/* roulang page: index */
:root{
  --brand-900:#0A3D35;
  --brand-700:#12564A;
  --brand-600:#125E52;
  --brand-500:#1B7A69;
  --brand-100:#DCEAE5;
  --accent-600:#C9542A;
  --accent-500:#E5703C;
  --accent-100:#FDE7DC;
  --gold-500:#E8B04B;
  --bg:#F6F3EC;
  --surface:#FFFFFF;
  --surface-2:#EFEAE0;
  --ink:#17201E;
  --ink-2:#4A5754;
  --ink-3:#8A928E;
  --line:#E2DCD0;
  --ok:#2F8F5B;
  --warn:#D9534F;
  --r-sm:8px;
  --r-md:14px;
  --r-lg:22px;
  --pill:999px;
  --shadow-card:0 1px 2px rgba(23,32,30,.04), 0 8px 24px -16px rgba(23,32,30,.18);
  --shadow-hover:0 2px 4px rgba(23,32,30,.05), 0 20px 38px -20px rgba(23,32,30,.30);
}
*{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,sans-serif;
  font-size:16px;
  line-height:1.85;
  color:var(--ink);
  background-color:var(--bg);
  background-image:repeating-linear-gradient(135deg, rgba(10,61,53,.018) 0 1px, rgba(10,61,53,0) 1px 9px);
  overflow-x:hidden;
}
body.no-scroll{overflow:hidden;}
img{max-width:100%;display:block;}
a{color:var(--brand-600);text-decoration:none;transition:color .2s ease;}
a:hover{color:var(--accent-600);}
h1,h2,h3,h4,p,ul,ol,figure{margin:0;}
ul{padding-left:0;list-style:none;}
button{font-family:inherit;}
:focus-visible{outline:2px solid var(--accent-500);outline-offset:2px;}
.container{max-width:1200px;padding-left:20px;padding-right:20px;}

/* ============ 顶部活动条 ============ */
.topbar{
  background:var(--accent-100);
  height:32px;
  display:flex;
  align-items:center;
  font-size:13px;
  color:var(--ink);
  border-bottom:1px solid var(--line);
}
.topbar-inner{display:flex;align-items:center;justify-content:space-between;gap:16px;width:100%;}
.topbar-text{white-space:nowrap;overflow:hidden;text-overflow:ellipsis;}
.topbar-right{display:flex;align-items:center;gap:14px;flex:none;}
.topbar-link{color:var(--accent-600);font-weight:700;}
.topbar-link:hover{color:var(--brand-700);}

/* ============ 导航 ============ */
.site-header{
  position:sticky;top:0;z-index:1030;
  background:rgba(246,243,236,.96);
  border-bottom:1px solid var(--line);
  transition:box-shadow .24s ease, background .24s ease;
}
.site-header.is-scrolled{box-shadow:0 6px 22px -14px rgba(23,32,30,.4);background:rgba(246,243,236,.98);}
.site-nav{padding:0;height:72px;display:flex;align-items:center;}
.site-nav .container{display:flex;align-items:center;gap:18px;height:72px;flex-wrap:nowrap;}
.brand-logo{display:flex;align-items:center;gap:10px;flex:none;padding:0;margin:0;}
.brand-mark{
  width:24px;height:24px;border-radius:7px;background:var(--brand-600);
  position:relative;display:inline-flex;flex:none;
}
.brand-mark::after{
  content:'';position:absolute;right:-3px;top:-3px;width:9px;height:9px;border-radius:50%;
  background:var(--accent-500);border:2px solid var(--bg);
}
.brand-text{
  font-size:19px;font-weight:800;letter-spacing:-.02em;color:var(--brand-900);line-height:1;
}
.brand-sub{font-size:11px;color:var(--ink-3);letter-spacing:.06em;display:block;margin-top:2px;font-weight:600;}
.nav-list{display:flex;align-items:center;gap:4px;margin-left:12px;flex:1 1 auto;flex-wrap:nowrap;}
.nav-list .nav-link{
  position:relative;display:inline-flex;align-items:center;height:72px;padding:0 14px;
  font-size:15px;font-weight:600;color:var(--ink-2);white-space:nowrap;
}
.nav-list .nav-link::after{
  content:'';position:absolute;left:14px;right:14px;bottom:18px;height:2px;background:var(--accent-500);
  transform:scaleX(0);transform-origin:left;transition:transform .22s cubic-bezier(.2,.7,.3,1);
}
.nav-list .nav-link:hover{color:var(--brand-700);}
.nav-list .nav-link:hover::after{transform:scaleX(1);}
.nav-list .nav-link.active{color:var(--brand-700);font-weight:700;}
.nav-list .nav-link.active::after{transform:scaleX(1);background:var(--accent-500);}
.nav-actions{display:flex;align-items:center;gap:10px;flex:none;}
.badge-status{
  display:inline-flex;align-items:center;gap:6px;height:26px;padding:0 12px;border-radius:var(--pill);
  background:var(--brand-100);color:var(--brand-700);font-size:12px;font-weight:700;letter-spacing:.04em;
}
.badge-status i{width:6px;height:6px;border-radius:50%;background:var(--ok);display:inline-block;}
.countdown-pill{
  display:inline-flex;align-items:center;height:28px;padding:0 12px;border-radius:var(--pill);
  border:1px solid var(--gold-500);color:var(--brand-900);font-size:13px;font-weight:700;
  font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-variant-numeric:tabular-nums;
  background:#FFFBF1;
}
.nav-cta{height:40px;padding:0 20px;font-size:15px;}
.nav-burger{
  display:none;width:44px;height:44px;border:0;background:transparent;
  flex-direction:column;justify-content:center;align-items:flex-end;gap:5px;cursor:pointer;margin-left:auto;
}
.nav-burger span{display:block;height:2px;background:var(--brand-700);border-radius:2px;width:24px;transition:.24s;}
.nav-burger span:nth-child(2){width:18px;}

/* 移动抽屉 */
.drawer-mask{
  position:fixed;inset:0;background:rgba(10,61,53,.42);opacity:0;visibility:hidden;
  transition:opacity .26s ease, visibility .26s;z-index:1050;
}
.drawer-mask.is-open{opacity:1;visibility:visible;}
.nav-drawer{
  position:fixed;top:0;right:0;bottom:0;width:80%;max-width:340px;background:var(--surface);
  z-index:1060;transform:translateX(100%);transition:transform .3s cubic-bezier(.2,.7,.3,1);
  display:flex;flex-direction:column;box-shadow:-16px 0 40px -20px rgba(23,32,30,.5);
}
.nav-drawer.is-open{transform:translateX(0);}
.drawer-head{
  padding:18px 20px;border-bottom:1px solid var(--line);display:flex;align-items:center;justify-content:space-between;gap:12px;
}
.drawer-close{
  width:36px;height:36px;border-radius:50%;border:1px solid var(--line);background:var(--surface-2);
  color:var(--brand-700);font-size:20px;line-height:1;display:flex;align-items:center;justify-content:center;cursor:pointer;
}
.drawer-nav{flex:1;overflow-y:auto;padding:8px 0;}
.drawer-nav a{
  display:flex;align-items:center;height:48px;padding:0 22px;font-size:16px;font-weight:600;color:var(--ink-2);
  border-left:3px solid transparent;
}
.drawer-nav a.active{color:var(--brand-700);border-left-color:var(--accent-500);background:var(--surface-2);}
.drawer-foot{padding:16px 20px 24px;border-top:1px solid var(--line);}

/* ============ 按钮 ============ */
.btn{
  --bs-btn-focus-box-shadow:none;
  border-radius:var(--r-md);
  font-weight:600;
  font-size:16px;
  height:48px;
  padding:0 26px;
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border:1.5px solid transparent;
  transition:all .2s cubic-bezier(.2,.7,.3,1);
  line-height:1;
}
.btn-primary{
  background:var(--accent-500);border-color:var(--accent-500);color:#fff;
  box-shadow:0 8px 20px -12px rgba(229,112,60,.95);
}
.btn-primary:hover,.btn-primary:focus{
  background:var(--accent-600);border-color:var(--accent-600);color:#fff;
  transform:translateY(-2px);box-shadow:0 16px 28px -14px rgba(201,84,42,.85);
}
.btn-outline{
  background:transparent;border-color:var(--brand-600);color:var(--brand-700);
}
.btn-outline:hover,.btn-outline:focus{
  background:var(--brand-100);border-color:var(--brand-600);color:var(--brand-900);transform:translateY(-2px);
}
.btn-sm{height:40px;padding:0 18px;font-size:14px;border-radius:var(--r-sm);}
.btn-block{width:100%;}
.link-dotted{
  color:var(--brand-600);font-weight:600;border-bottom:1px dashed var(--brand-500);padding-bottom:2px;
}
.link-dotted:hover{border-bottom-style:solid;color:var(--accent-600);}

/* ============ 板块 ============ */
.section{padding:88px 0;position:relative;}
.section-surface{background:var(--surface);}
.section-bg{background:var(--bg);}
.section-head{max-width:760px;margin-bottom:44px;}
.section-title{
  position:relative;font-size:28px;font-weight:700;letter-spacing:-.01em;color:var(--ink);line-height:1.35;
  padding-left:16px;
}
.section-title::before{
  content:'';position:absolute;left:0;top:4px;bottom:4px;width:4px;border-radius:2px;background:var(--brand-600);
}
.section-title::after{
  content:'';position:absolute;left:0;top:-12px;width:26px;height:3px;border-radius:2px;background:var(--accent-500);
}
.section-desc{margin-top:14px;color:var(--ink-2);font-size:16px;}
.section-head-row{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;flex-wrap:wrap;margin-bottom:44px;}

/* ============ Hero ============ */
.hero{padding:64px 0 76px;position:relative;overflow:hidden;}
.hero-grid{display:grid;grid-template-columns:1.4fr 1fr;gap:56px;align-items:center;}
.hero-tag{
  display:inline-flex;align-items:center;gap:8px;height:30px;padding:0 14px;border-radius:var(--pill);
  background:var(--brand-100);color:var(--brand-700);font-size:13px;font-weight:700;letter-spacing:.04em;margin-bottom:20px;
}
.hero-tag i{width:7px;height:7px;border-radius:50%;background:var(--accent-500);display:inline-block;}
.hero h1{
  font-size:44px;font-weight:700;line-height:1.25;letter-spacing:-.01em;color:var(--brand-900);
}
.hero-sub{
  margin-top:18px;font-size:19px;color:var(--ink-2);line-height:1.7;max-width:560px;
}
.hero-actions{display:flex;gap:14px;margin-top:32px;flex-wrap:wrap;}
.hero-trust{display:flex;gap:26px;margin-top:34px;flex-wrap:wrap;}
.hero-trust li{
  display:flex;align-items:center;gap:8px;font-size:14px;font-weight:600;color:var(--ink-2);
}
.hero-trust li::before{
  content:'';width:16px;height:16px;border-radius:50%;background:var(--brand-100);flex:none;
  background-image:linear-gradient(var(--brand-600),var(--brand-600)),linear-gradient(var(--brand-600),var(--brand-600));
  background-size:8px 2px,2px 8px;background-position:center;background-repeat:no-repeat;
}
.hero-side{position:relative;}
.hero-figure{
  position:relative;border-radius:var(--r-lg);overflow:hidden;border:1px solid var(--line);
  aspect-ratio:4/3;background:var(--surface-2);box-shadow:var(--shadow-card);
}
.hero-figure img{width:100%;height:100%;object-fit:cover;}
.hero-figure::after{
  content:'';position:absolute;inset:0;background:linear-gradient(180deg,rgba(10,61,53,0) 42%,rgba(10,61,53,.62) 100%);
}
.badge-gold{
  position:absolute;top:14px;left:14px;z-index:2;display:inline-flex;align-items:center;gap:6px;
  height:28px;padding:0 12px;border-radius:var(--pill);background:var(--gold-500);color:#3B2A05;
  font-size:12px;font-weight:800;letter-spacing:.04em;box-shadow:0 6px 16px -8px rgba(232,176,75,.9);
}
.badge-open{
  position:absolute;top:14px;right:14px;z-index:2;display:inline-flex;align-items:center;gap:6px;
  height:28px;padding:0 12px;border-radius:var(--pill);background:rgba(255,255,255,.94);color:var(--brand-700);
  font-size:12px;font-weight:700;
}
.badge-open i{width:6px;height:6px;border-radius:50%;background:var(--ok);display:inline-block;}
.hero-float{
  position:relative;margin-top:-52px;margin-left:22px;margin-right:22px;z-index:3;
  background:var(--surface);border-radius:var(--r-lg);border:1px solid var(--line);
  box-shadow:0 20px 40px -24px rgba(23,32,30,.45);overflow:hidden;
}
.hero-float::before{
  content:'';position:absolute;top:0;left:0;right:0;height:3px;
  background:linear-gradient(90deg,var(--accent-500),var(--gold-500));
}
.hero-float-inner{padding:22px 24px 20px;}
.float-row{display:flex;align-items:baseline;justify-content:space-between;gap:12px;}
.float-label{font-size:13px;color:var(--ink-3);font-weight:600;letter-spacing:.04em;}
.countdown{
  font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-variant-numeric:tabular-nums;
  font-size:26px;font-weight:700;color:var(--brand-900);letter-spacing:.02em;line-height:1.2;
}
.float-progress{margin-top:16px;}
.progress-head{display:flex;justify-content:space-between;font-size:13px;color:var(--ink-2);font-weight:600;margin-bottom:8px;}
.progress-track{height:8px;border-radius:var(--pill);background:var(--surface-2);overflow:hidden;}
.progress-track span{display:block;height:100%;border-radius:var(--pill);background:linear-gradient(90deg,var(--brand-500),var(--accent-500));}
.float-link{
  display:flex;align-items:center;justify-content:space-between;margin-top:18px;padding-top:16px;
  border-top:1px solid var(--line);font-size:14px;font-weight:700;color:var(--brand-700);
}
.float-link:hover{color:var(--accent-600);}

