/* roulang page: index */
:root{
  --brand:#1E6F63;
  --brand-dark:#12463D;
  --brand-deep:#0F3A32;
  --brand-mid:#3E9C86;
  --brand-soft:#E7F2EE;
  --accent:#F2763C;
  --accent-soft:#FDEDE4;
  --sky:#6FA3AE;
  --bg:#F5F8F6;
  --bg-soft:#ECF3F0;
  --card:#FFFFFF;
  --text:#16211D;
  --text-2:#5A6A63;
  --text-3:#93A09A;
  --border:#E2E9E5;
  --radius-lg:24px;
  --radius-md:16px;
  --radius-sm:10px;
  --pill:999px;
  --shadow:0 8px 24px rgba(18,70,61,.08);
  --shadow-lg:0 16px 36px rgba(18,70,61,.14);
  --grad:linear-gradient(135deg,#12463D 0%,#1E6F63 52%,#3E9C86 100%);
  --grad-soft:linear-gradient(135deg,#E7F2EE 0%,#F5F8F6 100%);
  --container:1200px;
  --ease:.22s ease;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC","Helvetica Neue",Arial,sans-serif;
  font-size:16.5px;
  line-height:1.85;
  color:var(--text);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border-radius:var(--radius-md);}
a{color:var(--brand);text-decoration:none;transition:color var(--ease),background-color var(--ease),border-color var(--ease),box-shadow var(--ease),transform var(--ease);}
a:hover{color:var(--brand-dark);}
h1,h2,h3,h4,p,ul,ol,figure{margin:0;}
ul,ol{padding:0;list-style:none;}
button,input,select,textarea{font:inherit;color:inherit;}
button{cursor:pointer;border:0;background:none;}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:6px;}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px;}
.section{padding:96px 0;}
.section--soft{background:var(--bg-soft);}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:44px;flex-wrap:wrap;}
.section-title{font-size:32px;line-height:1.28;font-weight:800;letter-spacing:-.2px;}
.section-desc{font-size:16px;color:var(--text-2);max-width:620px;margin-top:10px;}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:700;letter-spacing:.14em;color:var(--brand);text-transform:uppercase;margin-bottom:14px;}
.eyebrow::before{content:"";width:22px;height:2px;border-radius:2px;background:var(--brand);}
.link-more{display:inline-flex;align-items:center;gap:8px;font-weight:700;color:var(--brand);white-space:nowrap;}
.link-more:hover{gap:12px;color:var(--brand-dark);}
.num{font-variant-numeric:tabular-nums;}

/* ---------- buttons ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:12px 24px;border-radius:var(--pill);font-weight:700;font-size:15.5px;border:1px solid transparent;transition:all var(--ease);}
.btn-primary{background:var(--grad);color:#fff;box-shadow:0 10px 22px rgba(18,70,61,.22);}
.btn-primary:hover{color:#fff;transform:translateY(-1px);box-shadow:var(--shadow-lg);}
.btn-primary:active{transform:translateY(1px);box-shadow:0 6px 14px rgba(18,70,61,.2);}
.btn-outline{background:#fff;color:var(--brand);border-color:var(--brand);}
.btn-outline:hover{background:var(--brand-soft);color:var(--brand-dark);border-color:var(--brand-dark);}
.btn-ghost{background:rgba(255,255,255,.12);color:#fff;border-color:rgba(255,255,255,.65);}
.btn-ghost:hover{background:rgba(255,255,255,.22);color:#fff;border-color:#fff;}
.btn-lg{padding:15px 32px;font-size:16.5px;}
.btn-sm{padding:9px 20px;font-size:14.5px;}
.btn-block{width:100%;}
.btn[disabled],.btn.is-disabled{opacity:.55;filter:saturate(.6);pointer-events:none;}

/* ---------- badges ---------- */
.badge{display:inline-flex;align-items:center;gap:8px;height:30px;padding:0 14px;border-radius:var(--pill);background:var(--brand-soft);color:var(--brand-dark);font-size:13.5px;font-weight:700;}
.badge .dot{width:6px;height:6px;border-radius:50%;background:var(--accent);}
.badge-hero{background:rgba(255,255,255,.16);color:#fff;border:1px solid rgba(255,255,255,.4);backdrop-filter:blur(2px);}
.badge-hero .dot{background:#FFD8C4;}
.badge-accent{background:var(--accent-soft);color:#B84A16;}
.badge-sky{background:#EAF3F5;color:#3C737E;}
.badge-sky .dot{background:var(--sky);}

/* ---------- header ---------- */
.site-header{position:sticky;top:0;z-index:80;background:#fff;border-bottom:1px solid var(--border);box-shadow:0 1px 10px rgba(18,70,61,.05);}
.header-inner{display:flex;align-items:center;gap:26px;height:70px;}
.logo{display:flex;align-items:center;gap:10px;flex-shrink:0;}
.logo-mark{display:inline-flex;width:36px;height:36px;border-radius:12px;background:var(--brand-soft);color:var(--brand);align-items:center;justify-content:center;}
.logo-mark svg{width:22px;height:22px;}
.logo-text{font-size:18px;font-weight:800;color:var(--brand-dark);letter-spacing:-.2px;white-space:nowrap;}
.main-nav{display:flex;align-items:center;gap:6px;margin-left:8px;}
.nav-link{position:relative;padding:10px 14px;font-size:15.5px;font-weight:600;color:var(--text-2);border-radius:var(--radius-sm);}
.nav-link:hover{color:var(--brand);background:var(--brand-soft);}
.nav-link.active{color:var(--brand);font-weight:800;}
.nav-link.active::after{content:"";position:absolute;left:50%;transform:translateX(-50%);bottom:2px;width:20px;height:2px;border-radius:2px;background:var(--brand);}
.header-right{display:flex;align-items:center;gap:14px;margin-left:auto;}
.search-box{display:flex;align-items:center;gap:8px;height:40px;padding:0 16px;border-radius:var(--pill);background:var(--bg);border:1px solid var(--border);transition:all var(--ease);}
.search-box:focus-within{border-color:var(--brand);box-shadow:0 0 0 3px rgba(30,111,99,.14);background:#fff;}
.search-box svg{width:16px;height:16px;color:var(--text-3);flex-shrink:0;}
.search-input{border:0;background:transparent;outline:none;width:172px;font-size:14.5px;color:var(--text);}
.search-input::placeholder{color:var(--text-3);}
.search-toggle{display:none;width:40px;height:40px;border-radius:var(--pill);background:var(--bg);border:1px solid var(--border);align-items:center;justify-content:center;color:var(--text-2);}
.search-toggle svg{width:17px;height:17px;}
.menu-toggle{display:none;width:42px;height:42px;border-radius:12px;border:1px solid var(--border);background:var(--bg);align-items:center;justify-content:center;flex-direction:column;gap:4px;}
.menu-toggle span{display:block;width:18px;height:2px;border-radius:2px;background:var(--text);}

/* ---------- drawer ---------- */
.drawer-mask{position:fixed;inset:0;background:rgba(15,58,50,.42);opacity:0;visibility:hidden;transition:all var(--ease);z-index:90;}
.drawer-mask.open{opacity:1;visibility:visible;}
.drawer{position:fixed;top:0;right:0;width:320px;max-width:86vw;height:100%;background:#fff;border-radius:20px 0 0 20px;transform:translateX(105%);transition:transform .26s ease;z-index:95;display:flex;flex-direction:column;padding:22px 22px 26px;}
.drawer.open{transform:translateX(0);}
.drawer-head{display:flex;align-items:center;justify-content:space-between;padding-bottom:16px;border-bottom:1px solid var(--border);}
.drawer-head strong{color:var(--brand-dark);font-size:16px;}
.drawer-close{width:36px;height:36px;border-radius:10px;background:var(--bg);color:var(--text-2);display:flex;align-items:center;justify-content:center;font-size:18px;line-height:1;}
.drawer-group{padding-top:18px;}
.drawer-group h4{font-size:13px;letter-spacing:.12em;color:var(--text-3);margin-bottom:10px;font-weight:700;}
.drawer-link{display:block;padding:12px 14px;border-radius:12px;font-size:16px;font-weight:600;color:var(--text);margin-bottom:6px;}
.drawer-link:hover{background:var(--brand-soft);color:var(--brand-dark);}
.drawer-link.active{background:var(--brand-soft);color:var(--brand);}
.drawer-cta{margin-top:auto;padding-top:18px;border-top:1px solid var(--border);}

/* ---------- hero ---------- */
.hero{position:relative;min-height:608px;display:flex;align-items:center;overflow:hidden;background:var(--brand-dark);}
.hero-media{position:absolute;inset:0;background-image:url('/assets/images/backpic/back-1.webp');background-size:cover;background-position:center;}
.hero-media::after{content:"";position:absolute;inset:0;background:linear-gradient(100deg,rgba(18,70,61,.86) 0%,rgba(30,111,99,.62) 48%,rgba(242,118,60,.28) 100%);}
.hero-inner{position:relative;z-index:2;padding-top:78px;padding-bottom:78px;max-width:900px;}
.hero-badges{display:flex;flex-wrap:wrap;gap:12px;margin-bottom:26px;}
.hero-title{font-size:50px;line-height:1.16;font-weight:800;color:#fff;letter-spacing:-.5px;}
.hero-sub{margin-top:20px;font-size:19px;line-height:1.75;color:rgba(255,255,255,.9);max-width:640px;}
.hero-actions{display:flex;flex-wrap:wrap;gap:16px;margin-top:34px;}
.hero-trust{display:flex;flex-wrap:wrap;gap:22px;margin-top:38px;padding-top:22px;border-top:1px solid rgba(255,255,255,.25);}
.hero-trust li{position:relative;padding-left:20px;font-size:14.5px;color:rgba(255,255,255,.86);}
.hero-trust li::before{content:"";position:absolute;left:0;top:8px;width:9px;height:9px;border-radius:50%;border:2px solid #7FD3BD;}

/* ---------- stats ---------- */
.stats-band{background:var(--card);border-bottom:1px solid var(--border);}
.stats-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;padding:38px 0;}
.stat-item{padding-left:20px;border-left:3px solid var(--brand-soft);}
.stat-num{font-size:32px;font-weight:800;color:var(--brand-dark);line-height:1.2;}
.stat-num small{font-size:15px;font-weight:700;color:var(--brand);margin-left:3px;}
.stat-label{font-size:14px;color:var(--text-2);margin-top:4px;}

/* ---------- timeline ---------- */
.timeline{position:relative;display:grid;grid-template-columns:repeat(5,1fr);gap:20px;}
.timeline::before{content:"";position:absolute;top:15px;left:6%;right:6%;height:2px;background:linear-gradient(90deg,var(--brand-soft),var(--sky),var(--brand-soft));}
.tl-item{position:relative;padding-top:0;}
.tl-node{position:relative;width:32px;height:32px;border-radius:50%;background:var(--grad);color:#fff;display:flex;align-items:center;justify-content:center;font-size:14px;font-weight:800;box-shadow:0 0 0 8px var(--brand-soft);z-index:2;}
.tl-card{margin-top:24px;background:var(--card);border:1px solid var(--border);border-radius:var(--radius-md);padding:20px 20px 22px;box-shadow:var(--shadow);transition:all var(--ease);height:100%;}
.tl-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg);border-color:#BFDCD3;}
.tl-time{display:inline-block;font-size:12.5px;font-weight:700;color:var(--brand);background:var(--brand-soft);border-radius:var(--pill);padding:3px 11px;margin-bottom:10px;}
.tl-title{font-size:17px;font-weight:800;margin-bottom:8px;}
.tl-desc{font-size:14.5px;color:var(--text-2);line-height:1.75;}

