/* roulang page: index */
:root{
  --brand-deep:#0B6B5A;
  --brand-bright:#13C4A3;
  --accent:#F5A524;
  --pop:#F43F5E;
  --bg-base:#F7F5F2;
  --bg-dark:#0E1F1C;
  --text-strong:#1A1D1A;
  --text-muted:#5C6B63;
  --border-soft:#E2E8E2;
  --radius-sm:6px;
  --radius-md:12px;
  --radius-lg:20px;
  --shadow-soft:0 2px 12px rgba(15,35,30,.06);
  --shadow-hover:0 12px 40px -12px rgba(11,107,90,.18);
  --shadow-accent:0 8px 24px -6px rgba(245,165,36,.5);
  --font-cn:"Noto Sans SC","PingFang SC","Microsoft YaHei",sans-serif;
  --font-en:"Archivo","Inter",system-ui,sans-serif;
  --container-max:1200px;
  --section-space:100px;
  --header-h:72px;
  --ease:cubic-bezier(.25,.46,.45,.94);
}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  font-family:var(--font-cn);
  font-size:16px;
  line-height:1.8;
  color:var(--text-strong);
  background:var(--bg-base);
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block;height:auto}
a{color:var(--brand-deep);text-decoration:none;transition:color .25s var(--ease)}
a:hover{color:var(--accent)}
ul,ol{list-style:none}
button,input,textarea{font-family:inherit;font-size:inherit;border:none;outline:none;background:none}
.container{max-width:var(--container-max);margin:0 auto;padding:0 24px;width:100%}
.section{padding:var(--section-space) 0;position:relative}
.section-header{text-align:center;max-width:680px;margin:0 auto 56px}
.section-tag{display:inline-flex;align-items:center;gap:8px;background:rgba(19,196,163,.1);color:var(--brand-deep);font-size:13px;font-weight:600;padding:6px 16px;border-radius:999px;letter-spacing:.5px;margin-bottom:16px}
.section-tag::before{content:'';width:6px;height:6px;border-radius:50%;background:var(--brand-bright);animation:pulse 2s infinite}
.section-title{font-size:36px;line-height:1.3;font-weight:800;color:var(--text-strong);letter-spacing:-.01em}
.section-sub{font-size:16px;color:var(--text-muted);margin-top:12px;line-height:1.8}
@keyframes pulse{
  0%,100%{opacity:1;transform:scale(1)}
  50%{opacity:.5;transform:scale(.8)}
}
@keyframes fadeUp{
  from{opacity:0;transform:translateY(12px)}
  to{opacity:1;transform:translateY(0)}
}
@keyframes rotateSlow{
  from{transform:rotate(0deg)}
  to{transform:rotate(360deg)}
}
@keyframes spinBg{
  from{transform:rotate(0deg)}
  to{transform:rotate(360deg)}
}
/* ===== Header ===== */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:1000;
  height:var(--header-h);
  display:flex;align-items:center;
  background:transparent;
  transition:background .3s var(--ease), box-shadow .3s var(--ease), height .3s var(--ease);
}
.site-header.is-scrolled{
  background:rgba(255,255,255,.92);
  backdrop-filter:blur(12px);
  -webkit-backdrop-filter:blur(12px);
  box-shadow:0 1px 0 rgba(226,232,226,.8),0 4px 20px rgba(11,107,90,.05);
  height:62px;
}
.site-header .container{
  display:flex;align-items:center;justify-content:space-between;gap:24px;height:100%;
}
.header-left{display:flex;align-items:center;gap:36px;flex:1}
.brand{
  display:flex;align-items:center;gap:10px;
  flex-shrink:0;
}
.brand-icon{
  width:36px;height:36px;border-radius:10px;
  background:linear-gradient(135deg,var(--brand-deep),var(--brand-bright));
  display:flex;align-items:center;justify-content:center;
  color:#fff;font-size:16px;
  position:relative;overflow:hidden;
}
.brand-icon::after{
  content:'';position:absolute;width:8px;height:8px;border-radius:50%;
  background:var(--accent);top:4px;right:4px;opacity:.85;
}
.brand-name{
  font-size:20px;font-weight:800;color:var(--text-strong);
  letter-spacing:.02em;font-family:var(--font-cn);
  white-space:nowrap;
}
.brand-name span{color:var(--brand-deep)}
.main-nav{
  display:flex;align-items:center;gap:28px;
}
.main-nav .nav-link{
  font-size:15px;font-weight:500;color:var(--text-strong);
  position:relative;padding:6px 2px;transition:color .25s var(--ease);
  white-space:nowrap;
}
.main-nav .nav-link::after{
  content:'';position:absolute;bottom:-2px;left:0;
  width:0;height:2px;border-radius:2px;
  background:var(--brand-bright);transition:width .3s var(--ease);
}
.main-nav .nav-link:hover::after,.main-nav .nav-link.is-active::after{width:100%}
.main-nav .nav-link.is-active{
  color:var(--brand-deep);font-weight:700;
}
.main-nav .nav-link.is-active::before{
  content:'';display:inline-block;width:5px;height:5px;border-radius:50%;
  background:var(--brand-bright);margin-right:5px;vertical-align:middle;
}
.main-nav .nav-link:hover{color:var(--brand-deep)}
.header-right{
  display:flex;align-items:center;gap:16px;
}
.header-search{
  display:flex;align-items:center;gap:8px;
  background:rgba(255,255,255,.7);
  border:1px solid var(--border-soft);
  border-radius:999px;padding:6px 16px;
  transition:border-color .3s, box-shadow .3s, background .3s;
  min-width:180px;
}
.header-search:focus-within{
  border-color:var(--brand-bright);
  box-shadow:0 0 0 4px rgba(19,196,163,.15);
  background:#fff;
}
.header-search input{
  width:100%;font-size:13px;color:var(--text-strong);
  border:none;outline:none;background:transparent;
}
.header-search input::placeholder{color:var(--text-muted);opacity:.7}
.header-search .search-icon{color:var(--text-muted);font-size:13px}
.header-actions{display:flex;align-items:center;gap:12px}
.header-link{
  font-size:14px;font-weight:600;color:var(--brand-deep);
  padding:8px 4px;transition:color .2s;
}
.header-link:hover{color:var(--accent)}
.header-btn{
  display:inline-flex;align-items:center;gap:6px;
  background:var(--accent);color:#1A1D1A;
  font-size:14px;font-weight:700;
  padding:9px 20px;border-radius:6px;
  transition:all .25s var(--ease);
  box-shadow:0 2px 8px rgba(245,165,36,.3);
  border:none;cursor:pointer;
}
.header-btn:hover{
  transform:translateY(-2px);
  box-shadow:var(--shadow-accent);
  background:#e0961d;color:#1A1D1A;
}
.header-btn:focus-visible,.nav-toggle:focus-visible{
  outline:2px solid var(--brand-deep);outline-offset:2px;
}
.nav-toggle{
  display:none;width:44px;height:44px;
  align-items:center;justify-content:center;
  cursor:pointer;border-radius:6px;
  transition:background .2s;
}
.nav-toggle:hover{background:rgba(11,107,90,.08)}
.nav-toggle i{font-size:20px;color:var(--text-strong)}
/* 移动端抽屉 */
.drawer-overlay{
  display:none;position:fixed;inset:0;background:rgba(14,31,28,.5);
  z-index:1099;opacity:0;transition:opacity .3s var(--ease);
}
.drawer-overlay.is-open{display:block;opacity:1}
.drawer-menu{
  position:fixed;top:0;right:-300px;width:300px;height:100%;
  background:var(--bg-base);z-index:1100;
  transition:right .35s var(--ease);
  display:flex;flex-direction:column;
  box-shadow:-4px 0 24px rgba(15,35,30,.1);
}
.drawer-menu.is-open{right:0}
.drawer-menu-header{
  display:flex;align-items:center;justify-content:space-between;
  padding:20px;border-bottom:1px solid var(--border-soft);
}
.drawer-menu-header .brand{font-size:16px}
.drawer-close{
  width:44px;height:44px;display:flex;align-items:center;justify-content:center;
  font-size:22px;color:var(--text-muted);cursor:pointer;border-radius:6px;
}
.drawer-close:hover{background:rgba(11,107,90,.06);color:var(--brand-deep)}
.drawer-nav{flex:1;padding:12px 0;overflow-y:auto}
.drawer-nav .d-link{
  display:block;padding:14px 24px;font-size:15px;font-weight:500;
  color:var(--text-strong);border-bottom:1px solid var(--border-soft);
  transition:background .2s,color .2s;
}
.drawer-nav .d-link:hover,.drawer-nav .d-link.is-active{
  background:rgba(19,196,163,.08);color:var(--brand-deep);font-weight:700;
}
.drawer-bottom{padding:20px;border-top:1px solid var(--border-soft)}
.drawer-bottom .header-btn{width:100%;justify-content:center;padding:12px}
/* ===== Hero ===== */
.hero{
  min-height:100vh;
  display:flex;align-items:center;
  position:relative;
  padding-top:var(--header-h);
  background:var(--bg-base);
  overflow:hidden;
}
.hero-bg{
  position:absolute;inset:0;z-index:0;
  background-image:url('/assets/images/backpic/back-1.webp');
  background-size:cover;background-position:center 30%;
  opacity:.08;
}
.hero-bg::after{
  content:'';position:absolute;inset:0;
  background:linear-gradient(90deg,var(--bg-base) 20%,rgba(247,245,242,.88) 55%,rgba(247,245,242,.45) 100%);
}
.hero .container{
  position:relative;z-index:2;
  display:flex;align-items:center;gap:60px;
  min-height:calc(100vh - var(--header-h));
  padding-top:40px;padding-bottom:60px;
}
.hero-content{
  flex:1 1 55%;max-width:640px;
}
.hero-visual{
  flex:1 1 45%;
  position:relative;
  animation:fadeUp .7s var(--ease) .5s both;
}
.hero-badge{
  display:inline-flex;align-items:center;gap:10px;
  background:#fff;
  border:1px solid var(--border-soft);
  padding:8px 20px;border-radius:999px;
  font-size:13px;font-weight:600;color:var(--brand-deep);
  box-shadow:var(--shadow-soft);
  margin-bottom:28px;
  animation:fadeUp .6s var(--ease) 0s both;
}
.hero-badge::before{
  content:'';width:8px;height:8px;border-radius:50%;
  background:var(--brand-bright);animation:pulse 2s infinite;
}
.hero h1{
  font-size:56px;font-weight:800;line-height:1.15;
  color:var(--text-strong);letter-spacing:-.02em;
  margin-bottom:20px;
  animation:fadeUp .6s var(--ease) .08s both;
}
.hero h1 .highlight{
  color:var(--brand-deep);
  position:relative;
}
.hero h1 .highlight::after{
  content:'';position:absolute;left:0;right:0;bottom:4px;
  height:8px;background:rgba(245,165,36,.3);z-index:-1;border-radius:4px;
}
.hero-desc{
  font-size:17px;line-height:1.9;
  color:var(--text-muted);
  max-width:460px;margin-bottom:32px;
  animation:fadeUp .6s var(--ease) .16s both;
}
.hero-actions{
  display:flex;align-items:center;gap:16px;flex-wrap:wrap;
  margin-bottom:36px;
  animation:fadeUp .6s var(--ease) .24s both;
}
.btn{
  display:inline-flex;align-items:center;gap:8px;
  font-size:15px;font-weight:600;
  padding:13px 30px;border-radius:6px;
  cursor:pointer;transition:all .25s var(--ease);
  border:none;text-decoration:none;
}
.btn-primary{
  background:var(--accent);color:#1A1D1A;
  box-shadow:0 4px 14px rgba(245,165,36,.35);
}
.btn-primary:hover{
  background:#e0961d;color:#1A1D1A;
  transform:translateY(-2px);
  box-shadow:var(--shadow-accent);
}
.btn-secondary{
  background:transparent;color:var(--brand-deep);
  border:1.5px solid var(--brand-deep);
  padding:11.5px 28px;
}
.btn-secondary:hover{
  background:rgba(11,107,90,.05);
  transform:translateY(-2px);
}
.btn-dark{
  background:var(--bg-dark);color:#fff;
}
.btn-dark:hover{background:#1a3029;color:#fff;transform:translateY(-2px)}
.hero-trust{
  display:flex;gap:28px;flex-wrap:wrap;
  animation:fadeUp .6s var(--ease) .32s both;
}
.trust-item{
  display:flex;align-items:center;gap:10px;
  font-size:13px;color:var(--text-muted);
}
.trust-item i{
  color:var(--brand-bright);font-size:16px;
}
.hero-viz-card{
  border-radius:var(--radius-lg);
  overflow:hidden;
  box-shadow:var(--shadow-hover);
  position:relative;
  background:var(--bg-dark);
}
.hero-viz-card img{
  width:100%;height:480px;object-fit:cover;
}
.hero-viz-card::before{
  content:'';position:absolute;inset:0;
  background:linear-gradient(200deg,transparent 40%,rgba(14,31,28,.4));
  z-index:1;
}
.score-card{
  position:absolute;top:24px;left:-20px;z-index:3;
  background:#fff;border-radius:var(--radius-md);
  padding:16px 20px;
  box-shadow:var(--shadow-hover);
  display:flex;align-items:center;gap:14px;
  animation:fadeUp .6s var(--ease) .6s both;
}
.score-card .score-ico{
  width:40px;height:40px;border-radius:10px;
  background:rgba(19,196,163,.12);color:var(--brand-deep);
  display:flex;align-items:center;justify-content:center;font-size:18px;
}
.score-card .score-txt{line-height:1.3}
.score-card .score-txt strong{font-size:15px;display:block}
.score-card .score-txt span{font-size:11px;color:var(--text-muted)}
.live-ring{
  position:absolute;bottom:24px;right:-16px;z-index:3;
  display:flex;align-items:center;gap:12px;
  background:rgba(255,255,255,.95);
  backdrop-filter:blur(8px);
  border-radius:var(--radius-md);
  padding:12px 18px;
  box-shadow:var(--shadow-hover);
}
.ring-wrapper{
  position:relative;width:42px;height:42px;
}
.ring-wrapper .ring{
  position:absolute;inset:0;border-radius:50%;
  border:3px solid var(--border-soft);
  border-top-color:var(--accent);
  animation:spinBg 4s linear infinite;
}
.ring-wrapper .ring-dot{
  position:absolute;top:50%;left:50%;width:8px;height:8px;
  background:var(--brand-bright);border-radius:50%;transform:translate(-50%,-50%);
}
.live-ring .ring-txt{line-height:1.3}
.live-ring .ring-txt strong{font-size:13px;color:var(--text-strong)}
.live-ring .ring-txt span{font-size:10px;color:var(--text-muted)}
.hero-accent-line{
  position:absolute;bottom:-8px;right:30px;
  width:120px;height:3px;border-radius:3px;
  background:var(--accent);z-index:2;
}
.scroll-hint{
  position:absolute;bottom:24px;left:50%;transform:translateX(-50%);
  z-index:2;display:flex;flex-direction:column;align-items:center;
  color:var(--text-muted);font-size:12px;letter-spacing:1px;
  animation:floatDown 2s infinite;
}
.scroll-hint i{font-size:16px;margin-top:4px;color:var(--brand-bright)}
@keyframes floatDown{
  0%,100%{transform:translate(-50%,0)}
  50%{transform:translate(-50%,8px)}
}
/* ===== 信任指标条 ===== */
.stats-bar{
  background:var(--bg-dark);
  padding:48px 0;
  color:#fff;
  position:relative;overflow:hidden;
}
.stats-bar::before{
  content:'';position:absolute;width:400px;height:400px;border-radius:50%;
  background:radial-gradient(circle,rgba(19,196,163,.15),transparent 70%);
  top:-200px;right:-100px;
}
.stats-grid{
  display:flex;justify-content:space-around;flex-wrap:wrap;gap:30px;
  position:relative;z-index:2;
}
.stat-item{text-align:center;padding:0 20px}
.stat-num{
  font-family:var(--font-en);font-size:40px;font-weight:800;
  color:var(--brand-bright);line-height:1.2;
  position:relative;
}
.stat-num::after{
  content:'';display:block;width:28px;height:2px;
  background:var(--accent);margin:8px auto 0;
}
.stat-label{
  font-size:14px;color:rgba(255,255,255,.6);margin-top:10px;
}
/* ===== 服务卡片区 ===== */
.feature-section{
  background:var(--bg-base);
}
.feature-grid{
  display:flex;flex-wrap:wrap;
  margin:-12px;
}
.feature-card{
  padding:12px;
}
.feature-card-main{
  background:linear-gradient(135deg,var(--bg-dark) 0%,#15352e 100%);
  border-radius:var(--radius-lg);
  padding:36px;
  height:100%;
  display:flex;flex-direction:column;
  position:relative;overflow:hidden;
  transition:transform .3s var(--ease),box-shadow .3s var(--ease);
}
.feature-card-main::before{
  content:'';position:absolute;top:-60px;right:-60px;width:200px;height:200px;
  background:radial-gradient(circle,rgba(19,196,163,.2),transparent 65%);
  border-radius:50%;
}
.feature-card-main:hover{
  transform:translateY(-4px);
  box-shadow:var(--shadow-hover);
}
.fc-icon{
  width:52px;height:52px;border-radius:14px;
  background:rgba(255,255,255,.12);
  display:flex;align-items:center;justify-content:center;
  font-size:22px;color:var(--accent);
  margin-bottom:24px;
}
.fc-icon.green{color:var(--brand-bright)}
.fc-title{
  font-size:22px;font-weight:800;color:#fff;
  line-height:1.4;margin-bottom:14px;
}
.fc-desc{
  font-size:15px;color:rgba(255,255,255,.7);
  line-height:1.8;margin-bottom:24px;flex:1;
}
.fc-btn{
  display:inline-flex;align-items:center;gap:8px;
  color:var(--brand-bright);font-size:14px;font-weight:600;
  transition:gap .25s var(--ease);
}
.fc-btn:hover{color:var(--accent);gap:12px}
.feature-card-sm{
  background:#fff;
  border-radius:var(--radius-lg);
  padding:32px;
  height:100%;
  display:flex;flex-direction:column;
  border:1px solid rgba(226,232,226,.6);
  transition:transform .25s var(--ease),box-shadow .25s var(--ease);
  position:relative;
}
.feature-card-sm:hover{
  transform:translateY(-4px);
  box-shadow:var(--shadow-hover);
  border-color:rgba(19,196,163,.3);
}
.feature-card-sm .fc-thumb{
  border-radius:var(--radius-md);overflow:hidden;
  margin-bottom:20px;
  height:130px;
}
.feature-card-sm .fc-thumb img{
  width:100%;height:100%;object-fit:cover;
  transition:transform .35s var(--ease);
}
.feature-card-sm:hover .fc-thumb img{transform:scale(1.04)}
.feature-card-sm .fc-icon-sm{
  width:38px;height:38px;border-radius:10px;
  background:rgba(11,107,90,.1);color:var(--brand-deep);
  display:flex;align-items:center;justify-content:center;
  font-size:17px;margin-bottom:14px;
}
.feature-card-sm .fc-title-sm{font-size:18px;font-weight:700;color:var(--text-strong);margin-bottom:8px}
.feature-card-sm .fc-desc-sm{font-size:13px;color:var(--text-muted);line-height:1.7;flex:1}
.feature-banner{
  background:#fff;border-radius:var(--radius-lg);
  padding:28px 36px;
  display:flex;align-items:center;gap:24px;flex-wrap:wrap;
  border:1px solid var(--border-soft);
  position:relative;overflow:hidden;
  transition:box-shadow .25s var(--ease);
}
.feature-banner:hover{box-shadow:var(--shadow-hover)}
.feature-banner::before{
  content:'';position:absolute;left:0;top:0;bottom:0;width:4px;
  background:linear-gradient(var(--brand-bright),var(--accent));
}
.fb-icon{
  width:48px;height:48px;border-radius:12px;
  background:rgba(245,165,36,.12);color:var(--accent);
  display:flex;align-items:center;justify-content:center;
  font-size:20px;flex-shrink:0;
}
.fb-content{flex:1;min-width:200px}
.fb-content strong{font-size:17px;display:block;margin-bottom:4px;color:var(--text-strong)}
.fb-content p{font-size:14px;color:var(--text-muted);line-height:1.6}
.fb-btn{
  font-size:14px;font-weight:600;color:var(--brand-deep);
  border:1.5px solid var(--brand-deep);border-radius:6px;
  padding:8px 20px;transition:all .25s var(--ease);
  background:transparent;
}
.fb-btn:hover{background:var(--brand-deep);color:#fff}
/* 信息列表 */
.cms-section{
  background:#fff;
}
.cms-grid{
  display:flex;flex-wrap:wrap;margin:-12px;
}
.cms-card{
  padding:12px; width:100%;
}
.cms-card-inner{
  display:flex;gap:20px;
  background:#fff;border-radius:var(--radius-md);
  padding:20px;border:1px solid var(--border-soft);
  transition:all .25s var(--ease);
  align-items:center;
  height:100%;
}
.cms-card-inner:hover{
  border-color:rgba(19,196,163,.4);
  box-shadow:var(--shadow-hover);
  transform:translateX(4px);
}
.cms-thumb{
  width:140px;height:100px;flex-shrink:0;border-radius:var(--radius-sm);
  overflow:hidden;
}
.cms-thumb img{
  width:100%;height:100%;object-fit:cover;
  transition:transform .3s var(--ease);
}
.cms-card-inner:hover .cms-thumb img{transform:scale(1.06)}
.cms-body{flex:1;min-width:0}
.cms-cat{
  display:inline-block;
  background:rgba(11,107,90,.1);color:var(--brand-deep);
  font-size:12px;font-weight:600;
  padding:2px 12px;border-radius:999px;
  margin-bottom:8px;
}
.cms-title{
  font-size:17px;font-weight:700;color:var(--text-strong);
  line-height:1.5;margin-bottom:6px;
  overflow:hidden;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;
}
.cms-excerpt{
  font-size:13px;color:var(--text-muted);
  line-height:1.6;overflow:hidden;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;
  margin-bottom:8px;
}
.cms-meta{
  display:flex;align-items:center;gap:14px;
  font-size:12px;color:#9BA69E;
}
.cms-meta i{font-size:11px;margin-right:4px}
.cms-empty{
  background:var(--bg-base);border-radius:var(--radius-md);
  border:1px dashed var(--border-soft);
  padding:40px;text-align:center;color:var(--text-muted);
  font-size:14px;
}
.view-all{
  display:inline-flex;align-items:center;gap:8px;
  font-size:14px;font-weight:600;color:var(--brand-deep);
  margin-top:32px;transition:gap .25s var(--ease);
}
.view-all:hover{color:var(--accent);gap:12px}
/* 评价轮播 */
.testimonial-section{
  background:var(--bg-base);
  position:relative;
  overflow:hidden;
}
.testimonial-section::before{
  content:'“';position:absolute;top:40px;left:40px;
  font-size:240px;line-height:1;color:rgba(19,196,163,.08);
  font-family:Georgia,serif;
}
.t-slider{
  position:relative;
  max-width:800px;margin:0 auto;
}
.t-track{
  display:flex;transition:transform .45s var(--ease);
}
.t-slide{
  min-width:100%;padding:0 12px;
}
.t-card{
  background:#fff;border-radius:var(--radius-lg);
  padding:44px 48px;text-align:center;
  box-shadow:var(--shadow-soft);
  border:1px solid var(--border-soft);
}
.t-quote-icon{
  font-size:28px;color:var(--brand-bright);margin-bottom:16px;
}
.t-text{
  font-size:17px;line-height:1.9;color:var(--text-strong);
  margin-bottom:24px;
}
.t-author{
  display:flex;align-items:center;justify-content:center;gap:12px;
}
.t-avatar{
  width:42px;height:42px;border-radius:50%;
  background:linear-gradient(135deg,var(--brand-deep),var(--brand-bright));
  display:flex;align-items:center;justify-content:center;
  color:#fff;font-weight:700;font-size:15px;
}
.t-author-info{text-align:left}
.t-author-info strong{font-size:14px;display:block;color:var(--text-strong)}
.t-author-info span{font-size:12px;color:var(--text-muted)}
.t-controls{
  display:flex;align-items:center;justify-content:center;gap:20px;
  margin-top:28px;
}
.t-arrow{
  width:40px;height:40px;border-radius:50%;
  border:1.5px solid var(--border-soft);
  display:flex;align-items:center;justify-content:center;
  cursor:pointer;color:var(--brand-deep);
  font-size:14px;transition:all .25s var(--ease);
  background:#fff;
}
.t-arrow:hover{background:var(--brand-deep);color:#fff;border-color:var(--brand-deep)}
.t-dots{display:flex;gap:8px}
.t-dot{
  width:8px;height:8px;border-radius:50%;
  background:rgba(92,107,99,.25);
  cursor:pointer;transition:all .25s var(--ease);
}
.t-dot.is-active{background:var(--accent);width:24px;border-radius:999px}
/* 保障区 */
.security-section{
  background:var(--bg-dark);
  color:#fff;
  position:relative;overflow:hidden;
}
.security-section::before{
  content:'';position:absolute;bottom:-200px;left:-100px;
  width:400px;height:400px;border-radius:50%;
  background:radial-gradient(circle,rgba(245,165,36,.1),transparent 70%);
}
.security-grid{
  display:flex;flex-wrap:wrap;margin:-12px;position:relative;z-index:2;
}
.security-item{
  padding:12px;
}
.security-card{
  background:rgba(255,255,255,.04);
  border:1px solid rgba(255,255,255,.08);
  border-radius:var(--radius-md);
  padding:32px 28px;
  height:100%;
  transition:all .25s var(--ease);
  text-align:center;
}
.security-card:hover{
  background:rgba(255,255,255,.08);
  border-color:rgba(19,196,163,.4);
  transform:translateY(-3px);
}
.security-card i{
  font-size:28px;color:var(--brand-bright);
  margin-bottom:16px;display:block;
  transition:color .25s;
}
.security-card:hover i{color:var(--accent)}
.security-card h3{font-size:17px;font-weight:700;margin-bottom:10px}
.security-card p{font-size:13px;color:rgba(255,255,255,.6);line-height:1.7}
/* FAQ */
.faq-section{background:var(--bg-base)}
.faq-list{max-width:780px;margin:0 auto}
.faq-item{
  background:#fff;border-radius:var(--radius-md);
  border:1px solid var(--border-soft);
  margin-bottom:12px;overflow:hidden;
  transition:box-shadow .25s var(--ease);
}
.faq-item:hover{box-shadow:var(--shadow-soft)}
.faq-item.is-active{border-color:rgba(19,196,163,.4)}
.faq-q{
  display:flex;align-items:center;justify-content:space-between;
  padding:22px 28px;cursor:pointer;
  font-size:16px;font-weight:600;color:var(--text-strong);
  transition:color .2s;
}
.faq-q:hover{color:var(--brand-deep)}
.faq-q .faq-icon{
  width:28px;height:28px;border-radius:50%;
  border:1px solid var(--border-soft);
  display:flex;align-items:center;justify-content:center;
  font-size:14px;flex-shrink:0;transition:all .3s var(--ease);
  color:var(--brand-deep);
}
.faq-item.is-active .faq-icon{
  background:var(--brand-deep);color:#fff;border-color:var(--brand-deep);
  transform:rotate(45deg);
}
.faq-a{
  max-height:0;overflow:hidden;
  transition:max-height .35s var(--ease);
}
.faq-a p{
  padding:0 28px 22px;font-size:14px;color:var(--text-muted);line-height:1.9;
}
/* CTA */
.cta-section{
  background:var(--bg-dark);
  padding:100px 0;
  position:relative;overflow:hidden;
  text-align:center;
}
.cta-section::before{
  content:'';position:absolute;top:-150px;right:-150px;
  width:400px;height:400px;border-radius:50%;
  background:radial-gradient(circle,rgba(19,196,163,.25),transparent 65%);
}
.cta-section::after{
  content:'';position:absolute;bottom:-120px;left:-100px;
  width:300px;height:300px;border-radius:50%;
  background:radial-gradient(circle,rgba(245,165,36,.15),transparent 65%);
}
.cta-inner{
  position:relative;z-index:2;
  max-width:700px;margin:0 auto;
}
.cta-tag{
  display:inline-block;
  background:rgba(19,196,163,.15);color:var(--brand-bright);
  font-size:13px;font-weight:600;
  padding:6px 18px;border-radius:999px;
  margin-bottom:20px;
}
.cta-inner h2{
  font-size:38px;font-weight:800;color:#fff;
  line-height:1.3;margin-bottom:18px;
}
.cta-inner p{
  font-size:16px;color:rgba(255,255,255,.65);
  line-height:1.8;margin-bottom:36px;
}
.cta-actions{
  display:flex;justify-content:center;gap:16px;flex-wrap:wrap;
}
.cta-actions .btn-primary{
  box-shadow:var(--shadow-accent);
}
.cta-actions .btn-line{
  background:transparent;color:#fff;
  border:1.5px solid rgba(255,255,255,.5);
  padding:13px 30px;border-radius:6px;
  font-size:15px;font-weight:600;
  display:inline-flex;align-items:center;gap:8px;
  cursor:pointer;transition:all .25s var(--ease);
}
.cta-actions .btn-line:hover{border-color:var(--accent);color:var(--accent);transform:translateY(-2px)}
.cta-note{
  margin-top:30px;font-size:12px;color:rgba(255,255,255,.45);
  display:flex;justify-content:center;gap:20px;flex-wrap:wrap;
}
.cta-note span{display:flex;align-items:center;gap:6px}
.cta-note i{color:var(--brand-bright);font-size:11px}
/* SEO 文本区 */
.seo-text-section{background:#fff;padding:70px 0}
.seo-text-wrap{
  max-width:860px;margin:0 auto;
  border-left:3px solid var(--brand-bright);
  padding-left:28px;
}
.seo-text-wrap h2{
  font-size:22px;font-weight:800;color:var(--text-strong);
  margin-bottom:16px;
}
.seo-text-wrap p{
  font-size:15px;color:var(--text-muted);
  line-height:2;margin-bottom:16px;
  text-align:justify;
}
.seo-text-wrap p:last-child{margin-bottom:0}
/* 页脚 */
.site-footer{
  background:var(--bg-dark);
  color:rgba(255,255,255,.7);
  padding:70px 0 0;
}
.footer-grid{
  display:flex;flex-wrap:wrap;
  margin-bottom:50px;
}
.footer-col{padding:0 20px;margin-bottom:30px}
.footer-brand{flex-basis:100%;max-width:360px}
.footer-nav-col{flex:1 1 15%;min-width:120px}
.footer-brand .brand-name{color:#fff;font-size:22px;margin-bottom:8px;display:block}
.footer-brand .brand-name span{color:var(--brand-bright)}
.footer-desc{
  font-size:14px;line-height:1.8;
  color:rgba(255,255,255,.5);
  margin:16px 0 24px;
}
.footer-social{
  display:flex;gap:10px;
}
.footer-social a{
  width:36px;height:36px;border-radius:50%;
  border:1px solid rgba(255,255,255,.15);
  display:flex;align-items:center;justify-content:center;
  color:rgba(255,255,255,.6);font-size:14px;
  transition:all .25s var(--ease);
}
.footer-social a:hover{
  border-color:var(--accent);color:var(--accent);
  transform:translateY(-3px);
}
.footer-col h3{
  font-size:15px;font-weight:700;color:#fff;
  margin-bottom:20px;letter-spacing:.02em;
}
.footer-col ul li{margin-bottom:12px}
.footer-col ul li a{
  font-size:14px;color:rgba(255,255,255,.55);
  transition:color .2s ease;
  position:relative;
  display:inline-block;
}
.footer-col ul li a::after{
  content:'';position:absolute;left:0;bottom:-2px;
  width:0;height:1px;background:var(--accent);
  transition:width .2s var(--ease);
}
.footer-col ul li a:hover{color:var(--accent)}
.footer-col ul li a:hover::after{width:100%}
.footer-contact li{
  display:flex;align-items:center;gap:10px;
  font-size:14px;color:rgba(255,255,255,.5);
}
.footer-contact li i{width:16px;color:var(--brand-bright);font-size:13px}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.08);
  padding:22px 0;
  text-align:center;
  font-size:13px;
  color:rgba(255,255,255,.4);
}
.footer-bottom a{color:rgba(255,255,255,.5)}
.footer-bottom a:hover{color:var(--accent)}
/* 焦点可见性 */
a:focus-visible,button:focus-visible,input:focus-visible{
  outline:2px solid var(--brand-deep);
  outline-offset:2px;
}
/* 移动端响应式 */
@media (max-width:1024px){
  :root{--section-space:75px}
  .main-nav{display:none}
  .header-search{display:none}
  .nav-toggle{display:flex}
  .hero .container{
    flex-direction:column;
    gap:40px;
    min-height:auto;
    padding-top:30px;padding-bottom:40px;
  }
  .hero-content{max-width:100%;text-align:center}
  .hero-desc{margin-left:auto;margin-right:auto}
  .hero-actions,.hero-trust{justify-content:center}
  .hero h1{font-size:38px}
  .hero-viz-card img{height:360px}
  .score-card{left:8px}
  .live-ring{right:8px}
  .feature-card-main{min-height:280px}
  .stats-bar .stat-num{font-size:30px}
}
@media (max-width:640px){
  :root{--section-space:60px;--header-h:64px}
  .container{padding:0 16px}
  .hero{padding-top:var(--header-h)}
  .hero h1{font-size:32px;letter-spacing:-.01em}
  .hero-desc{font-size:15px}
  .hero-viz-card img{height:280px}
  .hero-actions .btn{width:100%;justify-content:center}
  .hero-trust{gap:14px;justify-content:center}
  .score-card{padding:12px 14px;top:12px}
  .score-card .score-ico{width:32px;height:32px;font-size:14px}
  .live-ring{padding:10px 12px;bottom:12px;gap:8px}
  .ring-wrapper{width:32px;height:32px}
  .section-title{font-size:28px}
  .section-header{margin-bottom:36px}
  .hero-badge{margin-bottom:18px;padding:6px 14px}
  .stats-bar{padding:36px 0}
  .stat-item{flex-basis:50%}
  .stat-num{font-size:24px}
  .feature-card{padding:8px}
  .feature-grid{margin:-8px}
  .feature-card-main{padding:24px}
  .feature-card-sm{padding:22px}
  .feature-banner{padding:20px;flex-direction:column;text-align:center}
  .fb-btn{width:100%}
  .cms-card{padding:8px}
  .cms-card-inner{flex-direction:column;align-items:flex-start;padding:16px}
  .cms-thumb{width:100%;height:160px}
  .t-card{padding:30px 20px}
  .t-text{font-size:15px}
  .cta-inner h2{font-size:28px}
  .cta-actions .btn{width:100%;justify-content:center}
  .cta-note{flex-direction:column;gap:8px}
  .faq-q{padding:18px 16px;font-size:14px}
  .faq-a p{padding:0 16px 20px}
  .footer-col{
    flex-basis:100%;max-width:100%;
    padding:0;margin-bottom:30px;
  }
  .footer-grid{padding:0 16px;display:block}
  .footer-bottom{padding:20px 16px;font-size:12px;line-height:1.7}
  .seo-text-wrap{padding-left:18px;border-left-width:2px}
  .seo-text-wrap h2{font-size:18px}
  .seo-text-wrap p{font-size:14px}
  .hero-viz-card{
    margin-left:8px;margin-right:8px;
  }
  .score-card,.live-ring{max-width:180px}
  .t-arrow{width:34px;height:34px}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{
    animation-duration:.01ms !important;
    animation-iteration-count:1 !important;
    transition-duration:.01ms !important;
  }
  html{scroll-behavior:auto}
}

