/* roulang page: index */
:root{
  --brand-900:#07332A;
  --brand-700:#0B5F4A;
  --brand-500:#12876A;
  --accent:#FF6A2C;
  --lime:#C8F24E;
  --bg:#F5F7F4;
  --surface:#FFFFFF;
  --line:#E2E8E3;
  --ink:#101A18;
  --ink-soft:#5C6B67;
  --sh-1:0 1px 2px rgba(16,26,24,.05);
  --sh-2:0 10px 30px -12px rgba(11,95,74,.25);
  --r-card:16px;
  --r-btn:12px;
  --r-input:10px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:system-ui,"PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif;
  background:var(--bg);
  color:var(--ink);
  font-size:16px;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button,input,select,textarea{font:inherit;color:inherit}
h1,h2,h3,h4{margin:0;letter-spacing:-0.01em}
p{margin:0}
ul{margin:0;padding:0;list-style:none}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px}

.container{width:100%;max-width:1200px;margin:0 auto;padding:0 16px}
@media (min-width:768px){.container{padding:0 24px}}

.section{padding:64px 0}
@media (min-width:768px){.section{padding:96px 0}}
.sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:28px;flex-wrap:wrap}
.h2{font-size:26px;font-weight:700;line-height:1.3}
@media (min-width:768px){.h2{font-size:32px}}
.h3{font-size:19px;font-weight:600;line-height:1.45}
.lead{color:var(--ink-soft);font-size:15px;line-height:1.8}

/* ---------- 导航 ---------- */
.site-header{position:sticky;top:0;z-index:60}
.notice-bar{background:var(--brand-900);color:#fff;font-size:13px}
.notice-inner{display:flex;align-items:center;justify-content:space-between;gap:14px;min-height:40px;padding-top:8px;padding-bottom:8px}
.notice-inner span{display:flex;align-items:center;gap:8px;line-height:1.5}
.notice-inner i{color:var(--lime)}
.notice-close{background:transparent;border:0;cursor:pointer;opacity:.75;padding:4px 6px;border-radius:8px;transition:opacity .18s ease,background .18s ease}
.notice-close:hover{opacity:1;background:rgba(255,255,255,.12)}
.notice-bar.hidden{display:none}

.nav-main{background:rgba(255,255,255,.94);backdrop-filter:blur(10px);border-bottom:1px solid var(--line);transition:box-shadow .22s ease}
.site-header.scrolled .nav-main{box-shadow:var(--sh-1)}
.nav-inner{display:flex;align-items:center;justify-content:space-between;gap:16px;height:70px;transition:height .22s ease}
.site-header.scrolled .nav-inner{height:62px}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.brand-mark{width:36px;height:36px;border-radius:50%;background:var(--brand-700);display:grid;place-items:center;box-shadow:var(--sh-1)}
.brand-mark svg{width:22px;height:22px}
.brand-text{font-size:18px;font-weight:800;color:var(--brand-900);white-space:nowrap}
.nav-links{display:none;align-items:center;gap:4px}
@media (min-width:1024px){.nav-links{display:flex}}
.nav-link{position:relative;display:inline-block;padding:10px 12px;font-size:15px;font-weight:600;color:#22332F;border-radius:10px;transition:color .18s ease,background .18s ease}
.nav-link::after{content:"";position:absolute;left:12px;right:12px;bottom:6px;height:2px;background:var(--brand-500);transform:scaleX(0);transform-origin:left;transition:transform .22s ease}
.nav-link:hover{color:var(--brand-700)}
.nav-link:hover::after{transform:scaleX(1)}
.nav-link.active{color:var(--brand-700);background:rgba(18,135,106,.08)}
.nav-link.active::after{transform:scaleX(1)}
.nav-actions{display:flex;align-items:center;gap:10px}
.nav-actions .btn-ghost{display:none}
@media (min-width:1024px){.nav-actions .btn-ghost{display:inline-flex}}
.nav-toggle{display:grid;place-items:center;width:44px;height:44px;border-radius:12px;border:1px solid var(--line);background:#fff;cursor:pointer;transition:background .18s ease}
.nav-toggle:hover{background:var(--bg)}
@media (min-width:1024px){.nav-toggle{display:none}}

.drawer-mask{position:fixed;inset:0;background:rgba(7,51,42,.5);opacity:0;visibility:hidden;transition:opacity .25s ease,visibility .25s ease;z-index:80}
.drawer-mask.open{opacity:1;visibility:visible}
.drawer{position:fixed;top:0;left:0;bottom:0;width:290px;max-width:85vw;background:#fff;z-index:90;transform:translateX(-102%);transition:transform .28s ease;display:flex;flex-direction:column;padding:20px;overflow-y:auto}
.drawer.open{transform:translateX(0)}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:18px}
.drawer-title{font-weight:800;font-size:17px;color:var(--brand-900)}
.drawer-close{width:40px;height:40px;border-radius:10px;border:1px solid var(--line);background:#fff;cursor:pointer;display:grid;place-items:center}
.drawer nav{display:flex;flex-direction:column;gap:4px}
.drawer nav a{padding:13px 14px;border-radius:12px;font-weight:600;font-size:16px;color:#22332F;border:1px solid transparent;transition:background .18s ease,border-color .18s ease}
.drawer nav a:hover{background:var(--bg);border-color:var(--line)}
.drawer nav a.active{background:rgba(18,135,106,.1);color:var(--brand-700)}
.drawer-foot{margin-top:auto;padding-top:20px}

/* ---------- 按钮 ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;height:46px;padding:0 20px;border-radius:var(--r-btn);font-size:15px;font-weight:600;border:1px solid transparent;cursor:pointer;transition:transform .18s ease,box-shadow .18s ease,background .18s ease,color .18s ease,filter .18s ease;white-space:nowrap}
.btn:disabled{opacity:.45;cursor:not-allowed}
.btn-primary{background:var(--accent);color:#fff;box-shadow:0 8px 18px -10px rgba(255,106,44,.9)}
.btn-primary:hover{transform:translateY(-1px);box-shadow:var(--sh-2);filter:brightness(1.03)}
.btn-primary:active{transform:translateY(0)}
.btn-secondary{border-color:rgba(255,255,255,.55);color:#fff;background:rgba(255,255,255,.06)}
.btn-secondary:hover{background:rgba(255,255,255,.16);transform:translateY(-1px)}
.btn-secondary:active{transform:translateY(0)}
.btn-outline{border-color:var(--brand-700);color:var(--brand-700);background:#fff}
.btn-outline:hover{background:rgba(11,95,74,.07);transform:translateY(-1px)}
.btn-outline:active{transform:translateY(0)}
.btn-dark{background:var(--brand-900);color:#fff}
.btn-dark:hover{background:var(--brand-700);transform:translateY(-1px)}
.btn-sm{height:42px;padding:0 22px;border-radius:999px}
.btn-block{width:100%}
.btn-link{display:inline-flex;align-items:center;gap:6px;color:var(--brand-700);font-weight:600;font-size:15px}
.btn-link i{transition:transform .2s ease}
.btn-link:hover i{transform:translateX(2px)}

/* ---------- Hero ---------- */
.hero{position:relative;background:linear-gradient(120deg,var(--brand-900) 0%,#0A4A3B 55%,var(--brand-700) 100%);color:#fff;overflow:hidden}
.hero::before{content:"";position:absolute;inset:0;background-image:repeating-linear-gradient(115deg,rgba(255,255,255,.05) 0 1px,transparent 1px 62px);pointer-events:none}
.hero-inner{position:relative;display:grid;gap:36px;padding:56px 0 96px;align-items:center}
@media (min-width:1024px){.hero-inner{grid-template-columns:6fr 6fr;gap:48px;padding:72px 0 120px;min-height:620px}}
.hero-badge{display:inline-flex;align-items:center;gap:8px;background:rgba(200,242,78,.14);border:1px solid rgba(200,242,78,.35);color:var(--lime);font-size:13px;font-weight:600;padding:6px 14px;border-radius:999px}
.hero h1{margin:20px 0 18px;font-size:clamp(28px,4.2vw,52px);line-height:1.15;font-weight:800;letter-spacing:-0.01em}
.hero h1 em{font-style:normal;color:var(--lime)}
.hero-sub{color:rgba(255,255,255,.82);font-size:16px;line-height:1.85;max-width:560px}
.hero-btns{display:flex;flex-wrap:wrap;gap:12px;margin-top:28px}
.hero-trust{display:flex;flex-wrap:wrap;align-items:center;gap:8px 10px;margin-top:26px;color:rgba(255,255,255,.72);font-size:13px}
.hero-trust span{display:inline-flex;align-items:center;gap:6px}
.hero-trust i{color:var(--lime);font-size:11px}
.hero-trust .dot{color:rgba(255,255,255,.35)}
.hero-visual{position:relative}
.hero-img{border-radius:18px;overflow:hidden;border:1px solid rgba(255,255,255,.14);box-shadow:0 30px 60px -30px rgba(0,0,0,.65);aspect-ratio:4/3}
.hero-img img{width:100%;height:100%;object-fit:cover}
.hero-float{position:absolute;right:-6px;bottom:-28px;background:#fff;color:var(--ink);border-radius:16px;padding:16px 18px;box-shadow:var(--sh-2);width:220px}
.hero-float .t{font-size:12px;font-weight:600;color:var(--ink-soft);margin-bottom:10px;letter-spacing:.02em}
.hero-float ul{display:flex;flex-direction:column;gap:8px}
.hero-float li{display:flex;align-items:baseline;justify-content:space-between;gap:10px;font-size:13px;color:var(--ink-soft)}
.hero-float b{font-size:19px;font-weight:800;color:var(--brand-700);font-variant-numeric:tabular-nums}
@media (max-width:640px){.hero-float{position:static;width:100%;margin-top:16px}}

/* ---------- 快速入口 ---------- */
.quickbar-wrap{margin-top:-48px;position:relative;z-index:10}
@media (min-width:768px){.quickbar-wrap{margin-top:-64px}}
.quickbar{background:#fff;border:1px solid var(--line);border-radius:var(--r-card);box-shadow:var(--sh-2);display:grid;overflow:hidden}
@media (min-width:768px){.quickbar{grid-template-columns:repeat(4,1fr)}}
.quick-item{display:flex;align-items:center;gap:14px;padding:20px 22px;border-bottom:1px solid var(--line);transition:background .18s ease}
.quick-item:last-child{border-bottom:0}
@media (min-width:768px){
  .quick-item{border-bottom:0;border-right:1px solid var(--line)}
  .quick-item:last-child{border-right:0}
}
.quick-item:hover{background:var(--bg)}
.quick-ico{width:42px;height:42px;flex:0 0 auto;border-radius:12px;background:rgba(18,135,106,.12);display:grid;place-items:center;color:var(--brand-700);transition:background .18s ease,color .18s ease}
.quick-item:hover .quick-ico{background:var(--brand-700);color:#fff}
.quick-item h3{font-size:15px;font-weight:700}
.quick-item p{font-size:13px;color:var(--ink-soft);line-height:1.6;margin-top:2px}

/* ---------- 卡片 ---------- */
.card{background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);box-shadow:var(--sh-1);transition:transform .18s ease,box-shadow .18s ease,border-color .18s ease}
.card:hover{transform:translateY(-2px);box-shadow:var(--sh-2);border-color:#CFDCD3}

.badge{display:inline-flex;align-items:center;gap:6px;font-size:12px;font-weight:600;padding:4px 12px;border-radius:999px;background:rgba(18,135,106,.15);color:var(--brand-900)}
.badge-lime{background:var(--lime);color:var(--ink)}

/* ---------- 资讯列表 ---------- */
.info-card{display:flex;flex-direction:column;overflow:hidden}
.info-thumb{aspect-ratio:16/10;overflow:hidden;background:#E8EDE9}
.info-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .3s ease}
.info-card:hover .info-thumb img{transform:scale(1.03)}
.info-body{padding:18px 20px 20px;display:flex;flex-direction:column;gap:10px;flex:1}
.info-title{font-size:17px;font-weight:700;line-height:1.5;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.info-desc{font-size:14px;color:var(--ink-soft);line-height:1.75;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;flex:1}
.info-meta{display:flex;align-items:center;justify-content:space-between;border-top:1px solid var(--line);padding-top:12px;font-size:13px;color:var(--ink-soft)}
.empty-state{text-align:center;padding:56px 20px;background:#fff;border:1px dashed var(--line);border-radius:var(--r-card)}
.empty-state i{font-size:40px;color:var(--brand-500);opacity:.55}
.empty-state p{margin:14px 0 18px;color:var(--ink-soft);font-size:15px}

/* ---------- 卖点三连 ---------- */
.asym{display:grid;gap:20px}
@media (min-width:1024px){.asym{grid-template-columns:2fr 1fr;gap:22px}}
.asym-side{display:grid;gap:20px}
.point-big{position:relative;padding:28px;border-radius:var(--r-card);background:#fff;border:1px solid var(--lime);box-shadow:var(--sh-1);display:flex;flex-direction:column;gap:16px;transition:transform .18s ease,box-shadow .18s ease}
.point-big:hover{transform:translateY(-2px);box-shadow:var(--sh-2)}
.point-num{font-size:13px;font-weight:800;color:var(--brand-500);letter-spacing:.08em;font-variant-numeric:tabular-nums}
.point-ico{width:46px;height:46px;border-radius:14px;background:var(--brand-700);color:#fff;display:grid;place-items:center;font-size:19px}
.point-list{display:flex;flex-direction:column;gap:10px}
.point-list li{display:flex;gap:10px;font-size:14px;color:var(--ink-soft);line-height:1.7}
.point-list i{color:var(--brand-500);margin-top:5px;font-size:11px}
.point-sm{padding:22px;border-radius:var(--r-card);background:#fff;border:1px solid var(--line);box-shadow:var(--sh-1);display:flex;gap:16px;transition:transform .18s ease,box-shadow .18s ease,border-color .18s ease}
.point-sm:hover{transform:translateY(-2px);box-shadow:var(--sh-2);border-color:#CFDCD3}
.point-sm .n{font-size:13px;font-weight:800;color:var(--brand-500);font-variant-numeric:tabular-nums}
.point-sm h3{font-size:17px;font-weight:700;margin:6px 0 8px}
.point-sm p{font-size:14px;color:var(--ink-soft);line-height:1.75}