/* ---------- highlight ---------- */
.highlight-grid{display:grid;grid-template-columns:1fr 1fr;gap:26px;align-items:start;}
.hl-main{background:var(--card);border:1px solid var(--border);border-radius:var(--radius-lg);overflow:hidden;box-shadow:var(--shadow);transition:all var(--ease);}
.hl-main:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg);}
.hl-media{position:relative;aspect-ratio:16/10;background:var(--brand-soft);}
.hl-media img{width:100%;height:100%;object-fit:cover;border-radius:0;}
.hl-tag{position:absolute;left:18px;bottom:18px;background:rgba(255,255,255,.94);color:var(--brand-dark);font-size:13px;font-weight:700;padding:6px 14px;border-radius:var(--pill);}
.hl-body{padding:28px 30px 32px;}
.hl-body h3{font-size:22px;font-weight:800;margin-bottom:12px;}
.hl-body p{color:var(--text-2);font-size:15.5px;}
.hl-points{display:flex;flex-wrap:wrap;gap:10px;margin-top:20px;}
.team-grid{display:grid;grid-template-columns:1fr 1fr;gap:26px;}
.team-card{background:var(--card);border:1px solid var(--border);border-radius:var(--radius-md);padding:24px;box-shadow:var(--shadow);transition:all var(--ease);}
.team-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg);border-color:#BFDCD3;}
.avatar{width:58px;height:58px;border-radius:50%;overflow:hidden;background:var(--bg-soft);border:2px solid #fff;box-shadow:0 4px 12px rgba(18,70,61,.12);}
.avatar img{width:100%;height:100%;object-fit:cover;border-radius:50%;}
.team-name{font-size:17px;font-weight:800;margin-top:14px;}
.team-role{font-size:14px;color:var(--text-2);}
.team-card .badge{margin-top:14px;}

/* ---------- scene strip ---------- */
.scene-strip{display:flex;gap:22px;overflow-x:auto;padding:6px 4px 22px;scroll-snap-type:x mandatory;}
.scene-strip::-webkit-scrollbar{height:6px;}
.scene-strip::-webkit-scrollbar-thumb{background:#C8DBD5;border-radius:6px;}
.scene-card{flex:0 0 330px;scroll-snap-align:start;background:var(--card);border:1px solid var(--border);border-radius:var(--radius-lg);overflow:hidden;box-shadow:var(--shadow);transition:all var(--ease);}
.scene-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg);}
.scene-card .scene-media{aspect-ratio:16/10;background:var(--brand-soft);overflow:hidden;}
.scene-card .scene-media img{width:100%;height:100%;object-fit:cover;border-radius:0;}
.scene-body{padding:20px 22px 24px;}
.scene-body h4{font-size:17px;font-weight:800;margin-bottom:8px;}
.scene-body p{font-size:14.5px;color:var(--text-2);}

/* ---------- plans ---------- */
.plan-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:26px;align-items:stretch;}
.plan-card{position:relative;display:flex;flex-direction:column;background:var(--card);border:1px solid var(--border);border-radius:var(--radius-lg);padding:32px 30px;box-shadow:var(--shadow);transition:all var(--ease);}
.plan-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg);}
.plan-card.featured{border:2px solid transparent;background:linear-gradient(#fff,#fff) padding-box,var(--grad) border-box;transform:scale(1.03);box-shadow:0 18px 40px rgba(18,70,61,.16);z-index:2;}
.plan-card.featured:hover{transform:scale(1.03) translateY(-4px);}
.plan-badge{position:absolute;top:-14px;left:50%;transform:translateX(-50%);background:var(--accent);color:#fff;font-size:13px;font-weight:700;padding:6px 18px;border-radius:var(--pill);box-shadow:0 8px 18px rgba(242,118,60,.32);}
.plan-name{font-size:20px;font-weight:800;}
.plan-price{display:flex;align-items:baseline;gap:6px;margin:16px 0 6px;color:var(--brand-dark);}
.plan-price strong{font-size:38px;font-weight:800;line-height:1;}
.plan-price span{font-size:14.5px;color:var(--text-2);font-weight:600;}
.plan-note{font-size:14px;color:var(--text-3);padding-bottom:20px;border-bottom:1px dashed var(--border);margin-bottom:20px;}
.plan-list{display:flex;flex-direction:column;gap:13px;margin-bottom:26px;}
.plan-list li{display:flex;gap:11px;font-size:15px;color:var(--text-2);line-height:1.7;}
.check{flex-shrink:0;width:20px;height:20px;border-radius:50%;background:var(--brand-soft);color:var(--brand);display:flex;align-items:center;justify-content:center;font-size:12px;font-weight:900;margin-top:3px;}
.plan-card .btn{margin-top:auto;}

/* ---------- quotes ---------- */
.quote-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.quote-card{background:var(--card);border:1px solid var(--border);border-radius:var(--radius-md);padding:28px;box-shadow:var(--shadow);transition:all var(--ease);}
.quote-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg);}
.quote-text{font-size:15.5px;color:var(--text-2);line-height:1.85;}
.quote-author{display:flex;align-items:center;gap:12px;margin-top:20px;padding-top:18px;border-top:1px solid var(--border);}
.quote-author .avatar{width:42px;height:42px;}
.quote-author strong{display:block;font-size:15px;}
.quote-author span{font-size:13.5px;color:var(--text-3);}

/* ---------- news ---------- */
.news-wrap{display:grid;grid-template-columns:1.05fr 1fr;gap:30px;align-items:start;}
.lead-card{background:var(--card);border:1px solid var(--border);border-radius:var(--radius-lg);overflow:hidden;box-shadow:var(--shadow);transition:all var(--ease);}
.lead-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg);}
.lead-media{aspect-ratio:16/10;background:var(--brand-soft);overflow:hidden;}
.lead-media img{width:100%;height:100%;object-fit:cover;border-radius:0;}
.lead-body{padding:26px 28px 30px;}
.lead-body h3{font-size:21px;font-weight:800;line-height:1.45;margin:12px 0 10px;}
.lead-body h3 a{color:var(--text);}
.lead-body h3 a:hover{color:var(--brand);}
.lead-body p{font-size:15px;color:var(--text-2);display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;}
.tag{display:inline-flex;align-items:center;height:26px;padding:0 12px;border-radius:var(--pill);background:var(--brand-soft);color:var(--brand-dark);font-size:13px;font-weight:700;}
.meta-row{display:flex;align-items:center;gap:14px;flex-wrap:wrap;margin-top:16px;font-size:13.5px;color:var(--text-3);}
.news-list{display:flex;flex-direction:column;gap:14px;}
.news-item{display:flex;align-items:flex-start;gap:16px;background:var(--card);border:1px solid var(--border);border-radius:var(--radius-md);padding:18px 20px;transition:all var(--ease);}
.news-item:hover{transform:translateX(4px);border-color:#BFDCD3;box-shadow:var(--shadow);}
.ni-main{flex:1;min-width:0;}
.ni-title{display:block;font-size:16.5px;font-weight:700;color:var(--text);margin:8px 0 6px;line-height:1.5;}
.ni-title:hover{color:var(--brand);}
.ni-desc{font-size:14px;color:var(--text-2);display:-webkit-box;-webkit-line-clamp:1;-webkit-box-orient:vertical;overflow:hidden;}
.ni-meta{font-size:13px;color:var(--text-3);margin-top:8px;}
.ni-arrow{flex-shrink:0;width:30px;height:30px;border-radius:50%;background:var(--brand-soft);color:var(--brand);display:flex;align-items:center;justify-content:center;font-size:14px;margin-top:4px;transition:all var(--ease);}
.news-item:hover .ni-arrow{background:var(--brand);color:#fff;transform:translateX(2px);}
.empty-state{background:var(--card);border:1px dashed #C8DBD5;border-radius:var(--radius-lg);padding:52px 30px;text-align:center;box-shadow:var(--shadow);}
.empty-mark{width:72px;height:72px;border-radius:22px;background:var(--brand-soft);margin:0 auto 18px;display:flex;align-items:center;justify-content:center;}
.empty-mark svg{width:34px;height:34px;color:var(--brand);}
.empty-state h3{font-size:19px;font-weight:800;margin-bottom:8px;}
.empty-state p{color:var(--text-2);font-size:15px;margin-bottom:22px;}

/* ---------- cta band ---------- */
.cta-band{position:relative;overflow:hidden;background:var(--grad);border-radius:28px;padding:52px 54px;display:grid;grid-template-columns:1fr 1fr;gap:46px;align-items:center;box-shadow:0 24px 50px rgba(18,70,61,.22);}
.cta-band::after{content:"";position:absolute;right:-90px;top:-90px;width:320px;height:320px;border-radius:50%;background:rgba(255,255,255,.08);}
.cta-copy{position:relative;z-index:2;color:#fff;}
.cta-copy h2{font-size:30px;font-weight:800;line-height:1.32;}
.cta-copy p{margin-top:14px;color:rgba(255,255,255,.88);font-size:16px;}
.cta-form{position:relative;z-index:2;background:rgba(255,255,255,.96);border-radius:20px;padding:28px;box-shadow:0 18px 40px rgba(15,58,50,.2);}
.field{margin-bottom:16px;}
.field-label{display:block;font-size:13.5px;font-weight:700;color:var(--text-2);margin-bottom:7px;}
.field-input,.field-select{width:100%;height:46px;padding:0 15px;border-radius:12px;border:1px solid var(--border);background:#fff;font-size:15px;color:var(--text);outline:none;transition:all var(--ease);}
.field-select{appearance:none;background-image:linear-gradient(45deg,transparent 50%,var(--text-2) 50%),linear-gradient(135deg,var(--text-2) 50%,transparent 50%);background-position:calc(100% - 20px) 21px,calc(100% - 15px) 21px;background-size:5px 5px,5px 5px;background-repeat:no-repeat;}
.field-input:focus,.field-select:focus{border-color:var(--brand);box-shadow:0 0 0 3px rgba(30,111,99,.14);}
.field.error .field-input,.field.error .field-select{border-color:var(--accent);box-shadow:0 0 0 3px rgba(242,118,60,.16);}
.field-error{display:none;font-size:13px;color:#C24C13;margin-top:6px;}
.field.error .field-error{display:block;}
.form-msg{display:none;margin-top:14px;padding:12px 16px;border-radius:12px;font-size:14px;background:#E6F5EE;color:#14654F;border:1px solid #BCE3D3;}
.form-msg.show{display:block;}
.form-tip{font-size:12.5px;color:var(--text-3);margin-top:12px;text-align:center;}

/* ---------- faq ---------- */
.faq-list{max-width:900px;margin:0 auto;}
.faq-item{background:var(--card);border:1px solid var(--border);border-radius:var(--radius-md);margin-bottom:14px;overflow:hidden;transition:all var(--ease);}
.faq-item:hover{border-color:#BFDCD3;box-shadow:var(--shadow);}
.faq-item summary{list-style:none;cursor:pointer;padding:20px 24px;font-size:17px;font-weight:700;display:flex;align-items:center;justify-content:space-between;gap:16px;}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary::after{content:"+";font-size:22px;font-weight:400;color:var(--brand);line-height:1;transition:transform var(--ease);}
.faq-item[open] summary::after{transform:rotate(45deg);}
.faq-item[open] summary{color:var(--brand-dark);}
.faq-a{padding:0 24px 22px;font-size:15px;color:var(--text-2);line-height:1.85;border-top:1px solid var(--border);margin-top:2px;padding-top:16px;}

