:10px;color:var(--ink-3);font-size:15px;max-width:44em}
.link-more{
  font-size:15px;font-weight:700;color:var(--brand);white-space:nowrap;
  border-bottom:2px solid transparent;transition:border-color 150ms var(--ease);
}
.link-more:hover{border-color:var(--brand)}
.link-more span{display:inline-block;transition:transform 150ms var(--ease)}
.link-more:hover span{transform:translateX(4px)}
.arrow-link{
  display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:700;color:var(--brand);
}
.arrow-link span{transition:transform 150ms var(--ease)}
.arrow-link:hover span{transform:translateX(4px)}

/* ============ 信任条 ============ */
.stats-strip{background:#fff;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.stats-grid{display:grid;grid-template-columns:repeat(4,1fr)}
.stat{padding:34px 28px;border-right:1px solid var(--line-2)}
.stat:last-child{border-right:0}
.stat-num{font-family:var(--num);font-size:42px;font-weight:700;color:var(--ink);line-height:1;letter-spacing:.01em}
.stat-num em{font-style:normal;font-size:18px;color:var(--brand);margin-left:4px}
.stat-desc{margin-top:8px;font-size:14px;color:var(--ink-3)}

/* ============ Bento 功能分组 ============ */
.bento{display:grid;grid-template-columns:repeat(3,1fr);grid-template-rows:auto auto;gap:24px}
.card{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-card);
  box-shadow:var(--sh-card);padding:26px;
  transition:transform 150ms var(--ease),box-shadow 150ms var(--ease),border-color 150ms var(--ease);
}
.card:hover{transform:translateY(-2px);box-shadow:var(--sh-hover);border-color:#DAD4CB}
.bento-lg{grid-column:span 2;grid-row:span 2;display:flex;flex-direction:column;gap:18px}
.bento-lg .card-media{
  border-radius:var(--r-img);overflow:hidden;background:var(--line-2);aspect-ratio:16/10;
}
.bento-lg .card-media img{width:100%;height:100%;object-fit:cover}
.card h3{font-size:20px;margin-bottom:10px}
.card p{font-size:15px;color:var(--ink-3)}
.icon-line{
  width:44px;height:44px;border-radius:12px;background:var(--brand-soft);
  display:flex;align-items:center;justify-content:center;margin-bottom:18px;color:var(--brand);
}
.icon-line svg{width:24px;height:24px;stroke-width:1.75}
.check-list{margin-top:16px;display:flex;flex-direction:column;gap:10px}
.check-list li{display:flex;gap:10px;font-size:14px;color:var(--ink-2)}
.check-list li::before{
  content:"";flex:0 0 auto;width:6px;height:6px;margin-top:9px;border-radius:50%;background:var(--brand);
}
.card .arrow-link{margin-top:18px}

/* ============ 场景 Z 字 ============ */
.scene{
  display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center;
  padding:44px 0;border-bottom:1px solid var(--line-2);
}
.scene:last-child{border-bottom:0}
.scene-media{border-radius:var(--r-img);overflow:hidden;background:var(--line-2);aspect-ratio:16/10}
.scene-media img{width:100%;height:100%;object-fit:cover;transition:transform 220ms var(--ease)}
.scene:hover .scene-media img{transform:scale(1.02)}
.scene-body h3{font-size:24px;padding-left:16px;border-left:3px solid var(--brand)}
.scene-body p{margin-top:14px;color:var(--ink-3);font-size:15px}
.scene-body ul{margin-top:16px;display:flex;flex-direction:column;gap:10px}
.scene-body ul li{font-size:14px;color:var(--ink-2);display:flex;gap:10px;align-items:flex-start}
.scene-body ul li b{font-family:var(--num);color:var(--brand);font-size:15px;line-height:1.6}
.scene.reverse .scene-media{order:2}
.scene.reverse .scene-body{order:1}
.scene-body .arrow-link{margin-top:18px}

/* ============ 最新信息 ============ */
.news-grid{display:grid;grid-template-columns:1.15fr 1fr;gap:24px;align-items:start}
.news-lead{
  display:block;background:#fff;border:1px solid var(--line);border-radius:var(--r-card);
  overflow:hidden;box-shadow:var(--sh-card);
  transition:transform 150ms var(--ease),box-shadow 150ms var(--ease);
}
.news-lead:hover{transform:translateY(-2px);box-shadow:var(--sh-hover)}
.news-lead-media{aspect-ratio:16/10;background:var(--line-2);overflow:hidden}
.news-lead-media img{width:100%;height:100%;object-fit:cover}
.news-lead-body{padding:24px}
.news-lead-body h3{font-size:21px;margin:12px 0 10px}
.news-lead:hover h3{color:var(--brand)}
.news-lead-body p{font-size:15px;color:var(--ink-3)}
.badge{
  display:inline-flex;align-items:center;height:24px;padding:0 10px;border-radius:999px;
  font-size:12px;font-weight:700;letter-spacing:.04em;background:var(--brand-soft);color:var(--brand);
}
.badge-soft{background:var(--cream);color:var(--ink-3);border:1px solid var(--line)}
.news-meta{display:flex;align-items:center;gap:14px;margin-top:16px;font-size:13px;color:var(--ink-3)}
.news-meta .arrow{color:var(--brand);font-weight:700;margin-left:auto}
.news-list{display:flex;flex-direction:column;gap:16px}
.news-item{
  display:block;background:#fff;border:1px solid var(--line);border-radius:var(--r-card);
  padding:20px 22px;box-shadow:var(--sh-card);
  transition:transform 150ms var(--ease),box-shadow 150ms var(--ease),border-color 150ms var(--ease);
}
.news-item:hover{transform:translateY(-2px);box-shadow:var(--sh-hover);border-color:#DAD4CB}
.news-item h3{
  font-size:16px;line-height:1.5;margin-bottom:8px;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.news-item:hover h3{color:var(--brand)}
.news-item p{
  font-size:14px;color:var(--ink-3);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.empty-state{
  background:#fff;border:1px dashed var(--line);border-radius:var(--r-card);
  padding:56px 24px;text-align:center;display:flex;flex-direction:column;align-items:center;gap:12px;
}
.empty-state .es-icon{
  width:52px;height:52px;border-radius:50%;background:var(--brand-soft);color:var(--brand);
  display:flex;align-items:center;justify-content:center;
}
.empty-state strong{font-size:16px;color:var(--ink)}
.empty-state span{font-size:14px;color:var(--ink-3)}

/* ============ 案例横滚 ============ */
.cases-track{
  display:grid;grid-auto-flow:column;grid-auto-columns:minmax(280px,1fr);
  gap:24px;overflow-x:auto;padding:4px 4px 22px;scroll-snap-type:x mandatory;
  scrollbar-width:thin;
}
.cases-track::-webkit-scrollbar{height:6px}
.cases-track::-webkit-scrollbar-thumb{background:var(--line);border-radius:999px}
.case-card{
  scroll-snap-align:start;background:#fff;border:1px solid var(--line);border-radius:var(--r-card);
  overflow:hidden;box-shadow:var(--sh-card);
  transition:transform 150ms var(--ease),box-shadow 150ms var(--ease);
}
.case-card:hover{transform:translateY(-2px);box-shadow:var(--sh-hover)}
.case-media{aspect-ratio:16/10;background:var(--line-2);overflow:hidden}
.case-media img{width:100%;height:100%;object-fit:cover}
.case-body{padding:20px}
.case-client{font-size:13px;color:var(--ink-3);font-weight:700}
.case-body h3{font-size:17px;margin:8px 0 12px}
.case-num{font-family:var(--num);font-size:34px;font-weight:700;color:var(--brand);line-height:1}
.case-num em{font-style:normal;font-size:14px;color:var(--ink-3);margin-left:4px;font-family:var(--sans)}
.case-note{font-size:13px;color:var(--ink-3);margin-top:6px}

/* ============ 方案 ============ */
.plans{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;align-items:start}
.plan{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-card);padding:30px;
  box-shadow:var(--sh-card);position:relative;
  transition:transform 150ms var(--ease),box-shadow 150ms var(--ease);
}
.plan:hover{transform:translateY(-2px);box-shadow:var(--sh-hover)}
.plan-featured{border:1.5px solid var(--brand);transform:translateY(-4px);box-shadow:var(--sh-hover)}
.plan-featured:hover{transform:translateY(-6px)}
.plan-flag{
  position:absolute;top:-13px;left:30px;background:var(--brand);color:#fff;font-size:12px;font-weight:700;
  letter-spacing:.04em;padding:5px 12px;border-radius:999px;
}
.plan h3{font-size:20px}
.plan-for{margin-top:8px;font-size:14px;color:var(--ink-3)}
.plan-price{
  margin:20px 0 6px;font-family:var(--num);font-size:40px;font-weight:700;color:var(--ink);line-height:1;
  display:flex;align-items:baseline;gap:6px;
}
.plan-price span{font-family:var(--sans);font-size:14px;color:var(--ink-3);font-weight:600}
.plan-list{margin:20px 0 26px;display:flex;flex-direction:column;gap:12px}
.plan-list li{display:flex;gap:10px;font-size:14px;color:var(--ink-2)}
.plan-list svg{width:18px;height:18px;color:var(--ok);flex:0 0 auto;margin-top:4px}
.plan .btn{width:100%}
.plan-foot{margin-top:18px;display:flex;flex-direction:column;gap:10px}
.plans-note{margin-top:24px;font-size:13px;color:var(--ink-3);text-align:center}

/* ============ FAQ ============ */
.faq{max-width:800px;margin:0 auto;background:#fff;border:1px solid var(--line);border-radius:var(--r-card);box-shadow:var(--sh-card);overflow:hidden}
.faq-item{border-bottom:1px solid var(--line-2)}
.faq-item:last-child{border-bottom:0}
.faq-item summary{
  list-style:none;cursor:pointer;padding:22px 24px;
  display:flex;align-items:center;justify-content:space-between;gap:18px;
  font-size:17px;font-weight:700;color:var(--ink);
  transition:background-color 150ms var(--ease);
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary:hover{background:var(--cream)}
.faq-icon{
  flex:0 0 auto;width:22px;height:22px;position:relative;transition:transform 220ms var(--ease);
}
.faq-icon::before,.faq-icon::after{
  content:"";position:absolute;background:var(--brand);border-radius:2px;
}
.faq-icon::before{left:50%;top:3px;width:2px;height:16px;transform:translateX(-50%)}
.faq-icon::after{top:50%;left:3px;height:2px;width:16px;transform:translateY(-50%)}
.faq-item[open] .faq-icon{transform:rotate(45deg)}
.faq-answer{padding:0 24px 24px;font-size:15px;line-height:1.8;color:var(--ink-3)}
.faq-answer a{color:var(--brand);font-weight:700}

