/* roulang page: index */
:root{
  --main:#2E6BE6;
  --main-600:#1D56CC;
  --main-soft:#EAF1FD;
  --teal:#14B8A6;
  --teal-soft:#E6FAF7;
  --bg:#F7FAFC;
  --card:#ffffff;
  --ink:#1E2A3A;
  --ink-2:#58708C;
  --muted:#8AA0BB;
  --line:#E2EAF2;
  --radius-lg:20px;
  --radius-md:14px;
  --radius-sm:10px;
  --r-pill:999px;
  --shadow-sm:0 2px 6px rgba(30,55,90,.04);
  --shadow-card:0 8px 24px rgba(30,55,90,.06);
  --shadow-hover:0 14px 36px rgba(30,55,90,.11);
  --section-y:90px;
  --body-bg:#F7FAFC;
}

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

html{
  scroll-behavior:smooth;
}

body{
  margin:0;
  font-family:"PingFang SC","Microsoft YaHei UI","Microsoft YaHei","Noto Sans SC","Source Han Sans SC",system-ui,-apple-system,sans-serif;
  font-size:16px;
  line-height:1.7;
  color:var(--ink);
  background:var(--body-bg);
  -webkit-font-smoothing:antialiased;
}

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

a{
  color:inherit;
  text-decoration:none;
  transition:color .25s ease;
}

a:focus-visible,
button:focus-visible,
summary:focus-visible{
  outline:2px solid rgba(46,107,230,.45);
  outline-offset:3px;
  border-radius:6px;
}

button{
  font-family:inherit;
  cursor:pointer;
  border:none;
  background:none;
}

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

.container{
  max-width:1200px;
  margin:0 auto;
  padding:0 24px;
}

.container-wide{
  max-width:1200px;
  margin:0 auto;
  padding:0 16px;
}

.section{
  padding-top:var(--section-y);
  padding-bottom:var(--section-y);
}

.section-white{
  background:#fff;
}

.eyebrow{
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-size:13px;
  font-weight:600;
  letter-spacing:.08em;
  color:var(--main);
  background:var(--main-soft);
  border-radius:var(--r-pill);
  padding:7px 14px;
  margin-bottom:16px;
}

.eyebrow::before{
  content:"";
  width:8px;
  height:8px;
  border-radius:50%;
  background:var(--teal);
}

.section-head{
  margin-bottom:44px;
}

.section-head.center{
  text-align:center;
}

.section-head.center .eyebrow{
  justify-content:center;
}

.section-title{
  font-size:clamp(1.6rem,2.6vw,2.4rem);
  line-height:1.3;
  margin:8px 0 14px;
  letter-spacing:-.01em;
  color:var(--ink);
}

.section-desc{
  font-size:16px;
  color:var(--ink-2);
  max-width:820px;
  margin:0;
}

.section-desc.center{
  margin-left:auto;
  margin-right:auto;
}

/* 按钮系统 */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  min-height:48px;
  padding:0 22px;
  border-radius:12px;
  font-size:15px;
  font-weight:600;
  line-height:1;
  border:1px solid transparent;
  transition:all .25s ease;
  text-decoration:none;
  background:transparent;
  color:var(--main);
  cursor:pointer;
}

.btn i{
  font-size:14px;
  transition:transform .25s ease;
}

.btn:hover i{
  transform:translateX(2px);
}

.btn-primary{
  background:var(--main);
  color:#fff;
  box-shadow:0 8px 18px rgba(46,107,230,.2);
}

.btn-primary:hover{
  background:var(--main-600);
  color:#fff;
  transform:translateY(-1px);
  box-shadow:0 10px 24px rgba(46,107,230,.3);
}

.btn-primary:active{
  transform:translateY(0);
  box-shadow:none;
}

.btn-secondary{
  background:#fff;
  border-color:var(--line);
  color:var(--ink-2);
}

.btn-secondary:hover{
  border-color:var(--main);
  color:var(--main);
  background:var(--main-soft);
  transform:translateY(-2px);
}

.btn-light{
  background:#fff;
  color:var(--main);
}

.btn-light:hover{
  background:var(--main-soft);
  color:var(--main-600);
  transform:translateY(-1px);
}

.btn-sm{
  min-height:42px;
  padding:0 18px;
  font-size:14px;
  border-radius:var(--r-pill);
}

/* 顶部 Dock 导航 */
.site-header{
  position:fixed;
  top:14px;
  left:0;
  right:0;
  z-index:100;
  pointer-events:none;
}

.dock-bar{
  pointer-events:auto;
  background:rgba(255,255,255,.86);
  -webkit-backdrop-filter:blur(12px);
  backdrop-filter:blur(12px);
  border:1px solid rgba(226,234,242,.85);
  border-radius:var(--r-pill);
  box-shadow:0 10px 30px rgba(30,55,90,.09);
  min-height:68px;
  padding:8px 8px 8px 18px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:18px;
  max-width:1200px;
  margin:0 auto;
}

.brand-logo{
  display:inline-flex;
  align-items:center;
  gap:8px;
  color:var(--ink);
  flex-shrink:0;
  border-radius:20px;
}

.brand-mark{
  width:36px;
  height:36px;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  background:var(--main);
  color:#fff;
  font-size:16px;
  border-radius:12px;
  box-shadow:0 4px 10px rgba(46,107,230,.2);
}

.brand-name{
  font-size:16px;
  font-weight:700;
  letter-spacing:.02em;
  white-space:nowrap;
  color:var(--ink);
}

.dock-nav{
  display:flex;
  align-items:center;
  gap:2px;
}

.nav-link{
  padding:10px 14px;
  border-radius:var(--r-pill);
  font-size:14px;
  font-weight:500;
  color:var(--ink-2);
  white-space:nowrap;
  position:relative;
  transition:color .25s ease,background .25s ease;
}

.nav-link:hover{
  color:var(--main);
  background:var(--main-soft);
}

.nav-link.active{
  color:var(--main-600);
  background:var(--main-soft);
  font-weight:600;
}

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

.nav-cta{
  white-space:nowrap;
  flex-shrink:0;
}

.nav-toggler{
  display:none;
  width:42px;
  height:42px;
  align-items:center;
  justify-content:center;
  background:var(--main-soft);
  color:var(--main);
  border-radius:50%;
  font-size:16px;
  cursor:pointer;
  transition:background .25s ease,color .25s ease;
}

.nav-toggler:hover{
  background:var(--main);
  color:#fff;
}

.mobile-menu{
  display:none;
  pointer-events:auto;
  position:absolute;
  top:calc(100% + 12px);
  left:16px;
  right:16px;
  background:#fff;
  border-radius:22px;
  border:1px solid var(--line);
  box-shadow:var(--shadow-hover);
  padding:18px;
  gap:4px;
  z-index:99;
}

.mobile-menu.open{
  display:flex;
  flex-direction:column;
}

.mobile-menu a{
  padding:13px 18px;
  border-radius:12px;
  color:var(--ink-2);
  font-weight:500;
  font-size:15px;
}

.mobile-menu a.active{
  background:var(--main-soft);
  color:var(--main-600);
}

.mobile-menu a:hover{
  background:var(--bg);
  color:var(--main);
}

/* Hero */
.hero-section{
  position:relative;
  padding:170px 0 90px;
  background-color:#fff;
  background-image:url('/assets/images/backpic/back-1.webp');
  background-size:cover;
  background-position:center 40%;
  background-repeat:no-repeat;
  overflow:hidden;
}

.hero-section::before{
  content:"";
  position:absolute;
  inset:0;
  background:linear-gradient(90deg,rgba(247,250,252,.97) 18%,rgba(247,250,252,.8) 50%,rgba(247,250,252,.35));
}

.hero-section::after{
  content:"";
  position:absolute;
  width:320px;
  height:320px;
  right:-80px;
  bottom:-80px;
  background:var(--teal-soft);
  border-radius:50%;
  z-index:0;
}

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

.hero-content{
  max-width:680px;
  padding-right:20px;
}

.hero-badge{
  display:inline-flex;
  align-items:center;
  gap:7px;
  background:#fff;
  border:1px solid var(--line);
  color:var(--ink-2);
  font-size:13px;
  padding:7px 14px;
  border-radius:var(--r-pill);
  box-shadow:var(--shadow-card);
  margin-bottom:22px;
}

.hero-badge span{
  width:8px;
  height:8px;
  border-radius:50%;
  background:var(--teal);
  display:inline-block;
}

.hero-title{
  font-size:clamp(2.1rem,4.2vw,3.8rem);
  line-height:1.3;
  font-weight:800;
  letter-spacing:-.02em;
  color:var(--ink);
  margin:0;
}

.hero-title .accent{
  color:var(--main);
}

.hero-sub{
  font-size:clamp(1rem,1.4vw,1.15rem);
  color:var(--ink-2);
  line-height:1.9;
  margin:22px 0 30px;
}

.hero-actions{
  display:flex;
  flex-wrap:wrap;
  gap:14px;
  align-items:center;
}

.hero-note{
  display:flex;
  flex-wrap:wrap;
  gap:8px 18px;
  margin-top:34px;
  font-size:13px;
  color:var(--ink-2);
}

.hero-note i{
  color:var(--teal);
}

.hero-visual{
  position:relative;
  border-radius:26px;
  min-height:410px;
  background:rgba(255,255,255,.5);
  border:1px solid rgba(255,255,255,.7);
  box-shadow:var(--shadow-hover);
  overflow:visible;
  padding:26px;
}

.hero-phone-frame{
  background:#fff;
  border-radius:28px;
  box-shadow:var(--shadow-card);
  border:1px solid var(--line);
  padding:16px;
  height:100%;
  min-height:340px;
}

.hero-phone-top{
  display:flex;
  justify-content:space-between;
  align-items:center;
  padding:8px 4px 18px;
  border-bottom:1px solid var(--line);
}

.hero-phone-top strong{
  font-size:15px;
}

.hero-phone-top span{
  font-size:12px;
  background:var(--main-soft);
  color:var(--main);
  padding:4px 10px;
  border-radius:var(--r-pill);
}

.hero-phone-list{
  margin-top:16px;
  display:flex;
  flex-direction:column;
  gap:12px;
}

.hero-phone-card{
  background:var(--bg);
  border-radius:16px;
  padding:12px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:12px;
}

.hero-phone-card-info{
  display:flex;
  align-items:center;
  gap:10px;
  min-width:0;
}

.hero-phone-card .game-icon{
  width:44px;
  height:44px;
  border-radius:12px;
  background:var(--main-soft);
  display:flex;
  align-items:center;
  justify-content:center;
  color:var(--main);
}

.hero-phone-card .game-icon.teal{
  background:var(--teal-soft);
  color:var(--teal);
}

.hero-phone-card h4{
  margin:0 0 4px;
  font-size:14px;
  color:var(--ink);
  text-overflow:ellipsis;
  overflow:hidden;
  white-space:nowrap;
}

.hero-phone-card p{
  margin:0;
  font-size:12px;
  color:var(--muted);
}

.hero-float-card{
  position:absolute;
  background:#fff;
  border:1px solid var(--line);
  border-radius:16px;
  padding:14px 16px;
  box-shadow:var(--shadow-hover);
  font-size:13px;
  color:var(--ink-2);
  width:190px;
  display:flex;
  align-items:center;
  gap:10px;
  animation:floatY 3s ease-in-out infinite;
}

.hero-float-card .float-icon{
  width:34px;
  height:34px;
  border-radius:10px;
  background:var(--teal-soft);
  color:var(--teal);
  display:flex;
  align-items:center;
  justify-content:center;
  flex-shrink:0;
}

.float-card-a{
  top:-28px;
  right:-8px;
}

.float-card-b{
  bottom:-24px;
  left:-12px;
  animation-delay:1.4s;
}

@keyframes floatY{
  0%,100%{transform:translateY(0)}
  50%{transform:translateY(-5px)}
}

/* 服务目录总览 */
.services-section{
  background:var(--bg);
  border-bottom:1px solid var(--line);
}

.service-dir{
  background:#fff;
  border-radius:var(--radius-lg);
  border:1px solid var(--line);
  padding:34px;
  box-shadow:var(--shadow-card);
  display:flex;
  flex-direction:column;
}

.service-row{
  display:grid;
  grid-template-columns:52px 1fr auto;
  gap:18px;
  align-items:center;
  padding:25px 12px;
  border-bottom:1px solid var(--line);
  border-radius:14px;
  transition:transform .25s ease,background .25s ease;
}

.service-row:last-child{
  border-bottom:none;
}

.service-row:hover{
  background:var(--main-soft);
  transform:translateX(5px);
}

.service-row .service-index{
  font-size:14px;
  font-weight:700;
  color:var(--muted);
  border:1px solid var(--line);
  width:38px;
  height:38px;
  border-radius:12px;
  display:flex;
  align-items:center;
  justify-content:center;
}

.service-row:hover .service-index{
  color:#fff;
  background:var(--main);
  border-color:var(--main);
}

.service-row .service-text h3{
  font-size:18px;
  margin:0 0 5px;
  font-weight:700;
  color:var(--ink);
}

.service-row .service-text p{
  margin:0;
  color:var(--ink-2);
  font-size:15px;
}

.service-arrow{
  width:44px;
  height:44px;
  border-radius:50%;
  background:var(--bg);
  color:var(--muted);
  display:flex;
  align-items:center;
  justify-content:center;
  transition:background .25s ease,color .25s ease;
}

.service-row:hover .service-arrow{
  background:var(--main);
  color:#fff;
  box-shadow:0 6px 14px rgba(46,107,230,.3);
}

/* 数据区 */
.stats-section{
  background:#fff;
  padding:60px 0;
  border-bottom:1px solid var(--line);
}

.stats-grid{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:20px;
  max-width:1100px;
  margin:0 auto;
}

.stat-item{
  flex:1;
  text-align:center;
  padding:20px;
  border-right:1px solid var(--line);
}

.stat-item:last-child{
  border-right:none;
}

.stat-item:first-child{
  text-align:center;
}

.stat-num{
  font-size:clamp(2.4rem,4vw,3.8rem);
  font-weight:750;
  letter-spacing:-.02em;
  color:var(--ink);
  line-height:1.15;
  font-variant-numeric:tabular-nums;
  display:flex;
  align-items:baseline;
  justify-content:center;
}

.stat-num .num{
  background:linear-gradient(135deg,var(--main),var(--teal));
  -webkit-background-clip:text;
  background-clip:text;
  -webkit-text-fill-color:transparent;
}

.stat-label{
  font-size:13px;
  color:var(--ink-2);
  margin-top:10px;
}

/* 案例区 */
.cases-section{
  background:var(--bg);
}

.case-grid{
  max-width:100%;
}

.case-card{
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--radius-lg);
  overflow:hidden;
  box-shadow:var(--shadow-card);
  height:100%;
  display:flex;
  flex-direction:column;
  transition:transform .3s ease,box-shadow .3s ease;
}

.case-card:hover{
  transform:translateY(-4px);
  box-shadow:var(--shadow-hover);
}

.case-card .case-pic{
  position:relative;
  aspect-ratio:16/10;
  overflow:hidden;
  background:var(--main-soft);
}

.case-card .case-pic img{
  width:100%;
  height:100%;
  object-fit:cover;
  transition:transform .5s ease;
}

.case-card:hover .case-pic img{
  transform:scale(1.03);
}

.case-card .case-pic::after{
  content:"";
  position:absolute;
  bottom:0;
  left:0;
  right:0;
  height:38%;
  background:linear-gradient(180deg,rgba(30,42,58,0),rgba(30,42,58,.2));
  opacity:.5;
}

.case-tags{
  display:flex;
  flex-wrap:wrap;
  gap:8px;
  padding:24px 26px 4px;
}

.chip{
  display:inline-flex;
  align-items:center;
  gap:5px;
  padding:5px 12px;
  border-radius:var(--r-pill);
  font-size:12px;
  font-weight:500;
  background:var(--bg);
  color:var(--ink-2);
  border:1px solid transparent;
}

.chip-main{
  background:var(--main-soft);
  color:var(--main);
}

.chip-teal{
  background:var(--teal-soft);
  color:#0d9488;
}

.case-body{
  padding:10px 26px 26px;
}

.case-body h3{
  font-size:21px;
  line-height:1.4;
  color:var(--ink);
  margin:8px 0 10px;
}

.case-body p{
  color:var(--ink-2);
  font-size:15px;
  margin:0 0 20px;
}

.card-link{
  font-size:14px;
  font-weight:600;
  color:var(--main);
  display:inline-flex;
  align-items:center;
  gap:6px;
  padding:4px 0;
  border-bottom:1px solid transparent;
  transition:gap .25s ease,border-color .25s ease;
}

.card-link:hover{
  gap:10px;
  border-color:var(--main);
}

/* 栏目与解决方案 */
.solution-section{
  background:#fff;
  border-bottom:1px solid var(--line);
}

.solution-grid{
  display:grid;
  grid-template-columns:1fr 1.08fr;
  gap:26px;
}

.solution-panel{
  background:var(--bg);
  border:1px solid var(--line);
  border-radius:var(--radius-lg);
  padding:34px;
}

.solution-panel.bg-main{
  background:var(--main);
  color:#fff;
  border-color:var(--main);
}

.solution-panel h3{
  font-size:clamp(1.2rem,1.8vw,1.6rem);
  margin-bottom:10px;
}