/* ============ 三步上手 ============ */
.flow-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:0;align-items:stretch;}
.flow-item{position:relative;padding:0 30px;}
.flow-item:first-child{padding-left:0;}
.flow-item:last-child{padding-right:0;}
.flow-item + .flow-item::before{
  content:'';position:absolute;left:0;top:26px;width:1px;height:calc(100% - 40px);background:var(--line);
}
.flow-num{
  width:56px;height:56px;border-radius:50%;background:var(--brand-100);color:var(--brand-700);
  display:flex;align-items:center;justify-content:center;font-size:20px;font-weight:800;
  font-family:ui-monospace,SFMono-Regular,Menlo,monospace;letter-spacing:.02em;margin-bottom:20px;
}
.flow-arrow{
  position:absolute;right:-9px;top:20px;width:18px;height:18px;color:var(--brand-500);z-index:2;
}
.flow-item h3{font-size:19px;font-weight:700;color:var(--ink);margin-bottom:10px;}
.flow-item p{font-size:15px;color:var(--ink-2);line-height:1.8;}
.flow-meta{
  display:inline-flex;align-items:center;gap:6px;margin-top:14px;font-size:13px;font-weight:700;
  color:var(--accent-600);background:var(--accent-100);height:26px;padding:0 12px;border-radius:var(--pill);
}

/* ============ 案例证明 ============ */
.case-grid{display:grid;grid-template-columns:repeat(12,1fr);gap:24px;}
.case-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-md);
  overflow:hidden;box-shadow:var(--shadow-card);transition:transform .22s cubic-bezier(.2,.7,.3,1), box-shadow .22s;
  display:flex;flex-direction:column;
}
.case-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);}
.case-card-lg{grid-column:span 6;}
.case-card-sm{grid-column:span 3;}
.case-cover{position:relative;aspect-ratio:16/9;overflow:hidden;background:var(--surface-2);}
.case-cover img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease;}
.case-card:hover .case-cover img{transform:scale(1.04);}
.case-body{padding:24px 26px 26px;display:flex;flex-direction:column;flex:1;}
.case-industry{
  display:inline-flex;align-items:center;height:24px;padding:0 10px;border-radius:var(--pill);
  background:var(--brand-100);color:var(--brand-700);font-size:12px;font-weight:700;letter-spacing:.04em;
  align-self:flex-start;margin-bottom:12px;
}
.case-card h3{font-size:19px;font-weight:700;line-height:1.5;color:var(--ink);margin-bottom:10px;}
.case-card-sm h3{font-size:17px;}
.case-quote{font-size:15px;color:var(--ink-2);line-height:1.8;}
.case-stats{display:flex;gap:10px;flex-wrap:wrap;margin-top:18px;padding-top:16px;border-top:1px dashed var(--line);}
.stat-chip{
  display:inline-flex;align-items:baseline;gap:6px;background:var(--surface-2);border-radius:var(--r-sm);
  padding:8px 12px;
}
.stat-chip b{
  font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-variant-numeric:tabular-nums;
  font-size:17px;font-weight:700;color:var(--brand-700);
}
.stat-chip span{font-size:12px;color:var(--ink-3);font-weight:600;}

/* ============ FAQ ============ */
.faq-layout{display:grid;grid-template-columns:1.9fr 1fr;gap:32px;align-items:start;}
.accordion-item{
  border:1px solid var(--line);border-radius:var(--r-md) !important;background:var(--surface);
  margin-bottom:12px;overflow:hidden;box-shadow:var(--shadow-card);
}
.accordion-item:last-child{margin-bottom:0;}
.accordion-button{
  background:var(--surface);color:var(--ink);font-size:17px;font-weight:600;line-height:1.6;
  padding:20px 22px;box-shadow:none !important;border:0;display:flex;align-items:center;justify-content:space-between;gap:16px;
}
.accordion-button:not(.collapsed){background:var(--surface);color:var(--brand-700);border-bottom:1px solid var(--line);}
.accordion-button::after{
  content:'+';flex:none;display:flex;align-items:center;justify-content:center;
  width:32px;height:32px;border-radius:50%;border:1.5px solid var(--brand-500);color:var(--brand-600);
  font-size:20px;font-weight:500;line-height:1;background-image:none;transform:none;
  transition:transform .22s ease, background .22s ease, color .22s ease, border-color .22s ease;
}
.accordion-button:not(.collapsed)::after{
  content:'+';background:var(--accent-500);border-color:var(--accent-500);color:#fff;transform:rotate(45deg);
}
.accordion-body{padding:18px 22px 22px;font-size:15px;color:var(--ink-2);line-height:1.85;}
.faq-aside{position:sticky;top:104px;}
.aside-card{
  background:var(--brand-900);color:#EAF3F0;border-radius:var(--r-lg);padding:28px 26px;
  box-shadow:var(--shadow-card);position:relative;overflow:hidden;
}
.aside-card::after{
  content:'';position:absolute;right:-40px;top:-40px;width:130px;height:130px;border-radius:50%;
  background:rgba(229,112,60,.16);
}
.aside-card h3{font-size:19px;font-weight:700;color:#fff;margin-bottom:12px;position:relative;z-index:1;}
.aside-card p{font-size:14px;line-height:1.85;color:rgba(234,243,240,.82);position:relative;z-index:1;}
.aside-card .btn{margin-top:20px;position:relative;z-index:1;}
.aside-hours{
  margin-top:18px;padding-top:16px;border-top:1px solid rgba(255,255,255,.16);font-size:13px;
  color:rgba(234,243,240,.78);position:relative;z-index:1;
}

/* ============ 最新信息 ============ */
.post-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.post-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-md);overflow:hidden;
  box-shadow:var(--shadow-card);transition:transform .22s cubic-bezier(.2,.7,.3,1), box-shadow .22s;
  display:flex;flex-direction:column;position:relative;
}
.post-card::before{
  content:'';position:absolute;top:0;left:0;right:0;height:3px;z-index:2;
  background:linear-gradient(90deg,var(--accent-500),var(--gold-500));
  opacity:0;transition:opacity .22s ease;
}
.post-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);}
.post-card:hover::before{opacity:1;}
.post-cover{display:block;aspect-ratio:16/9;overflow:hidden;background:var(--surface-2);}
.post-cover img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease;}
.post-card:hover .post-cover img{transform:scale(1.04);}
.post-body{padding:20px 22px 22px;display:flex;flex-direction:column;flex:1;}
.post-cat{
  display:inline-flex;align-items:center;height:24px;padding:0 10px;border-radius:var(--pill);
  background:var(--accent-100);color:var(--accent-600);font-size:12px;font-weight:700;letter-spacing:.04em;
  align-self:flex-start;margin-bottom:12px;
}
.post-title{font-size:17px;font-weight:700;line-height:1.55;color:var(--ink);margin-bottom:10px;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.post-title a{color:inherit;}
.post-title a:hover{color:var(--brand-700);}
.post-summary{font-size:14px;color:var(--ink-2);line-height:1.8;margin-bottom:16px;
  display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;}
.post-meta{
  margin-top:auto;display:flex;align-items:center;justify-content:space-between;
  padding-top:14px;border-top:1px solid var(--line);font-size:13px;color:var(--ink-3);
}
.post-meta .arrow{color:var(--brand-500);font-weight:700;transition:transform .2s ease;}
.post-card:hover .post-meta .arrow{transform:translateX(4px);}
.empty-state{
  grid-column:1/-1;text-align:center;padding:56px 24px;background:var(--surface);
  border:1px dashed var(--line);border-radius:var(--r-md);
}
.empty-icon{
  width:56px;height:56px;border-radius:50%;background:var(--brand-100);margin:0 auto 18px;
  display:flex;align-items:center;justify-content:center;color:var(--brand-600);font-size:24px;font-weight:700;
}
.empty-state p{color:var(--ink-2);font-size:15px;margin-bottom:20px;}

/* ============ CTA 条 ============ */
.cta-band{
  background:var(--brand-900);
  background-image:repeating-linear-gradient(135deg, rgba(255,255,255,.035) 0 1px, rgba(255,255,255,0) 1px 10px);
  padding:64px 0;margin-bottom:0;
}
.cta-inner{display:flex;align-items:center;justify-content:space-between;gap:40px;flex-wrap:wrap;}
.cta-left h2{font-size:30px;font-weight:700;color:#fff;line-height:1.35;letter-spacing:-.01em;}
.cta-left p{margin-top:12px;font-size:16px;color:rgba(234,243,240,.8);max-width:620px;}
.cta-right{display:flex;align-items:center;gap:16px;flex-wrap:wrap;}
.cta-phone{
  display:flex;flex-direction:column;gap:2px;color:#EAF3F0;font-size:13px;line-height:1.5;
}
.cta-phone b{
  font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-variant-numeric:tabular-nums;
  font-size:20px;font-weight:700;color:var(--gold-500);letter-spacing:.02em;
}
.cta-trust{
  display:flex;gap:28px;flex-wrap:wrap;margin-top:36px;padding-top:28px;
  border-top:1px solid rgba(255,255,255,.14);
}
.cta-trust li{font-size:14px;color:rgba(234,243,240,.78);display:flex;align-items:center;gap:8px;}
.cta-trust li::before{content:'';width:6px;height:6px;border-radius:50%;background:var(--accent-500);flex:none;}

/* ============ 页脚 ============ */
.site-footer{
  background:var(--brand-900);color:rgba(234,243,240,.72);padding:64px 0 26px;font-size:14px;
}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:40px;}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px;}
.footer-brand .brand-mark{background:var(--accent-500);}
.footer-brand .brand-mark::after{background:var(--gold-500);border-color:var(--brand-900);}
.footer-brand .brand-text{color:#fff;}
.footer-about{font-size:14px;line-height:1.85;color:rgba(234,243,240,.7);max-width:320px;}
.footer-col h4{
  font-size:14px;font-weight:700;color:#fff;margin-bottom:16px;letter-spacing:.06em;
}
.footer-col ul li{margin-bottom:10px;}
.footer-col a{color:rgba(234,243,240,.72);font-size:14px;}
.footer-col a:hover{color:var(--accent-100);}
.footer-contact li{display:flex;gap:8px;margin-bottom:10px;color:rgba(234,243,240,.72);}
.footer-contact b{color:#fff;font-weight:600;}
.footer-bottom{
  margin-top:48px;padding-top:22px;border-top:1px solid rgba(255,255,255,.14);
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13px;color:rgba(234,243,240,.55);
}
.footer-bottom a{color:rgba(234,243,240,.62);}
.footer-bottom a:hover{color:var(--accent-100);}

/* ============ 响应式 ============ */
@media (max-width:1199.98px){
  .hero h1{font-size:38px;}
  .nav-list .nav-link{padding:0 10px;font-size:14px;}
  .nav-list .nav-link::after{left:10px;right:10px;}
}
@media (max-width:991.98px){
  .topbar{display:none;}
  .nav-list,.nav-actions{display:none;}
  .nav-burger{display:flex;}
  .site-nav,.site-nav .container{height:60px;}
  .brand-text{font-size:17px;}
  .hero{padding:40px 0 56px;}
  .hero-grid{grid-template-columns:1fr;gap:36px;}
  .hero h1{font-size:32px;}
  .hero-sub{font-size:17px;}
  .section{padding:64px 0;}
  .section-title{font-size:24px;}
  .flow-grid{grid-template-columns:1fr;gap:0;}
  .flow-item{padding:0 0 0 28px;border-left:1px solid var(--line);padding-bottom:32px;}
  .flow-item:first-child{padding-left:28px;}
  .flow-item:last-child{padding-right:0;padding-bottom:0;border-left-color:transparent;}
  .flow-item + .flow-item::before{display:none;}
  .flow-num{width:48px;height:48px;font-size:17px;margin-bottom:14px;margin-left:-52px;background:var(--brand-100);border:3px solid var(--bg);}
  .flow-arrow{display:none;}
  .case-card-lg,.case-card-sm{grid-column:span 12;}
  .case-grid{gap:18px;}
  .faq-layout{grid-template-columns:1fr;gap:24px;}
  .faq-aside{position:static;}
  .post-grid{grid-template-columns:repeat(2,1fr);gap:18px;}
  .cta-inner{flex-direction:column;align-items:flex-start;gap:28px;}
  .cta-left h2{font-size:25px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
}
@media (max-width:575.98px){
  body{font-size:16px;}
  .container{padding-left:20px;padding-right:20px;}
  .hero{padding:28px 0 44px;}
  .hero h1{font-size:27px;line-height:1.3;}
  .hero-sub{font-size:16px;}
  .hero-actions{flex-direction:column;gap:12px;}
  .hero-actions .btn{width:100%;height:52px;}
  .hero-trust{gap:14px 20px;margin-top:26px;}
  .hero-float{margin-left:10px;margin-right:10px;margin-top:-40px;}
  .hero-float-inner{padding:18px 18px 16px;}
  .countdown{font-size:22px;}
  .section{padding:48px 0;}
  .section-title{font-size:22px;}
  .section-desc{font-size:15px;}
  .flow-item h3{font-size:17px;}
  .case-body{padding:20px 20px 22px;}
  .case-card h3{font-size:17px;}
  .accordion-button{font-size:16px;padding:16px 16px;}
  .accordion-body{padding:16px 16px 18px;}
  .post-grid{grid-template-columns:1fr;}
  .cta-band{padding:48px 0;}
  .cta-left h2{font-size:22px;}
  .cta-right{width:100%;}
  .cta-right .btn{width:100%;height:52px;}
  .cta-trust{gap:12px;flex-direction:column;}
  .footer-grid{grid-template-columns:1fr;gap:28px;}
  .site-footer{padding:48px 0 22px;}
}