/* ============ CTA 带 ============ */
.cta-band{position:relative;background:var(--dark);color:var(--dark-text);overflow:hidden}
.cta-band::before{
  content:"";position:absolute;inset:0;background:url('/assets/images/backpic/back-3.webp') center/cover no-repeat;
  opacity:.2;
}
.cta-inner{
  position:relative;display:flex;align-items:center;justify-content:space-between;gap:40px;
  padding:72px 0 72px 30px;border-left:3px solid var(--brand);
}
.cta-inner h2{color:var(--dark-text);font-size:clamp(24px,2.4vw,32px)}
.cta-inner p{margin-top:12px;color:var(--dark-sub);font-size:15px;max-width:36em}
.cta-actions{display:flex;gap:14px;flex-wrap:wrap;flex:0 0 auto}
.btn-onDark{background:var(--lime);color:var(--ink);border-color:var(--lime)}
.btn-onDark:hover{background:#D6FF66;border-color:#D6FF66}
.btn-ghostDark{background:transparent;color:#fff;border-color:rgba(255,255,255,.5)}
.btn-ghostDark:hover{background:#fff;color:var(--ink);border-color:#fff}

/* ============ 页脚 ============ */
.site-footer{background:var(--dark);color:var(--dark-sub);padding:72px 0 28px}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.1fr;gap:40px}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px}
.footer-brand .brand-mark{background:linear-gradient(150deg,var(--brand) 0%,var(--brand-active) 100%)}
.footer-brand .brand-name{color:var(--dark-text)}
.footer-brand .brand-sub{color:var(--brand)}
.footer-desc{font-size:14px;line-height:1.8;max-width:24ch}
.qr{
  margin-top:18px;width:104px;height:104px;border-radius:12px;background:var(--dark-card);
  border:1px solid var(--dark-line);display:flex;flex-direction:column;align-items:center;justify-content:center;gap:6px;
  font-size:11px;color:var(--dark-sub);text-align:center;padding:8px;
}
.qr svg{width:26px;height:26px;color:var(--lime)}
.footer-col h3{color:var(--dark-text);font-size:15px;margin-bottom:16px;letter-spacing:.02em}
.footer-links{display:flex;flex-direction:column;gap:11px;font-size:14px}
.footer-links a{transition:color 150ms var(--ease)}
.footer-links a:hover{color:var(--brand)}
.footer-contact li{font-size:14px;margin-bottom:11px;display:flex;gap:8px}
.footer-contact li b{color:var(--dark-text);font-weight:600}
.footer-bottom{
  margin-top:52px;padding-top:22px;border-top:1px solid var(--dark-line);
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;font-size:13px;
}
.footer-bottom a{color:var(--dark-sub)}
.footer-bottom a:hover{color:var(--brand)}

/* 回到顶部 */
.to-top{
  position:fixed;right:24px;bottom:24px;width:48px;height:48px;border-radius:50%;
  background:var(--ink);color:#fff;display:flex;align-items:center;justify-content:center;
  opacity:0;pointer-events:none;transform:translateY(8px);
  transition:opacity 220ms var(--ease),transform 220ms var(--ease);z-index:70;box-shadow:0 12px 28px -14px rgba(16,21,26,.6);
}
.to-top.show{opacity:1;pointer-events:auto;transform:translateY(0)}
.to-top:hover{background:var(--brand)}
.to-top svg{width:20px;height:20px}

/* ============ 响应式 ============ */
@media (max-width:1439px){
  .hero-copy{padding-right:40px}
}
@media (max-width:1199px){
  .nav-menu{gap:20px}
  .bento{grid-template-columns:repeat(2,1fr)}
  .bento-lg{grid-column:span 2;grid-row:auto}
  .scene{gap:36px}
}
@media (max-width:991px){
  .nav-menu{display:none}
  .nav-right .btn-login{display:none}
  .hamburger{display:flex}
  .hero-grid{grid-template-columns:1fr}
  .hero-visual{height:320px;order:-1}
  .hero-copy{padding:120px 0 56px}
  .hero h1{max-width:none}
  .section{padding:72px 0}
  .stats-grid{grid-template-columns:repeat(2,1fr)}
  .stat{border-bottom:1px solid var(--line-2)}
  .stat:nth-child(2n){border-right:0}
  .news-grid{grid-template-columns:1fr}
  .plans{grid-template-columns:1fr}
  .plan-featured{transform:none}
  .plan-featured:hover{transform:translateY(-2px)}
  .scene,.scene.reverse{grid-template-columns:1fr}
  .scene.reverse .scene-media,.scene.reverse .scene-body{order:0}
  .cta-inner{flex-direction:column;align-items:flex-start;padding-left:24px}
  .footer-grid{grid-template-columns:repeat(2,1fr);gap:32px}
}
@media (max-width:767px){
  .container{padding:0 20px}
  .hero-visual{height:240px}
  .hero h1{font-size:clamp(30px,7vw,32px)}
  .hero-sub{font-size:16px}
  .section{padding:56px 0}
  .bento{grid-template-columns:1fr;gap:16px}
  .bento-lg{grid-column:span 1}
  .sec-head{flex-direction:column;align-items:flex-start;margin-bottom:32px}
  .trust-points{gap:16px}
  .login-card{padding:18px}
  .stat{padding:26px 20px}
  .stat-num{font-size:34px}
  .footer-grid{grid-template-columns:1fr}
  .footer-bottom{flex-direction:column}
  .cta-inner{padding:56px 0 56px 20px}
  .float-a{bottom:84px;left:16px}
  .float-b{bottom:16px;left:16px}
  .corner-scale{display:none}
}
@media (max-width:575px){
  .stats-grid{grid-template-columns:1fr}
  .stat{border-right:0}
  .hero-actions .btn{width:100%}
  .cta-actions .btn{width:100%}
}
@media (prefers-reduced-motion:reduce){
  *{transition:none!important;animation:none!important;scroll-behavior:auto!important}
  .card:hover,.news-lead:hover,.news-item:hover,.case-card:hover,.plan:hover{transform:none}
}

/* roulang page: category1 */
:root{
  --main:#F04A21;
  --main-h:#D63C16;
  --main-p:#B6300F;
  --main-soft:#FDEDE7;
  --ink:#10151A;
  --ink-2:#171D24;
  --text:#2B3238;
  --muted:#5C6670;
  --bg:#F6F4F1;
  --card:#FFFFFF;
  --cream:#FAF8F5;
  --line:#E6E2DC;
  --div:#EFEBE5;
  --accent:#C6F24E;
  --ok:#1F9D63;
  --warn:#E0A800;
  --err:#D5372C;
  --info:#55606B;
  --font: "PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Source Han Sans SC",system-ui,-apple-system,"Segoe UI",Roboto,Arial,sans-serif;
  --font-num:"Barlow Condensed","Oswald","Arial Narrow",var(--font);
  --r-card:14px;
  --r-btn:10px;
  --r-input:10px;
  --r-img:12px;
  --sh:0 1px 2px rgba(16,21,26,.06),0 12px 28px -16px rgba(16,21,26,.18);
  --sh-h:0 18px 40px -20px rgba(16,21,26,.24);
  --ease:cubic-bezier(.2,.7,.3,1);
  --nav-h:64px;
  --sec-y:96px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:var(--font);
  font-size:16px;
  line-height:1.75;
  color:var(--text);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
h1,h2,h3,h4,p,ul,ol,figure,blockquote{margin:0}
ul,ol{padding:0;list-style:none}
img{max-width:100%;display:block;height:auto}
a{color:inherit;text-decoration:none}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
input{font:inherit}
table{border-collapse:collapse;width:100%}
:focus-visible{outline:2px solid var(--main);outline-offset:2px;border-radius:4px}
.num{font-family:var(--font-num);font-variant-numeric:tabular-nums;letter-spacing:.02em}
.skip-link{
  position:absolute;left:-9999px;top:0;z-index:999;
  background:var(--ink);color:#fff;padding:10px 18px;border-radius:0 0 10px 0;font-size:14px;
}
.skip-link:focus{left:0}
.container{
  width:100%;max-width:1240px;margin:0 auto;padding:0 24px;
}
@media (min-width:1600px){.container{max-width:1360px}}

/* ---------- 导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:120;
  background:#fff;
  border-bottom:1px solid var(--line);
  transition:box-shadow .22s var(--ease);
}
.site-header.scrolled{box-shadow:0 6px 20px -14px rgba(16,21,26,.35)}
.nav-inner{
  height:var(--nav-h);
  display:flex;align-items:center;gap:28px;
}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.brand-mark{
  width:36px;height:36px;border-radius:10px;
  background:var(--main);color:#fff;
  display:flex;align-items:center;justify-content:center;
  font-weight:800;font-size:18px;letter-spacing:0;
  box-shadow:0 6px 14px -8px rgba(240,74,33,.9);
}
.brand-text{display:flex;flex-direction:column;line-height:1.1}
.brand-name{font-size:18px;font-weight:800;color:var(--ink);letter-spacing:-.01em}
.brand-sub{font-size:11px;letter-spacing:.08em;color:var(--main);font-weight:700}
.nav-menu{display:flex;align-items:center;gap:4px;margin-left:12px}
.nav-link{
  position:relative;
  padding:10px 14px;
  font-size:15px;font-weight:500;color:var(--text);
  border-radius:8px;
  transition:color .15s var(--ease);
  white-space:nowrap;
}
.nav-link::after{
  content:"";position:absolute;left:14px;right:14px;bottom:2px;height:2px;
  background:var(--main);transform:scaleX(0);transform-origin:left;
  transition:transform .22s var(--ease);
}
.nav-link:hover{color:var(--ink)}
.nav-link:hover::after{transform:scaleX(1)}
.nav-link.active{color:var(--main);font-weight:700}
.nav-link.active::after{transform:scaleX(1)}
.nav-right{margin-left:auto;display:flex;align-items:center;gap:12px}
.icon-btn{
  width:40px;height:40px;border-radius:50%;
  border:1.5px solid var(--line);
  display:flex;align-items:center;justify-content:center;
  color:var(--ink);
  transition:border-color .15s var(--ease),background .15s var(--ease),color .15s var(--ease);
}
.icon-btn:hover{border-color:var(--ink);background:var(--cream)}
.icon-btn svg{width:19px;height:19px}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:14px 28px;border-radius:var(--r-btn);
  font-size:15px;font-weight:700;line-height:1;
  transition:background .15s var(--ease),color .15s var(--ease),border-color .15s var(--ease),transform .15s var(--ease);
  border:1.5px solid transparent;text-align:center;
}
.btn svg{width:17px;height:17px}
.btn-primary{background:var(--main);color:#fff}
.btn-primary:hover{background:var(--main-h)}
.btn-primary:active{background:var(--main-p)}
.btn-ghost{border-color:var(--ink);color:var(--ink);background:transparent}
.btn-ghost:hover{background:var(--ink);color:#fff}
.btn-light{background:#fff;color:var(--ink)}
.btn-light:hover{background:var(--accent);color:var(--ink)}
.btn-sm{padding:11px 20px;font-size:14px}
.nav-login{padding:11px 18px;font-size:14px}
.nav-cta{padding:11px 20px;font-size:14px}
.hamburger{
  display:none;width:40px;height:40px;border-radius:10px;
  border:1.5px solid var(--line);align-items:center;justify-content:center;
}
.hamburger span{display:block;width:18px;height:2px;background:var(--ink);position:relative}
.hamburger span::before,.hamburger span::after{
  content:"";position:absolute;left:0;width:18px;height:2px;background:var(--ink);
}
.hamburger span::before{top:-6px}
.hamburger span::after{top:6px}