/* roulang page: category1 */
:root{
  --brand-deep:#0B6B5A;
  --brand-bright:#13C4A3;
  --accent:#F5A524;
  --pop:#F43F5E;
  --bg-base:#F7F5F2;
  --bg-dark:#0E1F1C;
  --text-strong:#1A1D1A;
  --text-muted:#5C6B63;
  --border-soft:#E2E8E2;
  --radius-sm:6px;
  --radius-md:12px;
  --radius-lg:20px;
  --radius-pill:999px;
  --shadow-card:0 2px 12px rgba(15,35,30,.06);
  --shadow-hover:0 12px 40px -12px rgba(11,107,90,.18);
  --shadow-cta:0 8px 24px -6px rgba(245,165,36,.5);
  --space-section:90px;
  --font-cn:"Noto Sans SC","PingFang SC","Microsoft YaHei",system-ui,sans-serif;
  --font-en:"Archivo","Inter",system-ui,sans-serif;
}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  font-family:var(--font-cn);
  font-size:16px;
  line-height:1.8;
  color:var(--text-strong);
  background:var(--bg-base);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;height:auto;display:block}
a{color:inherit;text-decoration:none;transition:color .25s ease}
a:focus-visible,button:focus-visible,input:focus-visible{
  outline:2px solid var(--brand-deep);
  outline-offset:2px;
}
ul{list-style:none}
.container{max-width:1200px;margin:0 auto;padding:0 24px}
.section-pad{padding:var(--space-section) 0}
::selection{background:rgba(19,196,163,.25)}
a[href*="//"]:not(.brand):not(.nav-link):not(.footer-bottom a){color:var(--brand-deep)}
a[href*="//"]:hover{color:var(--brand-bright)}