/* ---------- footer ---------- */
.site-footer{background:var(--brand-deep);color:rgba(255,255,255,.72);padding:72px 0 0;margin-top:0;}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:38px;padding-bottom:52px;}
.footer-brand .logo-text{color:#fff;}
.footer-brand .logo-mark{background:rgba(255,255,255,.12);color:#9FE0CC;}
.footer-desc{margin-top:18px;font-size:14.5px;line-height:1.85;color:rgba(255,255,255,.7);max-width:330px;}
.footer-badges{display:flex;flex-wrap:wrap;gap:10px;margin-top:20px;}
.fb-badge{display:inline-flex;align-items:center;gap:7px;height:28px;padding:0 13px;border-radius:var(--pill);background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.2);color:#fff;font-size:12.5px;font-weight:700;}
.fb-badge i{width:5px;height:5px;border-radius:50%;background:#7FD3BD;}
.footer-col h4{font-size:15px;font-weight:800;color:#fff;margin-bottom:18px;}
.footer-links li{margin-bottom:12px;}
.footer-links a{color:rgba(255,255,255,.72);font-size:14.5px;}
.footer-links a:hover{color:#fff;text-decoration:underline;}
.footer-bottom{border-top:1px solid rgba(255,255,255,.14);padding:22px 0;display:flex;justify-content:space-between;align-items:center;gap:16px;flex-wrap:wrap;font-size:13.5px;color:rgba(255,255,255,.6);}

/* ---------- responsive ---------- */
@media (max-width:1279px){
  .hero-title{font-size:44px;}
  .container{padding:0 22px;}
}
@media (max-width:1023px){
  .main-nav{display:none;}
  .search-box{display:none;}
  .search-box.open{display:flex;position:absolute;left:22px;right:22px;top:76px;z-index:88;background:#fff;box-shadow:var(--shadow-lg);}
  .search-box.open .search-input{width:100%;}
  .search-toggle{display:inline-flex;}
  .menu-toggle{display:inline-flex;flex-direction:column;}
  .header-cta{display:none;}
  .section{padding:72px 0;}
  .section-title{font-size:28px;}
  .hero{min-height:520px;}
  .hero-title{font-size:38px;}
  .hero-sub{font-size:17px;}
  .stats-grid{grid-template-columns:repeat(2,1fr);gap:20px;}
  .timeline{grid-template-columns:1fr;gap:0;}
  .timeline::before{left:15px;top:10px;bottom:10px;right:auto;width:2px;height:auto;background:linear-gradient(180deg,var(--brand-soft),var(--sky),var(--brand-soft));}
  .tl-item{display:grid;grid-template-columns:32px 1fr;gap:20px;padding-bottom:22px;}
  .tl-card{margin-top:0;}
  .highlight-grid{grid-template-columns:1fr;}
  .news-wrap{grid-template-columns:1fr;}
  .plan-grid{grid-template-columns:1fr;}
  .plan-card.featured{transform:none;}
  .plan-card.featured:hover{transform:translateY(-4px);}
  .quote-grid{grid-template-columns:1fr 1fr;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
  .cta-band{grid-template-columns:1fr;padding:40px 32px;gap:32px;}
}
@media (max-width:767px){
  body{font-size:16px;}
  .hero{min-height:auto;}
  .hero-inner{padding-top:56px;padding-bottom:56px;}
  .hero-title{font-size:30px;}
  .hero-sub{font-size:16px;}
  .hero-actions{flex-direction:column;align-items:stretch;}
  .hero-actions .btn{width:100%;}
  .section{padding:56px 0;}
  .section-title{font-size:24px;}
  .stats-grid{grid-template-columns:1fr;}
  .team-grid{grid-template-columns:1fr;}
  .quote-grid{grid-template-columns:1fr;}
  .scene-card{flex:0 0 264px;}
  .footer-grid{grid-template-columns:1fr;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
  .cta-band{border-radius:20px;padding:32px 22px;}
  .cta-copy h2{font-size:23px;}
  .cta-form{padding:22px;}
  .hl-body,.plan-card{padding:24px 22px;}
}
@media (max-width:479px){
  .container{padding:0 16px;}
  .logo-text{font-size:16px;}
  .hero-title{font-size:26px;}
  .section-title{font-size:21px;}
  .stat-num{font-size:26px;}
}
@media (prefers-reduced-motion:reduce){
  *{transition:none !important;animation:none !important;scroll-behavior:auto !important;}
}

/* roulang page: article */
:root{
  --primary:#1E6F63;
  --primary-dark:#12463D;
  --primary-deep:#0F3A32;
  --primary-light:#E7F2EE;
  --accent:#F2763C;
  --accent-light:#FDEDE4;
  --sky:#6FA3AE;
  --bg:#F5F8F6;
  --bg-alt:#ECF3F0;
  --card:#FFFFFF;
  --text:#16211D;
  --text-2:#5A6A63;
  --text-3:#93A09A;
  --border:#E2E9E5;
  --grad:linear-gradient(135deg,#12463D 0%,#1E6F63 52%,#3E9C86 100%);
  --grad-soft:linear-gradient(100deg,rgba(18,70,61,.90) 0%,rgba(30,111,99,.62) 55%,rgba(242,118,60,.28) 100%);
  --r-lg:24px;
  --r-md:16px;
  --r-sm:10px;
  --r-pill:999px;
  --sh:0 8px 24px rgba(18,70,61,.08);
  --sh-hover:0 16px 36px rgba(18,70,61,.14);
  --t:.22s ease;
  --container:1200px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC",-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,sans-serif;
  font-size:16.5px;
  line-height:1.85;
  color:var(--text);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;height:auto;}
a{color:var(--primary);text-decoration:none;transition:color var(--t),border-color var(--t),background var(--t);}
a:hover{color:var(--primary-dark);}
button,input,select,textarea{font:inherit;color:inherit;}
button{cursor:pointer;border:0;background:none;}
ul,ol{margin:0;padding:0;}
h1,h2,h3,h4,p{margin:0;}
h1,h2,h3,h4{line-height:1.25;color:var(--text);font-weight:700;}
:focus-visible{outline:2px solid var(--primary);outline-offset:2px;border-radius:4px;}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px;}
.badge{
  display:inline-flex;align-items:center;gap:8px;
  height:30px;padding:0 14px;border-radius:var(--r-pill);
  background:var(--primary-light);color:var(--primary);
  font-size:13.5px;font-weight:600;letter-spacing:.2px;
}
.badge::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--primary);flex:none;}
.badge.accent{background:var(--accent-light);color:#C4551F;}
.badge.accent::before{background:var(--accent);}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 26px;border-radius:var(--r-pill);
  font-size:15.5px;font-weight:600;white-space:nowrap;
  transition:transform var(--t),box-shadow var(--t),background var(--t),color var(--t),border-color var(--t);
}
.btn-primary{background:var(--grad);color:#fff;box-shadow:0 8px 20px rgba(18,70,61,.20);}
.btn-primary:hover{color:#fff;transform:translateY(-1px);box-shadow:0 14px 30px rgba(18,70,61,.28);}
.btn-primary:active{transform:translateY(1px);}
.btn-ghost{background:transparent;color:#fff;border:1px solid rgba(255,255,255,.72);}
.btn-ghost:hover{background:rgba(255,255,255,.14);color:#fff;border-color:#fff;}
.btn-line{background:#fff;color:var(--primary);border:1px solid var(--primary);}
.btn-line:hover{background:var(--primary-light);color:var(--primary-dark);}
.btn-sm{height:40px;padding:0 20px;font-size:14.5px;}

/* 顶部导航 */
.site-header{
  position:sticky;top:0;z-index:60;background:#fff;
  border-bottom:1px solid var(--border);
  box-shadow:0 2px 12px rgba(18,70,61,.05);
}
.header-inner{display:flex;align-items:center;gap:28px;height:70px;}
.logo{display:inline-flex;align-items:center;gap:10px;color:var(--primary-dark);font-weight:700;letter-spacing:.2px;}
.logo:hover{color:var(--primary-dark);}
.logo-mark{width:34px;height:34px;display:inline-flex;align-items:center;justify-content:center;color:var(--primary);border-radius:12px;background:var(--primary-light);}
.logo-mark svg{width:24px;height:24px;}
.logo-text{font-size:18px;white-space:nowrap;}
.main-nav{display:flex;align-items:center;gap:6px;margin-left:8px;}
.nav-link{
  position:relative;padding:8px 14px;border-radius:var(--r-sm);
  font-size:15.5px;font-weight:500;color:var(--text-2);
}
.nav-link:hover{color:var(--primary);background:var(--primary-light);}
.nav-link.active{color:var(--primary);font-weight:700;}
.nav-link.active::after{
  content:"";position:absolute;left:50%;bottom:0;transform:translateX(-50%);
  width:20px;height:2px;border-radius:2px;background:var(--primary);
}
.header-actions{margin-left:auto;display:flex;align-items:center;gap:12px;}
.search-box{
  display:flex;align-items:center;gap:8px;height:40px;padding:0 16px;
  background:var(--bg);border:1px solid transparent;border-radius:var(--r-pill);
  transition:border-color var(--t),box-shadow var(--t),background var(--t);
}
.search-box svg{width:16px;height:16px;color:var(--text-3);flex:none;}
.search-box input{border:0;background:transparent;outline:none;width:132px;font-size:14.5px;color:var(--text);}
.search-box input::placeholder{color:var(--text-3);}
.search-box:focus-within{background:#fff;border-color:var(--primary);box-shadow:0 0 0 4px rgba(30,111,99,.12);}
.menu-toggle{
  display:none;width:42px;height:42px;border-radius:12px;
  align-items:center;justify-content:center;background:var(--primary-light);color:var(--primary);
}
.menu-toggle svg{width:22px;height:22px;}

/* 移动端抽屉 */
.drawer-mask{
  position:fixed;inset:0;background:rgba(15,58,50,.42);
  opacity:0;visibility:hidden;transition:opacity var(--t),visibility var(--t);z-index:80;
}
.drawer-mask.open{opacity:1;visibility:visible;}
.drawer{
  position:fixed;top:0;right:0;width:min(86vw,340px);height:100%;
  background:#fff;z-index:90;transform:translateX(102%);
  transition:transform .28s ease;display:flex;flex-direction:column;
  border-bottom-left-radius:20px;border-top-left-radius:20px;
  box-shadow:-16px 0 40px rgba(18,70,61,.18);
}
.drawer.open{transform:translateX(0);}
.drawer-head{display:flex;align-items:center;justify-content:space-between;padding:18px 20px;border-bottom:1px solid var(--border);}
.drawer-head strong{font-size:16px;color:var(--primary-dark);}
.drawer-close{width:36px;height:36px;border-radius:10px;background:var(--bg);display:flex;align-items:center;justify-content:center;color:var(--text-2);}
.drawer-body{padding:14px 20px;overflow:auto;flex:1;}
.drawer-group-title{font-size:12.5px;color:var(--text-3);letter-spacing:1px;margin:12px 0 8px;}
.drawer-link{display:block;padding:12px 14px;border-radius:var(--r-sm);color:var(--text);font-size:15.5px;font-weight:500;}
.drawer-link:hover{background:var(--primary-light);color:var(--primary);}
.drawer-link.active{background:var(--primary-light);color:var(--primary);font-weight:700;}
.drawer-foot{padding:18px 20px;border-top:1px solid var(--border);}
.drawer-foot .btn{width:100%;}