/* 搜索浮层 */
.search-layer{
  position:fixed;inset:0;z-index:200;background:rgba(16,21,26,.55);
  display:none;align-items:flex-start;justify-content:center;padding-top:120px;
}
.search-layer.open{display:flex}
.search-box{
  width:min(720px,90vw);background:#fff;border-radius:var(--r-card);
  padding:24px;box-shadow:var(--sh-h);
}
.search-box label{font-size:13px;font-weight:700;color:var(--ink);display:block;margin-bottom:10px}
.search-row{display:flex;gap:12px}
.search-row input{
  flex:1;height:48px;border:1px solid #D9D4CC;border-radius:var(--r-input);
  padding:0 16px;background:#fff;color:var(--text);
  transition:border-color .15s var(--ease),box-shadow .15s var(--ease);
}
.search-row input:focus{outline:none;border-color:var(--main);box-shadow:0 0 0 4px rgba(240,74,33,.12)}
.search-hint{margin-top:12px;font-size:13px;color:var(--muted)}

/* 抽屉 */
.drawer-mask{
  position:fixed;inset:0;background:rgba(16,21,26,.55);z-index:190;opacity:0;visibility:hidden;
  transition:opacity .22s var(--ease),visibility .22s var(--ease);
}
.drawer-mask.open{opacity:1;visibility:visible}
.drawer{
  position:fixed;top:0;right:0;height:100%;width:86vw;max-width:360px;z-index:200;
  background:#fff;transform:translateX(102%);
  transition:transform .28s var(--ease);
  display:flex;flex-direction:column;overflow-y:auto;
  box-shadow:-16px 0 40px -24px rgba(16,21,26,.5);
}
.drawer.open{transform:translateX(0)}
.drawer-head{
  display:flex;align-items:center;justify-content:space-between;
  padding:16px 20px;border-bottom:1px solid var(--div);
}
.drawer-close{
  width:36px;height:36px;border-radius:10px;border:1.5px solid var(--line);
  display:flex;align-items:center;justify-content:center;font-size:17px;color:var(--ink);
}
.drawer-close:hover{border-color:var(--ink)}
.drawer-body{padding:20px}
.drawer-group-title{font-size:12px;letter-spacing:.06em;color:var(--muted);font-weight:700;margin-bottom:10px}
.drawer-nav{display:flex;flex-direction:column;gap:2px;margin-bottom:24px}
.drawer-nav a{
  padding:13px 12px;border-radius:10px;font-size:15px;font-weight:500;color:var(--text);
  transition:background .15s var(--ease),color .15s var(--ease);
}
.drawer-nav a:hover{background:var(--cream);color:var(--ink)}
.drawer-nav a.active{background:var(--main-soft);color:var(--main);font-weight:700}
.drawer-actions{display:flex;flex-direction:column;gap:10px;margin-bottom:24px}
.drawer-contact{font-size:13px;color:var(--muted);line-height:2}
.drawer-contact b{color:var(--ink);font-weight:700;margin-right:6px}

/* ---------- 面包屑 ---------- */
.breadcrumb{padding:20px 0 0}
.breadcrumb ol{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--muted)}
.breadcrumb li{display:flex;align-items:center;gap:8px}
.breadcrumb li::after{content:"/";color:var(--line)}
.breadcrumb li:last-child::after{content:""}
.breadcrumb a{color:var(--muted)}
.breadcrumb a:hover{color:var(--main)}
.breadcrumb .current{color:var(--muted)}

/* ---------- 次级 Hero ---------- */
.sub-hero{padding:28px 0 0}
.sub-hero-inner{
  display:grid;grid-template-columns:1.15fr .85fr;gap:48px;align-items:center;
  min-height:300px;padding-bottom:36px;border-bottom:1px solid var(--line);
}
.eyebrow{
  display:inline-flex;align-items:center;gap:10px;
  font-size:13px;font-weight:700;color:var(--main);letter-spacing:.04em;margin-bottom:16px;
}
.eyebrow .num{font-size:14px;background:var(--main-soft);padding:2px 9px;border-radius:999px}
h1{
  font-size:clamp(32px,4.2vw,54px);
  line-height:1.18;font-weight:800;color:var(--ink);letter-spacing:-.01em;
  margin-bottom:18px;
}
.sub-hero h1{font-size:clamp(30px,3.4vw,44px)}
.lede{font-size:17px;line-height:1.85;color:var(--text);max-width:540px}
.lede span{display:block}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:26px}
.sub-hero-visual{position:relative;align-self:stretch;display:flex;align-items:center}
.sub-hero-media{
  position:relative;width:100%;border-radius:var(--r-img);overflow:hidden;
  border:1px solid var(--line);background:var(--cream);
  aspect-ratio:16/10;
  box-shadow:var(--sh);
}
.sub-hero-media img{width:100%;height:100%;object-fit:cover}
.sub-hero-media::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(200deg,rgba(16,21,26,0) 40%,rgba(16,21,26,.5) 100%);
}
.arc{
  position:absolute;right:-60px;bottom:-70px;width:280px;height:280px;
  border:2px solid rgba(240,74,33,.28);border-radius:50%;
  pointer-events:none;
}
.arc::before{
  content:"";position:absolute;inset:34px;border:2px solid rgba(240,74,33,.16);border-radius:50%;
}
.scale-marks{
  position:absolute;left:0;bottom:14px;display:flex;gap:8px;align-items:flex-end;
  padding-left:18px;
}
.scale-marks i{display:block;width:2px;background:rgba(255,255,255,.65)}
.scale-marks i:nth-child(1){height:8px}
.scale-marks i:nth-child(2){height:14px}
.scale-marks i:nth-child(3){height:20px}
.scale-marks i:nth-child(4){height:26px}
.scale-marks i:nth-child(5){height:32px}

/* ---------- 通用板块 ---------- */
.section{padding:var(--sec-y) 0}
.section-cream{background:var(--cream)}
.section-dark{background:var(--ink);color:#F2F0EC}
.section-head{max-width:760px;margin-bottom:44px}
.section-head h2{
  font-size:clamp(24px,2.4vw,34px);line-height:1.25;font-weight:800;color:var(--ink);
  letter-spacing:-.01em;margin-bottom:14px;
}
.section-head p{color:var(--muted);font-size:16px;line-height:1.8}
.section-head.center{margin-left:auto;margin-right:auto;text-align:center}
.section-dark .section-head h2{color:#F2F0EC}
.section-dark .section-head p{color:rgba(255,255,255,.66)}

/* ---------- Z 字图文 ---------- */
.zig-list{display:flex;flex-direction:column}
.zig{
  display:grid;grid-template-columns:1.08fr .92fr;gap:56px;align-items:center;
  padding:56px 0;border-top:1px solid var(--div);
}
.zig:first-child{border-top:0;padding-top:8px}
.zig:nth-child(even){grid-template-columns:.92fr 1.08fr}
.zig:nth-child(even) .zig-copy{order:2}
.zig:nth-child(even) .zig-media{order:1}
.zig-copy h2{
  position:relative;padding-left:20px;
  font-size:clamp(22px,2.1vw,30px);line-height:1.3;font-weight:800;color:var(--ink);
  letter-spacing:-.01em;margin-bottom:18px;
}
.zig-copy h2::before{
  content:"";position:absolute;left:0;top:6px;bottom:6px;width:3px;background:var(--main);border-radius:2px;
}
.zig-copy p{color:var(--text);margin-bottom:14px;max-width:600px}
.point-list{margin-top:22px;display:flex;flex-direction:column;gap:12px}
.point-list li{
  display:flex;gap:12px;align-items:flex-start;font-size:15px;color:var(--text);
}
.point-list li svg{
  flex:0 0 auto;width:20px;height:20px;margin-top:3px;color:var(--main);
}
.zig-media{
  position:relative;border-radius:var(--r-img);overflow:hidden;
  border:1px solid var(--line);background:var(--cream);aspect-ratio:16/10;
  box-shadow:var(--sh);transition:box-shadow .22s var(--ease),transform .22s var(--ease);
}
.zig-media:hover{box-shadow:var(--sh-h);transform:translateY(-2px)}
.zig-media img{width:100%;height:100%;object-fit:cover}
.zig-media .tag-float{
  position:absolute;left:14px;top:14px;
  background:rgba(255,255,255,.94);color:var(--ink);
  font-size:12px;font-weight:700;letter-spacing:.04em;
  padding:6px 12px;border-radius:999px;border:1px solid var(--line);
}
.tag-float .dot{
  display:inline-block;width:8px;height:8px;border-radius:50%;
  background:var(--main);margin-right:6px;vertical-align:middle;
}

/* ---------- 能力表 ---------- */
.table-wrap{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-card);overflow:hidden;
  box-shadow:var(--sh);
}
table.compare{font-size:15px}
table.compare caption{
  caption-side:top;text-align:left;padding:22px 24px 4px;
  font-size:20px;font-weight:800;color:var(--ink);letter-spacing:-.01em;
}
table.compare thead th{
  background:var(--cream);color:var(--ink);font-weight:700;font-size:14px;
  text-align:left;padding:14px 24px;border-bottom:1px solid var(--line);
  letter-spacing:.02em;
}
table.compare td{
  padding:16px 24px;border-bottom:1px solid var(--div);color:var(--text);vertical-align:top;
}
table.compare tbody tr:nth-child(even){background:#FCFBF9}
table.compare td:first-child{
  font-weight:700;color:var(--ink);width:38%;white-space:nowrap;
}
table.compare tbody tr:last-child td{border-bottom:0}
table.compare td .state{display:inline-flex;align-items:center;gap:8px}
table.compare td .dot{width:8px;height:8px;border-radius:50%;background:var(--ok);display:inline-block}
.table-note{margin-top:14px;font-size:13px;color:var(--muted)}

/* ---------- 流程轴 ---------- */
.timeline{
  position:relative;
  display:grid;grid-template-columns:repeat(4,1fr);gap:24px;
  margin-top:16px;
}
.timeline::before{
  content:"";position:absolute;top:25px;left:24px;right:24px;height:2px;background:var(--line);
}
.step{position:relative;padding-top:0}
.step-num{
  position:relative;z-index:1;
  width:50px;height:50px;border-radius:50%;
  background:#fff;border:2px solid var(--main);color:var(--main);
  display:flex;align-items:center;justify-content:center;
  font-size:19px;font-weight:700;
  margin-bottom:18px;
}
.step h3{font-size:18px;font-weight:700;color:var(--ink);margin-bottom:8px}
.step p{font-size:14px;color:var(--muted);line-height:1.75}