.solution-panel > p{
  color:var(--ink-2);
  margin-bottom:22px;
}

.solution-panel.bg-main > p{
  color:rgba(255,255,255,.88);
}

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

.solution-item{
  display:flex;
  align-items:flex-start;
  gap:13px;
  padding:14px;
  background:#fff;
  border:1px solid var(--line);
  border-radius:16px;
  transition:border-color .25s ease,box-shadow .25s ease;
}

.solution-item:hover{
  border-color:var(--main);
  box-shadow:var(--shadow-card);
}

.solution-item .item-cat{
  flex-shrink:0;
  width:44px;
  height:44px;
  border-radius:12px;
  background:var(--main-soft);
  color:var(--main);
  display:flex;
  align-items:center;
  justify-content:center;
  font-size:16px;
}

.solution-item .item-cat.teal{
  background:var(--teal-soft);
  color:#0d9488;
}

.solution-item h4{
  font-size:16px;
  margin:0 0 3px;
  color:var(--ink);
}

.solution-item p{
  font-size:13px;
  color:var(--ink-2);
  margin:0;
}

.step-list{
  display:flex;
  flex-direction:column;
  gap:18px;
  margin-top:24px;
}

.step-line{
  display:flex;
  gap:14px;
  align-items:flex-start;
}

.step-line .step-num{
  color:rgba(255,255,255,.95);
  font-size:13px;
  font-weight:700;
  background:rgba(255,255,255,.2);
  width:28px;
  height:28px;
  border-radius:50%;
  display:flex;
  align-items:center;
  justify-content:center;
  flex-shrink:0;
  margin-top:2px;
}

.step-line h5{
  margin:0 0 4px;
  font-size:15px;
  font-weight:600;
}

.step-line p{
  margin:0;
  font-size:13px;
  color:rgba(255,255,255,.82);
}

.solution-action{
  margin-top:26px;
  display:flex;
  gap:12px;
  flex-wrap:wrap;
}

/* 最新动态 */
.latest-section{
  background:var(--bg);
}

.latest-header{
  display:flex;
  flex-wrap:wrap;
  justify-content:space-between;
  align-items:flex-end;
  margin-bottom:34px;
}

.latest-feature{
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--radius-lg);
  overflow:hidden;
  margin-bottom:34px;
  display:flex;
  box-shadow:var(--shadow-card);
  transition:box-shadow .3s ease;
}

.latest-feature:hover{
  box-shadow:var(--shadow-hover);
}

.latest-feature-main{
  display:grid;
  grid-template-columns:1.2fr 1fr;
}

.news-thumb{
  background-size:cover;
  background-position:center;
  min-height:260px;
  position:relative;
}

.news-thumb.thumb-sm{
  aspect-ratio:4/3;
  min-height:auto;
  border-radius:14px 14px 0 0;
}

.news-thumb::before{
  content:"";
  position:absolute;
  inset:0;
  background:linear-gradient(180deg,rgba(30,42,58,.08),rgba(30,42,58,.02));
}

.latest-feature .news-info{
  padding:30px;
  display:flex;
  flex-direction:column;
  justify-content:center;
}

.news-meta{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:8px 14px;
  font-size:13px;
  color:var(--muted);
  margin-bottom:14px;
}

.news-meta .tag{
  display:inline-block;
  background:var(--main-soft);
  color:var(--main);
  padding:4px 12px;
  border-radius:var(--r-pill);
}

.news-meta .time{
  color:var(--muted);
}

.news-meta .dot{
  color:var(--teal);
}

.news-title{
  font-size:22px;
  font-weight:700;
  margin:0 0 10px;
  color:var(--ink);
  line-height:1.4;
}

.news-excerpt{
  color:var(--ink-2);
  font-size:14px;
  line-height:1.8;
  margin:0 0 18px;
}

.latest-grid{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:20px;
}

.news-card{
  background:#fff;
  border:1px solid var(--line);
  border-radius:18px;
  overflow:hidden;
  display:flex;
  flex-direction:column;
  box-shadow:0 4px 14px rgba(30,55,90,.03);
  transition:transform .25s ease,box-shadow .25s ease;
}

.news-card:hover{
  transform:translateY(-4px);
  box-shadow:var(--shadow-hover);
}

.news-card-body{
  padding:20px 20px 22px;
  display:flex;
  flex-direction:column;
  flex:1;
}

.news-card-title{
  font-size:16px;
  line-height:1.5;
  margin:0 0 8px;
  color:var(--ink);
  font-weight:600;
  display:-webkit-box;
  -webkit-line-clamp:2;
  -webkit-box-orient:vertical;
  overflow:hidden;
}

.news-card-excerpt{
  font-size:13px;
  color:var(--ink-2);
  display:-webkit-box;
  -webkit-line-clamp:2;
  -webkit-box-orient:vertical;
  overflow:hidden;
  margin:0 0 16px;
  flex:1;
}

.news-card-foot{
  display:flex;
  justify-content:space-between;
  align-items:center;
}

.news-card-foot .time{
  font-size:12px;
  color:var(--muted);
}

.read-link-new{
  font-size:13px;
  color:var(--main);
  font-weight:600;
  display:inline-flex;
  align-items:center;
  gap:5px;
}

.read-link-new i{
  font-size:12px;
}

.read-link-new:hover i{
  transform:translateX(2px);
}

.empty-panel{
  display:flex;
  flex-direction:column;
  align-items:center;
  justify-content:center;
  gap:14px;
  background:#fff;
  border:1px dashed #C9D8E8;
  border-radius:16px;
  padding:70px 20px;
  min-height:220px;
  text-align:center;
}

.empty-icon{
  width:52px;
  height:52px;
  background:var(--bg);
  border:1px solid var(--line);
  border-radius:16px;
  display:flex;
  align-items:center;
  justify-content:center;
  color:var(--muted);
  font-size:19px;
}

.empty-panel p{
  margin:0;
  color:var(--muted);
  font-size:16px;
}

/* FAQ */
.faq-section{
  background:#fff;
}

.faq-wrap{
  max-width:880px;
  margin:0 auto;
}

.faq-item{
  background:var(--bg);
  border:1px solid var(--line);
  border-radius:16px;
  padding:0;
  margin-bottom:14px;
  overflow:hidden;
  transition:box-shadow .3s ease;
}

.faq-item[open]{
  box-shadow:var(--shadow-card);
}

.faq-item summary{
  display:flex;
  align-items:center;
  gap:14px;
  padding:18px 20px;
  cursor:pointer;
  list-style:none;
  font-size:16px;
  font-weight:600;
  color:var(--ink);
}

.faq-item summary::-webkit-details-marker{
  display:none;
}

.faq-item summary .faq-q{
  width:30px;
  height:30px;
  flex-shrink:0;
  background:var(--main);
  border-radius:50%;
  color:#fff;
  font-size:12px;
  font-weight:700;
  display:flex;
  align-items:center;
  justify-content:center;
}

.faq-item summary .faq-text{
  flex:1;
}

.faq-item summary .faq-arrow{
  width:30px;
  height:30px;
  flex-shrink:0;
  border-radius:50%;
  background:#fff;
  border:1px solid var(--line);
  display:flex;
  align-items:center;
  justify-content:center;
  color:var(--muted);
  font-size:13px;
  transition:transform .3s ease;
}

.faq-item[open] summary .faq-arrow{
  transform:rotate(180deg);
  color:var(--main);
}

.faq-answer{
  padding:0 20px 20px 64px;
  color:var(--ink-2);
  font-size:15px;
  line-height:1.9;
}

.faq-answer ul{
  padding-left:6px;
  list-style:none;
}

.faq-answer li{
  position:relative;
  padding-left:18px;
  margin-top:6px;
}

.faq-answer li::before{
  content:"";
  position:absolute;
  left:0;
  top:.8em;
  width:6px;
  height:6px;
  background:var(--teal);
  border-radius:50%;
}

/* CTA */
.cta-section{
  background:var(--bg);
  border-top:1px solid var(--line);
}

.cta-panel{
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--radius-lg);
  padding:50px 44px;
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  justify-content:space-between;
  gap:28px;
  box-shadow:var(--shadow-card);
  position:relative;
  overflow:hidden;
}

.cta-panel::after{
  content:"";
  position:absolute;
  width:240px;
  height:240px;
  right:-80px;
  top:-80px;
  background:var(--teal-soft);
  border-radius:50%;
}

.cta-copy{
  max-width:660px;
  z-index:2;
}

.cta-copy h2{
  margin:0 0 12px;
  font-size:clamp(1.4rem,2.4vw,2.1rem);
  color:var(--ink);
}

.cta-copy p{
  margin:0;
  color:var(--ink-2);
  font-size:16px;
  line-height:1.8;
}

.cta-actions{
  display:flex;
  flex-wrap:wrap;
  gap:14px;
  z-index:2;
}

/* 页脚 */
.site-footer{
  background:#EDF2F8;
  border-top:1px solid var(--line);
  padding:56px 0 0;
}

.footer-grid{
  display:grid;
  grid-template-columns:1.4fr 1fr 1fr 1fr;
  gap:40px;
  padding-bottom:44px;
}

.footer-brand .footer-logo{
  display:inline-flex;
  align-items:center;
  gap:8px;
  margin-bottom:16px;
  font-size:18px;
  font-weight:700;
  color:var(--ink);
}

.footer-brand p{
  color:var(--ink-2);
  font-size:14px;
  line-height:1.8;
  margin:0;
}

.footer-col h4{
  color:var(--ink);
  font-size:16px;
  margin:0 0 18px;
  font-weight:700;
}

.footer-col .footer-link-list{
  display:flex;
  flex-direction:column;
  gap:12px;
}

.footer-col a{
  color:var(--ink-2);
  font-size:14px;
  transition:color .2s ease,padding-left .2s ease;
}

.footer-col a:hover{
  color:var(--main);
  padding-left:4px;
}

.footer-col a i{
  margin-right:7px;
  color:var(--muted);
  width:14px;
}

.footer-bottom{
  border-top:1px solid var(--line);
  padding:22px 0;
  display:flex;
  flex-wrap:wrap;
  gap:10px;
  align-items:center;
  justify-content:space-between;
}

.footer-bottom p{
  margin:0;
  color:var(--ink-2);
  font-size:13px;
}

.scroll-top{
  display:inline-flex;
  align-items:center;
  gap:6px;
  color:var(--main);
  font-size:13px;
  font-weight:500;
}

.scroll-top i{
  width:30px;
  height:30px;
  background:var(--main-soft);
  border-radius:50%;
  display:flex;
  align-items:center;
  justify-content:center;
}

/* 响应式 */
@media screen and (max-width:1024px){
  :root{
    --section-y:64px;
  }

  .dock-bar{
    max-width:calc(100% - 24px);
    min-height:62px;
    gap:12px;
  }

  .dock-nav{
    display:none;
  }

  .nav-toggler{
    display:inline-flex;
  }

  .hero-section{
    padding-top:140px;
  }

  .hero-visual{
    margin-top:34px;
  }

  .stats-grid{
    flex-wrap:wrap;
  }
  .stat-item{
    flex:0 0 42%;
    border-right:none;
  }

  .latest-grid{
    grid-template-columns:repeat(2,1fr);
    gap:20px;
  }

  .footer-grid{
    grid-template-columns:1fr 1fr 1fr;
    gap:28px 24px;
  }
}

@media screen and (max-width:840px){
  .solution-grid{
    grid-template-columns:1fr;
    gap:24px;
  }

  .latest-feature-main{
    grid-template-columns:1fr;
  }

  .news-thumb{
    min-height:220px;
  }

  .case-grid .cell:last-child{
    margin-top:20px;
  }
}

@media screen and (max-width:639px){
  :root{
    --section-y:44px;
  }

  .container{
    padding-left:16px;
    padding-right:16px;
  }

  .section-head{
    margin-bottom:28px;
  }

  .section-desc{
    font-size:15px;
  }

  .service-dir{
    padding:20px 12px;
  }

  .service-row{
    display:grid;
    grid-template-columns:32px 1fr;
    gap:10px;
    align-items:start;
    padding:18px 4px;
  }

  .service-row .service-arrow{
    display:none;
  }

  .service-row .service-text h3{
    font-size:16px;
  }

  .service-row .service-text p{
    font-size:14px;
  }

  .stats-section{
    padding:40px 0;
  }

  .stats-grid{
    justify-content:flex-start;
    gap:0;
  }

  .stat-item{
    flex:0 0 100%;
    border-bottom:1px solid var(--line);
    padding:16px;
  }

  .stat-item:last-child{
    border-bottom:none;
  }

  .stat-item{
    flex-direction:column;
  }

  .hero-title{
    font-size:2rem;
  }

  .hero-content{
    padding-right:0;
  }

  .hero-note{
    gap:10px;
  }

  .case-body{
    padding:10px 20px 20px;
  }

  .cta-panel{
    padding:34px 22px;
  }

  .cta-copy h2{
    font-size:1.4rem;
  }

  .cta-actions .btn{
    flex:1;
  }

  .footer-grid{
    grid-template-columns:1fr;
    gap:26px;
  }

  .footer-bottom{
    flex-direction:column;
    align-items:flex-start;
  }

  .dock-actions .nav-cta{
    display:none;
  }

  .brand-logo{
    gap:6px;
  }

  .brand-name{
    font-size:14px;
  }

  .brand-mark{
    width:32px;
    height:32px;
    font-size:14px;
    border-radius:10px;
  }

  .nav-toggler{
    width:38px;
    height:38px;
    font-size:15px;
  }

  .mobile-menu{
    top:calc(100% + 10px);
    left:10px;
    right:10px;
  }

  .mobile-menu a{
    padding:12px 14px;
    font-size:15px;
  }

  .latest-grid{
    grid-template-columns:1fr;
    gap:16px;
  }

  .faq-answer{
    padding-left:24px;
  }

  .news-thumb{
    min-height:180px;
  }
}

/* roulang page: category1 */
:root{
  --bg:#F7FAFC;
  --card:#FFFFFF;
  --main:#2E6BE6;
  --main-dark:#1D56CC;
  --main-soft:#EAF1FD;
  --dark-ice:#EDF2F8;
  --accent:#14B8A6;
  --accent-soft:#E0F7F4;
  --text:#1E2A3A;
  --text-2:#58708C;
  --text-3:#8AA0BB;
  --line:#E2EAF2;
  --radius-xl:20px;
  --radius-md:12px;
  --radius-sm:8px;
  --shadow-sm:0 8px 24px rgba(30,55,90,.06);
  --shadow-md:0 14px 36px rgba(30,55,90,.11);
  --shadow-focus:0 0 0 4px rgba(46,107,230,.16);
  --tr:all .24s ease;
  --fontPrimary:"PingFang SC","Microsoft YaHei UI","Microsoft YaHei","Noto Sans SC","Source Han Sans SC",system-ui,sans-serif;
  --maxWidth:1200px;
}

*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  padding:0;
  background:var(--bg);
  color:var(--text);
  font-family:var(--fontPrimary);
  font-size:16px;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;height:auto;display:block;}
a{color:var(--main);text-decoration:none;transition:var(--tr);}
a:hover{color:var(--main-dark);}
ul,ol{margin:0;padding:0;list-style:none;}
button,input,select,textarea{font-family:var(--fontPrimary);}
.container{max-width:var(--maxWidth);margin-left:auto;margin-right:auto;padding-left:24px;padding-right:24px;}
.section{padding-top:90px;padding-bottom:90px;}
.section-tight{padding-top:72px;padding-bottom:72px;}
.text-center{text-align:center;}
:focus-visible{
  outline:none;
  box-shadow:var(--shadow-focus);
  border-radius:6px;
}
h1,h2,h3,h4,h5{
  color:var(--text);
  line-height:1.35;
  margin:0 0 .75rem;
  font-weight:700;
}
h1{font-size:clamp(2rem,4vw,3.2rem);}
h2{font-size:clamp(1.6rem,2.6vw,2.4rem);}
h3{font-size:26px;}
p{margin:0 0 1rem;}
.eyebrow{
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-size:13px;
  letter-spacing:.08em;
  color:var(--main);
  text-transform:uppercase;
  margin-bottom:14px;
}
.eyebrow::before{
  content:"";
  width:18px;height:2px;
  background:var(--accent);
  display:inline-block;
  border-radius:99px;
}
.section-head{
  max-width:760px;
  margin-bottom:36px;
}
.section-head p{
  color:var(--text-2);
  font-size:16px;
  margin:10px 0 0;
}
h2 .hl{color:var(--main);}

/* 按钮 */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  min-height:46px;
  padding:0 24px;
  border-radius:12px;
  font-size:15px;
  font-weight:600;
  line-height:1;
  cursor:pointer;
  transition:var(--tr);
  border:1px solid transparent;
}
.btn-primary{
  background:var(--main);
  color:#fff;
}
.btn-primary:hover{
  background:var(--main-dark);
  color:#fff;
  transform:translateY(-2px);
  box-shadow:0 12px 24px rgba(29,86,204,.22);
}
.btn-secondary{
  background:#fff;
  color:var(--main);
  border-color:#D4E2F6;
}
.btn-secondary:hover{
  border-color:var(--main);
  color:var(--main-dark);
  background:var(--main-soft);
}
.btn-quiet{
  background:var(--main-soft);
  color:var(--main-dark);
}
.btn-quiet:hover{
  background:var(--dark-ice);
  color:var(--main);
}