/* ===== Header ===== */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:100;
  height:72px;
  background:transparent;
  transition:background .3s ease,box-shadow .3s ease,height .3s ease;
}
.site-header.is-scrolled{
  background:rgba(247,245,242,.95);
  backdrop-filter:blur(12px);
  -webkit-backdrop-filter:blur(12px);
  box-shadow:0 1px 0 var(--border-soft);
  height:64px;
  border-bottom:1px solid var(--border-soft);
}
.site-header .container{
  display:flex;align-items:center;justify-content:space-between;
  height:100%;gap:20px;
}
.header-left{display:flex;align-items:center;gap:28px;flex:1;min-width:0}
.brand{display:flex;align-items:center;gap:10px;flex-shrink:0}
.brand-icon{
  width:38px;height:38px;border-radius:50%;
  background:var(--brand-deep);
  display:flex;align-items:center;justify-content:center;
  color:var(--accent);font-size:16px;
  box-shadow:0 4px 12px rgba(11,107,90,.3);
}
.brand-name{
  font-weight:900;font-size:18px;color:var(--text-strong);
  letter-spacing:-.2px;white-space:nowrap;
}
.brand-name span{color:var(--brand-deep);font-weight:700}
.main-nav{display:flex;align-items:center;gap:4px}
.nav-link{
  position:relative;padding:8px 14px;font-size:15px;font-weight:500;
  color:var(--text-muted);border-radius:var(--radius-sm);transition:color .25s;
}
.nav-link::after{
  content:"";position:absolute;left:14px;right:14px;bottom:2px;height:2px;
  background:var(--brand-bright);border-radius:2px;
  transform:scaleX(0);transform-origin:left;transition:transform .25s ease;
}
.nav-link:hover{color:var(--brand-deep)}
.nav-link:hover::after{transform:scaleX(1)}
.nav-link.is-active{color:var(--brand-deep);font-weight:700}
.nav-link.is-active::after{transform:scaleX(1);background:var(--brand-deep)}
.header-right{display:flex;align-items:center;gap:14px}
.header-search{
  display:flex;align-items:center;gap:8px;
  background:rgba(255,255,255,.7);
  border:1.5px solid var(--border-soft);
  border-radius:var(--radius-pill);
  padding:0 14px;height:38px;
  transition:border-color .25s,box-shadow .25s;
}
.header-search:focus-within{
  border-color:var(--brand-bright);
  box-shadow:0 0 0 4px rgba(19,196,163,.15);
}
.header-search .search-icon{color:var(--text-muted);font-size:14px}
.header-search input{
  border:none;background:transparent;outline:none;
  font-size:14px;width:140px;color:var(--text-strong);
  font-family:var(--font-cn);
}
.header-actions{display:flex;align-items:center;gap:10px}
.header-link{
  font-size:14px;font-weight:600;color:var(--brand-deep);
  padding:8px 12px;border-radius:var(--radius-sm);transition:background .25s;
}
.header-link:hover{background:rgba(11,107,90,.08)}
.header-btn{
  display:flex;align-items:center;gap:6px;
  background:var(--accent);color:#1A1D1A;
  font-size:14px;font-weight:700;padding:0 20px;height:40px;
  border-radius:var(--radius-sm);
  box-shadow:var(--shadow-cta);
  transition:transform .25s ease,box-shadow .25s ease,background .25s;
}
.header-btn:hover{
  background:#e0910d;transform:translateY(-2px);
  box-shadow:0 12px 30px -6px rgba(245,165,36,.6);
}
.nav-toggle{
  display:none;background:none;border:none;
  font-size:22px;color:var(--text-strong);
  width:44px;height:44px;border-radius:var(--radius-sm);
  cursor:pointer;align-items:center;justify-content:center;
}

/* ===== Hero ===== */
.cat-hero{
  position:relative;
  min-height:680px;height:92vh;
  display:flex;align-items:center;
  background:
    linear-gradient(100deg,rgba(14,31,28,.92) 30%,rgba(14,31,28,.65) 70%,rgba(14,31,28,.4)),
    url('/assets/images/backpic/back-1.webp') center/cover no-repeat;
  color:#fff;
  overflow:hidden;
  padding-top:72px;
}
.cat-hero::after{
  content:"";position:absolute;bottom:0;right:0;width:420px;height:420px;
  background:radial-gradient(circle,rgba(19,196,163,.25),transparent 70%);
  pointer-events:none;
}
.hero-inner{
  position:relative;z-index:2;
  display:grid;grid-template-columns:1.15fr .85fr;gap:48px;
  align-items:center;width:100%;
}
.hero-badge{
  display:inline-flex;align-items:center;gap:8px;
  background:rgba(19,196,163,.15);
  border:1px solid rgba(19,196,163,.4);
  border-radius:var(--radius-pill);
  padding:6px 18px;font-size:13px;font-weight:600;color:var(--brand-bright);
  margin-bottom:24px;
}
.hero-badge .dot{
  width:7px;height:7px;border-radius:50%;background:var(--brand-bright);
  animation:pulse 1.6s ease infinite;
}
@keyframes pulse{0%,100%{opacity:1;transform:scale(1)}50%{opacity:.4;transform:scale(.75)}}
.cat-hero h1{
  font-size:clamp(38px,6vw,56px);
  font-weight:900;line-height:1.15;margin-bottom:22px;
  letter-spacing:-1px;
}
.cat-hero h1 .accent-text{color:var(--accent)}
.hero-sub{
  font-size:17px;line-height:1.8;color:rgba(255,255,255,.82);
  max-width:520px;margin-bottom:34px;
}
.hero-btn-row{display:flex;gap:14px;flex-wrap:wrap}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  font-size:15px;font-weight:700;padding:0 28px;height:48px;
  border-radius:var(--radius-sm);cursor:pointer;
  transition:transform .25s ease,box-shadow .25s ease,background .25s,border-color .25s;
  border:1.5px solid transparent;
}
.btn-primary{background:var(--accent);color:#1A1D1A;box-shadow:var(--shadow-cta)}
.btn-primary:hover{background:#e0910d;transform:translateY(-2px);box-shadow:0 14px 34px -6px rgba(245,165,36,.55)}
.btn-outline{background:transparent;color:#fff;border-color:rgba(255,255,255,.55)}
.btn-outline:hover{background:rgba(255,255,255,.12);border-color:#fff;transform:translateY(-2px)}
.btn-outline-light{background:rgba(255,255,255,0.08);color:#fff;border-color:rgba(255,255,255,.35)}
.hero-meta{
  display:flex;gap:26px;margin-top:36px;
  padding-top:22px;border-top:1px solid rgba(255,255,255,.16);flex-wrap:wrap;
}
.hero-meta-item{display:flex;align-items:center;gap:10px;font-size:14px;color:rgba(255,255,255,.78)}
.hero-meta-item i{color:var(--accent);font-size:16px}
.hero-visual{
  position:relative;
  border-radius:var(--radius-lg);
  overflow:visible;
}
.hero-visual .main-img{
  border-radius:var(--radius-lg);
  box-shadow:0 20px 60px rgba(0,0,0,.4);
  border:1px solid rgba(255,255,255,.12);
  width:100%;height:auto;object-fit:cover;aspect-ratio:4/4.4;
}
.hero-score-card{
  position:absolute;top:-22px;left:-28px;
  background:rgba(255,255,255,.97);
  border-radius:var(--radius-md);
  padding:14px 20px;
  box-shadow:var(--shadow-hover);
  display:flex;align-items:center;gap:14px;
  animation:float 5s ease-in-out infinite;
}
.hero-score-card .score-team{font-size:14px;font-weight:700;color:var(--text-strong)}
.hero-score-card .score-num{
  font-family:var(--font-en);font-size:24px;font-weight:800;
  color:var(--brand-deep);
}
@keyframes float{0%,100%{transform:translateY(0)}50%{transform:translateY(-8px)}}
.hero-live-badge{
  position:absolute;bottom:-18px;right:22px;
  background:var(--bg-dark);border:1px solid rgba(19,196,163,.4);
  border-radius:var(--radius-pill);
  padding:8px 20px;display:flex;align-items:center;gap:8px;
  font-size:13px;font-weight:600;color:var(--brand-bright);
  box-shadow:0 10px 30px rgba(0,0,0,.3);
}
.hero-live-badge i{font-size:14px}
.hero-line{
  position:absolute;left:10%;right:10%;bottom:60px;height:2px;
  background:linear-gradient(90deg,transparent,var(--accent),transparent);
  opacity:.6;
}