/* ---------- FAQ ---------- */
.faq-wrap{max-width:800px;margin:0 auto;border-top:1px solid var(--line)}
.faq-item{border-bottom:1px solid var(--line)}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:20px;
  padding:22px 0;text-align:left;
  font-size:17px;font-weight:700;color:var(--ink);line-height:1.5;
  transition:color .15s var(--ease);
}
.faq-q:hover{color:var(--main)}
.faq-icon{
  flex:0 0 auto;width:26px;height:26px;border-radius:50%;
  border:1.5px solid var(--line);
  display:flex;align-items:center;justify-content:center;
  transition:transform .22s var(--ease),border-color .22s var(--ease),background .22s var(--ease);
}
.faq-icon svg{width:13px;height:13px;color:var(--ink)}
.faq-item.open .faq-icon{transform:rotate(45deg);border-color:var(--main);background:var(--main-soft)}
.faq-item.open .faq-icon svg{color:var(--main)}
.faq-a{
  max-height:0;overflow:hidden;
  transition:max-height .22s var(--ease);
}
.faq-a p{
  padding:0 46px 24px 0;font-size:15px;line-height:1.8;color:var(--muted);
}

/* ---------- CTA 带 ---------- */
.cta-band{position:relative;overflow:hidden;background:var(--ink)}
.cta-band .bg-tex{
  position:absolute;inset:0;
  background-image:url("/assets/images/backpic/back-2.png");
  background-size:cover;background-position:center;
  opacity:.2;pointer-events:none;
}
.cta-inner{
  position:relative;z-index:1;
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:36px;
  padding:72px 0;
}
.cta-text{position:relative;padding-left:22px;max-width:640px}
.cta-text::before{
  content:"";position:absolute;left:0;top:6px;bottom:6px;width:3px;background:var(--main);border-radius:2px;
}
.cta-text h2{
  font-size:clamp(24px,2.4vw,32px);line-height:1.28;font-weight:800;color:#F2F0EC;
  letter-spacing:-.01em;margin-bottom:12px;
}
.cta-text p{color:rgba(255,255,255,.66);font-size:15px}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px}
.cta-band .btn-ghost{border-color:rgba(255,255,255,.4);color:#F2F0EC}
.cta-band .btn-ghost:hover{background:#F2F0EC;color:var(--ink);border-color:#F2F0EC}

/* ---------- 页脚 ---------- */
.site-footer{background:#0C1014;color:rgba(255,255,255,.72);padding:72px 0 28px}
.footer-grid{
  display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:40px;
  padding-bottom:40px;border-bottom:1px solid rgba(255,255,255,.1);
}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px}
.footer-brand .brand-mark{background:var(--main)}
.footer-brand .brand-name{color:#F2F0EC}
.footer-brand .brand-sub{color:var(--main)}
.footer-desc{font-size:14px;color:rgba(255,255,255,.6);margin-bottom:18px;max-width:260px}
.qr{
  display:inline-flex;align-items:center;gap:10px;
  border:1px solid rgba(255,255,255,.16);border-radius:12px;
  padding:12px 16px;font-size:13px;color:rgba(255,255,255,.8);
}
.qr svg{width:22px;height:22px;color:var(--main)}
.footer-col h3{
  font-size:13px;letter-spacing:.06em;color:#F2F0EC;font-weight:700;margin-bottom:16px;
}
.footer-links{display:flex;flex-direction:column;gap:11px}
.footer-links a{font-size:14px;color:rgba(255,255,255,.64);transition:color .15s var(--ease)}
.footer-links a:hover{color:var(--main)}
.footer-contact li{
  font-size:14px;color:rgba(255,255,255,.64);margin-bottom:11px;line-height:1.6;
}
.footer-contact b{color:#F2F0EC;font-weight:700;display:block;font-size:13px;letter-spacing:.02em}
.footer-bottom{
  display:flex;flex-wrap:wrap;justify-content:space-between;gap:12px;
  padding-top:24px;font-size:13px;color:rgba(255,255,255,.5);
}
.footer-bottom a{color:rgba(255,255,255,.7)}
.footer-bottom a:hover{color:var(--main)}

/* ---------- 回到顶部 ---------- */
.to-top{
  position:fixed;right:24px;bottom:24px;z-index:150;
  width:48px;height:48px;border-radius:50%;
  background:var(--ink);color:#fff;
  display:flex;align-items:center;justify-content:center;
  box-shadow:var(--sh-h);
  opacity:0;visibility:hidden;transform:translateY(10px);
  transition:opacity .22s var(--ease),transform .22s var(--ease),visibility .22s var(--ease),background .15s var(--ease);
}
.to-top.show{opacity:1;visibility:visible;transform:translateY(0)}
.to-top:hover{background:var(--main)}
.to-top svg{width:20px;height:20px}

/* ---------- 响应式 ---------- */
@media (max-width:1199px){
  :root{--sec-y:72px}
  .nav-inner{gap:18px}
  .nav-link{padding:10px 10px;font-size:14px}
  .zig{gap:40px}
}
@media (max-width:991px){
  :root{--sec-y:72px}
  .nav-menu{display:none}
  .hamburger{display:flex}
  .nav-right .nav-login{display:inline-flex}
  .sub-hero-inner{grid-template-columns:1fr;gap:32px;min-height:0;padding-bottom:32px}
  .sub-hero-visual{order:-1}
  .sub-hero-media{aspect-ratio:16/9}
  .zig,.zig:nth-child(even){grid-template-columns:1fr;gap:28px;padding:44px 0}
  .zig:nth-child(even) .zig-copy{order:1}
  .zig:nth-child(even) .zig-media{order:0}
  .zig-media{order:-1}
  .timeline{grid-template-columns:repeat(2,1fr);gap:28px}
  .timeline::before{display:none}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  .cta-inner{padding:56px 0}
}
@media (max-width:767px){
  :root{--sec-y:56px;--nav-h:56px}
  .container{padding:0 20px}
  .nav-right .nav-cta{display:none}
  .lede span{display:inline}
  h1{font-size:30px}
  .sub-hero-media{aspect-ratio:16/10}
  table.compare td:first-child{width:auto;white-space:normal}
  table.compare caption{padding:18px 20px 2px;font-size:18px}
  table.compare thead th,table.compare td{padding:13px 18px;font-size:14px}
  .cta-inner{flex-direction:column;align-items:flex-start}
  .footer-grid{grid-template-columns:1fr;gap:30px;padding-bottom:28px}
  .footer-bottom{flex-direction:column;gap:8px}
  .to-top{right:16px;bottom:16px}
}
@media (max-width:575px){
  .timeline{grid-template-columns:1fr}
  .btn{width:100%;padding:14px 20px}
  .hero-actions,.cta-actions{width:100%;flex-direction:column}
  .nav-right .nav-login{padding:10px 14px;font-size:13px}
  .faq-q{font-size:16px}
  .faq-a p{padding-right:0}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{
    animation-duration:.001ms!important;animation-iteration-count:1!important;
    transition-duration:.001ms!important;scroll-behavior:auto!important;
  }
  .zig-media:hover{transform:none}
}

/* roulang page: article */
:root{
  --primary:#F04A21;
  --primary-hover:#D63C16;
  --primary-active:#B6300F;
  --primary-soft:#FDEDE7;
  --ink:#10151A;
  --text:#2B3238;
  --text-muted:#5C6670;
  --bg:#F6F4F1;
  --card:#FFFFFF;
  --surface:#FAF8F5;
  --border:#E6E2DC;
  --divider:#EFEBE5;
  --accent:#C6F24E;
  --success:#1F9D63;
  --warn:#E0A800;
  --danger:#D5372C;
  --info:#55606B;
  --dark:#10151A;
  --dark-card:#171D24;
  --dark-border:rgba(255,255,255,.10);
  --dark-text:#F2F0EC;
  --dark-muted:rgba(255,255,255,.66);
  --radius-card:14px;
  --radius-btn:10px;
  --radius-input:10px;
  --radius-img:12px;
  --shadow-card:0 1px 2px rgba(16,21,26,.06),0 12px 28px -16px rgba(16,21,26,.18);
  --shadow-hover:0 18px 40px -20px rgba(16,21,26,.24);
  --ease:cubic-bezier(.2,.7,.3,1);
  --container:1240px;
  --font-cn:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Source Han Sans SC","Noto Sans CJK SC",system-ui,-apple-system,"Segoe UI",sans-serif;
  --font-num:"Barlow Condensed","Oswald","Helvetica Neue",Arial,sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:var(--font-cn);
  font-size:16px;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
body.no-scroll{overflow:hidden;}
img{max-width:100%;display:block;}
a{color:var(--primary);text-decoration:none;transition:color 150ms var(--ease);}
a:hover{color:var(--primary-hover);}
button{font-family:inherit;font-size:inherit;cursor:pointer;border:none;background:none;color:inherit;}
h1,h2,h3,h4,p,ul,ol,figure,blockquote{margin:0;}
ul,ol{padding:0;list-style:none;}
input,textarea,select{font-family:inherit;font-size:inherit;color:inherit;}
:focus-visible{outline:2px solid var(--primary);outline-offset:2px;border-radius:4px;}
.skip-link{
  position:absolute;left:16px;top:-60px;z-index:200;
  background:var(--ink);color:#fff;padding:10px 18px;border-radius:8px;font-size:14px;
  transition:top 180ms var(--ease);
}
.skip-link:focus{top:12px;color:#fff;}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px;}
.num{font-family:var(--font-num);font-variant-numeric:tabular-nums;letter-spacing:.02em;}

/* 滚动进度条 */
.progress-bar{
  position:fixed;left:0;top:0;height:3px;width:0;z-index:120;
  background:var(--primary);transition:width 90ms linear;
}

/* 顶部导航 */
.site-header{
  position:sticky;top:0;z-index:100;
  background:#fff;
  border-bottom:1px solid var(--border);
  transition:box-shadow 180ms var(--ease);
}
.site-header.is-scrolled{box-shadow:0 6px 20px -14px rgba(16,21,26,.32);}
.header-inner{
  display:flex;align-items:center;gap:28px;
  height:64px;
}
.brand{display:flex;align-items:center;gap:10px;height:36px;color:var(--ink);}
.brand-mark{
  width:34px;height:34px;border-radius:9px;flex:0 0 34px;
  background:var(--primary);color:#fff;
  display:flex;align-items:center;justify-content:center;
  font-size:17px;font-weight:800;letter-spacing:0;
  box-shadow:0 8px 18px -10px rgba(240,74,33,.85);
}
.brand-text{display:flex;flex-direction:column;line-height:1.12;}
.brand-name{font-size:18px;font-weight:800;letter-spacing:-.01em;color:var(--ink);}
.brand-sub{font-size:11px;letter-spacing:.08em;color:var(--primary);font-weight:700;}
.nav-menu{display:flex;align-items:center;gap:26px;margin-left:8px;}
.nav-link{
  position:relative;color:var(--text);font-size:15px;font-weight:500;padding:6px 0;
  transition:color 150ms var(--ease);
}
.nav-link::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:2px;
  background:var(--primary);transform:scaleX(0);transform-origin:left;
  transition:transform 200ms var(--ease);
}
.nav-link:hover{color:var(--ink);}
.nav-link:hover::after{transform:scaleX(1);}
.nav-link.active{color:var(--primary);font-weight:700;}
.nav-link.active::after{transform:scaleX(1);}
.header-tools{display:flex;align-items:center;gap:12px;margin-left:auto;}
.icon-btn{
  width:40px;height:40px;border-radius:10px;color:var(--ink);
  display:flex;align-items:center;justify-content:center;
  border:1px solid transparent;
  transition:background 150ms var(--ease),border-color 150ms var(--ease);
}
.icon-btn:hover{background:var(--surface);border-color:var(--border);}
.icon-btn svg{width:20px;height:20px;}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border-radius:var(--radius-btn);font-weight:700;font-size:15px;
  padding:12px 22px;line-height:1.2;white-space:nowrap;
  transition:background 150ms var(--ease),color 150ms var(--ease),border-color 150ms var(--ease),transform 150ms var(--ease),box-shadow 150ms var(--ease);
}
.btn svg{width:17px;height:17px;flex:0 0 17px;}
.btn-primary{background:var(--primary);color:#fff;box-shadow:0 10px 22px -14px rgba(240,74,33,.95);}
.btn-primary:hover{background:var(--primary-hover);color:#fff;box-shadow:0 14px 28px -14px rgba(240,74,33,.95);}
.btn-primary:active{background:var(--primary-active);transform:translateY(1px);}
.btn-ghost{background:transparent;color:var(--ink);border:1.5px solid var(--ink);}
.btn-ghost:hover{background:var(--ink);color:#fff;border-color:var(--ink);}
.btn-sm{padding:9px 16px;font-size:14px;}
.btn-light{background:#fff;color:var(--ink);}
.btn-light:hover{background:var(--accent);color:var(--ink);}
.btn-outline-light{background:transparent;color:#fff;border:1.5px solid rgba(255,255,255,.55);}
.btn-outline-light:hover{border-color:#fff;background:rgba(255,255,255,.10);color:#fff;}
.hamburger{
  display:none;width:40px;height:40px;border-radius:10px;color:var(--ink);
  align-items:center;justify-content:center;border:1px solid var(--border);
}
.hamburger svg{width:20px;height:20px;}