/* Dock 导航 */
.dock-wrap{
  position:fixed;
  top:18px;
  left:50%;
  transform:translateX(-50%);
  width:100%;
  z-index:1000;
  display:flex;
  justify-content:center;
  pointer-events:none;
}
.dock-nav{
  pointer-events:auto;
  width:100%;
  max-width:1180px;
  margin:0 24px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:18px;
  background:rgba(255,255,255,.82);
  -webkit-backdrop-filter:blur(14px);
  backdrop-filter:blur(14px);
  border:1px solid rgba(226,234,242,.9);
  border-radius:999px;
  padding:10px 18px;
  box-shadow:0 12px 36px rgba(30,55,90,.08);
}
.brand-mark{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  width:34px;height:34px;
  background:var(--main-soft);
  color:var(--main);
  border-radius:12px;
  font-size:17px;
  flex-shrink:0;
}
.nav-brand{
  display:flex;
  align-items:center;
  gap:10px;
  min-width:0;
}
.nav-brand .brand-text{
  font-weight:700;
  font-size:16px;
  color:var(--text);
  white-space:nowrap;
}
.nav-links{
  display:flex;
  align-items:center;
  gap:6px;
  margin:0;
}
.nav-link{
  display:inline-flex;
  align-items:center;
  gap:4px;
  padding:8px 15px;
  font-size:14px;
  font-weight:500;
  color:var(--text-2);
  border-radius:999px;
  transition:var(--tr);
  white-space:nowrap;
}
.nav-link:hover{
  color:var(--main);
  background:var(--main-soft);
}
.nav-link.active{
  color:var(--main);
  background:var(--main-soft);
  font-weight:600;
}
.nav-link.active::before{
  content:"";
  width:5px;height:5px;
  border-radius:50%;
  background:var(--main);
  display:inline-block;
}
.dock-nav .nav-cta{
  flex-shrink:0;
}
.menu-btn{
  display:none;
  align-items:center;
  justify-content:center;
  width:38px;height:38px;
  background:var(--main-soft);
  color:var(--main);
  border:none;
  border-radius:10px;
  font-size:17px;
  cursor:pointer;
}

/* 面包屑 */
.breadcrumb{
  padding:96px 0 0;
}
.breadcrumb ul{
  display:flex;
  align-items:center;
  flex-wrap:wrap;
  gap:6px;
  font-size:13px;
  color:var(--text-3);
}
.breadcrumb a{
  color:var(--text-3);
}
.breadcrumb a:hover{
  color:var(--main);
}
.breadcrumb .crumb-icon{
  font-size:11px;
  color:#C0D0E2;
}

/* 首屏引言 */
.page-intro{
  padding:56px 0 36px;
}
.intro-panel{
  position:relative;
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--radius-xl);
  padding:48px;
  box-shadow:var(--shadow-sm);
  overflow:hidden;
}
.intro-panel::after{
  position:absolute;
  content:"";
  right:-70px;
  top:-110px;
  width:300px;
  height:300px;
  border-radius:50%;
  background:radial-gradient(circle,rgba(46,107,230,.10),transparent 68%);
  pointer-events:none;
}
.intro-panel .intro-content{
  max-width:720px;
  position:relative;
  z-index:1;
}
.intro-title{
  margin-bottom:16px;
  font-size:clamp(2rem,4vw,3.1rem);
  letter-spacing:-.02em;
}
.intro-title span{
  color:var(--main);
}
.intro-desc{
  color:var(--text-2);
  font-size:17px;
  line-height:1.9;
  max-width:660px;
}
.intro-actions{
  display:flex;
  flex-wrap:wrap;
  gap:12px;
  margin-top:28px;
}
.intro-actions .btn{text-align:center;}

/* 数据指标带 */
.metrics-band{
  background:var(--dark-ice);
  border-top:1px solid var(--line);
  border-bottom:1px solid var(--line);
}
.metric-grid{
  display:grid;
  grid-template-columns:repeat(4,1fr);
}
.metric-card{
  padding:26px 24px;
  text-align:center;
  border-right:1px solid rgba(210,222,238,.7);
}
.metric-card:last-child{border-right:none;}
.metric-icon{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  width:40px;height:40px;
  margin-bottom:12px;
  background:var(--main-soft);
  color:var(--main);
  font-size:17px;
  border-radius:12px;
}
.metric-title{
  font-size:clamp(1.6rem,3vw,2.4rem);
  font-weight:700;
  color:var(--text);
  line-height:1.1;
  font-variant-numeric:tabular-nums;
  margin-bottom:6px;
}
.metric-title .accent{color:var(--accent);}
.metric-desc{
  font-size:13px;
  color:var(--text-2);
  letter-spacing:.02em;
}

/* 题材分类卡片 */
.genre-list{
  display:flex;
  flex-direction:column;
  gap:28px;
}
.feature-card{
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--radius-xl);
  box-shadow:var(--shadow-sm);
  overflow:hidden;
  transition:var(--tr);
}
.feature-card:hover{
  transform:translateY(-4px);
  box-shadow:var(--shadow-md);
}
.feature-card--row{
  display:grid;
  grid-template-columns:1.05fr 1fr;
  min-height:390px;
}
.feature-card--row .feature-media{
  min-height:260px;
  background-size:cover;
  background-position:center;
  position:relative;
}
.feature-card--row:nth-child(even) .feature-media{order:1;}
.feature-media img{width:100%;height:100%;object-fit:cover;}
.feature-body{
  padding:34px 36px;
  display:flex;
  flex-direction:column;
  justify-content:center;
}
.genre-chip{
  display:inline-flex;
  align-items:center;
  gap:5px;
  background:var(--accent-soft);
  color:#0B8F85;
  font-size:13px;
  font-weight:600;
  padding:5px 12px;
  border-radius:999px;
  margin-bottom:14px;
  width:fit-content;
}
.feature-body h3{
  font-size:28px;
  margin-bottom:10px;
}
.feature-desc{
  color:var(--text-2);
  font-size:15px;
  line-height:1.85;
  margin-bottom:18px;
}
.feature-list{
  display:flex;
  flex-direction:column;
  gap:8px;
  margin-bottom:22px;
}
.feature-list li{
  display:flex;
  align-items:flex-start;
  gap:8px;
  color:var(--text-2);
  font-size:15px;
}
.feature-list i{
  color:var(--main);
  margin-top:5px;
  font-size:13px;
}
.card-link-row{
  display:flex;
  align-items:center;
  gap:10px;
  flex-wrap:wrap;
}
.link-more{
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-weight:600;
  color:var(--main);
  font-size:15px;
}
.link-more i{
  transition:var(--tr);
}
.link-more:hover i{
  transform:translateX(4px);
}

/* 横向图文区块 */
.split-row{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:56px;
  align-items:center;
  padding:56px 0;
}
.split-row + .split-row{
  border-top:1px solid var(--line);
}
.split-media{
  border-radius:var(--radius-xl);
  overflow:hidden;
  box-shadow:var(--shadow-sm);
}
.split-media img{width:100%;height:100%;object-fit:cover;}
.split-text .eyebrow{margin-bottom:12px;}
.split-text h3{font-size:28px;line-height:1.4;margin-bottom:14px;}
.split-text p{
  color:var(--text-2);font-size:15px;line-height:1.9;
}
.split-list li{
  display:flex;
  align-items:flex-start;
  gap:12px;
}
.split-list li + li{margin-top:12px;}
.split-list i{
  min-width:22px;
  height:22px;
  border-radius:8px;
  background:var(--main-soft);
  color:var(--main);
  display:inline-flex;
  align-items:center;
  justify-content:center;
  font-size:11px;
  margin-top:3px;
}

/* 流程卡 */
.steps-grid{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:24px;
}
.step-card{
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--radius-xl);
  padding:30px;
  box-shadow:var(--shadow-sm);
  position:relative;
  transition:var(--tr);
}
.step-card:hover{
  box-shadow:var(--shadow-md);
  transform:translateY(-4px);
}
.step-num{
  font-size:15px;
  font-weight:700;
  color:var(--main);
  letter-spacing:.08em;
  margin-bottom:12px;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  width:34px;height:34px;
  background:var(--main-soft);
  border-radius:50%;
}
.step-card h3{
  font-size:19px;
  margin-bottom:8px;
}
.step-card p{
  color:var(--text-2);
  font-size:14px;
  line-height:1.85;
  margin:0;
}

/* FAQ */
.faq-wrap{
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--radius-xl);
  padding:40px;
}
.faq-list{
  display:flex;
  flex-direction:column;
  gap:16px;
  max-width:860px;
  margin:0 auto;
}
.faq-item{
  border-radius:16px;
  background:var(--bg);
  border:1px solid var(--line);
  padding:20px 24px;
  transition:var(--tr);
}
.faq-item summary{
  list-style:none;
  cursor:pointer;
  display:flex;
  align-items:center;
  gap:12px;
  font-size:16px;
  font-weight:600;
  color:var(--text);
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-icon{
  flex-shrink:0;
  width:28px;height:28px;
  border-radius:50%;
  background:var(--main);
  color:#fff;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  font-size:13px;
  font-weight:700;
}
.faq-item[open] .faq-icon{background:var(--accent);}
.faq-answer{
  margin-top:12px;
  padding-left:40px;
  color:var(--text-2);
  font-size:15px;
  line-height:1.9;
}
.faq-item p{margin:0;}

/* CTA */
.cta-panel{
  background:var(--main-soft);
  border:1px solid #D3E2FA;
  border-radius:var(--radius-xl);
  padding:48px 40px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:36px;
  flex-wrap:wrap;
}
.cta-panel h2{
  font-size:clamp(1.6rem,2.6vw,2.4rem);
  margin-bottom:10px;
}
.cta-panel p{
  color:var(--text-2);
  font-size:16px;
  max-width:560px;
  margin:0;
}
.cta-panel .btn{
  flex-shrink:0;
}

/* Footer */
.site-footer{
  margin-top:90px;
  background:var(--card);
  border-top:1px solid var(--line);
  padding:64px 0 32px;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.4fr .8fr 1fr 1fr;
  gap:44px;
  padding-bottom:42px;
}
.footer-logo{
  display:flex;
  align-items:center;
  gap:10px;
  font-weight:700;
  font-size:18px;
  color:var(--text);
  margin-bottom:16px;
}
.footer-logo .brand-mark{
  width:38px;height:38px;
  background:var(--main);
  color:#fff;
  border-radius:12px;
}
.footer-brand p{
  color:var(--text-2);
  font-size:14px;
  line-height:1.9;
  text-align:justify;
}
.footer-col h4{
  font-size:16px;
  font-weight:700;
  margin-bottom:18px;
}
.footer-link-list{
  display:flex;
  flex-direction:column;
  gap:10px;
}
.footer-link-list a{
  color:var(--text-2);
  font-size:14px;
  display:inline-flex;
  align-items:center;
  gap:6px;
}
.footer-link-list a:hover{
  color:var(--main);
  transform:translateX(2px);
}
.footer-link-list i{
  color:var(--main);
  font-size:11px;
}
.footer-bottom{
  border-top:1px solid var(--line);
  padding-top:26px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:12px;
  flex-wrap:wrap;
  color:var(--text-3);
  font-size:13px;
}
.footer-bottom p{margin:0;}
.scroll-top{
  display:inline-flex;
  align-items:center;
  gap:6px;
  color:var(--text-3);
  font-size:13px;
}
.scroll-top:hover{
  color:var(--main);
}

/* Responsive */
@media screen and (max-width: 1024px){
  .footer-grid{
    grid-template-columns:1fr 1fr;
    gap:32px;
  }
  .feature-card--row{
    grid-template-columns:1fr;
  }
  .feature-card--row:nth-child(even) .feature-media{
    order:0;
  }
  .feature-media{max-height:360px;}
  .dock-nav{
    margin:0 16px;
    min-width:0;
  }
  .nav-links{
    display:none;
    position:absolute;
    top:68px;
    left:12px;
    right:12px;
    background:#fff;
    border-radius:20px;
    box-shadow:var(--shadow-md);
    border:1px solid var(--line);
    flex-direction:column;
    align-items:stretch;
    padding:14px;
    z-index:99;
  }
  .nav-links.is-open{
    display:flex;
  }
  .menu-btn{
    display:inline-flex;
  }
}

@media screen and (max-width: 768px){
  .container{padding-left:18px;padding-right:18px;}
  .section,.section-tight{padding-top:60px;padding-bottom:60px;}
  .dock-nav{padding:10px 12px;}
  .brand-text{font-size:14px;}
  .nav-brand .brand-mark{
    width:32px;height:32px;
  }
  .intro-panel{padding:32px 24px;}
  .metric-grid{grid-template-columns:1fr 1fr;}
  .metric-card{
    padding:20px 16px;
    border:none;
    border-bottom:1px solid var(--line);
  }
  .metric-card:nth-child(odd){
    border-right:1px solid var(--line);
  }
  .metric-card:nth-last-child(-n+2){
    border-bottom:none;
  }
  .steps-grid{grid-template-columns:1fr;}
  .split-row{grid-template-columns:1fr;gap:28px;}
  .split-media{max-height:300px;}
  .footer-grid{grid-template-columns:1fr;gap:28px;}
  .cta-panel{padding:32px 24px;}
  .faq-wrap{padding:24px 18px;}
  .feature-body{padding:26px 22px;}
  .feature-body h3{font-size:22px;}
}

@media screen and (max-width: 520px){
  .dock-wrap{top:12px;}
  .dock-nav{
    margin:0 12px;
    gap:8px;
  }
  .nav-brand .brand-text{
    max-width:150px;
    overflow:hidden;
    text-overflow:ellipsis;
  }
  .brand-text{font-size:14px;}
  .nav-cta .btn{
    min-height:36px;
    padding:0 12px;
    font-size:13px;
    width:100%;
  }
  .metric-grid{grid-template-columns:1fr;}
  .metric-card{border-right:none;}
  .metric-card:nth-child(odd){border-right:none;}
  .metric-card:nth-last-child(2){border-bottom:1px solid var(--line);}
  .breadcrumb{padding-top:108px;}
  .page-intro{padding:40px 0 24px;}
  .intro-panel{border-radius:18px;}
  .intro-title{font-size:31px;}
  .intro-desc{font-size:15px;}
  .feature-card--row:hover{transform:none;}
  .step-card:hover{transform:none;}
  .footer-bottom{padding-top:18px;}
}

/* roulang page: article */
:root {
            --font-cn: "PingFang SC", "Microsoft YaHei UI", "Microsoft YaHei", "Noto Sans SC", "Source Han Sans SC", system-ui, -apple-system, sans-serif;
            --color-bg: #F7FAFC;
            --color-surface: #FFFFFF;
            --color-main: #2E6BE6;
            --color-main-hover: #1D56CC;
            --color-main-light: #EAF1FD;
            --color-accent: #14B8A6;
            --color-text: #1E2A3A;
            --color-text-secondary: #58708C;
            --color-muted: #8AA0BB;
            --color-border: #E2EAF2;
            --color-footer-bg: #EDF2F8;
            --radius-card: 18px;
            --radius-md: 12px;
            --radius-pill: 999px;
            --shadow-card: 0 8px 24px rgba(30, 55, 90, 0.06);
            --shadow-hover: 0 14px 36px rgba(30, 55, 90, 0.11);
            --shadow-dock: 0 10px 30px rgba(30, 55, 90, 0.08);
            --transition-base: all .25s ease;
        }

        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }

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

        body {
            font-family: var(--font-cn);
            background: var(--color-bg);
            color: var(--color-text);
            line-height: 1.7;
            font-size: 16px;
            padding-top: 112px;
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
            border: 0;
        }

        a {
            color: var(--color-main);
            text-decoration: none;
            transition: var(--transition-base);
        }

        a:hover {
            color: var(--color-main-hover);
        }

        button,
        input,
        select,
        textarea {
            font-family: inherit;
            font-size: inherit;
            color: inherit;
        }

        ul,
        ol {
            list-style: none;
        }

        :focus-visible {
            outline: 2px solid rgba(46, 107, 230, .35);
            outline-offset: 2px;
        }

        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding-left: 28px;
            padding-right: 28px;
        }

        .section-eyebrow {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 13px;
            letter-spacing: .08em;
            font-weight: 600;
            color: var(--color-main);
            background: var(--color-main-light);
            padding: 7px 14px;
            border-radius: var(--radius-pill);
        }

        .section-eyebrow i {
            color: var(--color-accent);
            font-size: 12px;
        }

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            min-height: 44px;
            padding: 12px 22px;
            border-radius: var(--radius-md);
            font-size: 15px;
            font-weight: 600;
            line-height: 1;
            border: 1px solid transparent;
            cursor: pointer;
            transition: var(--transition-base);
            text-decoration: none;
        }

        .btn-primary {
            background: var(--color-main);
            color: #fff;
            box-shadow: 0 6px 18px rgba(46, 107, 230, .16);
        }

        .btn-primary:hover {
            background: var(--color-main-hover);
            color: #fff;
            transform: translateY(-2px);
            box-shadow: 0 10px 26px rgba(46, 107, 230, .22);
        }

        .btn-primary:active {
            transform: translateY(0);
            box-shadow: none;
        }

        .btn-ghost {
            background: var(--color-surface);
            color: var(--color-main);
            border-color: var(--color-border);
        }

        .btn-ghost:hover {
            color: var(--color-main-hover);
            border-color: var(--color-main);
            background: var(--color-main-light);
            transform: translateY(-1px);
        }

        .btn-small {
            min-height: 40px;
            padding: 9px 17px;
            font-size: 14px;
            border-radius: 10px;
        }