/* roulang page: article */
:root{
  --brand-900:#0A3D35;--brand-700:#12564A;--brand-600:#125E52;--brand-500:#1B7A69;--brand-100:#DCEAE5;
  --accent-600:#C9542A;--accent-500:#E5703C;--accent-100:#FDE7DC;
  --gold-500:#E8B04B;
  --bg:#F6F3EC;--surface:#FFFFFF;--surface-2:#EFEAE0;
  --ink:#17201E;--ink-2:#4A5754;--ink-3:#8A928E;--line:#E2DCD0;
  --ok:#2F8F5B;--warn:#D9534F;
  --r-sm:8px;--r-md:14px;--r-lg:22px;--pill:999px;
  --sh-card:0 1px 2px rgba(23,32,30,.04),0 8px 24px -16px rgba(23,32,30,.18);
  --sh-hover:0 2px 4px rgba(23,32,30,.06),0 18px 36px -20px rgba(23,32,30,.28);
  --ease:cubic-bezier(.2,.7,.3,1);
}
*{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;background:var(--bg);color:var(--ink);
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  font-size:16px;line-height:1.85;-webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:var(--brand-600);text-decoration:none;transition:color .2s var(--ease);}
a:hover{color:var(--accent-600);}
h1,h2,h3,h4{margin:0;font-weight:700;color:var(--ink);letter-spacing:-.01em;}
p{margin:0;}
ul{margin:0;padding:0;list-style:none;}
button{font-family:inherit;}
:focus-visible{outline:2px solid var(--accent-500);outline-offset:2px;border-radius:4px;}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 20px;}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 24px;border-radius:var(--r-md);border:1px solid transparent;
  font-size:15px;font-weight:600;letter-spacing:.02em;cursor:pointer;
  transition:transform .2s var(--ease),background .2s var(--ease),box-shadow .2s var(--ease),color .2s var(--ease),border-color .2s var(--ease);
}
.btn-primary{background:var(--accent-500);color:#fff;box-shadow:0 8px 20px -12px rgba(201,84,42,.9);}
.btn-primary:hover{background:var(--accent-600);color:#fff;transform:translateY(-2px);box-shadow:0 14px 28px -14px rgba(201,84,42,.95);}
.btn-outline{background:transparent;color:var(--brand-600);border:1.5px solid var(--brand-600);}
.btn-outline:hover{background:var(--brand-100);color:var(--brand-700);transform:translateY(-2px);}
.btn-ghost{background:#fff;color:var(--brand-700);border:1px solid var(--line);}
.btn-ghost:hover{border-color:var(--brand-500);color:var(--brand-700);transform:translateY(-2px);}
.link-more{display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:600;color:var(--brand-600);border-bottom:1px dashed var(--brand-500);padding-bottom:2px;}
.link-more:hover{border-bottom-style:solid;color:var(--accent-600);}

/* ---------- 导航 ---------- */
.site-header{position:sticky;top:0;z-index:1030;background:var(--surface);border-bottom:1px solid var(--line);transition:box-shadow .25s var(--ease);}
.site-header.is-scrolled{box-shadow:0 8px 24px -18px rgba(23,32,30,.4);}
.site-nav{padding:0;background:transparent;}
.site-nav .container{display:flex;align-items:center;gap:28px;height:72px;}
.brand-logo{display:flex;align-items:center;gap:10px;flex:0 0 auto;}
.brand-mark{position:relative;width:24px;height:24px;border-radius:7px;background:linear-gradient(140deg,var(--brand-600),var(--brand-900));display:inline-block;flex:0 0 auto;}
.brand-mark::after{content:"";position:absolute;right:-3px;top:-3px;width:9px;height:9px;border-radius:50%;background:var(--accent-500);border:2px solid var(--surface);}
.brand-text{display:block;font-size:19px;font-weight:800;letter-spacing:-.02em;color:var(--ink);line-height:1.15;}
.brand-sub{display:block;font-size:11px;font-weight:700;letter-spacing:.14em;color:var(--brand-500);text-transform:uppercase;}
.nav-list{display:flex;align-items:center;gap:6px;margin:0 auto;}
.nav-list .nav-link{position:relative;display:inline-flex;align-items:center;height:72px;padding:0 14px;font-size:15px;font-weight:600;color:var(--ink-2);}
.nav-list .nav-link::after{content:"";position:absolute;left:14px;right:14px;bottom:0;height:2px;background:var(--accent-500);transform:scaleX(0);transform-origin:left;transition:transform .22s var(--ease);}
.nav-list .nav-link:hover{color:var(--brand-700);}
.nav-list .nav-link:hover::after{transform:scaleX(1);}
.nav-list .nav-link.active{color:var(--brand-700);}
.nav-actions{display:flex;align-items:center;gap:12px;flex:0 0 auto;}
.badge-status{display:inline-flex;align-items:center;gap:6px;height:28px;padding:0 12px;border-radius:var(--pill);background:var(--brand-100);color:var(--brand-700);font-size:12px;font-weight:700;letter-spacing:.04em;}
.badge-status i{width:6px;height:6px;border-radius:50%;background:var(--ok);display:inline-block;}
.countdown-pill{display:inline-flex;align-items:center;height:30px;padding:0 12px;border-radius:var(--pill);border:1px solid var(--gold-500);color:var(--brand-900);font-size:13px;font-weight:700;font-variant-numeric:tabular-nums;font-family:ui-monospace,"SFMono-Regular",Menlo,Consolas,monospace;background:#fffdf6;}
.nav-cta{height:42px;padding:0 20px;font-size:14px;}
.nav-burger{display:none;width:44px;height:44px;border:0;background:transparent;padding:0;flex-direction:column;justify-content:center;gap:5px;align-items:center;}
.nav-burger span{display:block;width:22px;height:2px;background:var(--brand-700);border-radius:2px;transition:transform .2s var(--ease),opacity .2s var(--ease);}
.nav-burger[aria-expanded="true"] span:nth-child(1){transform:translateY(7px) rotate(45deg);}
.nav-burger[aria-expanded="true"] span:nth-child(2){opacity:0;}
.nav-burger[aria-expanded="true"] span:nth-child(3){transform:translateY(-7px) rotate(-45deg);}
.drawer-mask{position:fixed;inset:0;background:rgba(10,61,53,.4);opacity:0;visibility:hidden;transition:opacity .25s var(--ease);z-index:1040;}
.drawer-mask.show{opacity:1;visibility:visible;}
.nav-drawer{position:fixed;top:0;right:0;width:80%;max-width:340px;height:100%;background:var(--surface);z-index:1050;transform:translateX(102%);transition:transform .28s var(--ease);display:flex;flex-direction:column;box-shadow:-16px 0 40px -24px rgba(23,32,30,.5);}
.nav-drawer.show{transform:translateX(0);}
.drawer-head{display:flex;align-items:center;justify-content:space-between;padding:16px 20px;border-bottom:1px solid var(--line);}
.drawer-head .countdown-pill{height:28px;}
.drawer-close{width:40px;height:40px;border:1px solid var(--line);background:#fff;border-radius:var(--r-sm);color:var(--ink-2);font-size:20px;line-height:1;}
.drawer-links{padding:8px 0;overflow-y:auto;flex:1;}
.drawer-links a{display:flex;align-items:center;height:44px;padding:0 20px;font-size:16px;font-weight:600;color:var(--ink-2);border-bottom:1px solid var(--surface-2);}
.drawer-links a:hover{color:var(--brand-700);background:var(--brand-100);}
.drawer-foot{padding:16px 20px 24px;border-top:1px solid var(--line);}
.drawer-foot .btn{width:100%;}

/* ---------- 页面主体 ---------- */
.page-wrap{padding:28px 0 0;}
.breadcrumb-bar{font-size:13px;color:var(--ink-3);}
.breadcrumb-bar ol{display:flex;flex-wrap:wrap;align-items:center;gap:8px;margin:0;padding:0;list-style:none;}
.breadcrumb-bar li{color:var(--ink-3);}
.breadcrumb-bar .sep{color:var(--line);}
.breadcrumb-bar a{color:var(--ink-3);}
.breadcrumb-bar a:hover{color:var(--brand-600);}
.breadcrumb-bar .current{color:var(--ink-2);font-weight:600;}

.article-head{padding:28px 0 0;}
.article-head .eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:12px;font-weight:700;letter-spacing:.08em;color:var(--brand-600);text-transform:uppercase;}
.article-head .eyebrow::before{content:"";width:12px;height:2px;background:var(--accent-500);display:inline-block;}
.article-title{font-size:44px;line-height:1.25;letter-spacing:-.01em;margin:14px 0 0;max-width:900px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.article-meta{display:flex;flex-wrap:wrap;align-items:center;gap:10px;margin-top:18px;font-size:14px;color:var(--ink-3);}
.article-meta .dot{color:var(--line);}
.pill{display:inline-flex;align-items:center;height:26px;padding:0 12px;border-radius:var(--pill);font-size:12px;font-weight:700;letter-spacing:.04em;background:var(--brand-100);color:var(--brand-700);}
.pill-accent{background:var(--accent-100);color:var(--accent-600);}
.pill-gold{background:#fff;border:1px solid var(--gold-500);color:var(--brand-900);}
.head-divider{height:1px;background:var(--line);margin:32px 0 0;}

.article-layout{padding:44px 0 0;display:grid;grid-template-columns:minmax(0,1fr) 300px;gap:56px;align-items:start;}
.article-body{max-width:780px;width:100%;font-size:16px;line-height:1.85;color:var(--ink);overflow-wrap:break-word;word-break:break-word;}
.article-body>*:first-child{margin-top:0;}
.article-body p{margin:0 0 1.5em;color:var(--ink-2);}
.article-body h2{font-size:27px;line-height:1.35;margin:2em 0 .7em;padding-left:14px;border-left:4px solid var(--brand-600);}
.article-body h2::before{content:"";display:block;width:16px;height:2px;background:var(--accent-500);margin-bottom:12px;}
.article-body h3{font-size:19px;font-weight:600;margin:1.8em 0 .6em;color:var(--ink);}
.article-body h4{font-size:17px;margin:1.6em 0 .5em;}
.article-body ul,.article-body ol{margin:0 0 1.5em;padding-left:0;}
.article-body ul li{position:relative;padding-left:20px;margin-bottom:.6em;color:var(--ink-2);}
.article-body ul li::before{content:"";position:absolute;left:0;top:.75em;width:8px;height:8px;border-radius:2px;background:var(--brand-500);}
.article-body ol{list-style:decimal;padding-left:1.4em;}
.article-body ol li{margin-bottom:.6em;color:var(--ink-2);}
.article-body blockquote{margin:1.6em 0;padding:18px 22px;background:var(--surface-2);border-left:3px solid var(--accent-500);border-radius:0 var(--r-md) var(--r-md) 0;color:var(--ink-2);}
.article-body blockquote p:last-child{margin-bottom:0;}
.article-body img{border-radius:var(--r-md);margin:26px auto;box-shadow:var(--sh-card);}
.article-body figure{margin:26px 0;}
.article-body figcaption{font-size:13px;color:var(--ink-3);text-align:center;margin-top:10px;}
.article-body a{color:var(--brand-600);border-bottom:1px dashed var(--brand-500);}
.article-body a:hover{color:var(--accent-600);border-bottom-style:solid;}
.article-body strong{color:var(--ink);font-weight:700;}
.article-body hr{border:0;border-top:1px solid var(--line);margin:2em 0;}
.article-body code{background:var(--surface-2);border-radius:5px;padding:2px 6px;font-size:14px;font-variant-numeric:tabular-nums;}
.article-body .table-wrap{overflow-x:auto;border:1px solid var(--line);border-radius:var(--r-md);margin:1.8em 0;background:var(--surface);box-shadow:var(--sh-card);}
.article-body table{width:100%;border-collapse:collapse;font-size:15px;min-width:520px;}
.article-body table thead th{background:var(--surface);border-top:3px solid var(--brand-600);border-bottom:1px solid var(--line);padding:14px 16px;text-align:left;font-weight:700;color:var(--ink);white-space:nowrap;}
.article-body table tbody td{padding:13px 16px;border-bottom:1px solid var(--surface-2);color:var(--ink-2);}
.article-body table tbody tr:nth-child(even){background:#FAF8F3;}
.article-body table tbody tr:last-child td{border-bottom:0;}