/* ---------- 深色场景 ---------- */
.dark-sec{background:var(--brand-900);color:#fff;position:relative;overflow:hidden}
.dark-sec::before{content:"";position:absolute;inset:0;background-image:repeating-linear-gradient(115deg,rgba(255,255,255,.04) 0 1px,transparent 1px 62px);pointer-events:none}
.dark-inner{position:relative}
.steps{display:grid;gap:28px;margin-top:40px}
@media (min-width:768px){.steps{grid-template-columns:repeat(3,1fr);gap:24px}}
.step{position:relative;padding-left:0}
.step-dot{width:38px;height:38px;border-radius:50%;border:1px solid rgba(200,242,78,.45);background:rgba(200,242,78,.1);color:var(--lime);display:grid;place-items:center;font-weight:800;font-size:14px;font-variant-numeric:tabular-nums}
.step-line{position:absolute;left:52px;top:19px;right:-16px;border-top:1px dashed rgba(255,255,255,.22)}
@media (max-width:767px){
  .step-line{left:19px;top:44px;right:auto;bottom:-20px;border-top:0;border-left:1px dashed rgba(255,255,255,.22)}
}
.step h3{margin:16px 0 8px;font-size:18px;font-weight:700}
.step p{font-size:14px;color:rgba(255,255,255,.72);line-height:1.8}
.device{margin-top:44px;border-radius:14px;border:1px solid rgba(255,255,255,.16);overflow:hidden;background:rgba(255,255,255,.04)}
.device-bar{display:flex;align-items:center;gap:8px;padding:12px 16px;border-bottom:1px solid rgba(255,255,255,.12);font-size:12px;color:rgba(255,255,255,.6)}
.device-bar span{width:10px;height:10px;border-radius:50%;background:rgba(255,255,255,.22)}
.device-body{aspect-ratio:16/8}
.device-body img{width:100%;height:100%;object-fit:cover}

/* ---------- 社会认同 ---------- */
.stats{display:grid;grid-template-columns:repeat(2,1fr);gap:24px 0;padding:24px 0;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
@media (min-width:768px){.stats{grid-template-columns:repeat(4,1fr)}}
.stat{text-align:center;padding:0 12px;position:relative}
@media (min-width:768px){
  .stat+.stat::before{content:"";position:absolute;left:0;top:14%;height:72%;width:1px;background:var(--line)}
}
.stat b{display:block;font-size:clamp(28px,3.4vw,40px);font-weight:800;color:var(--brand-700);font-variant-numeric:tabular-nums;line-height:1.1}
.stat span{display:block;margin-top:6px;font-size:13px;color:var(--ink-soft)}
.quote-grid{display:grid;gap:20px;margin-top:36px}
@media (min-width:768px){.quote-grid{grid-template-columns:repeat(2,1fr)}}
.quote{padding:24px;display:flex;flex-direction:column;gap:18px}
.quote p{font-size:15px;line-height:1.85;color:#22332F}
.quote-user{display:flex;align-items:center;gap:12px}
.quote-avatar{width:40px;height:40px;border-radius:50%;overflow:hidden;background:#E8EDE9;flex:0 0 auto}
.quote-avatar img{width:100%;height:100%;object-fit:cover}
.quote-user strong{display:block;font-size:14px;font-weight:700}
.quote-user em{font-style:normal;font-size:12px;color:var(--ink-soft)}
.quote-tag{margin-left:auto;font-size:12px;font-weight:600;padding:4px 12px;border-radius:999px;background:rgba(18,135,106,.15);color:var(--brand-900)}

/* ---------- FAQ ---------- */
.faq-wrap{background:#fff;border:1px solid var(--line);border-radius:var(--r-card);box-shadow:var(--sh-1);overflow:hidden}
.faq-item{border-bottom:1px solid var(--line)}
.faq-item:last-child{border-bottom:0}
.faq-q{width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;padding:20px 22px;background:transparent;border:0;cursor:pointer;text-align:left;font-size:16px;font-weight:600;color:var(--ink);transition:background .18s ease}
.faq-q:hover{background:var(--bg)}
.faq-q .ico{flex:0 0 auto;width:26px;height:26px;border-radius:8px;background:rgba(18,135,106,.12);color:var(--brand-700);display:grid;place-items:center;transition:transform .2s ease,background .2s ease,color .2s ease}
.faq-item.open .faq-q .ico{transform:rotate(45deg);background:var(--accent);color:#fff}
.faq-a{display:grid;grid-template-rows:0fr;transition:grid-template-rows .22s ease}
.faq-item.open .faq-a{grid-template-rows:1fr}
.faq-a>div{overflow:hidden}
.faq-a p{margin:0 22px 22px;padding-left:15px;border-left:3px solid var(--line);font-size:15px;line-height:1.85;color:var(--ink-soft);transition:border-color .2s ease}
.faq-item.open .faq-a p{border-left-color:var(--accent)}

/* ---------- 底部转化 ---------- */
.cta-sec{background:var(--brand-900);color:#fff;position:relative;overflow:hidden}
.cta-sec::before{content:"";position:absolute;inset:0;background-image:repeating-linear-gradient(115deg,rgba(255,255,255,.04) 0 1px,transparent 1px 62px)}
.cta-inner{position:relative;display:grid;gap:36px;align-items:start}
@media (min-width:1024px){.cta-inner{grid-template-columns:6fr 6fr;gap:48px}}
.cta-points{display:flex;flex-direction:column;gap:12px;margin-top:24px}
.cta-points li{display:flex;gap:10px;align-items:flex-start;font-size:15px;color:rgba(255,255,255,.82)}
.cta-points i{color:var(--lime);margin-top:6px;font-size:11px}
.form-card{background:#fff;color:var(--ink);border-radius:var(--r-card);padding:24px;box-shadow:0 30px 60px -30px rgba(0,0,0,.5)}
@media (min-width:768px){.form-card{padding:28px}}
.field{margin-bottom:16px}
.field label{display:block;font-size:13px;font-weight:600;margin-bottom:6px;color:#22332F}
.field input,.field select,.field textarea{width:100%;border:1px solid var(--line);border-radius:var(--r-input);padding:11px 13px;font-size:15px;background:#fff;transition:border-color .18s ease,box-shadow .18s ease}
.field input::placeholder,.field textarea::placeholder{color:#9AA8A3}
.field input:focus,.field select:focus,.field textarea:focus{outline:none;border-color:var(--brand-700);box-shadow:0 0 0 3px rgba(11,95,74,.12)}
.field textarea{resize:vertical;min-height:78px}
.form-tip{font-size:12px;color:var(--ink-soft);margin-top:12px;line-height:1.7}
.form-msg{display:none;font-size:13px;margin-top:12px;color:var(--brand-500);font-weight:600}
.form-msg.show{display:block}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--brand-900);color:rgba(255,255,255,.72);padding:56px 0 0}
.footer-grid{display:grid;gap:32px}
@media (min-width:768px){.footer-grid{grid-template-columns:repeat(2,1fr)}}
@media (min-width:1024px){.footer-grid{grid-template-columns:1.4fr 1fr 1fr 1.2fr}}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px}
.footer-brand .brand-mark{background:rgba(255,255,255,.12)}
.footer-brand span{font-size:17px;font-weight:800;color:#fff}
.site-footer h4{font-size:15px;font-weight:700;color:#fff;margin-bottom:16px}
.site-footer p{font-size:14px;line-height:1.85}
.footer-links{display:flex;flex-direction:column;gap:10px}
.footer-links a{font-size:14px;color:rgba(255,255,255,.72);transition:color .18s ease,transform .18s ease;display:inline-block}
.footer-links a:hover{color:var(--lime);transform:translateX(2px)}
.footer-social{display:flex;gap:10px;margin-top:18px}
.footer-social a{width:38px;height:38px;border-radius:50%;border:1px solid rgba(255,255,255,.24);display:grid;place-items:center;color:rgba(255,255,255,.8);transition:background .18s ease,color .18s ease,transform .18s ease}
.footer-social a:hover{background:rgba(200,242,78,.16);color:var(--lime);transform:translateY(-2px)}
.footer-bottom{margin-top:44px;border-top:1px solid rgba(255,255,255,.14);padding:20px 0;display:flex;flex-wrap:wrap;gap:10px 20px;align-items:center;justify-content:space-between;font-size:12px;color:rgba(255,255,255,.55)}
.footer-bottom a{color:rgba(255,255,255,.6)}
.footer-bottom a:hover{color:var(--lime)}

/* ---------- 移动端固定条 ---------- */
.mobile-bar{position:fixed;left:0;right:0;bottom:0;z-index:70;background:var(--brand-900);border-top:1px solid rgba(255,255,255,.14);padding:10px 14px;display:flex;align-items:center;justify-content:space-between;gap:12px;transform:translateY(110%);transition:transform .28s ease}
.mobile-bar.show{transform:translateY(0)}
.mobile-bar p{color:#fff;font-size:14px;font-weight:600;margin:0}
.mobile-bar .close{background:transparent;border:0;color:rgba(255,255,255,.6);cursor:pointer;padding:4px}
.mobile-bar.hide{display:none}
@media (min-width:1024px){.mobile-bar{display:none}}

/* 滚动显现 */
.reveal{opacity:0;transform:translateY(16px);transition:opacity .5s ease,transform .5s ease}
.reveal.in{opacity:1;transform:translateY(0)}
@media (prefers-reduced-motion:reduce){
  .reveal{opacity:1;transform:none;transition:none}
  html{scroll-behavior:auto}
}

/* roulang page: article */
:root{
  --brand-900:#07332A;
  --brand-700:#0B5F4A;
  --brand-500:#12876A;
  --accent:#FF6A2C;
  --lime:#C8F24E;
  --bg:#F5F7F4;
  --surface:#FFFFFF;
  --line:#E2E8E3;
  --ink:#101A18;
  --ink-soft:#5C6B67;
  --sh-1:0 1px 2px rgba(16,26,24,.05);
  --sh-2:0 10px 30px -12px rgba(11,95,74,.25);
  --r-card:16px;
  --r-btn:12px;
  --r-pill:999px;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:system-ui,"PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif;
  font-size:16px;
  line-height:1.75;
  color:var(--ink);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none;transition:color .18s ease}
button{font:inherit}
h1,h2,h3,h4{margin:0;line-height:1.3;font-weight:700}
p{margin:0 0 1em}
p:last-child{margin-bottom:0}
ul,ol{margin:0}
table{border-collapse:collapse;width:100%}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 16px}
@media (min-width:768px){.container{padding:0 24px}}
.num{font-variant-numeric:tabular-nums;font-weight:800}
.slash-deco{
  background-image:repeating-linear-gradient(135deg,rgba(200,242,78,.07) 0 2px,transparent 2px 12px);
}

/* ---------- header / nav ---------- */
.site-header{
  position:sticky;top:0;z-index:50;
  background:rgba(255,255,255,.94);
  backdrop-filter:blur(10px);
  border-bottom:1px solid var(--line);
  transition:box-shadow .2s ease;
}
.site-header.is-scrolled{box-shadow:var(--sh-1)}
.nav-inner{display:flex;align-items:center;justify-content:space-between;gap:18px;height:72px;transition:height .2s ease}
.site-header.is-scrolled .nav-inner{height:64px}
.brand{display:flex;align-items:center;gap:10px;flex-shrink:0}
.brand-mark{width:34px;height:34px;border-radius:50%;background:var(--brand-900);display:grid;place-items:center;flex-shrink:0}
.brand-mark svg{width:20px;height:20px}
.brand-text{font-size:18px;font-weight:800;letter-spacing:-.01em;color:var(--ink);white-space:nowrap}
.nav-links{display:none;list-style:none;margin:0;padding:0;align-items:center;gap:2px}
.nav-link{position:relative;display:inline-block;padding:8px 11px;font-size:15px;font-weight:600;color:var(--ink-soft);border-radius:10px;white-space:nowrap}
.nav-link::after{content:"";position:absolute;left:11px;right:11px;bottom:3px;height:2px;background:var(--brand-500);transform:scaleX(0);transform-origin:left;transition:transform .2s ease}
.nav-link:hover{color:var(--brand-700)}
.nav-link:hover::after{transform:scaleX(1)}
.nav-link.active{color:var(--brand-900);background:rgba(18,135,106,.1)}
.nav-link.active::after{transform:scaleX(0)}
.nav-actions{display:flex;align-items:center;gap:10px;flex-shrink:0}
.nav-toggle{
  display:inline-flex;align-items:center;justify-content:center;
  width:44px;height:44px;border-radius:12px;border:1px solid var(--line);
  background:#fff;cursor:pointer;transition:background .18s ease,border-color .18s ease;
}
.nav-toggle:hover{background:var(--bg);border-color:var(--brand-500)}
.nav-scrim{position:fixed;inset:0;background:rgba(7,51,42,.42);opacity:0;pointer-events:none;transition:opacity .25s ease;z-index:55}
.nav-scrim.open{opacity:1;pointer-events:auto}
@media (min-width:1024px){
  .nav-links{display:flex}
  .nav-toggle{display:none}
}
@media (max-width:1023px){
  .nav-links{
    position:fixed;top:0;left:0;bottom:0;width:280px;max-width:84vw;
    background:#fff;flex-direction:column;align-items:stretch;gap:4px;
    padding:84px 18px 28px;margin:0;overflow-y:auto;
    box-shadow:0 24px 60px -24px rgba(7,51,42,.45);
    transform:translateX(-105%);transition:transform .28s ease;z-index:60;
  }
  .nav-links.open{transform:translateX(0);display:flex}
  .nav-link{display:block;padding:12px 14px;font-size:16px;border-radius:12px}
  .nav-link::after{display:none}
  .nav-link.active{background:rgba(18,135,106,.12)}
  .btn-ghost{display:none}
}
@media (max-width:520px){
  .brand-text{font-size:16px}
}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border:1px solid transparent;border-radius:var(--r-btn);
  padding:12px 22px;font-size:15px;font-weight:700;cursor:pointer;
  transition:transform .18s ease,box-shadow .18s ease,background .18s ease,filter .18s ease,color .18s ease;
}
.btn:disabled{opacity:.45;cursor:not-allowed}
.btn-primary{background:var(--accent);color:#fff;box-shadow:0 8px 20px -10px rgba(255,106,44,.75)}
.btn-primary:hover{transform:translateY(-1px);box-shadow:var(--sh-2);filter:brightness(1.03)}
.btn-primary:active{transform:translateY(0)}
.btn-outline{border-color:var(--brand-700);color:var(--brand-700);background:#fff}
.btn-outline:hover{background:rgba(18,135,106,.09);transform:translateY(-1px)}
.btn-outline:active{transform:translateY(0)}
.btn-sm{padding:9px 18px;font-size:14px;border-radius:var(--r-pill)}
.btn-block{width:100%}
.text-link{color:var(--brand-700);font-weight:700;display:inline-flex;align-items:center;gap:6px}
.text-link i{transition:transform .18s ease}
.text-link:hover i{transform:translateX(3px)}