        .btn-large {
            min-height: 52px;
            padding: 15px 30px;
            font-size: 16px;
            border-radius: 14px;
        }

        .site-header {
            position: fixed;
            top: 18px;
            left: 0;
            right: 0;
            z-index: 100;
            display: flex;
            justify-content: center;
            padding: 0 18px;
            pointer-events: none;
        }

        .dock-nav {
            pointer-events: auto;
            position: relative;
            width: 100%;
            max-width: 1180px;
            min-height: 66px;
            display: flex;
            align-items: center;
            gap: 20px;
            padding: 10px 14px 10px 20px;
            background: rgba(255, 255, 255, .82);
            -webkit-backdrop-filter: blur(14px);
            backdrop-filter: blur(14px);
            border: 1px solid rgba(226, 234, 242, .86);
            border-radius: var(--radius-pill);
            box-shadow: var(--shadow-dock);
        }

        .dock-brand {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            color: var(--color-text);
            font-size: 16px;
            font-weight: 750;
            white-space: nowrap;
            text-decoration: none;
        }

        .dock-brand:hover {
            color: var(--color-text);
        }

        .brand-mark {
            width: 36px;
            height: 36px;
            border-radius: 12px;
            background: var(--color-main);
            color: #fff;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            font-size: 15px;
            box-shadow: 0 5px 14px rgba(46, 107, 230, .25);
        }

        .nav-links {
            display: flex;
            align-items: center;
            gap: 4px;
        }

        .nav-link {
            display: inline-block;
            padding: 9px 13px;
            border-radius: var(--radius-pill);
            color: var(--color-text-secondary);
            font-size: 14px;
            font-weight: 500;
            white-space: nowrap;
            text-decoration: none;
            transition: var(--transition-base);
        }

        .nav-link:hover {
            color: var(--color-main);
            background: var(--color-main-light);
        }

        .nav-link.active {
            color: #fff;
            background: var(--color-main);
            box-shadow: 0 5px 14px rgba(46, 107, 230, .24);
        }

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

        .btn-nav-cta {
            min-height: 40px;
            padding: 9px 16px;
        }

        .nav-toggle {
            display: none;
            width: 40px;
            height: 40px;
            align-items: center;
            justify-content: center;
            border-radius: 12px;
            background: var(--color-main-light);
            color: var(--color-main);
            border: 1px solid var(--color-border);
            cursor: pointer;
            transition: var(--transition-base);
        }

        .nav-toggle:hover {
            color: #fff;
            background: var(--color-main);
        }

        .breadcrumb {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 8px;
            padding: 10px 0 18px;
            color: var(--color-muted);
            font-size: 13px;
        }

        .breadcrumb a {
            color: var(--color-muted);
            text-decoration: none;
        }

        .breadcrumb a:hover {
            color: var(--color-main);
        }

        .breadcrumb-sep {
            color: #C3D0DE;
            font-size: 12px;
        }

        .crumb-current {
            color: var(--color-text-secondary);
            max-width: 260px;
            overflow: hidden;
            text-overflow: ellipsis;
            white-space: nowrap;
            line-height: 1.4;
        }

        .article-main-wrap {
            padding: 12px 0 30px;
        }

        .article-panel {
            max-width: 960px;
            margin: 0 auto 42px;
            background: var(--color-surface);
            border-radius: 22px;
            box-shadow: var(--shadow-card);
            padding: 52px 58px 44px;
        }

        .article-category {
            display: inline-flex;
            align-items: center;
            gap: 7px;
            background: rgba(20, 184, 166, .1);
            color: #0E9A8C;
            font-size: 13px;
            font-weight: 600;
            padding: 7px 15px;
            border-radius: var(--radius-pill);
            margin-bottom: 14px;
        }

        .article-head h1 {
            font-size: clamp(1.9rem, 3vw, 2.6rem);
            line-height: 1.35;
            letter-spacing: -0.01em;
            font-weight: 800;
            color: var(--color-text);
            margin-bottom: 18px;
        }

        .article-meta-row {
            display: flex;
            flex-wrap: wrap;
            gap: 12px 22px;
            color: var(--color-muted);
            font-size: 13px;
        }

        .meta-item {
            display: inline-flex;
            align-items: center;
            gap: 7px;
        }

        .meta-item i {
            color: var(--color-accent);
            font-size: 14px;
        }

        .article-cover {
            max-width: 880px;
            margin: 34px auto 0;
            border-radius: 18px;
            overflow: hidden;
            border: 1px solid var(--color-border);
            box-shadow: 0 8px 22px rgba(30, 55, 90, .06);
        }

        .article-cover img {
            width: 100%;
            height: auto;
            aspect-ratio: 16 / 8;
            object-fit: cover;
        }

        .article-body {
            max-width: 800px;
            margin: 38px auto 0;
            color: #2A3A4D;
            font-size: 17px;
            line-height: 1.95;
            word-break: break-word;
        }

        .article-body p {
            margin: 0 0 1.5rem;
        }

        .article-body h2 {
            font-size: 1.55rem;
            line-height: 1.4;
            font-weight: 750;
            color: var(--color-text);
            margin: 2.3rem 0 1rem;
            padding-bottom: .5rem;
            border-bottom: 1px solid var(--color-border);
        }

        .article-body h3 {
            font-size: 1.25rem;
            line-height: 1.45;
            font-weight: 720;
            color: var(--color-text);
            margin: 2rem 0 .75rem;
        }

        .article-body h4 {
            font-size: 1.1rem;
            font-weight: 700;
            margin: 1.7rem 0 .6rem;
            color: var(--color-text);
        }

        .article-body ul,
        .article-body ol {
            margin: 0 0 1.5rem;
            padding-left: 1.4rem;
        }

        .article-body ul li,
        .article-body ol li {
            margin-bottom: .55rem;
        }

        .article-body ul li::marker {
            color: var(--color-accent);
        }

        .article-body ol li::marker {
            color: var(--color-main);
            font-weight: 600;
        }

        .article-body blockquote {
            background: #F0FDFB;
            border-left: 3px solid var(--color-accent);
            border-radius: 12px;
            padding: 1.1rem 1.5rem;
            margin: 1.6rem 0;
            color: var(--color-text-secondary);
            font-style: normal;
        }

        .article-body blockquote p {
            margin: 0;
        }

        .article-body img {
            border-radius: 14px;
            border: 1px solid var(--color-border);
            margin: 1.8rem auto;
        }

        .article-body a {
            color: var(--color-main);
            text-decoration: underline;
            text-underline-offset: 3px;
            text-decoration-color: rgba(46, 107, 230, .28);
        }

        .article-body a:hover {
            color: var(--color-main-hover);
        }

        .article-body table {
            width: 100%;
            max-width: 100%;
            border-collapse: collapse;
            margin: 1.6rem 0;
            font-size: 14px;
            display: block;
            overflow-x: auto;
            border: 1px solid var(--color-border);
            border-radius: 12px;
        }

        .article-body table th,
        .article-body table td {
            border: 1px solid var(--color-border);
            padding: 10px 14px;
            text-align: left;
            white-space: nowrap;
        }

        .article-body table th {
            background: var(--color-main-light);
            color: var(--color-text);
            font-weight: 650;
        }

        .article-body code {
            background: #F3F6FA;
            border: 1px solid var(--color-border);
            border-radius: 6px;
            padding: 2px 7px;
            font-size: .9em;
            color: #C0392B;
        }

        .article-body pre {
            background: #1E2A3A;
            color: #EAF1FD;
            border-radius: 14px;
            padding: 18px 20px;
            overflow-x: auto;
            margin: 1.6rem 0;
        }

        .article-body pre code {
            background: transparent;
            border: 0;
            padding: 0;
            color: inherit;
        }

        .article-body hr {
            border: 0;
            border-top: 1px solid var(--color-border);
            margin: 2.2rem 0;
        }

        .article-tail {
            max-width: 800px;
            margin: 40px auto 0;
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            justify-content: space-between;
            gap: 14px;
            border-top: 1px dashed var(--color-border);
            padding-top: 28px;
        }

        .article-tail .btn {
            min-width: 120px;
        }

        .not-found-card {
            max-width: 720px;
            margin: 20px auto 40px;
            background: var(--color-surface);
            border-radius: 22px;
            box-shadow: var(--shadow-card);
            padding: 58px 30px;
            text-align: center;
        }

        .not-found-card .nf-icon {
            width: 76px;
            height: 76px;
            margin: 0 auto 20px;
            border-radius: 24px;
            background: var(--color-main-light);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--color-main);
            font-size: 28px;
        }

        .not-found-card h1 {
            font-size: 1.9rem;
            font-weight: 800;
            color: var(--color-text);
            margin-bottom: 14px;
        }

        .not-found-card p {
            color: var(--color-text-secondary);
            font-size: 15px;
            max-width: 460px;
            margin: 0 auto 26px;
        }

        .related-section {
            background: var(--color-bg);
            padding: 72px 0 84px;
        }

        .section-head {
            max-width: 680px;
            margin-bottom: 38px;
        }

        .section-head h2 {
            margin-top: 12px;
            font-size: clamp(1.6rem, 2.4vw, 2.15rem);
            font-weight: 800;
            color: var(--color-text);
            line-height: 1.4;
        }

        .section-head p {
            margin-top: 14px;
            color: var(--color-text-secondary);
            font-size: 15px;
            line-height: 1.8;
        }

        .related-grid {
            margin-left: -12px;
            margin-right: -12px;
        }

        .related-col {
            padding: 0 12px;
            margin-bottom: 24px;
        }

        .related-card {
            display: flex;
            flex-direction: column;
            height: 100%;
            background: var(--color-surface);
            border: 1px solid var(--color-border);
            border-radius: 18px;
            overflow: hidden;
            box-shadow: var(--shadow-card);
            text-decoration: none;
            transition: var(--transition-base);
        }

        .related-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-hover);
        }

        .related-thumb {
            aspect-ratio: 16 / 9;
            overflow: hidden;
            background: var(--color-main-light);
        }

        .related-thumb img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform .45s ease;
        }

        .related-card:hover .related-thumb img {
            transform: scale(1.03);
        }

        .related-card-body {
            flex: 1;
            display: flex;
            flex-direction: column;
            padding: 24px 24px 20px;
        }

        .related-badge {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            align-self: flex-start;
            background: rgba(20, 184, 166, .1);
            color: #0E9A8C;
            font-size: 12px;
            font-weight: 600;
            padding: 5px 12px;
            border-radius: var(--radius-pill);
            margin-bottom: 14px;
        }

        .related-card-body h3 {
            font-size: 18px;
            line-height: 1.45;
            font-weight: 700;
            color: var(--color-text);
            margin-bottom: 10px;
        }

        .related-card-body p {
            font-size: 14px;
            line-height: 1.75;
            color: var(--color-text-secondary);
            flex: 1;
        }

        .related-more {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            color: var(--color-main);
            font-size: 14px;
            font-weight: 600;
            margin-top: 18px;
        }

        .related-more i {
            transition: transform .25s;
        }

        .related-card:hover .related-more i {
            transform: translateX(3px);
        }

        .cta-section {
            background: var(--color-surface);
            padding: 76px 0 70px;
        }

        .cta-box {
            display: flex;
            justify-content: space-between;
            align-items: center;
            gap: 26px;
            background: var(--color-main-light);
            border: 1px solid #DAE6FB;
            border-radius: 22px;
            padding: 46px 52px;
        }

        .cta-box h2 {
            font-size: clamp(1.5rem, 2.3vw, 2rem);
            font-weight: 800;
            color: var(--color-text);
            line-height: 1.4;
            margin-top: 12px;
        }

        .cta-box p {
            color: var(--color-text-secondary);
            font-size: 15px;
            margin-top: 12px;
            max-width: 620px;
        }

        .cta-box .btn {
            flex-shrink: 0;
        }

        .site-footer {
            background: var(--color-footer-bg);
            border-top: 1px solid var(--color-border);
            padding: 60px 0 28px;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.5fr 1fr 1fr 1fr;
            gap: 36px;
            margin-bottom: 44px;
        }

        .footer-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 16px;
            font-weight: 750;
            color: var(--color-text);
            text-decoration: none;
        }

        .footer-logo .brand-mark {
            width: 34px;
            height: 34px;
            border-radius: 11px;
        }

        .footer-brand p {
            margin-top: 16px;
            font-size: 14px;
            line-height: 1.85;
            color: var(--color-text-secondary);
            max-width: 360px;
        }

        .footer-col h4 {
            font-size: 15px;
            color: var(--color-text);
            margin-bottom: 16px;
            font-weight: 700;
        }

        .footer-link-list {
            display: flex;
            flex-direction: column;
            gap: 10px;
        }

        .footer-link-list a {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 14px;
            color: var(--color-text-secondary);
            text-decoration: none;
            transition: var(--transition-base);
        }

        .footer-link-list a:hover {
            color: var(--color-main);
            transform: translateX(2px);
        }

        .footer-link-list a i {
            font-size: 11px;
            color: var(--color-muted);
        }

        .footer-bottom {
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            align-items: center;
            gap: 12px;
            border-top: 1px solid #D7E1EB;
            padding-top: 24px;
            font-size: 13px;
            color: var(--color-muted);
        }

        .footer-bottom a.scroll-top {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            color: var(--color-text-secondary);
            text-decoration: none;
            font-size: 13px;
        }

        .footer-bottom a.scroll-top:hover {
            color: var(--color-main);
        }

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

        @media (max-width: 1023.98px) {
            body {
                padding-top: 96px;
            }

            .site-header {
                top: 14px;
            }

            .dock-nav {
                min-height: 62px;
                padding-left: 16px;
                padding-right: 10px;
            }

            .nav-links {
                display: none;
                position: absolute;
                top: calc(100% + 14px);
                left: 0;
                right: 0;
                flex-direction: column;
                align-items: stretch;
                gap: 4px;
                background: rgba(255, 255, 255, .98);
                border: 1px solid var(--color-border);
                border-radius: 20px;
                box-shadow: var(--shadow-hover);
                padding: 12px;
            }

            .nav-links.is-open {
                display: flex;
            }

            .nav-toggle {
                display: inline-flex;
            }

            .nav-link {
                padding: 12px 16px;
            }

            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 28px;
            }
        }

        @media (max-width: 900px) {
            .article-panel {
                padding: 42px 34px 36px;
            }

            .cta-box {
                flex-direction: column;
                text-align: left;
                align-items: flex-start;
            }

            .container {
                padding-left: 20px;
                padding-right: 20px;
            }
        }

        @media (max-width: 639.98px) {
            body {
                padding-top: 88px;
            }

            .dock-nav {
                gap: 8px;
                width: calc(100% - 0px);
                border-radius: 22px;
                padding: 8px 8px 8px 14px;
            }

            .dock-brand {
                font-size: 14px;
                gap: 7px;
            }

            .brand-mark {
                width: 32px;
                height: 32px;
                font-size: 13px;
                border-radius: 10px;
            }

            .btn-nav-cta {
                width: 38px;
                height: 38px;
                padding: 0;
                font-size: 0;
                border-radius: 12px;
            }

            .btn-nav-cta i {
                font-size: 14px;
                margin-right: 0;
            }

            .article-main-wrap {
                padding-top: 2px;
            }

            .article-panel {
                border-radius: 18px;
                padding: 24px 18px 24px;
            }

            .article-head h1 {
                font-size: 1.55rem;
            }

            .article-meta-row {
                gap: 10px 16px;
            }

            .article-cover {
                margin-top: 24px;
            }

            .article-body {
                font-size: 16px;
                line-height: 1.9;
                margin-top: 28px;
            }

            .article-body h2 {
                font-size: 1.35rem;
            }

            .article-tail {
                flex-direction: column;
                justify-content: stretch;
            }

            .article-tail .btn {
                width: 100%;
            }

            .related-section,
            .cta-section {
                padding: 56px 0 58px;
            }

            .cta-box {
                padding: 36px 24px;
            }

            .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
                margin-bottom: 30px;
            }

            .footer-bottom {
                flex-direction: column;
                align-items: flex-start;
            }
        }

        @media (max-width: 380px) {
            .brand-text {
                max-width: 120px;
                overflow: hidden;
                text-overflow: ellipsis;
                white-space: nowrap;
            }
        }

/* roulang page: category2 */
:root {
      --color-main: #2E6BE6;
      --color-main-dark: #1D56CC;
      --color-main-light: #EAF1FD;
      --color-cyan: #14B8A6;
      --color-cyan-light: #E0F8F5;
      --color-bg: #F7FAFC;
      --color-bg-soft: #EDF3FA;
      --color-card: #FFFFFF;
      --color-ink: #1E2A3A;
      --color-sub: #58708C;
      --color-muted: #8AA0BB;
      --color-line: #E2EAF2;
      --color-white: #FFFFFF;
      --radius-lg: 20px;
      --radius-md: 14px;
      --radius-sm: 10px;
      --shadow-card: 0 8px 24px rgba(30, 55, 90, 0.06);
      --shadow-float: 0 14px 36px rgba(30, 55, 90, 0.11);
      --shadow-dock: 0 10px 30px rgba(30, 55, 90, 0.10);
      --font-sans: "PingFang SC", "Microsoft YaHei UI", "Microsoft YaHei", "Noto Sans SC", "Source Han Sans SC", system-ui, sans-serif;
      --space-section: 90px;
    }