.article-side{position:sticky;top:104px;display:flex;flex-direction:column;gap:20px;}
.side-card{background:var(--surface);border:1px solid var(--line);border-radius:var(--r-md);padding:24px;box-shadow:var(--sh-card);transition:transform .22s var(--ease),box-shadow .22s var(--ease);}
.side-card:hover{transform:translateY(-4px);box-shadow:var(--sh-hover);}
.side-card h3{font-size:17px;font-weight:700;margin-bottom:10px;}
.side-card p{font-size:14px;color:var(--ink-2);margin-bottom:16px;}
.side-card .btn{width:100%;}
.side-note{background:var(--brand-900);border:0;color:#EAF3F0;position:relative;overflow:hidden;}
.side-note::before{content:"";position:absolute;inset:0;background-image:radial-gradient(rgba(255,255,255,.07) 1px,transparent 1px);background-size:14px 14px;opacity:.5;}
.side-note h3,.side-note p{position:relative;color:#fff;}
.side-note p{color:#CFE3DD;}
.side-list{display:flex;flex-direction:column;gap:10px;}
.side-list a{display:flex;align-items:center;justify-content:space-between;gap:10px;font-size:14px;font-weight:600;color:var(--ink-2);padding:10px 12px;border-radius:var(--r-sm);background:var(--surface-2);}
.side-list a:hover{background:var(--brand-100);color:var(--brand-700);}

.tags-row{display:flex;flex-wrap:wrap;gap:10px;align-items:center;margin:44px 0 0;padding-top:26px;border-top:1px solid var(--line);}
.tags-row .label{font-size:13px;font-weight:700;letter-spacing:.06em;color:var(--ink-3);}

.related{padding:64px 0 0;}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:28px;}
.section-head h2{font-size:28px;padding-left:14px;border-left:4px solid var(--brand-600);position:relative;}
.section-head h2::before{content:"";position:absolute;left:-4px;top:-10px;width:16px;height:2px;background:var(--accent-500);}
.section-head .sub{font-size:14px;color:var(--ink-3);}
.card-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px;}
.post-card{position:relative;display:flex;flex-direction:column;background:var(--surface);border:1px solid var(--line);border-radius:var(--r-md);overflow:hidden;box-shadow:var(--sh-card);transition:transform .22s var(--ease),box-shadow .22s var(--ease);}
.post-card::before{content:"";position:absolute;left:0;right:0;top:0;height:3px;background:linear-gradient(90deg,var(--accent-500),var(--brand-500));opacity:0;transition:opacity .22s var(--ease);}
.post-card:hover{transform:translateY(-4px);box-shadow:var(--sh-hover);}
.post-card:hover::before{opacity:1;}
.post-card .thumb{aspect-ratio:16/9;width:100%;object-fit:cover;display:block;background:var(--surface-2);}
.post-card .body{padding:22px 24px 24px;display:flex;flex-direction:column;gap:12px;flex:1;}
.post-card h3{font-size:18px;font-weight:700;line-height:1.5;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.post-card p{font-size:14px;color:var(--ink-2);line-height:1.75;display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;}
.post-card .foot{margin-top:auto;display:flex;align-items:center;justify-content:space-between;font-size:13px;color:var(--ink-3);}
.post-card .foot .arrow{color:var(--brand-500);font-size:16px;transition:transform .2s var(--ease);}
.post-card:hover .foot .arrow{transform:translateX(4px);}
.empty-note{background:var(--surface);border:1px dashed var(--line);border-radius:var(--r-md);padding:34px 24px;text-align:center;color:var(--ink-2);font-size:15px;}
.article-missing{max-width:760px;margin:0 auto;background:var(--surface);border:1px solid var(--line);border-radius:var(--r-lg);padding:56px 32px;text-align:center;box-shadow:var(--sh-card);}
.article-missing .mark{width:56px;height:56px;border-radius:var(--r-md);background:var(--accent-100);color:var(--accent-600);display:flex;align-items:center;justify-content:center;font-size:26px;font-weight:700;margin:0 auto 18px;}
.article-missing h2{font-size:24px;margin-bottom:12px;}
.article-missing p{color:var(--ink-2);margin-bottom:24px;}

.back-row{display:flex;flex-wrap:wrap;gap:12px;align-items:center;justify-content:center;margin-top:44px;}

.cta-bar{margin:72px 0 96px;background:var(--brand-900);border-radius:var(--r-lg);padding:28px 32px;display:flex;align-items:center;justify-content:space-between;gap:22px;position:relative;overflow:hidden;box-shadow:0 24px 48px -32px rgba(10,61,53,.9);}
.cta-bar::before{content:"";position:absolute;inset:0;background-image:radial-gradient(rgba(255,255,255,.08) 1px,transparent 1px);background-size:14px 14px;opacity:.5;}
.cta-bar .txt{position:relative;color:#fff;}
.cta-bar h3{font-size:21px;color:#fff;margin-bottom:6px;}
.cta-bar p{font-size:14px;color:#CFE3DD;}
.cta-bar .act{position:relative;display:flex;align-items:center;gap:14px;flex:0 0 auto;}
.cta-bar .phone{font-size:15px;font-weight:700;color:var(--gold-500);font-variant-numeric:tabular-nums;}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--brand-900);color:#CFE3DD;padding:64px 0 28px;margin-top:24px;}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.1fr;gap:36px;padding-bottom:36px;border-bottom:1px solid rgba(255,255,255,.12);}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:14px;}
.footer-brand .brand-text{color:#fff;font-size:19px;font-weight:800;}
.footer-brand .brand-mark::after{border-color:var(--brand-900);}
.footer-about{font-size:14px;line-height:1.85;color:#A9C6BF;max-width:320px;}
.footer-col h4{font-size:16px;color:#fff;margin-bottom:16px;}
.footer-col ul{display:flex;flex-direction:column;gap:11px;}
.footer-col a{font-size:14px;color:#BFD8D2;}
.footer-col a:hover{color:var(--accent-100);}
.footer-contact li{display:flex;flex-direction:column;gap:2px;font-size:14px;color:#BFD8D2;}
.footer-contact li span{color:#8FB2AA;font-size:13px;}
.footer-contact li b{color:#fff;font-weight:600;}
.footer-bottom{display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;padding-top:22px;font-size:13px;color:#8FB2AA;}
.footer-bottom a{color:#BFD8D2;}
.footer-bottom a:hover{color:var(--accent-100);}

/* ---------- 响应式 ---------- */
@media (max-width:1199.98px){
  .article-layout{grid-template-columns:minmax(0,1fr) 280px;gap:40px;}
  .article-title{font-size:38px;}
}
@media (max-width:991.98px){
  .nav-list{display:none;}
  .nav-burger{display:flex;}
  .nav-actions .countdown-pill{display:none;}
  .site-nav .container{height:64px;gap:14px;justify-content:space-between;}
  .brand-logo{margin-right:auto;}
  .article-layout{grid-template-columns:minmax(0,1fr);gap:36px;}
  .article-side{position:static;}
  .card-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .footer-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:30px;}
  .article-title{font-size:32px;}
}
@media (max-width:767.98px){
  .article-head{padding:22px 0 0;}
  .article-title{font-size:27px;-webkit-line-clamp:3;}
  .article-body h2{font-size:22px;}
  .article-body h3{font-size:18px;}
  .section-head{flex-direction:column;align-items:flex-start;}
  .section-head h2{font-size:23px;}
  .cta-bar{flex-direction:column;align-items:flex-start;padding:24px;margin:56px 0 72px;}
  .cta-bar .act{width:100%;flex-direction:column;align-items:stretch;}
  .cta-bar .btn{width:100%;}
  .related{padding:48px 0 0;}
}
@media (max-width:575.98px){
  .container{padding:0 20px;}
  .card-grid{grid-template-columns:minmax(0,1fr);}
  .footer-grid{grid-template-columns:minmax(0,1fr);}
  .article-title{font-size:26px;}
  .badge-status{display:none;}
  .nav-cta{height:40px;padding:0 16px;}
  .btn{width:100%;}
  .nav-cta{width:auto;}
  .back-row .btn,.side-card .btn{width:100%;}
}
@media (prefers-reduced-motion:reduce){
  *{transition:none!important;animation:none!important;}
}

/* roulang page: category1 */
:root{
  --brand-900:#0A3D35;
  --brand-700:#12564A;
  --brand-600:#125E52;
  --brand-500:#1B7A69;
  --brand-100:#DCEAE5;
  --accent-600:#C9542A;
  --accent-500:#E5703C;
  --accent-100:#FDE7DC;
  --gold-500:#E8B04B;
  --bg:#F6F3EC;
  --surface:#FFFFFF;
  --surface-2:#EFEAE0;
  --ink:#17201E;
  --ink-2:#4A5754;
  --ink-3:#8A928E;
  --line:#E2DCD0;
  --ok:#2F8F5B;
  --warn:#D9534F;
  --r-sm:8px;
  --r-md:14px;
  --r-lg:22px;
  --pill:999px;
  --shadow-1:0 1px 2px rgba(23,32,30,.04), 0 8px 24px -16px rgba(23,32,30,.18);
  --shadow-2:0 2px 6px rgba(23,32,30,.06), 0 20px 40px -22px rgba(23,32,30,.3);
  --font:"PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--font);
  font-size:16px;
  line-height:1.85;
  color:var(--ink);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
body.nav-open{overflow:hidden;}
img{max-width:100%;display:block;}
a{color:var(--brand-600);text-decoration:none;transition:color .2s ease;}
a:hover{color:var(--brand-700);}
h1,h2,h3,h4{margin:0;color:var(--ink);font-weight:700;letter-spacing:-0.01em;}
p{margin:0;}
ul{margin:0;padding:0;list-style:none;}
button{font-family:inherit;}
:focus-visible{outline:2px solid var(--brand-500);outline-offset:2px;}

.container{
  width:100%;
  max-width:1200px;
  margin:0 auto;
  padding:0 20px;
  --bs-gutter-x:0;
}

/* ---------- 导航 ---------- */
.site-header{
  position:sticky;
  top:0;
  z-index:1000;
  background:rgba(255,255,255,.96);
  border-bottom:1px solid var(--line);
  transition:box-shadow .24s ease;
}
.site-header.is-stuck{box-shadow:0 10px 30px -22px rgba(23,32,30,.5);}
.navbar{
  padding:0;
  background:transparent;
  --bs-navbar-padding-y:0;
}
.site-nav .container{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:20px;
  height:72px;
}
.brand-logo{display:flex;align-items:center;gap:12px;flex:0 0 auto;}
.brand-mark{
  width:24px;height:24px;border-radius:8px;
  background:var(--brand-600);
  position:relative;
  flex:0 0 24px;
}
.brand-mark::after{
  content:"";position:absolute;right:4px;bottom:4px;
  width:7px;height:7px;border-radius:50%;background:var(--accent-500);
}
.brand-text{
  display:block;
  font-size:18px;
  font-weight:800;
  letter-spacing:-.01em;
  color:var(--ink);
  line-height:1.15;
}
.brand-sub{
  display:block;
  font-size:11.5px;
  letter-spacing:.1em;
  color:var(--ink-3);
  line-height:1.4;
}
.nav-list{display:flex;align-items:center;gap:26px;}
.nav-link{
  position:relative;
  display:inline-block;
  padding:6px 0 8px;
  font-size:15px;
  font-weight:500;
  color:var(--ink-2);
  border-radius:0;
  transition:color .2s ease;
}
.nav-link::after{
  content:"";
  position:absolute;left:0;bottom:2px;
  height:2px;width:0;
  background:var(--accent-500);
  border-radius:2px;
  transition:width .22s cubic-bezier(.2,.7,.3,1);
}
.nav-link:hover{color:var(--brand-700);}
.nav-link:hover::after{width:100%;}
.nav-link.active{color:var(--brand-600);font-weight:700;}
.nav-link.active::after{width:100%;}
.nav-actions{display:flex;align-items:center;gap:10px;flex:0 0 auto;}
.badge-status{
  display:inline-flex;align-items:center;gap:6px;
  padding:6px 12px;
  border-radius:var(--pill);
  background:var(--brand-100);
  color:var(--brand-700);
  font-size:12px;font-weight:700;letter-spacing:.04em;
  white-space:nowrap;
}
.badge-status i{width:7px;height:7px;border-radius:50%;background:var(--ok);display:block;}
.countdown-pill{
  font-family:ui-monospace,"SFMono-Regular",Menlo,monospace;
  font-variant-numeric:tabular-nums;
  font-size:13px;font-weight:700;
  color:var(--ink);
  background:#FFFBEF;
  border:1.5px solid var(--gold-500);
  border-radius:var(--pill);
  padding:5px 12px;
  white-space:nowrap;
}
.nav-cta{
  display:inline-flex;align-items:center;justify-content:center;
  height:40px;padding:0 18px;
  font-size:14px;font-weight:700;
  border-radius:var(--r-md);
  white-space:nowrap;
}
.nav-burger{
  display:none;
  flex-direction:column;
  justify-content:center;
  gap:5px;
  width:44px;height:44px;
  background:transparent;
  border:1px solid var(--line);
  border-radius:10px;
  cursor:pointer;
  padding:0;
}
.nav-burger span{
  display:block;
  width:20px;height:2px;
  margin:0 auto;
  background:var(--brand-600);
  border-radius:2px;
  transition:transform .2s ease,opacity .2s ease;
}