/* 文章头部 */
.article-head{
  position:relative;padding:34px 0 52px;color:#fff;overflow:hidden;
  background-image:url('/assets/images/backpic/back-1.webp');
  background-size:cover;background-position:center;
}
.article-head::before{content:"";position:absolute;inset:0;background:var(--grad-soft);}
.article-head .container{position:relative;z-index:2;}
.crumbs{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:14px;color:rgba(255,255,255,.84);margin-bottom:22px;}
.crumbs a{color:rgba(255,255,255,.84);}
.crumbs a:hover{color:#fff;text-decoration:underline;}
.crumbs span.sep{opacity:.6;}
.crumbs .here{color:#fff;font-weight:600;}
.article-head h1{
  color:#fff;font-size:clamp(28px,4vw,46px);line-height:1.22;
  max-width:900px;letter-spacing:.4px;text-shadow:0 4px 18px rgba(15,58,50,.35);
}
.article-lead{max-width:760px;margin-top:16px;font-size:16.5px;color:rgba(255,255,255,.9);}
.article-meta{display:flex;flex-wrap:wrap;align-items:center;gap:14px;margin-top:26px;}
.meta-chip{
  display:inline-flex;align-items:center;gap:8px;height:32px;padding:0 16px;
  border-radius:var(--r-pill);background:rgba(255,255,255,.16);
  border:1px solid rgba(255,255,255,.34);color:#fff;font-size:13.5px;font-weight:600;
  font-variant-numeric:tabular-nums;
}
.meta-chip::before{content:"";width:6px;height:6px;border-radius:50%;background:#fff;opacity:.85;}
.meta-chip.solid{background:#fff;border-color:#fff;color:var(--primary-dark);}
.meta-chip.solid::before{background:var(--accent);}

/* 正文布局 */
.article-section{padding:64px 0 40px;}
.article-layout{display:grid;grid-template-columns:minmax(0,1fr) 250px;gap:56px;align-items:start;}
.article-body{
  background:var(--card);border:1px solid var(--border);border-radius:var(--r-lg);
  padding:44px 48px;box-shadow:var(--sh);max-width:820px;
}
.article-body p{margin:0 0 1.2em;color:#243029;font-size:17px;line-height:1.88;}
.article-body h2{
  position:relative;margin:44px 0 18px;padding-left:16px;
  font-size:30px;line-height:1.32;
}
.article-body h2:first-child{margin-top:0;}
.article-body h2::before{
  content:"";position:absolute;left:0;top:.28em;width:4px;height:.92em;
  border-radius:4px;background:var(--primary);
}
.article-body h3{margin:32px 0 14px;font-size:21px;font-weight:700;color:var(--primary-dark);}
.article-body h4{margin:24px 0 12px;font-size:17.5px;}
.article-body a{color:var(--primary);border-bottom:1px solid rgba(30,111,99,.32);}
.article-body a:hover{color:var(--primary-dark);border-bottom-color:var(--primary-dark);}
.article-body ul,.article-body ol{margin:0 0 1.3em;padding-left:4px;}
.article-body ul li{position:relative;list-style:none;padding-left:22px;margin-bottom:10px;color:#243029;font-size:16.5px;line-height:1.85;}
.article-body ul li::before{content:"";position:absolute;left:4px;top:.72em;width:7px;height:7px;border-radius:50%;background:var(--primary);}
.article-body ol{list-style:decimal;padding-left:22px;}
.article-body ol li{margin-bottom:10px;font-size:16.5px;color:#243029;}
.article-body blockquote{
  margin:26px 0;padding:18px 24px;background:var(--primary-light);
  border-left:4px solid var(--primary);border-radius:0 var(--r-md) var(--r-md) 0;
  color:var(--primary-dark);font-size:16.5px;
}
.article-body blockquote p:last-child{margin-bottom:0;}
.article-body img{border-radius:var(--r-md);margin:22px 0;box-shadow:var(--sh);}
.article-body figure{margin:26px 0;}
.article-body figcaption{margin-top:10px;font-size:13.5px;color:var(--text-3);text-align:center;}
.article-body table{width:100%;border-collapse:collapse;margin:24px 0;font-size:15.5px;border:1px solid var(--border);border-radius:var(--r-md);overflow:hidden;}
.article-body th,.article-body td{padding:12px 16px;border-bottom:1px solid var(--border);text-align:left;}
.article-body th{background:var(--bg-alt);color:var(--primary-dark);font-weight:700;}
.article-body tr:last-child td{border-bottom:0;}
.article-body code{background:var(--bg-alt);padding:2px 7px;border-radius:6px;font-size:14.5px;color:var(--primary-dark);}
.article-body pre{
  background:#10322B;color:#E4F1EC;padding:20px 22px;border-radius:var(--r-md);
  overflow-x:auto;font-size:14.5px;line-height:1.7;margin:24px 0;
}
.article-body pre code{background:none;color:inherit;padding:0;}
.article-empty{
  background:var(--card);border:1px dashed var(--border);border-radius:var(--r-lg);
  padding:64px 32px;text-align:center;box-shadow:var(--sh);
}
.article-empty .empty-mark{
  width:76px;height:76px;margin:0 auto 20px;border-radius:24px;background:var(--primary-light);
  display:flex;align-items:center;justify-content:center;color:var(--primary);
}
.article-empty .empty-mark svg{width:38px;height:38px;}
.article-empty h2{font-size:24px;margin-bottom:10px;}
.article-empty p{color:var(--text-2);margin-bottom:24px;}

/* 右侧目录 */
.article-toc{position:sticky;top:96px;background:var(--card);border:1px solid var(--border);border-radius:var(--r-md);padding:22px 22px 24px;box-shadow:var(--sh);}
.article-toc h3{font-size:14px;letter-spacing:1px;color:var(--text-3);font-weight:700;margin-bottom:14px;}
.article-toc ol{list-style:none;counter-reset:toc;}
.article-toc li{counter-increment:toc;margin-bottom:10px;}
.article-toc a{display:block;font-size:14.5px;color:var(--text-2);line-height:1.6;padding-left:16px;position:relative;}
.article-toc a::before{content:counter(toc);position:absolute;left:0;color:var(--sky);font-size:12px;font-weight:700;top:2px;}
.article-toc a:hover{color:var(--primary);}
.article-toc.is-hidden{display:none;}

/* 标签 */
.tag-row{display:flex;flex-wrap:wrap;align-items:center;gap:10px;margin-top:36px;padding-top:26px;border-top:1px solid var(--border);}
.tag-row .label{font-size:13.5px;color:var(--text-3);}
.tag{
  display:inline-flex;align-items:center;height:30px;padding:0 14px;border-radius:var(--r-pill);
  background:var(--bg-alt);color:var(--text-2);font-size:13.5px;border:1px solid transparent;
}
.tag:hover{background:var(--primary-light);color:var(--primary);border-color:rgba(30,111,99,.24);}

/* 相关推荐 */
.related{padding:26px 0 72px;}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:28px;}
.section-head h2{font-size:30px;}
.section-head .sub{color:var(--text-2);font-size:15px;margin-top:6px;}
.section-head .more{font-size:15px;font-weight:600;color:var(--primary);}
.section-head .more:hover{text-decoration:underline;}
.related-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:26px;}
.rel-card{
  display:flex;flex-direction:column;background:var(--card);border:1px solid var(--border);
  border-radius:var(--r-lg);overflow:hidden;box-shadow:var(--sh);
  transition:transform var(--t),box-shadow var(--t),border-color var(--t);
}
.rel-card:hover{transform:translateY(-4px);box-shadow:var(--sh-hover);border-color:rgba(30,111,99,.32);}
.rel-card .thumb{aspect-ratio:16/10;background:var(--bg-alt);overflow:hidden;}
.rel-card .thumb img{width:100%;height:100%;object-fit:cover;}
.rel-card .body{padding:22px 24px 26px;display:flex;flex-direction:column;gap:10px;flex:1;}
.rel-card h3{font-size:18.5px;line-height:1.45;}
.rel-card h3 a{color:var(--text);}
.rel-card h3 a:hover{color:var(--primary);}
.rel-card .desc{font-size:14.5px;color:var(--text-2);line-height:1.7;}
.rel-card .foot{margin-top:auto;display:flex;align-items:center;justify-content:space-between;font-size:13px;color:var(--text-3);font-variant-numeric:tabular-nums;}

/* 返回入口 */
.back-bar{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:16px;padding:0 0 56px;}
.back-link{display:inline-flex;align-items:center;gap:8px;font-size:15px;font-weight:600;color:var(--primary);}
.back-link svg{width:16px;height:16px;}
.back-link:hover{text-decoration:underline;}

/* FAQ */
.faq-section{padding:0 0 88px;}
.faq-list{display:grid;gap:14px;max-width:900px;}
.faq-item{background:var(--card);border:1px solid var(--border);border-radius:var(--r-md);overflow:hidden;transition:border-color var(--t),box-shadow var(--t);}
.faq-item.open{border-color:rgba(30,111,99,.34);box-shadow:var(--sh);}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:18px;
  padding:20px 24px;text-align:left;font-size:17px;font-weight:700;color:var(--text);
}
.faq-q:hover{color:var(--primary);}
.faq-icon{
  flex:none;width:26px;height:26px;border-radius:50%;background:var(--primary-light);
  display:flex;align-items:center;justify-content:center;color:var(--primary);
  font-size:16px;line-height:1;transition:transform var(--t),background var(--t);
}
.faq-item.open .faq-icon{transform:rotate(45deg);background:var(--accent-light);color:var(--accent);}
.faq-a{max-height:0;overflow:hidden;transition:max-height .3s ease;}
.faq-a .inner{padding:0 24px 22px;color:var(--text-2);font-size:15.5px;line-height:1.85;}

/* CTA 通栏 */
.cta-band{padding:0 0 92px;}
.cta-card{
  position:relative;overflow:hidden;border-radius:28px;padding:56px 56px;
  background:var(--grad);color:#fff;display:flex;flex-wrap:wrap;align-items:center;
  gap:36px;justify-content:space-between;box-shadow:0 20px 44px rgba(18,70,61,.22);
}
.cta-card::after{
  content:"";position:absolute;right:-80px;top:-100px;width:320px;height:320px;border-radius:50%;
  background:radial-gradient(circle,rgba(242,118,60,.38),rgba(242,118,60,0) 68%);
}
.cta-copy{position:relative;z-index:2;max-width:620px;}
.cta-copy h2{color:#fff;font-size:32px;margin-bottom:12px;}
.cta-copy p{color:rgba(255,255,255,.9);font-size:16px;}
.cta-actions{position:relative;z-index:2;display:flex;flex-wrap:wrap;gap:14px;}

/* 页脚 */
.site-footer{background:var(--primary-deep);color:rgba(255,255,255,.78);padding:72px 0 0;}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:44px;}
.footer-brand .logo{color:#fff;margin-bottom:18px;}
.footer-brand .logo-mark{background:rgba(255,255,255,.12);color:#fff;}
.footer-desc{font-size:14.5px;line-height:1.9;color:rgba(255,255,255,.75);max-width:340px;}
.footer-badges{display:flex;flex-wrap:wrap;gap:10px;margin-top:20px;}
.fb-badge{
  display:inline-flex;align-items:center;gap:8px;height:30px;padding:0 14px;
  border-radius:var(--r-pill);background:rgba(255,255,255,.12);
  border:1px solid rgba(255,255,255,.22);color:#fff;font-size:13px;font-weight:600;
}
.fb-badge i{width:6px;height:6px;border-radius:50%;background:var(--accent);display:inline-block;}
.footer-col h4{color:#fff;font-size:16px;margin-bottom:18px;}
.footer-links{list-style:none;display:grid;gap:12px;}
.footer-links a{color:rgba(255,255,255,.78);font-size:14.5px;}
.footer-links a:hover{color:#fff;text-decoration:underline;}
.footer-bottom{
  margin-top:56px;padding:24px 0 30px;border-top:1px solid rgba(255,255,255,.16);
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:12px;
  font-size:13.5px;color:rgba(255,255,255,.62);
}