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

    html {
      scroll-behavior: smooth;
    }

    body {
      margin: 0;
      font-family: var(--font-sans);
      background: var(--color-bg);
      color: var(--color-ink);
      line-height: 1.75;
      -webkit-font-smoothing: antialiased;
    }

    body {
      padding-top: 96px;
    }

    a {
      color: var(--color-main);
      text-decoration: none;
      transition: color .2s ease, background-color .2s ease, border-color .2s ease, box-shadow .2s ease, transform .2s ease;
    }

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

    button,
    input {
      font-family: inherit;
    }

    p {
      margin-top: 0;
    }

    h1,
    h2,
    h3,
    h4,
    h5 {
      margin: 0 0 .4em;
      line-height: 1.35;
      font-weight: 700;
      color: var(--color-ink);
    }

    ul,
    ol {
      margin: 0 0 1em;
      padding: 0 0 0 1.25em;
    }

    .container {
      max-width: 1200px;
      margin-left: auto;
      margin-right: auto;
      padding-left: 24px;
      padding-right: 24px;
    }

    .site-main {
      overflow: hidden;
    }

    .section-block {
      padding: var(--space-section) 0;
    }

    .section-soft {
      background: var(--color-bg);
    }

    .section-white {
      background: #fff;
    }

    .section-header-wrap {
      max-width: 860px;
      margin-bottom: 42px;
    }

    .section-header-wrap.center {
      margin-left: auto;
      margin-right: auto;
      text-align: center;
    }

    .eyebrow {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      font-size: 14px;
      font-weight: 600;
      letter-spacing: .08em;
      color: var(--color-main);
      margin-bottom: 14px;
    }

    .eyebrow::before {
      content: "";
      display: inline-block;
      width: 9px;
      height: 9px;
      border-radius: 50%;
      background: var(--color-main);
    }

    .eyebrow.cyan-shift {
      color: var(--color-cyan);
    }

    .eyebrow.cyan-shift::before {
      background: var(--color-cyan);
    }

    .section-title {
      font-size: clamp(1.7rem, 3.2vw, 2.5rem);
      letter-spacing: -0.02em;
      margin-bottom: 14px;
    }

    .section-desc {
      font-size: 16px;
      color: var(--color-sub);
      line-height: 1.9;
      margin-bottom: 0;
      max-width: 760px;
    }

    .center .section-desc {
      margin-left: auto;
      margin-right: auto;
    }

    .section-footer-point {
      margin-top: 28px;
      color: var(--color-sub);
      font-size: 15px;
    }

    .section-footer-point a {
      font-weight: 600;
    }

    .btn,
    .btn:visited,
    .button {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 8px;
      min-height: 44px;
      padding: 10px 22px;
      border: 1px solid transparent;
      border-radius: var(--radius-sm);
      font-size: 15px;
      font-weight: 600;
      line-height: 1;
      cursor: pointer;
      transition: all .2s ease;
      background: transparent;
      color: var(--color-main);
    }

    .btn-primary {
      background: var(--color-main);
      color: #fff;
      box-shadow: 0 6px 16px rgba(46, 107, 230, .18);
    }

    .btn-primary:hover {
      background: var(--color-main-dark);
      color: #fff;
      transform: translateY(-2px);
      box-shadow: 0 12px 24px rgba(46, 107, 230, .22);
    }

    .btn-primary:active {
      transform: translateY(0);
    }

    .btn-ghost {
      background: #fff;
      border-color: #CBD8EA;
      color: var(--color-main);
    }

    .btn-ghost:hover {
      background: var(--color-main-light);
      border-color: var(--color-main);
      color: var(--color-main-dark);
    }

    .btn-cyan {
      background: var(--color-cyan);
      color: #fff;
      box-shadow: 0 6px 16px rgba(20, 184, 166, .18);
    }

    .btn-cyan:hover {
      background: #0FA896;
      color: #fff;
      transform: translateY(-2px);
    }

    .btn:focus-visible,
    .button:focus-visible,
    a:focus-visible,
    button:focus-visible,
    summary:focus-visible {
      outline: 2px solid rgba(46, 107, 230, .45);
      outline-offset: 3px;
    }

    .float-header {
      position: fixed;
      top: 18px;
      left: 0;
      right: 0;
      z-index: 100;
      display: flex;
      justify-content: center;
      padding: 0 20px;
      pointer-events: none;
    }

    .dock-nav {
      pointer-events: auto;
      width: 100%;
      max-width: 1180px;
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 18px;
      background: rgba(255, 255, 255, .88);
      -webkit-backdrop-filter: blur(14px);
      backdrop-filter: blur(14px);
      border: 1px solid rgba(255, 255, 255, .7);
      border-radius: 999px;
      padding: 8px 12px 8px 18px;
      box-shadow: var(--shadow-dock);
    }

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

    .brand-badge {
      width: 36px;
      height: 36px;
      border-radius: 12px;
      background: var(--color-main);
      color: #fff;
      display: inline-flex;
      align-items: center;
      justify-content: center;
      font-size: 15px;
      box-shadow: 0 6px 14px rgba(46, 107, 230, .25);
    }

    .brand-name {
      font-size: 17px;
      font-weight: 700;
      color: var(--color-ink);
      letter-spacing: -.01em;
      white-space: nowrap;
    }

    .main-menu {
      display: flex;
      align-items: center;
      justify-content: center;
      gap: 2px;
      flex: 1;
    }

    .main-menu .nav-link {
      display: inline-flex;
      align-items: center;
      border-radius: 999px;
      padding: 7px 12px;
      font-size: 14.5px;
      font-weight: 600;
      color: #34465E;
      white-space: nowrap;
      transition: all .2s ease;
    }

    .main-menu .nav-link:hover {
      color: var(--color-main);
      background: var(--color-main-light);
    }

    .main-menu .nav-link.active,
    .main-menu .nav-link.active:hover {
      background: var(--color-main);
      color: #fff;
    }

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

    .nav-cta {
      min-height: 38px;
      padding: 8px 15px;
      font-size: 14px;
      border-radius: 999px;
      background: var(--color-main);
      color: #fff;
      display: inline-flex;
      align-items: center;
      gap: 6px;
      font-weight: 600;
    }

    .nav-cta:hover {
      background: var(--color-main-dark);
      color: #fff;
    }

    .nav-toggle {
      display: none;
      width: 42px;
      height: 42px;
      border-radius: 50%;
      border: 1px solid var(--color-line);
      background: #fff;
      color: var(--color-main);
      font-size: 18px;
      cursor: pointer;
      align-items: center;
      justify-content: center;
    }

    .hero-banner {
      position: relative;
      background: #EAF2FE;
      padding: 76px 0 88px;
    }

    .hero-banner::before {
      content: "";
      position: absolute;
      inset: 0;
      background-image: url('/assets/images/backpic/back-3.png');
      background-position: right center;
      background-size: cover;
      opacity: .16;
      pointer-events: none;
    }

    .hero-banner::after {
      content: "";
      position: absolute;
      left: 0;
      right: 0;
      bottom: 0;
      height: 1px;
      background: linear-gradient(90deg, rgba(255,255,255,0), #FFFFFF, rgba(255,255,255,0));
    }

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

    .breadcrumb-cat {
      font-size: 14px;
      color: var(--color-sub);
      margin-bottom: 22px;
      display: flex;
      flex-wrap: wrap;
      gap: 8px;
    }

    .breadcrumb-cat a {
      color: var(--color-sub);
    }

    .breadcrumb-cat a:hover {
      color: var(--color-main);
    }

    .breadcrumb-cat .sep {
      color: var(--color-muted);
    }

    .hero-cat-inner {
      align-items: center;
    }

    .hero-copy {
      position: relative;
      z-index: 3;
    }

    .hero-cat-eyebrow {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      background: var(--color-card);
      color: var(--color-main);
      border: 1px solid #DDE7F5;
      border-radius: 999px;
      padding: 5px 14px;
      font-size: 13px;
      font-weight: 600;
    }

    .hero-title {
      font-size: clamp(2.3rem, 5vw, 3.9rem);
      letter-spacing: -0.03em;
      margin: 18px 0 14px;
      color: var(--color-ink);
    }

    .hero-title span {
      color: var(--color-main);
      position: relative;
    }

    .hero-sub {
      font-size: 17px;
      line-height: 1.95;
      color: var(--color-sub);
      max-width: 560px;
    }

    .hero-toolbar {
      margin-top: 30px;
      display: flex;
      flex-wrap: wrap;
      gap: 14px;
    }

    .hero-note {
      margin-top: 20px;
      font-size: 13px;
      color: var(--color-muted);
      display: flex;
      align-items: center;
      gap: 6px;
    }

    .hero-note i {
      color: var(--color-cyan);
    }

    .hero-visual {
      position: relative;
    }

    .visual-main-card {
      position: relative;
      border-radius: 22px;
      overflow: hidden;
      background: var(--color-card);
      box-shadow: var(--shadow-float);
      border: 1px solid #EAF0F8;
      transform: rotate(1deg);
    }

    .visual-main-card img {
      width: 100%;
      height: 340px;
      object-fit: cover;
    }

    .visual-float-tag {
      position: absolute;
      right: -6px;
      top: 22px;
      background: rgba(255, 255, 255, .92);
      backdrop-filter: blur(6px);
      padding: 9px 13px;
      border-radius: 13px;
      box-shadow: var(--shadow-card);
      display: flex;
      align-items: center;
      gap: 8px;
      font-size: 13px;
      color: var(--color-ink);
      font-weight: 600;
    }

    .visual-float-tag i {
      color: var(--color-cyan);
      font-size: 16px;
    }

    .visual-float-tag.two {
      right: auto;
      left: -10px;
      top: auto;
      bottom: 30px;
    }

    .feature-zone {
      background: var(--color-card);
    }

    .review-focus-grid .cell {
      display: flex;
    }

    .focus-card {
      background: var(--color-bg);
      border: 1px solid transparent;
      border-radius: var(--radius-lg);
      padding: 28px 24px;
      width: 100%;
      transition: transform .2s ease, box-shadow .2s ease, background .2s ease, border-color .2s ease;
    }

    .focus-card:hover {
      background: #fff;
      border-color: var(--color-line);
      transform: translateY(-4px);
      box-shadow: var(--shadow-float);
    }

    .focus-icon {
      width: 50px;
      height: 50px;
      border-radius: 15px;
      display: inline-flex;
      align-items: center;
      justify-content: center;
      background: var(--color-main-light);
      color: var(--color-main);
      font-size: 20px;
      margin-bottom: 18px;
    }

    .focus-card.cyan-card .focus-icon {
      background: var(--color-cyan-light);
      color: var(--color-cyan);
    }

    .focus-card h3 {
      font-size: 18px;
      margin-bottom: 8px;
    }

    .focus-card p {
      font-size: 14px;
      color: var(--color-sub);
      line-height: 1.8;
      margin-bottom: 0;
    }

    .quote-banner {
      background: var(--color-main-light);
      border-radius: var(--radius-lg);
      padding: 30px 34px;
      display: flex;
      gap: 18px;
      align-items: flex-start;
      border-left: 4px solid var(--color-main);
      margin: 50px 0 0;
    }

    .quote-banner i {
      color: var(--color-main);
      font-size: 22px;
      margin-top: 2px;
    }

    .quote-banner p {
      margin: 0;
      font-size: 17px;
      line-height: 1.9;
      color: #27486E;
    }

    .review-alternate-row {
      padding: 28px 0;
    }

    .review-alternate-row:nth-child(even) .grid-x {
      flex-direction: row-reverse;
    }

    .review-media {
      border-radius: var(--radius-lg);
      overflow: hidden;
      box-shadow: var(--shadow-card);
      height: 100%;
      min-height: 270px;
    }

    .review-media img {
      width: 100%;
      height: 100%;
      min-height: 270px;
      object-fit: cover;
      transition: transform .6s ease;
    }

    .review-media img:hover {
      transform: scale(1.02);
    }

    .review-content {
      padding: 12px 18px;
    }

    .review-content h3 {
      font-size: 24px;
      margin-bottom: 12px;
    }

    .review-content p {
      font-size: 15px;
      color: var(--color-sub);
      line-height: 1.95;
      margin-bottom: 18px;
    }

    .tag-group {
      display: flex;
      flex-wrap: wrap;
      gap: 8px;
      margin: 14px 0 20px;
    }

    .mini-tag {
      display: inline-flex;
      align-items: center;
      gap: 5px;
      background: var(--color-main-light);
      color: var(--color-main);
      border-radius: 999px;
      padding: 4px 11px;
      font-size: 13px;
      font-weight: 600;
    }

    .mini-tag.two {
      background: var(--color-cyan-light);
      color: var(--color-cyan);
    }

    .scene-list .scene-card {
      background: var(--color-bg);
      border-radius: var(--radius-lg);
      padding: 28px 26px;
      height: 100%;
      border: 1px solid transparent;
      transition: all .2s ease;
    }

    .scene-card:hover {
      background: #fff;
      border-color: var(--color-line);
      box-shadow: var(--shadow-card);
      transform: translateY(-3px);
    }

    .scene-card .scene-num {
      font-size: 14px;
      font-weight: 700;
      color: var(--color-cyan);
      letter-spacing: .04em;
      margin-bottom: 14px;
    }

    .scene-card h3 {
      font-size: 18px;
      margin-bottom: 10px;
    }

    .scene-card p {
      color: var(--color-sub);
      font-size: 14px;
      line-height: 1.8;
      margin: 0;
    }

    .scene-card i.arrow {
      margin-top: 18px;
      display: inline-flex;
      width: 34px;
      height: 34px;
      align-items: center;
      justify-content: center;
      border-radius: 50%;
      background: var(--color-main-light);
      color: var(--color-main);
    }

    .workflow-zone {
      background: #fff;
    }

    .step-grid .cell {
      display: flex;
    }

    .step-card {
      position: relative;
      background: var(--color-bg);
      border-radius: var(--radius-lg);
      padding: 30px 22px 24px;
      width: 100%;
      border-top: 3px solid var(--color-main);
    }

    .step-card .step-index {
      font-size: 13px;
      font-weight: 700;
      color: var(--color-main);
      letter-spacing: .05em;
      background: var(--color-main-light);
      display: inline-block;
      padding: 3px 10px;
      border-radius: 999px;
      margin-bottom: 16px;
    }

    .step-card h3 {
      font-size: 17px;
      margin-bottom: 8px;
    }

    .step-card p {
      font-size: 14px;
      color: var(--color-sub);
      margin: 0;
      line-height: 1.85;
    }

    .step-card i.step-icon {
      font-size: 20px;
      color: var(--color-cyan);
      margin-bottom: 14px;
    }

    .faq-zone {
      background: var(--color-bg);
    }

    .faq-panel {
      max-width: 900px;
      margin: 0 auto;
    }

    .faq-item {
      background: #fff;
      border-radius: 16px;
      box-shadow: 0 4px 16px rgba(30, 55, 90, .04);
      border: 1px solid #E9EFF7;
      margin-bottom: 14px;
      overflow: hidden;
      transition: box-shadow .2s ease;
    }

    .faq-item:hover {
      box-shadow: var(--shadow-card);
    }

    .faq-item summary {
      cursor: pointer;
      list-style: none;
      display: flex;
      align-items: center;
      gap: 14px;
      padding: 20px 22px;
      font-size: 16px;
      font-weight: 600;
      color: var(--color-ink);
    }

    .faq-item summary::-webkit-details-marker {
      display: none;
    }

    .faq-item summary .q-badge {
      flex: 0 0 auto;
      width: 34px;
      height: 34px;
      border-radius: 50%;
      background: var(--color-main-light);
      color: var(--color-main);
      display: inline-flex;
      align-items: center;
      justify-content: center;
      font-weight: 700;
      font-size: 14px;
    }

    .faq-item summary .faq-chevron {
      margin-left: auto;
      color: var(--color-muted);
      transition: transform .3s ease;
    }

    .faq-item[open] summary .faq-chevron {
      transform: rotate(180deg);
      color: var(--color-main);
    }

    .faq-item .faq-content {
      padding: 0 24px 22px 70px;
      color: var(--color-sub);
      font-size: 15px;
      line-height: 1.9;
    }

    .faq-item .faq-content ul {
      margin-top: 8px;
    }

    .cta-strip {
      background: var(--color-card);
      border-top: 1px solid var(--color-line);
      border-bottom: 1px solid var(--color-line);
    }

    .cta-box {
      background: var(--color-main-light);
      border: 1px solid #D9E5F8;
      border-radius: 24px;
      padding: 46px 48px;
      position: relative;
      overflow: hidden;
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 32px;
    }

    .cta-box::before {
      content: "\f163";
      font-family: "Font Awesome 6 Free";
      font-weight: 900;
      position: absolute;
      right: 20px;
      bottom: -20px;
      font-size: 120px;
      opacity: .04;
      color: var(--color-main);
    }

    .cta-box h2 {
      font-size: clamp(1.6rem, 2.6vw, 2.3rem);
      margin-bottom: 8px;
    }

    .cta-box p {
      color: var(--color-sub);
      font-size: 15px;
      margin: 0;
    }

    .cta-actions {
      display: flex;
      flex-wrap: wrap;
      gap: 12px;
      flex: 0 0 auto;
    }

    .site-footer {
      background: #EDF3FA;
      border-top: 1px solid #E0E8F2;
      padding-top: 56px;
      padding-bottom: 30px;
      font-size: 14px;
      color: var(--color-sub);
    }

    .footer-grid {
      display: grid;
      grid-template-columns: 1.3fr .8fr .9fr 1fr;
      gap: 38px;
      padding-bottom: 36px;
      border-bottom: 1px solid #DDE6F0;
    }