/* 抽屉 */
.nav-scrim{
  position:fixed;inset:0;
  background:rgba(23,32,30,.45);
  opacity:0;pointer-events:none;
  transition:opacity .25s ease;
  z-index:1100;
}
.nav-scrim.open{opacity:1;pointer-events:auto;}
.nav-drawer{
  position:fixed;top:0;right:0;
  width:82%;max-width:360px;height:100%;
  background:var(--surface);
  transform:translateX(102%);
  transition:transform .28s cubic-bezier(.2,.7,.3,1);
  z-index:1200;
  display:flex;flex-direction:column;
  padding:20px;
  box-shadow:-18px 0 40px -20px rgba(23,32,30,.5);
}
.nav-drawer.open{transform:translateX(0);}
.drawer-head{
  display:flex;align-items:center;justify-content:space-between;
  padding-bottom:16px;
  border-bottom:1px solid var(--line);
}
.drawer-close{
  width:40px;height:40px;border-radius:10px;
  border:1px solid var(--line);background:transparent;
  color:var(--ink-2);font-size:18px;cursor:pointer;
}
.drawer-count{
  display:flex;align-items:center;justify-content:space-between;gap:10px;
  margin-top:16px;padding:12px 14px;
  background:var(--accent-100);
  border-radius:var(--r-md);
  font-size:13px;color:var(--ink-2);
}
.drawer-links{margin-top:10px;flex:1;}
.drawer-links a{
  display:flex;align-items:center;
  height:44px;
  font-size:15.5px;
  color:var(--ink-2);
  border-bottom:1px solid var(--line);
}
.drawer-links a.active{color:var(--brand-600);font-weight:700;}
.drawer-links a:hover{color:var(--brand-700);}
.drawer-foot{padding-top:16px;}

/* ---------- 按钮 ---------- */
.btn{
  border-radius:var(--r-md);
  font-weight:600;
  font-size:15px;
  border-width:1.5px;
  transition:transform .2s cubic-bezier(.2,.7,.3,1),background-color .2s ease,box-shadow .2s ease,color .2s ease,border-color .2s ease;
}
.btn-primary{
  background:var(--accent-500);
  border-color:var(--accent-500);
  color:#fff;
  height:48px;
  padding:0 26px;
  display:inline-flex;align-items:center;justify-content:center;
}
.btn-primary:hover,.btn-primary:focus,.btn-primary:active{
  background:var(--accent-600);
  border-color:var(--accent-600);
  color:#fff;
  transform:translateY(-2px);
  box-shadow:0 14px 26px -16px rgba(201,84,42,.85);
}
.btn-outline-brand{
  background:transparent;
  border:1.5px solid var(--brand-600);
  color:var(--brand-700);
  height:48px;
  padding:0 26px;
  display:inline-flex;align-items:center;justify-content:center;
}
.btn-outline-brand:hover,.btn-outline-brand:focus{
  background:var(--brand-100);
  color:var(--brand-700);
  border-color:var(--brand-600);
  transform:translateY(-2px);
}
.btn-outline-light-cta{
  background:transparent;
  border:1.5px solid rgba(255,255,255,.7);
  color:#fff;
  height:48px;padding:0 26px;
  display:inline-flex;align-items:center;justify-content:center;
}
.btn-outline-light-cta:hover{background:rgba(255,255,255,.14);color:#fff;transform:translateY(-2px);}
.link-text{
  color:var(--brand-600);
  font-weight:600;
  border-bottom:1px dashed var(--brand-500);
  padding-bottom:2px;
}
.link-text:hover{border-bottom-style:solid;color:var(--brand-700);}

/* ---------- 卡片与通用 ---------- */
.card{
  border:1px solid var(--line);
  border-radius:var(--r-md);
  background:var(--surface);
  box-shadow:var(--shadow-1);
  transition:transform .24s cubic-bezier(.2,.7,.3,1),box-shadow .24s ease;
  position:relative;
  overflow:hidden;
}
.card::before{
  content:"";position:absolute;left:0;top:0;height:3px;width:100%;
  background:linear-gradient(90deg,var(--accent-500),var(--gold-500));
  opacity:0;transition:opacity .24s ease;
}
.card:hover{transform:translateY(-4px);box-shadow:var(--shadow-2);}
.card:hover::before{opacity:1;}
.card-body{padding:26px;}
.badge{
  display:inline-flex;align-items:center;gap:6px;
  padding:5px 12px;
  border-radius:var(--pill);
  background:var(--brand-100);
  color:var(--brand-700);
  font-size:12px;font-weight:700;letter-spacing:.04em;
  line-height:1.6;
}
.badge-accent{background:var(--accent-100);color:var(--accent-600);}
.badge-gold{background:#FFF6E2;color:#8A6415;border:1px solid var(--gold-500);}

/* ---------- 板块 ---------- */
.section{padding:80px 0;}
.section-surface{background:var(--surface);}
.section-paper{background:var(--bg);}
.section-soft{background:var(--surface-2);}
.section-head{max-width:760px;margin-bottom:44px;}
.section-head.center{margin-left:auto;margin-right:auto;text-align:center;}
.eyebrow{
  display:inline-block;
  font-size:12.5px;font-weight:700;letter-spacing:.08em;
  color:var(--accent-600);
  background:var(--accent-100);
  padding:5px 12px;
  border-radius:var(--pill);
  margin-bottom:16px;
}
h2.h2-deco{
  position:relative;
  padding-left:18px;
  font-size:28px;
  line-height:1.35;
}
h2.h2-deco::before{
  content:"";position:absolute;left:0;top:6px;bottom:6px;width:4px;
  background:var(--brand-600);border-radius:2px;
}
h2.h2-deco::after{
  content:"";position:absolute;left:8px;top:-10px;width:12px;height:2px;
  background:var(--accent-500);border-radius:2px;
}
.section-desc{
  margin-top:14px;
  color:var(--ink-2);
  font-size:16px;
  max-width:760px;
}
h3{font-size:19px;font-weight:600;line-height:1.5;}

/* ---------- 面包屑 ---------- */
.breadcrumb-wrap{padding-top:24px;}
.breadcrumb{
  display:flex;flex-wrap:wrap;align-items:center;gap:6px;
  margin:0;padding:0;background:transparent;
  font-size:13.5px;color:var(--ink-3);
}
.breadcrumb-item{color:var(--ink-3);}
.breadcrumb-item a{color:var(--ink-3);}
.breadcrumb-item a:hover{color:var(--brand-600);}
.breadcrumb-item+.breadcrumb-item::before{
  content:"›";color:var(--ink-3);padding-right:6px;
}
.breadcrumb-item.active{color:var(--ink-2);}

/* ---------- Hero ---------- */
.hero-entry{
  position:relative;
  padding:26px 0 64px;
  background:var(--bg);
  overflow:hidden;
}
.hero-entry::before{
  content:"";position:absolute;inset:0;
  background-image:radial-gradient(rgba(23,32,30,.05) 1px,transparent 1px);
  background-size:18px 18px;
  opacity:.5;pointer-events:none;
}
.hero-grid{
  position:relative;
  display:grid;
  grid-template-columns:1.05fr .95fr;
  gap:52px;
  align-items:center;
}
.hero-entry h1{
  font-size:44px;
  line-height:1.22;
  letter-spacing:-.015em;
  margin-bottom:18px;
}
.hero-lead{
  font-size:18px;
  color:var(--brand-700);
  font-weight:600;
  line-height:1.7;
  margin-bottom:16px;
}
.hero-text{
  color:var(--ink-2);
  max-width:560px;
  margin-bottom:28px;
}
.hero-cta{display:flex;gap:14px;flex-wrap:wrap;margin-bottom:24px;}
.trust-tags{display:flex;gap:10px;flex-wrap:wrap;}
.trust-tags li{
  font-size:13px;font-weight:700;letter-spacing:.03em;
  color:var(--brand-700);
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--pill);
  padding:7px 14px;
}
.hero-media{
  position:relative;
  border-radius:var(--r-lg);
  overflow:hidden;
  box-shadow:var(--shadow-2);
  border:1px solid var(--line);
  background:var(--surface-2);
}
.hero-media img{
  width:100%;
  aspect-ratio:16/11;
  object-fit:cover;
}
.hero-media::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(10,61,53,0) 45%,rgba(10,61,53,.5) 100%);
}
.media-badge{
  position:absolute;left:18px;bottom:18px;z-index:2;
  display:inline-flex;align-items:center;gap:8px;
  background:rgba(255,255,255,.94);
  color:var(--brand-700);
  font-size:12.5px;font-weight:700;letter-spacing:.04em;
  padding:7px 14px;border-radius:var(--pill);
  border:1px solid var(--gold-500);
}

/* ---------- 步骤条 ---------- */
.steps-bar{
  display:grid;
  grid-template-columns:1fr auto 1fr auto 1fr;
  align-items:center;
  gap:14px;
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  padding:30px 34px;
  box-shadow:var(--shadow-1);
}
.step-item{display:flex;gap:16px;align-items:flex-start;}
.step-num{
  flex:0 0 46px;
  width:46px;height:46px;
  display:grid;place-items:center;
  border-radius:50%;
  background:var(--brand-100);
  color:var(--brand-700);
  font-family:ui-monospace,monospace;
  font-variant-numeric:tabular-nums;
  font-size:16px;font-weight:700;
}
.step-item h3{font-size:17px;margin-bottom:6px;}
.step-item p{font-size:14px;color:var(--ink-2);line-height:1.7;}
.step-arrow{color:var(--line);font-size:18px;}

/* ---------- 要点卡 2x2 ---------- */
.point-grid{
  display:grid;
  grid-template-columns:repeat(2,1fr);
  gap:22px;
}
.point-card{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--r-md);
  padding:26px;
  box-shadow:var(--shadow-1);
  display:flex;gap:18px;align-items:flex-start;
  transition:transform .24s cubic-bezier(.2,.7,.3,1),box-shadow .24s ease;
}
.point-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-2);}
.point-icon{
  flex:0 0 46px;width:46px;height:46px;
  display:grid;place-items:center;
  border-radius:12px;
  background:var(--brand-100);
  color:var(--brand-600);
  font-size:19px;
}
.point-card h3{font-size:17.5px;margin-bottom:8px;}
.point-card p{font-size:14.5px;color:var(--ink-2);line-height:1.78;}

/* ---------- 场景 ---------- */
.scene-grid{
  display:grid;
  grid-template-columns:repeat(2,1fr);
  gap:20px;
}
.scene-item{
  display:flex;gap:16px;align-items:flex-start;
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--r-md);
  padding:22px 24px;
  box-shadow:var(--shadow-1);
}
.scene-item i{
  color:var(--accent-500);
  font-size:17px;
  margin-top:6px;
}
.scene-item h3{font-size:16.5px;margin-bottom:6px;}
.scene-item p{font-size:14.5px;color:var(--ink-2);line-height:1.75;}

/* ---------- 表格 ---------- */
.table-wrap{
  border:1px solid var(--line);
  border-radius:var(--r-md);
  overflow:hidden;
  background:var(--surface);
  box-shadow:var(--shadow-1);
}
.table-wrap::before{
  content:"";display:block;height:3px;
  background:linear-gradient(90deg,var(--brand-600),var(--brand-500));
}
.table{
  width:100%;
  margin:0;
  border-collapse:collapse;
  font-size:14.5px;
  --bs-table-bg:transparent;
  --bs-table-color:var(--ink);
}
.table thead th{
  background:var(--surface-2);
  color:var(--brand-700);
  font-weight:700;
  font-size:13.5px;
  letter-spacing:.03em;
  padding:16px 20px;
  border-bottom:1px solid var(--line);
  white-space:nowrap;
}
.table tbody td{
  padding:16px 20px;
  border-bottom:1px solid var(--line);
  color:var(--ink-2);
  vertical-align:top;
}
.table tbody tr:nth-child(even) td{background:rgba(239,234,224,.45);}
.table tbody tr:last-child td{border-bottom:none;}
.table tbody td:first-child{color:var(--ink);font-weight:600;}
.table-note{margin-top:14px;font-size:13.5px;color:var(--ink-3);}