/* ---------- badges ---------- */
.badge{
  display:inline-flex;align-items:center;gap:6px;
  padding:4px 12px;border-radius:var(--r-pill);
  font-size:12px;font-weight:600;
  background:rgba(18,135,106,.15);color:var(--brand-900);
}
.badge-lime{background:var(--lime);color:var(--ink)}

/* ---------- breadcrumb ---------- */
.crumb-wrap{padding:18px 0 0}
.crumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:14px;color:var(--ink-soft);list-style:none;padding:0;margin:0}
.crumb a{color:var(--ink-soft)}
.crumb a:hover{color:var(--brand-700)}
.crumb .sep{color:#B9C4C0}
.crumb .now{color:var(--brand-900);font-weight:600;max-width:100%;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}

/* ---------- article layout ---------- */
.page-main{padding:16px 0 0}
.article-layout{display:grid;grid-template-columns:1fr;gap:24px;align-items:start}
@media (min-width:1024px){
  .article-layout{grid-template-columns:minmax(0,2fr) minmax(0,1fr);gap:28px}
}
.article-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);
  padding:24px;box-shadow:var(--sh-1);
}
@media (min-width:768px){.article-card{padding:36px 40px}}
.article-head h1{font-size:clamp(24px,3.2vw,34px);font-weight:800;letter-spacing:-.01em;line-height:1.25}
.article-head .title-rule{width:60px;height:3px;background:var(--lime);border-radius:2px;margin-top:14px}
.meta-row{display:flex;flex-wrap:wrap;align-items:center;gap:10px;margin-top:16px;font-size:13px;color:var(--ink-soft)}
.meta-row .divider{width:1px;height:12px;background:var(--line)}
.article-cover{margin-top:22px;border-radius:var(--r-card);overflow:hidden}
.article-cover img{width:100%;aspect-ratio:16/9;object-fit:cover}
.article-body{margin-top:26px;font-size:16.5px;line-height:1.85;color:var(--ink)}
.article-body h2{font-size:clamp(20px,2.4vw,24px);font-weight:700;margin:2em 0 .8em;padding-left:12px;border-left:4px solid var(--brand-500);line-height:1.4}
.article-body h3{font-size:18px;font-weight:600;margin:1.6em 0 .6em}
.article-body h4{font-size:16px;font-weight:600;margin:1.4em 0 .5em;color:var(--brand-700)}
.article-body p{margin:0 0 1em}
.article-body ul,.article-body ol{padding-left:1.4em;margin:0 0 1em}
.article-body ul{list-style:none;padding-left:.2em}
.article-body ul li{position:relative;padding-left:1.3em;margin-bottom:.5em}
.article-body ul li::before{content:"";position:absolute;left:0;top:.68em;width:6px;height:6px;background:var(--brand-500);border-radius:1px}
.article-body ol li{margin-bottom:.5em}
.article-body a{color:var(--brand-700);text-decoration:underline;text-underline-offset:3px}
.article-body a:hover{color:var(--brand-500)}
.article-body blockquote{
  margin:1.4em 0;padding:16px 20px;background:var(--bg);
  border-left:3px solid var(--accent);border-radius:0 12px 12px 0;color:var(--ink-soft);
}
.article-body img{border-radius:12px;margin:22px auto}
.article-body figure{margin:22px 0}
.article-body figcaption{text-align:center;font-size:13px;color:var(--ink-soft);margin-top:10px}
.article-body table{margin:1.4em 0;font-size:15px}
.article-body th,.article-body td{border:1px solid var(--line);padding:10px 12px;text-align:left}
.article-body th{background:rgba(11,95,74,.08);color:var(--brand-900);font-weight:700}
.article-body tbody tr:nth-child(even){background:rgba(245,247,244,.8)}
.article-body code{background:rgba(18,135,106,.1);padding:2px 6px;border-radius:6px;font-size:14px}
.article-body hr{border:none;border-top:1px solid var(--line);margin:2em 0}

.empty-state{text-align:center;padding:48px 12px}
.empty-state i{font-size:64px;color:#C4CFCB;display:block;margin-bottom:16px}
.empty-state p{color:var(--ink-soft);margin-bottom:18px}

.article-foot{margin-top:32px;padding-top:24px;border-top:1px solid var(--line)}
.tag-row{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:22px}
.tag{
  display:inline-flex;align-items:center;padding:5px 14px;border-radius:var(--r-pill);
  font-size:12px;font-weight:600;background:rgba(18,135,106,.15);color:var(--brand-900);
  transition:background .18s ease,transform .18s ease;
}
.tag:hover{background:rgba(18,135,106,.25);transform:translateY(-1px)}
.nav-post{display:grid;grid-template-columns:1fr;gap:14px;margin-bottom:22px}
@media (min-width:640px){.nav-post{grid-template-columns:1fr 1fr}}
.nav-post a{
  border:1px solid var(--line);border-radius:var(--r-card);padding:16px 18px;background:#fff;
  transition:box-shadow .18s ease,transform .18s ease,border-color .18s ease;
}
.nav-post a:hover{box-shadow:var(--sh-2);transform:translateY(-2px);border-color:var(--brand-500)}
.nav-post span{display:block;font-size:12px;color:var(--ink-soft);margin-bottom:6px}
.nav-post strong{font-size:15px;font-weight:600;line-height:1.5}

/* ---------- sidebar ---------- */
.side{display:flex;flex-direction:column;gap:20px}
@media (min-width:1024px){.side{position:sticky;top:96px}}
.side-card{background:#fff;border:1px solid var(--line);border-radius:var(--r-card);padding:20px;box-shadow:var(--sh-1)}
.side-card h3{font-size:16px;font-weight:700;margin-bottom:14px;display:flex;align-items:center;gap:8px}
.side-card h3 i{color:var(--brand-500)}
.toc-list{list-style:none;padding:0;margin:0;max-height:320px;overflow-y:auto}
.toc-list li{margin-bottom:2px}
.toc-list a{display:block;font-size:14px;color:var(--ink-soft);padding:7px 10px;border-radius:8px;border-left:2px solid transparent}
.toc-list a:hover{background:var(--bg);color:var(--brand-700);border-left-color:var(--brand-500)}
.toc-empty{font-size:14px;color:var(--ink-soft);padding:4px 0}
.side-links{list-style:none;padding:0;margin:0}
.side-links li+li{border-top:1px solid var(--line)}
.side-links a{display:flex;align-items:center;justify-content:space-between;gap:10px;padding:12px 2px;font-size:14.5px;font-weight:600;color:var(--ink)}
.side-links a:hover{color:var(--brand-700)}
.side-links a i{font-size:12px;color:var(--brand-500);transition:transform .18s ease}
.side-links a:hover i{transform:translateX(3px)}
.side-cta{background:linear-gradient(150deg,var(--brand-900),var(--brand-700));color:#fff;border:none}
.side-cta h3{color:#fff}
.side-cta p{font-size:14px;color:rgba(255,255,255,.82);margin-bottom:16px}

/* ---------- related ---------- */
.related{background:#fff;border:1px solid var(--line);border-radius:var(--r-card);padding:24px;margin-top:28px;box-shadow:var(--sh-1)}
.related-head{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:18px}
.related-head h2{font-size:20px}
.related-grid{display:grid;grid-template-columns:1fr;gap:18px}
@media (min-width:640px){.related-grid{grid-template-columns:repeat(2,1fr)}}
@media (min-width:1024px){.related-grid{grid-template-columns:repeat(3,1fr)}}
.rcard{
  display:block;background:#fff;border:1px solid var(--line);border-radius:var(--r-card);
  overflow:hidden;box-shadow:var(--sh-1);transition:transform .18s ease,box-shadow .18s ease,border-color .18s ease;
}
.rcard:hover{transform:translateY(-2px);box-shadow:var(--sh-2);border-color:var(--brand-500)}
.rcard-img{overflow:hidden}
.rcard-img img{width:100%;aspect-ratio:16/10;object-fit:cover;transition:transform .3s ease}
.rcard:hover .rcard-img img{transform:scale(1.03)}
.rcard-body{padding:16px 18px 18px}
.rcard-body h3{font-size:16px;font-weight:600;line-height:1.55;margin:10px 0 10px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.rcard-meta{display:flex;align-items:center;justify-content:space-between;font-size:13px;color:var(--ink-soft)}

/* ---------- cta band ---------- */
.cta-band{background:var(--brand-900);color:#fff;margin-top:56px;padding:56px 0}
.cta-grid{display:grid;grid-template-columns:1fr;gap:28px;align-items:center}
@media (min-width:1024px){.cta-grid{grid-template-columns:minmax(0,1fr) minmax(0,1fr)}}
.cta-band h2{font-size:clamp(22px,3vw,30px);font-weight:800;margin-bottom:12px}
.cta-band .lead{color:rgba(255,255,255,.8);font-size:15.5px;margin-bottom:6px}
.cta-points{list-style:none;padding:0;margin:14px 0 0}
.cta-points li{display:flex;align-items:center;gap:10px;font-size:15px;color:rgba(255,255,255,.86);margin-bottom:8px}
.cta-points i{color:var(--lime)}
.form-card{background:#fff;border-radius:var(--r-card);padding:24px;box-shadow:var(--sh-2);color:var(--ink)}
.form-card h3{font-size:18px;margin-bottom:4px}
.form-card .form-tip{font-size:13px;color:var(--ink-soft);margin-bottom:16px}
.field{margin-bottom:14px}
.field label{display:block;font-size:13px;font-weight:600;margin-bottom:6px}
.field input,.field select,.field textarea{
  width:100%;padding:11px 13px;border:1px solid var(--line);border-radius:10px;
  font-size:15px;color:var(--ink);background:#fff;transition:border-color .18s ease,box-shadow .18s ease;
  font-family:inherit;
}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:none;border-color:var(--brand-700);box-shadow:0 0 0 3px rgba(11,95,74,.12);
}
.field textarea{resize:vertical;min-height:72px}
.form-msg{font-size:13px;margin-top:10px;display:none;align-items:center;gap:6px}
.form-msg.show{display:flex}
.form-msg.ok{color:var(--brand-500)}
.form-msg.err{color:#D6412B}

/* ---------- footer ---------- */
.site-footer{background:#fff;border-top:1px solid var(--line);padding:52px 0 0;margin-top:0}
.footer-grid{display:grid;grid-template-columns:1fr;gap:32px}
@media (min-width:640px){.footer-grid{grid-template-columns:1fr 1fr}}
@media (min-width:1024px){.footer-grid{grid-template-columns:1.5fr 1fr 1fr 1.2fr}}
.footer-brand{display:flex;align-items:center;gap:10px;font-size:17px;font-weight:800;margin-bottom:14px}
.site-footer p{font-size:14px;color:var(--ink-soft)}
.site-footer h4{font-size:15px;font-weight:700;margin-bottom:14px}
.footer-links{display:flex;flex-direction:column;gap:10px}
.footer-links a{font-size:14px;color:var(--ink-soft)}
.footer-links a:hover{color:var(--brand-700)}
.footer-social{display:flex;gap:10px;margin-top:16px}
.footer-social a{
  width:36px;height:36px;border-radius:50%;border:1px solid var(--line);
  display:grid;place-items:center;color:var(--brand-700);font-size:14px;
  transition:background .18s ease,border-color .18s ease,transform .18s ease;
}
.footer-social a:hover{background:rgba(18,135,106,.1);border-color:var(--brand-500);transform:translateY(-1px)}
.footer-bottom{
  margin-top:40px;padding:18px 0;border-top:1px solid var(--line);
  display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;font-size:12px;color:var(--ink-soft);
}
.footer-bottom a:hover{color:var(--brand-700)}