    .footer-logo {
      display: flex;
      align-items: center;
      gap: 10px;
      color: var(--color-ink);
      font-size: 18px;
      font-weight: 700;
      margin-bottom: 12px;
    }

    .footer-logo .brand-mark {
      width: 34px;
      height: 34px;
      border-radius: 10px;
      background: var(--color-main);
      display: inline-flex;
      align-items: center;
      justify-content: center;
      color: #fff;
    }

    .footer-brand p {
      margin: 0 0 10px;
      color: #516A89;
      line-height: 1.9;
      font-size: 13.5px;
      max-width: 320px;
    }

    .footer-col h4 {
      font-size: 15px;
      margin-bottom: 12px;
      color: var(--color-ink);
    }

    .footer-link-list {
      display: flex;
      flex-direction: column;
      gap: 8px;
    }

    .footer-link-list a {
      color: #58708C;
      display: inline-flex;
      align-items: center;
      gap: 6px;
      font-size: 14px;
      transition: all .2s ease;
    }

    .footer-link-list a i {
      font-size: 10px;
    }

    .footer-link-list a:hover {
      color: var(--color-main);
      transform: translateX(3px);
    }

    .footer-bottom {
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 12px;
      padding-top: 20px;
      font-size: 13px;
      color: var(--color-muted);
    }

    .scroll-top {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      padding: 7px 14px;
      border-radius: 999px;
      background: #fff;
      border: 1px solid var(--color-line);
      font-size: 13px;
      color: #58708C;
    }

    .scroll-top:hover {
      border-color: var(--color-main);
      color: var(--color-main);
    }

    @media (max-width: 1024px) {
      :root {
        --space-section: 64px;
      }

      .footer-grid {
        grid-template-columns: 1.1fr .8fr .9fr;
      }

      .footer-brand {
        grid-column: span 2;
      }

      .main-menu .nav-link {
        padding: 7px 10px;
        font-size: 13.5px;
      }

      .brand-name {
        font-size: 15.5px;
      }

      .nav-cta {
        padding: 8px 11px;
        font-size: 13px;
      }
    }

    @media (max-width: 860px) {
      body {
        padding-top: 76px;
      }

      .float-header {
        top: 10px;
        padding: 0 12px;
      }

      .dock-nav {
        padding: 6px 6px 6px 14px;
        min-height: 56px;
        border-radius: 999px;
      }

      .brand-badge {
        width: 32px;
        height: 32px;
        border-radius: 10px;
        font-size: 13px;
      }

      .brand-name {
        font-size: 14.5px;
      }

      .nav-cta {
        display: none;
      }

      .main-menu {
        display: none;
      }

      .nav-toggle {
        display: inline-flex;
      }

      .dock-nav.open {
        flex-wrap: wrap;
        border-radius: 22px;
        padding-top: 14px;
      }

      .dock-nav.open .main-menu {
        display: flex;
        flex-direction: column;
        align-items: stretch;
        width: 100%;
        gap: 4px;
        margin-top: 12px;
        padding: 6px;
        border-top: 1px solid var(--color-line);
      }

      .dock-nav.open .main-menu .nav-link {
        padding: 12px 14px;
        border-radius: 12px;
      }

      .hero-banner {
        padding: 52px 0 60px;
      }

      .visual-main-card img {
        height: 240px;
      }

      .cta-box {
        flex-direction: column;
        align-items: flex-start;
      }

      .cta-actions {
        width: 100%;
      }
    }

    @media (max-width: 639px) {
      :root {
        --space-section: 46px;
      }

      .container {
        padding-left: 18px;
        padding-right: 18px;
      }

      .brand-name {
        max-width: 120px;
        overflow: hidden;
        text-overflow: ellipsis;
        white-space: nowrap;
        font-size: 14px;
      }

      .hero-title {
        font-size: clamp(1.9rem, 9vw, 2.9rem);
      }

      .hero-sub {
        font-size: 15px;
      }

      .visual-float-tag {
        font-size: 12px;
        padding: 7px 9px;
      }

      .visual-main-card img {
        height: 220px;
      }

      .review-content {
        padding: 20px 6px 8px;
      }

      .review-content h3 {
        font-size: 19px;
      }

      .review-media img {
        min-height: 190px;
      }

      .tag-group {
        margin-bottom: 12px;
      }

      .section-title {
        font-size: 1.65rem;
      }

      .quote-banner {
        padding: 20px 18px;
        font-size: 14px;
      }

      .footer-grid {
        grid-template-columns: 1fr;
        gap: 28px;
      }

      .footer-brand {
        grid-column: auto;
      }

      .footer-bottom {
        flex-direction: column-reverse;
        align-items: flex-start;
      }

      .faq-item summary {
        font-size: 15px;
        padding: 16px;
      }

      .faq-item .faq-content {
        padding: 0 16px 18px 60px;
        font-size: 14px;
      }

      .cta-box {
        padding: 30px 22px;
      }

      .btn {
        width: 100%;
      }

      .hero-toolbar {
        flex-direction: column;
        align-items: stretch;
      }
    }

/* roulang page: category3 */
:root{
  --color-main:#2E6BE6;
  --color-main-dark:#1D56CC;
  --color-main-soft:#EAF1FD;
  --color-accent:#14B8A6;
  --color-accent-soft:#E6F9F6;
  --color-page:#F7FAFC;
  --color-card:#FFFFFF;
  --color-text:#1E2A3A;
  --color-text-secondary:#58708C;
  --color-muted:#8AA0BB;
  --color-border:#E2EAF2;
  --color-bg-soft:#EDF3F9;
  --color-success:#16A34A;
  --radius-lg:20px;
  --radius-md:12px;
  --shadow-card:0 8px 24px rgba(30,55,90,.06);
  --shadow-float:0 14px 36px rgba(30,55,90,.11);
  --shadow-panel:0 2px 6px rgba(30,55,90,.04),0 12px 32px rgba(30,55,90,.06);
  --space-section:90px;
  --font-ui:"PingFang SC","Microsoft YaHei UI","Microsoft YaHei","Noto Sans SC","Source Han Sans SC",system-ui,sans-serif;
}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html,body{margin:0;padding:0}
body{
  font-family:var(--font-ui);
  background:var(--color-page);
  color:var(--color-text);
  font-size:16px;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
}
img{display:block;max-width:100%}
a{color:inherit;text-decoration:none}
button{font-family:inherit;border:none;background:none;cursor:pointer}
ul,ol{list-style:none}
h1,h2,h3,h4{font-weight:700;color:var(--color-text);line-height:1.25;margin:0}
p{margin:0}
.container{max-width:1200px;margin:0 auto;padding:0 24px}
section{scroll-margin-top:120px}
a:focus-visible,button:focus-visible,summary:focus-visible{
  outline:2px solid rgba(46,107,230,.5);
  outline-offset:3px;
  border-radius:8px;
}
::selection{background:rgba(46,107,230,.14)}

/* Button */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  min-height:46px;
  padding:0 22px;
  border-radius:12px;
  font-size:15px;
  font-weight:600;
  line-height:1;
  transition:all .22s ease;
}
.btn i{font-size:.9em}
.btn-primary{
  background:var(--color-main);
  color:#fff;
  box-shadow:0 8px 18px rgba(46,107,230,.2);
}
.btn-primary:hover{
  background:var(--color-main-dark);
  transform:translateY(-2px);
  box-shadow:0 10px 22px rgba(46,107,230,.26);
}
.btn-primary:active{
  transform:translateY(0);
  box-shadow:0 4px 12px rgba(46,107,230,.18);
}
.btn-ghost{
  background:rgba(255,255,255,.86);
  color:var(--color-main);
  border:1px solid #CFDDF1;
}
.btn-ghost:hover{
  border-color:var(--color-main);
  background:#fff;
  transform:translateY(-2px);
}
.btn-light{
  background:#fff;
  color:var(--color-main-dark);
  border:1px solid #D8E3F2;
}
.btn-light:hover{
  border-color:var(--color-main);
  box-shadow:0 8px 20px rgba(46,107,230,.08);
}
.section-eyebrow{
  display:inline-flex;
  align-items:center;
  gap:10px;
  font-size:13px;
  letter-spacing:.08em;
  font-weight:600;
  color:var(--color-main);
  margin-bottom:12px;
}
.section-eyebrow::before{
  content:"";
  width:22px;
  height:2px;
  border-radius:999px;
  background:var(--color-accent);
}
.section-heading{
  max-width:820px;
  margin-bottom:40px;
}
.section-heading h2{
  font-size:clamp(1.7rem,3vw,2.45rem);
  letter-spacing:-.01em;
  margin-bottom:14px;
}
.section-heading .section-lead{
  color:var(--color-text-secondary);
  font-size:16px;
}

/* Header */
.site-header{
  position:sticky;
  top:14px;
  z-index:80;
  padding:12px 18px 0;
}
.header-inner{
  max-width:1180px;
  margin:0 auto;
  display:flex;
  align-items:center;
  gap:12px;
  padding:10px 12px 10px 18px;
  background:rgba(255,255,255,.88);
  border:1px solid rgba(226,234,242,.95);
  border-radius:999px;
  box-shadow:0 10px 30px rgba(30,55,90,.09);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
}
.header-brand{
  display:inline-flex;
  align-items:center;
  gap:10px;
  flex:0 0 auto;
  min-width:0;
  color:var(--color-text);
}
.header-brand:hover .brand-text{
  color:var(--color-main-dark);
}
.brand-icon{
  width:38px;
  height:38px;
  border-radius:13px;
  flex:0 0 auto;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  color:#fff;
  background:var(--color-main);
  box-shadow:0 7px 16px rgba(46,107,230,.26);
}
.brand-text{
  font-size:1.08rem;
  font-weight:800;
  white-space:nowrap;
  letter-spacing:.01em;
  color:var(--color-text);
  transition:color .2s ease;
}
.dock-nav{
  display:flex;
  align-items:center;
  justify-content:center;
  gap:2px;
  margin:0 auto;
  background:#EEF3F9;
  padding:4px;
  border-radius:999px;
}
.nav-link{
  display:inline-flex;
  align-items:center;
  min-height:38px;
  padding:0 14px;
  border-radius:999px;
  color:var(--color-text-secondary);
  font-size:14.5px;
  font-weight:600;
  white-space:nowrap;
  transition:background .2s ease,color .2s ease,box-shadow .2s ease;
}
.nav-link:hover{
  color:var(--color-main);
  background:#fff;
}
.nav-link.active{
  background:var(--color-main);
  color:#fff;
  box-shadow:0 7px 18px rgba(46,107,230,.28);
}
.header-cta{
  flex:0 0 auto;
  display:inline-flex;
  align-items:center;
  gap:7px;
  min-height:40px;
  padding:0 17px;
  border-radius:999px;
  color:#fff;
  background:var(--color-main);
  font-size:13.5px;
  font-weight:600;
  transition:all .2s ease;
  box-shadow:0 6px 16px rgba(46,107,230,.18);
}
.header-cta:hover{
  background:var(--color-main-dark);
  transform:translateY(-1px);
}
.nav-trigger{
  display:none;
  width:42px;
  height:42px;
  border-radius:50%;
  align-items:center;
  justify-content:center;
  color:var(--color-main);
  background:var(--color-main-soft);
  margin-left:auto;
  font-size:18px;
  transition:all .2s ease;
}
.nav-trigger:hover{
  background:var(--color-main);
  color:#fff;
}

/* Breadcrumb */
.breadcrumb-band{
  padding:22px 0 8px;
}
.breadcrumb-list{
  display:flex;
  align-items:center;
  flex-wrap:wrap;
  gap:6px;
  font-size:13px;
  color:var(--color-muted);
}
.breadcrumb-list a{
  display:inline-flex;
  align-items:center;
  gap:6px;
  transition:color .2s ease;
}
.breadcrumb-list a:hover{
  color:var(--color-main);
}
.breadcrumb-sep{
  color:#C4D2E4;
}
[aria-current="page"]{
  color:var(--color-text-secondary);
}

/* Hero */
.category-hero{
  position:relative;
  overflow:hidden;
  padding:74px 0 82px;
  background:#EEF5FC;
}
.category-hero::before{
  content:"";
  position:absolute;
  top:-30%;
  right:-8%;
  width:50%;
  height:110%;
  background-image:url('/assets/images/backpic/back-1.webp');
  background-size:cover;
  background-position:center;
  opacity:.08;
  pointer-events:none;
}
.hero-copy{
  position:relative;
  z-index:2;
}
.hero-eyebrow{
  display:inline-flex;
  align-items:center;
  gap:9px;
  color:var(--color-main);
  font-weight:600;
  letter-spacing:.04em;
  font-size:14px;
  background:rgba(255,255,255,.82);
  padding:8px 14px;
  border-radius:999px;
  border:1px solid #D9E5F5;
  margin-bottom:22px;
}
.hero-eyebrow i{
  color:var(--color-accent);
}
.hero-title{
  font-size:clamp(2.3rem,5vw,4rem);
  line-height:1.12;
  letter-spacing:-.02em;
  margin-bottom:18px;
}
.hero-title span{
  display:block;
  color:var(--color-main);
}
.hero-subtitle{
  font-size:17px;
  color:var(--color-text-secondary);
  max-width:600px;
  line-height:1.9;
  margin-bottom:24px;
}
.hero-pills{
  display:flex;
  flex-wrap:wrap;
  gap:10px;
  margin-bottom:32px;
}
.hero-pill{
  display:inline-flex;
  align-items:center;
  gap:7px;
  background:rgba(255,255,255,.9);
  border:1px solid #D9E3F0;
  border-radius:999px;
  padding:7px 13px;
  font-size:13px;
  color:var(--color-text-secondary);
}
.hero-pill i{
  color:var(--color-accent);
}
.hero-actions{
  display:flex;
  flex-wrap:wrap;
  gap:14px;
}
.hero-visual{
  position:relative;
  z-index:2;
}
.visual-card{
  position:relative;
  border-radius:26px;
  overflow:hidden;
  background:#fff;
  box-shadow:var(--shadow-panel);
  border:1px solid rgba(255,255,255,.85);
}
.visual-card img{
  width:100%;
  height:100%;
  min-height:300px;
  object-fit:cover;
}
.visual-float{
  position:absolute;
  bottom:24px;
  left:-12px;
  right:auto;
  background:rgba(255,255,255,.96);
  border:1px solid var(--color-border);
  padding:13px 16px;
  border-radius:16px;
  box-shadow:var(--shadow-float);
  display:flex;
  align-items:center;
  gap:10px;
  font-size:13px;
  color:var(--color-text-secondary);
  max-width:250px;
}
.visual-float i{
  width:32px;
  height:32px;
  border-radius:11px;
  background:var(--color-accent-soft);
  color:var(--color-accent);
  display:inline-flex;
  align-items:center;
  justify-content:center;
}
.visual-float strong{
  display:block;
  color:var(--color-text);
  font-size:14px;
  font-weight:700;
}

/* Intro strip */
.intro-strip{
  padding:34px 0;
}
.intro-panel{
  background:#fff;
  border:1px solid var(--color-border);
  border-radius:var(--radius-lg);
  box-shadow:var(--shadow-card);
  padding:30px 34px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:24px;
  flex-wrap:wrap;
}
.intro-panel p{
  color:var(--color-text-secondary);
  max-width:870px;
  font-size:15.5px;
}
.intro-panel strong{
  color:var(--color-text);
}
.intro-panel a{
  display:inline-flex;
  align-items:center;
  gap:8px;
  color:var(--color-main);
  font-weight:600;
  white-space:nowrap;
  font-size:14px;
}
.intro-panel a:hover{
  color:var(--color-main-dark);
  transform:translateX(3px);
}

/* Content Map */
.content-map{
  padding:var(--space-section) 0;
  background:var(--color-page);
}
.gui-stack{
  display:grid;
  gap:26px;
}
.gui-card{
  display:grid;
  grid-template-columns:300px 1fr;
  gap:28px;
  background:#fff;
  padding:32px;
  border:1px solid var(--color-border);
  border-radius:22px;
  box-shadow:var(--shadow-card);
  transition:box-shadow .22s ease,transform .22s ease;
}
.gui-card:hover{
  box-shadow:var(--shadow-panel);
  transform:translateY(-3px);
}
.gui-card-accent1{border-left:7px solid var(--color-main)}
.gui-card-accent2{border-left:7px solid var(--color-accent)}
.gui-card-accent3{border-left:7px solid #8B5CF6}
.gui-head{
  display:flex;
  flex-direction:column;
  align-items:flex-start;
  gap:16px;
  padding-right:22px;
  border-right:1px solid var(--color-border);
}
.gui-num{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  width:56px;
  height:56px;
  border-radius:18px;
  background:var(--color-main-soft);
  color:var(--color-main);
  font-size:22px;
  font-weight:800;
  letter-spacing:-.02em;
}
.gui-card-accent2 .gui-num{
  background:var(--color-accent-soft);
  color:var(--color-accent);
}
.gui-card-accent3 .gui-num{
  background:#F1EAFF;
  color:#6D28D9;
}
.gui-title{
  font-size:1.35rem;
  line-height:1.35;
}
.gui-scope{
  margin-top:10px;
  font-size:13px;
  color:var(--color-muted);
}
.gui-scope i{
  color:var(--color-accent);
  margin-right:6px;
}
.gui-subgrid{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:16px;
}
.gui-sub{
  position:relative;
  background:var(--color-page);
  border:1px solid var(--color-border);
  border-radius:16px;
  padding:22px 20px;
  min-height:176px;
  transition:all .22s ease;
}
.gui-sub:hover{
  background:#fff;
  box-shadow:var(--shadow-card);
  transform:translateY(-2px);
}
.gui-sub-icon{
  width:36px;
  height:36px;
  border-radius:12px;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  background:var(--color-main-soft);
  color:var(--color-main);
  font-size:15px;
  margin-bottom:14px;
}
.gui-card-accent2 .gui-sub-icon{
  background:var(--color-accent-soft);
  color:var(--color-accent);
}
.gui-card-accent3 .gui-sub-icon{
  background:#F1EAFF;
  color:#6D28D9;
}
.gui-sub h4{
  font-size:15.5px;
  margin-bottom:8px;
}
.gui-sub p{
  font-size:13.5px;
  color:var(--color-text-secondary);
  line-height:1.7;
}