/* ---------- FAQ ---------- */
.faq-wrap{max-width:860px;}
.accordion{--bs-accordion-border-color:var(--line);--bs-accordion-bg:transparent;--bs-accordion-btn-focus-box-shadow:none;--bs-accordion-border-radius:var(--r-md);}
.accordion-item{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--r-md)!important;
  margin-bottom:12px;
  overflow:hidden;
  box-shadow:var(--shadow-1);
}
.accordion-button{
  background:var(--surface);
  color:var(--ink);
  font-size:16px;
  font-weight:600;
  padding:20px 24px;
  box-shadow:none!important;
  gap:16px;
}
.accordion-button:not(.collapsed){
  background:var(--surface);
  color:var(--brand-700);
  box-shadow:none;
}
.accordion-button::after{
  background-image:none!important;
  content:"+";
  display:grid;place-items:center;
  width:28px;height:28px;
  flex:0 0 28px;
  margin-left:auto;
  border-radius:50%;
  border:1.5px solid var(--brand-500);
  color:var(--brand-600);
  font-size:17px;
  font-weight:700;
  line-height:1;
  transition:transform .22s cubic-bezier(.2,.7,.3,1),background-color .22s ease,color .22s ease,border-color .22s ease;
}
.accordion-button:not(.collapsed)::after{
  transform:rotate(45deg);
  background:var(--accent-500);
  border-color:var(--accent-500);
  color:#fff;
}
.accordion-body{
  padding:0 24px 22px;
  color:var(--ink-2);
  font-size:15px;
  line-height:1.85;
  border-top:1px solid var(--line);
  padding-top:18px;
  margin-top:0;
}

/* ---------- CTA ---------- */
.cta-band{
  background:var(--brand-900);
  color:#fff;
  border-radius:var(--r-lg);
  padding:44px 46px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:32px;
  position:relative;
  overflow:hidden;
  box-shadow:var(--shadow-2);
}
.cta-band::before{
  content:"";position:absolute;inset:0;
  background-image:repeating-linear-gradient(135deg,rgba(255,255,255,.05) 0 1px,transparent 1px 14px);
  pointer-events:none;
}
.cta-band h2{
  color:#fff;
  font-size:27px;
  margin-bottom:10px;
  position:relative;
}
.cta-band p{
  color:#BFD5CE;
  font-size:15px;
  position:relative;
  max-width:620px;
}
.cta-actions{
  display:flex;gap:12px;flex-wrap:wrap;
  position:relative;
  flex:0 0 auto;
}
.cta-trust{
  display:flex;gap:22px;flex-wrap:wrap;
  margin-top:26px;
  position:relative;
}
.cta-trust span{
  font-size:13.5px;color:#A9C2BB;
  display:inline-flex;align-items:center;gap:8px;
}
.cta-trust i{color:var(--gold-500);font-size:12px;}

/* ---------- 表单 ---------- */
.form-label{
  font-size:14px;
  font-weight:600;
  color:var(--ink);
  margin-bottom:8px;
}
.form-label .req{color:var(--warn);margin-left:2px;}
.form-control{
  height:46px;
  border:1px solid var(--line);
  border-radius:var(--r-sm);
  background:var(--surface);
  color:var(--ink);
  font-size:15px;
  padding:0 14px;
}
.form-control::placeholder{color:var(--ink-3);}
.form-control:focus{
  border-color:var(--brand-500);
  box-shadow:0 0 0 3px var(--brand-100);
  background:var(--surface);
}
.form-check-input{border-color:var(--line);}
.form-check-input:checked{background-color:var(--brand-600);border-color:var(--brand-600);}
.form-check-input:focus{box-shadow:0 0 0 3px var(--brand-100);border-color:var(--brand-500);}
.form-hint{font-size:13px;color:var(--ink-3);margin-top:8px;}
.privacy-row{display:flex;align-items:flex-start;gap:10px;margin:20px 0;}
.privacy-row label{font-size:13.5px;color:var(--ink-2);line-height:1.7;}

/* ---------- 页脚 ---------- */
.site-footer{
  background:var(--brand-900);
  color:#BFD5CE;
  padding:72px 0 26px;
  margin-top:96px;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.5fr 1fr 1fr 1.25fr;
  gap:40px;
}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px;}
.footer-brand .brand-mark{background:var(--accent-500);}
.footer-brand .brand-text{color:#fff;font-size:18px;}
.footer-about{
  color:#A9C2BB;
  font-size:14px;
  line-height:1.9;
  max-width:330px;
}
.footer-col h4{
  color:#fff;
  font-size:15px;
  margin-bottom:16px;
  font-weight:700;
}
.footer-col ul{display:grid;gap:11px;}
.footer-col a{color:#BFD5CE;font-size:14px;}
.footer-col a:hover{color:var(--accent-100);}
.footer-contact li{
  display:flex;justify-content:space-between;gap:14px;
  font-size:13.5px;color:#A9C2BB;
}
.footer-contact b{color:#fff;font-weight:600;}
.footer-bottom{
  margin-top:48px;
  padding-top:22px;
  border-top:1px solid rgba(255,255,255,.13);
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13px;color:#8FA8A1;
}
.footer-bottom a{color:#BFD5CE;}
.footer-bottom a:hover{color:var(--accent-100);}

/* ---------- 响应式 ---------- */
@media (max-width:1199.98px){
  .container{max-width:1000px;}
  .hero-entry h1{font-size:38px;}
}
@media (max-width:991.98px){
  .nav-list{display:none;}
  .nav-actions .badge-status,
  .nav-actions .countdown-pill{display:none;}
  .nav-burger{display:flex;}
  .site-nav .container{height:60px;}
  .hero-grid{grid-template-columns:1fr;gap:32px;}
  .hero-media{order:2;}
  .hero-entry{padding:16px 0 48px;}
  .hero-entry h1{font-size:32px;}
  .section{padding:60px 0;}
  .steps-bar{
    grid-template-columns:1fr;
    padding:26px 24px;
    gap:22px;
  }
  .step-arrow{display:none;}
  .step-item{padding-left:0;}
  .point-grid{grid-template-columns:1fr;}
  .scene-grid{grid-template-columns:1fr;}
  .cta-band{flex-direction:column;align-items:flex-start;padding:34px 28px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
}
@media (max-width:767.98px){
  .hero-entry h1{font-size:28px;}
  .hero-lead{font-size:16.5px;}
  .hero-cta .btn{width:100%;}
  .hero-cta{flex-direction:column;gap:12px;}
  h2.h2-deco{font-size:23px;}
  .cta-band h2{font-size:22px;}
  .cta-actions{width:100%;flex-direction:column;}
  .cta-actions .btn{width:100%;}
  .section{padding:48px 0;}
  .container{padding:0 20px;}
  .table thead th,.table tbody td{padding:14px 14px;font-size:13.5px;}
  .footer-grid{grid-template-columns:1fr;gap:30px;}
  .site-footer{padding:52px 0 22px;margin-top:64px;}
  .footer-bottom{flex-direction:column;gap:8px;}
}

/* roulang page: category2 */
:root{
  --brand-900:#0A3D35;
  --brand-700:#12564A;
  --brand-600:#125E52;
  --brand-500:#1B7A69;
  --brand-100:#DCEAE5;
  --accent-600:#C9542A;
  --accent-500:#E5703C;
  --accent-100:#FDE7DC;
  --gold-500:#E8B04B;
  --bg:#F6F3EC;
  --surface:#FFFFFF;
  --surface-2:#EFEAE0;
  --ink:#17201E;
  --ink-2:#4A5754;
  --ink-3:#8A928E;
  --line:#E2DCD0;
  --ok:#2F8F5B;
  --warn:#D9534F;
  --r-sm:8px;
  --r-md:14px;
  --r-lg:22px;
  --pill:999px;
  --shadow-1:0 1px 2px rgba(23,32,30,.04), 0 8px 24px -16px rgba(23,32,30,.18);
  --shadow-2:0 2px 6px rgba(23,32,30,.06), 0 20px 44px -22px rgba(23,32,30,.30);
  --ease:cubic-bezier(.2,.7,.3,1);
  --nav-h:72px;
}

*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16px;
  line-height:1.85;
  color:var(--ink);
  background-color:var(--bg);
  background-image:
    radial-gradient(rgba(23,32,30,.035) 1px, transparent 1px);
  background-size:22px 22px;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:var(--brand-600);text-decoration:none;transition:color .2s var(--ease);}
a:hover{color:var(--accent-600);}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4{margin:0;font-weight:700;line-height:1.3;letter-spacing:-.01em;color:var(--ink);}
p{margin:0;}
button{font-family:inherit;}
:focus-visible{outline:2px solid var(--brand-500);outline-offset:2px;border-radius:4px;}

.container{
  max-width:1200px;
  padding-left:20px;
  padding-right:20px;
  width:100%;
  margin-left:auto;
  margin-right:auto;
}

/* ============ 导航 ============ */
.site-header{
  position:sticky;
  top:0;
  z-index:1040;
  background:var(--surface);
  border-bottom:1px solid var(--line);
  transition:box-shadow .24s var(--ease), background-color .24s var(--ease);
}
.site-header.is-scrolled{
  box-shadow:0 8px 26px -20px rgba(23,32,30,.55);
  background:rgba(255,255,255,.96);
}
.site-nav{padding:0;background:transparent;}
.site-nav > .container{
  display:flex;
  align-items:center;
  gap:20px;
  min-height:var(--nav-h);
}
.brand-logo{
  display:flex;
  align-items:center;
  gap:10px;
  flex:0 0 auto;
  color:var(--ink);
}
.brand-logo:hover{color:var(--ink);}
.brand-mark{
  width:24px;height:24px;
  border-radius:7px;
  background:linear-gradient(140deg,var(--brand-700),var(--brand-500));
  position:relative;
  flex:0 0 auto;
  box-shadow:0 6px 14px -8px rgba(10,61,53,.8);
}
.brand-mark::after{
  content:"";
  position:absolute;
  right:-3px;bottom:-3px;
  width:9px;height:9px;
  border-radius:50%;
  background:var(--accent-500);
  border:2px solid var(--surface);
}
.brand-text{
  display:block;
  font-size:18px;
  font-weight:800;
  letter-spacing:-.02em;
  line-height:1.15;
  color:var(--ink);
}
.brand-sub{
  display:block;
  font-size:11px;
  letter-spacing:.16em;
  color:var(--ink-3);
  font-weight:600;
  line-height:1.4;
}
.nav-list{
  display:flex;
  align-items:center;
  gap:4px;
  margin-left:auto;
}
.nav-link{
  position:relative;
  display:inline-block;
  padding:10px 14px;
  font-size:15px;
  font-weight:600;
  color:var(--ink-2);
  border-radius:var(--r-sm);
  transition:color .2s var(--ease);
}
.nav-link::after{
  content:"";
  position:absolute;
  left:14px;right:14px;bottom:4px;
  height:2px;
  background:var(--accent-500);
  border-radius:2px;
  transform:scaleX(0);
  transform-origin:left center;
  transition:transform .22s var(--ease);
}
.nav-link:hover{color:var(--brand-700);}
.nav-link:hover::after{transform:scaleX(1);}
.nav-link.active{color:var(--brand-700);font-weight:700;}
.nav-link.active::after{transform:scaleX(1);}
.nav-actions{
  display:flex;
  align-items:center;
  gap:10px;
  flex:0 0 auto;
}
.badge-status{
  display:inline-flex;
  align-items:center;
  gap:6px;
  padding:5px 12px;
  border-radius:var(--pill);
  background:var(--brand-100);
  color:var(--brand-700);
  font-size:12px;
  font-weight:700;
  letter-spacing:.04em;
  white-space:nowrap;
}
.badge-status i{
  width:7px;height:7px;border-radius:50%;
  background:var(--ok);
  box-shadow:0 0 0 3px rgba(47,143,91,.18);
}
.countdown-pill{
  display:inline-flex;
  align-items:center;
  padding:5px 12px;
  border:1px solid var(--gold-500);
  border-radius:var(--pill);
  background:#FFFBF2;
  color:#8A5B10;
  font-size:13px;
  font-weight:700;
  font-variant-numeric:tabular-nums;
  font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
  white-space:nowrap;
}
.nav-burger{
  display:none;
  width:44px;height:44px;
  margin-left:auto;
  border:none;
  background:transparent;
  padding:0;
  flex-direction:column;
  justify-content:center;
  align-items:center;
  gap:5px;
}
.nav-burger span{
  display:block;
  width:22px;height:2px;
  background:var(--brand-700);
  border-radius:2px;
  transition:transform .22s var(--ease),opacity .22s var(--ease);
}