/* ---------- misc ---------- */
.to-top{
  position:fixed;right:18px;bottom:88px;width:44px;height:44px;border-radius:50%;
  background:#fff;border:1px solid var(--line);box-shadow:var(--sh-2);
  display:grid;place-items:center;color:var(--brand-700);cursor:pointer;
  opacity:0;pointer-events:none;transition:opacity .2s ease,transform .2s ease;z-index:40;
}
.to-top.show{opacity:1;pointer-events:auto}
.to-top:hover{transform:translateY(-2px)}
@media (min-width:768px){.to-top{bottom:24px}}

.mobile-bar{
  position:fixed;left:0;right:0;bottom:0;z-index:45;
  background:var(--brand-900);border-top:1px solid rgba(255,255,255,.12);
  display:flex;align-items:center;justify-content:space-between;gap:12px;
  padding:10px 14px;color:#fff;
  transform:translateY(110%);transition:transform .25s ease;
}
.mobile-bar.show{transform:translateY(0)}
.mobile-bar .bar-text{font-size:13px;font-weight:600}
.mobile-bar .bar-close{background:transparent;border:none;color:rgba(255,255,255,.7);font-size:16px;cursor:pointer;padding:4px 6px}
@media (min-width:768px){.mobile-bar{display:none}}

.reveal{opacity:0;transform:translateY(14px);transition:opacity .5s ease,transform .5s ease}
.reveal.in{opacity:1;transform:none}

/* roulang page: category1 */
:root{
  --brand-900:#07332A;
  --brand-700:#0B5F4A;
  --brand-500:#12876A;
  --accent:#FF6A2C;
  --lime:#C8F24E;
  --bg:#F5F7F4;
  --surface:#FFFFFF;
  --line:#E2E8E3;
  --ink:#101A18;
  --ink-soft:#5C6B67;
  --sh-1:0 1px 2px rgba(16,26,24,.05);
  --sh-2:0 10px 30px -12px rgba(11,95,74,.25);
  --r-card:16px;
  --r-btn:12px;
  --font:system-ui,"PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:var(--font);
  font-size:16px;
  line-height:1.75;
  color:var(--ink);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button{font-family:inherit;border:0;background:none;cursor:pointer}
h1,h2,h3,h4,p,ul,ol,figure{margin:0}
ul,ol{padding:0;list-style:none}
.container{width:100%;max-width:1200px;margin:0 auto;padding-left:16px;padding-right:16px}
@media (min-width:768px){.container{padding-left:24px;padding-right:24px}}

/* ---------- Header / Nav ---------- */
.site-header{
  position:sticky;top:0;z-index:70;
  background:rgba(255,255,255,.94);
  backdrop-filter:blur(10px);
  border-bottom:1px solid var(--line);
  transition:box-shadow .2s ease;
}
.site-header.is-scrolled{box-shadow:var(--sh-1)}
.nav-inner{display:flex;align-items:center;gap:20px;min-height:70px}
.brand{display:flex;align-items:center;gap:10px;flex-shrink:0}
.brand-mark{
  width:38px;height:38px;border-radius:50%;
  background:var(--brand-700);
  display:flex;align-items:center;justify-content:center;
  box-shadow:var(--sh-1);
}
.brand-mark svg{width:22px;height:22px}
.brand-text{font-size:18px;font-weight:800;letter-spacing:-.01em;color:var(--brand-900);white-space:nowrap}
.nav-links{display:flex;align-items:center;gap:4px;margin-left:auto}
.nav-link{
  position:relative;display:inline-block;
  padding:8px 12px;font-size:15px;font-weight:600;color:var(--ink);
  border-radius:10px;transition:color .18s ease,background .18s ease;
}
.nav-link::after{
  content:"";position:absolute;left:12px;right:12px;bottom:4px;height:2px;
  background:var(--brand-500);transform:scaleX(0);transform-origin:left;
  transition:transform .2s ease;
}
.nav-link:hover{color:var(--brand-700);background:rgba(18,135,106,.07)}
.nav-link:hover::after{transform:scaleX(1)}
.nav-link.active{color:var(--brand-700);background:rgba(18,135,106,.1)}
.nav-link.active::after{transform:scaleX(1)}
.nav-actions{display:flex;align-items:center;gap:10px;flex-shrink:0}

.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  font-size:15px;font-weight:700;line-height:1;
  border-radius:var(--r-btn);
  padding:13px 22px;
  transition:transform .18s ease,box-shadow .18s ease,background .18s ease,color .18s ease,border-color .18s ease;
  white-space:nowrap;
}
.btn-sm{padding:11px 18px;font-size:14px}
.btn-primary{background:var(--accent);color:#fff;border-radius:999px;box-shadow:0 6px 16px -8px rgba(255,106,44,.9)}
.btn-primary:hover{transform:translateY(-1px);box-shadow:var(--sh-2);filter:brightness(1.03)}
.btn-primary:active{transform:translateY(0);box-shadow:var(--sh-1)}
.btn-outline{background:transparent;color:var(--brand-700);border:1.5px solid var(--brand-700)}
.btn-outline:hover{background:rgba(11,95,74,.08);transform:translateY(-1px)}
.btn-outline:active{transform:translateY(0)}
.btn-ghost{border-color:var(--brand-500);color:var(--brand-700)}
.btn:focus-visible,a:focus-visible,button:focus-visible{
  outline:2px solid var(--accent);outline-offset:2px;
}
.btn[disabled],.btn.is-disabled{opacity:.45;cursor:not-allowed;transform:none;box-shadow:none;filter:none}
.link-arrow{
  display:inline-flex;align-items:center;gap:6px;
  font-size:14px;font-weight:700;color:var(--brand-700);
}
.link-arrow i{transition:transform .18s ease;font-size:12px}
.link-arrow:hover i{transform:translateX(3px)}
.nav-toggle{
  display:none;width:44px;height:44px;align-items:center;justify-content:center;
  border:1px solid var(--line);border-radius:12px;background:#fff;
}

.nav-mask{
  position:fixed;inset:0;background:rgba(7,51,42,.45);
  opacity:0;visibility:hidden;transition:opacity .22s ease;z-index:65;
}
.nav-mask.is-open{opacity:1;visibility:visible}

@media (max-width:1023px){
  .nav-links{gap:0}
  .nav-link{padding:8px 9px;font-size:14px}
}
@media (max-width:900px){
  .nav-links{
    position:fixed;top:0;left:-102%;height:100vh;width:82%;max-width:340px;
    background:#fff;flex-direction:column;align-items:stretch;gap:2px;
    padding:88px 20px 28px;margin-left:0;overflow-y:auto;
    box-shadow:var(--sh-2);transition:left .26s ease;z-index:68;
  }
  .nav-links.is-open{left:0}
  .nav-link{padding:13px 14px;font-size:16px;border-radius:12px}
  .nav-link::after{display:none}
  .nav-toggle{display:inline-flex}
  .nav-actions .btn-ghost{display:none}
  .nav-actions .btn-primary{display:none}
  .nav-actions{margin-left:auto}
}

/* ---------- 分类横幅 ---------- */
.cat-hero{
  position:relative;overflow:hidden;
  background:linear-gradient(120deg,var(--brand-900) 0%,var(--brand-700) 100%);
  color:#fff;
}
.cat-hero-bg{
  position:absolute;inset:0;
  background-size:cover;background-position:center;
  opacity:.16;mix-blend-mode:luminosity;
}
.cat-hero::after{
  content:"";position:absolute;inset:0;
  background-image:repeating-linear-gradient(115deg,rgba(200,242,78,.05) 0 2px,transparent 2px 16px);
  pointer-events:none;
}
.cat-hero-inner{position:relative;z-index:2;padding-top:44px;padding-bottom:48px}
.breadcrumb{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px;
  font-size:13px;color:rgba(255,255,255,.72);margin-bottom:20px;
}
.breadcrumb a:hover{color:var(--lime)}
.breadcrumb .sep{opacity:.55}
.badge{
  display:inline-flex;align-items:center;gap:6px;
  font-size:12px;font-weight:600;line-height:1;
  padding:7px 12px;border-radius:999px;
}
.badge-lime{background:var(--lime);color:var(--ink)}
.badge-soft{background:rgba(18,135,106,.15);color:var(--brand-900)}
.badge-dark{background:rgba(255,255,255,.14);color:#fff}
.cat-hero h1{
  font-size:clamp(26px,4vw,44px);
  line-height:1.18;font-weight:800;letter-spacing:-.01em;
  margin:16px 0 14px;max-width:900px;
}
.cat-hero-lead{font-size:16px;color:rgba(255,255,255,.86);max-width:640px}
.cat-hero-meta{
  display:flex;flex-wrap:wrap;gap:10px 22px;margin-top:24px;
  font-size:13px;color:rgba(255,255,255,.72);
}
.cat-hero-meta span{display:inline-flex;align-items:center;gap:8px}
.cat-hero-meta i{color:var(--lime);font-size:12px}

/* ---------- 主体布局 ---------- */
.cat-layout{
  display:grid;grid-template-columns:250px minmax(0,1fr);
  gap:44px;padding-top:48px;padding-bottom:8px;
}
.cat-anchor{position:sticky;top:96px;align-self:start}
.anchor-card{
  background:var(--surface);border:1px solid var(--line);
  border-radius:var(--r-card);padding:20px;box-shadow:var(--sh-1);
}
.anchor-card h2{font-size:14px;font-weight:700;color:var(--ink-soft);letter-spacing:.04em;margin-bottom:12px}
.anchor-list li+li{margin-top:2px}
.anchor-list a{
  display:flex;align-items:center;gap:10px;
  padding:9px 10px;border-radius:10px;
  font-size:14px;font-weight:600;color:var(--ink);
  transition:background .18s ease,color .18s ease;
}
.anchor-list a i{font-size:11px;color:var(--brand-500);transition:transform .18s ease}
.anchor-list a:hover{background:rgba(18,135,106,.09);color:var(--brand-700)}
.anchor-list a:hover i{transform:translateX(2px)}
.anchor-tip{
  margin-top:18px;padding:14px;border-radius:12px;
  background:var(--bg);border:1px dashed var(--line);
  font-size:13px;color:var(--ink-soft);line-height:1.7;
}
@media (max-width:1023px){
  .cat-layout{grid-template-columns:1fr;gap:26px;padding-top:32px}
  .cat-anchor{position:static}
  .anchor-card{padding:16px}
  .anchor-list{display:flex;flex-wrap:wrap;gap:6px}
  .anchor-list li+li{margin-top:0}
  .anchor-list a{background:var(--bg);padding:8px 12px;font-size:13px}
  .anchor-tip{display:none}
}

.section{padding-block:8px;margin-bottom:52px;scroll-margin-top:96px}
.section-head{margin-bottom:24px}
.section-head h2{font-size:clamp(21px,2.6vw,28px);font-weight:800;letter-spacing:-.01em;color:var(--brand-900)}
.section-head .sub{margin-top:10px;font-size:15px;color:var(--ink-soft);max-width:660px}
.section-head .accent-line{width:60px;height:3px;background:var(--lime);border-radius:2px;margin-top:14px}

/* ---------- 指引卡片 ---------- */
.guide-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:22px}
.card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);
  box-shadow:var(--sh-1);overflow:hidden;
  transition:transform .18s ease,box-shadow .18s ease,border-color .18s ease;
}
.card:hover{transform:translateY(-2px);box-shadow:var(--sh-2);border-color:rgba(18,135,106,.4)}
.card-media{aspect-ratio:16/10;overflow:hidden;background:var(--bg)}
.card-media img{width:100%;height:100%;object-fit:cover;transition:transform .3s ease}
.card:hover .card-media img{transform:scale(1.03)}
.card-body{padding:22px}
.card-body h3{font-size:19px;font-weight:700;line-height:1.4;margin:12px 0 10px;color:var(--brand-900)}
.card-body p{font-size:15px;color:var(--ink-soft);line-height:1.75}
.card-foot{
  display:flex;align-items:center;justify-content:space-between;gap:12px;
  margin-top:18px;padding-top:16px;border-top:1px solid var(--line);
  font-size:13px;color:var(--ink-soft);
}
@media (max-width:767px){.guide-grid{grid-template-columns:1fr}}

/* ---------- 步骤流程 ---------- */
.steps{
  display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px;
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);
  padding:28px;box-shadow:var(--sh-1);
}
.step{position:relative;padding-right:8px}
.step-num{
  width:40px;height:40px;border-radius:50%;
  background:rgba(18,135,106,.12);color:var(--brand-700);
  display:flex;align-items:center;justify-content:center;
  font-weight:800;font-size:16px;font-variant-numeric:tabular-nums;
}
.step h3{font-size:17px;font-weight:700;margin:16px 0 8px;color:var(--brand-900)}
.step p{font-size:14.5px;color:var(--ink-soft)}
.step::after{
  content:"";position:absolute;top:20px;left:52px;right:0;
  border-top:2px dashed var(--line);
}
.step:last-child::after{display:none}
@media (max-width:900px){
  .steps{grid-template-columns:1fr;gap:0;padding:22px}
  .step{padding:18px 0;border-bottom:1px dashed var(--line)}
  .step:last-child{border-bottom:0;padding-bottom:0}
  .step::after{display:none}
}