/* 响应式 */
@media (max-width:1279px){
  .article-layout{grid-template-columns:minmax(0,1fr) 220px;gap:36px;}
  .article-body{padding:38px 34px;}
}
@media (max-width:1023px){
  .main-nav{display:none;}
  .menu-toggle{display:inline-flex;}
  .search-box{display:none;}
  .article-layout{grid-template-columns:minmax(0,1fr);}
  .article-toc{display:none;}
  .article-body{max-width:none;}
  .related-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .footer-grid{grid-template-columns:1fr 1fr;gap:36px;}
  .cta-card{padding:44px 36px;}
}
@media (max-width:767px){
  body{font-size:16px;}
  .container{padding:0 18px;}
  .header-inner{height:64px;gap:14px;}
  .logo-text{font-size:16px;}
  .article-head{padding:26px 0 40px;}
  .article-head h1{font-size:26px;}
  .article-lead{font-size:15.5px;}
  .article-section{padding:40px 0 24px;}
  .article-body{padding:28px 20px;border-radius:var(--r-md);}
  .article-body h2{font-size:23px;margin:34px 0 14px;}
  .article-body h3{font-size:19px;}
  .article-body p{font-size:16px;}
  .section-head h2{font-size:24px;}
  .related-grid{grid-template-columns:minmax(0,1fr);}
  .related{padding-bottom:48px;}
  .faq-section{padding-bottom:56px;}
  .faq-q{font-size:16px;padding:16px 18px;}
  .faq-a .inner{padding:0 18px 18px;}
  .cta-band{padding-bottom:60px;}
  .cta-card{padding:34px 24px;border-radius:22px;gap:24px;}
  .cta-copy h2{font-size:24px;}
  .cta-actions .btn{width:100%;}
  .site-footer{padding-top:52px;}
  .footer-grid{grid-template-columns:1fr;gap:30px;}
  .footer-bottom{margin-top:36px;flex-direction:column;align-items:flex-start;}
}
@media (max-width:480px){
  .logo-text{font-size:15px;}
  .article-head h1{font-size:23px;}
  .meta-chip{height:30px;padding:0 12px;font-size:12.5px;}
}
@media (prefers-reduced-motion:reduce){
  *{transition:none!important;animation:none!important;scroll-behavior:auto!important;}
}

/* roulang page: category1 */
:root{
  --brand:#1E6F63;
  --brand-dark:#12463D;
  --brand-deep:#0F3A32;
  --brand-light:#E7F2EE;
  --accent:#F2763C;
  --accent-light:#FDEDE4;
  --sky:#6FA3AE;
  --bg:#F5F8F6;
  --mist:#ECF3F0;
  --card:#FFFFFF;
  --text:#16211D;
  --text-2:#5A6A63;
  --text-3:#93A09A;
  --border:#E2E9E5;
  --grad:linear-gradient(135deg,#12463D 0%,#1E6F63 52%,#3E9C86 100%);
  --grad-veil:linear-gradient(100deg,rgba(18,70,61,.88) 0%,rgba(30,111,99,.62) 52%,rgba(242,118,60,.26) 100%);
  --r-lg:24px;
  --r-md:16px;
  --r-sm:10px;
  --shadow:0 8px 24px rgba(18,70,61,.08);
  --shadow-hover:0 16px 36px rgba(18,70,61,.14);
  --container:1200px;
  --ease:.22s ease;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC","Noto Sans SC",Arial,sans-serif;
  font-size:16.5px;
  line-height:1.85;
  color:var(--text);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;}
button,input,select,textarea{font:inherit;color:inherit;}
button{cursor:pointer;border:0;background:none;}
h1,h2,h3,h4{margin:0;line-height:1.28;font-weight:700;letter-spacing:.2px;}
p{margin:0;}
ul{margin:0;padding:0;list-style:none;}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:6px;}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px;}
.num{font-variant-numeric:tabular-nums;}

/* ============ HEADER / NAV ============ */
.site-header{
  position:sticky;top:0;z-index:60;
  background:#fff;
  border-bottom:1px solid var(--border);
  box-shadow:0 1px 2px rgba(18,70,61,.05),0 6px 18px rgba(18,70,61,.05);
}
.header-inner{
  height:70px;display:flex;align-items:center;gap:28px;
}
.logo{display:inline-flex;align-items:center;gap:10px;flex:0 0 auto;}
.logo-mark{
  width:38px;height:38px;border-radius:12px;display:grid;place-items:center;
  color:#fff;background:var(--grad);box-shadow:0 6px 16px rgba(18,70,61,.22);
}
.logo-mark svg{width:22px;height:22px;}
.logo-text{font-size:19px;font-weight:700;letter-spacing:.4px;color:var(--brand-dark);}
.main-nav{display:flex;align-items:center;gap:6px;margin-left:6px;}
.nav-link{
  position:relative;padding:22px 14px;font-size:15.5px;color:var(--text-2);
  transition:color var(--ease);white-space:nowrap;
}
.nav-link::after{
  content:"";position:absolute;left:50%;bottom:14px;transform:translateX(-50%) scaleX(0);
  width:20px;height:2px;border-radius:999px;background:var(--brand);
  transition:transform var(--ease);
}
.nav-link:hover{color:var(--brand-dark);}
.nav-link:hover::after{transform:translateX(-50%) scaleX(1);}
.nav-link.active{color:var(--brand);font-weight:600;}
.nav-link.active::after{transform:translateX(-50%) scaleX(1);}
.header-tools{margin-left:auto;display:flex;align-items:center;gap:14px;}
.search-box{
  display:flex;align-items:center;gap:8px;height:40px;padding:0 16px;
  background:var(--bg);border:1px solid var(--border);border-radius:999px;
  transition:border-color var(--ease),box-shadow var(--ease),background var(--ease);
  width:216px;
}
.search-box svg{width:16px;height:16px;color:var(--text-3);flex:0 0 auto;}
.search-box input{
  border:0;background:transparent;outline:none;width:100%;font-size:14.5px;
}
.search-box input::placeholder{color:var(--text-3);}
.search-box:focus-within{
  background:#fff;border-color:var(--brand);
  box-shadow:0 0 0 4px rgba(30,111,99,.12);
}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border-radius:999px;font-size:15.5px;font-weight:600;
  padding:12px 24px;transition:transform var(--ease),box-shadow var(--ease),background var(--ease),color var(--ease),border-color var(--ease);
  white-space:nowrap;
}
.btn-primary{background:var(--grad);color:#fff;box-shadow:0 8px 20px rgba(18,70,61,.2);}
.btn-primary:hover{transform:translateY(-1px);box-shadow:0 14px 28px rgba(18,70,61,.26);}
.btn-primary:active{transform:translateY(1px);}
.btn-outline{background:#fff;color:var(--brand-dark);border:1px solid var(--brand);}
.btn-outline:hover{background:var(--brand-light);transform:translateY(-1px);}
.btn-ghost{background:rgba(255,255,255,.08);color:#fff;border:1px solid rgba(255,255,255,.7);}
.btn-ghost:hover{background:rgba(255,255,255,.18);transform:translateY(-1px);}
.btn-sm{padding:10px 20px;font-size:14.5px;}
.nav-toggle{
  display:none;width:42px;height:42px;border-radius:12px;border:1px solid var(--border);
  background:var(--bg);align-items:center;justify-content:center;color:var(--brand-dark);
}
.nav-toggle svg{width:20px;height:20px;}

/* mobile drawer */
.drawer-veil{
  position:fixed;inset:0;background:rgba(18,70,61,.42);opacity:0;visibility:hidden;
  transition:opacity var(--ease),visibility var(--ease);z-index:80;
}
.drawer-veil.open{opacity:1;visibility:visible;}
.drawer{
  position:fixed;top:0;right:0;bottom:0;width:310px;max-width:86vw;background:#fff;z-index:90;
  transform:translateX(105%);transition:transform .28s ease;
  display:flex;flex-direction:column;padding:24px 22px;border-radius:20px 0 0 20px;
}
.drawer.open{transform:translateX(0);}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:18px;}
.drawer-close{width:38px;height:38px;border-radius:10px;border:1px solid var(--border);display:grid;place-items:center;color:var(--brand-dark);}
.drawer-close svg{width:18px;height:18px;}
.drawer-group{font-size:13px;color:var(--text-3);margin:10px 0 8px;letter-spacing:1px;}
.drawer-link{
  display:block;padding:13px 14px;border-radius:12px;color:var(--text);font-size:16px;
  transition:background var(--ease),color var(--ease);
}
.drawer-link:hover{background:var(--brand-light);color:var(--brand-dark);}
.drawer-link.active{background:var(--brand-light);color:var(--brand-dark);font-weight:600;}
.drawer-foot{margin-top:auto;padding-top:18px;border-top:1px solid var(--border);}
.drawer-foot .btn{width:100%;}

/* ============ PAGE HERO ============ */
.page-hero{
  position:relative;
  min-height:340px;
  display:flex;align-items:center;
  background-image:
    linear-gradient(100deg,rgba(18,70,61,.90) 0%,rgba(30,111,99,.62) 52%,rgba(242,118,60,.26) 100%),
    url('/assets/images/backpic/back-1.webp');
  background-size:cover;background-position:center;
  color:#fff;
  padding:52px 0 56px;
}
.page-hero::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:74px;
  background:linear-gradient(to bottom,rgba(245,248,246,0),var(--bg));
}
.hero-inner{position:relative;z-index:2;max-width:840px;}
.breadcrumb{
  display:flex;align-items:center;gap:8px;font-size:13.5px;color:rgba(255,255,255,.82);
  margin-bottom:18px;
}
.breadcrumb a{transition:color var(--ease);}
.breadcrumb a:hover{color:#fff;text-decoration:underline;}
.breadcrumb .sep{opacity:.6;}
.page-hero h1{
  font-size:clamp(28px,3.4vw,44px);line-height:1.2;color:#fff;
  text-shadow:0 2px 18px rgba(0,0,0,.22);
}
.hero-lead{
  margin-top:16px;font-size:16.5px;color:rgba(255,255,255,.92);max-width:660px;line-height:1.8;
}
.hero-badges{display:flex;flex-wrap:wrap;gap:12px;margin-top:26px;}
.badge{
  display:inline-flex;align-items:center;gap:8px;height:32px;padding:0 16px;
  border-radius:999px;font-size:13.5px;font-weight:600;
  background:rgba(255,255,255,.16);color:#fff;border:1px solid rgba(255,255,255,.42);
  backdrop-filter:blur(2px);
}
.badge i{width:6px;height:6px;border-radius:50%;background:#fff;display:inline-block;}
.badge-solid{background:var(--brand-light);color:var(--brand-dark);border:1px solid transparent;}
.badge-solid i{background:var(--brand);}
.badge-accent{background:var(--accent-light);color:#B4491A;border:1px solid transparent;}
.badge-accent i{background:var(--accent);}

/* ============ SECTIONS ============ */
.section{padding:92px 0;}
.section-alt{background:var(--mist);}
.section-head{max-width:720px;margin-bottom:48px;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:700;letter-spacing:1.4px;
  color:var(--brand);text-transform:uppercase;margin-bottom:14px;
}
.eyebrow::before{content:"";width:22px;height:2px;background:var(--accent);border-radius:2px;}
.section-head h2{font-size:clamp(24px,2.6vw,32px);color:var(--brand-dark);}
.section-head p{margin-top:14px;color:var(--text-2);font-size:16px;}