/* 搜索浮层 */
.search-layer{
  position:fixed;left:0;right:0;top:0;z-index:130;
  background:#fff;border-bottom:1px solid var(--border);
  box-shadow:0 24px 48px -28px rgba(16,21,26,.35);
  padding:20px 0;
  display:none;
}
.search-layer.is-open{display:block;}
.search-form{display:flex;gap:12px;align-items:center;}
.search-form input{
  flex:1;height:48px;border:1px solid #D9D4CC;border-radius:var(--radius-input);
  padding:0 16px;background:#fff;
}
.search-form input:focus{outline:none;border-color:var(--primary);box-shadow:0 0 0 4px rgba(240,74,33,.12);}
.search-close{margin-left:4px;}

/* 移动抽屉 */
.drawer-mask{
  position:fixed;inset:0;background:rgba(16,21,26,.55);z-index:140;
  opacity:0;visibility:hidden;transition:opacity 220ms var(--ease),visibility 220ms var(--ease);
}
.drawer-mask.is-open{opacity:1;visibility:visible;}
.drawer{
  position:fixed;top:0;right:0;bottom:0;width:86vw;max-width:360px;z-index:150;
  background:#fff;padding:20px;overflow-y:auto;
  transform:translateX(102%);transition:transform 220ms var(--ease);
  display:flex;flex-direction:column;gap:22px;
}
.drawer.is-open{transform:translateX(0);}
.drawer-head{display:flex;align-items:center;justify-content:space-between;}
.drawer-group-title{font-size:12px;letter-spacing:.08em;color:var(--text-muted);font-weight:700;margin-bottom:8px;}
.drawer-link{
  display:block;padding:12px 0;color:var(--ink);font-size:16px;font-weight:600;
  border-bottom:1px solid var(--divider);
}
.drawer-link:hover{color:var(--primary);}
.drawer-contact{font-size:14px;color:var(--text-muted);}
.drawer-contact b{color:var(--ink);display:block;font-size:14px;}
.drawer .btn{width:100%;}

/* 页面主区 */
.page-main{padding:28px 0 0;}
.crumbs{
  display:flex;align-items:center;gap:8px;flex-wrap:wrap;
  font-size:13px;color:var(--text-muted);margin-bottom:22px;
}
.crumbs a{color:var(--text-muted);}
.crumbs a:hover{color:var(--primary);}
.crumbs span.sep{color:#C9C3BA;}
.crumbs .current{color:#5C6670;max-width:46ch;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;}

.article-head{
  padding-bottom:26px;border-bottom:1px solid var(--divider);
}
.badge{
  display:inline-flex;align-items:center;gap:6px;
  padding:5px 12px;border-radius:999px;font-size:12px;letter-spacing:.04em;font-weight:700;
  background:var(--primary-soft);color:var(--primary);
}
.article-head h1{
  font-size:clamp(28px,3vw,40px);line-height:1.3;font-weight:800;
  color:var(--ink);letter-spacing:-.01em;margin:16px 0 18px;
  max-width:900px;
}
.meta-row{
  display:flex;align-items:center;gap:22px;flex-wrap:wrap;
  font-size:14px;color:var(--text-muted);
}
.meta-item{display:inline-flex;align-items:center;gap:7px;}
.meta-item svg{width:16px;height:16px;color:var(--text-muted);}
.meta-actions{margin-left:auto;display:flex;align-items:center;gap:8px;}
.share-btn{
  display:inline-flex;align-items:center;gap:6px;
  padding:7px 12px;border-radius:999px;border:1px solid var(--border);
  font-size:13px;color:var(--text-muted);background:#fff;
  transition:border-color 150ms var(--ease),color 150ms var(--ease);
}
.share-btn:hover{border-color:var(--primary);color:var(--primary);}
.share-btn svg{width:14px;height:14px;}

.article-layout{
  display:grid;grid-template-columns:minmax(0,1fr) 300px;gap:48px;
  padding:44px 0 72px;align-items:start;
}
.article-body{max-width:760px;font-size:17px;line-height:1.85;color:var(--text);}
.article-body > * + *{margin-top:1.4em;}
.article-body p{margin:0;}
.article-body h2{
  font-size:23px;line-height:1.4;font-weight:800;color:var(--ink);
  margin-top:2.2em;margin-bottom:.8em;padding-left:20px;position:relative;
}
.article-body h2::before{
  content:"";position:absolute;left:0;top:.18em;bottom:.18em;width:3px;border-radius:2px;background:var(--primary);
}
.article-body h3{font-size:18px;font-weight:700;color:var(--ink);margin-top:1.8em;margin-bottom:.6em;}
.article-body ul,.article-body ol{padding-left:1.3em;}
.article-body ul{list-style:none;}
.article-body ul li{position:relative;padding-left:14px;margin:.5em 0;}
.article-body ul li::before{
  content:"";position:absolute;left:0;top:.72em;width:6px;height:6px;border-radius:50%;background:var(--primary);
}
.article-body ol{list-style:decimal;}
.article-body ol li{margin:.5em 0;}
.article-body ol::marker,.article-body ol li::marker{color:var(--primary);font-weight:700;}
.article-body blockquote{
  border-left:3px solid var(--primary);background:var(--surface);
  padding:16px 20px;border-radius:0 var(--radius-card) var(--radius-card) 0;color:var(--text);
}
.article-body img{border-radius:var(--radius-img);margin:1.6em 0;border:1px solid var(--border);}
.article-body figure{margin:1.6em 0;}
.article-body figcaption{font-size:13px;color:var(--text-muted);text-align:center;margin-top:.7em;}
.article-body table{
  width:100%;border-collapse:collapse;border:1px solid var(--border);
  border-radius:var(--radius-img);overflow:hidden;font-size:15px;
}
.article-body th{background:var(--surface);font-weight:700;color:var(--ink);text-align:left;}
.article-body th,.article-body td{border:1px solid var(--border);padding:11px 14px;}
.article-body tbody tr:nth-child(even){background:#FCFBF9;}
.article-body a{color:var(--primary);text-decoration:none;border-bottom:1px solid rgba(240,74,33,.35);}
.article-body a:hover{color:var(--primary-hover);border-bottom-color:var(--primary-hover);}
.article-body pre{
  background:#F3F1EE;border:1px solid var(--border);border-radius:var(--radius-img);
  padding:16px 18px;overflow-x:auto;font-size:14px;line-height:1.7;
  font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
}
.article-body code{
  font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
  background:#F3F1EE;padding:2px 6px;border-radius:6px;font-size:.92em;
}
.article-body pre code{background:none;padding:0;}

.empty-state{
  max-width:760px;background:#fff;border:1px solid var(--border);border-radius:var(--radius-card);
  padding:56px 28px;text-align:center;box-shadow:var(--shadow-card);
}
.empty-state .empty-icon{
  width:56px;height:56px;margin:0 auto 18px;border-radius:16px;background:var(--primary-soft);
  display:flex;align-items:center;justify-content:center;color:var(--primary);
}
.empty-state .empty-icon svg{width:26px;height:26px;}
.empty-state h2{font-size:22px;font-weight:800;color:var(--ink);}
.empty-state p{color:var(--text-muted);margin:10px 0 22px;font-size:15px;}

/* 标签 */
.tag-list{display:flex;flex-wrap:wrap;gap:10px;margin-top:44px;}
.tag{
  display:inline-flex;align-items:center;padding:6px 14px;border-radius:999px;
  background:#fff;border:1px solid var(--border);color:var(--text-muted);font-size:13px;
  transition:border-color 150ms var(--ease),color 150ms var(--ease),background 150ms var(--ease);
}
.tag:hover{border-color:var(--primary);color:var(--primary);background:var(--primary-soft);}

/* 上一篇/下一篇 */
.post-nav{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin-top:32px;max-width:760px;}
.post-nav-card{
  display:block;background:#fff;border:1px solid var(--border);border-radius:var(--radius-card);
  padding:18px 20px;box-shadow:var(--shadow-card);
  transition:transform 150ms var(--ease),box-shadow 150ms var(--ease),border-color 150ms var(--ease);
}
.post-nav-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-hover);border-color:#DAD4CC;}
.post-nav-card .pn-label{font-size:12px;letter-spacing:.06em;color:var(--text-muted);font-weight:700;}
.post-nav-card .pn-title{
  display:block;margin-top:8px;color:var(--ink);font-weight:700;font-size:15px;
  overflow:hidden;text-overflow:ellipsis;white-space:nowrap;
}
.post-nav-card:hover .pn-title{color:var(--primary);}

/* 返回列表 */
.back-row{margin-top:26px;max-width:760px;}
.link-arrow{
  display:inline-flex;align-items:center;gap:6px;color:var(--primary);font-weight:700;font-size:15px;
}
.link-arrow span.arrow{transition:transform 150ms var(--ease);}
.link-arrow:hover span.arrow{transform:translateX(4px);}

