/* roulang page: index */
:root{
  --primary:#154254;
  --primary-deep:#0B2C3A;
  --accent:#E75B31;
  --accent-hover:#C94522;
  --decor-gold:#F3C364;
  --bg-warm:#F5F4EE;
  --surface:#FFFFFF;
  --border:#D9E0E3;
  --text-strong:#1A252C;
  --text-body:#384952;
  --text-muted:#6A7B85;
  --radius-card:18px;
  --radius-btn:8px;
  --radius-img:14px;
  --shadow-sm:0 2px 8px rgba(10,40,52,.06);
  --shadow-lg:0 18px 40px rgba(10,40,52,.10);
  --font-stack:"PingFang SC","Microsoft YaHei","Noto Sans CJK SC","Hiragino Sans GB",sans-serif;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:var(--font-stack);
  font-size:16px;
  line-height:1.78;
  color:var(--text-body);
  background:var(--bg-warm);
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4,h5,h6{
  color:var(--text-strong);
  line-height:1.3;
  font-weight:700;
  margin:0 0 .55em;
}
p{margin:0 0 1.1em}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block;height:auto}
li{list-style:none}
ul,ol{padding:0;margin:0}
svg{display:block}
.btn{
  border-radius:var(--radius-btn);
  font-weight:600;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  padding:12px 24px;
  border:1px solid transparent;
  transition:all .22s ease;
  line-height:1.5;
}
.btn:hover{transform:translateY(-2px)}
.btn:focus-visible{
  outline:3px solid rgba(231,91,49,.38);
  outline-offset:2px;
}
.btn:active{transform:translateY(0) scale(.99)}
.btn-main{
  background:var(--accent);
  color:#fff;
  box-shadow:0 8px 20px rgba(231,91,49,.20);
}
.btn-main:hover{background:var(--accent-hover);color:#fff;box-shadow:0 12px 26px rgba(231,91,49,.24)}
.btn-ghost{
  border-color:rgba(255,255,255,.55);
  background:rgba(255,255,255,.04);
  color:#fff;
}
.btn-ghost:hover{background:rgba(255,255,255,.14);color:#fff}
.btn-outline{
  border-color:var(--primary);
  color:var(--primary);
  background:transparent;
}
.btn-outline:hover{background:rgba(21,66,84,.08);color:var(--primary)}
.btn-outline-light{
  border-color:rgba(255,255,255,.6);
  color:#fff;
  background:transparent;
}
.btn-outline-light:hover{background:#fff;color:var(--primary-deep)}
.container{max-width:1200px;padding-left:24px;padding-right:24px}
.page-wrap{background:#fff;overflow:hidden}

/* Header */
.site-header{
  position:sticky;
  top:0;
  z-index:1030;
  background:rgba(255,255,255,.98);
  box-shadow:0 1px 0 rgba(10,40,52,.06),0 6px 18px rgba(10,40,52,.03);
}
.header-inner{
  display:flex;
  align-items:center;
  justify-content:space-between;
  min-height:76px;
  gap:18px;
}
.brand{
  display:inline-flex;
  align-items:center;
  gap:10px;
  flex-shrink:0;
}
.brand-mark{
  width:36px;
  height:36px;
  border-radius:11px;
  background:var(--primary);
  display:inline-flex;
  align-items:center;
  justify-content:center;
  box-shadow:0 4px 12px rgba(21,66,84,.18);
}
.brand-text{
  color:var(--text-strong);
  font-size:20px;
  line-height:1.2;
  font-weight:800;
  letter-spacing:.01em;
  white-space:nowrap;
}
.site-nav{
  display:flex;
  align-items:center;
  margin-left:auto;
  gap:2px;
}
.nav-item{
  position:relative;
  display:inline-block;
  color:var(--text-body);
  font-weight:500;
  padding:10px 14px;
  border-radius:9px;
  transition:color .2s ease,background .2s ease;
}
.nav-item:hover{color:var(--primary-deep);background:var(--bg-warm)}
.nav-item.active{
  color:var(--accent);
  font-weight:700;
}
.nav-item.active::after{
  content:"";
  position:absolute;
  left:14px;
  right:14px;
  bottom:5px;
  height:3px;
  border-radius:99px;
  background:var(--accent);
}
.header-cta{
  margin-left:16px;
  padding:10px 22px;
  flex-shrink:0;
}
.header-cta:hover{color:#fff}

/* Mobile bottom navigation */
.mobile-tabs{
  display:none;
  position:fixed;
  left:0;
  right:0;
  bottom:0;
  z-index:1080;
  background:#fff;
  border-top:1px solid rgba(21,66,84,.10);
  height:calc(58px + env(safe-area-inset-bottom));
  padding-bottom:env(safe-area-inset-bottom);
  box-shadow:0 -8px 26px rgba(10,40,52,.06);
}
.mobile-tab{
  display:flex;
  flex:1;
  flex-direction:column;
  align-items:center;
  justify-content:center;
  gap:3px;
  font-size:11px;
  color:var(--text-muted);
  transition:color .2s ease;
  min-width:0;
}
.mobile-tab svg{
  width:21px;
  height:21px;
  color:currentColor;
}
.mobile-tab--active,
.mobile-tab--active:hover{
  color:var(--accent);
  font-weight:700;
}

/* Hero */
.hero{
  position:relative;
  color:#fff;
  padding:clamp(72px,9vw,120px) 0 clamp(64px,8vw,106px);
  overflow:hidden;
  background:var(--primary-deep);
}
.hero-bg{
  position:absolute;
  inset:0;
  width:100%;
  height:100%;
  object-fit:cover;
  object-position:center;
}
.hero-overlay{
  position:absolute;
  inset:0;
  background:
    radial-gradient(circle at 78% 24%,rgba(21,66,84,.38) 0%,transparent 46%),
    linear-gradient(100deg,rgba(11,44,58,.96) 18%,rgba(11,44,58,.78) 72%,rgba(21,66,84,.42) 100%);
}
.hero-inner{position:relative;z-index:2}
.hero-copy .eyebrow{margin-bottom:18px}
.hero-title{
  color:#fff;
  font-size:clamp(32px,4.6vw,48px);
  font-weight:800;
  line-height:1.22;
  letter-spacing:.01em;
  max-width:590px;
}
.hero-subtitle{
  color:rgba(255,255,255,.84);
  font-size:17px;
  line-height:1.85;
  max-width:540px;
  margin:20px 0 26px;
}
.hero-actions{
  display:flex;
  flex-wrap:wrap;
  gap:12px;
  align-items:center;
}
.hero-stat-grid{
  display:grid;
  grid-template-columns:repeat(3,minmax(0,1fr));
  gap:15px;
  margin-top:40px;
  padding-top:24px;
  border-top:1px solid rgba(255,255,255,.16);
  max-width:560px;
}
.hero-stat strong{
  display:block;
  color:#fff;
  font-size:28px;
  font-weight:800;
  line-height:1.1;
}
.hero-stat strong i{
  font-style:normal;
  color:var(--decor-gold);
  font-size:17px;
  font-weight:700;
  margin-left:2px;
}
.hero-stat span{
  color:rgba(255,255,255,.68);
  font-size:12px;
  letter-spacing:.05em;
  display:inline-block;
  margin-top:5px;
}
.eyebrow{
  display:inline-flex;
  align-items:center;
  gap:7px;
  font-size:12px;
  letter-spacing:.14em;
  border:1px solid rgba(21,66,84,.18);
  color:var(--primary);
  padding:6px 14px;
  border-radius:99px;
  line-height:1.4;
}
.eyebrow--light{
  border-color:rgba(255,255,255,.26);
  background:rgba(255,255,255,.06);
  color:#fff;
}
.eyebrow--accent{
  border-color:rgba(231,91,49,.35);
  color:var(--accent);
  background:rgba(231,91,49,.06);
}
.brandtitle-ornament::before{content:"";width:16px;height:2px;background:var(--accent);display:inline-block}
.hero-media{
  position:relative;
  border-radius:20px;
  overflow:hidden;
  box-shadow:0 24px 60px rgba(5,22,30,.40);
  aspect-ratio:4/3;
  margin-left:auto;
  max-width:520px;
  background:var(--primary-deep);
}
.hero-media > img{
  width:100%;
  height:100%;
  object-fit:cover;
}
.hero-media::after{
  content:"";
  position:absolute;
  inset:0;
  background:linear-gradient(180deg,rgba(11,44,58,.10) 0%,rgba(11,44,58,.68) 100%);
}
.media-note{
  position:absolute;
  z-index:2;
  left:14px;
  right:14px;
  bottom:14px;
  background:var(--primary-deep);
  border-left:4px solid var(--accent);
  border-radius:14px;
  padding:15px 17px;
  color:#fff;
  box-shadow:0 10px 28px rgba(5,22,30,.28);
}
.media-note-label{
  display:inline-block;
  font-size:11px;
  letter-spacing:.16em;
  color:var(--decor-gold);
  margin-bottom:5px;
}
.media-note strong{
  display:block;
  font-size:16px;
  margin-bottom:3px;
}
.media-note p{
  font-size:13px;
  color:rgba(255,255,255,.72);
  margin:0;
}

/* Section basics */
.section{
  padding:clamp(60px,8vw,112px) 0;
}
.section--white{background:#fff}
.section--alt{background:var(--bg-warm)}
.section--deep{background:var(--primary-deep)}
.section-head{
  display:flex;
  flex-wrap:wrap;
  justify-content:space-between;
  gap:26px;
  margin-bottom:46px;
}
.section-head .eyebrow{margin-bottom:14px}
.section-title{
  font-size:clamp(28px,3.4vw,38px);
  line-height:1.22;
  color:var(--text-strong);
  font-weight:800;
}
.section-title--light{color:#fff}
.section-head-desc{
  max-width:470px;
  color:var(--text-muted);
  font-size:15px;
  line-height:1.8;
  margin:18px 0 0;
  align-self:flex-end;
}
.section-head-desc a{
  color:var(--accent);
  font-weight:600;
}
.section-head-desc a:hover{color:var(--accent-hover)}
.arrow-link{
  color:var(--accent);
  font-weight:600;
  display:inline-flex;
  align-items:center;
  gap:6px;
}
.arrow-link svg{width:16px;height:16px;transition:transform .2s ease}
.arrow-link:hover{color:var(--accent-hover)}
.arrow-link:hover svg{transform:translateX(3px)}

/* Features / Content categories */
.feature-card{
  position:relative;
  background:#fff;
  border:1px solid var(--border);
  border-radius:var(--radius-card);
  padding:30px;
  height:100%;
  width:100%;
  overflow:hidden;
  transition:transform .28s ease,box-shadow .28s ease,border-color .28s ease;
}
.feature-card:hover{
  transform:translateY(-4px);
  box-shadow:var(--shadow-lg);
  border-color:rgba(21,66,84,.18);
}
.feature-card--gray{
  background:#F9FAF8;
}
.feature-card--deep{
  background:var(--primary-deep);
  color:#fff;
  border-color:var(--primary-deep);
}
.feature-card--deep .feature-title{color:#fff}
.feature-card--deep .feature-text{color:rgba(255,255,255,.72)}
.feature-icon{
  background:rgba(21,66,84,.07);
  color:var(--primary);
  width:46px;
  height:46px;
  border-radius:13px;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  margin-bottom:18px;
}
.feature-icon svg{width:24px;height:24px}
.feature-icon--accent{
  background:var(--accent);
  color:#fff;
}
.feature-title{
  font-size:20px;
  font-weight:700;
  margin-bottom:10px;
}
.feature-text{
  font-size:14.5px;
  line-height:1.8;
  color:var(--text-body);
  margin-bottom:18px;
}
.feature-tag-row{
  display:flex;
  flex-wrap:wrap;
  gap:8px;
  margin-top:auto;
}
.tag{
  background:rgba(21,66,84,.08);
  color:var(--primary);
  font-size:12px;
  border-radius:99px;
  padding:4px 12px;
  display:inline-block;
}
.tag--accent{
  background:rgba(231,91,49,.11);
  color:var(--accent);
}
.tag--gold{
  background:rgba(243,195,100,.2);
  color:#8a6a13;
}
.feature-tick-list{
  margin:8px 0 16px;
}
.feature-tick-list li{
  position:relative;
  color:var(--text-body);
  font-size:14.5px;
  padding:5px 0 5px 24px;
  line-height:1.7;
}
.feature-tick-list li::before{
  content:"";
  display:inline-block;
  width:9px;
  height:9px;
  border-radius:50%;
  background:var(--accent);
  position:absolute;
  left:4px;
  top:13px;
}
.feature-photo{
  border-radius:14px;
  width:100%;
  height:210px;
  object-fit:cover;
  box-shadow:0 10px 24px rgba(10,40,52,.12);
}
.feature-photo--mini{height:150px}
.mini-visual{
  background:var(--bg-warm);
  border-radius:14px;
  padding:16px;
  font-size:13px;
  color:var(--text-muted);
  margin-top:12px;
}
.mini-visual-line{
  display:flex;
  justify-content:space-between;
  gap:16px;
  padding:7px 0;
  border-bottom:1px dashed rgba(21,66,84,.12);
}
.mini-visual-line:last-child{border-bottom:none}
.mini-visual-line span:first-child{color:var(--primary);font-weight:600}
.bento-gap{margin-bottom:24px}

/* Scenario */
.scenario-section{
  background:var(--primary-deep);
  color:#fff;
  padding:clamp(60px,8vw,112px) 0;
}
.scenario-intro{
  position:sticky;
  top:110px;
}
.scenario-copy{
  font-size:16px;
  line-height:1.85;
  color:rgba(255,255,255,.74);
  max-width:430px;
  margin:18px 0 26px;
}
.scenario-list{
  display:flex;
  flex-direction:column;
}
.scenario-item{
  display:grid;
  grid-template-columns:84px 1fr;
  gap:20px;
  padding:32px 0;
  border-bottom:1px solid rgba(255,255,255,.14);
  transition:transform .28s ease,padding-left .28s ease;
}
.scenario-item:first-child{padding-top:0}
.scenario-item:hover{
  transform:translateX(6px);
  padding-left:12px;
}
.scenario-num{
  font-size:30px;
  font-weight:800;
  color:var(--decor-gold);
  opacity:.92;
  line-height:1;
}
.scenario-name{
  color:#fff;
  font-size:20px;
  font-weight:700;
  margin-bottom:5px;
}
.scenario-desc{
  color:rgba(255,255,255,.68);
  font-size:14.5px;
  line-height:1.85;
  margin-bottom:15px;
  max-width:640px;
}
.scenario-tags{
  display:flex;
  flex-wrap:wrap;
  gap:8px;
}
.scenario-tags .tag{
  background:rgba(255,255,255,.12);
  color:#fff;
}