/* ===== Section Header ===== */
.section-head{text-align:center;max-width:720px;margin:0 auto 52px}
.section-tag{
  display:inline-block;font-size:13px;font-weight:700;
  color:var(--brand-deep);background:rgba(11,107,90,.08);
  padding:6px 16px;border-radius:var(--radius-pill);
  margin-bottom:16px;
}
.section-head h2{
  font-size:clamp(28px,4vw,38px);font-weight:900;
  line-height:1.25;margin-bottom:16px;color:var(--text-strong);
  letter-spacing:-.5px;
}
.section-head h2 span{color:var(--brand-deep)}
.section-head p{color:var(--text-muted);font-size:16px}

/* ===== Guide Cards ===== */
.cat-cards{background:#fff;padding:var(--space-section) 0}
.guide-grid{
  display:grid;grid-template-columns:repeat(4,1fr);gap:20px;
}
.guide-card{
  position:relative;background:var(--bg-base);
  border:1px solid var(--border-soft);border-radius:var(--radius-md);
  padding:32px 24px 28px;
  transition:transform .3s ease,box-shadow .3s ease,border-color .3s;
  overflow:hidden;
  min-height:220px;
}
.guide-card:hover{
  transform:translateY(-6px);
  box-shadow:var(--shadow-hover);
  border-color:rgba(19,196,163,.4);
}
.guide-card .card-icon{
  width:52px;height:52px;border-radius:var(--radius-md);
  background:linear-gradient(135deg,var(--brand-deep),var(--brand-bright));
  display:flex;align-items:center;justify-content:center;
  font-size:20px;color:#fff;margin-bottom:18px;
  box-shadow:0 8px 20px -6px rgba(11,107,90,.4);
}
.guide-card .card-num{
  position:absolute;top:18px;right:20px;
  font-family:var(--font-en);font-size:13px;font-weight:700;
  color:var(--brand-bright);opacity:.6;
}
.guide-card h3{font-size:18px;font-weight:800;margin-bottom:10px;color:var(--text-strong)}
.guide-card p{font-size:14px;color:var(--text-muted);line-height:1.7}
.guide-card.is-wide{
  grid-column:span 2;
  background:linear-gradient(135deg,var(--bg-dark),#16332c);
  border-color:transparent;
}
.guide-card.is-wide h3{color:#fff;font-size:22px}
.guide-card.is-wide p{color:rgba(255,255,255,.7);max-width:80%}
.guide-card.is-wide .card-icon{background:var(--accent);color:var(--bg-dark)}

/* ===== Stats Bar ===== */
.cat-stats{
  background:var(--bg-dark);color:#fff;
  padding:60px 0;
  position:relative;overflow:hidden;
}
.cat-stats::before{
  content:"";position:absolute;top:-120px;right:-80px;
  width:320px;height:320px;border-radius:50%;
  background:rgba(19,196,163,.12);filter:blur(30px);
}
.stats-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:30px}
.stat-item{text-align:center;position:relative;z-index:1}
.stat-item .stat-num{
  font-family:var(--font-en);font-size:48px;font-weight:800;
  color:var(--brand-bright);line-height:1.1;
}
.stat-item .stat-label{
  margin-top:8px;font-size:14px;color:rgba(255,255,255,.65);
}
.stat-item .stat-num small{font-size:22px;color:var(--accent)}

/* ===== Content Section ===== */
.cat-content{padding:var(--space-section) 0}
.content-split{
  display:grid;grid-template-columns:1fr 1fr;gap:60px;align-items:center;
}
.content-split .text-side h3{
  font-size:22px;font-weight:900;margin-bottom:14px;color:var(--text-strong);
}
.content-split .text-side h3 i{color:var(--brand-bright);margin-right:8px}
.content-split .text-side p{
  color:var(--text-muted);font-size:15px;margin-bottom:24px;line-height:1.85;
}
.content-split .text-side p strong{color:var(--text-strong)}
.image-side{
  position:relative;border-radius:var(--radius-lg);overflow:hidden;
  box-shadow:var(--shadow-card);
}
.image-side img{width:100%;height:auto;object-fit:cover;aspect-ratio:4/3}
.image-side::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(45deg,rgba(11,107,90,.2),transparent);
  pointer-events:none;
}
.image-side .img-tag{
  position:absolute;left:18px;bottom:18px;z-index:1;
  background:rgba(14,31,28,.8);backdrop-filter:blur(8px);
  color:#fff;font-size:13px;font-weight:600;
  padding:6px 16px;border-radius:var(--radius-pill);
  display:flex;align-items:center;gap:6px;
}
.image-side .img-tag i{color:var(--accent)}

/* ===== Feature list compact ===== */
.feature-row{
  display:grid;grid-template-columns:repeat(3,1fr);gap:24px;margin-top:50px;
}
.feature-item{
  background:var(--bg-base);border:1px solid var(--border-soft);
  border-radius:var(--radius-md);padding:26px;
  transition:box-shadow .3s,transform .3s;
}
.feature-item:hover{box-shadow:var(--shadow-hover);transform:translateY(-4px)}
.feature-item i{
  width:42px;height:42px;border-radius:var(--radius-sm);
  background:rgba(11,107,90,.1);color:var(--brand-deep);
  display:flex;align-items:center;justify-content:center;
  font-size:18px;margin-bottom:14px;
}
.feature-item h4{font-size:16px;font-weight:800;margin-bottom:8px}
.feature-item p{font-size:14px;color:var(--text-muted)}

/* ===== FAQ ===== */
.cat-faq{background:#fff;padding:var(--space-section) 0}
.faq-list{max-width:760px;margin:0 auto}
.faq-item{
  border-bottom:1px solid var(--border-soft);
  padding:4px 0;
}
.faq-item:first-child{border-top:1px solid var(--border-soft)}
.faq-item__question{
  width:100%;display:flex;align-items:center;justify-content:space-between;
  background:none;border:none;text-align:left;
  padding:22px 8px;cursor:pointer;
  font-size:17px;font-weight:700;color:var(--text-strong);
  font-family:var(--font-cn);
  transition:color .25s;
}
.faq-item__question:hover{color:var(--brand-deep)}
.faq-item__icon{
  width:28px;height:28px;border-radius:50%;
  border:1.5px solid var(--border-soft);flex-shrink:0;
  display:flex;align-items:center;justify-content:center;
  font-size:14px;color:var(--text-muted);transition:transform .3s,background .3s,border-color .3s;
}
.faq-item.is-open .faq-item__icon{
  transform:rotate(45deg);background:var(--brand-deep);
  border-color:var(--brand-deep);color:#fff;
}
.faq-item__answer{
  max-height:0;overflow:hidden;transition:max-height .3s ease;
}
.faq-item__answer p{
  padding:0 24px 24px 8px;color:var(--text-muted);font-size:15px;line-height:1.8;
}

/* ===== CTA ===== */
.cat-cta{
  background:var(--bg-dark);color:#fff;text-align:center;
  padding:90px 0;position:relative;overflow:hidden;
}
.cat-cta::before{
  content:"";position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);
  width:600px;height:600px;border-radius:50%;
  background:radial-gradient(circle,rgba(19,196,163,.15),transparent 70%);
}
.cat-cta::after{
  content:"";position:absolute;left:0;right:0;top:0;height:3px;
  background:linear-gradient(90deg,transparent,var(--accent),transparent);
}
.cat-cta .inner{position:relative;z-index:1}
.cat-cta h2{font-size:clamp(28px,4vw,42px);font-weight:900;margin-bottom:16px}
.cat-cta h2 span{color:var(--accent)}
.cat-cta p{color:rgba(255,255,255,.7);font-size:16px;max-width:520px;margin:0 auto 34px}
.cta-btn-row{display:flex;gap:16px;justify-content:center;flex-wrap:wrap}

/* ===== Footer ===== */
.site-footer{background:var(--bg-dark);color:rgba(255,255,255,.72);padding:64px 0 0}
.footer-grid{display:grid;grid-template-columns:1.4fr .8fr .8fr 1fr;gap:40px;padding-bottom:48px}
.footer-brand .brand{margin-bottom:16px}
.footer-brand .brand-name{color:#fff}
.footer-desc{font-size:14px;line-height:1.8;color:rgba(255,255,255,.55);max-width:320px;margin-bottom:20px}
.footer-social{display:flex;gap:10px}
.footer-social a{
  width:40px;height:40px;border-radius:50%;
  border:1px solid rgba(255,255,255,.18);
  display:flex;align-items:center;justify-content:center;
  color:rgba(255,255,255,.6);font-size:16px;transition:all .25s;
}
.footer-social a:hover{background:var(--accent);border-color:var(--accent);color:var(--bg-dark)}
.footer-nav-col h3{
  font-size:16px;font-weight:700;color:#fff;margin-bottom:18px;
}
.footer-nav-col ul li{margin-bottom:10px}
.footer-nav-col a{
  color:rgba(255,255,255,.65);font-size:14px;
  transition:color .25s;position:relative;display:inline-block;
}
.footer-nav-col a::after{
  content:"";position:absolute;left:0;bottom:-2px;width:0;height:1px;
  background:var(--accent);transition:width .2s ease;
}
.footer-nav-col a:hover{color:var(--accent)}
.footer-nav-col a:hover::after{width:100%}
.footer-contact li{display:flex;align-items:center;gap:10px;font-size:14px;color:rgba(255,255,255,.55);margin-bottom:12px}
.footer-contact li i{color:var(--brand-bright);width:18px;text-align:center}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.1);
  padding:22px 0;text-align:center;
  font-size:13px;color:rgba(255,255,255,.45);
}

/* ===== Animations ===== */
.fade-up{
  opacity:0;transform:translateY(18px);
  transition:opacity .6s ease,transform .6s ease;
}
.fade-up.is-visible{opacity:1;transform:translateY(0)}

/* ===== Foundation override ===== */
.grid-container{padding-left:24px;padding-right:24px}
.cell{padding:0}
.button{margin-bottom:0}

/* ===== Responsive ===== */
@media (max-width:1024px){
  :root{--space-section:70px}
  .guide-grid{grid-template-columns:repeat(2,1fr)}
  .content-split{grid-template-columns:1fr;gap:40px}
  .image-side{order:-1}
  .stats-grid{grid-template-columns:repeat(2,1fr);gap:40px 20px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:30px}
  .hero-inner{grid-template-columns:1fr;gap:40px}
  .hero-visual{max-width:560px}
  .cat-hero{min-height:720px;height:auto;padding:140px 0 80px}
  .hero-score-card{left:0}
}
@media (max-width:640px){
  :root{--space-section:54px}
  .site-header{height:64px}
  .site-header.is-scrolled{height:60px}
  .header-search{display:none}
  .header-actions .header-link{display:none}
  .header-btn{height:38px;padding:0 16px;font-size:13px}
  .nav-toggle{display:flex}
  .main-nav{
    position:fixed;top:0;right:-320px;width:300px;height:100vh;
    background:var(--bg-base);flex-direction:column;
    align-items:flex-start;padding:100px 24px 40px;gap:8px;
    box-shadow:-10px 0 40px rgba(0,0,0,.15);
    transition:right .35s ease;
    z-index:-1;border-left:1px solid var(--border-soft);
  }
  .main-nav.is-open{right:0}
  .nav-link{width:100%;padding:14px 12px;font-size:16px;border-bottom:1px solid var(--border-soft)}
  .nav-link::after{display:none}
  .nav-link.is-active{color:var(--brand-deep);background:rgba(11,107,90,.06);border-radius:var(--radius-md)}
  .cat-hero h1{font-size:32px}
  .hero-sub{font-size:15px}
  .hero-btn-row .btn{width:100%;justify-content:center}
  .hero-meta{flex-direction:column;gap:12px}
  .hero-visual .main-img{aspect-ratio:4/3.4}
  .hero-score-card{top:-16px;left:4px;padding:10px 14px}
  .hero-score-card .score-num{font-size:18px}
  .guide-grid{grid-template-columns:1fr}
  .guide-card.is-wide{grid-column:span 1}
  .stats-grid{grid-template-columns:1fr 1fr}
  .stat-item .stat-num{font-size:34px}
  .feature-row{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr}
  .footer-bottom{padding:18px 0}
  .cat-cta{padding:64px 0}
  .cta-btn-row .btn{width:100%;justify-content:center}
  .faq-item__question{font-size:15px;padding:18px 4px}
  .faq-item__answer p{padding:0 16px 20px 4px;font-size:14px}
  .section-head{margin-bottom:36px}
  .section-head h2{font-size:26px}
  .brand-name{font-size:16px}
  .brand-icon{width:34px;height:34px}
}

/* roulang page: article */
:root{
  --brand-deep:#0B6B5A;
  --brand-bright:#13C4A3;
  --accent:#F5A524;
  --pop:#F43F5E;
  --bg-base:#F7F5F2;
  --bg-dark:#0E1F1C;
  --bg-white:#ffffff;
  --text-strong:#1A1D1A;
  --text-muted:#5C6B63;
  --border-soft:#E2E8E2;
  --radius-sm:6px;
  --radius-md:12px;
  --radius-lg:20px;
  --shadow-card:0 2px 12px rgba(15,35,30,.06);
  --shadow-hover:0 12px 40px -12px rgba(11,107,90,.18);
  --shadow-cta:0 8px 24px -6px rgba(245,165,36,.5);
  --font-cn:"Noto Sans SC","PingFang SC","Microsoft YaHei",sans-serif;
  --font-en:"Archivo","Inter",system-ui,sans-serif;
}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0;}
html{scroll-behavior:smooth;}
body{
  font-family:var(--font-cn);
  font-size:16px;
  line-height:1.8;
  color:var(--text-strong);
  background:var(--bg-base);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:var(--brand-deep);text-decoration:none;transition:color .25s ease,border-color .25s ease,background .25s ease;}
a:hover{color:var(--brand-bright);}
button{font-family:inherit;border:none;background:none;cursor:pointer;}
input{font-family:inherit;outline:none;}
ul,ol{list-style:none;}
.container{max-width:1200px;margin:0 auto;padding:0 24px;width:100%;}
main{display:block;}

.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  font-size:15px;font-weight:700;padding:12px 28px;border-radius:var(--radius-sm);
  transition:all .25s ease;min-height:44px;line-height:1.2;white-space:nowrap;
}
.btn-primary{
  background:var(--accent);color:#1A1D1A;box-shadow:0 4px 16px rgba(245,165,36,.3);
}
.btn-primary:hover{
  background:#e08f0f;transform:translateY(-2px);
  box-shadow:var(--shadow-cta);color:#1A1D1A;
}
.btn-outline{
  background:transparent;color:var(--brand-deep);border:1.5px solid var(--brand-deep);
}
.btn-outline:hover{
  background:rgba(11,107,90,.05);transform:translateY(-2px);
  border-color:var(--brand-bright);color:var(--brand-deep);
}