/* 相关推荐 */
.rel-section{margin-top:64px;padding-top:40px;border-top:1px solid var(--divider);}
.rel-head{display:flex;align-items:baseline;justify-content:space-between;gap:16px;margin-bottom:24px;}
.rel-head h2{font-size:22px;font-weight:800;color:var(--ink);}
.rel-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px;}
.card{
  background:#fff;border:1px solid var(--border);border-radius:var(--radius-card);
  overflow:hidden;box-shadow:var(--shadow-card);
  transition:transform 150ms var(--ease),box-shadow 150ms var(--ease),border-color 150ms var(--ease);
  display:flex;flex-direction:column;
}
.card:hover{transform:translateY(-2px);box-shadow:var(--shadow-hover);border-color:#DAD4CC;}
.card-cover{
  aspect-ratio:16/10;width:100%;object-fit:cover;background:var(--surface);border-bottom:1px solid var(--border);
}
.card-body{padding:20px;display:flex;flex-direction:column;gap:10px;flex:1;}
.card-body h3{font-size:17px;font-weight:700;color:var(--ink);line-height:1.45;}
.card:hover .card-body h3{color:var(--primary);}
.card-body p{font-size:14px;color:var(--text-muted);line-height:1.7;}
.card-foot{margin-top:auto;display:flex;align-items:center;justify-content:space-between;font-size:13px;color:var(--text-muted);}

/* 侧栏 */
.side{position:sticky;top:88px;display:flex;flex-direction:column;gap:20px;}
.side-card{
  background:#fff;border:1px solid var(--border);border-radius:var(--radius-card);
  padding:20px;box-shadow:var(--shadow-card);
}
.side-card h3{
  font-size:14px;font-weight:800;color:var(--ink);letter-spacing:.02em;
  display:flex;align-items:center;gap:8px;margin-bottom:14px;
}
.side-card h3::before{content:"";width:3px;height:14px;border-radius:2px;background:var(--primary);}
.toc-list{display:flex;flex-direction:column;gap:2px;max-height:320px;overflow-y:auto;}
.toc-list a{
  display:block;font-size:14px;color:var(--text-muted);padding:7px 10px;border-radius:8px;
  border-left:2px solid transparent;line-height:1.5;
  transition:color 150ms var(--ease),background 150ms var(--ease),border-color 150ms var(--ease);
}
.toc-list a:hover{background:var(--surface);color:var(--ink);}
.toc-list a.is-active{color:var(--primary);border-left-color:var(--primary);background:var(--primary-soft);font-weight:700;}
.toc-empty{font-size:14px;color:var(--text-muted);}
.side-list{display:flex;flex-direction:column;gap:12px;}
.side-list a{
  display:flex;gap:12px;align-items:flex-start;color:var(--text);font-size:14px;line-height:1.6;
  transition:color 150ms var(--ease);
}
.side-list a:hover{color:var(--primary);}
.side-list .idx{
  font-family:var(--font-num);font-size:18px;font-weight:700;color:var(--primary);
  line-height:1;min-width:22px;padding-top:3px;
}
.side-cta{
  background:var(--primary-soft);border:1px solid #F7D8CC;border-radius:var(--radius-card);padding:22px;
}
.side-cta h3{font-size:18px;font-weight:800;color:var(--ink);margin-bottom:8px;}
.side-cta h3::before{display:none;}
.side-cta p{font-size:14px;color:#6E5A52;margin-bottom:16px;line-height:1.7;}
.side-cta .btn{width:100%;}

/* 底部 CTA */
.cta-band{
  position:relative;overflow:hidden;background:var(--dark);color:var(--dark-text);
  border-radius:18px;padding:48px 44px;margin:0 0 72px;
}
.cta-band::before{
  content:"";position:absolute;inset:0;
  background:url("/assets/images/backpic/back-1.webp") center/cover no-repeat;
  opacity:.20;mix-blend-mode:luminosity;
}
.cta-inner{position:relative;display:flex;align-items:center;gap:32px;flex-wrap:wrap;}
.cta-copy{border-left:3px solid var(--primary);padding-left:22px;flex:1 1 420px;}
.cta-copy h2{font-size:clamp(22px,2.2vw,30px);font-weight:800;line-height:1.3;color:#fff;}
.cta-copy p{margin-top:10px;color:var(--dark-muted);font-size:15px;}
.cta-actions{display:flex;gap:12px;flex-wrap:wrap;}

/* 返回顶部 */
.to-top{
  position:fixed;right:24px;bottom:24px;width:48px;height:48px;border-radius:50%;
  background:var(--ink);color:#fff;display:flex;align-items:center;justify-content:center;
  box-shadow:0 16px 32px -18px rgba(16,21,26,.75);
  opacity:0;visibility:hidden;transform:translateY(10px);
  transition:opacity 200ms var(--ease),transform 200ms var(--ease),visibility 200ms var(--ease),background 150ms var(--ease);
  z-index:90;
}
.to-top.is-visible{opacity:1;visibility:visible;transform:translateY(0);}
.to-top:hover{background:var(--primary);}
.to-top svg{width:20px;height:20px;}

/* 页脚 */
.site-footer{background:var(--dark);color:var(--dark-text);padding:64px 0 28px;margin-top:0;}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:40px;}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px;}
.footer-brand .brand-mark{background:var(--primary);}
.footer-brand .brand-name{color:#fff;font-size:18px;font-weight:800;display:block;}
.footer-brand .brand-sub{color:var(--accent);font-size:11px;letter-spacing:.08em;font-weight:700;display:block;}
.footer-desc{color:var(--dark-muted);font-size:14px;line-height:1.7;max-width:280px;}
.qr{
  margin-top:18px;display:inline-flex;align-items:center;gap:10px;
  border:1px solid var(--dark-border);border-radius:12px;padding:10px 14px;
  font-size:13px;color:var(--dark-muted);
}
.qr svg{width:24px;height:24px;color:var(--accent);}
.footer-col h3{
  font-size:14px;font-weight:800;color:#fff;letter-spacing:.04em;margin-bottom:16px;
}
.footer-links{display:flex;flex-direction:column;gap:10px;}
.footer-links a{color:var(--dark-muted);font-size:14px;}
.footer-links a:hover{color:var(--accent);}
.footer-contact{display:flex;flex-direction:column;gap:12px;}
.footer-contact li{font-size:14px;color:var(--dark-muted);line-height:1.6;}
.footer-contact b{display:block;color:#fff;font-size:13px;font-weight:700;letter-spacing:.02em;}
.footer-contact a{color:var(--accent);}
.footer-bottom{
  margin-top:44px;padding-top:20px;border-top:1px solid var(--dark-border);
  display:flex;align-items:center;justify-content:space-between;gap:14px;flex-wrap:wrap;
  font-size:13px;color:rgba(255,255,255,.52);
}
.footer-bottom a{color:rgba(255,255,255,.72);}
.footer-bottom a:hover{color:var(--accent);}

/* 响应式 */
@media (min-width:1600px){
  :root{--container:1360px;}
}
@media (max-width:1199px){
  .container{padding:0 20px;}
  .nav-menu{gap:20px;}
}
@media (max-width:991px){
  .nav-menu,.header-tools .btn-ghost{display:none;}
  .hamburger{display:flex;}
  .article-layout{grid-template-columns:minmax(0,1fr);gap:32px;padding:32px 0 56px;}
  .side{position:static;top:auto;}
  .rel-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
  .cta-band{padding:38px 26px;border-radius:16px;}
}
@media (max-width:767px){
  .header-inner{height:56px;gap:16px;}
  .brand-name{font-size:16px;}
  .article-body{font-size:16px;}
  .post-nav{grid-template-columns:1fr;}
  .rel-grid{grid-template-columns:minmax(0,1fr);}
  .footer-grid{grid-template-columns:1fr;gap:28px;}
  .cta-actions{width:100%;}
  .cta-actions .btn{flex:1 1 auto;}
  .meta-actions{margin-left:0;width:100%;}
}
@media (max-width:575px){
  .container{padding:0 16px;}
  .article-head h1{font-size:26px;}
  .rel-head{flex-direction:column;align-items:flex-start;gap:6px;}
  .to-top{right:16px;bottom:16px;width:44px;height:44px;}
}
@media (prefers-reduced-motion:reduce){
  *{animation-duration:.001ms !important;transition-duration:.001ms !important;}
  html{scroll-behavior:auto;}
}

/* roulang page: category2 */
/* ===== 设计令牌 ===== */
:root{
  --brand:#F04A21;
  --brand-hover:#D63C16;
  --brand-press:#B6300F;
  --brand-soft:#FDEDE7;
  --ink:#10151A;
  --text:#2B3238;
  --muted:#5C6670;
  --bg:#F6F4F1;
  --card:#FFFFFF;
  --sand:#FAF8F5;
  --line:#E6E2DC;
  --divider:#EFEBE5;
  --accent:#C6F24E;
  --ok:#1F9D63;
  --warn:#E0A800;
  --err:#D5372C;
  --info:#55606B;
  --d-bg:#10151A;
  --d-card:#171D24;
  --d-line:rgba(255,255,255,.10);
  --d-text:#F2F0EC;
  --d-muted:rgba(255,255,255,.66);
  --r-card:14px;
  --r-btn:10px;
  --r-img:12px;
  --r-input:10px;
  --sh-card:0 1px 2px rgba(16,21,26,.06), 0 12px 28px -16px rgba(16,21,26,.18);
  --sh-hover:0 18px 40px -20px rgba(16,21,26,.24);
  --sh-nav:0 1px 0 rgba(16,21,26,.04), 0 8px 24px -18px rgba(16,21,26,.30);
  --ease:cubic-bezier(.2,.7,.3,1);
  --nav-h:64px;
  --pad-section:96px;
}

/* ===== reset / base ===== */
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Source Han Sans SC",system-ui,-apple-system,sans-serif;
  font-size:16px;
  line-height:1.75;
  color:var(--text);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
body.no-scroll{overflow:hidden}
img{max-width:100%;display:block;height:auto}
a{color:inherit;text-decoration:none}
button{font:inherit;color:inherit;background:none;border:none;cursor:pointer}
h1,h2,h3,h4{margin:0;color:var(--ink);font-weight:800;letter-spacing:-.01em}
p{margin:0}
ul{margin:0;padding:0;list-style:none}
.num{font-family:"Barlow Condensed","Oswald","PingFang SC",system-ui,sans-serif;font-feature-settings:"tnum";letter-spacing:.02em}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:4px}

.skip-link{
  position:absolute;left:16px;top:-60px;z-index:200;
  background:var(--ink);color:#fff;padding:10px 16px;border-radius:var(--r-btn);
  font-size:14px;transition:top .15s var(--ease);
}
.skip-link:focus{top:12px}

.container{width:100%;max-width:1240px;margin:0 auto;padding:0 24px}
@media (min-width:1600px){.container{max-width:1360px}}