/* Scenario */
.scenario-section{
  padding:var(--space-section) 0;
  background:#fff;
}
.scenario-grid{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:18px;
  margin-top:28px;
}
.scenario-card{
  padding:27px 22px;
  background:var(--color-page);
  border:1px solid var(--color-border);
  border-radius:18px;
  transition:all .22s ease;
}
.scenario-card:hover{
  background:#fff;
  box-shadow:var(--shadow-card);
  transform:translateY(-4px);
}
.scenario-card .icon{
  width:42px;
  height:42px;
  border-radius:14px;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  background:#fff;
  color:var(--color-main);
  box-shadow:0 6px 14px rgba(46,107,230,.12);
  margin-bottom:17px;
  font-size:17px;
}
.scenario-card:nth-child(2) .icon{
  color:var(--color-accent);
}
.scenario-card:nth-child(3) .icon{
  color:#8B5CF6;
}
.scenario-card:nth-child(4) .icon{
  color:#D97706;
}
.scenario-card h3{
  font-size:17px;
  margin-bottom:9px;
}
.scenario-card p{
  font-size:14px;
  color:var(--color-text-secondary);
  line-height:1.75;
}

/* Flow steps */
.flow-section{
  padding:var(--space-section) 0;
  background:var(--color-main-soft);
}
.flow-steps{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:20px;
}
.flow-step{
  position:relative;
  background:#fff;
  border:1px solid #DAE5F2;
  border-radius:20px;
  padding:26px 22px;
}
.flow-step::after{
  content:attr(data-step);
  position:absolute;
  top:16px;
  right:18px;
  font-size:34px;
  font-weight:800;
  color:var(--color-main-soft);
  line-height:1;
  letter-spacing:-.03em;
}
.flow-icon{
  width:46px;
  height:46px;
  border-radius:15px;
  background:var(--color-main);
  color:#fff;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  margin-bottom:18px;
  box-shadow:0 8px 18px rgba(46,107,230,.2);
}
.flow-step h3{
  font-size:16px;
  margin-bottom:8px;
  position:relative;
  z-index:1;
}
.flow-step p{
  font-size:14px;
  color:var(--color-text-secondary);
  position:relative;
  z-index:1;
}

/* Faq */
.faq-section{
  padding:var(--space-section) 0;
  background:#fff;
}
.faq-layout{
  max-width:880px;
  margin:0 auto;
}
.faq-item{
  display:block;
  margin-bottom:14px;
  background:var(--color-page);
  border:1px solid var(--color-border);
  border-radius:18px;
  padding:6px 22px;
  transition:background .2s ease,box-shadow .2s ease;
}
.faq-item[open]{
  background:#fff;
  box-shadow:var(--shadow-card);
}
.faq-item summary{
  display:flex;
  align-items:center;
  gap:12px;
  padding:17px 0;
  cursor:pointer;
  list-style:none;
  flex-wrap:wrap;
}
.faq-item summary::-webkit-details-marker{
  display:none;
}
.faq-q{
  width:30px;
  height:30px;
  flex:0 0 30px;
  border-radius:50%;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  background:var(--color-main-soft);
  color:var(--color-main);
  font-size:13px;
  font-weight:700;
}
.faq-title{
  flex:1;
  font-size:16px;
  font-weight:700;
  color:var(--color-text);
  min-width:200px;
}
.faq-toggle{
  width:30px;
  height:30px;
  border-radius:50%;
  background:#fff;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  color:var(--color-main);
  transition:all .25s ease;
  margin-left:auto;
}
.faq-item[open] .faq-toggle{
  background:var(--color-main);
  color:#fff;
  transform:rotate(180deg);
}
.faq-body{
  padding:0 0 20px 42px;
  font-size:14.5px;
  color:var(--color-text-secondary);
  line-height:1.85;
}
.faq-body strong{
  color:var(--color-text);
}

/* CTA */
.cta-section{
  padding:var(--space-section) 0 88px;
  background:var(--color-page);
}
.cta-panel{
  position:relative;
  overflow:hidden;
  background:#EEF4FD;
  border:1px solid #DAE5F3;
  border-radius:28px;
  padding:58px 52px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:28px;
  flex-wrap:wrap;
}
.cta-panel::before{
  content:"";
  position:absolute;
  right:-5%;
  bottom:-40%;
  width:320px;
  height:320px;
  background-image:url('/assets/images/backpic/back-3.png');
  background-size:cover;
  background-position:center;
  opacity:.08;
  pointer-events:none;
}
.cta-copy{
  max-width:680px;
  position:relative;
  z-index:1;
}
.cta-copy h2{
  font-size:clamp(1.7rem,3vw,2.4rem);
  margin-bottom:14px;
}
.cta-copy p{
  color:var(--color-text-secondary);
  font-size:15.5px;
}
.cta-actions{
  display:flex;
  gap:12px;
  flex-wrap:wrap;
  position:relative;
  z-index:1;
}

/* Footer */
.site-footer{
  background:#EDF2F8;
  border-top:1px solid var(--color-border);
  padding-top:68px;
  padding-bottom:28px;
}
.footer-grid{
  display:grid;
  grid-template-columns:2.2fr 1.1fr 1.1fr 1.1fr;
  gap:36px;
  margin-bottom:42px;
}
.footer-logo{
  display:inline-flex;
  align-items:center;
  gap:10px;
  background:var(--color-main);
  color:#fff;
  padding:9px 18px 9px 12px;
  border-radius:999px;
  font-weight:700;
  margin-bottom:16px;
}
.footer-logo .brand-mark{
  width:27px;
  height:27px;
  border-radius:10px;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  background:rgba(255,255,255,.18);
  font-size:13px;
}
.footer-brand p{
  font-size:14px;
  color:var(--color-text-secondary);
  max-width:420px;
  line-height:1.9;
}
.footer-col h4{
  font-size:15px;
  margin-bottom:16px;
  color:var(--color-text);
}
.footer-link-list{
  display:flex;
  flex-direction:column;
  gap:9px;
}
.footer-link-list a{
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-size:14px;
  color:var(--color-text-secondary);
  transition:all .18s ease;
}
.footer-link-list a i{
  color:var(--color-main);
  font-size:.75rem;
}
.footer-link-list a:hover{
  color:var(--color-main);
  transform:translateX(3px);
}
.footer-bottom{
  border-top:1px solid var(--color-border);
  padding-top:24px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  flex-wrap:wrap;
}
.footer-bottom p{
  font-size:13px;
  color:var(--color-muted);
}
.scroll-top{
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-size:13px;
  color:var(--color-text-secondary);
  transition:color .2s ease;
}
.scroll-top:hover{
  color:var(--color-main);
}

/* Responsive */
@media screen and (max-width:1120px){
  .nav-link{
    padding:0 10px;
    font-size:13.5px;
  }
  .gui-card{
    grid-template-columns:1fr;
  }
  .gui-head{
    flex-direction:row;
    border-right:none;
    padding-right:0;
    border-bottom:1px solid var(--color-border);
    padding-bottom:20px;
    align-items:center;
  }
  .gui-head .gui-scope{
    margin-top:4px;
  }
}

@media screen and (max-width:1023px){
  .header-inner{
    flex-wrap:wrap;
    border-radius:28px;
  }
  .dock-nav{
    display:none;
    order:6;
    width:100%;
    flex-direction:column;
    align-items:stretch;
    background:#fff;
    border-radius:22px;
    box-shadow:0 12px 30px rgba(30,55,90,.1);
    border:1px solid var(--color-border);
    padding:8px;
    margin:10px 0 0;
    gap:4px;
  }
  .dock-nav.open{
    display:flex;
  }
  .dock-nav .nav-link{
    justify-content:flex-start;
    border-radius:14px;
    min-height:44px;
    padding:0 16px;
    background:transparent;
  }
  .dock-nav .nav-link:hover{
    background:var(--color-main-soft);
    color:var(--color-main);
  }
  .dock-nav .nav-link.active{
    background:var(--color-main);
    color:#fff;
  }
  .header-cta{
    display:none;
  }
  .nav-trigger{
    display:inline-flex;
  }
}

@media screen and (max-width:960px){
  :root{
    --space-section:72px;
  }
  .gui-subgrid{
    grid-template-columns:repeat(2,1fr);
  }
  .scenario-grid{
    grid-template-columns:repeat(2,1fr);
  }
  .flow-steps{
    grid-template-columns:repeat(2,1fr);
  }
  .footer-grid{
    grid-template-columns:1fr 1fr;
  }
}

@media screen and (max-width:767px){
  :root{
    --space-section:58px;
  }
  .container{
    padding:0 18px;
  }
  .site-header{
    top:10px;
    padding:8px 10px 0;
  }
  .category-hero{
    padding:52px 0 58px;
  }
  .visual-float{
    left:6px;
    bottom:10px;
  }
  .intro-panel{
    padding:24px 22px;
  }
  .gui-card{
    padding:22px;
  }
  .gui-subgrid{
    grid-template-columns:1fr;
  }
  .gui-head{
    align-items:flex-start;
    gap:14px;
  }
  .cta-panel{
    padding:40px 28px;
  }
}

@media screen and (max-width:520px){
  body{
    font-size:15px;
  }
  .brand-text{
    font-size:.94rem;
  }
  .brand-icon{
    width:34px;
    height:34px;
    border-radius:11px;
  }
  .header-inner .dock-nav{
    width:100%;
  }
  .hero-title{
    font-size:2.1rem;
  }
  .hero-actions .btn{
    width:100%;
  }
  .hero-actions{
    flex-direction:column;
  }
  .scenario-grid{
    grid-template-columns:1fr;
  }
  .flow-steps{
    grid-template-columns:1fr;
  }
  .footer-grid{
    grid-template-columns:1fr;
  }
  .footer-bottom{
    flex-direction:column;
    align-items:flex-start;
  }
  .faq-item{
    padding:4px 16px;
  }
  .faq-title{
    font-size:15px;
  }
  .faq-body{
    padding-left:0;
  }
  .section-heading{
    margin-bottom:28px;
  }
}

/* roulang page: category4 */
:root {
  --main: #2E6BE6;
  --main-dark: #1D56CC;
  --main-light: #EAF1FD;
  --accent: #14B8A6;
  --accent-light: #E0F9F5;
  --bg: #F7FAFC;
  --card: #FFFFFF;
  --text: #1E2A3A;
  --muted: #58708C;
  --light-muted: #8AA0BB;
  --line: #E2EAF2;
  --yellow: #F59E0B;
  --green: #10B981;
  --radius-xl: 20px;
  --radius-md: 12px;
  --radius-sm: 10px;
  --shadow-card: 0 8px 24px rgba(30, 55, 90, .06);
  --shadow-hover: 0 14px 36px rgba(30, 55, 90, .12);
  --shadow-dock: 0 10px 34px rgba(30, 55, 90, .10), 0 2px 6px rgba(30, 55, 90, .04);
  --font-ui: "PingFang SC", "Microsoft YaHei UI", "Microsoft YaHei", "Noto Sans SC", "Source Han Sans SC", system-ui, -apple-system, BlinkMacSystemFont, sans-serif;
}

html {
  box-sizing: border-box;
  scroll-behavior: smooth;
  scroll-padding-top: 130px;
}

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

body {
  margin: 0;
  font-family: var(--font-ui);
  background: var(--bg);
  color: var(--text);
  line-height: 1.75;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

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

a {
  color: inherit;
  text-decoration: none;
}

button {
  font-family: inherit;
  border: none;
  cursor: pointer;
}

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

h1, h2, h3, h4, p {
  margin: 0;
}

:focus-visible {
  outline: 2px solid rgba(46, 107, 230, .45);
  outline-offset: 3px;
  border-radius: 6px;
}

.container {
  max-width: 1200px;
  margin-left: auto;
  margin-right: auto;
  padding-left: 24px;
  padding-right: 24px;
}

.section-block {
  padding: 92px 0;
}

.section-block + .section-block {
  border-top: 1px solid var(--line);
}

.section-light-blue {
  background: #EDF4FE;
}

.section-off-white {
  background: #FFFFFF;
}

.section-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 14px;
  font-weight: 600;
  letter-spacing: .08em;
  color: var(--main);
  margin-bottom: 12px;
}

.section-eyebrow::before {
  content: "";
  width: 20px;
  height: 3px;
  border-radius: 999px;
  background: var(--accent);
}

.section-title {
  font-size: clamp(1.65rem, 2.6vw, 2.4rem);
  line-height: 1.35;
  letter-spacing: -0.015em;
  color: var(--text);
}

.section-desc {
  max-width: 780px;
  margin-top: 16px;
  color: var(--muted);
  font-size: 16px;
  line-height: 1.9;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 9px;
  min-height: 46px;
  padding: 0 24px;
  border-radius: 12px;
  font-weight: 600;
  font-size: 15px;
  transition: transform .2s ease, box-shadow .2s ease, background .2s ease, border-color .2s ease;
  white-space: nowrap;
}

.btn i {
  font-size: 13px;
}

.btn-primary {
  background: var(--main);
  color: #fff;
  box-shadow: 0 8px 20px rgba(46, 107, 230, .22);
}

.btn-primary:hover {
  background: var(--main-dark);
  transform: translateY(-2px);
  box-shadow: 0 12px 28px rgba(46, 107, 230, .3);
}

.btn-primary:active {
  transform: translateY(0);
}

.btn-ghost {
  background: #fff;
  color: var(--main);
  border: 1px solid #CADAF5;
}

.btn-ghost:hover {
  border-color: var(--main);
  background: var(--main-light);
  transform: translateY(-2px);
}

.btn-light {
  background: #fff;
  color: var(--main-dark);
  border: 1px solid transparent;
  box-shadow: var(--shadow-card);
}

.btn-light:hover {
  box-shadow: var(--shadow-hover);
  transform: translateY(-2px);
}

/* Brand */
.brand-logo {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
  font-weight: 700;
  letter-spacing: -0.01em;
}

.brand-icon {
  width: 38px;
  height: 38px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: var(--main);
  color: #fff;
  border-radius: 13px;
  font-size: 17px;
  box-shadow: 0 6px 14px rgba(46, 107, 230, .25);
}

.brand-icon i {
  color: #fff;
}

.brand-name {
  font-size: 18px;
  color: var(--text);
  white-space: nowrap;
}

/* Floating dock */
.site-header {
  position: fixed;
  top: 18px;
  left: 0;
  width: 100%;
  z-index: 500;
  padding-left: 18px;
  padding-right: 18px;
}

.header-dock {
  max-width: 1200px;
  margin: 0 auto;
  height: 70px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  background: rgba(255, 255, 255, .86);
  border: 1px solid rgba(226, 234, 242, .85);
  border-radius: 999px;
  padding: 0 22px 0 26px;
  box-shadow: var(--shadow-dock);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
}

.dock-nav {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 5px;
  flex: 1;
  min-width: 0;
}

.nav-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 10px 14px;
  border-radius: 999px;
  color: var(--muted);
  font-size: 15px;
  font-weight: 500;
  white-space: nowrap;
  transition: color .2s ease, background .2s ease;
}

.nav-link:hover {
  color: var(--main);
  background: var(--main-light);
}

.nav-link.active {
  color: var(--main-dark);
  background: var(--main-light);
  font-weight: 600;
  box-shadow: inset 0 0 0 1px rgba(46, 107, 230, .12);
}

.nav-link.active::before {
  content: "";
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--main);
  margin-right: 5px;
}

.nav-link[data-slug="banben-dongtai"].active {
  color: #0E5DB0;
}

.menu-toggle {
  width: 44px;
  height: 44px;
  display: none;
  align-items: center;
  justify-content: center;
  background: var(--main-light);
  color: var(--main);
  border-radius: 50%;
  transition: background .2s ease;
}

.mobile-nav {
  position: absolute;
  top: calc(100% + 12px);
  right: 0;
  width: min(280px, 88vw);
  background: #fff;
  border-radius: 18px;
  box-shadow: var(--shadow-hover);
  border: 1px solid var(--line);
  padding: 12px;
  display: none;
  flex-direction: column;
  gap: 4px;
}

.mobile-nav.open {
  display: flex;
}

.mobile-control {
  position: relative;
  display: none;
}

.mobile-nav a {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 11px 16px;
  border-radius: 12px;
  color: var(--text);
  font-size: 15px;
  font-weight: 500;
}

.mobile-nav a:hover,
.mobile-nav a.active {
  background: var(--main-light);
  color: var(--main-dark);
}

.mobile-nav a.active::before {
  content: "\f138";
  font-family: "Font Awesome 6 Free";
  font-weight: 900;
  color: var(--main);
  font-size: 13px;
}