/* ===== Header ===== */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:100;
  background:rgba(255,255,255,.96);
  border-bottom:1px solid var(--border-soft);
  box-shadow:0 2px 12px rgba(15,35,30,.04);
  height:72px;display:flex;align-items:center;
  transition:background .3s ease,box-shadow .3s ease,height .3s ease;
}
.site-header.scrolled{
  background:rgba(255,255,255,.98);
  box-shadow:0 4px 24px rgba(15,35,30,.08);
  height:60px;
}
.site-header .container{
  display:flex;align-items:center;justify-content:space-between;gap:16px;
}
.header-left{
  display:flex;align-items:center;gap:32px;min-width:0;
}
.brand{
  display:flex;align-items:center;gap:10px;flex-shrink:0;
}
.brand-icon{
  width:36px;height:36px;background:var(--brand-deep);
  border-radius:10px;display:flex;align-items:center;justify-content:center;
  color:var(--accent);font-size:15px;transition:transform .3s ease;
}
.brand:hover .brand-icon{transform:rotate(-12deg) scale(1.05);}
.brand-name{
  font-size:20px;font-weight:800;color:var(--brand-deep);
  letter-spacing:-.5px;line-height:1.2;white-space:nowrap;
}
.brand-name span{color:var(--accent);font-weight:700;}
.main-nav{
  display:flex;align-items:center;gap:24px;
}
.nav-link{
  font-size:15px;font-weight:500;color:var(--text-muted);
  padding:8px 2px;position:relative;transition:color .25s ease;white-space:nowrap;
}
.nav-link::after{
  content:'';position:absolute;left:0;bottom:0;width:0;height:2px;
  background:var(--brand-bright);transition:width .25s ease;
}
.nav-link:hover{color:var(--brand-deep);}
.nav-link:hover::after{width:100%;}
.nav-link.is-active{
  color:var(--brand-deep);font-weight:700;
}
.nav-link.is-active::before{
  content:'';display:inline-block;width:5px;height:5px;
  background:var(--accent);border-radius:50%;margin-right:5px;vertical-align:middle;
}
.header-right{
  display:flex;align-items:center;gap:16px;
}
.header-search{
  display:flex;align-items:center;gap:8px;
  background:rgba(255,255,255,.7);
  border:1.5px solid var(--border-soft);border-radius:999px;
  padding:6px 14px;width:200px;
  transition:border-color .25s ease,box-shadow .25s ease;
}
.header-search:focus-within{
  border-color:var(--brand-bright);
  box-shadow:0 0 0 4px rgba(19,196,163,.15);
}
.header-search .search-icon{color:var(--text-muted);font-size:13px;flex-shrink:0;}
.header-search input{
  border:none;background:transparent;font-size:13px;color:var(--text-strong);width:100%;
}
.header-search input::placeholder{color:#9aa8a0;}
.header-actions{display:flex;align-items:center;gap:12px;}
.header-link{
  font-size:14px;font-weight:600;color:var(--brand-deep);transition:color .25s ease;
}
.header-link:hover{color:var(--accent);}
.header-btn{
  display:inline-flex;align-items:center;gap:6px;
  background:var(--accent);color:#1A1D1A;font-size:14px;font-weight:700;
  padding:8px 20px;border-radius:var(--radius-sm);
  box-shadow:0 2px 8px rgba(245,165,36,.3);
  transition:all .25s ease;
}
.header-btn:hover{
  background:#e08f0f;transform:translateY(-2px);
  box-shadow:var(--shadow-cta);color:#1A1D1A;
}
.nav-toggle{
  display:none;font-size:20px;color:var(--brand-deep);
  width:44px;height:44px;align-items:center;justify-content:center;
  border-radius:8px;transition:background .25s ease;
}
.nav-toggle:hover{background:rgba(11,107,90,.06);}
.mobile-search,.mobile-actions{display:none;}

/* ===== Breadcrumb ===== */
.breadcrumb-section{
  background:var(--bg-base);
  padding:104px 0 8px;
}
.breadcrumb{
  display:flex;align-items:center;gap:10px;font-size:13px;color:var(--text-muted);
  flex-wrap:wrap;
}
.breadcrumb a{
  color:var(--text-muted);display:inline-flex;align-items:center;gap:6px;
  transition:color .25s ease;
}
.breadcrumb a:hover{color:var(--brand-deep);}
.breadcrumb .sep{color:#b5c0b8;font-size:11px;}
.breadcrumb .current{color:var(--brand-deep);font-weight:600;}

/* ===== Article Header ===== */
.article-header{
  background:var(--bg-base);
  padding:32px 0 20px;
}
.article-header-inner{
  max-width:860px;margin:0 auto;
}
.article-cat-badge{
  display:inline-block;background:rgba(11,107,90,.1);
  color:var(--brand-deep);font-size:13px;font-weight:600;
  padding:4px 14px;border-radius:999px;margin-bottom:14px;
  letter-spacing:.3px;
}
.article-title{
  font-size:40px;line-height:1.3;font-weight:800;color:var(--text-strong);
  letter-spacing:-1px;margin-bottom:18px;
}
.article-meta{
  display:flex;align-items:center;gap:22px;font-size:14px;
  color:var(--text-muted);flex-wrap:wrap;
}
.article-meta span{
  display:inline-flex;align-items:center;gap:6px;
}
.article-meta i{
  color:var(--brand-bright);font-size:13px;
}

/* ===== Article Body ===== */
.article-wrap-section{
  background:var(--bg-base);
  padding:10px 0 56px;
}
.article-body-card{
  max-width:760px;margin:0 auto;
  background:#fff;border-radius:var(--radius-md);
  border:1px solid rgba(226,232,226,.6);
  box-shadow:var(--shadow-card);
  padding:52px 56px;
}
.article-body-card p{
  margin-bottom:1.6em;font-size:16.5px;line-height:1.85;color:#2d3a34;
}
.article-body-card h2{
  font-size:26px;font-weight:800;margin:2em 0 .8em;
  padding-bottom:8px;border-bottom:2px solid var(--brand-bright);
  line-height:1.4;color:var(--text-strong);
}
.article-body-card h3{
  font-size:21px;font-weight:700;margin:1.6em 0 .6em;
  line-height:1.4;color:var(--text-strong);
}
.article-body-card blockquote{
  border-left:4px solid var(--brand-bright);
  background:rgba(19,196,163,.05);
  padding:16px 24px;margin:1.6em 0;
  border-radius:0 var(--radius-sm) var(--radius-sm) 0;
  color:var(--text-muted);font-style:normal;
}
.article-body-card ul,.article-body-card ol{
  margin:0 0 1.6em 1.4em;padding:0;
}
.article-body-card li{
  margin-bottom:.5em;line-height:1.8;color:#2d3a34;
  position:relative;padding-left:4px;
}
.article-body-card img{
  border-radius:var(--radius-md);margin:24px 0;
  box-shadow:var(--shadow-card);
}
.article-body-card a{
  color:var(--brand-deep);font-weight:600;text-decoration:underline;
  text-underline-offset:3px;text-decoration-color:rgba(11,107,90,.3);
}
.article-body-card a:hover{
  color:var(--accent);text-decoration-color:var(--accent);
}
.article-body-card strong{color:var(--text-strong);font-weight:700;}

/* ===== Article Extra (tags/share) ===== */
.article-extra{
  max-width:760px;margin:22px auto 0;
  display:flex;justify-content:space-between;align-items:center;
  flex-wrap:wrap;gap:16px;
}
.article-tags{
  display:flex;align-items:center;gap:8px;flex-wrap:wrap;
}
.tag-label{
  font-size:13px;color:var(--text-muted);font-weight:600;
  display:inline-flex;align-items:center;gap:5px;
}
.tag{
  display:inline-block;background:rgba(11,107,90,.08);
  color:var(--brand-deep);font-size:12px;font-weight:500;
  padding:3px 14px;border-radius:999px;transition:all .25s ease;
}
.tag:hover{
  background:var(--brand-deep);color:#fff;transform:translateY(-1px);
}
.article-share{
  display:flex;align-items:center;gap:8px;font-size:13px;color:var(--text-muted);
}
.article-share a{
  width:36px;height:36px;border-radius:50%;
  border:1.5px solid var(--border-soft);
  display:flex;align-items:center;justify-content:center;
  color:var(--brand-deep);font-size:14px;transition:all .25s ease;
}
.article-share a:hover{
  background:var(--brand-deep);border-color:var(--brand-deep);
  color:#fff;transform:translateY(-2px);
}

/* ===== Related ===== */
.related-section{
  max-width:860px;margin:56px auto 0;padding:0 24px;
}
.section-head{
  display:flex;align-items:center;gap:16px;margin-bottom:28px;
}
.section-head h2{
  font-size:26px;font-weight:800;color:var(--text-strong);
  margin:0;flex-shrink:0;letter-spacing:-.3px;
}
.section-line{flex:1;height:1px;background:var(--border-soft);}
.related-grid{
  display:grid;grid-template-columns:1fr 1fr;gap:22px;
}
.related-card{
  background:#fff;border-radius:var(--radius-md);overflow:hidden;
  border:1px solid rgba(226,232,226,.6);box-shadow:var(--shadow-card);
  transition:all .3s ease;display:flex;height:100%;
}
.related-card:hover{
  transform:translateY(-4px);box-shadow:var(--shadow-hover);
  border-color:rgba(19,196,163,.4);
}
.related-card .card-img{
  width:132px;flex-shrink:0;overflow:hidden;position:relative;
}
.related-card .card-img img{
  width:100%;height:100%;object-fit:cover;
  transition:transform .4s ease;
}
.related-card:hover .card-img img{transform:scale(1.05);}
.related-card .card-body{
  padding:18px 18px 14px;display:flex;flex-direction:column;gap:6px;flex:1;
}
.card-cat{
  font-size:12px;font-weight:600;color:var(--brand-deep);
  background:rgba(11,107,90,.08);padding:2px 10px;border-radius:999px;
  align-self:flex-start;letter-spacing:.2px;
}
.related-card .card-title{
  font-size:15px;font-weight:700;line-height:1.5;color:var(--text-strong);
  transition:color .25s ease;margin:0;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.related-card:hover .card-title{color:var(--brand-deep);}
.related-card .card-excerpt{
  font-size:13px;color:var(--text-muted);line-height:1.6;
  display:-webkit-box;-webkit-line-clamp:1;-webkit-box-orient:vertical;overflow:hidden;
  margin:0;
}

/* ===== Back Entry ===== */
.back-entry{
  max-width:860px;margin:32px auto 0;padding:0 24px;
  display:flex;justify-content:flex-end;
}

/* ===== Article Not Found ===== */
.article-not-found{
  text-align:center;padding:30px 0;
}
.article-not-found i{
  font-size:48px;color:var(--brand-bright);display:block;margin-bottom:16px;
  opacity:.6;
}
.article-not-found p{
  font-size:17px;color:var(--text-muted);margin-bottom:24px;
}

/* ===== CTA Section ===== */
.cta-section{
  background:var(--bg-dark);padding:72px 24px;
  position:relative;overflow:hidden;margin-top:56px;
}
.cta-section::before{
  content:'';position:absolute;width:360px;height:360px;
  background:radial-gradient(circle,rgba(19,196,163,.18),transparent 65%);
  top:-120px;right:-80px;border-radius:50%;
}
.cta-section::after{
  content:'';position:absolute;width:200px;height:200px;
  border:1.5px solid rgba(245,165,36,.2);border-radius:50%;
  bottom:-60px;left:10%;
}
.cta-inner{
  max-width:680px;margin:0 auto;text-align:center;position:relative;z-index:1;
}
.cta-inner h2{
  color:#fff;font-size:30px;font-weight:800;margin-bottom:12px;
  letter-spacing:-.5px;
}
.cta-inner p{
  color:rgba(255,255,255,.65);font-size:15px;margin-bottom:28px;line-height:1.7;
}
.cta-btns{
  display:flex;gap:16px;justify-content:center;flex-wrap:wrap;
}
.cta-section .btn-outline{
  border-color:rgba(255,255,255,.4);color:#fff;
}
.cta-section .btn-outline:hover{
  background:rgba(255,255,255,.1);border-color:#fff;color:#fff;
}

/* ===== Footer ===== */
.site-footer{
  background:var(--bg-dark);color:rgba(255,255,255,.7);
  padding:60px 0 0;
}
.footer-grid{
  display:grid;grid-template-columns:2fr 1fr 1fr 1.2fr;
  gap:40px;padding-bottom:50px;
}
.footer-brand .brand{margin-bottom:14px;}
.footer-brand .brand .brand-name{color:#fff;}
.footer-brand .brand .brand-name span{color:var(--brand-bright);}
.footer-desc{
  font-size:14px;color:rgba(255,255,255,.5);
  line-height:1.7;max-width:280px;margin-top:10px;
}
.footer-social{
  display:flex;gap:10px;margin-top:18px;
}
.footer-social a{
  width:36px;height:36px;border-radius:50%;
  border:1px solid rgba(255,255,255,.15);
  display:flex;align-items:center;justify-content:center;
  color:rgba(255,255,255,.6);font-size:14px;transition:all .25s ease;
}
.footer-social a:hover{
  background:var(--accent);border-color:var(--accent);
  color:#1A1D1A;transform:translateY(-2px);
}
.footer-col h3{
  color:#fff;font-size:15px;font-weight:700;margin-bottom:18px;
}
.footer-col ul{margin:0;padding:0;}
.footer-col ul li{margin-bottom:10px;}
.footer-col ul a{
  color:rgba(255,255,255,.5);font-size:14px;
  position:relative;transition:color .25s ease;
}
.footer-col ul a::after{
  content:'';position:absolute;left:0;bottom:-2px;width:0;height:1px;
  background:var(--accent);transition:width .2s ease;
}
.footer-col ul a:hover{color:var(--accent);}
.footer-col ul a:hover::after{width:100%;}
.footer-contact li{
  display:flex;align-items:center;gap:8px;
  font-size:13px;color:rgba(255,255,255,.5);
}
.footer-contact i{
  color:var(--brand-bright);font-size:12px;width:18px;text-align:center;
}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.08);
  padding:20px 0;text-align:center;
}
.footer-bottom p{
  font-size:13px;color:rgba(255,255,255,.4);margin:0;
}

/* ===== Focus Visible ===== */
a:focus-visible,.nav-toggle:focus-visible,.btn:focus-visible,.header-search:focus-within{
  outline:2px solid var(--brand-deep);outline-offset:2px;
}
.header-btn:focus-visible,.btn-primary:focus-visible{
  outline-color:var(--brand-deep);
}