/* ===== 通用按钮 ===== */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  font-size:15px;font-weight:700;line-height:1;
  border-radius:var(--r-btn);padding:15px 26px;
  transition:background-color .15s var(--ease),color .15s var(--ease),border-color .15s var(--ease),transform .15s var(--ease),box-shadow .15s var(--ease);
  white-space:nowrap;
}
.btn svg{width:18px;height:18px;flex:0 0 auto}
.btn-primary{background:var(--brand);color:#fff;border:1.5px solid var(--brand)}
.btn-primary:hover{background:var(--brand-hover);border-color:var(--brand-hover);transform:translateY(-1px);box-shadow:0 12px 24px -14px rgba(240,74,33,.75)}
.btn-primary:active{background:var(--brand-press);border-color:var(--brand-press);transform:translateY(0)}
.btn-outline{background:transparent;color:var(--ink);border:1.5px solid var(--ink)}
.btn-outline:hover{background:var(--ink);color:#fff}
.btn-sm{padding:11px 20px;font-size:14px}
.btn-onDark{background:#fff;color:var(--ink);border:1.5px solid #fff}
.btn-onDark:hover{background:var(--accent);border-color:var(--accent);color:var(--ink)}
.btn-outlineDark{background:transparent;color:#fff;border:1.5px solid rgba(255,255,255,.45)}
.btn-outlineDark:hover{background:#fff;color:var(--ink);border-color:#fff}
.link-arrow{
  display:inline-flex;align-items:center;gap:6px;
  font-size:14px;font-weight:700;color:var(--brand);
}
.link-arrow svg{width:16px;height:16px;transition:transform .15s var(--ease)}
.link-arrow:hover svg{transform:translateX(4px)}
.link-arrow span{position:relative}
.link-arrow span::after{
  content:"";position:absolute;left:0;right:0;bottom:-3px;height:1.5px;background:currentColor;
  transform:scaleX(0);transform-origin:left;transition:transform .15s var(--ease);
}
.link-arrow:hover span::after{transform:scaleX(1)}

/* ===== 徽章 / 标签 ===== */
.badge{
  display:inline-flex;align-items:center;gap:6px;
  font-size:12px;letter-spacing:.04em;font-weight:700;
  padding:5px 12px;border-radius:999px;
  background:var(--brand-soft);color:var(--brand);
}
.badge-line{background:transparent;border:1px solid var(--line);color:var(--muted)}
.eyebrow{
  display:inline-flex;align-items:center;gap:10px;
  font-size:12px;letter-spacing:.06em;font-weight:700;color:var(--brand);
}
.eyebrow i{width:8px;height:8px;border-radius:50%;background:var(--accent);display:inline-block;flex:0 0 auto}
.eyebrow b{font-family:"Barlow Condensed","Oswald",sans-serif;font-weight:700;font-size:14px;letter-spacing:.08em;color:var(--brand)}

/* ===== 导航 ===== */
.site-header{
  position:sticky;top:0;z-index:90;
  background:var(--card);
  border-bottom:1px solid var(--line);
  box-shadow:var(--sh-nav);
}
.header-inner{display:flex;align-items:center;gap:20px;height:var(--nav-h)}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.brand-mark{
  width:36px;height:36px;border-radius:10px;
  background:var(--brand);color:#fff;
  display:grid;place-items:center;
  font-size:17px;font-weight:800;letter-spacing:0;
  box-shadow:0 8px 18px -12px rgba(240,74,33,.9);
}
.brand-text{display:flex;flex-direction:column;line-height:1.1}
.brand-name{font-size:18px;font-weight:800;color:var(--ink);letter-spacing:-.01em}
.brand-sub{font-size:11px;letter-spacing:.08em;color:var(--brand);font-weight:700}

.nav-menu{display:flex;align-items:center;gap:28px;margin-left:14px}
.nav-link{
  position:relative;font-size:15px;font-weight:500;color:var(--text);
  padding:8px 2px;transition:color .15s var(--ease);
}
.nav-link::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:2px;background:var(--brand);
  transform:scaleX(0);transform-origin:left;transition:transform .15s var(--ease);
}
.nav-link:hover{color:var(--brand)}
.nav-link:hover::after{transform:scaleX(1)}
.nav-link.active{color:var(--ink);font-weight:700}
.nav-link.active::after{transform:scaleX(1)}

.nav-actions{margin-left:auto;display:flex;align-items:center;gap:10px}
.icon-btn{
  width:40px;height:40px;border-radius:var(--r-btn);
  display:grid;place-items:center;color:var(--text);
  border:1px solid transparent;
  transition:background-color .15s var(--ease),color .15s var(--ease),border-color .15s var(--ease);
}
.icon-btn:hover{background:var(--sand);border-color:var(--line);color:var(--brand)}
.icon-btn svg{width:20px;height:20px}
.btn-lock svg{width:16px;height:16px}
.hamburger{display:none;width:42px;height:42px;border-radius:var(--r-btn);border:1px solid var(--line);place-items:center;color:var(--ink)}
.hamburger svg{width:22px;height:22px}
.hamburger:hover{background:var(--sand)}

/* 抽屉 */
.drawer-mask{
  position:fixed;inset:0;background:rgba(16,21,26,.55);
  opacity:0;visibility:hidden;transition:opacity .22s var(--ease),visibility .22s var(--ease);z-index:120;
}
.drawer-mask.is-open{opacity:1;visibility:visible}
.drawer{
  position:fixed;top:0;right:0;bottom:0;width:86vw;max-width:360px;z-index:130;
  background:var(--card);padding:20px 22px 32px;
  transform:translateX(102%);transition:transform .22s var(--ease);
  overflow-y:auto;box-shadow:-20px 0 50px -30px rgba(16,21,26,.6);
}
.drawer.is-open{transform:translateX(0)}
.drawer-head{display:flex;align-items:center;justify-content:space-between;gap:12px;padding-bottom:16px;border-bottom:1px solid var(--divider)}
.drawer-close{width:40px;height:40px;border-radius:var(--r-btn);border:1px solid var(--line);display:grid;place-items:center}
.drawer-close svg{width:20px;height:20px}
.drawer-close:hover{background:var(--sand);color:var(--brand)}
.drawer-group{margin-top:22px}
.drawer-group h3{font-size:12px;letter-spacing:.08em;color:var(--muted);font-weight:700;margin-bottom:10px}
.drawer-group a{
  display:flex;align-items:center;justify-content:space-between;
  padding:13px 14px;border-radius:var(--r-btn);font-size:15px;font-weight:600;color:var(--text);
  border:1px solid transparent;
}
.drawer-group a:hover{background:var(--sand);border-color:var(--line);color:var(--brand)}
.drawer-group a[aria-current="page"]{background:var(--brand-soft);color:var(--brand);border-color:rgba(240,74,33,.2)}
.drawer-search{display:flex;margin-top:8px}
.drawer-search input{
  width:100%;height:48px;border:1px solid #D9D4CC;border-radius:var(--r-input);
  padding:0 14px;font-size:15px;background:#fff;color:var(--text);
}
.drawer-search input:focus{outline:none;border-color:var(--brand);box-shadow:0 0 0 4px rgba(240,74,33,.12)}
.drawer-cta{margin-top:18px;display:grid;gap:10px}
.drawer-contact{margin-top:22px;font-size:13px;color:var(--muted);border-top:1px solid var(--divider);padding-top:16px;line-height:2}

/* ===== 面包屑 ===== */
.breadcrumb{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px;
  font-size:13px;color:var(--muted);margin-bottom:22px;
}
.breadcrumb a{color:var(--muted);transition:color .15s var(--ease)}
.breadcrumb a:hover{color:var(--brand)}
.breadcrumb .sep{color:#C8C1B8}
.breadcrumb .current{color:var(--muted)}

/* ===== 分类页 2 次级 Hero ===== */
.cat-hero{
  position:relative;overflow:hidden;
  background:var(--sand);
  border-bottom:1px solid var(--line);
  padding:64px 0 58px;
}
.cat-hero::before{
  content:"";position:absolute;left:0;right:0;top:0;height:100%;
  background-image:url(/assets/images/backpic/back-2.png);
  background-size:cover;background-position:center right;
  opacity:.07;pointer-events:none;
}
.hero-slice{
  position:absolute;left:0;right:0;bottom:-70px;height:220px;
  background:linear-gradient(180deg,rgba(240,74,33,.10),rgba(240,74,33,0));
  transform:skewY(-5deg);pointer-events:none;
}
.hero-rings{position:absolute;top:-90px;right:-80px;width:520px;height:420px;pointer-events:none}
.hero-rings span{position:absolute;border:2px solid var(--brand);border-radius:50%;opacity:.14}
.hero-rings span:nth-child(1){width:300px;height:300px;right:40px;top:60px}
.hero-rings span:nth-child(2){width:430px;height:430px;right:-20px;top:10px;opacity:.09}
.hero-rings span:nth-child(3){width:170px;height:170px;right:130px;top:140px;opacity:.20}
.hero-ticks{
  position:absolute;left:0;bottom:0;width:100%;height:16px;
  background-image:repeating-linear-gradient(90deg,rgba(16,21,26,.16) 0 2px,transparent 2px 28px);
  opacity:.5;pointer-events:none;
}
.cat-hero-inner{position:relative;z-index:2;max-width:820px}
.cat-hero h1{
  font-size:clamp(30px,3.6vw,46px);line-height:1.2;
  margin:16px 0 16px;max-width:22em;
}
.cat-hero .lead{font-size:17px;color:var(--muted);max-width:36em;line-height:1.8}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:28px}
.hero-facts{
  display:flex;flex-wrap:wrap;gap:14px 34px;margin-top:34px;
  padding-top:22px;border-top:1px solid var(--line);
}
.hero-facts li{display:flex;align-items:center;gap:10px;font-size:14px;color:var(--muted)}
.hero-facts li b{font-size:14px;color:var(--ink);font-weight:700}
.hero-facts li i{width:8px;height:8px;border-radius:50%;background:var(--ok);flex:0 0 auto}

/* ===== 锚点条 ===== */
.anchor-bar{
  position:sticky;top:var(--nav-h);z-index:80;
  background:rgba(255,255,255,.96);
  backdrop-filter:blur(8px);
  border-bottom:1px solid var(--line);
}
.anchor-inner{display:flex;gap:28px;overflow-x:auto;scrollbar-width:none}
.anchor-inner::-webkit-scrollbar{display:none}
.anchor-link{
  position:relative;flex:0 0 auto;padding:15px 0;
  font-size:14px;font-weight:600;color:var(--muted);
  transition:color .15s var(--ease);
}
.anchor-link::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:2px;background:var(--brand);
  transform:scaleX(0);transform-origin:left;transition:transform .15s var(--ease);
}
.anchor-link:hover{color:var(--ink)}
.anchor-link.is-active{color:var(--ink)}
.anchor-link.is-active::after{transform:scaleX(1)}

/* ===== 板块基础 ===== */
.section{padding:var(--pad-section) 0}
.section-alt{background:var(--card);border-top:1px solid var(--divider);border-bottom:1px solid var(--divider)}
.section-sand{background:var(--sand);border-top:1px solid var(--divider);border-bottom:1px solid var(--divider)}
.section-head{max-width:760px;margin-bottom:44px}
.section-head h2{font-size:clamp(24px,2.4vw,34px);line-height:1.25;margin:14px 0 14px}
.section-head p{color:var(--muted);font-size:16px}
.section-head-row{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:44px}
.section-head-row .section-head{margin-bottom:0}
[id]{scroll-margin-top:132px}