/* ---------- 核对清单 ---------- */
.check-list{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);
  overflow:hidden;box-shadow:var(--sh-1);
}
.check-row{
  display:grid;grid-template-columns:56px minmax(0,1.1fr) minmax(0,1.6fr) auto;
  align-items:center;gap:16px;
  padding:16px 22px;border-bottom:1px solid var(--line);
  transition:background .18s ease,transform .18s ease;
}
.check-row:last-child{border-bottom:0}
.check-row:hover{background:var(--bg);transform:translateY(-1px)}
.check-icon{
  width:40px;height:40px;border-radius:12px;
  background:rgba(18,135,106,.12);color:var(--brand-700);
  display:flex;align-items:center;justify-content:center;font-size:15px;
}
.check-row h3{font-size:15.5px;font-weight:700;color:var(--brand-900)}
.check-row p{font-size:14px;color:var(--ink-soft)}
.check-tag{
  font-size:12px;font-weight:600;padding:6px 11px;border-radius:999px;
  background:rgba(18,135,106,.15);color:var(--brand-900);white-space:nowrap;
}
.check-tag.warn{background:rgba(255,106,44,.14);color:#A63A0C}
@media (max-width:767px){
  .check-row{grid-template-columns:44px 1fr;gap:12px;padding:16px}
  .check-row p{grid-column:1/-1;margin-top:-4px}
  .check-tag{grid-column:2;justify-self:start}
}

/* ---------- 数字条 ---------- */
.stat-strip{
  display:grid;grid-template-columns:repeat(4,minmax(0,1fr));
  background:var(--brand-900);border-radius:var(--r-card);
  padding:26px 20px;color:#fff;margin-top:26px;
}
.stat{padding:0 18px;border-right:1px solid rgba(255,255,255,.14)}
.stat:last-child{border-right:0}
.stat b{
  display:block;font-size:clamp(24px,3vw,34px);font-weight:800;
  color:var(--lime);font-variant-numeric:tabular-nums;line-height:1.2;
}
.stat span{display:block;margin-top:6px;font-size:13px;color:rgba(255,255,255,.72)}
@media (max-width:767px){
  .stat-strip{grid-template-columns:repeat(2,minmax(0,1fr));gap:18px 0;padding:22px 12px}
  .stat:nth-child(2){border-right:0}
  .stat{padding:0 12px}
}

/* ---------- FAQ ---------- */
.faq{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);
  overflow:hidden;box-shadow:var(--sh-1);
}
.faq-item{border-bottom:1px solid var(--line)}
.faq-item:last-child{border-bottom:0}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:20px 22px;text-align:left;font-size:16px;font-weight:600;color:var(--brand-900);
  transition:background .18s ease;
}
.faq-q:hover{background:var(--bg)}
.faq-q i{font-size:13px;color:var(--brand-500);transition:transform .22s ease;flex-shrink:0}
.faq-item.open .faq-q i{transform:rotate(180deg)}
.faq-item.open .faq-q{position:relative}
.faq-item.open .faq-q::before{
  content:"";position:absolute;left:0;top:14px;bottom:14px;width:3px;
  background:var(--accent);border-radius:0 3px 3px 0;
}
.faq-a{display:grid;grid-template-rows:0fr;transition:grid-template-rows .22s ease}
.faq-item.open .faq-a{grid-template-rows:1fr}
.faq-a-inner{overflow:hidden}
.faq-a p{padding:0 22px 22px 22px;font-size:15px;line-height:1.85;color:var(--ink-soft)}

/* ---------- 浅底 CTA ---------- */
.cta-band{
  background:linear-gradient(180deg,rgba(200,242,78,.16) 0%,rgba(18,135,106,.09) 100%);
  border-top:1px solid var(--line);
  border-bottom:1px solid var(--line);
  padding-block:40px;margin-top:8px;
}
.cta-band-inner{
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:20px;
}
.cta-band h2{font-size:clamp(19px,2.4vw,24px);font-weight:800;color:var(--brand-900)}
.cta-band p{margin-top:8px;font-size:15px;color:var(--ink-soft);max-width:560px}

/* ---------- Footer ---------- */
.site-footer{background:var(--brand-900);color:rgba(255,255,255,.78);padding-top:56px;margin-top:0}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:34px;padding-bottom:40px}
.footer-brand{display:flex;align-items:center;gap:10px;font-size:17px;font-weight:800;color:#fff;margin-bottom:16px}
.site-footer p{font-size:14px;line-height:1.8}
.site-footer h4{font-size:15px;font-weight:700;color:#fff;margin-bottom:16px}
.footer-links{display:flex;flex-direction:column;gap:10px}
.footer-links a{font-size:14px;color:rgba(255,255,255,.78);transition:color .18s ease,transform .18s ease}
.footer-links a:hover{color:var(--lime);transform:translateX(2px)}
.footer-social{display:flex;gap:10px;margin-top:18px}
.footer-social a{
  width:38px;height:38px;border-radius:50%;
  border:1px solid rgba(255,255,255,.24);
  display:flex;align-items:center;justify-content:center;
  color:rgba(255,255,255,.85);font-size:14px;
  transition:border-color .18s ease,color .18s ease,background .18s ease;
}
.footer-social a:hover{border-color:var(--lime);color:var(--lime);background:rgba(200,242,78,.08)}
.footer-bottom{
  display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;
  padding:20px 0;border-top:1px solid rgba(255,255,255,.14);
  font-size:12px;color:rgba(255,255,255,.6);
}
.footer-bottom a{color:rgba(255,255,255,.72)}
.footer-bottom a:hover{color:var(--lime)}
@media (max-width:1023px){
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px}
}
@media (max-width:600px){
  .footer-grid{grid-template-columns:1fr;gap:26px}
}

/* roulang page: category2 */
:root{
  --brand-900:#07332A;
  --brand-700:#0B5F4A;
  --brand-500:#12876A;
  --accent:#FF6A2C;
  --lime:#C8F24E;
  --bg:#F5F7F4;
  --surface:#FFFFFF;
  --line:#E2E8E3;
  --ink:#101A18;
  --ink-soft:#5C6B67;
  --sh-1:0 1px 2px rgba(16,26,24,.05);
  --sh-2:0 10px 30px -12px rgba(11,95,74,.25);
  --r-card:16px;
  --r-btn:12px;
  --r-input:10px;
  --font: system-ui,"PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;font-family:var(--font);background:var(--bg);color:var(--ink);
  font-size:16px;line-height:1.75;-webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button,input,select,textarea{font:inherit;color:inherit}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px;border-radius:8px}
body .container{width:100%;max-width:1200px;margin:0 auto;padding-left:16px;padding-right:16px}
@media (min-width:768px){body .container{padding-left:24px;padding-right:24px}}

h1,h2,h3,h4{margin:0;line-height:1.25;letter-spacing:-.01em}
p{margin:0}
ul{margin:0;padding:0;list-style:none}

/* ---------- Header / Nav ---------- */
.site-header{
  position:sticky;top:0;z-index:60;background:rgba(255,255,255,.94);
  backdrop-filter:blur(10px);border-bottom:1px solid var(--line);
  transition:box-shadow .22s ease;
}
.site-header.scrolled{box-shadow:var(--sh-1)}
.nav-inner{display:flex;align-items:center;gap:16px;height:72px}
.brand{display:flex;align-items:center;gap:10px;flex-shrink:0}
.brand-mark{
  width:36px;height:36px;border-radius:11px;background:var(--brand-900);
  display:flex;align-items:center;justify-content:center;flex-shrink:0;
}
.brand-mark svg{width:22px;height:22px}
.brand-text{font-size:18px;font-weight:800;color:var(--brand-900);white-space:nowrap;letter-spacing:-.01em}
.nav-links{display:none;margin-left:auto;align-items:center;gap:20px}
@media (min-width:1024px){.nav-links{display:flex}}
.nav-link{
  position:relative;display:inline-block;font-size:15px;font-weight:600;color:var(--ink);
  padding:6px 2px;transition:color .18s ease;white-space:nowrap;
}
.nav-link::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:2px;background:var(--brand-500);
  transform:scaleX(0);transform-origin:left;transition:transform .22s ease;
}
.nav-link:hover{color:var(--brand-700)}
.nav-link:hover::after,.nav-link.active::after{transform:scaleX(1)}
.nav-link.active{color:var(--brand-700)}
.nav-actions{display:flex;align-items:center;gap:10px;margin-left:auto}
@media (min-width:1024px){.nav-actions{margin-left:0}}
.nav-toggle{
  display:inline-flex;align-items:center;justify-content:center;
  width:44px;height:44px;border-radius:12px;background:#fff;
  border:1px solid var(--line);cursor:pointer;transition:background .18s ease,border-color .18s ease;
}
.nav-toggle:hover{background:var(--bg);border-color:var(--brand-500)}
@media (min-width:1024px){.nav-toggle{display:none}}

/* ---------- Buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  font-weight:600;border-radius:var(--r-btn);border:1px solid transparent;
  cursor:pointer;white-space:nowrap;
  transition:transform .18s ease,box-shadow .18s ease,background-color .18s ease,color .18s ease,border-color .18s ease;
}
.btn-sm{height:42px;padding:0 20px;font-size:15px}
.btn-lg{height:50px;padding:0 28px;font-size:16px}
.btn-primary{
  background:var(--accent);color:#fff;border-radius:999px;
  box-shadow:0 8px 20px -10px rgba(255,106,44,.75);
}
.btn-primary:hover{transform:translateY(-1px);box-shadow:var(--sh-2);filter:brightness(1.03)}
.btn-primary:active{transform:translateY(0);box-shadow:var(--sh-1)}
.btn-outline{border-color:var(--brand-700);color:var(--brand-700);background:transparent}
.btn-outline:hover{background:rgba(11,95,74,.08);transform:translateY(-1px)}
.btn-outline:active{transform:translateY(0)}
.btn-ghost{background:rgba(18,135,106,.10);color:var(--brand-900);border-color:transparent}
.btn-ghost:hover{background:rgba(18,135,106,.18)}
@media (max-width:767px){
  .nav-actions .btn-ghost{display:none}
}
.link-arrow{
  display:inline-flex;align-items:center;gap:6px;font-size:15px;font-weight:600;color:var(--brand-700);
  transition:color .18s ease;
}
.link-arrow i{transition:transform .2s ease}
.link-arrow:hover{color:var(--brand-500)}
.link-arrow:hover i{transform:translateX(3px)}

/* ---------- Drawer ---------- */
.drawer-mask{
  position:fixed;inset:0;background:rgba(7,51,42,.45);z-index:80;
  opacity:0;visibility:hidden;transition:opacity .24s ease,visibility .24s ease;
}
.drawer-mask.open{opacity:1;visibility:visible}
.nav-drawer{
  position:fixed;top:0;left:0;bottom:0;width:84%;max-width:340px;z-index:90;
  background:var(--surface);border-right:1px solid var(--line);
  transform:translateX(-102%);transition:transform .28s cubic-bezier(.4,0,.2,1);
  display:flex;flex-direction:column;padding:18px 20px 24px;overflow-y:auto;
}
.nav-drawer.open{transform:translateX(0)}
.drawer-head{display:flex;align-items:center;justify-content:space-between;gap:12px;padding-bottom:16px;border-bottom:1px solid var(--line)}
.drawer-close{
  width:40px;height:40px;border-radius:11px;border:1px solid var(--line);background:#fff;
  cursor:pointer;display:inline-flex;align-items:center;justify-content:center;color:var(--brand-700);
}
.drawer-close:hover{background:var(--bg)}
.drawer-links{display:flex;flex-direction:column;margin-top:12px}
.drawer-link{
  padding:14px 4px;font-size:16px;font-weight:600;border-bottom:1px solid var(--line);
  display:flex;align-items:center;justify-content:space-between;color:var(--ink);
}
.drawer-link:last-child{border-bottom:0}
.drawer-link.active{color:var(--brand-700)}
.drawer-link i{color:var(--ink-soft);font-size:13px}
.drawer-cta{margin-top:auto;width:100%}

/* ---------- Typography helpers ---------- */
.cat-title{font-size:clamp(30px,4.4vw,50px);font-weight:800;color:var(--brand-900);letter-spacing:-.015em}
.lead{font-size:17px;color:var(--ink-soft);line-height:1.8}
.section-title{font-size:clamp(22px,2.6vw,30px);font-weight:700;color:var(--brand-900)}
.section-sub{font-size:15px;color:var(--ink-soft)}
.underline-lime{display:block;width:60px;height:3px;background:var(--lime);border-radius:3px;margin-top:14px}

.badge{
  display:inline-flex;align-items:center;gap:6px;padding:5px 12px;border-radius:999px;
  font-size:12px;font-weight:600;letter-spacing:.02em;
  background:rgba(18,135,106,.13);color:var(--brand-900);
}
.badge-lime{background:var(--lime);color:var(--ink)}

/* ---------- Cards ---------- */
.card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);
  box-shadow:var(--sh-1);transition:transform .18s ease,box-shadow .18s ease,border-color .18s ease;
  overflow:hidden;display:flex;flex-direction:column;height:100%;
}
.card:hover{transform:translateY(-2px);box-shadow:var(--sh-2);border-color:rgba(18,135,106,.45)}
.card-media{position:relative;aspect-ratio:16/10;overflow:hidden;background:var(--bg)}
.card-media img{width:100%;height:100%;object-fit:cover;transition:transform .35s ease}
.card:hover .card-media img{transform:scale(1.03)}
.card-body{padding:20px 22px 22px;display:flex;flex-direction:column;gap:10px;flex:1}
.card-body h3{font-size:19px;font-weight:600;color:var(--brand-900)}
.card-body p{font-size:15px;color:var(--ink-soft);line-height:1.75}
.card-foot{margin-top:auto;padding-top:14px;border-top:1px solid var(--line);display:flex;align-items:center;justify-content:space-between;gap:10px}