/* Cases */
.case-side{
  display:flex;
  flex-direction:column;
  gap:24px;
  height:100%;
}
.case-main{
  position:relative;
  border-radius:20px;
  overflow:hidden;
  min-height:480px;
  max-height:560px;
  height:100%;
  color:#fff;
  background:var(--primary-deep);
  display:flex;
  align-items:flex-end;
}
.case-main img{
  position:absolute;
  inset:0;
  width:100%;
  height:100%;
  object-fit:cover;
}
.case-main::after{
  content:"";
  position:absolute;
  inset:0;
  background:linear-gradient(180deg,rgba(11,44,58,.10) 35%,rgba(11,44,58,.90) 100%);
}
.case-main-content{
  position:relative;
  z-index:2;
  padding:34px;
  width:100%;
}
.case-category{
  color:var(--decor-gold);
  font-size:12px;
  letter-spacing:.1em;
  margin-bottom:10px;
  display:inline-block;
}
.case-main-title{
  color:#fff;
  font-size:23px;
  font-weight:800;
}
.case-main-text{
  color:rgba(255,255,255,.8);
  font-size:14.5px;
  line-height:1.8;
  max-width:560px;
  margin-top:8px;
}
.case-data-row{
  display:flex;
  flex-wrap:wrap;
  gap:22px;
  margin-top:20px;
}
.case-data{
  background:rgba(255,255,255,.1);
  border:1px solid rgba(255,255,255,.14);
  border-radius:10px;
  padding:9px 14px;
  min-width:120px;
}
.case-data strong{
  color:#fff;
  font-size:19px;
  display:block;
  line-height:1.2;
}
.case-data span{
  font-size:12px;
  color:rgba(255,255,255,.74);
}
.case-mini{
  background:#F9FAF8;
  border:1px solid var(--border);
  border-radius:16px;
  padding:18px;
  display:grid;
  grid-template-columns:118px 1fr;
  gap:16px;
  align-items:center;
  flex:1;
  transition:transform .22s ease,box-shadow .22s ease;
}
.case-mini:hover{
  transform:translateY(-3px);
  box-shadow:var(--shadow-lg);
}
.case-mini-photo{
  border-radius:12px;
  overflow:hidden;
  width:118px;
  height:100px;
  object-fit:cover;
}
.case-mini-title{
  font-size:16px;
  font-weight:700;
  margin-bottom:5px;
}
.case-mini-text{
  font-size:13px;
  color:var(--text-muted);
  line-height:1.7;
  margin:0 0 8px;
  display:-webkit-box;
  -webkit-line-clamp:2;
  -webkit-box-orient:vertical;
  overflow:hidden;
}
.case-mini-link{
  color:var(--accent);
  font-weight:600;
  font-size:13px;
  display:inline-flex;
  align-items:center;
  gap:4px;
}
.case-mini-link svg{width:14px;height:14px}
.case-pill-row{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:10px;
  margin-top:38px;
  background:var(--bg-warm);
  border-radius:14px;
  padding:16px 20px;
}
.case-pill-row span{
  color:var(--text-muted);
  font-size:13px;
  letter-spacing:.04em;
}
.case-pill{
  display:inline-block;
  padding:4px 14px;
  border-radius:99px;
  border:1px solid var(--border);
  background:#fff;
  color:var(--primary);
  font-size:13px;
  font-weight:600;
}

/* Pricing */
.plan-card{
  background:#fff;
  border:1px solid var(--border);
  border-radius:20px;
  padding:34px 28px;
  height:100%;
  display:flex;
  flex-direction:column;
  position:relative;
  transition:transform .25s ease,box-shadow .25s ease;
}
.plan-card:hover{
  box-shadow:var(--shadow-lg);
  transform:translateY(-4px);
}
.plan-card--featured{
  background:var(--primary);
  color:#fff;
  border:0;
  padding:40px 30px;
  box-shadow:0 20px 42px rgba(11,44,58,.24);
  transform:translateY(-10px);
}
.plan-card--featured:hover{
  transform:translateY(-13px);
  box-shadow:0 24px 50px rgba(11,44,58,.30);
}
.plan-name{
  font-size:20px;
  font-weight:800;
  color:var(--text-strong);
  margin-bottom:4px;
}
.plan-card--featured .plan-name{color:#fff}
.plan-desc{
  font-size:14px;
  color:var(--text-muted);
  line-height:1.75;
  margin-bottom:22px;
  min-height:44px;
}
.plan-card--featured .plan-desc{color:rgba(255,255,255,.76)}
.plan-list{
  margin-bottom:30px;
  flex:1;
}
.plan-list li{
  position:relative;
  padding:7px 0 7px 24px;
  font-size:14px;
  color:var(--text-body);
  line-height:1.75;
  border-bottom:1px dashed rgba(21,66,84,.08);
}
.plan-list li::before{
  content:"";
  width:6px;
  height:6px;
  border-radius:50%;
  background:var(--accent);
  position:absolute;
  left:4px;
  top:17px;
}
.plan-card--featured .plan-list li{
  color:rgba(255,255,255,.82);
  border-bottom-color:rgba(255,255,255,.12);
}
.plan-list li:last-child{border-bottom:none}
.recommend-badge{
  position:absolute;
  top:-13px;
  left:50%;
  transform:translateX(-50%);
  background:var(--decor-gold);
  color:#332313;
  font-size:12px;
  font-weight:700;
  letter-spacing:.06em;
  padding:5px 14px;
  border-radius:99px;
  white-space:nowrap;
  box-shadow:0 6px 14px rgba(21,66,84,.16);
}

/* News / Latest */
.news-feature{
  height:100%;
  width:100%;
}
.news-feature-link{
  background:#fff;
  border:1px solid var(--border);
  border-radius:16px;
  padding:14px;
  display:grid;
  grid-template-columns:190px minmax(0,1fr);
  gap:18px;
  align-items:center;
  height:100%;
  transition:transform .24s ease,box-shadow .24s ease,border-color .24s ease;
}
.news-feature-link:hover{
  transform:translateY(-4px);
  box-shadow:var(--shadow-lg);
  border-color:var(--primary);
}
.news-thumb{
  border-radius:12px;
  overflow:hidden;
  width:100%;
  height:132px;
  background:var(--bg-warm);
  position:relative;
}
.news-thumb img{
  width:100%;
  height:100%;
  object-fit:cover;
}
.news-thumb::after{
  content:"";
  position:absolute;
  inset:auto 0 0 0;
  height:34%;
  background:linear-gradient(180deg,transparent,rgba(11,44,58,.35));
}
.news-content{
  display:flex;
  flex-direction:column;
  min-width:0;
}
.news-meta{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:10px;
  margin-top:8px;
}
.news-date{
  color:var(--text-muted);
  font-size:12px;
  letter-spacing:.04em;
}
.news-title{
  font-size:17px;
  line-height:1.5;
  font-weight:700;
  margin:8px 0 7px;
  overflow:hidden;
  white-space:nowrap;
  text-overflow:ellipsis;
}
.news-summary{
  color:var(--text-muted);
  font-size:13.5px;
  line-height:1.7;
  margin:0 0 6px;
  overflow:hidden;
  white-space:nowrap;
  text-overflow:ellipsis;
}
.news-open{
  color:var(--accent);
  font-weight:600;
  font-size:13px;
  display:inline-flex;
  align-items:center;
  gap:4px;
  white-space:nowrap;
}
.news-open svg{width:15px;height:15px;transition:transform .2s ease}
.news-feature-link:hover .news-open svg{transform:translateX(3px)}
.news-card-col{
  display:flex;
  margin-bottom:24px;
}
.news-empty{
  border:1px dashed #C6D1D5;
  background:#FAFAF7;
  border-radius:18px;
  min-height:200px;
  display:flex;
  flex-direction:column;
  align-items:center;
  justify-content:center;
  gap:10px;
  padding:30px;
  color:var(--text-muted);
}
.news-empty svg{
  width:32px;
  height:32px;
  opacity:.4;
}

/* FAQ */
.faq-wrap .accordion-item{
  border:1px solid var(--border);
  border-radius:16px;
  overflow:hidden;
  margin-bottom:14px;
  background:#fff;
  box-shadow:var(--shadow-sm);
}
.faq-wrap .accordion-button{
  background:#fff;
  color:var(--text-strong);
  font-weight:700;
  font-size:16px;
  padding:22px 52px 22px 24px;
  border:0;
  box-shadow:none;
  position:relative;
  line-height:1.6;
}
.faq-wrap .accordion-button:hover{
  background:var(--bg-warm);
  z-index:1;
}
.faq-wrap .accordion-button:focus{
  box-shadow:0 0 0 3px rgba(21,66,84,.12);
}
.faq-wrap .accordion-button:not(.collapsed){
  background:var(--primary);
  color:#fff;
}
.faq-wrap .accordion-button::after{
  content:"+";
  background-image:none!important;
  font-size:28px;
  font-weight:300;
  display:flex;
  align-items:center;
  justify-content:center;
  width:26px;
  height:26px;
  position:absolute;
  right:20px;
  top:18px;
  line-height:1;
}
.faq-wrap .accordion-button:not(.collapsed)::after{
  color:#fff;
  content:"−";
  transform:none;
}
.faq-wrap .accordion-body{
  padding:0 24px 24px;
  color:var(--text-body);
  font-size:15px;
  line-height:1.8;
}
.faq-intro p{
  color:var(--text-muted);
}

/* CTA */
.cta-block{
  background:var(--primary-deep);
  border-radius:24px;
  overflow:hidden;
  position:relative;
  padding:clamp(36px,5vw,58px);
  color:#fff;
}
.cta-block-bg{
  position:absolute;
  inset:0;
  width:100%;
  height:100%;
  object-fit:cover;
}
.cta-block-overlay{
  position:absolute;
  inset:0;
  background:linear-gradient(100deg,rgba(11,44,58,.96) 0%,rgba(11,44,58,.84) 68%,rgba(21,66,84,.58) 100%);
}
.cta-block .container{
  position:relative;
  z-index:3;
  max-width:1100px;
  padding-left:0;
  padding-right:0;
}
.cta-title{
  color:#fff;
  font-size:clamp(26px,3.6vw,38px);
  font-weight:800;
  line-height:1.24;
  max-width:660px;
  margin-top:14px;
}
.cta-text{
  color:rgba(255,255,255,.78);
  font-size:15.5px;
  max-width:620px;
  margin:14px 0 6px;
}
.cta-actions{
  display:flex;
  flex-wrap:wrap;
  gap:12px;
  margin-top:22px;
}

/* Footer */
.site-footer{
  background:var(--primary-deep);
  color:rgba(255,255,255,.72);
  padding-top:80px;
  margin-top:100px;
}
.site-footer .container{
  max-width:1200px;
}
.footer-brand{
  color:#fff;
  font-size:22px;
  font-weight:800;
  display:flex;
  align-items:center;
  gap:10px;
  margin-bottom:16px;
}
.footer-brand span{color:#fff}
.footer-brand .brand-mark{background:#fff;color:var(--primary-deep)}
.footer-about{
  color:rgba(255,255,255,.62);
  font-size:14px;
  line-height:1.85;
  max-width:360px;
  margin-bottom:22px;
}
.footer-title{
  color:#fff;
  font-size:16px;
  font-weight:700;
  margin-bottom:16px;
}
.footer-link-list li{
  margin-bottom:10px;
  line-height:1.5;
}
.footer-link-list a{
  color:rgba(255,255,255,.68);
  transition:color .2s,padding-left .2s;
}
.footer-link-list a:hover{
  color:var(--decor-gold);
  padding-left:4px;
}
.footer-contact{
  background:rgba(255,255,255,.06);
  border:1px solid rgba(255,255,255,.12);
  border-radius:14px;
  padding:20px;
  margin-bottom:16px;
}
.footer-contact p{
  margin:0;
  color:rgba(255,255,255,.7);
  font-size:13.5px;
}
.footer-contact strong{
  color:#fff;
  display:inline-block;
  margin-bottom:8px;
}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.14);
  padding:30px 0 90px;
  margin-top:54px;
  display:flex;
  flex-wrap:wrap;
  justify-content:space-between;
  align-items:center;
  gap:12px;
  font-size:13px;
  color:rgba(255,255,255,.55);
}
.footer-bottom-links{
  display:flex;
  flex-wrap:wrap;
  gap:16px;
}
.footer-bottom-links a{
  color:rgba(255,255,255,.55);
}
.footer-bottom-links a:hover{color:#fff}

/* Responsive */
@media (max-width:991.98px){
  .site-header{
    height:64px;
  }
  .header-inner{
    min-height:64px;
  }
  .brand-text{
    font-size:18px;
  }
  .site-nav,.header-cta{
    display:none;
  }
  .mobile-tabs{
    display:flex;
  }
  body{
    padding-bottom:calc(72px + env(safe-area-inset-bottom));
  }
  .scenario-intro{
    position:relative;
    top:auto;
  }
  .hero-title{
    max-width:none;
  }
  .hero-media{
    margin-left:0;
    max-width:620px;
  }
  .section-head{
    flex-direction:column;
    gap:8px;
  }
  .section-head-desc{
    align-self:flex-start;
    max-width:none;
    margin-top:4px;
  }
  .footer-bottom{
    padding-bottom:110px;
  }
  .case-main{
    min-height:380px;
  }
  .case-mini{
    grid-template-columns:1fr;
    padding:16px;
  }
  .case-mini-photo{
    width:100%;
    height:120px;
  }
  .plan-card--featured{
    transform:none;
  }
  .plan-card--featured:hover{
    transform:translateY(-4px);
  }
  .plan-card--featured .recommend-badge{
    position:absolute;
    left:50%;
    transform:translateX(-50%);
  }
  .news-feature-link{
    grid-template-columns:120px minmax(0,1fr);
    gap:14px;
  }
  .news-thumb{
    height:96px;
  }
  .news-title{
    white-space:normal;
    overflow:visible;
    display:-webkit-box;
    -webkit-line-clamp:2;
    -webkit-box-orient:vertical;
  }
  .news-summary{
    white-space:normal;
  }
}

@media(max-width:767.98px){
  .container{
    padding-left:18px;
    padding-right:18px;
  }
  .hero{
    padding-top:54px;
  }
  .hero-stat-grid{
    grid-template-columns:repeat(3,minmax(0,1fr));
    gap:10px;
  }
  .hero-stat strong{
    font-size:22px;
  }
  .hero-stat span{
    letter-spacing:0;
    font-size:11px;
  }
  .feature-card{
    padding:24px;
  }
  .feature-photo{
    height:170px;
  }
  .feature-tick-list{
    columns:1;
  }
  .scenario-item{
    grid-template-columns:54px 1fr;
    gap:12px;
  }
  .scenario-num{
    font-size:24px;
  }
  .case-mini{
    grid-template-columns:110px 1fr;
    padding:14px;
  }
  .case-mini-photo{
    width:100%;
    height:110px;
  }
  .case-pill-row{
    align-items:flex-start;
    flex-direction:column;
  }
  .news-feature-link{
    grid-template-columns:96px minmax(0,1fr);
  }
  .news-thumb{
    height:88px;
  }
  .footer-bottom{
    flex-direction:column;
    align-items:flex-start;
  }
}

@media(max-width:520px){
  .viewport{
    min-width:0;
  }
  .nav-mobile-fix{
    min-width:0;
    width:100%;
  }
  .hero-actions .btn{
    flex:1 1 44%;
  }
  .hero-actions .btn-ghost{
    flex-basis:100%;
  }
  .brand-mark{
    width:32px;
    height:32px;
  }
  .brand-text{
    font-size:16px;
  }
  .news-title{
    font-size:15px;
  }
  .news-summary{
    font-size:12px;
  }
  .news-date{
    font-size:11px;
  }
  .news-feature-link{
    grid-template-columns:82px minmax(0,1fr);
    gap:10px;
    padding:10px;
  }
  .news-thumb{
    height:80px;
  }
  .cta-block{
    padding:34px 22px;
  }
  .cta-actions .btn{
    width:100%;
  }
}

/* roulang page: article */
:root {
  --primary: #154254;
  --primary-deep: #0B2C3A;
  --accent: #E75B31;
  --accent-hover: #C94522;
  --decor-gold: #F3C364;
  --bg-warm: #F5F4EE;
  --surface: #FFFFFF;
  --border: #D9E0E3;
  --text-strong: #1A252C;
  --text-body: #384952;
  --text-muted: #6A7B85;
  --radius-lg: 20px;
  --radius-md: 14px;
  --radius-sm: 8px;
  --shadow-sm: 0 2px 8px rgba(10, 40, 52, .06);
  --shadow-hv: 0 18px 40px rgba(10, 40, 52, .10);
}

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

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

body {
  margin: 0;
  min-height: 100vh;
  background: #FFFFFF;
  font-family: "PingFang SC", "Microsoft YaHei", "Noto Sans CJK SC", -apple-system, BlinkMacSystemFont, sans-serif;
  font-size: 16px;
  line-height: 1.75;
  color: var(--text-body);
}

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

a {
  text-decoration: none;
  color: inherit;
  transition: color .2s ease, background .2s ease, transform .2s ease, box-shadow .2s ease;
}

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

p {
  margin: 0;
}

h1,
h2,
h3,
h4,
h5,
h6 {
  margin: 0 0 .5em;
  line-height: 1.35;
  color: var(--text-strong);
  font-weight: 700;
}

ul,
ol {
  margin: 0;
  padding: 0;
}

html,
body {
  overflow-x: hidden;
}

@media (max-width: 991.98px) {
  body {
    padding-bottom: calc(72px + env(safe-area-inset-bottom));
  }
}