/* ===== 场景卡（非对称两行） ===== */
.scene-row{display:grid;grid-template-columns:1.45fr 1fr;gap:24px}
.scene-row + .scene-row{margin-top:24px}
.scene-row-flip{grid-template-columns:1fr 1.45fr}
.scene-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);
  box-shadow:var(--sh-card);overflow:hidden;display:flex;flex-direction:column;
  transition:transform .15s var(--ease),box-shadow .15s var(--ease),border-color .15s var(--ease);
}
.scene-card:hover{transform:translateY(-2px);box-shadow:var(--sh-hover);border-color:#DCD6CD}
.scene-card.is-wide{display:grid;grid-template-columns:1.02fr .98fr}
.scene-card.is-wide .scene-media{height:100%;min-height:300px}
.scene-media{
  position:relative;background:var(--sand);overflow:hidden;
}
.scene-card:not(.is-wide) .scene-media{aspect-ratio:16/10}
.scene-media img{width:100%;height:100%;object-fit:cover;transition:transform .35s var(--ease)}
.scene-card:hover .scene-media img{transform:scale(1.03)}
.scene-media .tag{
  position:absolute;left:14px;top:14px;
  background:rgba(16,21,26,.78);color:#fff;font-size:12px;font-weight:700;
  letter-spacing:.04em;padding:5px 12px;border-radius:999px;
}
.scene-body{padding:26px 26px 24px;display:flex;flex-direction:column;gap:12px}
.scene-body h3{font-size:20px;line-height:1.4}
.scene-body p{color:var(--muted);font-size:15px}
.check-list{display:grid;gap:9px;margin:2px 0 4px}
.check-list li{display:flex;gap:9px;font-size:14px;color:var(--text);line-height:1.6}
.check-list li svg{width:17px;height:17px;flex:0 0 auto;color:var(--brand);margin-top:3px}
.scene-body .link-arrow{margin-top:auto}

/* ===== 对比表 ===== */
.table-wrap{
  overflow-x:auto;border:1px solid var(--line);border-radius:var(--r-card);
  background:var(--card);box-shadow:var(--sh-card);
}
table.compare{width:100%;min-width:760px;border-collapse:collapse;font-size:14.5px}
table.compare th,table.compare td{
  padding:16px 18px;text-align:left;border-bottom:1px solid var(--divider);vertical-align:top;
}
table.compare thead th{
  background:var(--sand);color:var(--ink);font-size:14px;font-weight:800;
  border-bottom:1px solid var(--line);
}
table.compare thead th .th-sub{display:block;font-size:12px;font-weight:600;color:var(--muted);letter-spacing:.04em;margin-top:4px}
table.compare tbody tr:nth-child(even){background:#FDFCFA}
table.compare tbody tr:last-child td{border-bottom:none}
table.compare td:first-child{font-weight:700;color:var(--ink);white-space:nowrap}
.col-rec{background:var(--brand-soft)!important;position:relative}
table.compare thead th.col-rec{border-top:2px solid var(--brand)}
.rec-flag{
  display:inline-flex;align-items:center;gap:6px;font-size:11px;font-weight:800;
  letter-spacing:.06em;color:var(--brand);background:#fff;border:1px solid rgba(240,74,33,.28);
  padding:2px 9px;border-radius:999px;margin-left:8px;vertical-align:middle;
}
.mark-yes{color:var(--ok);font-weight:700}
.mark-no{color:#A9A29A}
.table-note{margin-top:14px;font-size:13px;color:var(--muted)}

/* ===== 服务对象横条 ===== */
.client-strip{
  display:flex;gap:12px;overflow-x:auto;padding:6px 0 14px;scrollbar-width:none;
}
.client-strip::-webkit-scrollbar{display:none}
.client-chip{
  flex:0 0 auto;display:flex;align-items:center;gap:10px;
  background:var(--card);border:1px solid var(--line);border-radius:999px;
  padding:11px 20px;font-size:14px;font-weight:600;color:var(--text);
  transition:border-color .15s var(--ease),color .15s var(--ease),transform .15s var(--ease);
}
.client-chip:hover{border-color:var(--brand);color:var(--brand);transform:translateY(-2px)}
.client-chip .dot{width:8px;height:8px;border-radius:50%;background:var(--accent);flex:0 0 auto}
.client-chip .dot.warn{background:var(--warn)}
.client-chip .dot.info{background:var(--info)}

/* ===== 流程轴 ===== */
.process-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:0;border-top:1px solid var(--line);position:relative}
.process-step{padding:28px 26px 26px 0;position:relative}
.process-step::before{
  content:"";position:absolute;top:-5px;left:0;width:10px;height:10px;border-radius:50%;
  background:var(--brand);
}
.process-step .step-no{
  font-family:"Barlow Condensed","Oswald",sans-serif;font-size:34px;font-weight:700;
  color:var(--brand);line-height:1;letter-spacing:.04em;
}
.process-step h3{font-size:17px;margin:10px 0 8px}
.process-step p{font-size:14px;color:var(--muted)}
.process-step + .process-step{padding-left:26px;border-left:1px solid var(--divider)}

/* ===== FAQ ===== */
.faq-wrap{max-width:800px;margin:0 auto}
.faq-item{border-bottom:1px solid var(--divider)}
.faq-item:first-child{border-top:1px solid var(--divider)}
.faq-q{
  width:100%;display:flex;align-items:flex-start;justify-content:space-between;gap:20px;
  text-align:left;padding:22px 0;font-size:17px;font-weight:700;color:var(--ink);
  transition:color .15s var(--ease);
}
.faq-q:hover{color:var(--brand)}
.faq-icon{
  flex:0 0 auto;width:26px;height:26px;border-radius:50%;
  border:1.5px solid var(--line);display:grid;place-items:center;
  transition:transform .22s var(--ease),border-color .15s var(--ease),background-color .15s var(--ease);
  margin-top:2px;
}
.faq-icon svg{width:14px;height:14px}
.faq-item.is-open .faq-icon{transform:rotate(45deg);border-color:var(--brand);background:var(--brand-soft);color:var(--brand)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .22s var(--ease)}
.faq-a p{padding:0 46px 22px 0;font-size:15px;line-height:1.8;color:var(--muted)}

/* ===== 深色 CTA ===== */
.cta-band{
  position:relative;overflow:hidden;background:var(--d-bg);color:var(--d-text);
  padding:78px 0;
}
.cta-band::before{
  content:"";position:absolute;inset:0;
  background-image:url(/assets/images/backpic/back-3.webp);
  background-size:cover;background-position:center;
  opacity:.20;pointer-events:none;
}
.cta-inner{position:relative;z-index:2;display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:32px}
.cta-copy{border-left:3px solid var(--brand);padding-left:22px;max-width:620px}
.cta-copy h2{color:var(--d-text);font-size:clamp(24px,2.4vw,32px);line-height:1.3;margin-bottom:12px}
.cta-copy p{color:var(--d-muted);font-size:15px}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px}

/* ===== 页脚 ===== */
.site-footer{background:var(--d-bg);color:var(--d-muted);padding:64px 0 26px}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.25fr;gap:36px}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px}
.footer-brand .brand-mark{width:36px;height:36px;border-radius:10px;background:var(--brand);color:#fff;display:grid;place-items:center;font-weight:800;font-size:17px}
.footer-brand .brand-text{display:flex;flex-direction:column;line-height:1.1}
.footer-brand .brand-name{color:var(--d-text);font-size:17px;font-weight:800}
.footer-brand .brand-sub{color:var(--brand);font-size:11px;font-weight:700;letter-spacing:.08em}
.footer-desc{font-size:14px;line-height:1.75;margin-bottom:18px}
.qr{
  display:inline-flex;align-items:center;gap:10px;
  border:1px solid var(--d-line);border-radius:var(--r-btn);
  padding:10px 14px;font-size:13px;color:var(--d-muted);
  background:var(--d-card);
}
.qr svg{width:22px;height:22px;color:var(--brand)}
.footer-col h3{color:var(--d-text);font-size:14px;letter-spacing:.06em;font-weight:800;margin-bottom:16px}
.footer-links{display:grid;gap:11px}
.footer-links a{font-size:14px;color:var(--d-muted);transition:color .15s var(--ease)}
.footer-links a:hover{color:var(--brand)}
.footer-contact{display:grid;gap:11px;font-size:14px}
.footer-contact b{color:var(--d-text);font-weight:700;margin-right:8px}
.footer-bottom{
  margin-top:48px;padding-top:20px;border-top:1px solid var(--d-line);
  display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;
  font-size:13px;color:rgba(255,255,255,.5);
}
.footer-bottom a{color:rgba(255,255,255,.72)}
.footer-bottom a:hover{color:var(--brand)}

/* ===== 回到顶部 ===== */
.to-top{
  position:fixed;right:24px;bottom:24px;width:48px;height:48px;border-radius:50%;
  background:var(--ink);color:#fff;display:grid;place-items:center;z-index:100;
  box-shadow:0 16px 30px -18px rgba(16,21,26,.9);
  opacity:0;visibility:hidden;transform:translateY(10px);
  transition:opacity .22s var(--ease),transform .22s var(--ease),visibility .22s var(--ease),background-color .15s var(--ease);
}
.to-top.is-visible{opacity:1;visibility:visible;transform:translateY(0)}
.to-top:hover{background:var(--brand)}
.to-top svg{width:20px;height:20px}

/* ===== 响应式 ===== */
@media (max-width:1199px){
  :root{--pad-section:80px}
  .footer-grid{grid-template-columns:1.4fr 1fr 1fr;gap:30px}
}
@media (max-width:991px){
  :root{--nav-h:56px;--pad-section:72px}
  .nav-menu{display:none}
  .btn-lock{display:none}
  .hamburger{display:grid}
  .brand-name{font-size:16px}
  .cat-hero{padding:48px 0 44px}
  .scene-row,.scene-row-flip{grid-template-columns:1fr}
  .scene-card.is-wide{grid-template-columns:1fr}
  .scene-card.is-wide .scene-media{min-height:0;aspect-ratio:16/10}
  .process-grid{grid-template-columns:1fr 1fr}
  .process-step + .process-step{padding-left:0;border-left:none}
  .process-step{padding:24px 20px 22px 0}
  .process-step:nth-child(even){padding-left:22px;border-left:1px solid var(--divider);padding-right:0}
  .process-step:nth-child(n+3){border-top:1px solid var(--divider);margin-top:-1px}
  .footer-grid{grid-template-columns:1fr 1fr}
}
@media (max-width:767px){
  :root{--pad-section:56px}
  .container{padding:0 20px}
  .cat-hero h1{font-size:clamp(26px,7vw,32px)}
  .cat-hero .lead{font-size:16px}
  .hero-actions .btn{width:100%}
  .hero-facts{gap:10px 20px;flex-direction:column;align-items:flex-start}
  .section-head h2{margin-top:12px}
  .cta-copy{padding-left:16px}
  .cta-actions{width:100%}
  .cta-actions .btn{flex:1 1 100%}
  .footer-grid{grid-template-columns:1fr}
  .footer-bottom{flex-direction:column;align-items:flex-start}
  .to-top{right:16px;bottom:16px}
  .faq-q{font-size:16px}
  .faq-a p{padding-right:0}
}
@media (max-width:575px){
  .process-grid{grid-template-columns:1fr}
  .process-step:nth-child(even){padding-left:0;border-left:none}
  .process-step:nth-child(n+2){border-top:1px solid var(--divider)}
  .brand-sub{display:none}
}

/* ===== 动效偏好 ===== */
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{transition:none!important;animation:none!important}
  .scene-card:hover,.client-chip:hover,.btn-primary:hover{transform:none}
}