/* ===== Responsive ===== */
@media (max-width:1024px){
  .container{padding:0 20px;}
  .main-nav{gap:18px;}
  .nav-link{font-size:14px;}
  .header-search{width:160px;}
  .header-left{gap:20px;}
  .article-title{font-size:36px;}
}
@media (max-width:768px){
  .site-header{height:60px;}
  .main-nav,.header-search,.header-actions{display:none;}
  .nav-toggle{display:flex;}
  .main-nav{
    position:fixed;top:60px;right:0;bottom:0;width:min(320px,85vw);
    background:var(--bg-base);padding:20px 16px;
    flex-direction:column;align-items:flex-start;gap:0;
    border-left:1px solid var(--border-soft);
    box-shadow:-8px 0 32px rgba(0,0,0,.1);
    z-index:99;overflow-y:auto;
  }
  .main-nav.is-open{display:flex;}
  .main-nav .nav-link{
    display:block;padding:13px 8px;width:100%;
    border-bottom:1px solid var(--border-soft);font-size:15px;
  }
  .main-nav .nav-link.is-active::before{display:none;}
  .mobile-search{
    display:flex;align-items:center;gap:8px;
    background:#fff;border:1px solid var(--border-soft);
    border-radius:8px;padding:9px 12px;margin-top:16px;width:100%;
  }
  .mobile-search input{
    border:none;background:transparent;font-size:14px;color:var(--text-strong);width:100%;
  }
  .mobile-search i{color:var(--text-muted);font-size:13px;}
  .mobile-actions{
    display:flex;gap:12px;padding:14px 0;width:100%;
    align-items:center;
  }
  .mobile-actions .header-link{
    font-size:15px;padding:0 4px;
  }
  .mobile-actions .header-btn{
    flex:1;justify-content:center;padding:10px 0;
  }
  .breadcrumb-section{padding:92px 0 6px;}
  .article-header{padding:24px 0 16px;}
  .article-title{font-size:30px;}
  .article-body-card{padding:32px 24px;}
  .article-extra{flex-direction:column;align-items:flex-start;}
  .related-section{margin-top:40px;padding:0 20px;}
  .related-grid{grid-template-columns:1fr;}
  .cta-section{padding:56px 20px;}
  .cta-inner h2{font-size:26px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:30px;}
}
@media (max-width:520px){
  .container{padding:0 16px;}
  .brand-name{font-size:18px;}
  .article-title{font-size:26px;letter-spacing:-.3px;}
  .article-meta{gap:14px;font-size:13px;}
  .article-body-card{padding:24px 18px;border-radius:var(--radius-sm);}
  .article-body-card h2{font-size:22px;}
  .article-body-card h3{font-size:18px;}
  .related-card .card-img{width:100px;}
  .related-card .card-body{padding:14px 14px 12px;}
  .related-card .card-title{font-size:14px;}
  .related-card .card-excerpt{display:none;}
  .footer-bottom p{font-size:12px;}
  .footer-grid{grid-template-columns:1fr;gap:26px;padding-bottom:36px;}
  .back-entry{justify-content:center;}
  .cta-btns{flex-direction:column;align-items:center;}
  .cta-btns .btn{width:100%;max-width:280px;}
  .section-head h2{font-size:22px;}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation:none!important;transition:none!important;}
  html{scroll-behavior:auto;}
}

/* roulang page: category2 */
:root{
  --brand-deep:#0B6B5A;
  --brand-bright:#13C4A3;
  --accent:#F5A524;
  --pop:#F43F5E;
  --bg-base:#F7F5F2;
  --bg-dark:#0E1F1C;
  --text-strong:#1A1D1A;
  --text-muted:#5C6B63;
  --border-soft:#E2E8E2;
  --radius-sm:6px;
  --radius-md:12px;
  --radius-lg:20px;
  --shadow-card:0 2px 12px rgba(15,35,30,.06);
  --shadow-hover:0 12px 40px -12px rgba(11,107,90,.18);
  --shadow-cta:0 8px 24px -6px rgba(245,165,36,.5);
  --font-cn:"Noto Sans SC","PingFang SC","Microsoft YaHei",sans-serif;
  --font-en:"Archivo","Inter",system-ui,sans-serif;
  --header-h:72px;
}
*,*::before,*::after{box-sizing:border-box;}
html,body{margin:0;padding:0;}
body{
  font-family:var(--font-cn);
  font-size:16px;
  line-height:1.8;
  color:var(--text-strong);
  background:var(--bg-base);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:var(--brand-deep);text-decoration:none;transition:color .25s ease,border-color .25s ease;}
a:hover{color:var(--brand-deep);}
ul,ol{margin:0;padding:0;list-style:none;}
button,input{font-family:inherit;font-size:inherit;}
.container{max-width:1200px;margin:0 auto;padding:0 24px;}
.mt-1{margin-top:8px;}
.mt-2{margin-top:16px;}
.mt-3{margin-top:24px;}
.mt-4{margin-top:40px;}
.mb-2{margin-bottom:16px;}
.mb-3{margin-bottom:24px;}

/* ===== Header ===== */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:1000;
  height:var(--header-h);
  background:rgba(247,245,242,.92);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  border-bottom:1px solid transparent;
  transition:background .3s ease,box-shadow .3s ease,height .3s ease;
}
.site-header.scrolled{
  background:rgba(247,245,242,.98);
  box-shadow:0 4px 24px rgba(15,35,30,.07);
  border-bottom-color:var(--border-soft);
  height:64px;
}
.site-header .container{
  display:flex;align-items:center;justify-content:space-between;height:100%;
}
.header-left{display:flex;align-items:center;gap:32px;}
.header-right{display:flex;align-items:center;gap:20px;}
.brand{display:flex;align-items:center;gap:10px;flex-shrink:0;}
.brand-icon{
  width:38px;height:38px;border-radius:10px;
  background:linear-gradient(135deg,var(--brand-deep),var(--brand-bright));
  display:flex;align-items:center;justify-content:center;color:#fff;font-size:17px;
  box-shadow:0 4px 14px rgba(11,107,90,.28);
}
.brand-name{font-size:20px;font-weight:800;letter-spacing:.5px;color:var(--text-strong);line-height:1.2;}
.brand-name span{color:var(--brand-deep);font-weight:700;}
.main-nav{display:flex;align-items:center;gap:6px;}
.nav-link{
  position:relative;padding:10px 14px;font-size:15px;font-weight:500;color:var(--text-muted);
  border-radius:8px;transition:color .2s ease,background .2s ease;
}
.nav-link::after{
  content:"";position:absolute;left:50%;bottom:4px;transform:translateX(-50%);
  width:0;height:2px;border-radius:2px;background:var(--brand-bright);transition:width .25s ease;
}
.nav-link:hover{color:var(--brand-deep);background:rgba(11,107,90,.05);}
.nav-link:hover::after{width:24px;}
.nav-link.is-active{color:var(--brand-deep);font-weight:700;}
.nav-link.is-active::before{
  content:"";display:inline-block;width:5px;height:5px;border-radius:50%;
  background:var(--brand-bright);margin-right:6px;vertical-align:2px;
}
.header-search{
  display:flex;align-items:center;gap:8px;
  background:rgba(14,31,28,.05);border:1.5px solid transparent;border-radius:999px;
  padding:8px 16px;min-width:200px;transition:border-color .25s ease,box-shadow .25s ease,background .25s ease;
}
.header-search:focus-within{border-color:var(--brand-bright);background:#fff;box-shadow:0 0 0 4px rgba(19,196,163,.15);}
.header-search .search-icon{color:var(--text-muted);font-size:13px;}
.header-search input{border:none;outline:none;background:transparent;font-size:14px;color:var(--text-strong);width:100%;}
.header-search input::placeholder{color:var(--text-muted);}
.header-actions{display:flex;align-items:center;gap:10px;}
.header-link{
  font-size:14px;font-weight:600;color:var(--text-muted);padding:8px 14px;border-radius:6px;transition:all .2s;
}
.header-link:hover{color:var(--brand-deep);background:rgba(11,107,90,.06);}
.header-btn{
  display:inline-flex;align-items:center;gap:6px;
  background:var(--brand-deep);color:#fff;font-size:14px;font-weight:600;
  padding:10px 20px;border-radius:6px;transition:all .25s ease;box-shadow:0 4px 14px rgba(11,107,90,.2);
}
.header-btn:hover{background:#0a5a4c;transform:translateY(-2px);box-shadow:0 8px 20px rgba(11,107,90,.3);color:#fff;}
.nav-toggle{display:none;background:none;border:none;font-size:22px;color:var(--text-strong);cursor:pointer;width:44px;height:44px;border-radius:8px;transition:background .2s;}
.nav-toggle:hover{background:rgba(11,107,90,.08);}
.nav-toggle .fa-times{display:none;}
.nav-toggle.open .fa-bars{display:none;}
.nav-toggle.open .fa-times{display:inline-block;}

/* ===== Mobile Nav ===== */
.mobile-drawer{
  position:fixed;top:0;right:-320px;width:300px;height:100vh;z-index:1100;
  background:var(--bg-base);box-shadow:-12px 0 40px rgba(15,25,20,.18);
  padding:96px 28px 32px;transition:right .35s cubic-bezier(.22,.68,0,1);
  overflow-y:auto;
}
.mobile-drawer.open{right:0;}
.mobile-drawer .drawer-nav{display:flex;flex-direction:column;gap:4px;}
.mobile-drawer .drawer-nav a{
  padding:14px 16px;font-size:16px;font-weight:600;color:var(--text-strong);
  border-radius:10px;border-bottom:1px solid var(--border-soft);transition:all .2s;
}
.mobile-drawer .drawer-nav a:hover{background:rgba(11,107,90,.06);color:var(--brand-deep);}
.mobile-drawer .drawer-nav a.is-active{color:var(--brand-deep);background:rgba(11,107,90,.08);}
.drawer-overlay{
  position:fixed;inset:0;background:rgba(14,31,28,.5);backdrop-filter:blur(2px);
  opacity:0;visibility:hidden;transition:all .3s ease;z-index:1050;
}
.drawer-overlay.show{opacity:1;visibility:visible;}

/* ===== Hero ===== */
.reg-hero{
  position:relative;padding:calc(var(--header-h) + 56px) 0 80px;overflow:hidden;
  background:
    radial-gradient(ellipse at 85% 20%,rgba(19,196,163,.10),transparent 50%),
    radial-gradient(ellipse at 10% 80%,rgba(245,165,36,.06),transparent 40%),
    var(--bg-base);
}
.reg-hero .container{display:flex;align-items:center;gap:60px;position:relative;z-index:2;}
.hero-content{flex:0 0 55%;max-width:600px;}
.hero-visual{flex:1;position:relative;}
.hero-crumb{
  display:flex;align-items:center;gap:8px;font-size:13px;color:var(--text-muted);margin-bottom:20px;
}
.hero-crumb a{color:var(--text-muted);}
.hero-crumb a:hover{color:var(--brand-deep);}
.hero-crumb .divider{color:var(--border-soft);}
.hero-tag{
  display:inline-flex;align-items:center;gap:8px;
  background:rgba(11,107,90,.08);color:var(--brand-deep);
  font-size:13px;font-weight:600;padding:8px 18px;border-radius:999px;margin-bottom:18px;
}
.hero-tag i{font-size:8px;color:var(--brand-bright);animation:pulse-dot 2s infinite;}
@keyframes pulse-dot{
  0%,100%{opacity:1;transform:scale(1);}
  50%{opacity:.4;transform:scale(.7);}
}
.hero-title{
  font-size:52px;font-weight:800;line-height:1.22;letter-spacing:-.5px;color:var(--text-strong);margin-bottom:18px;
}
.hero-title .accent-text{color:var(--brand-deep);position:relative;display:inline-block;}
.hero-title .accent-text::after{
  content:"";position:absolute;left:0;right:0;bottom:6px;height:10px;
  background:linear-gradient(transparent 55%,rgba(19,196,163,.25) 55%);z-index:-1;
}
.hero-sub{
  font-size:17px;line-height:1.9;color:var(--text-muted);max-width:460px;margin-bottom:28px;
}
.hero-btns{display:flex;gap:14px;flex-wrap:wrap;margin-bottom:32px;}
.btn-primary{
  display:inline-flex;align-items:center;gap:8px;
  background:var(--accent);color:#1A1D1A;font-size:16px;font-weight:700;
  padding:14px 28px;border-radius:6px;border:none;cursor:pointer;
  transition:all .25s ease;box-shadow:var(--shadow-cta);
}
.btn-primary:hover{background:#e19112;transform:translateY(-2px);box-shadow:0 12px 30px -6px rgba(245,165,36,.6);color:#1A1D1A;}
.btn-primary i{font-size:14px;}
.btn-secondary{
  display:inline-flex;align-items:center;gap:8px;
  background:transparent;color:var(--brand-deep);font-size:16px;font-weight:600;
  padding:14px 26px;border-radius:6px;border:1.5px solid var(--brand-deep);cursor:pointer;
  transition:all .25s ease;
}
.btn-secondary:hover{background:rgba(11,107,90,.06);transform:translateY(-2px);}
.hero-trust{display:flex;gap:28px;flex-wrap:wrap;}
.trust-item{display:flex;align-items:center;gap:8px;font-size:14px;color:var(--text-muted);}
.trust-item i{color:var(--brand-bright);font-size:14px;}
.hero-image-wrap{
  position:relative;border-radius:var(--radius-lg);overflow:hidden;
  box-shadow:var(--shadow-hover);aspect-ratio:4/3;max-width:500px;margin-left:auto;
}
.hero-image-wrap img{width:100%;height:100%;object-fit:cover;transform:scale(1.01);transition:transform .6s ease;}
.hero-image-wrap:hover img{transform:scale(1.04);}
.hero-card-float{
  position:absolute;left:-28px;bottom:36px;
  background:rgba(255,255,255,.94);backdrop-filter:blur(8px);
  border-radius:14px;padding:16px 20px;box-shadow:var(--shadow-hover);
  display:flex;align-items:center;gap:14px;min-width:200px;
}
.hero-card-float .float-icon{
  width:42px;height:42px;border-radius:10px;background:rgba(11,107,90,.1);
  display:flex;align-items:center;justify-content:center;color:var(--brand-deep);font-size:18px;
}
.hero-card-float .float-num{font-size:20px;font-weight:800;color:var(--text-strong);line-height:1.2;}
.hero-card-float .float-label{font-size:12px;color:var(--text-muted);}
.hero-ring{
  position:absolute;right:-20px;top:-24px;width:76px;height:76px;border-radius:50%;
  border:6px solid rgba(245,165,36,.28);border-top-color:var(--accent);
  animation:spin 8s linear infinite;
}
@keyframes spin{to{transform:rotate(360deg);}}

/* ===== Section Common ===== */
.section{padding:90px 0;}
.section-head{text-align:center;margin-bottom:52px;}
.section-eyebrow{
  display:inline-block;font-size:13px;font-weight:700;letter-spacing:2px;
  color:var(--brand-deep);text-transform:uppercase;margin-bottom:8px;
}
.section-title{font-size:36px;font-weight:800;line-height:1.3;color:var(--text-strong);margin-bottom:12px;}
.section-desc{font-size:16px;color:var(--text-muted);max-width:580px;margin:0 auto;line-height:1.8;}

/* ===== Trust Bar ===== */
.trust-bar{
  background:var(--bg-dark);padding:52px 0;position:relative;overflow:hidden;
}
.trust-bar::before{
  content:"";position:absolute;left:0;right:0;top:0;height:1px;
  background:linear-gradient(90deg,transparent,rgba(19,196,163,.5),transparent);
}
.trust-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:32px;}
.trust-cell{text-align:center;padding:20px 12px;}
.trust-cell .num{
  font-family:var(--font-en);font-size:44px;font-weight:800;color:var(--brand-bright);line-height:1.2;letter-spacing:-1px;
}
.trust-cell .label{font-size:14px;color:rgba(255,255,255,.65);margin-top:6px;}