.container {
  max-width: 1200px;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-weight: 600;
  font-size: 15px;
  line-height: 1;
  padding: 12px 24px;
  border-radius: var(--radius-sm);
  border: 1px solid transparent;
  transition: all .2s ease;
}

.btn:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
  box-shadow: 0 0 0 4px rgba(231, 91, 49, .16);
}

.btn-main {
  background: var(--accent);
  color: #FFF;
  box-shadow: 0 6px 16px rgba(231, 91, 49, .20);
}

.btn-main:hover {
  background: var(--accent-hover);
  color: #FFF;
  transform: translateY(-2px);
  box-shadow: 0 12px 24px rgba(231, 91, 49, .26);
}

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

.btn-outline-light {
  border-color: rgba(255, 255, 255, .72);
  color: #fff;
}

.btn-outline-light:hover {
  background: #FFFFFF;
  color: var(--primary-deep);
}

.btn-outline-green {
  border-color: var(--primary);
  color: var(--primary);
}

.btn-outline-green:hover {
  background: rgba(21, 66, 84, .06);
  color: var(--primary);
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: rgba(255, 255, 255, .96);
  border-bottom: 1px solid rgba(217, 224, 227, .72);
  box-shadow: 0 6px 20px rgba(21, 66, 84, .04);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 72px;
}

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

.brand-mark {
  display: inline-flex;
  line-height: 0;
}

.brand-text {
  font-size: 1.18rem;
  font-weight: 800;
  letter-spacing: .01em;
  color: var(--primary-deep);
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 2px;
  margin-left: auto;
}

.nav-item {
  position: relative;
  display: inline-flex;
  align-items: center;
  padding: 10px 16px;
  font-weight: 600;
  font-size: 15px;
  color: var(--text-body);
  border-radius: 8px;
  white-space: nowrap;
}

.nav-item:after {
  content: "";
  position: absolute;
  left: 16px;
  right: 16px;
  bottom: 4px;
  height: 2px;
  background: transparent;
  border-radius: 4px;
  transition: background .2s ease;
}

.nav-item:hover {
  color: var(--primary);
  background: var(--bg-warm);
}

.nav-item.active {
  color: var(--primary);
}

.nav-item.active:after {
  background: var(--accent);
}

.header-cta {
  margin-left: 22px;
}

@media (max-width: 991.98px) {
  .site-nav {
    display: none;
  }

  .header-cta {
    display: none;
  }
}

.mobile-tabbar {
  position: fixed;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 2000;
  display: none;
  background: #FFFFFF;
  border-top: 1px solid var(--border);
  padding-bottom: env(safe-area-inset-bottom);
  min-height: 58px;
  box-shadow: 0 -6px 24px rgba(21, 66, 84, .06);
}

@media (max-width: 991.98px) {
  .mobile-tabbar {
    display: flex;
  }
}

.mobile-tabbar-inner {
  display: flex;
  align-items: stretch;
  width: 100%;
  min-height: 58px;
}

.tab-item {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 3px;
  padding: 6px 0 4px;
  color: var(--text-muted);
  font-size: 11px;
  font-weight: 600;
}

.tab-item svg {
  width: 22px;
  height: 22px;
  display: block;
  opacity: .72;
}

.tab-item.active {
  color: var(--accent);
  font-weight: 800;
}

.tab-item.active svg {
  opacity: 1;
}

.tab-item:hover {
  color: var(--accent);
}

.site-footer {
  background: var(--primary-deep);
  color: rgba(255, 255, 255, .78);
  padding: 72px 0 30px;
}

.site-footer a {
  color: rgba(255, 255, 255, .70);
}

.site-footer a:hover {
  color: var(--accent);
}

.footer-brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 18px;
  color: #FFFFFF;
  font-size: 1.28rem;
  font-weight: 800;
}

.footer-about {
  max-width: 440px;
  font-size: 15px;
  line-height: 1.85;
  color: rgba(255, 255, 255, .64);
  margin-bottom: 20px;
}

.footer-title {
  color: #FFFFFF;
  font-size: 16px;
  font-weight: 700;
  margin-bottom: 18px;
  letter-spacing: .04em;
}

.footer-link-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 10px;
  font-size: 14px;
}

.footer-contact {
  background: rgba(255, 255, 255, .06);
  border-radius: 12px;
  padding: 12px 14px;
  margin-bottom: 14px;
}

.footer-contact strong {
  display: block;
  color: rgba(255, 255, 255, .9);
  font-size: 14px;
  margin-bottom: 4px;
}

.footer-contact p {
  margin: 0;
  font-size: 14px;
  color: rgba(255, 255, 255, .72);
  word-break: break-all;
}

.footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
  margin-top: 48px;
  padding-top: 22px;
  border-top: 1px solid rgba(255, 255, 255, .12);
  font-size: 13px;
  color: rgba(255, 255, 255, .50);
}

.footer-bottom-links {
  display: inline-flex;
  gap: 18px;
}

.footer-bottom-links a {
  color: rgba(255, 255, 255, .58);
}

.footer-bottom-links a:hover {
  color: var(--accent);
}

.article-hero {
  background: var(--bg-warm);
  padding: 38px 0 32px;
  position: relative;
}

.article-hero:before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  opacity: .34;
  background-image: url('/assets/images/backpic/back-3.webp');
  background-size: cover;
  background-position: center;
}

.article-hero:after {
  content: "";
  position: absolute;
  inset: 0;
  background: rgba(255, 255, 255, .86);
  -webkit-backdrop-filter: blur(1px);
  backdrop-filter: blur(1px);
}

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

.breadcrumb-bar {
  font-size: 13px;
  color: var(--text-muted);
  margin-bottom: 24px;
  letter-spacing: .02em;
}

.breadcrumb-bar a {
  color: var(--text-body);
}

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

.breadcrumb-bar .crumb-divider {
  margin: 0 8px;
  opacity: .5;
  color: var(--text-muted);
}

.post-title-wrap {
  max-width: 880px;
  margin: 0 auto;
  text-align: center;
}

.category-badge {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  background: rgba(21, 66, 84, .10);
  color: var(--primary);
  font-size: 13px;
  font-weight: 700;
  padding: 6px 14px;
  border-radius: 999px;
  margin-bottom: 18px;
  letter-spacing: .04em;
}

.post-title {
  font-size: calc(30px + .9vw);
  line-height: 1.25;
  font-weight: 800;
  color: var(--primary-deep);
  margin-bottom: 18px;
  letter-spacing: .01em;
}

.post-meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: 12px;
  font-size: 14px;
  color: var(--text-muted);
}

.meta-pill {
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.meta-pill svg {
  width: 16px;
  height: 16px;
  opacity: .75;
}

.blog-detail {
  background: var(--bg-warm);
  padding-bottom: 24px;
}

.post-main-content {
  padding: 40px 0 56px;
}

.post-body {
  max-width: 820px;
  margin: 0 auto;
  background: #FFFFFF;
  padding: 48px 56px;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  border: 1px solid rgba(217, 224, 227, .45);
}

.post-body p {
  font-size: 17px;
  line-height: 1.85;
  margin: 0 0 1.2em;
  color: var(--text-body);
}

.post-body h2 {
  font-size: 26px;
  margin: 2rem 0 .8rem;
  color: var(--primary-deep);
}

.post-body h3 {
  font-size: 22px;
  margin: 1.8rem 0 .72rem;
  color: var(--primary-deep);
}

.post-body h4 {
  font-size: 18px;
  margin: 1.5rem 0 .6rem;
  color: var(--primary);
}

.post-body ul,
.post-body ol {
  margin: 0 0 1.2em;
  padding-left: 1.4em;
}

.post-body ul li,
.post-body ol li {
  margin-bottom: .5em;
  line-height: 1.85;
}

.post-body a {
  color: var(--accent);
  border-bottom: 1px solid rgba(231, 91, 49, .32);
}

.post-body a:hover {
  color: var(--accent-hover);
  border-bottom-color: var(--accent);
}

.post-body blockquote {
  margin: 0 0 1.4em;
  padding: 16px 20px;
  background: var(--bg-warm);
  border-left: 4px solid var(--accent);
  border-radius: 0 12px 12px 0;
  color: var(--text-strong);
  font-size: 16px;
}

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

.post-body img {
  border-radius: var(--radius-md);
  margin: 1.2em 0;
}

.post-body table {
  width: 100%;
  margin: 1.2em 0;
  border-collapse: separate;
  border-spacing: 0;
  border: 1px solid var(--border);
  border-radius: 10px;
  overflow: hidden;
  font-size: 15px;
}

.post-body table th {
  background: var(--bg-warm);
  color: var(--primary-deep);
  text-align: left;
  padding: 12px 14px;
  border-bottom: 1px solid var(--border);
  font-weight: 700;
}

.post-body table td {
  padding: 12px 14px;
  border-bottom: 1px solid var(--border);
}

.post-body table tr:last-child td {
  border-bottom: none;
}

.post-body hr {
  margin: 2em 0;
  border: 0;
  border-top: 1px solid var(--border);
  opacity: .7;
}

.post-body code {
  background: var(--bg-warm);
  padding: .15em .45em;
  border-radius: 6px;
  font-size: .9em;
  color: var(--accent);
}

.post-toolbar {
  max-width: 820px;
  margin: 28px auto 0;
  display: flex;
  flex-wrap: wrap;
  gap: 24px;
  align-items: center;
  justify-content: space-between;
}

.tag-line {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  font-size: 14px;
}

.tag-line strong {
  color: var(--text-strong);
  font-weight: 600;
  margin-right: 4px;
}

.tag-pill {
  background: rgba(21, 66, 84, .08);
  color: var(--primary);
  font-size: 13px;
  font-weight: 600;
  padding: 5px 13px;
  border-radius: 999px;
  transition: all .2s ease;
}

.tag-pill:hover {
  background: var(--accent);
  color: #FFFFFF;
  transform: translateY(-1px);
  box-shadow: 0 8px 20px rgba(231, 91, 49, .24);
}

.back-category-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-weight: 600;
  font-size: 15px;
  color: var(--primary);
}

.back-category-link svg {
  width: 18px;
  height: 18px;
  transition: transform .2s ease;
}

.back-category-link:hover svg {
  transform: translateX(-4px);
}

.post-nav-row {
  max-width: 820px;
  margin: 24px auto 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 18px 0;
  border-top: 1px dashed var(--border);
  border-bottom: 1px dashed var(--border);
}

.post-nav-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 15px;
  color: var(--text-body);
  font-weight: 600;
}

.post-nav-btn svg {
  width: 17px;
  height: 17px;
}

.post-nav-btn:hover {
  color: var(--accent);
}

.related-section {
  background: #FFFFFF;
  padding: 72px 0 90px;
}

.related-head {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  gap: 20px;
  flex-wrap: wrap;
  margin-bottom: 36px;
}

.related-eyebrow {
  font-size: 13px;
  font-weight: 700;
  letter-spacing: .08em;
  color: var(--accent);
  text-transform: uppercase;
  display: block;
  margin-bottom: 8px;
}

.section-title {
  font-size: calc(24px + .8vw);
  font-weight: 800;
  color: var(--primary-deep);
  margin: 0;
}

.related-link {
  font-size: 15px;
  font-weight: 600;
  color: var(--primary);
  white-space: nowrap;
}

.related-link:hover {
  color: var(--accent);
}

.related-card {
  display: flex;
  gap: 16px;
  align-items: center;
  height: 100%;
  padding: 14px;
  background: #FFFFFF;
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  transition: transform .22s ease, box-shadow .22s ease;
}

.related-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-hv);
}

.related-thumb {
  width: 118px;
  min-width: 118px;
  height: 92px;
  border-radius: 10px;
  overflow: hidden;
  background: var(--bg-warm);
}

.related-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.related-info {
  min-width: 0;
}

.related-info .card-type {
  font-size: 12px;
  font-weight: 700;
  color: var(--accent);
  letter-spacing: .04em;
  margin-bottom: 6px;
  display: inline-block;
}

.related-info h3 {
  font-size: 17px;
  font-weight: 700;
  line-height: 1.45;
  color: var(--text-strong);
  margin-bottom: 6px;
}

.related-info h3 a {
  color: inherit;
}

.related-info h3 a:hover {
  color: var(--accent);
}

.related-info p {
  font-size: 13px;
  color: var(--text-muted);
  line-height: 1.55;
  margin: 0;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

@media (max-width: 767.98px) {
  .related-card {
    padding: 14px;
    gap: 14px;
  }

  .related-thumb {
    width: 100px;
    min-width: 100px;
    height: 80px;
  }
}

@media (max-width: 575.98px) {
  .post-body {
    padding: 28px 22px;
  }

  .article-hero {
    padding: 28px 0 24px;
  }

  .post-main-content {
    padding: 24px 0 40px;
  }

  .related-section {
    padding: 48px 0 60px;
  }

  .related-head {
    margin-bottom: 24px;
  }

  .related-card {
    flex-direction: column;
    align-items: flex-start;
  }

  .related-thumb {
    width: 100%;
    height: 150px;
  }
}

.notfound-section {
  background: var(--bg-warm);
  padding: 80px 0 100px;
  min-height: 60vh;
}

.notfound-block {
  max-width: 680px;
  margin: 0 auto;
  text-align: center;
  background: #FFFFFF;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 56px 32px;
  box-shadow: var(--shadow-sm);
}

.notfound-icon {
  width: 72px;
  height: 72px;
  background: rgba(21, 66, 84, .08);
  border-radius: 50%;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 20px;
}

.notfound-icon svg {
  width: 34px;
  height: 34px;
  opacity: .55;
}

.notfound-block h1 {
  font-size: 30px;
  color: var(--primary-deep);
  margin-bottom: 14px;
}

.notfound-block p {
  color: var(--text-muted);
  font-size: 16px;
  line-height: 1.8;
  margin-bottom: 30px;
}

/* roulang page: category1 */
:root {
  --primary: #154254;
  --primary-deep: #0B2C3A;
  --accent: #E75B31;
  --accent-hover: #C94522;
  --decor-gold: #F3C364;
  --bg-warm: #F5F4EE;
  --surface: #FFFFFF;
  --border: #D9E0E3;
  --text-strong: #1A252C;
  --text-body: #384952;
  --text-muted: #6A7B85;
  --radius-card: 18px;
  --radius-btn: 8px;
  --shadow-card: 0 2px 8px rgba(10,40,52,.06);
  --shadow-card-hover: 0 18px 40px rgba(10,40,52,.10);
  --gutter: clamp(60px, 8vw, 112px);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--bg-warm);
  color: var(--text-body);
  font-family: "PingFang SC", "Microsoft YaHei", "Noto Sans CJK SC", "Helvetica Neue", Arial, sans-serif;
  font-size: 16.5px;
  line-height: 1.75;
  padding-bottom: 0;
}

body::after {
  content: "";
  display: block;
  height: 72px;
  background: var(--bg-warm);
}

@media (min-width: 992px) {
  body::after {
    display: none;
  }
}

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

a {
  color: inherit;
  text-decoration: none;
  transition: color .2s ease, border-color .2s ease, background .2s ease;
}

button {
  font-family: inherit;
}

.container,
.container-lg,
.container-md,
.container-sm {
  max-width: 1200px;
}

.row {
  --bs-gutter-x: 1.25rem;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 1040;
  background: rgba(255, 255, 255, .96);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid rgba(13, 37, 46, .08);
  min-height: 76px;
  transition: box-shadow .25s ease, background .25s ease;
}

.site-header.scrolled {
  box-shadow: 0 6px 24px rgba(11, 44, 58, .08);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: flex-start;
  gap: 36px;
  min-height: 76px;
}

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

.brand-mark {
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

.brand-text {
  font-size: 20px;
  font-weight: 700;
  color: var(--text-strong);
  letter-spacing: .02em;
  white-space: nowrap;
}

.site-nav {
  display: none;
  align-items: center;
  gap: 8px;
  margin-left: auto;
}

.nav-item {
  position: relative;
  display: inline-block;
  padding: 8px 14px;
  font-size: 15px;
  font-weight: 500;
  color: var(--text-body);
  border-radius: 8px;
}