/* Main top spacing */
.main-page {
  padding-top: 112px;
}

/* Breadcrumb */
.breadcrumb-bar {
  padding: 32px 0 16px;
}

.breadcrumb-list {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0;
  font-size: 14px;
  color: var(--light-muted);
}

.breadcrumb-list li {
  display: flex;
  align-items: center;
  gap: 8px;
}

.breadcrumb-list li + li::before {
  content: "/";
  color: #C2D2E5;
  margin: 0 8px;
}

.breadcrumb-list a:hover {
  color: var(--main);
}

/* Category page hero */
.cat-hero {
  position: relative;
  background: #EDF4FE;
  overflow: hidden;
}

.cat-hero::before {
  content: "";
  position: absolute;
  right: -30px;
  top: 0;
  bottom: 0;
  width: 45%;
  background-image: url("/assets/images/backpic/back-2.png");
  background-size: cover;
  background-position: right center;
  opacity: .28;
  pointer-events: none;
}

.cat-hero .container {
  position: relative;
  z-index: 1;
  padding-top: 58px;
  padding-bottom: 48px;
}

.cat-hero-tag {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(255, 255, 255, .9);
  border: 1px solid rgba(46, 107, 230, .15);
  color: var(--main);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: .04em;
  border-radius: 999px;
  padding: 6px 14px;
  margin-bottom: 18px;
}

.cat-hero h1 {
  font-size: clamp(2.3rem, 4.2vw, 3.6rem);
  line-height: 1.2;
  letter-spacing: -0.03em;
  color: var(--text);
  max-width: 760px;
}

.cat-hero-desc {
  margin-top: 20px;
  color: var(--muted);
  font-size: 17px;
  line-height: 1.95;
  max-width: 760px;
}

.cat-hero-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 26px;
}

.chip {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 999px;
  color: var(--muted);
  font-size: 13px;
  padding: 7px 14px;
  box-shadow: 0 3px 8px rgba(30, 55, 90, .05);
  transition: border-color .2s ease, color .2s ease;
}

.chip i {
  color: var(--accent);
  font-size: 12px;
}

.chip:hover {
  color: var(--main);
  border-color: var(--main);
}

/* Page index ribbon */
.anchor-ribbon-wrap {
  padding: 36px 0 0;
  position: relative;
  z-index: 2;
}

.anchor-ribbon {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  background: var(--card);
  border-radius: 18px;
  padding: 16px;
  box-shadow: var(--shadow-card);
  border: 1px solid var(--line);
}

.anchor-ribbon a {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  border-radius: 999px;
  padding: 10px 18px;
  background: var(--bg);
  border: 1px solid var(--line);
  color: var(--muted);
  font-size: 14px;
  font-weight: 600;
  transition: all .2s ease;
}

.anchor-ribbon a i {
  color: var(--main);
  font-size: 12px;
}

.anchor-ribbon a:hover {
  background: var(--main-light);
  border-color: var(--main);
  color: var(--main-dark);
}

/* TOC cards grid with Foundation */
.toc-section {
  padding-top: 56px;
}

.toc-card {
  display: flex;
  flex-direction: column;
  height: 100%;
  gap: 12px;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius-xl);
  padding: 26px;
  box-shadow: var(--shadow-card);
  min-height: 190px;
  transition: transform .25s ease, box-shadow .25s ease, border-color .25s ease;
}

.toc-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-hover);
  border-color: rgba(46, 107, 230, .35);
}

.toc-card .toc-icon {
  width: 46px;
  height: 46px;
  border-radius: 15px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: var(--main-light);
  color: var(--main);
  font-size: 19px;
}

.toc-card:nth-child(4n+2) .toc-icon {
  background: var(--accent-light);
  color: var(--accent);
}

.toc-card:nth-child(4n+3) .toc-icon {
  background: #FFF6E6;
  color: var(--yellow);
}

.toc-card strong {
  font-size: 17px;
  font-weight: 600;
  color: var(--text);
  letter-spacing: -0.01em;
}

.toc-card p {
  color: var(--muted);
  font-size: 14px;
  line-height: 1.8;
  margin-top: auto;
}

.toc-link {
  margin-top: auto;
  color: var(--main);
  font-size: 14px;
  font-weight: 600;
  display: inline-flex;
  align-items: center;
  gap: 7px;
}

.gr-padding {
  margin-bottom: -26px;
}

.gr-padding > .cell {
  margin-bottom: 26px;
}

/* Service directory rows */
.directory-area {
  background: var(--bg);
}

.directory-head {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 28px;
  margin-bottom: 36px;
}

.directory-note {
  color: var(--light-muted);
  font-size: 14px;
  max-width: 330px;
  line-height: 1.8;
  text-align: right;
}

.directory-list {
  border-radius: var(--radius-xl);
  background: #fff;
  border: 1px solid var(--line);
  overflow: hidden;
  box-shadow: var(--shadow-card);
}

.directory-row {
  display: grid;
  grid-template-columns: 90px 1fr 54px;
  align-items: center;
  gap: 24px;
  padding: 28px 30px;
  background: #fff;
  border-bottom: 1px solid var(--line);
  transition: background .2s ease, transform .2s ease;
  text-align: left;
}

.directory-row:last-child {
  border-bottom: none;
}

.directory-row:hover {
  background: var(--main-light);
  transform: translateX(5px);
}

.directory-row .row-num {
  font-size: 14px;
  font-weight: 800;
  letter-spacing: .05em;
  color: var(--main);
  background: var(--main-light);
  width: 44px;
  height: 44px;
  border-radius: 50%;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

.directory-row .row-data {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.directory-row .row-title {
  font-size: 20px;
  font-weight: 650;
  color: var(--text);
  letter-spacing: -0.01em;
}

.directory-row .row-copy {
  color: var(--muted);
  font-size: 15px;
  line-height: 1.85;
}

.directory-row .row-more {
  width: 42px;
  height: 42px;
  border-radius: 50%;
  background: #F2F6FB;
  color: var(--main);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  transition: background .2s ease, color .2s ease;
}

.directory-row:hover .row-more {
  background: var(--main);
  color: #fff;
}

/* Split figure */
.split-section .container {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(0, .95fr);
  align-items: center;
  gap: 70px;
}

.split-copy {
  order: 1;
}

.split-copy .section-desc {
  margin-bottom: 26px;
}

.split-visual {
  order: 2;
  position: relative;
}

.visual-panel {
  position: relative;
  border-radius: 24px;
  overflow: hidden;
  box-shadow: var(--shadow-hover);
}

.visual-panel img {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
}

.visual-float-card {
  position: absolute;
  left: -34px;
  bottom: 30px;
  width: 220px;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 18px;
  padding: 18px;
  box-shadow: var(--shadow-hover);
}

.visual-float-card .float-title {
  font-size: 14px;
  color: var(--muted);
  margin-bottom: 8px;
}

.mini-point-list {
  display: flex;
  flex-direction: column;
  gap: 7px;
}

.mini-point-list li {
  display: flex;
  align-items: flex-start;
  gap: 7px;
  font-size: 13px;
  line-height: 1.5;
  color: var(--text);
}

.mini-point-list li i {
  color: var(--accent);
  margin-top: 3px;
}

.check-list {
  display: grid;
  gap: 15px;
  margin-top: 6px;
}

.check-list li {
  display: grid;
  grid-template-columns: 26px 1fr;
  gap: 12px;
  align-items: flex-start;
}

.check-list .check-icon {
  width: 26px;
  height: 26px;
  background: var(--accent-light);
  color: var(--accent);
  border-radius: 50%;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 12px;
  margin-top: 3px;
}

.check-list strong {
  display: block;
  font-size: 16px;
  color: var(--text);
  line-height: 1.5;
}

.check-list span {
  display: block;
  color: var(--muted);
  font-size: 14px;
  line-height: 1.8;
}

.quote-box {
  border-left: 3px solid var(--main);
  background: var(--main-light);
  border-radius: 0 16px 16px 0;
  padding: 20px 24px;
  color: #33547C;
  font-size: 15px;
  line-height: 1.9;
  margin-top: 30px;
}

/* Scene cards */
.scene-grid .cell {
  display: flex;
}

.scene-card {
  display: flex;
  flex-direction: column;
  gap: 18px;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius-xl);
  padding: 34px 30px;
  box-shadow: var(--shadow-card);
  width: 100%;
  transition: transform .25s ease, box-shadow .25s ease, border-color .25s ease;
}

.scene-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-hover);
  border-color: rgba(46, 107, 230, .32);
}

.scene-card .scene-icon {
  width: 54px;
  height: 54px;
  background: var(--main-light);
  border-radius: 17px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 22px;
  color: var(--main);
}

.scene-card:nth-child(3n+2) .scene-icon {
  background: var(--accent-light);
  color: var(--accent);
}

.scene-card h3 {
  font-size: 19px;
  color: var(--text);
  letter-spacing: -0.01em;
}

.scene-card p {
  color: var(--muted);
  font-size: 14px;
  line-height: 1.9;
  margin-top: auto;
}

.scene-card .scene-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 7px;
}

.scene-card .scene-tags span {
  background: var(--bg);
  border: 1px solid var(--line);
  color: var(--muted);
  border-radius: 999px;
  padding: 4px 11px;
  font-size: 12px;
}

/* Steps */
.steps-band {
  background: var(--card);
}

.steps-head {
  max-width: 680px;
  margin-bottom: 48px;
}

.steps-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

.step-card {
  position: relative;
  background: var(--bg);
  border: 1px solid var(--line);
  border-radius: 20px;
  padding: 30px 24px 26px;
  min-height: 250px;
  transition: border-color .25s ease, background .25s ease, transform .25s ease;
}

.step-card:hover {
  background: #fff;
  border-color: rgba(46, 107, 230, .4);
  transform: translateY(-4px);
  box-shadow: var(--shadow-hover);
}

.step-num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 22px;
  font-weight: 800;
  color: var(--main);
  background: var(--main-light);
  width: 46px;
  height: 46px;
  border-radius: 14px;
  margin-bottom: 18px;
}

.step-card h3 {
  font-size: 17px;
  color: var(--text);
  margin-bottom: 10px;
}

.step-card p {
  color: var(--muted);
  font-size: 14px;
  line-height: 1.85;
}

/* FAQ */
.faq-section {
  background: var(--card);
}

.faq-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 18px;
  margin-top: 40px;
}

.faq-card {
  background: var(--bg);
  border: 1px solid var(--line);
  border-radius: 18px;
  overflow: hidden;
  transition: border-color .2s ease, box-shadow .2s ease;
}

.faq-card:hover {
  border-color: rgba(46, 107, 230, .3);
  box-shadow: var(--shadow-card);
}

.faq-card summary {
  list-style: none;
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 22px 24px;
  cursor: pointer;
  color: var(--text);
  font-size: 16px;
  font-weight: 600;
  line-height: 1.6;
  transition: color .2s ease;
}

.faq-card summary::-webkit-details-marker {
  display: none;
}

.faq-card summary .q-mark {
  flex-shrink: 0;
  width: 34px;
  height: 34px;
  border-radius: 50%;
  background: var(--main-light);
  color: var(--main);
  font-size: 13px;
  font-weight: 800;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

.faq-card summary .toggle-icon {
  margin-left: auto;
  color: var(--light-muted);
  font-size: 14px;
  transition: transform .25s ease, color .25s ease;
}

.faq-card[open] summary {
  color: var(--main-dark);
}

.faq-card[open] summary .toggle-icon {
  transform: rotate(45deg);
  color: var(--main);
}

.faq-answer {
  padding: 0 24px 22px 72px;
  color: var(--muted);
  font-size: 15px;
  line-height: 1.9;
}

.faq-answer strong {
  color: var(--text);
}

/* CTA */
.cta-area {
  background: var(--main-light);
  border-top: 1px solid rgba(46, 107, 230, .14);
  border-bottom: 1px solid rgba(46, 107, 230, .14);
}

.cta-box {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 44px;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 26px;
  padding: 48px 52px;
  box-shadow: var(--shadow-card);
}

.cta-box h2 {
  font-size: clamp(1.5rem, 2.4vw, 2.2rem);
  line-height: 1.45;
  letter-spacing: -0.02em;
  color: var(--text);
}

.cta-box p {
  color: var(--muted);
  margin-top: 14px;
  font-size: 16px;
  max-width: 620px;
  line-height: 1.9;
}

.cta-actions {
  display: flex;
  flex-direction: column;
  gap: 12px;
  flex-shrink: 0;
}

/* Footer */
.site-footer {
  background: #EDF2F8;
  border-top: 1px solid var(--line);
  padding: 62px 0 28px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr .8fr .9fr .8fr;
  gap: 46px;
}

.footer-brand p {
  color: var(--muted);
  font-size: 14px;
  line-height: 2;
  margin-top: 16px;
  max-width: 320px;
}

.footer-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 700;
  color: var(--text);
  font-size: 18px;
}

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

.footer-link-list {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.footer-link-list a {
  color: var(--muted);
  font-size: 14px;
  display: inline-flex;
  align-items: center;
  gap: 7px;
  transition: color .2s ease, transform .2s ease;
}

.footer-link-list a i {
  color: var(--main);
  font-size: 12px;
}

.footer-link-list a:hover {
  color: var(--main);
  transform: translateX(3px);
}

.footer-bottom {
  margin-top: 44px;
  border-top: 1px solid #D9E3EF;
  padding-top: 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  color: var(--light-muted);
  font-size: 13px;
}

.scroll-top {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  color: var(--muted);
  font-size: 13px;
  transition: color .2s ease;
}

.scroll-top:hover {
  color: var(--main);
}

/* Responsive */
@media (min-width: 1024px) {
  .basis-test .cell {
    min-height: 0;
  }
}

@media (max-width: 1024px) {
  .section-block {
    padding: 72px 0;
  }

  .split-section .container {
    gap: 44px;
  }

  .steps-grid {
    grid-template-columns: repeat(2, 1fr);
    row-gap: 20px;
  }

  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: 40px;
  }

  .directory-row {
    grid-template-columns: 76px 1fr 46px;
    gap: 16px;
    padding: 24px;
  }
}

@media (max-width: 900px) {
  .main-page {
    padding-top: 100px;
  }

  .site-header {
    top: 12px;
    padding-left: 12px;
    padding-right: 12px;
  }

  .header-dock {
    height: 64px;
    padding: 0 14px 0 18px;
  }

  .dock-nav {
    display: none;
  }

  .mobile-control {
    display: block;
  }

  .menu-toggle {
    display: inline-flex;
  }
}

@media (max-width: 768px) {
  .container {
    padding-left: 20px;
    padding-right: 20px;
  }

  .section-block {
    padding: 60px 0;
  }

  .cat-hero .container {
    padding-top: 40px;
    padding-bottom: 34px;
  }

  .cat-hero::before {
    opacity: .14;
    width: 70%;
  }

  .cat-hero-desc {
    font-size: 16px;
  }

  .directory-head {
    flex-direction: column;
    align-items: flex-start;
    gap: 12px;
  }

  .directory-note {
    text-align: left;
    max-width: none;
  }

  .split-section .container {
    grid-template-columns: 1fr;
    gap: 44px;
  }

  .split-copy {
    order: 2;
  }

  .split-visual {
    order: 1;
  }

  .visual-float-card {
    left: 16px;
    bottom: 14px;
  }

  .cta-box {
    flex-direction: column;
    padding: 36px 30px;
    border-radius: 22px;
  }

  .cta-actions {
    flex-direction: row;
    flex-wrap: wrap;
  }

  .faq-grid {
    grid-template-columns: 1fr;
  }

  .cat-hero-title {
    font-size: 2.4rem;
  }
}

@media (max-width: 639px) {
  .brand-name {
    font-size: 16px;
  }

  .brand-icon {
    width: 34px;
    height: 34px;
  }

  .cat-hero h1 {
    font-size: clamp(1.9rem, 6.5vw, 2.5rem);
  }

  .section-title {
    font-size: 1.55rem;
  }

  .directory-row {
    grid-template-columns: 56px 1fr 36px;
    gap: 14px;
    padding: 20px 18px;
  }

  .directory-row .row-num {
    width: 38px;
    height: 38px;
    font-size: 13px;
  }

  .directory-row .row-title {
    font-size: 17px;
  }

  .directory-row .row-copy {
    font-size: 14px;
  }

  .directory-row .row-more {
    width: 36px;
    height: 36px;
  }

  .steps-grid {
    grid-template-columns: 1fr;
  }

  .step-card {
    min-height: 0;
  }

  .footer-grid {
    grid-template-columns: 1fr;
    gap: 32px;
  }

  .footer-bottom {
    flex-direction: column;
    align-items: flex-start;
  }

  .visual-panel img {
    aspect-ratio: 1 / .8;
  }

  .visual-float-card {
    position: static;
    width: auto;
    margin-top: 14px;
  }

  .faq-answer {
    padding: 0 20px 20px 20px;
  }

  .faq-card summary {
    padding: 18px 18px;
    font-size: 15px;
  }

  .cta-actions {
    flex-direction: column;
    width: 100%;
  }

  .cta-actions .btn {
    width: 100%;
  }
}

@media (max-width: 480px) {
  .anchor-ribbon {
    flex-wrap: nowrap;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    padding: 12px;
  }

  .anchor-ribbon a {
    white-space: nowrap;
    flex-shrink: 0;
    padding: 8px 14px;
    font-size: 13px;
  }

  .brand-name {
    letter-spacing: -0.02em;
  }
}