/* 抽屉 */
.drawer-mask{
  position:fixed;inset:0;
  background:rgba(10,61,53,.42);
  opacity:0;visibility:hidden;
  transition:opacity .24s var(--ease),visibility .24s var(--ease);
  z-index:1050;
}
.drawer-mask.is-open{opacity:1;visibility:visible;}
.nav-drawer{
  position:fixed;
  top:0;right:0;
  width:80%;
  max-width:360px;
  height:100%;
  background:var(--surface);
  border-left:1px solid var(--line);
  transform:translateX(102%);
  transition:transform .28s var(--ease);
  z-index:1060;
  display:flex;
  flex-direction:column;
  padding:18px 20px 24px;
  overflow-y:auto;
}
.nav-drawer.is-open{transform:translateX(0);}
.drawer-head{
  display:flex;
  align-items:center;
  justify-content:space-between;
  padding-bottom:14px;
  border-bottom:1px solid var(--line);
}
.drawer-close{
  width:40px;height:40px;
  border:1px solid var(--line);
  border-radius:var(--r-sm);
  background:var(--surface-2);
  color:var(--ink-2);
  font-size:22px;
  line-height:1;
}
.drawer-countdown{
  margin:16px 0 6px;
  font-size:13px;
  color:var(--ink-2);
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:10px;
}
.drawer-list li a{
  display:flex;
  align-items:center;
  min-height:44px;
  font-size:16px;
  font-weight:600;
  color:var(--ink-2);
  border-bottom:1px solid var(--line);
}
.drawer-list li a.active{color:var(--brand-700);font-weight:700;}
.drawer-cta{
  margin-top:auto;
  width:100%;
  justify-content:center;
}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  min-height:48px;
  padding:0 24px;
  border-radius:var(--r-md);
  font-size:15px;
  font-weight:700;
  letter-spacing:.01em;
  border:1.5px solid transparent;
  cursor:pointer;
  transition:background-color .2s var(--ease),color .2s var(--ease),border-color .2s var(--ease),transform .2s var(--ease),box-shadow .2s var(--ease);
  text-align:center;
}
.btn-primary,
.btn.btn-primary{
  background:var(--accent-500);
  color:#fff;
  border-color:var(--accent-500);
  box-shadow:0 10px 22px -14px rgba(201,84,42,.85);
}
.btn-primary:hover,
.btn.btn-primary:hover{
  background:var(--accent-600);
  border-color:var(--accent-600);
  color:#fff;
  transform:translateY(-2px);
  box-shadow:0 16px 30px -14px rgba(201,84,42,.7);
}
.btn-outline{
  background:transparent;
  color:var(--brand-700);
  border-color:var(--brand-600);
}
.btn-outline:hover{
  background:var(--brand-100);
  color:var(--brand-700);
  transform:translateY(-2px);
}
.btn-ghost{
  background:transparent;
  border-color:rgba(255,255,255,.55);
  color:#fff;
}
.btn-ghost:hover{
  background:rgba(255,255,255,.12);
  color:#fff;
  border-color:#fff;
}
.link-arrow{
  display:inline-flex;
  align-items:center;
  gap:6px;
  font-weight:700;
  font-size:15px;
  color:var(--brand-600);
  border-bottom:1px dashed var(--brand-500);
  padding-bottom:2px;
  transition:border-color .2s var(--ease),color .2s var(--ease);
}
.link-arrow:hover{border-bottom-style:solid;color:var(--accent-600);}

/* ============ 面包屑 ============ */
.crumb-bar{
  background:var(--surface);
  border-bottom:1px solid var(--line);
}
.breadcrumb{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:8px;
  margin:0;
  padding:14px 0;
  background:transparent;
  font-size:13.5px;
  color:var(--ink-3);
}
.breadcrumb li{display:flex;align-items:center;gap:8px;}
.breadcrumb a{color:var(--ink-3);font-weight:600;}
.breadcrumb a:hover{color:var(--brand-600);}
.breadcrumb .sep{color:var(--ink-3);opacity:.7;}
.breadcrumb .current{color:var(--brand-700);font-weight:700;}

/* ============ Hero ============ */
.hero-guide{
  background:var(--bg);
  padding:52px 0 56px;
  position:relative;
  overflow:hidden;
}
.hero-guide::before{
  content:"";
  position:absolute;
  top:-120px;right:-80px;
  width:420px;height:420px;
  border-radius:50%;
  background:radial-gradient(circle,rgba(27,122,105,.12),rgba(27,122,105,0) 68%);
  pointer-events:none;
}
.hero-guide .inner{position:relative;max-width:820px;}
.eyebrow{
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:6px 14px;
  border-radius:var(--pill);
  background:var(--accent-100);
  color:var(--accent-600);
  font-size:12.5px;
  font-weight:700;
  letter-spacing:.04em;
  margin-bottom:18px;
}
.hero-title{
  font-size:44px;
  font-weight:700;
  line-height:1.25;
  letter-spacing:-.01em;
  margin-bottom:18px;
}
.hero-title .hl{
  color:var(--brand-700);
  position:relative;
  white-space:nowrap;
}
.hero-title .hl::after{
  content:"";
  position:absolute;
  left:0;right:0;bottom:4px;
  height:8px;
  background:var(--accent-100);
  border-radius:4px;
  z-index:-1;
}
.hero-sub{
  font-size:17px;
  color:var(--ink-2);
  max-width:720px;
  margin-bottom:26px;
}
.hero-actions{
  display:flex;
  flex-wrap:wrap;
  gap:14px;
  margin-bottom:26px;
}
.hero-facts{
  display:flex;
  flex-wrap:wrap;
  gap:10px;
}
.fact-pill{
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:8px 14px;
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--pill);
  font-size:13.5px;
  font-weight:600;
  color:var(--ink-2);
  box-shadow:var(--shadow-1);
}
.fact-pill i{color:var(--brand-500);font-size:13px;}

/* ============ 通用板块 ============ */
.section{padding:76px 0;}
.section-tight{padding:56px 0;}
.section-surface{background:var(--surface);}
.section-alt{background:var(--bg);}
.section-head{max-width:760px;margin-bottom:40px;}
.section-title{
  position:relative;
  font-size:28px;
  font-weight:700;
  padding-left:18px;
  margin-bottom:14px;
}
.section-title::before{
  content:"";
  position:absolute;
  left:0;top:4px;bottom:4px;
  width:4px;
  border-radius:3px;
  background:var(--brand-600);
}
.section-title::after{
  content:"";
  position:absolute;
  left:0;top:-12px;
  width:26px;height:3px;
  border-radius:3px;
  background:var(--accent-500);
}
.section-sub{color:var(--ink-2);font-size:16px;}

/* ============ 步骤总览 ============ */
.flow-strip{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:20px;
  margin-top:8px;
}
.flow-item{
  position:relative;
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--r-md);
  padding:26px 24px;
  box-shadow:var(--shadow-1);
  transition:transform .22s var(--ease),box-shadow .22s var(--ease);
}
.flow-item:hover{transform:translateY(-4px);box-shadow:var(--shadow-2);}
.flow-num{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  width:46px;height:46px;
  border-radius:50%;
  background:var(--brand-100);
  color:var(--brand-700);
  font-size:17px;
  font-weight:800;
  font-variant-numeric:tabular-nums;
  font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
  margin-bottom:16px;
}
.flow-item h3{font-size:19px;margin-bottom:8px;}
.flow-item p{font-size:15px;color:var(--ink-2);}
.flow-arrow{
  position:absolute;
  right:-19px;top:50%;
  transform:translateY(-50%);
  color:var(--brand-500);
  opacity:.55;
  font-size:15px;
  z-index:2;
}
.flow-item:last-child .flow-arrow{display:none;}

/* ============ 3 + 9 主区 ============ */
.guide-layout{padding:72px 0 80px;background:var(--surface);}
.step-dir{
  position:sticky;
  top:calc(var(--nav-h) + 24px);
  background:var(--surface-2);
  border:1px solid var(--line);
  border-radius:var(--r-md);
  padding:20px 18px;
}
.step-dir h2{
  font-size:13px;
  letter-spacing:.14em;
  color:var(--ink-3);
  font-weight:700;
  margin-bottom:14px;
}
.step-dir-item{
  position:relative;
  display:flex;
  align-items:center;
  gap:10px;
  min-height:44px;
  padding:6px 10px 6px 14px;
  border-radius:var(--r-sm);
  font-size:14.5px;
  font-weight:600;
  color:var(--ink-2);
  transition:background-color .2s var(--ease),color .2s var(--ease);
}
.step-dir-item::before{
  content:"";
  position:absolute;
  left:0;top:50%;
  transform:translateY(-50%) scaleY(0);
  width:3px;height:22px;
  border-radius:3px;
  background:var(--accent-500);
  transition:transform .2s var(--ease);
}
.step-dir-item span.idx{
  font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
  font-size:12.5px;
  color:var(--ink-3);
  font-variant-numeric:tabular-nums;
}
.step-dir-item:hover{background:var(--surface);color:var(--brand-700);}
.step-dir-item.active{background:var(--surface);color:var(--brand-700);font-weight:700;}
.step-dir-item.active::before{transform:translateY(-50%) scaleY(1);}
.step-dir-item.active span.idx{color:var(--accent-600);}

.guide-body{max-width:800px;}
.guide-block{
  padding-bottom:36px;
  margin-bottom:36px;
  border-bottom:1px solid var(--line);
  scroll-margin-top:110px;
}
.guide-block:last-child{border-bottom:none;margin-bottom:0;padding-bottom:0;}
.num-tag{
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:5px 14px;
  border-radius:var(--pill);
  background:var(--brand-100);
  color:var(--brand-700);
  font-size:12.5px;
  font-weight:800;
  letter-spacing:.06em;
  font-variant-numeric:tabular-nums;
  margin-bottom:14px;
}
.guide-block h2{
  font-size:26px;
  margin-bottom:16px;
}
.guide-block h3{
  font-size:19px;
  font-weight:600;
  margin:26px 0 10px;
}
.guide-block p{color:var(--ink-2);margin-bottom:16px;}
.guide-block p strong{color:var(--ink);font-weight:700;}

.check-list{margin:18px 0;}
.check-list li{
  position:relative;
  padding-left:26px;
  margin-bottom:10px;
  color:var(--ink-2);
  font-size:15.5px;
}
.check-list li::before{
  content:"";
  position:absolute;
  left:0;top:.72em;
  width:9px;height:9px;
  border-radius:2px;
  background:var(--brand-500);
}
.tip-box{
  border-left:3px solid var(--accent-500);
  background:var(--accent-100);
  border-radius:0 var(--r-md) var(--r-md) 0;
  padding:18px 20px;
  font-size:15px;
  color:#6E3418;
  margin:20px 0;
}
.tip-box b{color:var(--accent-600);}
.guide-figure{
  margin:24px 0;
  border:1px solid var(--line);
  border-radius:var(--r-md);
  overflow:hidden;
  background:var(--surface-2);
}
.guide-figure img{width:100%;aspect-ratio:16/9;object-fit:cover;}
.guide-figure figcaption{
  font-size:13px;
  color:var(--ink-3);
  text-align:center;
  padding:10px 14px;
  background:var(--surface);
  border-top:1px solid var(--line);
}
.mini-grid{
  display:grid;
  grid-template-columns:repeat(2,1fr);
  gap:14px;
  margin:20px 0 6px;
}
.mini-card{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--r-md);
  padding:18px 20px;
  box-shadow:var(--shadow-1);
  transition:transform .2s var(--ease),box-shadow .2s var(--ease);
}
.mini-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-2);}
.mini-card .ico{
  width:36px;height:36px;
  display:flex;align-items:center;justify-content:center;
  border-radius:10px;
  background:var(--brand-100);
  color:var(--brand-700);
  margin-bottom:12px;
  font-size:15px;
}
.mini-card h3{font-size:16.5px;margin-bottom:6px;}
.mini-card p{font-size:14.5px;color:var(--ink-2);margin:0;}

/* ============ 短答卡 ============ */
.short-answers{padding:72px 0;background:var(--bg);}
.short-grid{
  display:grid;
  grid-template-columns:repeat(2,1fr);
  gap:20px;
}
.short-card{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--r-md);
  padding:26px 26px 24px;
  box-shadow:var(--shadow-1);
  position:relative;
  overflow:hidden;
  transition:transform .22s var(--ease),box-shadow .22s var(--ease);
}
.short-card::before{
  content:"";
  position:absolute;
  top:0;left:0;right:0;
  height:3px;
  background:linear-gradient(90deg,var(--accent-500),var(--brand-500));
  transform:scaleX(0);
  transform-origin:left center;
  transition:transform .25s var(--ease);
}
.short-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-2);}
.short-card:hover::before{transform:scaleX(1);}
.short-card h3{
  font-size:18px;
  margin-bottom:10px;
  display:flex;
  align-items:flex-start;
  gap:10px;
}
.short-card h3 i{color:var(--brand-500);font-size:16px;margin-top:5px;}
.short-card p{font-size:15px;color:var(--ink-2);}
.short-card .meta{
  margin-top:14px;
  padding-top:14px;
  border-top:1px dashed var(--line);
  font-size:13px;
  color:var(--ink-3);
}
.short-card.wide{grid-column:1 / -1;}