.nav-item::after {
  content: "";
  position: absolute;
  left: 14px;
  right: 14px;
  bottom: 2px;
  height: 2px;
  border-radius: 2px;
  background: var(--accent);
  transform: scaleX(0);
  transform-origin: left center;
  transition: transform .22s ease;
}

.nav-item:hover {
  color: var(--primary);
  background: var(--bg-warm);
}

.nav-item.active {
  color: var(--primary);
  font-weight: 700;
}

.nav-item.active::after {
  transform: scaleX(1);
}

.header-cta {
  display: none;
}

@media (min-width: 992px) {
  .site-nav {
    display: flex;
  }
  .header-cta {
    display: inline-flex;
    margin-left: 8px;
  }
  .brand-text {
    font-size: 21px;
  }
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  border-radius: var(--radius-btn);
  padding: 11px 22px;
  font-size: 15px;
  font-weight: 600;
  border: 1px solid transparent;
  transition: all .22s ease;
  line-height: 1.4;
}

.btn-main {
  background: var(--accent);
  border-color: var(--accent);
  color: #fff;
  box-shadow: 0 8px 20px rgba(231, 91, 49, .20);
}

.btn-main:hover,
.btn-main:focus {
  background: var(--accent-hover);
  border-color: var(--accent-hover);
  color: #fff;
  transform: translateY(-2px);
  box-shadow: 0 10px 26px rgba(231, 91, 49, .28);
}

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

.btn-outline-deep {
  background: transparent;
  border: 1px solid var(--primary);
  color: var(--primary);
}

.btn-outline-deep:hover,
.btn-outline-deep:focus {
  background: rgba(21, 66, 84, .08);
  color: var(--primary);
  border-color: var(--primary);
}

.btn-light {
  background: #fff;
  color: var(--primary-deep);
  border-color: #fff;
  box-shadow: 0 6px 20px rgba(0, 0, 0, .1);
}

.btn-light:hover,
.btn-light:focus {
  background: rgba(255, 255, 255, .88);
  color: var(--primary);
  transform: translateY(-2px);
}

.btn-outline-light {
  background: transparent;
  color: #fff;
  border-color: rgba(255, 255, 255, .85);
}

.btn-outline-light:hover,
.btn-outline-light:focus {
  background: rgba(255, 255, 255, .14);
  border-color: #fff;
  color: #fff;
  transform: translateY(-2px);
}

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

.page-hero {
  position: relative;
  min-height: 380px;
  display: flex;
  align-items: center;
  background-color: var(--primary-deep);
  overflow: hidden;
  padding: 80px 0 60px;
}

.page-hero-bg {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center center;
  opacity: .45;
  transform: scale(1.02);
}

.page-hero-shade {
  position: absolute;
  inset: 0;
  background: linear-gradient(100deg, rgba(11,44,58,.96) 18%, rgba(11,44,58,.72) 58%, rgba(11,44,58,.32) 100%);
}

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

.crumbs {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  color: rgba(255, 255, 255, .65);
  margin-bottom: 18px;
}

.crumbs a {
  color: rgba(255, 255, 255, .78);
}

.crumbs a:hover {
  color: var(--decor-gold);
}

.crumbs span {
  color: rgba(255, 255, 255, .4);
}

.page-hero h1 {
  font-size: clamp(34px, 5vw, 48px);
  line-height: 1.2;
  color: #fff;
  font-weight: 800;
  margin: 0 0 10px;
}

.hero-lead {
  font-size: 18px;
  line-height: 1.75;
  color: rgba(255, 255, 255, .86);
  max-width: 620px;
  margin: 0 0 30px;
}

.page-hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
}

.section {
  padding: clamp(60px, 8vw, 112px) 0;
}

.section-head {
  max-width: 780px;
  margin-bottom: clamp(32px, 5vw, 56px);
}

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

.tag {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(21, 66, 84, .08);
  color: var(--primary);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: .08em;
  padding: 5px 13px;
  border-radius: 999px;
  margin-bottom: 14px;
}

.tag::before {
  content: "";
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--accent);
}

.tag-dark {
  background: rgba(21, 66, 84, .2);
  color: var(--primary);
}

.section-head .subtitle {
  display: block;
  font-size: 13px;
  letter-spacing: .14em;
  font-weight: 700;
  color: var(--accent);
  margin-bottom: 10px;
}

.section-head h2 {
  font-size: clamp(28px, 3.6vw, 36px);
  line-height: 1.25;
  color: var(--text-strong);
  font-weight: 700;
  margin: 0 0 14px;
}

.section-head p {
  font-size: 17px;
  color: var(--text-muted);
  line-height: 1.8;
  margin: 0;
}

.overview-section {
  background: var(--bg-warm);
}

.overview-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(0, .9fr);
  gap: 56px;
  align-items: center;
}

.overview-copy h2 {
  font-size: clamp(26px, 3vw, 34px);
  color: var(--text-strong);
  font-weight: 700;
  line-height: 1.3;
  margin: 0 0 18px;
}

.overview-copy p {
  color: var(--text-body);
  line-height: 1.85;
  margin-bottom: 16px;
}

.dot-list {
  list-style: none;
  margin: 24px 0 0;
  padding: 0;
}

.dot-list li {
  position: relative;
  padding-left: 24px;
  margin-bottom: 10px;
  color: var(--text-body);
}

.dot-list li::before {
  content: "";
  position: absolute;
  left: 2px;
  top: 12px;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--accent);
}

.overview-media {
  position: relative;
}

.overview-media .img-wrap {
  border-radius: var(--radius-card);
  overflow: hidden;
  box-shadow: var(--shadow-card-hover);
}

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

.overview-note {
  position: absolute;
  left: 18px;
  right: 18px;
  bottom: 18px;
  z-index: 3;
  background: rgba(11, 44, 58, .94);
  border-radius: 14px;
  color: #fff;
  padding: 16px 18px;
}

.overview-note span {
  display: block;
  font-size: 12px;
  letter-spacing: .06em;
  color: var(--decor-gold);
  margin-bottom: 2px;
}

.overview-note strong {
  display: block;
  font-size: 16px;
  font-weight: 600;
  color: #fff;
}

.stat-strip {
  background: var(--primary-deep);
  padding: 42px 0;
}

.stat-strip ul {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 40px;
}

.stat-strip li {
  text-align: center;
  color: rgba(255, 255, 255, .8);
  padding: 8px 12px;
}

.stat-strip strong {
  display: block;
  font-size: clamp(30px, 4vw, 44px);
  line-height: 1.2;
  font-weight: 700;
  color: var(--decor-gold);
  margin-bottom: 8px;
}

.stat-strip span {
  font-size: 14px;
  color: rgba(255, 255, 255, .72);
  letter-spacing: .02em;
}

.service-section {
  background: var(--surface);
}

.feature-row {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  gap: 52px;
  align-items: center;
  padding: 36px 0;
  border-bottom: 1px solid var(--border);
}

.feature-row:first-child {
  padding-top: 8px;
}

.feature-row:last-child {
  border-bottom: none;
  padding-bottom: 8px;
}

.feature-row.reverse .feature-visual {
  order: 2;
}

.feature-visual {
  position: relative;
  border-radius: var(--radius-card);
  overflow: hidden;
  box-shadow: var(--shadow-card);
}

.feature-visual img {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  transition: transform .6s ease;
}

.feature-row:hover .feature-visual img {
  transform: scale(1.02);
}

.feature-content .tag {
  margin-bottom: 12px;
}

.feature-content h3 {
  font-size: 24px;
  color: var(--text-strong);
  font-weight: 700;
  line-height: 1.3;
  margin: 0 0 14px;
}

.feature-content p {
  font-size: 16px;
  line-height: 1.8;
  color: var(--text-body);
  margin: 0 0 18px;
}

.feature-list {
  list-style: none;
  padding: 0;
  margin: 0;
}

.feature-list li {
  position: relative;
  padding-left: 22px;
  color: var(--text-body);
  font-size: 15px;
  margin-top: 8px;
}

.feature-list li::before {
  content: "";
  position: absolute;
  left: 2px;
  top: 10px;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--accent);
}

.scene-section {
  background: #EFF1EC;
}

.scene-list {
  display: grid;
  border-top: 1px solid rgba(21, 66, 84, .16);
}

.scene-item {
  display: grid;
  grid-template-columns: 90px 1fr 240px;
  gap: 28px;
  padding: 32px 10px;
  border-bottom: 1px solid rgba(21, 66, 84, .16);
  transition: transform .25s ease, padding-left .25s ease;
}

.scene-item:hover {
  transform: translateX(6px);
  padding-left: 20px;
}

.scene-no {
  font-size: 40px;
  line-height: 1;
  font-weight: 700;
  color: var(--primary);
  opacity: .35;
  font-family: Arial, sans-serif;
}

.scene-item h3 {
  font-size: 21px;
  color: var(--text-strong);
  font-weight: 700;
  margin: 0 0 8px;
}

.scene-item p {
  font-size: 15.5px;
  color: var(--text-body);
  line-height: 1.8;
  margin: 0;
}

.scene-tags {
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: flex-start;
  gap: 6px;
}

.mini-tag {
  display: inline-flex;
  padding: 4px 12px;
  border-radius: 999px;
  background: rgba(21, 66, 84, .1);
  color: var(--primary);
  font-size: 13px;
  font-weight: 500;
}

.process-section {
  background: var(--surface);
}

.process-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 22px;
}

.process-step {
  background: var(--bg-warm);
  border: 1px solid transparent;
  border-radius: var(--radius-card);
  padding: 24px 22px;
  position: relative;
  transition: background .25s ease, transform .25s ease, box-shadow .25s ease;
}

.process-step:hover {
  transform: translateY(-4px);
  background: var(--surface);
  box-shadow: var(--shadow-card);
  border-color: var(--border);
}

.process-step .step-num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 34px;
  height: 34px;
  background: var(--accent);
  color: #fff;
  border-radius: 50%;
  font-size: 14px;
  font-weight: 700;
  margin-bottom: 18px;
}

.process-step h3 {
  font-size: 18px;
  font-weight: 700;
  color: var(--text-strong);
  margin: 0 0 10px;
}

.process-step p {
  font-size: 14.5px;
  color: var(--text-muted);
  line-height: 1.7;
  margin: 0;
}

.faq-section {
  background: var(--bg-warm);
}

.accordion {
  max-width: 860px;
  margin: 0 auto;
}

.accordion-item {
  background: var(--surface);
  border: 1px solid var(--border) !important;
  border-radius: 14px !important;
  margin-bottom: 12px;
  overflow: hidden;
}

.accordion-button {
  font-size: 16px;
  font-weight: 600;
  color: var(--text-strong);
  background: var(--surface);
  padding: 20px 24px;
  box-shadow: none;
}

.accordion-button:not(.collapsed) {
  color: var(--primary);
  background: rgba(21, 66, 84, .05);
}

.accordion-button:focus {
  box-shadow: none;
}

.accordion-button::after {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23154254' stroke-width='2.2' stroke-linecap='round'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E");
  background-size: 18px;
  transition: transform .3s ease;
}

.accordion-button:not(.collapsed)::after {
  transform: rotate(180deg);
}

.accordion-body {
  padding: 6px 24px 20px;
  font-size: 15.5px;
  color: var(--text-body);
  line-height: 1.8;
  border-top: 0;
}

.cta-section {
  background: var(--primary-deep);
  position: relative;
  overflow: hidden;
}

.cta-box {
  position: relative;
  z-index: 2;
  text-align: center;
  max-width: 820px;
  margin: 0 auto;
  padding: 20px 0;
}

.cta-box h2 {
  color: #fff;
  font-size: clamp(26px, 3.4vw, 36px);
  font-weight: 700;
  margin: 0 0 14px;
}

.cta-box p {
  color: rgba(255, 255, 255, .78);
  font-size: 17px;
  line-height: 1.8;
  margin: 0 0 30px;
}

.cta-actions {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 14px;
}

.more-section {
  background: var(--surface);
}

.more-head {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 20px;
  flex-wrap: wrap;
  margin-bottom: 32px;
}

.more-head h2 {
  font-size: 28px;
  font-weight: 700;
  color: var(--text-strong);
  margin: 0;
}

.more-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.mini-card {
  display: flex;
  gap: 16px;
  align-items: center;
  background: var(--bg-warm);
  border-radius: 16px;
  padding: 16px;
  border: 1px solid transparent;
  transition: all .25s ease;
}

.mini-card:hover {
  background: var(--surface);
  border-color: var(--border);
  box-shadow: var(--shadow-card);
  transform: translateY(-3px);
}

.mini-card .thumb {
  width: 88px;
  height: 72px;
  flex-shrink: 0;
  overflow: hidden;
  border-radius: 10px;
  object-fit: cover;
}

.mini-card img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.mini-card h3 {
  font-size: 16px;
  color: var(--text-strong);
  font-weight: 700;
  margin: 0 0 6px;
}

.mini-card p {
  font-size: 13px;
  color: var(--text-muted);
  line-height: 1.6;
  margin: 0;
}

.site-footer {
  background: var(--primary-deep);
  color: rgba(255, 255, 255, .8);
  padding: 64px 0 30px;
}

.site-footer .footer-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 20px;
  font-weight: 700;
  color: #fff;
  margin-bottom: 16px;
}

.footer-about {
  max-width: 340px;
  font-size: 14px;
  line-height: 1.8;
  color: rgba(255, 255, 255, .62);
  margin-top: 12px;
}

.site-footer .footer-title {
  color: #fff;
  font-size: 15px;
  font-weight: 600;
  margin-bottom: 14px;
  letter-spacing: .05em;
}

.footer-link-list {
  list-style: none;
  padding: 0;
  margin: 0;
}

.footer-link-list li {
  margin-bottom: 8px;
}

.footer-link-list a {
  font-size: 14px;
  color: rgba(255, 255, 255, .72);
  transition: color .2s ease;
}

.footer-link-list a:hover {
  color: var(--accent);
}

.footer-contact {
  background: rgba(255, 255, 255, .06);
  border-radius: 12px;
  padding: 14px 16px;
  margin: 12px 0 18px;
}

.footer-contact strong {
  display: block;
  color: var(--decor-gold);
  font-size: 13px;
  margin-bottom: 4px;
}

.footer-contact p {
  margin: 0;
  color: rgba(255, 255, 255, .8);
  font-size: 14px;
  word-break: break-all;
}

.footer-bottom {
  margin-top: 42px;
  padding-top: 20px;
  border-top: 1px solid rgba(255, 255, 255, .12);
  font-size: 13px;
  color: rgba(255, 255, 255, .48);
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 10px;
}

.footer-bottom-links {
  display: flex;
  gap: 18px;
}

.footer-bottom-links a {
  color: rgba(255, 255, 255, .58);
}

.footer-bottom-links a:hover {
  color: var(--accent);
}

.mobile-tabbar {
  position: fixed;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 1060;
  display: flex;
  align-items: stretch;
  background: #fff;
  border-top: 1px solid var(--border);
  height: 58px;
  padding-bottom: env(safe-area-inset-bottom);
}

@media (min-width: 992px) {
  .mobile-tabbar {
    display: none;
  }
}

.tab-item {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 2px;
  color: #8493A0;
  font-size: 11px;
  line-height: 1.2;
  font-weight: 500;
}

.tab-item svg {
  width: 20px;
  height: 20px;
  display: block;
}

.tab-item.active {
  color: var(--accent);
  font-weight: 700;
}

.tab-item span {
  font-size: 11px;
  line-height: 1;
  white-space: nowrap;
}

.tab-item:hover {
  color: var(--accent);
}

@media (max-width: 991.98px) {
  .page-hero {
    min-height: 340px;
  }
  .overview-grid {
    grid-template-columns: 1fr;
    gap: 48px;
  }
  .overview-copy {
    order: 1;
  }
  .overview-media {
    order: 2;
  }
  .feature-row {
    grid-template-columns: 1fr;
    gap: 24px;
  }
  .feature-row .feature-visual {
    order: 2 !important;
  }
  .feature-row .feature-content {
    order: 1;
  }
  .scene-item {
    grid-template-columns: 60px 1fr;
    gap: 16px 24px;
  }
  .scene-tags {
    grid-column: 2;
    flex-direction: row;
    flex-wrap: wrap;
  }
  .process-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .more-grid {
    grid-template-columns: 1fr;
  }
  .mini-card .thumb {
    width: 110px;
    height: 80px;
  }
  .stat-strip ul {
    gap: 20px;
  }
}