/* steps timeline */
.steps{
  display:grid;grid-template-columns:repeat(4,1fr);gap:22px;position:relative;
}
.steps::before{
  content:"";position:absolute;top:19px;left:6%;right:6%;height:2px;
  background:linear-gradient(90deg,rgba(111,163,174,.35),rgba(111,163,174,.65),rgba(111,163,174,.35));
}
.step{position:relative;padding-top:0;}
.step-dot{
  position:relative;z-index:2;width:38px;height:38px;border-radius:50%;
  display:grid;place-items:center;color:#fff;font-weight:700;font-size:15px;
  background:var(--grad);box-shadow:0 0 0 8px rgba(30,111,99,.10);
  font-variant-numeric:tabular-nums;
}
.step-card{
  margin-top:22px;background:#fff;border:1px solid var(--border);border-radius:var(--r-md);
  padding:24px 22px;box-shadow:var(--shadow);height:calc(100% - 60px);
  transition:transform var(--ease),box-shadow var(--ease),border-color var(--ease);
}
.step:hover .step-card{transform:translateY(-4px);box-shadow:var(--shadow-hover);border-color:#C7DED6;}
.step-time{
  display:inline-block;font-size:12.5px;font-weight:700;color:var(--brand);
  background:var(--brand-light);border-radius:999px;padding:3px 12px;margin-bottom:12px;
  font-variant-numeric:tabular-nums;
}
.step-card h3{font-size:18px;margin-bottom:8px;color:var(--brand-dark);}
.step-card p{font-size:14.8px;color:var(--text-2);line-height:1.78;}

/* guide rows */
.guide-rows{display:flex;flex-direction:column;gap:40px;}
.guide-row{
  display:grid;grid-template-columns:1.05fr 1fr;gap:44px;align-items:center;
  background:#fff;border:1px solid var(--border);border-radius:var(--r-lg);
  padding:32px;box-shadow:var(--shadow);
  transition:box-shadow var(--ease),transform var(--ease);
}
.guide-row:hover{box-shadow:var(--shadow-hover);transform:translateY(-3px);}
.guide-row.reverse .guide-media{order:2;}
.guide-media{
  border-radius:var(--r-md);overflow:hidden;aspect-ratio:16/10;background:var(--brand-light);
  position:relative;
}
.guide-media img{width:100%;height:100%;object-fit:cover;transition:transform .5s ease;}
.guide-row:hover .guide-media img{transform:scale(1.04);}
.guide-body h3{font-size:22px;color:var(--brand-dark);margin-bottom:12px;}
.guide-body p{color:var(--text-2);font-size:15.6px;margin-bottom:16px;}
.tip-list li{
  position:relative;padding-left:24px;font-size:15.2px;color:var(--text-2);margin-bottom:9px;
}
.tip-list li::before{
  content:"";position:absolute;left:0;top:10px;width:8px;height:8px;border-radius:50%;
  background:var(--brand);box-shadow:0 0 0 4px rgba(30,111,99,.12);
}
.tag-row{display:flex;flex-wrap:wrap;gap:10px;margin-top:18px;}
.tag{
  display:inline-flex;align-items:center;height:28px;padding:0 13px;border-radius:999px;
  font-size:13px;color:var(--brand-dark);background:var(--brand-light);border:1px solid #CFE5DD;
}

/* check cards */
.check-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:22px;}
.check-card{
  background:#fff;border:1px solid var(--border);border-radius:var(--r-md);padding:26px 22px;
  box-shadow:var(--shadow);transition:transform var(--ease),box-shadow var(--ease),border-color var(--ease);
}
.check-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);border-color:#C7DED6;}
.check-icon{
  width:44px;height:44px;border-radius:14px;display:grid;place-items:center;
  background:var(--brand-light);color:var(--brand);margin-bottom:16px;
}
.check-icon svg{width:22px;height:22px;}
.check-card h3{font-size:17px;color:var(--brand-dark);margin-bottom:8px;}
.check-card p{font-size:14.6px;color:var(--text-2);line-height:1.78;}

/* FAQ */
.faq-wrap{max-width:860px;margin:0 auto;display:flex;flex-direction:column;gap:14px;}
.faq-item{
  background:#fff;border:1px solid var(--border);border-radius:var(--r-md);
  box-shadow:var(--shadow);overflow:hidden;transition:border-color var(--ease),box-shadow var(--ease);
}
.faq-item[open]{border-color:#C7DED6;box-shadow:var(--shadow-hover);}
.faq-item summary{
  list-style:none;cursor:pointer;display:flex;align-items:center;justify-content:space-between;gap:18px;
  padding:22px 26px;font-size:17px;font-weight:700;color:var(--brand-dark);
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-icon{
  position:relative;flex:0 0 auto;width:26px;height:26px;border-radius:50%;
  background:var(--brand-light);
}
.faq-icon::before,.faq-icon::after{
  content:"";position:absolute;left:50%;top:50%;background:var(--brand);border-radius:2px;
  transform:translate(-50%,-50%);transition:transform var(--ease),opacity var(--ease);
}
.faq-icon::before{width:12px;height:2px;}
.faq-icon::after{width:2px;height:12px;}
.faq-item[open] .faq-icon::after{transform:translate(-50%,-50%) rotate(90deg);opacity:0;}
.faq-body{padding:0 26px 24px;color:var(--text-2);font-size:15.2px;line-height:1.85;animation:fadeUp .28s ease;}
@keyframes fadeUp{from{opacity:0;transform:translateY(-6px);}to{opacity:1;transform:translateY(0);}}

/* CTA band */
.cta-band{padding:0 0 96px;}
.cta-card{
  background:var(--grad);border-radius:28px;padding:44px 46px;
  display:grid;grid-template-columns:1.1fr 1fr;gap:46px;align-items:center;
  color:#fff;box-shadow:0 24px 48px rgba(18,70,61,.22);position:relative;overflow:hidden;
}
.cta-card::after{
  content:"";position:absolute;right:-70px;top:-70px;width:280px;height:280px;border-radius:50%;
  background:radial-gradient(circle,rgba(242,118,60,.35),rgba(242,118,60,0) 68%);
}
.cta-left{position:relative;z-index:2;}
.cta-left h2{font-size:clamp(24px,2.5vw,30px);color:#fff;}
.cta-left p{margin-top:14px;color:rgba(255,255,255,.9);font-size:15.6px;max-width:440px;}
.cta-points{display:flex;flex-wrap:wrap;gap:10px;margin-top:22px;}
.cta-points span{
  font-size:13px;padding:5px 14px;border-radius:999px;
  background:rgba(255,255,255,.16);border:1px solid rgba(255,255,255,.36);
}
.form-card{
  position:relative;z-index:2;background:#fff;border-radius:20px;padding:26px 24px;
  box-shadow:0 18px 40px rgba(9,38,32,.26);color:var(--text);
}
.form-card h3{font-size:18px;color:var(--brand-dark);margin-bottom:4px;}
.form-card .form-hint{font-size:13.4px;color:var(--text-3);margin-bottom:18px;}
.field{margin-bottom:14px;}
.field label{display:block;font-size:13.6px;font-weight:600;color:var(--text-2);margin-bottom:6px;}
.field input,.field select{
  width:100%;height:46px;padding:0 14px;border-radius:12px;border:1px solid var(--border);
  background:var(--bg);font-size:15px;outline:none;
  transition:border-color var(--ease),box-shadow var(--ease),background var(--ease);
}
.field input:focus,.field select:focus{
  background:#fff;border-color:var(--brand);box-shadow:0 0 0 4px rgba(30,111,99,.12);
}
.field.error input,.field.error select{border-color:#E0552F;background:#FFF7F4;}
.field .err-msg{display:none;font-size:12.8px;color:#C6431F;margin-top:5px;}
.field.error .err-msg{display:block;}
.form-card .btn{width:100%;margin-top:6px;}
.form-ok{
  display:none;margin-top:14px;padding:11px 14px;border-radius:12px;
  background:var(--brand-light);color:var(--brand-dark);font-size:14px;
  border:1px solid #C7DED6;
}
.form-ok.show{display:block;}

/* ============ FOOTER ============ */
.site-footer{background:var(--brand-deep);color:rgba(255,255,255,.78);padding:70px 0 0;margin-top:0;}
.footer-grid{
  display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:44px;padding-bottom:52px;
}
.footer-brand .logo-text{color:#fff;}
.footer-brand .logo{margin-bottom:18px;}
.footer-desc{font-size:14.6px;line-height:1.85;color:rgba(255,255,255,.72);max-width:320px;}
.footer-badges{display:flex;flex-wrap:wrap;gap:10px;margin-top:22px;}
.fb-badge{
  display:inline-flex;align-items:center;gap:7px;height:28px;padding:0 13px;border-radius:999px;
  font-size:12.6px;color:#fff;background:rgba(255,255,255,.13);border:1px solid rgba(255,255,255,.22);
}
.fb-badge i{width:6px;height:6px;border-radius:50%;background:#7FD6BC;display:inline-block;}
.footer-col h4{font-size:15.5px;color:#fff;margin-bottom:18px;letter-spacing:.4px;}
.footer-links li{margin-bottom:11px;}
.footer-links a{
  font-size:14.4px;color:rgba(255,255,255,.72);transition:color var(--ease);
}
.footer-links a:hover{color:#fff;text-decoration:underline;}
.footer-bottom{
  display:flex;justify-content:space-between;align-items:center;gap:16px;flex-wrap:wrap;
  padding:22px 24px 26px;border-top:1px solid rgba(255,255,255,.14);
  font-size:13.4px;color:rgba(255,255,255,.6);
}

/* ============ RESPONSIVE ============ */
@media (max-width:1279px){
  .main-nav{gap:0;}
  .nav-link{padding:22px 11px;font-size:15px;}
  .search-box{width:178px;}
  .section{padding:80px 0;}
}
@media (max-width:1023px){
  .main-nav,.search-box{display:none;}
  .nav-toggle{display:flex;}
  .header-inner{gap:16px;}
  .steps{grid-template-columns:repeat(2,1fr);}
  .steps::before{display:none;}
  .step-card{height:auto;}
  .check-grid{grid-template-columns:repeat(2,1fr);}
  .guide-row{grid-template-columns:1fr;gap:26px;padding:26px;}
  .guide-row.reverse .guide-media{order:0;}
  .cta-card{grid-template-columns:1fr;gap:32px;padding:34px 30px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:36px;}
  .section{padding:72px 0;}
}
@media (max-width:767px){
  body{font-size:16px;}
  .container{padding:0 18px;}
  .header-inner{height:64px;}
  .logo-text{font-size:17px;}
  .header-tools .btn-primary{padding:10px 18px;font-size:14.5px;}
  .page-hero{min-height:300px;padding:38px 0 46px;}
  .page-hero h1{font-size:26px;}
  .hero-lead{font-size:15.4px;margin-top:12px;}
  .section{padding:56px 0;}
  .section-head{margin-bottom:32px;}
  .steps{grid-template-columns:1fr;gap:26px;}
  .step-card{margin-top:16px;}
  .check-grid{grid-template-columns:1fr;}
  .faq-item summary{padding:18px 20px;font-size:16px;}
  .faq-body{padding:0 20px 20px;}
  .cta-band{padding:0 0 64px;}
  .cta-card{border-radius:22px;padding:28px 20px;}
  .footer-grid{grid-template-columns:1fr;gap:30px;padding-bottom:38px;}
  .site-footer{padding-top:52px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:8px;}
  .drawer{border-radius:20px 0 0 20px;}
}
@media (max-width:479px){
  .header-tools{gap:10px;}
  .header-tools .btn-primary{display:none;}
  .hero-badges{gap:8px;}
  .badge{height:30px;padding:0 12px;font-size:12.8px;}
  .form-card{padding:22px 18px;}
}
@media (prefers-reduced-motion:reduce){
  *{animation-duration:.001ms !important;transition-duration:.001ms !important;}
}