/* ---------- Checklist ---------- */
.check-list{display:grid;gap:14px}
.check-item{
  display:flex;gap:14px;background:var(--surface);border:1px solid var(--line);
  border-radius:14px;padding:16px 18px;box-shadow:var(--sh-1);transition:border-color .18s ease,transform .18s ease;
}
.check-item:hover{border-color:var(--brand-500);transform:translateY(-2px)}
.check-num{
  flex:0 0 34px;width:34px;height:34px;border-radius:10px;background:var(--brand-700);color:#fff;
  display:flex;align-items:center;justify-content:center;font-size:14px;font-weight:800;
  font-variant-numeric:tabular-nums;
}
.check-item h3{font-size:16px;font-weight:600;color:var(--brand-900);margin-bottom:4px}
.check-item p{font-size:14.5px;color:var(--ink-soft)}

/* ---------- Table ---------- */
.table-wrap{
  border:1px solid var(--line);border-radius:var(--r-card);overflow:hidden;background:var(--surface);
  box-shadow:var(--sh-1);overflow-x:auto;
}
.cmp-table{width:100%;border-collapse:collapse;min-width:720px;font-size:15px}
.cmp-table thead th{
  background:rgba(11,95,74,.10);color:var(--brand-900);font-weight:700;text-align:left;
  padding:15px 18px;font-size:14px;letter-spacing:.02em;white-space:nowrap;
}
.cmp-table tbody td{padding:15px 18px;border-top:1px solid var(--line);vertical-align:top;color:var(--ink);line-height:1.7}
.cmp-table tbody tr:nth-child(even){background:#FAFBFA}
.cmp-table tbody td:first-child{font-weight:600;color:var(--brand-700);white-space:nowrap}
.cmp-table tbody tr:hover{background:rgba(200,242,78,.14)}

/* ---------- FAQ ---------- */
.faq-wrap{background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);box-shadow:var(--sh-1);overflow:hidden}
.faq-item{border-bottom:1px solid var(--line)}
.faq-item:last-child{border-bottom:0}
.faq-item summary{
  list-style:none;cursor:pointer;padding:18px 22px;font-size:16px;font-weight:600;color:var(--brand-900);
  display:flex;align-items:center;justify-content:space-between;gap:16px;transition:background-color .18s ease;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary:hover{background:var(--bg)}
.faq-item summary .arrow{color:var(--brand-500);transition:transform .24s ease;font-size:14px}
.faq-item[open] summary .arrow{transform:rotate(180deg)}
.faq-item[open] summary{color:var(--brand-700)}
.faq-answer{padding:0 22px 20px;border-left:3px solid var(--accent);margin-left:22px;padding-left:18px}
.faq-answer p{font-size:15px;color:var(--ink-soft);line-height:1.85}

/* ---------- CTA band ---------- */
.cta-band{
  background:linear-gradient(135deg, rgba(11,95,74,.10), rgba(200,242,78,.20));
  border:1px solid var(--line);border-radius:var(--r-card);padding:28px 26px;
  display:flex;flex-wrap:wrap;align-items:center;gap:18px;justify-content:space-between;
}
.cta-band h3{font-size:19px;font-weight:700;color:var(--brand-900)}
.cta-band p{font-size:15px;color:var(--ink-soft);margin-top:4px}

/* ---------- Stat strip ---------- */
.stat-strip{
  display:grid;grid-template-columns:repeat(2,1fr);gap:18px;
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);
  padding:22px;box-shadow:var(--sh-1);
}
@media (min-width:768px){.stat-strip{grid-template-columns:repeat(4,1fr)}}
.stat-item{border-left:2px solid transparent;padding-left:14px;border-image:linear-gradient(var(--brand-500),var(--lime)) 1}
.stat-num{font-size:clamp(24px,3vw,34px);font-weight:800;color:var(--brand-700);font-variant-numeric:tabular-nums;line-height:1.2}
.stat-desc{font-size:13px;color:var(--ink-soft);margin-top:4px}

/* ---------- Footer ---------- */
.site-footer{background:var(--brand-900);color:rgba(255,255,255,.86);margin-top:0;padding:56px 0 0}
.footer-grid{display:grid;grid-template-columns:1fr;gap:34px;padding-bottom:40px}
@media (min-width:768px){.footer-grid{grid-template-columns:repeat(2,1fr)}}
@media (min-width:1024px){.footer-grid{grid-template-columns:1.4fr 1fr 1fr 1.2fr}}
.footer-brand{display:flex;align-items:center;gap:10px;font-size:17px;font-weight:800;color:#fff;margin-bottom:14px}
.footer-brand .brand-mark{width:34px;height:34px;border-radius:10px;background:rgba(255,255,255,.08)}
.site-footer p{font-size:14px;color:rgba(255,255,255,.62);line-height:1.85}
.site-footer h4{font-size:15px;font-weight:700;color:#fff;margin-bottom:14px}
.footer-links{display:flex;flex-direction:column;gap:10px}
.footer-links a{font-size:14px;color:rgba(255,255,255,.7);transition:color .18s ease,transform .18s ease;display:inline-block}
.footer-links a:hover{color:var(--lime);transform:translateX(3px)}
.footer-social{display:flex;gap:10px;margin-top:16px}
.footer-social a{
  width:38px;height:38px;border-radius:999px;border:1px solid rgba(255,255,255,.22);
  display:inline-flex;align-items:center;justify-content:center;color:rgba(255,255,255,.8);
  transition:border-color .18s ease,color .18s ease,background-color .18s ease;
}
.footer-social a:hover{border-color:var(--lime);color:var(--lime);background:rgba(200,242,78,.08)}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.14);padding:18px 0 26px;
  display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;
  font-size:12px;color:rgba(255,255,255,.52);
}
.footer-bottom a{color:rgba(255,255,255,.62);transition:color .18s ease}
.footer-bottom a:hover{color:var(--lime)}

/* ---------- Motion ---------- */
.reveal{opacity:0;transform:translateY(14px);transition:opacity .5s ease,transform .5s ease}
.reveal.in{opacity:1;transform:translateY(0)}
@media (prefers-reduced-motion:reduce){
  .reveal{opacity:1;transform:none;transition:none}
  html{scroll-behavior:auto}
}

/* roulang page: category3 */
:root{
  --brand-900:#07332A;
  --brand-700:#0B5F4A;
  --brand-500:#12876A;
  --accent:#FF6A2C;
  --lime:#C8F24E;
  --bg:#F5F7F4;
  --surface:#FFFFFF;
  --line:#E2E8E3;
  --ink:#101A18;
  --ink-soft:#5C6B67;
  --sh-1:0 1px 2px rgba(16,26,24,.05);
  --sh-2:0 10px 30px -12px rgba(11,95,74,.25);
  --r-card:16px;
  --r-btn:12px;
  --r-input:10px;
  --maxw:1200px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:system-ui,"PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif;
  font-size:16px;
  line-height:1.75;
  color:var(--ink);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{display:block;max-width:100%;height:auto}
a{color:inherit;text-decoration:none}
ul{margin:0;padding:0;list-style:none}
button{font:inherit;cursor:pointer;border:0;background:none}
input,select,textarea{font:inherit;color:inherit}
::selection{background:rgba(200,242,78,.55);color:var(--ink)}

body .container{width:100%;max-width:var(--maxw);margin:0 auto;padding-left:16px;padding-right:16px}
@media (min-width:768px){ body .container{padding-left:24px;padding-right:24px} }

/* ---------- header / nav ---------- */
.site-header{
  position:sticky;top:0;z-index:80;
  background:rgba(255,255,255,.94);
  backdrop-filter:saturate(150%) blur(8px);
  border-bottom:1px solid var(--line);
  transition:box-shadow .2s ease;
}
.site-header.is-scrolled{box-shadow:var(--sh-1)}
.nav-main{width:100%}
.nav-inner{display:flex;align-items:center;gap:18px;min-height:72px}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.brand-mark{
  width:36px;height:36px;border-radius:999px;background:var(--brand-900);
  display:grid;place-items:center;flex:0 0 auto;
  box-shadow:inset 0 0 0 1px rgba(200,242,78,.25);
}
.brand-mark svg{width:22px;height:22px}
.brand-text{font-size:18px;font-weight:800;letter-spacing:-.01em;color:var(--ink);white-space:nowrap}
.nav-links{display:flex;align-items:center;gap:2px;margin-left:auto}
.nav-link{
  position:relative;display:inline-block;padding:10px 11px;
  font-size:15px;font-weight:600;color:#2A3733;border-radius:8px;
  transition:color .18s ease;
}
.nav-link::after{
  content:"";position:absolute;left:11px;right:11px;bottom:5px;height:2px;
  background:var(--brand-500);transform:scaleX(0);transform-origin:left;
  transition:transform .22s ease;
}
.nav-link:hover{color:var(--brand-700)}
.nav-link:hover::after{transform:scaleX(1)}
.nav-link.active{color:var(--brand-700)}
.nav-link.active::after{transform:scaleX(1)}
.nav-actions{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.nav-toggle{
  display:none;width:44px;height:44px;border:1px solid var(--line);
  border-radius:10px;background:#fff;place-items:center;
}
.nav-toggle:hover{background:var(--bg)}
.nav-drawer-cta{display:none}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:46px;padding:0 22px;border-radius:var(--r-btn);
  font-size:15px;font-weight:700;border:1px solid transparent;
  transition:transform .18s ease,box-shadow .18s ease,background .18s ease,filter .18s ease,color .18s ease;
  white-space:nowrap;
}
.btn:hover{transform:translateY(-1px);box-shadow:var(--sh-2)}
.btn:active{transform:translateY(0);box-shadow:var(--sh-1)}
.btn:focus-visible{outline:2px solid var(--accent);outline-offset:2px}
.btn-primary{background:var(--accent);color:#fff;box-shadow:0 6px 16px -8px rgba(255,106,44,.8)}
.btn-primary:hover{filter:brightness(1.03)}
.btn-outline{border-color:var(--brand-700);color:var(--brand-700);background:#fff}
.btn-outline:hover{background:rgba(18,135,106,.08)}
.btn-ghost{background:transparent}
.btn-sm{height:42px;padding:0 18px;font-size:14px}
.btn-light{border-color:rgba(255,255,255,.55);color:#fff;background:rgba(255,255,255,.04)}
.btn-light:hover{background:rgba(255,255,255,.14);color:#fff}
.btn-block{width:100%}
.btn[disabled],.btn.is-disabled{opacity:.45;cursor:not-allowed;transform:none;box-shadow:none}

/* ---------- shared ---------- */
.section{padding:56px 0}
@media (min-width:768px){ .section{padding:80px 0} }
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  padding:5px 14px;border-radius:999px;
  background:rgba(18,135,106,.12);color:var(--brand-900);
  font-size:12px;font-weight:700;letter-spacing:.02em;
}
.sec-title{font-size:26px;font-weight:800;letter-spacing:-.01em;margin:0}
@media (min-width:768px){ .sec-title{font-size:32px} }
.sec-sub{margin:12px 0 0;color:var(--ink-soft);font-size:15px;max-width:640px}
.sec-head{margin-bottom:28px}
.link-arrow{
  display:inline-flex;align-items:center;gap:6px;
  color:var(--brand-700);font-weight:700;font-size:14px;transition:gap .18s ease,color .18s ease;
}
.link-arrow i{font-size:12px;transition:transform .18s ease}
.link-arrow:hover{gap:10px}
.link-arrow:hover i{transform:translateX(2px)}

/* ---------- hero ---------- */
.cat-hero{
  position:relative;color:#fff;overflow:hidden;
  background-image:linear-gradient(112deg,rgba(7,51,42,.96) 0%,rgba(11,95,74,.86) 62%,rgba(18,135,106,.78) 100%),
    url('/assets/images/backpic/back-2.webp');
  background-size:cover;background-position:center;
}
.cat-hero::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background:repeating-linear-gradient(115deg,rgba(255,255,255,.05) 0 2px,transparent 2px 16px);
  opacity:.5;
}
.cat-hero-inner{
  position:relative;z-index:1;
  display:grid;grid-template-columns:1fr;gap:28px;
  padding:48px 0 56px;
}
@media (min-width:1024px){
  .cat-hero-inner{grid-template-columns:1.05fr .95fr;gap:48px;align-items:center;padding:56px 0 72px}
}
.hero-badge{
  display:inline-flex;align-items:center;gap:8px;
  padding:5px 14px;border-radius:999px;
  background:rgba(200,242,78,.16);border:1px solid rgba(200,242,78,.4);
  color:var(--lime);font-size:12px;font-weight:700;
}
.hero-title{
  margin:18px 0 0;color:#fff;
  font-size:clamp(30px,4.4vw,50px);font-weight:800;line-height:1.16;letter-spacing:-.01em;
}
.hero-lead{margin:16px 0 0;font-size:16px;line-height:1.8;color:rgba(255,255,255,.84);max-width:560px}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:26px}
.hero-facts{display:flex;flex-wrap:wrap;gap:10px 22px;margin-top:26px;padding:0}
.hero-facts li{
  position:relative;font-size:13px;font-weight:600;color:rgba(255,255,255,.78);
  padding-left:16px;
}
.hero-facts li::before{
  content:"";position:absolute;left:0;top:9px;width:6px;height:6px;border-radius:999px;background:var(--lime);
}
.hero-media{position:relative}
.hero-media img{
  width:100%;aspect-ratio:16/10;object-fit:cover;
  border-radius:var(--r-card);border:1px solid rgba(255,255,255,.22);
  box-shadow:0 24px 50px -24px rgba(0,0,0,.7);
}
.hero-float{
  position:absolute;left:16px;right:16px;bottom:-22px;
  background:#fff;border-radius:14px;border:1px solid var(--line);
  box-shadow:var(--sh-2);padding:14px 16px;
  display:grid;grid-template-columns:repeat(3,1fr);gap:10px;
}
@media (min-width:640px){ .hero-float{left:auto;right:18px;width:300px} }
.hero-float .num{
  font-size:20px;font-weight:800;color:var(--brand-700);
  font-variant-numeric:tabular-nums;line-height:1.2;
  display:block;
}
.hero-float .lbl{font-size:12px;color:var(--ink-soft);line-height:1.5;display:block;margin-top:2px}