@media (max-width: 575.98px) {
  body {
    font-size: 15.5px;
  }
  .site-header {
    min-height: 64px;
  }
  .header-inner {
    min-height: 64px;
    gap: 14px;
  }
  .brand-text {
    font-size: 17px;
  }
  .page-hero {
    min-height: 300px;
    padding: 48px 0 40px;
  }
  .page-hero h1 {
    font-size: 32px;
  }
  .hero-lead {
    font-size: 15.5px;
  }
  .page-hero-actions .btn {
    width: 100%;
    margin-bottom: 4px;
  }
  .section-head p {
    font-size: 15.5px;
  }
  .stat-strip ul {
    grid-template-columns: 1fr;
    gap: 8px;
  }
  .stat-strip li {
    text-align: left;
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 12px 4px;
  }
  .stat-strip strong {
    font-size: 34px;
    margin: 0;
    min-width: 92px;
  }
  .stat-strip span {
    font-size: 14px;
  }
  .scene-item {
    grid-template-columns: 1fr;
    padding: 24px 0;
  }
  .scene-no {
    display: none;
  }
  .scene-tags {
    grid-column: 1;
  }
  .process-grid {
    grid-template-columns: 1fr;
  }
  .cta-actions .btn {
    width: 100%;
  }
  .footer-bottom {
    flex-direction: column;
  }
  .more-head {
    flex-direction: column;
    align-items: flex-start;
  }
  .mini-card {
    flex-direction: column;
    align-items: flex-start;
  }
  .mini-card .thumb {
    width: 100%;
    height: 120px;
  }
}

/* roulang page: category2 */
:root {
  --primary: #154254;
  --primary-deep: #0B2C3A;
  --accent: #E75B31;
  --accent-hover: #C94522;
  --decor-gold: #F3C364;
  --bg-warm: #F5F4EE;
  --surface: #FFFFFF;
  --border: #D9E0E3;
  --text-strong: #1A252C;
  --text-body: #384952;
  --text-muted: #6A7B85;
  --radius-lg: 20px;
  --radius-md: 12px;
  --radius-sm: 8px;
  --shadow-card: 0 2px 8px rgba(10,40,52,.06);
  --shadow-hover: 0 18px 40px rgba(10,40,52,.10);
  --container-w: 1140px;
}
*,*::before,*::after{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{font-family:"PingFang SC","Microsoft YaHei","Noto Sans CJK SC","Helvetica Neue",sans-serif;font-size:16px;line-height:1.75;color:var(--text-body);background:var(--surface);-webkit-font-smoothing:antialiased}
.container{max-width:var(--container-w)}
a{color:var(--primary);text-decoration:none;transition:color .2s ease}
a:hover{color:var(--accent)}
img{max-width:100%;height:auto;display:block}
.btn{border-radius:var(--radius-sm);font-weight:600;padding:.65rem 1.5rem;transition:all .22s ease;border:1px solid transparent;outline:none}
.btn:focus,.btn:focus-visible{box-shadow:0 0 0 .25rem rgba(231,91,49,.2);outline:none}
.btn-main{background:var(--accent);color:#fff;border-color:var(--accent)}
.btn-main:hover{background:var(--accent-hover);color:#fff;transform:translateY(-2px);box-shadow:0 8px 20px rgba(231,91,49,.28)}
.btn-main:active{transform:translateY(0)}
.btn-outline{border-color:var(--primary);color:var(--primary);background:transparent}
.btn-outline:hover{background:rgba(21,66,84,.08);color:var(--primary-deep);transform:translateY(-2px)}
.btn-light-main{background:#fff;color:var(--primary-deep);border-color:#fff}
.btn-light-main:hover{background:var(--decor-gold);color:var(--primary-deep);transform:translateY(-2px)}
.btn-outline-white{border-color:rgba(255,255,255,.75);color:#fff;background:transparent}
.btn-outline-white:hover{background:rgba(255,255,255,.12);color:#fff;transform:translateY(-2px)}
.btn-lg{padding:.9rem 2.2rem;font-size:1.06rem}
.text-sm{font-size:.875rem}
.head-tag{display:inline-flex;align-items:center;gap:6px;background:rgba(21,66,84,.07);color:var(--primary);border:1px solid rgba(21,66,84,.12);border-radius:999px;padding:.3rem 1rem;font-size:.8rem;letter-spacing:.05em;font-weight:600}
.sec-tag{display:inline-block;background:rgba(231,91,49,.1);color:var(--accent);font-size:.78rem;font-weight:600;letter-spacing:.08em;padding:.28rem .9rem;border-radius:999px;margin-bottom:.8rem;border:1px solid rgba(231,91,49,.15)}
.breadcrumb-custom{display:flex;flex-wrap:wrap;align-items:center;gap:.45rem;font-size:.86rem;color:rgba(255,255,255,.72);padding:.9rem 0 0}
.breadcrumb-custom a{color:rgba(255,255,255,.8)}
.breadcrumb-custom a:hover{color:var(--decor-gold)}
.breadcrumb-custom .sep{opacity:.55;font-size:.9rem}
h1,h2,h3,h4,h5{color:var(--text-strong);font-weight:700;letter-spacing:-.01em}

/* Header */
.site-header{position:sticky;top:0;z-index:1050;background:rgba(255,255,255,.95);backdrop-filter:blur(8px);border-bottom:1px solid rgba(217,224,227,.7);height:76px}
.header-inner{display:flex;align-items:center;gap:2rem;height:76px}
.brand{display:flex;align-items:center;gap:.65rem;flex-shrink:0}
.brand-mark{line-height:1;display:inline-flex}
.brand-text{font-size:1.24rem;font-weight:800;color:var(--primary-deep);letter-spacing:.02em;white-space:nowrap}
.site-nav{display:flex;align-items:center;gap:.3rem;margin-left:auto}
.site-nav .nav-item{position:relative;display:inline-block;padding:.5rem .9rem;font-size:.95rem;font-weight:600;color:var(--text-body);border-radius:var(--radius-sm);transition:color .2s,background .2s}
.site-nav .nav-item:hover{color:var(--primary);background:var(--bg-warm)}
.site-nav .nav-item.active{color:var(--accent)}
.site-nav .nav-item.active::after{content:"";position:absolute;left:.9rem;right:.9rem;bottom:0;height:2px;background:var(--accent);border-radius:2px}
.header-cta{margin-left:1.5rem;white-space:nowrap;font-size:.92rem;padding:.55rem 1.2rem}

/* Footer */
.site-footer{background:var(--primary-deep);color:rgba(255,255,255,.8);padding:70px 0 0;margin-top:0}
.footer-brand{display:flex;align-items:center;gap:.65rem;color:#fff;font-size:1.28rem;font-weight:800;margin-bottom:1.1rem}
.footer-about{color:rgba(255,255,255,.58);font-size:.92rem;line-height:1.85;max-width:340px;margin-bottom:1.8rem}
.footer-title{color:#fff;font-size:1.02rem;font-weight:700;margin-bottom:1.2rem;letter-spacing:.03em}
.site-footer ul.footer-link-list{list-style:none;padding-left:0}
.site-footer .footer-link-list li{margin-bottom:.6rem}
.site-footer .footer-link-list a{color:rgba(255,255,255,.62);font-size:.9rem;transition:color .2s,padding-left .2s}
.site-footer .footer-link-list a:hover{color:var(--decor-gold);padding-left:4px}
.footer-contact{background:rgba(255,255,255,.05);border:1px solid rgba(255,255,255,.1);padding:1rem 1.2rem;border-radius:var(--radius-md);font-size:.9rem;margin-bottom:1.2rem;line-height:1.5;color:rgba(255,255,255,.8)}
.footer-contact strong{color:rgba(255,255,255,.92)}
.footer-bottom{border-top:1px solid rgba(255,255,255,.1);padding:1.7rem 0 2.2rem;margin-top:3.2rem;display:flex;flex-wrap:wrap;justify-content:space-between;align-items:center;gap:1rem;color:rgba(255,255,255,.46);font-size:.84rem}
.footer-bottom-links{display:inline-flex;gap:1.4rem}
.footer-bottom-links a{color:rgba(255,255,255,.55);font-size:.84rem;transition:color .2s}
.footer-bottom-links a:hover{color:var(--decor-gold)}

/* Mobile bottom tab */
.mobile-tabbar{display:none;position:fixed;bottom:0;left:0;width:100%;z-index:1500;background:rgba(255,255,255,.97);backdrop-filter:blur(12px);border-top:1px solid var(--border);padding-bottom:env(safe-area-inset-bottom);box-shadow:0 -4px 18px rgba(10,40,52,.06)}
.mobile-tab-inner{display:flex;height:58px;align-items:stretch}
.mob-tab{flex:1;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:3px;color:var(--text-muted);font-size:.7rem;font-weight:600;transition:color .2s;border-radius:6px}
.mob-tab svg{width:19px;height:19px}
.mob-tab.active{color:var(--accent);font-weight:700}
.site-mobile-brand{display:none}
body{padding-bottom:0}
@supports(padding-bottom:env(safe-area-inset-bottom)){body{padding-bottom:0}}

/* Page hero */
.page-hero{position:relative;background:url('/assets/images/backpic/back-2.webp') center/cover no-repeat;background-color:var(--primary-deep);min-height:340px;display:flex;align-items:center;isolation:isolate}
.page-hero::before{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(11,44,58,.94) 0%,rgba(11,44,58,.78) 55%,rgba(11,44,58,.5) 100%);z-index:1}
.page-hero::after{content:"";position:absolute;inset:auto 0 0;height:3px;background:linear-gradient(90deg,var(--accent) 0%,var(--decor-gold) 100%);z-index:2}
.hero-inner{position:relative;z-index:3;width:100%;padding:80px 0 60px}
.page-hero .hero-title{color:#fff;font-size:clamp(2rem,5vw,2.6rem);font-weight:800;line-height:1.25;margin-bottom:1rem;letter-spacing:-.01em}
.page-hero .hero-sub{color:rgba(255,255,255,.8);font-size:1.08rem;max-width:760px;line-height:1.85;margin-bottom:1rem}
.hero-meta{display:flex;flex-wrap:wrap;gap:.6rem 1.6rem;margin-top:1.5rem;align-items:center}
.hero-meta .item{display:flex;align-items:center;gap:8px;color:rgba(255,255,255,.75);font-size:.87rem}
.hero-meta .item svg{flex-shrink:0}
.hero-meta .item strong{color:var(--decor-gold);font-size:1.2rem;font-weight:800;margin-right:2px}

/* Stats strip */
.stats-strip{background:var(--bg-warm);border-bottom:1px solid var(--border);padding:32px 0}
.stats-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:1.5rem}
.stat-cell{display:flex;flex-direction:column;gap:.4rem;padding-right:1.5rem;border-right:1px solid rgba(21,66,84,.12);position:relative}
.stat-cell:last-child{border-right:none;padding-right:0}
.stat-num{font-size:1.9rem;font-weight:800;color:var(--primary);line-height:1.2}
.stat-num span{font-size:1rem;font-weight:600;color:var(--accent);margin-left:2px}
.stat-label{font-size:.9rem;color:var(--text-muted)}

/* Section base */
.section{padding:clamp(60px,8vw,112px) 0}
.section-label{display:inline-flex;align-items:center;gap:8px;color:var(--accent);font-weight:700;font-size:.84rem;letter-spacing:.12em;text-transform:capitalize;margin-bottom:.7rem}
.section-label::before{content:"";width:24px;height:2px;background:var(--accent);display:inline-block;border-radius:2px}
.section-title{font-size:clamp(1.8rem,3.4vw,2.3rem);font-weight:800;color:var(--text-strong);margin-bottom:.8rem}
.section-sub{font-size:1rem;color:var(--text-muted);max-width:700px;line-height:1.85;margin-bottom:2.5rem}

/* Focus section with 3 cards but designed specially */
.focus-grid{display:grid;grid-template-columns:repeat(12,1fr);gap:24px}
.focus-card-green{grid-column:span 4;background:var(--primary);display:block;border-radius:var(--radius-lg);padding:32px;color:#fff;position:relative;overflow:hidden;transition:transform .3s ease,box-shadow .3s ease}
.focus-card-green:hover{transform:translateY(-6px)}
.focus-card-green h3{color:#fff}
.focus-card-green p{color:rgba(255,255,255,.72)}
.focus-card-light{grid-column:span 4;background:var(--bg-warm);display:block;border-radius:var(--radius-lg);padding:32px;border:1px solid var(--border);transition:transform .3s,box-shadow .3s,border-color .3s}
.focus-card-light:hover{transform:translateY(-6px);box-shadow:var(--shadow-hover);border-color:rgba(21,66,84,.2)}
.feature-icon{width:46px;height:46px;border-radius:10px;background:var(--accent);display:flex;align-items:center;justify-content:center}
.feature-list-item{display:flex;gap:12px;align-items:center;color:rgba(255,255,255,.85);font-size:.95rem;width:100%}
.feature-list-item .dot{width:8px;height:8px;background:var(--decor-gold);border-radius:2px;flex-shrink:0}

/* Workflow section alternative width */
.work-wrap{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.work-step{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-lg);padding:36px 26px;text-align:left;position:relative;transition:all .3s ease;box-shadow:var(--shadow-card)}
.work-step:hover{transform:translateY(-5px);box-shadow:var(--shadow-hover)}
.work-num{display:flex;align-items:center;justify-content:center;width:54px;height:54px;background:var(--bg-warm);border-radius:30% 30% 30% 16px;color:var(--primary);font-weight:800;font-size:1.5rem;border:1px solid rgba(21,66,84,.1);margin-bottom:20px}
.work-step:hover .work-num{background:var(--primary);color:var(--decor-gold)}
.work-step h3{font-size:1.14rem;font-weight:700;margin-bottom:.6rem}
.work-step p{font-size:.9rem;color:var(--text-muted);line-height:1.75;margin:0}

/* Mirror layout data */
.mirror-row{display:grid;grid-template-columns:1fr 1fr;gap:70px;align-items:center;margin-top:60px}
.mirror-list{display:flex;justify-content:space-between;align-items:center;min-width:280px}

/* Dark section */
.dark-section{background:var(--primary-deep);color:rgba(255,255,255,.8)}
.light-heading{color:var(--decor-gold);display:inline-flex;align-items:center;gap:10px;font-size:1rem;letter-spacing:.12em;font-weight:700;margin-bottom:.8rem}
.dark-section .section-title{color:#fff}
.dark-section p{color:rgba(255,255,255)}
.dark-card{margin-bottom:24px;padding:26px 30px;background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.1);border-radius:var(--radius-lg)}
.dark-card .card-title-hero{color:white}
.scene-columns{display:grid;grid-template-columns:1fr 1fr 1fr;gap:24px;margin-top:30px}
.scene-item{background:rgba(255,255,255,.04);border:1px solid rgba(255,255,255,.1);border-radius:var(--radius-lg);padding:34px 28px;transition:.3s ease}
.scene-item:hover{border-color:var(--decor-gold);background:rgba(255,255,255,.08);transform:translateY(-4px)}
.scene-item .num{font-size:.9rem;font-weight:700;color:var(--decor-gold);letter-spacing:.1em;margin-bottom:20px}
.scene-item h3{color:#fff;font-size:1.25rem;margin-bottom:10px}
.scene-item p{color:rgba(255,255,255,.68);font-size:.93rem;margin-bottom:16px}
.scene-item .chipset{display:flex;flex-wrap:wrap;gap:6px}
.scene-item .chip{background:rgba(255,255,255,.1);border-radius:999px;padding:.12rem .7rem;font-size:.72rem;color:rgba(255,255,255,.8);letter-spacing:.04em}
.dark-card-icon{margin-bottom:12px}
.dark-card-links li{margin-bottom:10px;color:#d9e0e3}
.dark-card-links strong{color:white;margin-bottom:5px;display:block}

/* Venue types cards */
.venue-type-cards{display:grid;grid-template-columns:repeat(2,1fr);gap:24px;margin:30px 0 10px}
.venue-type-list{display:flex;align-items:center;gap:18px;padding:20px 24px;background:var(--bg-warm);border-radius:12px}
.venue-icon{width:52px;height:52px;color:var(--accent)}