/* roulang page: category2 */
:root{
  --brand:#1E6F63;
  --brand-deep:#12463D;
  --brand-dark:#0F3A32;
  --brand-light:#E7F2EE;
  --accent:#F2763C;
  --accent-soft:#FDEDE4;
  --sky:#6FA3AE;
  --bg:#F5F8F6;
  --bg-soft:#ECF3F0;
  --card:#FFFFFF;
  --text:#16211D;
  --text-2:#5A6A63;
  --text-3:#93A09A;
  --line:#E2E9E5;
  --radius-lg:24px;
  --radius-md:16px;
  --radius-sm:10px;
  --radius-pill:999px;
  --shadow-sm:0 8px 24px rgba(18,70,61,.08);
  --shadow-md:0 16px 36px rgba(18,70,61,.14);
  --grad:linear-gradient(135deg,#12463D 0%,#1E6F63 52%,#3E9C86 100%);
  --container:1200px;
  --ease:.22s ease;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC",system-ui,-apple-system,sans-serif;
  font-size:16.5px;
  line-height:1.85;
  color:var(--text);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;height:auto;}
a{color:var(--brand);text-decoration:none;transition:color var(--ease),opacity var(--ease);}
a:hover{color:var(--brand-deep);}
button,input,select,textarea{font:inherit;color:inherit;}
button{cursor:pointer;border:none;background:none;}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4,p{margin:0;}
h1,h2,h3,h4{line-height:1.28;font-weight:700;letter-spacing:.2px;}
table{border-collapse:collapse;}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:6px;}
.skip-link{position:absolute;left:-9999px;top:0;background:var(--brand);color:#fff;padding:10px 18px;border-radius:0 0 12px 0;z-index:200;}
.skip-link:focus{left:0;color:#fff;}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px;}
.num{font-variant-numeric:tabular-nums;font-feature-settings:"tnum";}

/* ============ Header / Nav ============ */
.site-header{
  position:sticky;top:0;z-index:90;
  background:#fff;
  border-bottom:1px solid var(--line);
  box-shadow:0 1px 0 rgba(18,70,61,.03),0 6px 18px rgba(18,70,61,.04);
}
.header-inner{
  display:flex;align-items:center;gap:28px;
  height:70px;
}
.logo{display:inline-flex;align-items:center;gap:10px;flex-shrink:0;}
.logo-mark{
  width:34px;height:34px;border-radius:11px;
  background:var(--brand-light);
  display:inline-flex;align-items:center;justify-content:center;
  color:var(--brand);
}
.logo-mark svg{width:22px;height:22px;}
.logo-text{
  font-size:18px;font-weight:700;letter-spacing:.3px;
  color:var(--brand-deep);white-space:nowrap;
}
.main-nav{display:flex;align-items:center;gap:6px;margin-left:6px;}
.nav-link{
  position:relative;
  display:inline-block;
  padding:9px 14px;
  font-size:15.5px;font-weight:500;
  color:var(--text-2);
  border-radius:var(--radius-pill);
  transition:color var(--ease),background var(--ease);
}
.nav-link:hover{color:var(--brand);background:var(--brand-light);}
.nav-link.active{color:var(--brand);font-weight:700;background:var(--brand-light);}
.nav-link.active::after{
  content:"";position:absolute;left:50%;bottom:1px;transform:translateX(-50%);
  width:20px;height:2px;border-radius:999px;background:var(--brand);
}
.header-tools{margin-left:auto;display:flex;align-items:center;gap:12px;}
.search-box{
  display:flex;align-items:center;gap:8px;
  height:40px;padding:0 16px;
  background:var(--bg);
  border:1px solid transparent;
  border-radius:var(--radius-pill);
  transition:border-color var(--ease),box-shadow var(--ease),background var(--ease);
}
.search-box:focus-within{
  background:#fff;border-color:var(--brand);
  box-shadow:0 0 0 4px rgba(30,111,99,.12);
}
.search-box svg{width:17px;height:17px;color:var(--text-3);flex-shrink:0;}
.search-box input{
  border:none;background:transparent;outline:none;
  width:190px;font-size:14.5px;color:var(--text);
}
.search-box input::placeholder{color:var(--text-3);}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:44px;padding:0 24px;
  border-radius:var(--radius-pill);
  font-size:15.5px;font-weight:600;
  transition:transform var(--ease),box-shadow var(--ease),background var(--ease),color var(--ease),border-color var(--ease);
  white-space:nowrap;
}
.btn-primary{background:var(--grad);color:#fff;box-shadow:var(--shadow-sm);}
.btn-primary:hover{color:#fff;transform:translateY(-1px);box-shadow:var(--shadow-md);}
.btn-primary:active{transform:translateY(1px);}
.btn-outline{background:#fff;color:var(--brand);border:1.5px solid var(--brand);}
.btn-outline:hover{background:var(--brand-light);color:var(--brand-deep);}
.btn-ghost{background:rgba(255,255,255,.12);color:#fff;border:1.5px solid rgba(255,255,255,.72);}
.btn-ghost:hover{background:rgba(255,255,255,.22);color:#fff;}
.btn-sm{height:38px;padding:0 18px;font-size:14.5px;}
.btn[disabled],.btn.is-disabled{background:#C9D5D0;color:#fff;cursor:not-allowed;transform:none;box-shadow:none;filter:saturate(.4);}
.nav-toggle{
  display:none;width:44px;height:44px;border-radius:14px;
  border:1px solid var(--line);background:#fff;
  align-items:center;justify-content:center;color:var(--brand-deep);
}
.nav-toggle svg{width:22px;height:22px;}

/* drawer */
.drawer-mask{
  position:fixed;inset:0;background:rgba(18,70,61,.42);
  opacity:0;visibility:hidden;transition:opacity var(--ease),visibility var(--ease);
  z-index:120;
}
.drawer-mask.open{opacity:1;visibility:visible;}
.mobile-drawer{
  position:fixed;top:0;right:0;z-index:130;
  width:min(86vw,360px);height:100%;
  background:#fff;border-radius:20px 0 0 20px;
  box-shadow:-18px 0 46px rgba(18,70,61,.22);
  transform:translateX(102%);transition:transform .26s ease;
  display:flex;flex-direction:column;
  padding:22px 22px 20px;
}
.mobile-drawer.open{transform:translateX(0);}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:18px;}
.drawer-close{width:40px;height:40px;border-radius:12px;background:var(--bg);display:flex;align-items:center;justify-content:center;color:var(--brand-deep);}
.drawer-close svg{width:20px;height:20px;}
.drawer-group{margin-bottom:22px;}
.drawer-group h5{margin:0 0 10px;font-size:12.5px;letter-spacing:1.4px;color:var(--text-3);font-weight:600;}
.drawer-link{
  display:flex;align-items:center;justify-content:space-between;
  padding:13px 15px;border-radius:14px;font-size:16px;font-weight:600;color:var(--text);
  background:var(--bg);margin-bottom:9px;
}
.drawer-link.active{background:var(--brand-light);color:var(--brand-deep);}
.drawer-link svg{width:16px;height:16px;color:var(--text-3);}
.drawer-search{display:flex;align-items:center;gap:9px;background:var(--bg);border-radius:var(--radius-pill);padding:0 16px;height:44px;margin-bottom:16px;}
.drawer-search svg{width:17px;height:17px;color:var(--text-3);}
.drawer-search input{border:none;background:transparent;outline:none;width:100%;font-size:15px;}
.drawer-foot{margin-top:auto;padding-top:16px;border-top:1px solid var(--line);}
.drawer-foot .btn{width:100%;}

/* ============ Hero ============ */
.page-hero{
  position:relative;
  min-height:330px;
  display:flex;align-items:flex-end;
  background:
    linear-gradient(315deg,rgba(18,70,61,.90) 0%,rgba(30,111,99,.66) 48%,rgba(242,118,60,.30) 100%),
    url('/assets/images/backpic/back-2.webp') center/cover no-repeat;
  background-color:var(--brand-deep);
  color:#fff;
  overflow:hidden;
}
.page-hero::after{
  content:"";position:absolute;inset:auto 0 0 0;height:88px;
  background:linear-gradient(180deg,rgba(245,248,246,0) 0%,rgba(245,248,246,.92) 100%);
  pointer-events:none;
}
.hero-inner{position:relative;z-index:2;padding:64px 0 62px;max-width:840px;}
.breadcrumb{
  display:flex;align-items:center;gap:9px;flex-wrap:wrap;
  font-size:13.5px;color:rgba(255,255,255,.82);margin-bottom:18px;
}
.breadcrumb a{color:rgba(255,255,255,.92);}
.breadcrumb a:hover{color:#fff;text-decoration:underline;}
.breadcrumb span.sep{opacity:.6;}
.page-hero h1{
  font-size:42px;line-height:1.18;color:#fff;
  letter-spacing:.4px;margin-bottom:16px;text-shadow:0 2px 18px rgba(10,40,34,.35);
}
.hero-lead{
  font-size:17px;line-height:1.8;color:rgba(255,255,255,.92);
  max-width:660px;margin-bottom:24px;
}
.hero-badges{display:flex;flex-wrap:wrap;gap:12px;}
.hero-badge{
  display:inline-flex;align-items:center;gap:8px;
  height:32px;padding:0 16px;
  border-radius:var(--radius-pill);
  background:rgba(255,255,255,.16);
  border:1px solid rgba(255,255,255,.42);
  color:#fff;font-size:13.5px;font-weight:600;
  backdrop-filter:blur(2px);
}
.hero-badge i{width:6px;height:6px;border-radius:50%;background:#FFD3B8;display:inline-block;}
.hero-badge b{color:#fff;font-weight:700;}

/* ============ Sections ============ */
.section{padding:96px 0;}
.section.tight{padding:64px 0;}
.section.soft{background:var(--bg-soft);}
.section.white{background:#fff;}
.section-head{max-width:760px;margin-bottom:44px;}
.section-head.center{margin-left:auto;margin-right:auto;text-align:center;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:700;letter-spacing:1.6px;color:var(--brand);
  text-transform:uppercase;margin-bottom:14px;
}
.eyebrow::before{content:"";width:22px;height:2px;border-radius:2px;background:var(--accent);}
.section-title{font-size:32px;color:var(--brand-deep);margin-bottom:14px;}
.section-sub{font-size:16.5px;line-height:1.85;color:var(--text-2);}

/* ============ Stat bar ============ */
.stat-bar{
  display:grid;grid-template-columns:repeat(4,1fr);gap:16px;
  background:#fff;border:1px solid var(--line);
  border-radius:var(--radius-lg);padding:26px 28px;
  box-shadow:var(--shadow-sm);
  margin:-46px 0 52px;position:relative;z-index:3;
}
.stat-item{text-align:center;padding:0 8px;border-right:1px solid var(--line);}
.stat-item:last-child{border-right:none;}
.stat-num{font-size:28px;font-weight:700;color:var(--brand);line-height:1.2;}
.stat-num small{font-size:15px;font-weight:600;color:var(--brand);margin-left:2px;}
.stat-label{font-size:13.5px;color:var(--text-2);margin-top:4px;}

/* ============ QA grid ============ */
.qa-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px;}
.qa-card{
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--radius-md);
  padding:24px 26px;
  box-shadow:0 2px 8px rgba(18,70,61,.04);
  transition:transform var(--ease),box-shadow var(--ease),border-color var(--ease);
  display:grid;grid-template-columns:minmax(0,.9fr) minmax(0,1.1fr);
  gap:18px;align-items:start;
}
.qa-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);border-color:#BFDCD4;}
.qa-q{display:flex;gap:11px;align-items:flex-start;}
.qa-index{
  flex-shrink:0;width:26px;height:26px;border-radius:9px;
  background:var(--brand-light);color:var(--brand-deep);
  font-size:13px;font-weight:700;display:flex;align-items:center;justify-content:center;
  margin-top:2px;
}
.qa-q h3{font-size:17px;line-height:1.55;color:var(--brand-deep);}
.qa-a{
  font-size:15px;line-height:1.82;color:var(--text-2);
  padding-left:18px;border-left:2px dashed #CFE1DA;
}
.qa-a strong{color:var(--brand-deep);font-weight:600;}
.qa-tagline{
  grid-column:1 / -1;
  font-size:13px;color:var(--text-3);
}