/* ---------- quick strip ---------- */
.quick-strip{margin-top:40px}
.quick-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-card);
  box-shadow:var(--sh-1);overflow:hidden;
}
.quick-grid{display:grid;grid-template-columns:1fr}
@media (min-width:768px){ .quick-grid{grid-template-columns:repeat(3,1fr)} }
.quick-item{
  display:flex;align-items:flex-start;gap:14px;padding:20px 22px;
  border-bottom:1px solid var(--line);transition:background .18s ease;
}
@media (min-width:768px){
  .quick-item{border-bottom:0;border-right:1px solid var(--line)}
  .quick-item:last-child{border-right:0}
}
.quick-item:hover{background:var(--bg)}
.quick-ico{
  width:42px;height:42px;border-radius:12px;flex:0 0 auto;
  background:rgba(18,135,106,.1);color:var(--brand-700);
  display:grid;place-items:center;transition:background .18s ease,color .18s ease;
}
.quick-item:hover .quick-ico{background:var(--brand-700);color:#fff}
.quick-item h3{margin:0;font-size:16px;font-weight:700}
.quick-item p{margin:4px 0 0;font-size:14px;color:var(--ink-soft);line-height:1.7}

/* ---------- timeline ---------- */
.timeline{position:relative;margin-top:8px}
.tl-item{position:relative;display:grid;grid-template-columns:52px 1fr;gap:16px;padding-bottom:22px}
.tl-item::before{
  content:"";position:absolute;left:25px;top:56px;bottom:-4px;width:2px;
  background:linear-gradient(to bottom,rgba(18,135,106,.45),rgba(226,232,227,.9));
}
.tl-item:last-child{padding-bottom:0}
.tl-item:last-child::before{display:none}
.tl-dot{
  width:52px;height:52px;border-radius:999px;background:#fff;
  border:1px solid var(--line);box-shadow:var(--sh-1);
  display:grid;place-items:center;position:relative;z-index:1;
  font-weight:800;font-size:16px;color:var(--brand-700);
  font-variant-numeric:tabular-nums;
}
.tl-item.is-key .tl-dot{border-color:rgba(255,106,44,.55);color:var(--accent)}
.tl-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-card);
  padding:20px 22px;box-shadow:var(--sh-1);
  transition:transform .18s ease,box-shadow .18s ease,border-color .18s ease;
}
.tl-card:hover{transform:translateY(-2px);box-shadow:var(--sh-2);border-color:var(--brand-500)}
.tl-card h3{margin:0;font-size:18px;font-weight:700}
.tl-card p{margin:8px 0 0;font-size:15px;color:var(--ink-soft);line-height:1.75}
.tl-foot{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:10px;margin-top:14px}
.tag{
  display:inline-flex;align-items:center;padding:3px 11px;border-radius:999px;
  background:rgba(18,135,106,.12);color:var(--brand-900);
  font-size:12px;font-weight:700;letter-spacing:.01em;
}
.tag-lime{background:rgba(200,242,78,.55);color:#22331B}

/* ---------- env rows ---------- */
.env-list{display:flex;flex-direction:column;gap:14px}
.env-row{
  display:grid;grid-template-columns:1fr;gap:12px;
  background:#fff;border:1px solid var(--line);border-left:3px solid var(--brand-500);
  border-radius:14px;padding:18px 22px;box-shadow:var(--sh-1);
  transition:transform .18s ease,box-shadow .18s ease,border-color .18s ease;;
}
@media (min-width:900px){
  .env-row{grid-template-columns:230px 1fr auto;align-items:center;gap:24px}
}
.env-row:hover{transform:translateY(-2px);box-shadow:var(--sh-2);border-color:var(--brand-700);border-left-color:var(--brand-700)}
.env-row h3{margin:0;font-size:17px;font-weight:700;display:flex;align-items:center;gap:10px}
.env-row h3 i{color:var(--brand-700);font-size:16px}
.env-row p{margin:0;font-size:15px;color:var(--ink-soft);line-height:1.75}
.env-row .tag{justify-self:start}

/* ---------- stats ---------- */
.stats-band{
  background:var(--brand-900);border-radius:20px;color:#fff;
  padding:28px 24px;display:grid;grid-template-columns:repeat(2,1fr);gap:22px;
}
@media (min-width:900px){ .stats-band{grid-template-columns:repeat(4,1fr);padding:32px 30px} }
.stat .num{
  display:block;font-size:30px;font-weight:800;color:var(--lime);
  font-variant-numeric:tabular-nums;line-height:1.15;
}
.stat .lbl{display:block;margin-top:6px;font-size:13px;color:rgba(255,255,255,.72);line-height:1.6}
@media (min-width:900px){
  .stat{position:relative;padding-left:24px}
  .stat:first-child{padding-left:0}
  .stat:not(:first-child)::before{
    content:"";position:absolute;left:0;top:6px;bottom:6px;width:1px;background:rgba(255,255,255,.16);
  }
}

/* ---------- checklist ---------- */
.check-layout{display:grid;grid-template-columns:1fr;gap:20px}
@media (min-width:1024px){ .check-layout{grid-template-columns:1.4fr .8fr;gap:24px;align-items:start} }
.check-panel{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-card);
  box-shadow:var(--sh-1);padding:8px 22px;
}
.check-item{
  display:flex;align-items:flex-start;gap:14px;padding:16px 0;border-bottom:1px solid var(--line);
}
.check-item:last-child{border-bottom:0}
.check-box{
  width:24px;height:24px;border-radius:8px;flex:0 0 auto;margin-top:2px;
  border:1px solid rgba(18,135,106,.5);background:rgba(18,135,106,.1);
  display:grid;place-items:center;color:var(--brand-700);font-size:12px;
}
.check-item h3{margin:0;font-size:16px;font-weight:700}
.check-item p{margin:4px 0 0;font-size:14px;color:var(--ink-soft);line-height:1.7}
.side-card{
  background:linear-gradient(160deg,rgba(200,242,78,.22),rgba(18,135,106,.1));
  border:1px solid rgba(11,95,74,.16);border-radius:var(--r-card);
  padding:22px;box-shadow:var(--sh-1);
}
.side-card h3{margin:0;font-size:18px;font-weight:700}
.side-card p{margin:10px 0 0;font-size:14px;color:#2F423C;line-height:1.8}
.side-card .link-arrow{margin-top:14px}

/* ---------- pager ---------- */
.pager{
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:14px;
  margin-top:28px;padding-top:20px;border-top:1px solid var(--line);
}
.pager-note{font-size:13px;color:var(--ink-soft)}
.pager-btns{display:flex;gap:8px}
.page-btn{
  width:36px;height:36px;border-radius:10px;border:1px solid var(--line);background:#fff;
  display:grid;place-items:center;font-size:14px;font-weight:700;color:var(--ink-soft);
  user-select:none;
}
.page-btn.current{background:var(--brand-700);border-color:var(--brand-700);color:#fff}
.page-btn.muted{opacity:.6}

/* ---------- cta band ---------- */
.cta-band{
  background:#fff;border:1px solid var(--line);border-radius:20px;
  box-shadow:var(--sh-1);padding:24px 26px;
  display:flex;flex-direction:column;gap:18px;
}
@media (min-width:900px){
  .cta-band{flex-direction:row;align-items:center;justify-content:space-between;padding:28px 32px;gap:32px}
}
.cta-band h2{margin:0;font-size:22px;font-weight:800;letter-spacing:-.01em}
@media (min-width:768px){ .cta-band h2{font-size:26px} }
.cta-band p{margin:8px 0 0;font-size:14px;color:var(--ink-soft);max-width:620px}
.cta-band .actions{display:flex;flex-wrap:wrap;gap:12px;flex:0 0 auto}

/* ---------- footer ---------- */
.site-footer{
  background:var(--brand-900);color:#D7E3DF;
  margin-top:64px;padding-top:56px;
}
.footer-grid{display:grid;grid-template-columns:1fr;gap:32px}
@media (min-width:768px){ .footer-grid{grid-template-columns:repeat(2,1fr)} }
@media (min-width:1024px){ .footer-grid{grid-template-columns:1.5fr 1fr 1fr 1.2fr} }
.footer-brand{display:flex;align-items:center;gap:10px;font-size:17px;font-weight:800;color:#fff}
.site-footer p{margin:14px 0 0;font-size:14px;line-height:1.85;color:#B9C9C4}
.site-footer h4{font-size:15px;font-weight:700;color:#fff;margin:0 0 16px}
.footer-links{display:flex;flex-direction:column;gap:10px}
.footer-links a{font-size:14px;color:#B9C9C4;transition:color .16s ease,transform .16s ease}
.footer-links a:hover{color:var(--lime)}
.footer-social{display:flex;gap:10px;margin-top:18px}
.footer-social a{
  width:36px;height:36px;border-radius:999px;border:1px solid rgba(255,255,255,.22);
  display:grid;place-items:center;color:#D7E3DF;font-size:14px;
  transition:background .18s ease,color .18s ease,border-color .18s ease;
}
.footer-social a:hover{background:rgba(200,242,78,.16);border-color:rgba(200,242,78,.5);color:var(--lime)}
.footer-social a:focus-visible{outline:2px solid var(--lime);outline-offset:2px}
.footer-bottom{
  margin-top:40px;padding:18px 0 28px;border-top:1px solid rgba(255,255,255,.14);
  display:flex;flex-wrap:wrap;justify-content:space-between;gap:10px;
  font-size:12px;color:#9FB3AD;
}
.footer-bottom a{color:#9FB3AD;transition:color .16s ease}
.footer-bottom a:hover{color:var(--lime)}

/* ---------- mobile nav ---------- */
@media (max-width:1023px){
  .nav-links{
    position:fixed;top:0;left:0;bottom:0;width:288px;max-width:86vw;
    background:#fff;flex-direction:column;align-items:stretch;gap:2px;
    margin:0;padding:84px 18px 28px;
    transform:translateX(-104%);transition:transform .26s ease;
    z-index:90;box-shadow:0 24px 48px rgba(7,51,42,.22);overflow-y:auto;
  }
  .nav-links.open{transform:translateX(0)}
  .nav-link{display:block;padding:13px 12px;font-size:16px;border-bottom:1px solid var(--line);border-radius:0}
  .nav-link::after{display:none}
  .nav-link.active{color:var(--brand-700)}
  .nav-toggle{display:grid}
  .nav-actions .btn-ghost{display:none}
  .nav-drawer-cta{display:inline-flex;width:100%;margin-top:20px;height:48px}
}
@media (max-width:600px){
  .brand-text{font-size:16px}
  .nav-actions .btn-primary{display:none}
  .hero-float{position:static;margin-top:16px;width:100%;left:auto;right:auto;bottom:auto}
  .hero-media img{aspect-ratio:16/11}
  .section{padding:44px 0}
  .footer-bottom{flex-direction:column}
}
@media (prefers-reduced-motion:reduce){
  *{transition:none !important;animation:none !important}
  html{scroll-behavior:auto}
}

/* roulang page: category4 */
:root{
  --brand-900:#07332A;
  --brand-700:#0B5F4A;
  --brand-500:#12876A;
  --accent:#FF6A2C;
  --lime:#C8F24E;
  --bg:#F5F7F4;
  --surface:#FFFFFF;
  --line:#E2E8E3;
  --ink:#101A18;
  --ink-soft:#5C6B67;
  --sh-1:0 1px 2px rgba(16,26,24,.05);
  --sh-2:0 10px 30px -12px rgba(11,95,74,.25);
  --r-card:16px;
  --r-btn:12px;
  --r-input:10px;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:system-ui,"PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif;
  background:var(--bg);
  color:var(--ink);
  font-size:16px;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4,p{margin:0}
button{font:inherit;cursor:pointer;border:0;background:none;color:inherit}
input,select,textarea{font:inherit}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 16px}
@media (min-width:768px){.container{padding:0 24px}}
.num{font-variant-numeric:tabular-nums;font-weight:800}

/* ============ header / nav ============ */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(255,255,255,.94);
  -webkit-backdrop-filter:blur(10px);
  backdrop-filter:blur(10px);
  border-bottom:1px solid var(--line);
  transition:box-shadow .2s ease;
}
.site-header.is-scrolled{box-shadow:var(--sh-1)}
.nav-inner{display:flex;align-items:center;justify-content:space-between;gap:16px;height:72px}
.brand{display:flex;align-items:center;gap:10px;flex:none}
.brand-mark{
  width:36px;height:36px;flex:none;border-radius:50%;
  background:var(--brand-900);display:grid;place-items:center;
}
.brand-mark svg{width:22px;height:22px}
.brand-text{font-size:18px;font-weight:800;letter-spacing:-.01em;color:var(--brand-900);white-space:nowrap}
.nav-links{display:none}
.nav-link{position:relative;font-size:15px;font-weight:600;color:var(--ink);padding:6px 0;transition:color .18s ease}
.nav-link::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:2px;
  background:var(--brand-500);transform:scaleX(0);transform-origin:left;
  transition:transform .22s ease;
}
.nav-link:hover{color:var(--brand-700)}
.nav-link:hover::after{transform:scaleX(1)}
.nav-link.active{color:var(--brand-700)}
.nav-link.active::after{transform:scaleX(1)}
.nav-actions{display:flex;align-items:center;gap:10px}
.nav-toggle{
  display:none;width:44px;height:44px;place-items:center;
  border:1px solid var(--line);border-radius:12px;background:#fff;
  transition:border-color .18s ease,background .18s ease;
}
.nav-toggle:hover{border-color:var(--brand-500);background:#F2F7F4}