/* feature callout card */
.callout{border-left:4px solid var(--accent);background:var(--bg-warm);padding:24px 30px;border-radius:0 18px 18px 0;margin-bottom:30px;position:relative;}
.callout h4{color:var(--primary-deep);font-size:1.05rem;font-weight:700}

/* Table specific */
.table-note{overflow-x:auto;font-size:.92rem}
.table-note th{white-space:nowrap;background:var(--primary);color:#fff}
.table-note td{min-width:120px;color:#656d77}
.table-note th,.table-note td{border:1px solid var(--border)}
.muted-list{list-style:none;margin:20px 0 0;display:flex;flex-wrap:wrap;gap:16px}
.muted-list li{color:var(--text-muted);font-size:.9rem}

/* Pricing / mode section */
.mode-section{background:var(--bg-warm)}
.mode-card{background:#fff;border-radius:var(--radius-lg);padding:30px 28px;box-shadow:var(--shadow-card);border:1px solid var(--border);transition:.3s}
.mode-card:hover{box-shadow:var(--shadow-hover);transform:translateY(-5px)}
.mode-card .price-badge{position:absolute;top:-14px;right:22px;}
.mode-card.featured{background:var(--primary-deep)}
.mode-card.featured h3{color:#fff}
.mode-card.featured p{color:rgba(255,255,255,.6)}
.mode-card.featured .mode-list li{color:rgba(255,255,255,.72)}
.mode-card.featured .mode-list{padding-left:24px;}

/* FAQ */
.faq-section{}
.faq-card{box-shadow:none !important;border:1px solid var(--border) !important;border-radius:12px !important;margin-bottom:12px;overflow:hidden}
.faq-card .accordion-button:not(.collapsed){background:var(--bg-warm);color:var(--text-strong);box-shadow:none}
.faq-card .accordion-button:focus{box-shadow:0 0 0 .2rem rgba(21,66,84,.1)}
/* Responsive */
@media (max-width:991.98px){
  .site-header{height:auto}
  .site-header .header-cta{display:none}
  .site-header .header-inner{height:64px;justify-content:space-between;padding:.5rem 1rem}
  .site-nav{display:none}
  .site-mobile-brand{display:inline-block;font-size:1.2rem;color:var(--text-strong);white-space:nowrap;overflow:hidden;text-overflow:ellipsis;color:var(--primary)}
  .brand-text{font-size:1.12rem}
  .mobile-tabbar{display:block}
  body{padding-bottom:0;}  
  .site-footer{padding:50px 0 0px;margin-bottom:58px}
  .site-footer .footer-bottom{margin-top:1.8rem;padding:1.2rem 1.2rem 1.6rem;gap:1.5rem}
  .footer-bottom{flex-direction:column;align-items:center}

}
@media (max-width:767.98px){
  .site-nav{display:none}
  .page-hero{min-height:auto}
  .section{padding:50px 0}
  .work-wrap{grid-template-columns:1fr}
  .mirror-row{grid-template-columns:1fr;gap:40px}
  .stats-grid{grid-template-columns:repeat(2,1fr)}
  .stats-grid .stat-cell{padding-right:10px;border-right:none;border-right:1px solid rgba(21,66,84,.08)}
  .stats-grid .stat-cell:nth-child(even){border-right:none}
  .scene-columns{grid-template-columns:1fr}
  .focus-grid{grid-template-columns:1fr;}
  .focus-card-green,.focus-card-light{grid-column:span 12;}
  .venue-type-cards{grid-template-columns:1fr}
  .mode-card{margin-bottom:16px}
  .hero-meta{flex-direction:column;align-items:flex-start}
}
@media (max-width:575.98px){
  .stats-grid{grid-template-columns:repeat(1,1fr);gap:1.4rem}
  .stat-cell{border-right:none}
  .breadcrumb-custom{font-size:.78rem}
  .header-cta{display:none}
}

/* roulang page: category3 */
:root {
      --primary: #154254;
      --primary-deep: #0B2C3A;
      --accent: #E75B31;
      --accent-hover: #C94522;
      --gold: #F3C364;
      --bg-warm: #F5F4EE;
      --surface: #FFFFFF;
      --border: #D9E0E3;
      --text-strong: #1A252C;
      --text-body: #384952;
      --text-muted: #6A7B85;
      --radius-card: 18px;
      --radius-img: 14px;
      --shadow-card: 0 2px 8px rgba(10,40,52,.06);
      --shadow-card-hover: 0 18px 40px rgba(10,40,52,.10);
      --font-stack: "PingFang SC", "Microsoft YaHei", "Noto Sans CJK SC", "Source Han Sans SC", system-ui, -apple-system, sans-serif;
    }
    *,
    *::before,
    *::after {
      box-sizing: border-box;
    }
    html {
      scroll-behavior: smooth;
    }
    body {
      margin: 0;
      font-family: var(--font-stack);
      font-size: 16px;
      line-height: 1.75;
      background: var(--bg-warm);
      color: var(--text-body);
      -webkit-font-smoothing: antialiased;
    }
    section {
      position: relative;
    }
    img {
      max-width: 100%;
      height: auto;
      display: block;
      border-radius: var(--radius-img);
    }
    a {
      color: inherit;
      text-decoration: none;
      transition: color .2s ease, box-shadow .2s ease, transform .2s ease;
    }
    a:hover,
    a:focus {
      color: var(--accent);
      outline: none;
    }
    .container {
      max-width: 1180px;
      padding-left: 20px;
      padding-right: 20px;
    }
    .section-pad {
      padding-top: clamp(60px, 8vw, 112px);
      padding-bottom: clamp(60px, 8vw, 112px);
    }
    .section-head {
      margin-bottom: 34px;
    }
    .section-tag {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      font-size: 12px;
      font-weight: 600;
      letter-spacing: .08em;
      color: var(--accent);
      background: rgba(231,91,49,.10);
      padding: 5px 14px;
      border-radius: 999px;
      margin-bottom: 14px;
    }
    .section-head h2 {
      font-size: clamp(26px, 3.2vw, 36px);
      line-height: 1.25;
      color: var(--text-strong);
      font-weight: 700;
      margin: 0 0 8px;
    }
    .section-head p {
      font-size: 16px;
      color: var(--text-muted);
      max-width: 620px;
      margin: 0;
    }
    .btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 8px;
      font-size: 15px;
      font-weight: 600;
      padding: 12px 24px;
      border-radius: 10px;
      line-height: 1.4;
      border: 1px solid transparent;
      transition: all .25s ease;
      text-align: center;
      cursor: pointer;
      box-shadow: none;
    }
    .btn-main {
      background: var(--accent);
      border-color: var(--accent);
      color: #fff;
    }
    .btn-main:hover,
    .btn-main:focus {
      background: var(--accent-hover);
      border-color: var(--accent-hover);
      color: #fff;
      transform: translateY(-2px);
      box-shadow: 0 12px 24px rgba(231,91,49,.24);
    }
    .btn-main:active {
      transform: translateY(0);
      box-shadow: none;
    }
    .btn-outline {
      background: transparent;
      border-color: var(--primary);
      color: var(--primary);
    }
    .btn-outline:hover,
    .btn-outline:focus {
      background: rgba(21,66,84,.08);
      border-color: var(--primary);
      color: var(--primary);
    }
    .btn-white {
      background: #fff;
      color: #0B2C3A;
    }
    .btn-white:hover,
    .btn-white:focus {
      background: #f0efea;
      color: #0B2C3A;
      transform: translateY(-2px);
    }
    .hero-lead a,
    .btn-outline-white {
      background: transparent;
      border-color: rgba(255,255,255,.8);
      color: #fff;
    }
    .btn-outline-white:hover,
    .btn-outline-white:focus {
      background: rgba(255,255,255,.12);
      border-color: #fff;
      color: #fff;
    }
    .btn-lg {
      padding: 15px 32px;
      font-size: 16px;
    }
    .site-header {
      height: 76px;
      background: var(--surface);
      border-bottom: 1px solid rgba(217,224,227,.7);
      position: sticky;
      top: 0;
      z-index: 1030;
      box-shadow: 0 1px 10px rgba(10,40,52,.03);
    }
    .header-inner {
      height: 76px;
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 18px;
    }
    .brand {
      display: inline-flex;
      align-items: center;
      gap: 10px;
      flex-shrink: 0;
    }
    .brand-mark {
      display: inline-flex;
      align-items: center;
      justify-content: center;
    }
    .brand-text {
      font-size: 18px;
      font-weight: 700;
      color: var(--text-strong);
      letter-spacing: .01em;
      white-space: nowrap;
    }
    .site-nav {
      display: flex;
      align-items: center;
      gap: 6px;
      flex-wrap: nowrap;
    }
    .site-nav .nav-item {
      display: inline-block;
      font-size: 15px;
      font-weight: 500;
      color: var(--text-body);
      padding: 8px 14px;
      border-radius: 999px;
      white-space: nowrap;
      position: relative;
    }
    .site-nav .nav-item:hover {
      color: var(--accent);
      background: rgba(245,244,238,.8);
    }
    .site-nav .nav-item.active {
      color: var(--accent);
      font-weight: 600;
      background: rgba(231,91,49,.08);
    }
    .header-cta {
      flex-shrink: 0;
      padding: 9px 20px;
      font-size: 14px;
    }
    .page-crumb {
      font-size: 13px;
      color: var(--text-muted);
      display: flex;
      gap: 6px;
      flex-wrap: wrap;
      margin-bottom: 16px;
      letter-spacing: .02em;
    }
    .page-crumb a {
      color: rgba(255,255,255,.7);
    }
    .page-crumb a:hover {
      color: var(--gold);
    }
    .crumb-sep {
      opacity: .6;
      display: inline-block;
    }
    .category-hero {
      background: linear-gradient(115deg, #0B2C3A 0%, #154254 68%, #1D5A69 100%);
      min-height: 400px;
      display: flex;
      align-items: center;
      color: #fff;
      overflow: hidden;
      padding-top: 70px;
      padding-bottom: 70px;
      border-radius: 0;
    }
    .category-hero .hero-bg {
      position: absolute;
      inset: 0;
      background-image: url('/assets/images/backpic/back-2.webp');
      background-position: center 30%;
      background-size: cover;
      opacity: .26;
    }
    .category-hero .hero-bg::after {
      content: "";
      position: absolute;
      inset: auto -20% -40% 50%;
      width: 100%;
      height: 100%;
      background: radial-gradient(circle at 30% 0%, rgba(243,195,100,.12), transparent 62%);
    }
    .hero-inner {
      position: relative;
      z-index: 2;
      max-width: 780px;
    }
    .hero-sub {
      color: var(--gold);
      font-size: 13px;
      font-weight: 600;
      letter-spacing: .14em;
      display: flex;
      align-items: center;
      gap: 8px;
      margin-bottom: 16px;
    }
    .hero-sub::before {
      content: "";
      width: 24px;
      height: 2px;
      background: var(--accent);
      border-radius: 2px;
    }
    .page-title {
      font-size: clamp(34px, 4.8vw, 50px);
      font-weight: 800;
      line-height: 1.15;
      color: #fff;
      margin: 0 0 18px;
      letter-spacing: .01em;
    }
    .page-title .accent {
      color: var(--gold);
    }
    .hero-text {
      font-size: 17px;
      line-height: 1.85;
      color: rgba(255,255,255,.82);
      max-width: 720px;
      margin: 0 0 32px;
    }
    .hero-actions {
      display: flex;
      flex-wrap: wrap;
      gap: 14px;
      margin-top: 8px;
    }
    .category-hero .hero-note {
      display: flex;
      flex-wrap: wrap;
      gap: 22px;
      margin-top: 30px;
      padding-left: 0;
      list-style: none;
      color: rgba(255,255,255,.72);
      font-size: 14px;
    }
    .category-hero .hero-note li {
      display: flex;
      align-items: center;
      gap: 7px;
    }
    .category-hero .hero-note li::before {
      content: "";
      width: 6px;
      height: 6px;
      background: var(--accent);
      border-radius: 50%;
      display: inline-block;
    }
    .reading-wrap {
      background: var(--surface);
      border-radius: 24px;
      box-shadow: var(--shadow-card);
      padding: clamp(24px, 3vw, 48px);
      margin-top: -70px;
      position: relative;
      z-index: 5;
    }
    .reading-toc {
      position: sticky;
      top: 110px;
      background: var(--bg-warm);
      border-radius: 16px;
      padding: 24px;
      border: 1px solid rgba(217,224,227,.8);
    }
    .reading-toc h3 {
      font-size: 16px;
      font-weight: 700;
      color: var(--text-strong);
      margin: 0 0 16px;
      letter-spacing: .02em;
    }
    .toc-list {
      list-style: none;
      padding: 0;
      margin: 0;
    }
    .toc-list li {
      margin-bottom: 8px;
    }
    .toc-list a {
      display: block;
      font-size: 14px;
      color: var(--text-muted);
      padding: 7px 10px;
      border-radius: 8px;
      border-left: 3px solid transparent;
    }
    .toc-list a:hover,
    .toc-list a.active {
      color: var(--accent);
      background: rgba(231,91,49,.06);
      border-left-color: var(--accent);
    }
    .reading-toc-tip {
      margin-top: 18px;
      padding: 14px;
      font-size: 13px;
      line-height: 1.7;
      color: var(--text-muted);
      border-top: 1px solid var(--border);
    }
    .reading-main {
      padding-left: clamp(0px, 2vw, 26px);
    }
    .reading-lead {
      font-size: 18px;
      line-height: 1.85;
      color: var(--text-strong);
      margin-bottom: 20px;
    }
    .reading-main .chapter {
      padding: 30px 0 20px;
      border-bottom: 1px solid rgba(217,224,227,.75);
      scroll-margin-top: 100px;
    }
    .reading-main .chapter:last-of-type {
      border-bottom: 0;
    }
    .chapter-title {
      font-size: 23px;
      font-weight: 700;
      color: var(--text-strong);
      margin: 0 0 6px;
      display: flex;
      align-items: baseline;
      gap: 10px;
      line-height: 1.35;
    }
    .chapter-no {
      font-size: 13px;
      font-weight: 800;
      letter-spacing: .06em;
      color: var(--accent);
      background: rgba(231,91,49,.08);
      border-radius: 8px;
      padding: 3px 8px;
      flex-shrink: 0;
    }
    .chapter-desc {
      color: var(--text-muted);
      font-size: 14px;
      margin-bottom: 18px;
      padding-left: 44px;
    }
    .chapter p {
      margin: 16px 0;
      line-height: 1.85;
    }
    .chapter h4 {
      font-size: 18px;
      font-weight: 600;
      color: var(--text-strong);
      margin: 22px 0 8px;
    }
    .course-grid {
      display: grid;
      grid-template-columns: repeat(2, 1fr);
      gap: 18px;
      margin: 22px 0 12px;
    }
    .course-item {
      display: flex;
      gap: 12px;
      padding: 14px 16px;
      background: var(--bg-warm);
      border-radius: 14px;
      border: 1px solid var(--border);
    }
    .course-item .icon {
      font-size: 18px;
      line-height: 1.4;
      color: var(--accent);
      flex-shrink: 0;
    }
    .course-item strong {
      display: block;
      font-size: 15px;
      font-weight: 600;
      color: var(--text-strong);
      margin-bottom: 3px;
    }
    .course-item span {
      font-size: 14px;
      color: var(--text-muted);
      line-height: 1.6;
    }
    .note-block {
      display: flex;
      gap: 12px;
      background: rgba(21,66,84,.06);
      padding: 16px 18px;
      border-radius: 14px;
      border: 1px solid rgba(21,66,84,.08);
      margin: 22px 0;
      font-size: 14px;
      line-height: 1.7;
    }
    .note-block::before {
      content: "提示";
      font-size: 13px;
      font-weight: 700;
      color: var(--primary);
      background: rgba(21,66,84,.12);
      padding: 3px 12px;
      border-radius: 999px;
      height: 28px;
      flex-shrink: 0;
    }
    .step-line {
      margin: 24px 0 4px;
      counter-reset: stepnum;
    }
    .step-item {
      display: flex;
      gap: 16px;
      padding: 14px 0;
      border-bottom: 1px dashed rgba(21,66,84,.12);
    }
    .step-item:last-child {
      border-bottom: 0;
      padding-bottom: 0;
    }
    .step-marker {
      counter-increment: stepnum;
      width: 34px;
      height: 34px;
      background: var(--primary);
      color: #fff;
      border-radius: 50%;
      display: inline-flex;
      align-items: center;
      justify-content: center;
      font-weight: 700;
      font-size: 15px;
      flex-shrink: 0;
    }
    .step-item:nth-child(2) .step-marker {
      background: var(--accent);
    }
    .step-content {
      flex: 1;
    }
    .step-content h4 {
      margin: 0 0 6px;
      font-size: 16px;
      font-weight: 600;
      color: var(--text-strong);
    }
    .step-content p {
      margin: 0 0 6px;
      font-size: 14px;
      color: var(--text-body);
      line-height: 1.75;
    }
    .check-tag-list {
      display: flex;
      flex-wrap: wrap;
      gap: 10px;
      align-items: center;
      margin: 22px 0 6px;
    }
    .check-tag-list span {
      display: inline-flex;
      align-items: center;
      background: var(--bg-warm);
      border: 1px solid var(--border);
      color: var(--text-body);
      font-size: 14px;
      padding: 6px 16px 6px 12px;
      border-radius: 999px;
    }
    .check-tag-list svg {
      margin-right: 5px;
      color: var(--accent);
    }
    .stats-band {
      background: var(--primary-deep);
      padding-top: 80px;
      padding-bottom: 80px;
      margin-top: 40px;
    }
    .stats-grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
      gap: 28px;
      border-radius: 20px;
      padding: 22px 0;
    }
    .stats-item {
      text-align: center;
      color: #fff;
    }
    .stats-item .num {
      font-size: clamp(32px, 4vw, 46px);
      font-weight: 800;
      color: var(--gold);
      line-height: 1.2;
      display: block;
      margin-bottom: 6px;
    }
    .stats-item .label {
      font-size: 14px;
      color: rgba(255,255,255,.64);
    }
    .team-map {
      display: flex;
      gap: 24px;
      align-items: center;
      margin: 26px 0 6px;
    }
    .media-img {
      width: 100%;
      border-radius: var(--radius-img);
      background: #d9dfe0;
      min-height: 160px;
    }
    .media-text {
      background: var(--surface);
      border-radius: 16px;
      padding: 20px;
      font-size: 14px;
      border: 1px solid var(--border);
      line-height: 1.8;
    }
    .float-card-img {
      position: relative;
      border-radius: var(--radius-img);
      overflow: hidden;
      margin: 10px 0;
    }
    .float-card-img img {
      width: 100%;
      min-height: 260px;
      object-fit: cover;
    }
    .float-card-img::before {
      content: "";
      display: block;
      padding-top: 72%;
    }
    .float-card-img img {
      position: absolute;
      inset: 0;
      width: 100%;
      height: 100%;
      object-fit: cover;
    }
    .img-placeholder {
      display: none;
    }
    .faq-wrap {
      background: var(--surface);
      border: 1px solid var(--border);
      border-radius: 18px;
      overflow: hidden;
    }
    .faq-wrap .faq-item {
      border-bottom: 1px solid var(--border);
    }
    .faq-wrap .faq-item:last-child {
      border-bottom: 0;
    }
    .faq-wrap .faq-question {
      background: transparent;
      color: var(--text-strong);
      font-size: 16px;
      font-weight: 600;
      padding: 21px 24px 21px 20px;
      border-radius: 0;
    }
    .faq-wrap .faq-question:focus {
      box-shadow: none;
      outline: none;
      background: var(--bg-warm);
    }
    .faq-wrap .faq-question::after {
      font-family: "PingFang SC", "Microsoft YaHei", sans-serif;
      content: "";
    }
    .faq-answer {
      color: var(--text-body);
      line-height: 1.85;
      padding: 4px 22px 20px 20px;
      font-size: 15px;
      border-top: 0;
    }
    .cta-band {
      background: var(--primary-deep);
      border-radius: 24px;
      padding: 44px 42px;
      margin-top: 80px;
      color: #fff;
      display: flex;
      flex-wrap: wrap;
      align-items: center;
      justify-content: space-between;
      gap: 28px;
      background-image: radial-gradient(circle at 82% 10%, rgba(243,195,100,.12), transparent 38%);
    }
    .cta-band h2 {
      color: #fff;
      font-size: clamp(24px, 3vw, 34px);
      font-weight: 700;
      margin: 0 0 8px;
      line-height: 1.2;
    }
    .cta-band p {
      margin: 0;
      color: rgba(255,255,255,.68);
      font-size: 15px;
    }
    .cta-actions {
      display: flex;
      gap: 12px;
      flex-wrap: wrap;
    }
    .site-footer {
      background: var(--primary-deep);
      color: rgba(255,255,255,.72);
      padding: 66px 0 66px;
      margin-top: 90px;
    }
    .footer-brand {
      color: #fff;
      font-size: 19px;
      font-weight: 700;
      display: flex;
      align-items: center;
      gap: 10px;
      margin-bottom: 14px;
    }
    .footer-about {
      font-size: 15px;
      line-height: 1.8;
      color: rgba(255,255,255,.6);
      margin-bottom: 16px;
    }
    .footer-title {
      font-size: 15px;
      font-weight: 600;
      color: #fff;
      margin-bottom: 20px;
    }
    .footer-link-list {
      list-style: none;
      margin: 0;
      padding: 0;
    }
    .footer-link-list li {
      margin-bottom: 10px;
    }
    .footer-link-list a {
      color: rgba(255,255,255,.6);
      font-size: 14px;
      display: inline-block;
    }
    .footer-link-list a:hover {
      color: var(--gold);
    }
    .footer-contact {
      border-bottom: 1px solid rgba(255,255,255,.14);
      padding-bottom: 14px;
      margin-bottom: 16px;
    }
    .footer-contact strong {
      font-size: 14px;
      font-weight: 600;
      color: #fff;
    }
    .footer-contact p {
      font-size: 14px;
      margin: 4px 0 0;
      color: rgba(255,255,255,.55);
    }
    .footer-bottom {
      margin-top: 44px;
      border-top: 1px solid rgba(255,255,255,.12);
      padding-top: 28px;
      font-size: 14px;
      color: rgba(255,255,255,.48);
      display: flex;
      justify-content: space-between;
      flex-wrap: wrap;
      gap: 12px;
    }
    .footer-bottom-links {
      display: flex;
      gap: 18px;
    }
    .footer-bottom-links a {
      color: rgba(255,255,255,.5);
      font-size: 14px;
    }
    .footer-bottom-links a:hover {
      color: #fff;
    }
    .bottom-tab-bar {
      display: none;
    }
    .text-arrow {
      display: inline-flex;
      align-items: center;
      gap: 6px;
      font-size: 14px;
      font-weight: 600;
      color: var(--accent);
    }
    .text-arrow svg {
      transition: transform .2s ease;
    }
    .text-arrow:hover svg {
      transform: translateX(4px);
    }
    @media (max-width: 991.98px) {
      .site-header {
        height: 64px;
      }
      .header-inner {
        height: 64px;
      }
      .brand-text {
        font-size: 16px;
      }
      .site-nav {
        display: none;
      }
      .header-cta {
        display: none;
      }
      .bottom-tab-bar {
        display: flex;
        position: fixed;
        left: 0;
        right: 0;
        bottom: 0;
        z-index: 1090;
        width: 100%;
        background: #fff;
        border-top: 1px solid #e4e8ea;
        box-shadow: 0 -4px 16px rgba(10,40,52,.05);
        height: calc(58px + env(safe-area-inset-bottom));
        padding-bottom: env(safe-area-inset-bottom);
      }
      .tab-item {
        flex: 1;
        display: flex;
        flex-direction: column;
        justify-content: center;
        align-items: center;
        gap: 4px;
        color: var(--text-muted);
        font-size: 11px;
        font-weight: 400;
        min-width: 0;
      }
      .tab-item svg {
        width: 22px;
        height: 22px;
      }
      .tab-item.active {
        color: var(--accent);
        font-weight: 600;
      }
      .reading-wrap {
        margin-top: -38px;
        padding: 26px 20px;
      }
      .reading-toc {
        position: static;
        margin-bottom: 24px;
      }
      .reading-main {
        padding-left: 0;
      }
      .course-grid {
        grid-template-columns: 1fr;
      }
      .faq-answer {
        font-size: 14px;
      }
      .bottom-space {
        padding-bottom: calc(72px + env(safe-area-inset-bottom));
      }
      .category-hero {
        min-height: 330px;
        padding-top: 88px;
        padding-bottom: 46px;
      }
      .page-title {
        font-size: 32px;
      }
      .hero-text {
        font-size: 15px;
      }
      .hero-actions .btn {
        padding: 10px 18px;
        font-size: 14px;
      }
      .cta-band {
        padding: 32px 24px;
      }
    }
    @media (max-width: 767.98px) {
      .category-hero {
        min-height: 300px;
      }
      .category-hero .hero-note {
        gap: 10px 18px;
        font-size: 13px;
      }
      .chapter-title {
        font-size: 19px;
        gap: 8px;
        flex-direction: row;
      }
      .chapter-no {
        font-size: 12px;
        padding: 2px 6px;
      }
      .chapter-desc {
        padding-left: 0;
      }
      .media-img {
        min-height: 120px;
      }
      .reading-main .chapter {
        padding-top: 20px;
      }
      .footer-bottom {
        flex-direction: column;
      }
      .brand-text {
        max-width: 62vw;
        overflow: hidden;
        text-overflow: ellipsis;
      }
    }
    @media (max-width: 390px) {
      .header-inner {
        gap: 8px;
      }
      .brand-mark {
        transform: scale(.92);
      }
      .brand-text {
        font-size: 15px;
      }
      .page-title {
        font-size: 27px;
      }
    }
    .course-card-img {
      border-radius: var(--radius-img);
      background: linear-gradient(135deg, #dfe7ea, #edf2f0);
      overflow: hidden;
    }
    .course-card-img img {
      width: 100%;
      height: 100%;
      object-fit: cover;
    }
    .inline-list {
      margin: 14px 0 20px;
      padding: 0;
      list-style: none;
    }
    .inline-list li {
      display: flex;
      align-items: flex-start;
      gap: 9px;
      font-size: 14px;
      line-height: 1.7;
      margin-bottom: 8px;
      color: var(--text-body);
    }
    .inline-list svg {
      color: var(--gold);
      margin-top: 6px;
      flex-shrink: 0;
    }
    .chapter-callout {
      background: rgba(245,244,238,.75);
      border-left: 4px solid var(--accent);
      border-radius: 12px;
      padding: 16px 18px;
      margin: 20px 0 8px;
      font-size: 14px;
      line-height: 1.75;
    }
    .chapter-callout strong {
      color: var(--primary);
    }
    .section-inner-gap {
      padding-top: clamp(30px, 6vw, 70px);
    }