/* ============ Flow steps ============ */
.flow-wrap{position:relative;}
.flow-line{
  position:absolute;top:22px;left:6%;right:6%;height:2px;
  background:linear-gradient(90deg,rgba(111,163,174,.18),rgba(111,163,174,.65),rgba(111,163,174,.18));
  z-index:0;
}
.flow-steps{
  position:relative;z-index:1;
  display:grid;grid-template-columns:repeat(4,1fr);gap:22px;
}
.flow-step{text-align:center;}
.flow-dot{
  width:44px;height:44px;margin:0 auto 16px;border-radius:50%;
  background:var(--grad);color:#fff;font-weight:700;font-size:16px;
  display:flex;align-items:center;justify-content:center;
  box-shadow:0 0 0 8px rgba(30,111,99,.10);
}
.flow-step h3{font-size:18px;color:var(--brand-deep);margin-bottom:8px;}
.flow-step p{font-size:14.5px;color:var(--text-2);line-height:1.78;}
.flow-note{
  margin-top:44px;background:#fff;border:1px solid var(--line);
  border-radius:var(--radius-md);padding:22px 26px;
  display:flex;gap:16px;align-items:flex-start;box-shadow:var(--shadow-sm);
}
.flow-note svg{width:24px;height:24px;color:var(--accent);flex-shrink:0;margin-top:2px;}
.flow-note p{font-size:15px;color:var(--text-2);}
.flow-note b{color:var(--brand-deep);}

/* ============ Feature cards (3) ============ */
.feature-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px;}
.feature-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);
  overflow:hidden;box-shadow:var(--shadow-sm);
  display:flex;flex-direction:column;
  transition:transform var(--ease),box-shadow var(--ease),border-color var(--ease);
}
.feature-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);border-color:#BFDCD4;}
.feature-media{position:relative;aspect-ratio:16/10;background:var(--brand-light);overflow:hidden;}
.feature-media img{width:100%;height:100%;object-fit:cover;transition:transform .5s ease;}
.feature-card:hover .feature-media img{transform:scale(1.04);}
.feature-body{padding:24px 26px 26px;display:flex;flex-direction:column;gap:12px;flex:1;}
.feature-body h3{font-size:20px;color:var(--brand-deep);}
.feature-body p{font-size:15px;color:var(--text-2);line-height:1.82;}
.tag-row{display:flex;flex-wrap:wrap;gap:8px;margin-top:auto;padding-top:6px;}
.tag{
  display:inline-flex;align-items:center;gap:6px;
  height:28px;padding:0 12px;border-radius:var(--radius-pill);
  background:var(--brand-light);color:var(--brand-deep);
  font-size:12.5px;font-weight:600;
}
.tag.accent{background:var(--accent-soft);color:#B8451B;}
.tag.sky{background:rgba(111,163,174,.16);color:#3F6F79;}

/* ============ Quotes ============ */
.quote-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:22px;}
.quote-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-md);
  padding:26px 26px 22px;box-shadow:0 2px 10px rgba(18,70,61,.04);
  display:flex;flex-direction:column;gap:14px;
  transition:transform var(--ease),box-shadow var(--ease);
}
.quote-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-sm);}
.quote-mark{font-size:34px;line-height:1;color:var(--sky);font-weight:700;}
.quote-card p{font-size:15px;color:var(--text-2);line-height:1.82;}
.quote-who{display:flex;align-items:center;gap:10px;margin-top:auto;padding-top:8px;border-top:1px solid var(--line);}
.quote-avatar{
  width:36px;height:36px;border-radius:50%;background:var(--brand-light);
  color:var(--brand-deep);font-size:13.5px;font-weight:700;
  display:flex;align-items:center;justify-content:center;
}
.quote-who span{font-size:13.5px;color:var(--text-3);}

/* ============ CTA band ============ */
.cta-band{
  border-radius:28px;
  background:var(--grad);
  color:#fff;
  padding:52px 54px;
  display:grid;grid-template-columns:1.05fr .95fr;gap:44px;align-items:center;
  box-shadow:0 22px 48px rgba(18,70,61,.22);
  position:relative;overflow:hidden;
}
.cta-band::before{
  content:"";position:absolute;right:-90px;top:-110px;width:320px;height:320px;
  border-radius:50%;background:rgba(255,255,255,.09);
}
.cta-band::after{
  content:"";position:absolute;left:-70px;bottom:-120px;width:260px;height:260px;
  border-radius:50%;background:rgba(242,118,60,.16);
}
.cta-copy{position:relative;z-index:2;}
.cta-copy h2{font-size:30px;color:#fff;margin-bottom:14px;}
.cta-copy p{font-size:16px;color:rgba(255,255,255,.9);line-height:1.85;max-width:460px;}
.cta-points{display:flex;flex-wrap:wrap;gap:10px;margin-top:22px;}
.cta-point{
  display:inline-flex;align-items:center;gap:7px;
  height:30px;padding:0 14px;border-radius:var(--radius-pill);
  background:rgba(255,255,255,.16);border:1px solid rgba(255,255,255,.34);
  font-size:13px;color:#fff;font-weight:600;
}
.cta-form{
  position:relative;z-index:2;
  background:#fff;border-radius:20px;padding:28px;
  box-shadow:0 18px 40px rgba(15,58,50,.26);
}
.cta-form h3{font-size:19px;color:var(--brand-deep);margin-bottom:6px;}
.cta-form .form-hint{font-size:13.5px;color:var(--text-3);margin-bottom:18px;}
.field{margin-bottom:14px;}
.field label{display:block;font-size:13.5px;font-weight:600;color:var(--text-2);margin-bottom:7px;}
.input,select.input{
  width:100%;height:46px;padding:0 15px;
  background:var(--bg);border:1.5px solid transparent;border-radius:12px;
  font-size:15px;color:var(--text);outline:none;
  transition:border-color var(--ease),background var(--ease),box-shadow var(--ease);
  appearance:none;
}
select.input{
  background-image:url("data:image/svg+xml;charset=utf-8,%3Csvg xmlns='http://www.w3.org/2000/svg' width='14' height='14' viewBox='0 0 24 24' fill='none' stroke='%235A6A63' stroke-width='2.4' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E");
  background-repeat:no-repeat;background-position:right 15px center;padding-right:40px;
}
.input::placeholder{color:var(--text-3);}
.input:focus{background:#fff;border-color:var(--brand);box-shadow:0 0 0 4px rgba(30,111,99,.12);}
.field.error .input{border-color:var(--accent);background:var(--accent-soft);}
.field-error{display:none;font-size:12.5px;color:#C24A1E;margin-top:6px;}
.field.error .field-error{display:block;}
.cta-form .btn-primary{width:100%;height:48px;margin-top:6px;}
.form-success{
  display:none;margin-top:14px;padding:12px 15px;border-radius:12px;
  background:var(--brand-light);color:var(--brand-deep);font-size:14px;font-weight:600;
  border-left:3px solid var(--brand);
}
.form-success.show{display:block;}
.form-note{font-size:12.5px;color:var(--text-3);margin-top:12px;line-height:1.7;}

/* ============ Footer ============ */
.site-footer{background:var(--brand-dark);color:rgba(255,255,255,.76);margin-top:0;padding-top:70px;}
.footer-grid{
  display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:40px;
  padding-bottom:52px;
}
.footer-brand .logo-text{color:#fff;}
.footer-brand .logo-mark{background:rgba(255,255,255,.14);color:#fff;}
.footer-desc{font-size:14.5px;line-height:1.85;color:rgba(255,255,255,.72);margin:18px 0 20px;max-width:360px;}
.footer-badges{display:flex;flex-wrap:wrap;gap:9px;}
.fb-badge{
  display:inline-flex;align-items:center;gap:7px;
  height:28px;padding:0 13px;border-radius:var(--radius-pill);
  background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.22);
  font-size:12.5px;color:#fff;font-weight:600;
}
.fb-badge i{width:6px;height:6px;border-radius:50%;background:var(--accent);display:inline-block;}
.footer-col h4{font-size:15px;color:#fff;margin-bottom:18px;font-weight:700;}
.footer-links li{margin-bottom:11px;}
.footer-links a{font-size:14.5px;color:rgba(255,255,255,.74);}
.footer-links a:hover{color:#fff;text-decoration:underline;}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.14);
  padding:22px 24px 26px;
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13.5px;color:rgba(255,255,255,.6);
}

/* ============ Responsive ============ */
@media (max-width:1279px){
  .qa-grid{gap:18px;}
  .qa-card{grid-template-columns:1fr;gap:12px;padding:22px;}
  .qa-a{padding-left:0;border-left:none;border-top:2px dashed #CFE1DA;padding-top:12px;}
}
@media (max-width:1023px){
  .main-nav{display:none;}
  .search-box{display:none;}
  .nav-toggle{display:flex;}
  .header-tools .btn-primary{display:none;}
  .section{padding:72px 0;}
  .page-hero{min-height:300px;}
  .page-hero h1{font-size:34px;}
  .stat-bar{grid-template-columns:repeat(2,1fr);gap:0;padding:20px 18px;}
  .stat-item{border-right:none;padding:12px 6px;}
  .flow-line{display:none;}
  .flow-steps{grid-template-columns:repeat(2,1fr);gap:26px;}
  .feature-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .quote-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .cta-band{grid-template-columns:1fr;padding:40px 32px;gap:30px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:34px;}
}
@media (max-width:767px){
  body{font-size:16px;}
  .container{padding:0 18px;}
  .header-inner{height:64px;gap:14px;}
  .logo-text{font-size:16.5px;}
  .page-hero{min-height:280px;}
  .hero-inner{padding:44px 0 46px;}
  .page-hero h1{font-size:27px;}
  .hero-lead{font-size:15.5px;}
  .section{padding:56px 0;}
  .section-title{font-size:24px;}
  .stat-bar{margin:-32px 0 38px;}
  .stat-num{font-size:23px;}
  .qa-grid{grid-template-columns:1fr;}
  .flow-steps{grid-template-columns:1fr;gap:24px;}
  .flow-step{display:grid;grid-template-columns:44px 1fr;gap:16px;text-align:left;}
  .flow-dot{margin:0;}
  .flow-step h3{margin-bottom:4px;font-size:17px;}
  .feature-grid{grid-template-columns:1fr;}
  .quote-grid{grid-template-columns:1fr;}
  .cta-band{padding:32px 22px;border-radius:22px;}
  .cta-copy h2{font-size:23px;}
  .cta-form{padding:22px;}
  .footer-grid{grid-template-columns:1fr;gap:30px;padding-bottom:38px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:8px;}
}
@media (max-width:519px){
  .page-hero h1{font-size:23px;}
  .section-title{font-size:21px;}
  .btn{height:42px;padding:0 20px;font-size:15px;}
  .hero-badge{height:30px;font-size:12.5px;padding:0 13px;}
  .stat-bar{padding:16px 12px;}
  .qa-card{padding:20px 18px;}
  .cta-form .btn-primary{height:46px;}
}
@media (prefers-reduced-motion:reduce){
  *{transition:none !important;animation:none !important;scroll-behavior:auto !important;}
}