/* buttons */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:46px;padding:0 22px;border-radius:var(--r-btn);
  font-size:15px;font-weight:700;white-space:nowrap;
  border:1px solid transparent;cursor:pointer;
  transition:transform .18s ease,box-shadow .18s ease,background .18s ease,color .18s ease,filter .18s ease;
}
.btn-primary{background:var(--accent);color:#fff;border-radius:999px;box-shadow:0 6px 18px -8px rgba(255,106,44,.75)}
.btn-primary:hover{transform:translateY(-1px);box-shadow:var(--sh-2);filter:brightness(1.03)}
.btn-primary:active{transform:translateY(0)}
.btn-outline{border-color:var(--brand-700);color:var(--brand-700);background:transparent}
.btn-outline:hover{background:rgba(11,95,74,.08);transform:translateY(-1px)}
.btn-outline:active{transform:translateY(0)}
.btn-lime{background:var(--lime);color:var(--ink);border-radius:999px}
.btn-lime:hover{transform:translateY(-1px);box-shadow:var(--sh-2)}
.btn-sm{height:42px;font-size:14px;padding:0 18px}
.btn[disabled]{opacity:.45;cursor:not-allowed}
.link-more{
  display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:700;
  color:var(--brand-700);transition:transform .18s ease,color .18s ease;
}
.link-more:hover{transform:translateX(2px);color:var(--brand-500)}

/* badges */
.badge{
  display:inline-flex;align-items:center;gap:6px;
  padding:5px 12px;border-radius:999px;
  font-size:12px;font-weight:600;line-height:1.5;
  background:rgba(18,135,106,.15);color:var(--brand-900);
}
.badge-lime{background:var(--lime);color:var(--ink)}
.badge-line{background:#fff;border:1px solid var(--line);color:var(--ink-soft)}

/* hero */
.hero{
  position:relative;overflow:hidden;
  background:linear-gradient(180deg,#EFF4F1 0%,var(--bg) 100%);
  border-bottom:1px solid var(--line);
  padding:32px 0 48px;
}
.hero::before{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:repeating-linear-gradient(115deg,rgba(11,95,74,.05) 0 1px,transparent 1px 14px);
}
.hero > .container{position:relative;z-index:1}
.crumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--ink-soft);margin-bottom:18px}
.crumb a{color:var(--ink-soft);transition:color .18s ease}
.crumb a:hover{color:var(--brand-700)}
.crumb .sep{opacity:.6}
.crumb .now{color:var(--brand-700);font-weight:600}
.hero-grid{display:grid;gap:32px}
@media (min-width:1024px){
  .hero-grid{grid-template-columns:1.05fr .95fr;align-items:center;gap:48px}
}
h1{
  font-size:clamp(28px,4.2vw,52px);
  line-height:1.15;
  font-weight:800;
  letter-spacing:-.01em;
  color:var(--brand-900);
  margin:16px 0 14px;
}
.hero-lead{font-size:16px;color:var(--ink-soft);max-width:560px;line-height:1.8}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:24px}
.hero-stats{
  display:flex;flex-wrap:wrap;gap:18px 28px;margin-top:28px;
  padding-top:20px;border-top:1px solid var(--line);
}
.stat-mini{display:flex;flex-direction:column;gap:2px}
.stat-mini .v{font-size:24px;color:var(--brand-700);line-height:1.2}
.stat-mini .k{font-size:13px;color:var(--ink-soft)}
.hero-media{position:relative}
.hero-media img{
  width:100%;height:280px;object-fit:cover;
  border-radius:18px;border:1px solid var(--line);box-shadow:var(--sh-2);
}
@media (min-width:768px){.hero-media img{height:360px}}
.float-card{
  position:absolute;right:14px;bottom:-18px;
  background:#fff;border:1px solid var(--line);border-radius:14px;
  box-shadow:var(--sh-2);padding:14px 16px;min-width:180px;
}
.float-card .t{font-size:12px;color:var(--ink-soft);margin-bottom:8px}
.float-card .r{display:flex;justify-content:space-between;gap:14px;font-size:13px;padding:3px 0}
.float-card .r b{color:var(--brand-700);font-variant-numeric:tabular-nums}

/* sections */
.section{padding:56px 0}
@media (min-width:768px){.section{padding:88px 0}}
.section-tight{padding:44px 0}
@media (min-width:768px){.section-tight{padding:64px 0}}
.section-head{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:14px;margin-bottom:28px}
h2{font-size:clamp(24px,3vw,32px);font-weight:700;color:var(--brand-900);letter-spacing:-.01em;line-height:1.3}
.section-desc{font-size:15px;color:var(--ink-soft);margin-top:8px;max-width:620px}
.full-band{background:#fff;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}

/* filter pills */
.filters{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:22px}
.pill{
  padding:8px 16px;border-radius:999px;font-size:14px;font-weight:600;
  border:1px solid var(--line);background:#fff;color:var(--ink-soft);
  transition:background .18s ease,color .18s ease,border-color .18s ease,transform .18s ease;
}
.pill:hover{border-color:var(--brand-500);color:var(--brand-700);transform:translateY(-1px)}
.pill.is-active{background:var(--brand-700);border-color:var(--brand-700);color:#fff}

/* row list */
.row-list{display:flex;flex-direction:column;gap:12px}
.row-item{
  display:grid;grid-template-columns:1fr;gap:6px;
  padding:16px 18px;background:#fff;border:1px solid var(--line);
  border-radius:14px;box-shadow:var(--sh-1);
  transition:transform .18s ease,box-shadow .18s ease,border-color .18s ease;
}
@media (min-width:768px){
  .row-item{
    grid-template-columns:minmax(0,270px) minmax(0,1fr) auto;
    align-items:center;gap:22px;padding:16px 20px;
  }
}
.row-item:hover{transform:translateY(-2px);border-color:var(--brand-500);box-shadow:var(--sh-2)}
.row-item h3{font-size:16px;font-weight:600;color:var(--brand-900);line-height:1.5}
.row-item .sum{
  font-size:14px;color:var(--ink-soft);
  overflow:hidden;text-overflow:ellipsis;white-space:nowrap;
}
@media (max-width:767px){.row-item .sum{white-space:normal}}
.row-item .time{font-size:13px;color:var(--ink-soft);font-variant-numeric:tabular-nums;white-space:nowrap}
.list-foot{display:flex;justify-content:center;margin-top:26px}

/* dark band steps */
.dark-band{
  background-color:var(--brand-900);
  background-image:linear-gradient(rgba(7,51,42,.93),rgba(7,51,42,.97)),url(/assets/images/backpic/back-2.webp);
  background-size:cover;background-position:center;
  color:#fff;
}
.dark-band h2{color:#fff}
.dark-band .section-desc{color:rgba(255,255,255,.7)}
.steps{display:grid;gap:22px;margin-top:8px}
@media (min-width:768px){.steps{grid-template-columns:repeat(3,1fr);gap:26px}}
.step{position:relative;padding-top:6px}
.step .idx{
  width:38px;height:38px;border-radius:50%;display:grid;place-items:center;
  background:rgba(200,242,78,.14);border:1px solid rgba(200,242,78,.5);
  color:var(--lime);font-weight:800;font-size:15px;font-variant-numeric:tabular-nums;
}
.step h3{font-size:18px;font-weight:600;margin:14px 0 8px;color:#fff}
.step p{font-size:14px;color:rgba(255,255,255,.72);line-height:1.75}
.step::after{
  content:"";position:absolute;left:52px;top:25px;right:12px;
  border-top:1px dashed rgba(255,255,255,.22);
}
@media (max-width:767px){
  .step::after{left:20px;top:46px;right:auto;bottom:6px;border-top:0;border-left:1px dashed rgba(255,255,255,.22)}
  .step{padding-left:0}
}

/* FAQ */
.faq{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-card);
  box-shadow:var(--sh-1);overflow:hidden;
}
.faq details{border-bottom:1px solid var(--line)}
.faq details:last-child{border-bottom:0}
.faq summary{
  position:relative;list-style:none;cursor:pointer;
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:18px 20px 18px 24px;font-size:16px;font-weight:600;color:var(--ink);
  transition:background .18s ease,color .18s ease;
}
.faq summary::-webkit-details-marker{display:none}
.faq summary::before{
  content:"";position:absolute;left:0;top:0;bottom:0;width:3px;background:var(--accent);
  transform:scaleY(0);transform-origin:top;transition:transform .2s ease;
}
.faq details[open] summary::before{transform:scaleY(1)}
.faq summary:hover{background:#F3F7F4}
.faq details[open] summary{color:var(--brand-700)}
.faq summary .chev{flex:none;color:var(--brand-500);transition:transform .2s ease;font-size:13px}
.faq details[open] summary .chev{transform:rotate(180deg)}
.faq .answer{
  padding:0 22px 20px 24px;font-size:15px;line-height:1.85;color:var(--ink-soft);
}
.faq .answer p{margin:0}

/* support cards */
.help-grid{display:grid;gap:20px}
@media (min-width:768px){.help-grid{grid-template-columns:repeat(3,1fr)}}
.card{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-card);
  box-shadow:var(--sh-1);padding:22px;
  transition:transform .18s ease,box-shadow .18s ease,border-color .18s ease;
}
.card:hover{transform:translateY(-2px);box-shadow:var(--sh-2);border-color:rgba(18,135,106,.45)}
.card .ico{
  width:42px;height:42px;border-radius:12px;background:rgba(11,95,74,.1);
  display:grid;place-items:center;color:var(--brand-700);font-size:17px;margin-bottom:14px;
}
.card h3{font-size:17px;font-weight:600;color:var(--brand-900);margin-bottom:8px}
.card p{font-size:14px;color:var(--ink-soft);line-height:1.8}
.card .foot{margin-top:16px;padding-top:14px;border-top:1px solid var(--line);font-size:13px;color:var(--ink-soft)}

/* CTA strip */
.cta-strip{
  background:linear-gradient(120deg,#E9F2EE 0%,#F4F8F5 100%);
  border:1px solid var(--line);border-radius:20px;
  padding:26px 24px;
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:18px;
}
.cta-strip h2{font-size:22px}
.cta-strip p{font-size:14px;color:var(--ink-soft);margin-top:6px;max-width:640px}

/* footer */
.site-footer{
  background:var(--brand-900);color:rgba(255,255,255,.78);
  padding:56px 0 0;margin-top:8px;
}
.footer-grid{display:grid;gap:32px;grid-template-columns:1fr}
@media (min-width:768px){.footer-grid{grid-template-columns:1fr 1fr}}
@media (min-width:1024px){.footer-grid{grid-template-columns:1.3fr 1fr 1fr 1.2fr;gap:40px}}
.footer-brand{display:flex;align-items:center;gap:10px;color:#fff;font-weight:800;font-size:18px;margin-bottom:14px}
.footer-brand .brand-mark{background:rgba(255,255,255,.12)}
.site-footer p{font-size:14px;line-height:1.85;color:rgba(255,255,255,.68)}
.site-footer h4{font-size:15px;font-weight:700;color:#fff;margin-bottom:14px}
.footer-links{display:flex;flex-direction:column;gap:2px}
.footer-links a{
  font-size:14px;color:rgba(255,255,255,.72);padding:5px 0;
  transition:color .18s ease,transform .18s ease;
}
.footer-links a:hover{color:#fff;transform:translateX(2px)}
.footer-social{display:flex;gap:10px;margin-top:18px}
.footer-social a{
  width:36px;height:36px;border-radius:50%;display:grid;place-items:center;
  border:1px solid rgba(255,255,255,.25);color:rgba(255,255,255,.8);font-size:14px;
  transition:border-color .18s ease,color .18s ease,transform .18s ease;
}
.footer-social a:hover{border-color:var(--lime);color:var(--lime);transform:translateY(-2px)}
.footer-bottom{
  margin-top:40px;padding:18px 0 24px;
  border-top:1px solid rgba(255,255,255,.14);
  display:flex;flex-wrap:wrap;gap:10px 18px;justify-content:space-between;
  font-size:12px;color:rgba(255,255,255,.55);
}
.footer-bottom a{color:rgba(255,255,255,.72)}
.footer-bottom a:hover{color:#fff}

/* mobile drawer */
@media (max-width:1023px){
  .nav-links{
    position:fixed;top:72px;left:0;right:0;z-index:55;
    display:none;flex-direction:column;gap:0;
    background:#fff;border-bottom:1px solid var(--line);
    box-shadow:var(--sh-2);padding:10px 16px 18px;
  }
  .nav-links.is-open{display:flex}
  .nav-link{display:block;padding:13px 2px;border-bottom:1px solid var(--line)}
  .nav-links li:last-child .nav-link{border-bottom:0}
  .nav-link::after{display:none}
  .nav-toggle{display:grid}
  .nav-actions .btn-ghost{display:none}
  .brand-text{font-size:16px;max-width:172px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
}
@media (min-width:1024px){
  .nav-links{display:flex;align-items:center;gap:26px}
  .nav-toggle{display:none}
}
@media (max-width:520px){
  .hero-media img{height:220px}
  .float-card{position:static;margin-top:14px;box-shadow:var(--sh-1)}
  .cta-strip{padding:20px 18px}
  .btn{width:100%}
  .hero-actions .btn,.cta-strip .btn{width:100%}
}