/* roulang page: category4 */
:root {
      --primary: #154254;
      --primary-deep: #0B2C3A;
      --accent: #E75B31;
      --accent-hover: #C94522;
      --decor-gold: #F3C364;
      --bg-warm: #F5F4EE;
      --surface: #FFFFFF;
      --border: #D9E0E3;
      --text-strong: #1A252C;
      --text-body: #384952;
      --text-muted: #6A7B85;
      --font-sans: "PingFang SC", "Microsoft YaHei", "Noto Sans CJK SC", "Source Han Sans SC", system-ui, -apple-system, sans-serif;
      --radius-btn: 8px;
      --radius-card: 18px;
      --radius-img: 14px;
      --shadow-card: 0 2px 8px rgba(10, 40, 52, .06);
      --shadow-hover: 0 18px 40px rgba(10, 40, 52, .10);
      --section-y: clamp(60px, 8vw, 112px);
    }

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

    html {
      scroll-behavior: smooth;
    }

    body {
      font-family: var(--font-sans);
      background: var(--bg-warm);
      color: var(--text-body);
      font-size: 16px;
      line-height: 1.75;
      -webkit-font-smoothing: antialiased;
    }

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

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

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

    .container {
      max-width: 1200px;
    }

    /* ---------- Header ---------- */
    .site-header {
      position: sticky;
      top: 0;
      z-index: 1050;
      background: var(--surface);
      border-bottom: 1px solid rgba(217, 224, 227, .65);
      transition: box-shadow .25s ease;
    }

    .site-header.scrolled {
      box-shadow: 0 8px 24px rgba(10, 40, 52, .07);
    }

    .header-inner {
      display: flex;
      align-items: center;
      min-height: 76px;
      gap: 22px;
    }

    .brand {
      display: inline-flex;
      align-items: center;
      gap: 10px;
      color: var(--text-strong);
      white-space: nowrap;
    }

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

    .brand-text {
      font-weight: 800;
      font-size: 19px;
      letter-spacing: .01em;
    }

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

    .nav-item {
      position: relative;
      display: inline-block;
      padding: 9px 15px;
      font-size: 15px;
      font-weight: 600;
      color: var(--text-body);
      border-radius: 999px;
      transition: color .2s, background .2s;
    }

    .nav-item::after {
      content: "";
      position: absolute;
      left: 15px;
      right: 15px;
      bottom: 3px;
      height: 3px;
      border-radius: 99px;
      background: var(--accent);
      opacity: 0;
      transform: scaleX(.4);
      transform-origin: left center;
      transition: opacity .2s, transform .2s;
    }

    .nav-item:hover {
      color: var(--primary-deep);
      background: var(--bg-warm);
    }

    .nav-item.active {
      color: var(--primary-deep);
      font-weight: 700;
    }

    .nav-item.active::after {
      opacity: 1;
      transform: scaleX(1);
    }

    .header-cta {
      flex: none;
      margin-left: 8px;
    }

    /* ---------- Buttons ---------- */
    .btn {
      border-radius: var(--radius-btn);
      font-weight: 600;
      letter-spacing: .01em;
      padding: .65rem 1.4rem;
      transition: all .2s ease;
      border: 1px solid transparent;
    }

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

    .btn-main:hover,
    .btn-main:focus {
      background: var(--accent-hover);
      border-color: var(--accent-hover);
      color: #fff;
      transform: translateY(-2px);
      box-shadow: 0 12px 22px rgba(231, 91, 49, .25);
    }

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

    .btn-main:focus-visible {
      outline: 2px solid rgba(231, 91, 49, .45);
      outline-offset: 3px;
    }

    .btn-outline {
      border-color: var(--primary);
      color: var(--primary);
      background: transparent;
    }

    .btn-outline:hover,
    .btn-outline:focus {
      background: var(--primary);
      border-color: var(--primary);
      color: #fff;
      transform: translateY(-2px);
    }

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

    .btn-white {
      background: #fff;
      border-color: #fff;
      color: var(--primary-deep);
    }

    .btn-white:hover,
    .btn-white:focus {
      transform: translateY(-2px);
      background: #fff;
      border-color: #fff;
      color: var(--primary-deep);
      box-shadow: 0 12px 30px rgba(0, 0, 0, .15);
    }

    .btn-ghost-light {
      background: transparent;
      border-color: rgba(255, 255, 255, .72);
      color: #fff;
    }

    .btn-ghost-light:hover {
      background: rgba(255, 255, 255, .12);
      border-color: rgba(255, 255, 255, .92);
      color: #fff;
      transform: translateY(-2px);
    }

    .btn:focus-visible {
      outline: 2px solid var(--primary);
      outline-offset: 3px;
    }

    /* ---------- Page Banner ---------- */
    .page-banner {
      position: relative;
      background: var(--primary-deep);
      min-height: 380px;
      display: flex;
      align-items: center;
      padding: 70px 0 80px;
      overflow: hidden;
      color: #fff;
    }

    .page-banner .banner-bg {
      position: absolute;
      inset: 0;
      background-image: url('/assets/images/backpic/back-2.webp');
      background-size: cover;
      background-position: center;
      opacity: .38;
      filter: saturate(.72);
    }