/* ===== Steps ===== */
.steps-section{background:var(--bg-base);position:relative;}
.steps-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:28px;position:relative;}
.steps-grid::before{
  content:"";position:absolute;top:40px;left:12%;right:12%;height:2px;
  background:linear-gradient(90deg,var(--brand-bright),rgba(19,196,163,.2));
}
.step-card{
  position:relative;background:#fff;border-radius:var(--radius-md);padding:36px 24px 28px;
  box-shadow:var(--shadow-card);text-align:center;transition:all .3s ease;border:1px solid transparent;
}
.step-card:hover{transform:translateY(-8px);box-shadow:var(--shadow-hover);border-color:rgba(19,196,163,.2);}
.step-num{
  width:64px;height:64px;margin:0 auto 20px;border-radius:50%;
  background:linear-gradient(135deg,var(--brand-deep),var(--brand-bright));color:#fff;
  display:flex;align-items:center;justify-content:center;
  font-family:var(--font-en);font-size:26px;font-weight:800;
  box-shadow:0 8px 20px rgba(11,107,90,.25);position:relative;z-index:1;
}
.step-card h3{font-size:18px;font-weight:700;margin-bottom:10px;color:var(--text-strong);}
.step-card p{font-size:14px;color:var(--text-muted);line-height:1.75;margin:0;}

/* ===== Methods Cards ===== */
.methods-section{background:#fff;}
.methods-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:32px;}
.method-card{
  border-radius:var(--radius-lg);overflow:hidden;background:var(--bg-base);
  border:1px solid var(--border-soft);transition:all .3s ease;
  display:flex;flex-direction:column;
}
.method-card:hover{transform:translateY(-8px);box-shadow:var(--shadow-hover);border-color:rgba(19,196,163,.3);}
.method-card .method-img{height:200px;overflow:hidden;}
.method-card .method-img img{width:100%;height:100%;object-fit:cover;transition:transform .5s ease;}
.method-card:hover .method-img img{transform:scale(1.06);}
.method-card .method-body{padding:28px;flex:1;display:flex;flex-direction:column;}
.method-card .method-icon{
  width:44px;height:44px;border-radius:10px;background:rgba(11,107,90,.1);
  color:var(--brand-deep);display:flex;align-items:center;justify-content:center;font-size:18px;margin-bottom:16px;
}
.method-card h3{font-size:20px;font-weight:700;margin-bottom:8px;}
.method-card p{font-size:14px;color:var(--text-muted);line-height:1.75;margin-bottom:20px;flex:1;}
.method-link{
  display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:600;color:var(--brand-deep);
  border-bottom:1px solid transparent;padding-bottom:2px;
}
.method-link:hover{border-bottom-color:var(--brand-bright);}
.method-link i{font-size:12px;transition:transform .2s;}
.method-link:hover i{transform:translateX(4px);}
.badge{
  display:inline-block;font-size:12px;font-weight:600;padding:4px 10px;border-radius:999px;
  background:rgba(11,107,90,.1);color:var(--brand-deep);margin-bottom:12px;align-self:flex-start;
}

/* ===== Security ===== */
.security-section{
  background:var(--bg-dark);color:#fff;position:relative;overflow:hidden;
}
.security-section::before{
  content:"";position:absolute;top:-120px;right:-120px;width:420px;height:420px;border-radius:50%;
  background:radial-gradient(circle,rgba(19,196,163,.15),transparent 65%);
}
.security-section::after{
  content:"";position:absolute;bottom:-80px;left:-80px;width:300px;height:300px;border-radius:50%;
  background:radial-gradient(circle,rgba(245,165,36,.1),transparent 60%);
}
.security-section .section-title{color:#fff;}
.security-section .section-desc{color:rgba(255,255,255,.65);}
.security-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;position:relative;z-index:2;}
.security-card{
  background:rgba(255,255,255,.05);border:1px solid rgba(255,255,255,.08);
  border-radius:var(--radius-md);padding:28px 22px;text-align:center;
  transition:all .3s ease;
}
.security-card:hover{background:rgba(255,255,255,.09);transform:translateY(-6px);border-color:rgba(19,196,163,.4);}
.security-card .sec-icon{
  width:56px;height:56px;margin:0 auto 18px;border-radius:14px;
  background:rgba(19,196,163,.15);color:var(--brand-bright);
  display:flex;align-items:center;justify-content:center;font-size:22px;
  transition:background .3s ease,color .3s ease;
}
.security-card:hover .sec-icon{background:rgba(245,165,36,.2);color:var(--accent);}
.security-card h3{font-size:17px;font-weight:700;margin-bottom:10px;color:#fff;}
.security-card p{font-size:13px;color:rgba(255,255,255,.6);line-height:1.7;margin:0;}

/* ===== FAQ ===== */
.faq-section{background:var(--bg-base);}
.faq-wrap{max-width:760px;margin:0 auto;}
.faq-item{
  background:#fff;border-radius:var(--radius-md);margin-bottom:16px;
  box-shadow:var(--shadow-card);border:1px solid var(--border-soft);overflow:hidden;
  transition:box-shadow .3s ease,border-color .3s ease;
}
.faq-item:hover{border-color:rgba(19,196,163,.25);box-shadow:var(--shadow-hover);}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:22px 28px;background:none;border:none;cursor:pointer;text-align:left;
  font-size:16px;font-weight:700;color:var(--text-strong);transition:color .2s;
}
.faq-q:hover{color:var(--brand-deep);}
.faq-q .faq-icon{
  width:28px;height:28px;border-radius:50%;background:rgba(11,107,90,.1);color:var(--brand-deep);
  display:flex;align-items:center;justify-content:center;font-size:13px;flex-shrink:0;
  transition:transform .3s ease,background .3s ease,color .3s ease;
}
.faq-item.active .faq-icon{transform:rotate(45deg);background:var(--brand-deep);color:#fff;}
.faq-a{
  max-height:0;overflow:hidden;transition:max-height .35s ease;
}
.faq-a-inner{padding:0 28px 24px;font-size:15px;color:var(--text-muted);line-height:1.9;}

/* ===== CTA ===== */
.cta-section{
  position:relative;padding:100px 0;text-align:center;background:var(--bg-dark);overflow:hidden;
}
.cta-section::before{
  content:"";position:absolute;top:50%;left:50%;width:560px;height:560px;transform:translate(-50%,-50%);
  background:radial-gradient(circle,rgba(19,196,163,.14),transparent 60%);
}
.cta-section::after{
  content:"";position:absolute;bottom:-120px;left:10%;width:320px;height:320px;border-radius:50%;
  background:radial-gradient(circle,rgba(245,165,36,.12),transparent 65%);
}
.cta-inner{position:relative;z-index:2;max-width:640px;margin:0 auto;}
.cta-title{font-size:40px;font-weight:800;color:#fff;margin-bottom:16px;line-height:1.3;}
.cta-title span{color:var(--brand-bright);}
.cta-desc{font-size:16px;color:rgba(255,255,255,.65);margin-bottom:36px;line-height:1.8;}
.cta-btns{display:flex;gap:16px;justify-content:center;flex-wrap:wrap;}
.cta-btn{
  display:inline-flex;align-items:center;gap:8px;
  background:var(--accent);color:#1A1D1A;font-size:17px;font-weight:700;
  padding:16px 38px;border-radius:6px;transition:all .25s ease;box-shadow:var(--shadow-cta);
}
.cta-btn:hover{background:#e19112;transform:translateY(-3px) scale(1.02);box-shadow:0 16px 36px -6px rgba(245,165,36,.6);color:#1A1D1A;}
.cta-btn-outline{
  display:inline-flex;align-items:center;gap:8px;
  background:transparent;color:#fff;font-size:17px;font-weight:600;
  padding:16px 34px;border-radius:6px;border:1.5px solid rgba(255,255,255,.4);
  transition:all .25s ease;
}
.cta-btn-outline:hover{background:rgba(255,255,255,.1);border-color:var(--brand-bright);color:#fff;transform:translateY(-3px);}

/* ===== Footer ===== */
.site-footer{background:var(--bg-dark);color:rgba(255,255,255,.7);padding:70px 0 0;position:relative;}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:48px;padding-bottom:48px;border-bottom:1px solid rgba(255,255,255,.08);}
.footer-brand .brand{margin-bottom:18px;}
.footer-brand .brand-name{color:#fff;}
.footer-brand .brand-name span{color:var(--brand-bright);}
.footer-desc{font-size:14px;line-height:1.8;color:rgba(255,255,255,.55);margin-bottom:24px;max-width:300px;}
.footer-social{display:flex;gap:12px;}
.footer-social a{
  width:38px;height:38px;border-radius:50%;background:rgba(255,255,255,.08);
  display:flex;align-items:center;justify-content:center;font-size:15px;color:rgba(255,255,255,.7);
  transition:all .25s ease;
}
.footer-social a:hover{background:var(--accent);color:#1A1D1A;transform:translateY(-3px);}
.footer-col h3{font-size:15px;font-weight:700;color:#fff;margin-bottom:20px;letter-spacing:.5px;}
.footer-col ul li{margin-bottom:12px;}
.footer-col ul a{
  color:rgba(255,255,255,.55);font-size:14px;position:relative;padding-bottom:2px;
  transition:color .2s ease;
}
.footer-col ul a::after{
  content:"";position:absolute;left:0;bottom:0;width:0;height:1px;background:var(--accent);
  transition:width .2s ease;
}
.footer-col ul a:hover{color:var(--accent);}
.footer-col ul a:hover::after{width:100%;}
.footer-contact li{display:flex;align-items:center;gap:10px;font-size:14px;color:rgba(255,255,255,.55);}
.footer-contact li i{color:var(--brand-bright);width:16px;text-align:center;}
.footer-bottom{padding:24px 0;text-align:center;font-size:13px;color:rgba(255,255,255,.4);}

/* ===== Reveal Animation ===== */
.reveal{opacity:0;transform:translateY(24px);transition:opacity .6s ease,transform .6s ease;}
.reveal.visible{opacity:1;transform:translateY(0);}
.reveal-delay-1{transition-delay:.1s;}
.reveal-delay-2{transition-delay:.2s;}
.reveal-delay-3{transition-delay:.3s;}

/* ===== Focus Visible ===== */
a:focus-visible,button:focus-visible,input:focus-visible{
  outline:2px solid var(--brand-deep);outline-offset:2px;border-radius:4px;
}

/* ===== Responsive ===== */
@media (max-width:1024px){
  .reg-hero .container{flex-direction:column;gap:40px;}
  .hero-content{flex:1 1 auto;max-width:100%;}
  .hero-title{font-size:40px;}
  .hero-image-wrap{max-width:100%;margin:0;}
  .steps-grid{grid-template-columns:repeat(2,1fr);}
  .steps-grid::before{display:none;}
  .methods-grid{grid-template-columns:repeat(2,1fr);}
  .security-grid{grid-template-columns:repeat(2,1fr);}
  .footer-grid{grid-template-columns:1fr 1fr;gap:36px;}
  .trust-grid{grid-template-columns:repeat(2,1fr);}
}
@media (max-width:768px){
  .main-nav,.header-search,.header-actions .header-link{display:none;}
  .nav-toggle{display:inline-flex;align-items:center;justify-content:center;}
  .section{padding:60px 0;}
  .section-title{font-size:28px;}
  .reg-hero{padding-top:calc(var(--header-h) + 32px);}
  .hero-title{font-size:32px;}
  .hero-sub{font-size:15px;}
  .hero-card-float{left:12px;bottom:-18px;padding:12px 16px;min-width:180px;}
  .trust-grid{grid-template-columns:1fr 1fr;gap:16px;}
  .trust-cell .num{font-size:32px;}
  .steps-grid{grid-template-columns:1fr;gap:20px;}
  .methods-grid{grid-template-columns:1fr;gap:24px;}
  .security-grid{grid-template-columns:1fr;gap:20px;}
  .cta-title{font-size:30px;}
  .cta-btns{flex-direction:column;align-items:center;}
  .cta-btn,.cta-btn-outline{width:100%;justify-content:center;min-width:280px;}
  .footer-grid{grid-template-columns:1fr;gap:32px;}
  .btn-primary,.btn-secondary{width:100%;justify-content:center;}
  .hero-btns{flex-direction:column;}
}
@media (max-width:520px){
  .container{padding:0 16px;}
  .brand-name{font-size:17px;}
  .brand-icon{width:34px;height:34px;font-size:15px;}
  .hero-title{font-size:28px;}
  .section-title{font-size:24px;}
  .trust-grid{grid-template-columns:1fr;}
  .hero-trust{flex-direction:column;gap:12px;}
}

/* roulang page: category3 */
:root {
  --brand-deep: #0B6B5A;
  --brand-bright: #13C4A3;
  --accent: #F5A524;
  --pop: #F43F5E;
  --bg-base: #F7F5F2;
  --bg-dark: #0E1F1C;
  --text-strong: #1A1D1A;
  --text-muted: #5C6B63;
  --border-soft: #E2E8E2;
  --radius-sm: 6px;
  --radius-md: 12px;
  --radius-lg: 20px;
  --radius-pill: 999px;
  --shadow-card: 0 2px 12px rgba(15,35,30,.06);
  --shadow-hover: 0 12px 40px -12px rgba(11,107,90,.18);
  --shadow-cta: 0 8px 24px -6px rgba(245,165,36,.5);
  --transition: 250ms ease;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:"Noto Sans SC","PingFang SC","Microsoft YaHei","Archivo",system-ui,sans-serif;background:var(--bg-base);color:var(--text-strong);line-height:1.8;-webkit-font-smoothing:antialiased}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none;transition:color .25s ease}
button{font-family:inherit;cursor:pointer}
input,textarea{font-family:inherit}
ul{margin:0;padding:0;list-style:none}
.container{max-width:1200px;margin:0 auto;padding:0 24px}
.brand{display:inline-flex;align-items:center;gap:10px;color:#fff}
.brand-icon{width:38px;height:38px;border-radius:10px;background:var(--brand-deep);display:flex;align-items:center;justify-content:center;color:var(--accent);font-size:16px}
.brand-name{font-size:18px;font-weight:800;letter-spacing:.5px;white-space:nowrap}
.brand-name span{color:var(--brand-bright);font-weight:600}
.site-header{position:fixed;top:0;left:0;right:0;z-index:100;background:rgba(14,31,28,.72);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);border-bottom:1px solid rgba(255,255,255,.06);transition:background .3s ease,border-color .3s ease,box-shadow .3s ease}
.site-header.scrolled{background:rgba(14,31,28,.95);border-bottom-color:rgba(255,255,255,.08);box-shadow:0 8px 30px rgba(0,0,0,.25)}
.site-header .container{display:flex;align-items:center;justify-content:space-between;height:72px}
.header-left{display:flex;align-items:center;gap:36px}
.main-nav{display:flex;align-items:center;gap:28px}
.nav-link{position:relative;font-size:15px;font-weight:500;color:rgba(255,255,255,.82);padding:6px 2px;letter-spacing:.3px;transition:color .25s ease}
.nav-link::after{content:"";position:absolute;left:0;bottom:0;width:0;height:2px;background:var(--brand-bright);transition:width .25s ease;border-radius:2px}
.nav-link:hover{color:#fff}
.nav-link:hover::after{width:100%}
.nav-link.is-active{color:var(--brand-bright);font-weight:600}
.nav-link.is-active::before{content:"";display:inline-block;width:5px;height:5px;border-radius:50%;background:var(--accent);margin-right:6px;vertical-align:middle}
.header-right{display:flex;align-items:center;gap:18px}
.header-search{display:flex;align-items:center;gap:8px;background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.1);border-radius:999px;padding:0 14px;height:38px;transition:background .25s ease,border-color .25s ease,box-shadow .25s ease}
.header-search:focus-within{background:rgba(255,255,255,.14);border-color:var(--brand-bright);box-shadow:0 0 0 4px rgba(19,196,163,.15)}
.header-search .search-icon{font-size:13px;color:rgba(255,255,255,.6)}
.header-search input{background:transparent;border:none;outline:none;color:#fff;font-size:13px;width:130px}
.header-search input::placeholder{color:rgba(255,255,255,.45)}
.header-actions{display:flex;align-items:center;gap:14px}
.header-link{font-size:14px;font-weight:500;color:rgba(255,255,255,.85);transition:color .25s ease}
.header-link:hover{color:var(--accent)}
.header-btn{display:inline-flex;align-items:center;gap:6px;background:var(--accent);color:var(--bg-dark);font-size:14px;font-weight:600;padding:8px 18px;border-radius:6px;transition:background .25s ease,transform .25s ease,box-shadow .25s ease}
.header-btn:hover{background:#e0961d;transform:translateY(-2px);box-shadow:0 8px 20px -6px rgba(245,165,36,.5)}
.nav-toggle{display:none;background:transparent;border:1px solid rgba(255,255,255,.25);border-radius:8px;width:42px;height:42px;color:#fff;font-size:18px;align-items:center;justify-content:center}
.nav-toggle:hover{background:rgba(255,255,255,.08)}