    .page-banner::after {
      content: "";
      position: absolute;
      inset: 0;
      background: linear-gradient(100deg, rgba(11, 44, 58, .72) 0%, rgba(11, 44, 58, .55) 42%, rgba(11, 44, 58, .18) 100%);
      pointer-events: none;
    }

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

    .breadcrumb-line {
      display: flex;
      align-items: center;
      gap: 8px;
      font-size: 14px;
      color: rgba(255, 255, 255, .66);
      margin-bottom: 22px;
    }

    .breadcrumb-line a {
      color: rgba(255, 255, 255, .82);
      transition: color .2s;
    }

    .breadcrumb-line a:hover {
      color: var(--decor-gold);
    }

    .banner-kicker {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      font-size: 13px;
      letter-spacing: .06em;
      color: var(--decor-gold);
      font-weight: 700;
      margin-bottom: 10px;
    }

    .banner-kicker::before {
      content: "";
      width: 24px;
      height: 2px;
      background: var(--accent);
    }

    .page-banner h1 {
      font-size: clamp(30px, 5vw, 48px);
      font-weight: 800;
      line-height: 1.2;
      letter-spacing: .01em;
      color: #fff;
      margin-bottom: 14px;
    }

    .banner-lead {
      max-width: 680px;
      font-size: 17px;
      line-height: 1.8;
      color: rgba(255, 255, 255, .88);
      margin-bottom: 28px;
    }

    .banner-actions {
      display: flex;
      flex-wrap: wrap;
      gap: 12px;
    }

    /* ---------- Section Shared ---------- */
    .section {
      padding-top: var(--section-y);
      padding-bottom: var(--section-y);
    }

    .section-light {
      background: var(--bg-warm);
    }

    .section-white {
      background: #fff;
    }

    .section-deep {
      background: var(--primary-deep);
      color: rgba(255, 255, 255, .72);
    }

    .eyeblock {
      display: inline-flex;
      align-items: center;
      gap: 9px;
      font-size: 12px;
      font-weight: 700;
      letter-spacing: .07em;
      color: var(--accent);
      text-transform: uppercase;
    }

    .eyeblock::before {
      content: "";
      width: 24px;
      height: 2px;
      background: var(--accent);
    }

    .section-head {
      margin-bottom: 30px;
    }

    .section-head h2 {
      font-size: clamp(26px, 3.6vw, 36px);
      line-height: 1.24;
      font-weight: 800;
      color: var(--text-strong);
      margin: 10px 0 12px;
    }

    .section-head p {
      max-width: 780px;
      color: var(--text-muted);
      font-size: 16px;
      margin-bottom: 0;
    }

    .section-deep .section-head h2 {
      color: #fff;
    }

    .section-deep .section-head p {
      color: rgba(255, 255, 255, .68);
    }

    /* ---------- Stats Strip ---------- */
    .stats-strip {
      background: var(--primary-deep);
      border-top: 1px solid rgba(255, 255, 255, .05);
      padding: 32px 0 38px;
    }

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

    .stat-item {
      border-left: 3px solid rgba(243, 195, 100, .85);
      padding-left: 18px;
    }

    .stat-item h3 {
      font-size: 30px;
      line-height: 1.1;
      font-weight: 800;
      color: #fff;
      margin: 0 0 6px;
    }

    .stat-item h3 small {
      font-size: 15px;
      font-weight: 600;
      color: var(--decor-gold);
      margin-left: 4px;
    }

    .stat-item p {
      font-size: 13px;
      color: rgba(255, 255, 255, .68);
      margin-bottom: 0;
    }

    /* ---------- Intro ---------- */
    .tick-list {
      list-style: none;
      padding: 0;
      margin: 20px 0 24px;
    }

    .tick-list li {
      position: relative;
      padding: 7px 0 7px 30px;
      font-size: 15.5px;
    }

    .tick-list li::before {
      content: "";
      position: absolute;
      left: 2px;
      top: 16px;
      width: 12px;
      height: 12px;
      border-radius: 50%;
      background: var(--accent);
      opacity: .92;
      box-shadow: 0 0 0 4px rgba(231, 91, 49, .14);
    }

    .tick-list strong {
      color: var(--text-strong);
      font-weight: 700;
    }

    .visual-frame {
      background: var(--primary-deep);
      border-radius: var(--radius-card);
      padding: 10px 10px 0;
      box-shadow: var(--shadow-hover);
      margin: 0;
    }

    .visual-frame img {
      width: 100%;
      border-radius: var(--radius-img);
      object-fit: cover;
      max-height: 390px;
    }

    .visual-frame figcaption {
      padding: 13px 8px 16px;
      font-size: 12px;
      color: rgba(255, 255, 255, .62);
      letter-spacing: .02em;
    }

    /* ---------- Column Cards ---------- */
    .cat-card {
      background: var(--bg-warm);
      border: 1px solid rgba(217, 224, 227, .8);
      border-radius: var(--radius-card);
      padding: 28px 26px;
      height: 100%;
      transition: transform .25s ease, box-shadow .25s ease, border-color .25s ease;
    }

    .cat-card-white {
      background: var(--surface);
    }

    .cat-card:hover {
      transform: translateY(-4px);
      box-shadow: var(--shadow-hover);
      border-color: rgba(21, 66, 84, .35);
    }

    .cat-card-icon {
      width: 48px;
      height: 48px;
      border-radius: 14px;
      display: flex;
      align-items: center;
      justify-content: center;
      background: rgba(21, 66, 84, .08);
      color: var(--primary);
      margin-bottom: 18px;
    }

    .cat-card h3 {
      font-size: 20px;
      font-weight: 700;
      color: var(--text-strong);
      margin-bottom: 8px;
    }

    .cat-card p {
      font-size: 15px;
      line-height: 1.75;
      color: var(--text-body);
      margin-bottom: 14px;
    }

    .cat-tags {
      display: flex;
      flex-wrap: wrap;
      gap: 7px;
      margin-top: auto;
    }

    .cat-tags span {
      display: inline-block;
      padding: 4px 11px;
      font-size: 12px;
      font-weight: 600;
      color: var(--primary-deep);
      background: rgba(21, 66, 84, .08);
      border-radius: 999px;
    }

    /* ---------- Source Flow ---------- */
    .flow-list {
      list-style: none;
      padding: 0;
      margin: 0;
    }

    .flow-list li {
      position: relative;
      background: var(--surface);
      border: 1px solid var(--border);
      border-radius: 16px;
      padding: 22px 24px 22px 82px;
      margin-bottom: 14px;
      box-shadow: var(--shadow-card);
      transition: transform .25s ease, box-shadow .25s ease, border-color .25s ease;
    }

    .flow-list li:hover {
      transform: translateX(6px);
      box-shadow: var(--shadow-hover);
      border-color: rgba(21, 66, 84, .3);
    }

    .step-num {
      position: absolute;
      left: 20px;
      top: 20px;
      width: 40px;
      height: 40px;
      border-radius: 50%;
      display: flex;
      align-items: center;
      justify-content: center;
      font-weight: 800;
      font-size: 14px;
      color: var(--accent);
      background: rgba(231, 91, 49, .12);
    }

    .flow-list strong {
      display: block;
      font-size: 17px;
      color: var(--text-strong);
      margin-bottom: 4px;
    }

    .flow-list p {
      font-size: 14.5px;
      line-height: 1.7;
      margin-bottom: 0;
      color: var(--text-muted);
    }

    /* ---------- Audience ---------- */
    .aud-row {
      display: grid;
      grid-template-columns: 78px 1fr 180px;
      gap: 22px;
      align-items: start;
      padding: 26px 4px;
      border-bottom: 1px solid rgba(255, 255, 255, .12);
      transition: transform .25s ease;
    }

    .aud-row:first-child {
      padding-top: 4px;
    }

    .aud-row:last-child {
      border-bottom: 0;
    }

    .aud-row:hover {
      transform: translateX(10px);
    }

    .aud-num {
      font-size: 16px;
      font-weight: 800;
      color: rgba(255, 255, 255, .85);
      letter-spacing: .03em;
      padding-top: 6px;
      transition: color .2s;
    }

    .aud-row:hover .aud-num {
      color: var(--decor-gold);
    }

    .aud-main h3 {
      font-size: 20px;
      font-weight: 700;
      color: #fff;
      margin-bottom: 8px;
    }

    .aud-main p {
      font-size: 15px;
      line-height: 1.75;
      color: rgba(255, 255, 255, .68);
      margin-bottom: 9px;
    }

    .aud-tag {
      font-size: 13px;
      color: rgba(255, 255, 255, .56);
      text-align: right;
      padding-top: 4px;
      line-height: 1.6;
    }

    /* ---------- Accordion / FAQ ---------- */
    .accordion-item {
      border: 1px solid var(--border);
      border-radius: 16px !important;
      margin-bottom: 12px;
      overflow: hidden;
      box-shadow: var(--shadow-card);
    }

    .accordion-button {
      background: var(--surface);
      color: var(--text-strong);
      font-size: 16px;
      font-weight: 700;
      padding: 1.2rem 1.3rem;
      box-shadow: none !important;
      border: 0 !important;
      line-height: 1.55;
      transition: color .2s;
    }

    .accordion-button:not(.collapsed) {
      color: var(--primary-deep);
      background: var(--surface);
    }

    .accordion-button:hover {
      color: var(--accent-hover);
    }

    .accordion-button::after {
      content: "+";
      background-image: none !important;
      width: 28px;
      height: 28px;
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 24px;
      font-weight: 300;
      color: var(--accent);
      transition: color .2s, transform .2s;
    }

    .accordion-button:not(.collapsed)::after {
      content: "−";
      transform: none;
      color: var(--accent);
    }

    .accordion-body {
      background: var(--surface);
      padding: 0 1.3rem 1.3rem;
      font-size: 15px;
      line-height: 1.8;
      color: var(--text-body);
    }

    /* ---------- Recommend Strip ---------- */
    .channel-list {
      display: grid;
      gap: 14px;
      margin-top: 22px;
    }

    .channel-item {
      display: flex;
      align-items: center;
      gap: 16px;
      background: var(--surface);
      border: 1px solid var(--border);
      border-radius: 16px;
      padding: 16px 20px;
      box-shadow: var(--shadow-card);
      transition: border-color .2s, box-shadow .25s, transform .25s;
    }

    .channel-item:hover {
      transform: translateX(6px);
      box-shadow: var(--shadow-hover);
      border-color: rgba(21, 66, 84, .35);
    }

    .channel-thumb {
      width: 92px;
      height: 62px;
      flex: none;
      border-radius: 10px;
      background-color: #DCE7EB;
      background-size: cover;
      background-position: center;
    }

    .channel-info {
      min-width: 0;
      flex: 1;
    }

    .channel-info strong {
      display: block;
      font-size: 16px;
      font-weight: 700;
      color: var(--text-strong);
      margin-bottom: 2px;
    }

    .channel-info em {
      display: block;
      font-style: normal;
      font-size: 13.5px;
      color: var(--text-muted);
      white-space: nowrap;
      overflow: hidden;
      text-overflow: ellipsis;
    }

    .channel-go {
      flex: none;
      width: 34px;
      height: 34px;
      border-radius: 50%;
      background: var(--bg-warm);
      color: var(--primary);
      display: flex;
      align-items: center;
      justify-content: center;
      transition: background .2s, color .2s, transform .2s;
    }

    .channel-item:hover .channel-go {
      background: var(--accent);
      color: #fff;
      transform: translateX(3px);
    }

    /* ---------- Mobile Tab ---------- */
    .mobile-tabbar {
      position: fixed;
      left: 0;
      right: 0;
      bottom: 0;
      z-index: 2000;
      display: none;
      height: calc(58px + env(safe-area-inset-bottom));
      padding-bottom: env(safe-area-inset-bottom);
      background: var(--surface);
      border-top: 1px solid var(--border);
      box-shadow: 0 -6px 18px rgba(10, 40, 52, .05);
    }

    .mobile-tabbar a {
      flex: 1;
      display: flex;
      flex-direction: column;
      align-items: center;
      justify-content: center;
      gap: 4px;
      color: #7b8c93;
      font-size: 11px;
      transition: color .2s;
    }

    .mobile-tabbar a svg {
      width: 18px;
      height: 18px;
    }

    .mobile-tabbar a span {
      line-height: 1;
      font-weight: 500;
    }

    .mobile-tabbar a.active {
      color: var(--accent);
      font-weight: 700;
    }

    .mobile-tabbar a.active span {
      font-weight: 700;
    }

    /* ---------- Footer ---------- */
    .site-footer {
      background: var(--primary-deep);
      color: rgba(255, 255, 255, .68);
      padding-top: 64px;
      padding-bottom: 30px;
      font-size: 15px;
      line-height: 1.8;
    }

    .footer-brand {
      display: inline-flex;
      align-items: center;
      gap: 10px;
      font-size: 20px;
      font-weight: 800;
      color: #fff;
      margin-bottom: 16px;
    }

    .footer-about {
      font-size: 14.5px;
      line-height: 1.8;
      color: rgba(255, 255, 255, .62);
      max-width: 420px;
    }

    .footer-title {
      font-size: 16px;
      font-weight: 700;
      color: #fff;
      margin-bottom: 18px;
    }

    .footer-link-list {
      list-style: none;
      padding: 0;
      margin: 0;
    }

    .footer-link-list li {
      margin-bottom: 10px;
    }

    .footer-link-list a {
      color: rgba(255, 255, 255, .68);
      transition: color .2s, padding-left .2s;
    }

    .footer-link-list a:hover {
      color: var(--accent);
      padding-left: 3px;
    }

    .footer-contact {
      background: rgba(255, 255, 255, .05);
      border-left: 3px solid var(--accent);
      padding: 12px 16px;
      border-radius: 8px;
      margin-bottom: 16px;
    }

    .footer-contact strong {
      color: #fff;
      font-size: 14px;
    }

    .footer-contact p {
      margin: 2px 0 0;
      color: rgba(255, 255, 255, .62);
      font-size: 14px;
    }

    .footer-bottom {
      display: flex;
      flex-wrap: wrap;
      justify-content: space-between;
      align-items: center;
      gap: 8px;
      border-top: 1px solid rgba(255, 255, 255, .1);
      margin-top: 44px;
      padding-top: 22px;
      font-size: 13px;
      color: rgba(255, 255, 255, .5);
    }

    .footer-bottom-links {
      display: flex;
      flex-wrap: wrap;
      gap: 16px;
    }

    .footer-bottom-links a {
      color: rgba(255, 255, 255, .58);
      transition: color .2s;
    }

    .footer-bottom-links a:hover {
      color: var(--decor-gold);
    }

    /* ---------- Responsive ---------- */
    @media (max-width: 991.98px) {
      body {
        padding-bottom: calc(72px + env(safe-area-inset-bottom));
      }

      .site-nav,
      .header-cta {
        display: none !important;
      }

      .header-inner {
        min-height: 64px;
        gap: 12px;
      }

      .brand-text {
        font-size: 17px;
      }

      .mobile-tabbar {
        display: flex;
      }

      .stats-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 22px 16px;
      }

      .aud-row {
        grid-template-columns: 50px 1fr;
        gap: 10px 14px;
      }

      .aud-tag {
        display: none;
      }

      .site-footer {
        padding-bottom: calc(32px + env(safe-area-inset-bottom));
      }
    }

    @media (max-width: 575.98px) {
      .banner-actions {
        width: 100%;
      }

      .banner-actions .btn {
        flex: 1;
        text-align: center;
        padding-left: 12px;
        padding-right: 12px;
      }

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

      .channel-item {
        align-items: flex-start;
        flex-wrap: wrap;
      }

      .channel-thumb {
        width: 100%;
        height: 0;
        padding-top: 42%;
      }

      .channel-go {
        position: absolute;
        right: 14px;
        top: 20px;
      }

      .channel-item {
        position: relative;
        padding-top: 12px;
      }

      .channel-info {
        width: calc(100% - 44px);
        flex: 1;
      }

      .channel-info strong {
        white-space: normal;
      }

      .aud-main h3 {
        font-size: 18px;
      }

      .flow-list li {
        padding-left: 66px;
      }

      .step-num {
        left: 14px;
        width: 36px;
        height: 36px;
        top: 22px;
      }

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