.category-hero{position:relative;padding:168px 0 96px;background:var(--bg-dark);overflow:hidden}
.category-hero .hero-bg{position:absolute;inset:0;background-image:url('/assets/images/backpic/back-1.webp');background-size:cover;background-position:center;opacity:.36}
.category-hero .hero-bg::after{content:"";position:absolute;inset:0;background:linear-gradient(100deg,rgba(14,31,28,.96) 35%,rgba(14,31,28,.72) 70%,rgba(14,31,28,.4))}
.category-hero .container{position:relative;z-index:2}
.hero-inner{display:flex;align-items:center;gap:56px;min-height:320px}
.hero-content{flex:1.15}
.hero-tag{display:inline-flex;align-items:center;gap:8px;background:rgba(19,196,163,.12);border:1px solid rgba(19,196,163,.3);color:var(--brand-bright);font-size:13px;font-weight:600;padding:6px 16px;border-radius:999px;margin-bottom:22px;letter-spacing:1px}
.hero-tag::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--brand-bright);animation:pulse 2s infinite}
@keyframes pulse{0%,100%{opacity:1;transform:scale(1)}50%{opacity:.4;transform:scale(.8)}}
.category-hero h1{font-size:46px;line-height:1.2;font-weight:800;color:#fff;margin:0 0 18px;letter-spacing:.5px}
.category-hero h1 em{font-style:normal;color:var(--brand-bright)}
.hero-desc{font-size:17px;line-height:1.8;color:rgba(255,255,255,.75);max-width:560px;margin:0 0 30px}
.hero-actions{display:flex;align-items:center;gap:16px}
.btn-primary{display:inline-flex;align-items:center;gap:8px;background:var(--accent);color:var(--bg-dark);font-size:15px;font-weight:700;padding:13px 30px;border-radius:6px;border:none;transition:background .25s ease,transform .25s ease,box-shadow .25s ease}
.btn-primary:hover{background:#e0961d;transform:translateY(-2px);box-shadow:var(--shadow-cta)}
.btn-ghost{display:inline-flex;align-items:center;gap:8px;background:transparent;color:var(--brand-bright);font-size:15px;font-weight:600;padding:12px 28px;border-radius:6px;border:1.5px solid rgba(19,196,163,.55);transition:background .25s ease,border-color .25s ease,color .25s ease}
.btn-ghost:hover{background:rgba(19,196,163,.1);border-color:var(--brand-bright);color:#fff}
.hero-visual{flex:1;position:relative}
.hero-visual .visual-frame{border-radius:var(--radius-lg);overflow:hidden;box-shadow:0 24px 60px -15px rgba(0,0,0,.5);position:relative}
.hero-visual .visual-frame img{width:100%;height:320px;object-fit:cover}
.hero-float-card{position:absolute;top:-18px;right:-22px;background:var(--bg-base);border-radius:var(--radius-md);padding:18px 22px;box-shadow:var(--shadow-hover);display:flex;align-items:center;gap:14px;animation:floatY 4s ease-in-out infinite}
.hero-float-card .fc-icon{width:44px;height:44px;border-radius:12px;background:var(--brand-deep);color:var(--accent);display:flex;align-items:center;justify-content:center;font-size:18px}
.hero-float-card .fc-text .fc-title{font-size:14px;font-weight:700;color:var(--text-strong);line-height:1.3}
.hero-float-card .fc-text .fc-sub{font-size:12px;color:var(--text-muted)}
@keyframes floatY{0%,100%{transform:translateY(0)}50%{transform:translateY(-8px)}}
.hero-accent-line{position:absolute;bottom:24px;right:30px;width:120px;height:3px;background:linear-gradient(90deg,transparent,var(--accent));border-radius:2px}

.section{padding:92px 0}
.section-head{text-align:center;max-width:680px;margin:0 auto 56px}
.section-label{display:inline-block;font-size:13px;font-weight:700;color:var(--brand-deep);letter-spacing:2px;text-transform:uppercase;margin-bottom:10px;background:rgba(11,107,90,.08);padding:5px 16px;border-radius:999px}
.section-head h2{font-size:36px;line-height:1.3;font-weight:800;color:var(--text-strong);margin:0 0 14px}
.section-head p{font-size:16px;color:var(--text-muted);margin:0;line-height:1.8}

.feature-grid-section{background:var(--bg-base)}
.feature-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:22px}
.feature-card{background:#fff;border:1px solid var(--border-soft);border-radius:var(--radius-md);padding:30px 26px;transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;position:relative;overflow:hidden}
.feature-card::before{content:"";position:absolute;top:0;left:0;right:0;height:3px;background:linear-gradient(90deg,var(--brand-deep),var(--brand-bright));opacity:0;transition:opacity .25s ease}
.feature-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-hover);border-color:rgba(11,107,90,.2)}
.feature-card:hover::before{opacity:1}
.feature-card .fc-icon{width:50px;height:50px;border-radius:12px;background:rgba(11,107,90,.08);color:var(--brand-deep);display:flex;align-items:center;justify-content:center;font-size:20px;margin-bottom:20px;transition:background .25s ease,color .25s ease,transform .25s ease}
.feature-card:hover .fc-icon{background:var(--brand-deep);color:#fff;transform:scale(1.05)}
.feature-card h3{font-size:17px;font-weight:700;color:var(--text-strong);margin:0 0 10px}
.feature-card p{font-size:14px;line-height:1.7;color:var(--text-muted);margin:0}
.feature-card .card-num{position:absolute;top:18px;right:20px;font-size:30px;font-weight:800;color:rgba(11,107,90,.08);line-height:1}

.info-section{background:#fff;border-top:1px solid var(--border-soft);border-bottom:1px solid var(--border-soft)}
.info-block{display:flex;align-items:center;gap:64px;margin-bottom:88px}
.info-block:last-child{margin-bottom:0}
.info-block.reverse{flex-direction:row-reverse}
.info-visual{flex:1;position:relative;border-radius:var(--radius-lg);overflow:hidden;box-shadow:var(--shadow-card)}
.info-visual img{width:100%;height:360px;object-fit:cover;transition:transform .6s ease}
.info-visual:hover img{transform:scale(1.03)}
.info-content{flex:1}
.info-content .info-tag{display:inline-block;font-size:12px;font-weight:700;color:var(--brand-deep);background:rgba(11,107,90,.08);padding:5px 14px;border-radius:999px;letter-spacing:1px;margin-bottom:16px}
.info-content h2{font-size:30px;line-height:1.3;font-weight:800;color:var(--text-strong);margin:0 0 18px}
.info-content p{font-size:16px;line-height:1.85;color:var(--text-muted);margin:0 0 16px}
.info-content p:last-child{margin-bottom:0}
.info-list{margin-top:18px}
.info-list li{display:flex;align-items:center;gap:12px;font-size:15px;color:var(--text-strong);padding:8px 0;border-bottom:1px dashed var(--border-soft)}
.info-list li:last-child{border-bottom:none}
.info-list li i{color:var(--brand-bright);font-size:14px}

.faq-section{background:var(--bg-base)}
.faq-wrap{max-width:820px;margin:0 auto}
.faq-item{background:#fff;border:1px solid var(--border-soft);border-radius:var(--radius-md);margin-bottom:14px;overflow:hidden;transition:box-shadow .25s ease,border-color .25s ease}
.faq-item:hover{border-color:rgba(11,107,90,.2);box-shadow:var(--shadow-card)}
.faq-q{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:20px 24px;cursor:pointer;font-size:16px;font-weight:600;color:var(--text-strong);user-select:none}
.faq-q .faq-icon{width:32px;height:32px;flex-shrink:0;border-radius:50%;background:rgba(11,107,90,.08);color:var(--brand-deep);display:flex;align-items:center;justify-content:center;font-size:14px;transition:transform .3s ease,background .3s ease,color .3s ease}
.faq-item.active .faq-icon{transform:rotate(45deg);background:var(--brand-deep);color:#fff}
.faq-a{max-height:0;overflow:hidden;transition:max-height .4s ease}
.faq-a-inner{padding:0 24px 20px;font-size:15px;line-height:1.85;color:var(--text-muted)}

.cta-section{position:relative;background:var(--bg-dark);padding:96px 0;text-align:center;overflow:hidden}
.cta-section::before{content:"";position:absolute;top:-100px;right:-80px;width:340px;height:340px;border-radius:50%;background:radial-gradient(circle,rgba(19,196,163,.22),transparent 70%)}
.cta-section::after{content:"";position:absolute;bottom:-60px;left:-40px;width:260px;height:260px;border-radius:50%;background:radial-gradient(circle,rgba(245,165,36,.18),transparent 70%)}
.cta-inner{position:relative;z-index:2;max-width:720px;margin:0 auto}
.cta-section h2{font-size:38px;line-height:1.3;font-weight:800;color:#fff;margin:0 0 16px}
.cta-section p{font-size:17px;line-height:1.8;color:rgba(255,255,255,.7);margin:0 0 36px}
.cta-btn-group{display:flex;justify-content:center;gap:16px;flex-wrap:wrap}

.site-footer{background:#0A1714;padding:72px 0 28px}
.footer-grid{display:grid;grid-template-columns:1.4fr .8fr .9fr 1fr;gap:44px;margin-bottom:56px}
.footer-brand .brand{margin-bottom:18px}
.footer-desc{font-size:14px;line-height:1.8;color:rgba(255,255,255,.6);margin:0 0 22px;max-width:300px}
.footer-social{display:flex;gap:12px}
.footer-social a{width:38px;height:38px;border-radius:50%;background:rgba(255,255,255,.07);color:rgba(255,255,255,.7);display:flex;align-items:center;justify-content:center;font-size:15px;transition:background .25s ease,color .25s ease,transform .25s ease}
.footer-social a:hover{background:var(--accent);color:var(--bg-dark);transform:translateY(-3px)}
.footer-col h3{font-size:16px;font-weight:700;color:#fff;margin:0 0 18px}
.footer-col ul li{margin-bottom:10px}
.footer-col ul a{font-size:14px;color:rgba(255,255,255,.58);transition:color .25s ease}
.footer-col ul a:hover{color:var(--accent)}
.footer-contact li{display:flex;align-items:center;gap:10px;font-size:13px;color:rgba(255,255,255,.58);margin-bottom:12px}
.footer-contact li i{color:var(--brand-bright);font-size:14px;width:18px}
.footer-bottom{border-top:1px solid rgba(255,255,255,.08);padding-top:24px;display:flex;justify-content:center}
.footer-bottom p{font-size:13px;color:rgba(255,255,255,.4);margin:0}

::selection{background:rgba(19,196,163,.25)}
:focus-visible{outline:2px solid var(--brand-deep);outline-offset:2px;border-radius:4px}

@media(max-width:1024px){
  .brand-name{font-size:16px}
  .main-nav{gap:16px}
  .nav-link{font-size:14px}
  .header-search input{width:90px}
  .feature-grid{grid-template-columns:repeat(2,1fr)}
  .footer-grid{grid-template-columns:1fr 1fr}
}

@media(max-width:767px){
  .site-header .container{height:64px}
  .main-nav{position:fixed;top:64px;right:-100%;flex-direction:column;align-items:flex-start;background:var(--bg-dark);width:260px;height:calc(100vh - 64px);padding:30px 24px;gap:6px;transition:right .35s ease;border-left:1px solid rgba(255,255,255,.08);z-index:99}
  .main-nav.open{right:0}
  .nav-link{width:100%;padding:14px 4px;border-bottom:1px solid rgba(255,255,255,.06);font-size:16px}
  .nav-link::after{display:none}
  .header-search{display:none}
  .header-actions .header-link{display:none}
  .nav-toggle{display:flex}
  .category-hero{padding:130px 0 64px}
  .hero-inner{flex-direction:column;gap:40px;min-height:auto}
  .hero-content{flex:1}
  .category-hero h1{font-size:30px}
  .hero-desc{font-size:15px}
  .hero-actions{flex-direction:column;align-items:stretch}
  .hero-actions a{justify-content:center}
  .hero-visual{width:100%}
  .hero-visual .visual-frame img{height:220px}
  .hero-float-card{top:-14px;right:0;padding:14px 18px}
  .section{padding:64px 0}
  .section-head h2{font-size:27px}
  .feature-grid{grid-template-columns:1fr;gap:16px}
  .info-block,.info-block.reverse{flex-direction:column;gap:28px;margin-bottom:56px}
  .info-visual img{height:220px}
  .info-content h2{font-size:24px}
  .faq-q{font-size:15px;padding:16px 18px}
  .cta-section{padding:72px 0}
  .cta-section h2{font-size:28px}
  .cta-btn-group{flex-direction:column;align-items:center}
  .cta-btn-group a{width:100%;justify-content:center}
  .footer-grid{grid-template-columns:1fr;gap:32px}
  .footer-brand .brand{margin-bottom:14px}
}

@media(max-width:520px){
  .container{padding:0 18px}
  .brand-name{font-size:15px}
  .brand-icon{width:32px;height:32px;font-size:14px}
  .category-hero h1{font-size:26px}
  .hero-tag{font-size:12px}
  .feature-grid{grid-template-columns:1fr}
  .section-head h2{font-size:23px}
}