/* ============ CTA 条 ============ */
.cta-band{
  background:var(--brand-900);
  background-image:
    repeating-linear-gradient(135deg, rgba(255,255,255,.035) 0 2px, rgba(255,255,255,0) 2px 12px);
  padding:64px 0;
  color:#fff;
  margin-bottom:0;
}
.cta-band .row{align-items:center;}
.cta-band h2{
  color:#fff;
  font-size:30px;
  margin-bottom:12px;
}
.cta-band p{
  color:rgba(255,255,255,.82);
  font-size:16px;
  max-width:560px;
}
.cta-actions{
  display:flex;
  flex-wrap:wrap;
  gap:14px;
  justify-content:flex-end;
}
.cta-trust{
  display:flex;
  flex-wrap:wrap;
  gap:22px;
  margin-top:26px;
  padding-top:22px;
  border-top:1px solid rgba(255,255,255,.16);
}
.cta-trust span{
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-size:14px;
  color:rgba(255,255,255,.86);
}
.cta-trust i{color:var(--gold-500);}

/* ============ 页脚 ============ */
.site-footer{
  background:var(--brand-900);
  color:rgba(255,255,255,.78);
  padding:60px 0 24px;
  font-size:14.5px;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.5fr 1fr 1fr 1.2fr;
  gap:36px;
  padding-bottom:36px;
  border-bottom:1px solid rgba(255,255,255,.14);
}
.footer-brand{
  display:flex;
  align-items:center;
  gap:10px;
  margin-bottom:14px;
}
.footer-brand .brand-text{color:#fff;font-size:18px;}
.footer-about{
  color:rgba(255,255,255,.7);
  font-size:14px;
  line-height:1.8;
  max-width:320px;
}
.footer-col h4{
  color:#fff;
  font-size:15px;
  font-weight:700;
  margin-bottom:16px;
  letter-spacing:.02em;
}
.footer-col ul li{margin-bottom:10px;}
.footer-col ul li a{color:rgba(255,255,255,.74);font-size:14.5px;}
.footer-col ul li a:hover{color:var(--accent-100);}
.footer-contact li{
  display:flex;
  justify-content:space-between;
  gap:12px;
  color:rgba(255,255,255,.72);
  font-size:14px;
  margin-bottom:10px;
}
.footer-contact li b{color:#fff;font-weight:600;text-align:right;}
.footer-bottom{
  display:flex;
  flex-wrap:wrap;
  justify-content:space-between;
  gap:10px;
  padding-top:22px;
  font-size:13px;
  color:rgba(255,255,255,.6);
}
.footer-bottom a{color:rgba(255,255,255,.72);}
.footer-bottom a:hover{color:var(--accent-100);}

/* ============ 响应式 ============ */
@media (max-width:1199.98px){
  .hero-title{font-size:38px;}
}
@media (max-width:991.98px){
  :root{--nav-h:60px;}
  .nav-list,.nav-actions{display:none;}
  .nav-burger{display:flex;}
  .site-nav > .container{min-height:60px;gap:12px;}
  .hero-guide{padding:40px 0 44px;}
  .hero-title{font-size:32px;}
  .hero-sub{font-size:16px;}
  .section{padding:56px 0;}
  .guide-layout{padding:44px 0 56px;}
  .step-dir{
    position:static;
    display:flex;
    gap:10px;
    overflow-x:auto;
    padding:12px;
    margin-bottom:28px;
    background:var(--surface-2);
    -webkit-overflow-scrolling:touch;
    scrollbar-width:none;
  }
  .step-dir::-webkit-scrollbar{display:none;}
  .step-dir h2{display:none;}
  .step-dir-item{
    flex:0 0 auto;
    white-space:nowrap;
    background:var(--surface);
    border:1px solid var(--line);
    padding:8px 14px;
  }
  .step-dir-item::before{display:none;}
  .step-dir-item.active{border-color:var(--accent-500);background:var(--accent-100);color:var(--accent-600);}
  .flow-strip{grid-template-columns:1fr;gap:16px;}
  .flow-arrow{display:none !important;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px;}
  .cta-band{padding:48px 0;}
  .cta-band h2{font-size:24px;}
  .cta-actions{justify-content:flex-start;margin-top:22px;}
  .cta-actions .btn{width:100%;}
}
@media (max-width:767.98px){
  .hero-title{font-size:28px;}
  .section-title{font-size:22px;}
  .guide-block h2{font-size:21px;}
  .short-grid{grid-template-columns:1fr;}
  .mini-grid{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr;gap:26px;}
  .hero-actions .btn{width:100%;}
  .container{padding-left:20px;padding-right:20px;}
  .guide-block{padding-bottom:28px;margin-bottom:28px;}
  .footer-contact li{flex-direction:column;gap:2px;}
  .footer-contact li b{text-align:left;}
}
@media (max-width:520px){
  .hero-title{font-size:26px;}
  .fact-pill{font-size:12.5px;}
  .short-card{padding:22px 20px;}
  .cta-trust{gap:14px;}
}

/* roulang page: category3 */
:root{
  --brand-900:#0A3D35; --brand-700:#12564A; --brand-600:#125E52; --brand-500:#1B7A69; --brand-100:#DCEAE5;
  --accent-600:#C9542A; --accent-500:#E5703C; --accent-100:#FDE7DC;
  --gold-500:#E8B04B;
  --bg:#F6F3EC; --surface:#FFFFFF; --surface-2:#EFEAE0;
  --ink:#17201E; --ink-2:#4A5754; --ink-3:#8A928E; --line:#E2DCD0;
  --ok:#2F8F5B; --warn:#D9534F;
  --r-sm:8px; --r-md:14px; --r-lg:22px; --pill:999px;
  --sh-1:0 1px 2px rgba(23,32,30,.04), 0 8px 24px -16px rgba(23,32,30,.18);
  --sh-2:0 2px 6px rgba(23,32,30,.06), 0 18px 40px -20px rgba(23,32,30,.28);
  --ease:cubic-bezier(.2,.7,.3,1);
}
*{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;background:var(--bg);color:var(--ink);
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  font-size:16px;line-height:1.85;-webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;height:auto;}
a{color:var(--brand-700);text-decoration:none;transition:color .2s var(--ease);}
a:hover{color:var(--accent-600);}
h1,h2,h3,h4{margin:0;letter-spacing:-.01em;color:var(--ink);}
p{margin:0;}
ul{margin:0;padding:0;list-style:none;}
button{font-family:inherit;}
:focus-visible{outline:2px solid var(--brand-500);outline-offset:3px;border-radius:4px;}

.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px;}
.section{padding:88px 0;}
.section--tight{padding:64px 0;}
.bg-paper{background:var(--bg);}
.bg-surface{background:var(--surface);}
.bg-soft{background:var(--surface-2);}

/* ---------- 按钮体系 ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 26px;border-radius:var(--r-md);border:1.5px solid transparent;
  font-size:15px;font-weight:700;letter-spacing:.01em;cursor:pointer;
  transition:transform .2s var(--ease),background-color .2s var(--ease),color .2s var(--ease),box-shadow .2s var(--ease),border-color .2s var(--ease);
  text-align:center;
}
.btn-primary{background:var(--accent-500);color:#fff;box-shadow:0 10px 22px -14px rgba(201,84,42,.9);}
.btn-primary:hover{background:var(--accent-600);color:#fff;transform:translateY(-2px);box-shadow:0 16px 28px -14px rgba(201,84,42,.95);}
.btn-primary:active{transform:translateY(0);box-shadow:0 6px 14px -10px rgba(201,84,42,.9);}
.btn-outline{background:transparent;border-color:var(--brand-600);color:var(--brand-700);}
.btn-outline:hover{background:var(--brand-100);color:var(--brand-900);transform:translateY(-2px);}
.btn-ghost{background:rgba(255,255,255,.12);border-color:rgba(255,255,255,.45);color:#fff;}
.btn-ghost:hover{background:#fff;color:var(--brand-900);transform:translateY(-2px);}
.btn-block{width:100%;}
.link-arrow{display:inline-flex;align-items:center;gap:6px;font-weight:700;font-size:15px;
  border-bottom:1px dashed var(--brand-500);padding-bottom:2px;}
.link-arrow:hover{border-bottom-style:solid;border-bottom-color:var(--accent-600);}

/* ---------- 徽章 / 标签 ---------- */
.pill{display:inline-flex;align-items:center;gap:6px;padding:4px 12px;border-radius:var(--pill);
  font-size:12.5px;font-weight:700;letter-spacing:.04em;line-height:1.7;}
.pill--brand{background:var(--brand-100);color:var(--brand-700);}
.pill--accent{background:var(--accent-100);color:var(--accent-600);}
.pill--line{background:#fff;border:1px solid var(--line);color:var(--ink-2);font-weight:600;}
.pill--ok{background:rgba(47,143,91,.1);color:var(--ok);}
.badge-status{display:inline-flex;align-items:center;gap:6px;font-size:12.5px;font-weight:700;
  color:var(--brand-700);background:var(--brand-100);border-radius:var(--pill);padding:5px 12px;}
.badge-status i{width:7px;height:7px;border-radius:50%;background:var(--ok);display:block;
  box-shadow:0 0 0 3px rgba(47,143,91,.18);}
.countdown-pill{display:inline-flex;align-items:center;gap:6px;height:34px;padding:0 14px;border-radius:var(--pill);
  border:1px solid rgba(232,176,75,.85);color:var(--brand-900);background:#fff;
  font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-variant-numeric:tabular-nums;
  font-size:13.5px;font-weight:700;letter-spacing:.04em;}

/* ---------- 导航 ---------- */
.site-header{position:sticky;top:0;z-index:1040;background:#fff;border-bottom:1px solid var(--line);transition:box-shadow .25s var(--ease);}
.site-header.is-stuck{box-shadow:0 8px 26px -18px rgba(23,32,30,.5);}
.site-nav{height:72px;display:flex;align-items:center;}
.site-nav .container{display:flex;align-items:center;gap:20px;height:100%;max-width:1240px;}
.brand-logo{display:flex;align-items:center;gap:12px;flex:none;}
.brand-mark{width:28px;height:28px;border-radius:9px;background:var(--brand-700);position:relative;flex:none;}
.brand-mark::after{content:"";position:absolute;top:5px;right:5px;width:7px;height:7px;border-radius:50%;background:var(--accent-500);}
.brand-text{display:block;font-size:18px;font-weight:800;color:var(--ink);line-height:1.15;letter-spacing:-.01em;}
.brand-sub{display:block;font-size:11px;letter-spacing:.18em;color:var(--ink-3);line-height:1.4;}
.nav-list{display:flex;align-items:center;gap:4px;margin-left:auto;}
.nav-link{position:relative;display:block;padding:10px 13px;font-size:15px;font-weight:600;color:var(--ink-2);border-radius:8px;}
.nav-link::before{content:"";position:absolute;left:13px;right:13px;bottom:2px;height:2px;background:var(--brand-500);
  transform:scaleX(0);transform-origin:left;transition:transform .22s var(--ease);}
.nav-link:hover{color:var(--brand-700);}
.nav-link:hover::before{transform:scaleX(1);}
.nav-link.active{color:var(--brand-700);font-weight:800;}
.nav-link.active::before{transform:scaleX(1);background:var(--accent-500);}
.nav-actions{display:flex;align-items:center;gap:12px;flex:none;}
.nav-cta{height:44px;padding:0 22px;font-size:14.5px;}
.nav-burger{display:none;width:44px;height:44px;border:1px solid var(--line);background:#fff;border-radius:10px;
  padding:0;flex-direction:column;align-items:center;justify-content:center;gap:4px;cursor:pointer;}
.nav-burger span{display:block;width:20px;height:2px;background:var(--brand-700);border-radius:2px;transition:transform .25s var(--ease),opacity .2s var(--ease);}
body.nav-open .nav-burger span:nth-child(1){transform:translateY(6px) rotate(45deg);}
body.nav-open .nav-burger span:nth-child(2){opacity:0;}
body.nav-open .nav-burger span:nth-child(3){transform:translateY(-6px) rotate(-45deg);}

@media (max-width:991px){
  .site-nav{height:60px;}
  .nav-burger{display:flex;}
  .nav-actions .badge-status,.nav-actions .countdown-pill{display:none;}
  .nav-actions .nav-cta{display:none;}
  .nav-list{position:fixed;top:0;right:0;width:80%;max-width:360px;height:100vh;background:var(--surface);
    flex-direction:column;align-items:stretch;gap:0;padding:80px 20px 140px;margin:0;overflow-y:auto;
    transform:translateX(105%);transition:transform .3s var(--ease);z-index:1045;
    box-shadow:-16px 0 46px -22px rgba(23,32,30,.5);border-left:1px solid var(--line);}
  body.nav-open .nav-list{transform:translateX(0);}
  .nav-link{padding:13px 10px;font-size:16px;border-bottom:1px solid var(--line);border-radius:0;line-height:1.5;}
  .nav-link::before{display:none;}
  .nav-link.active{padding-left:14px;}
  .nav-link.active::after{content:"";position:absolute;left:0;top:14px;bottom:14px;width:3px;background:var(--accent-500);border-radius:3px;}
  body.nav-open::before{content:"";position:fixed;inset:0;background:rgba(10,61,53,.38);z-index:1042;}
  body.nav-open{overflow:hidden;}
}

/* ---------- 面包屑 ---------- */
.crumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13.5px;color:var(--ink-3);margin-bottom:20px;}
.crumb a{color:var(--ink-3);}
.crumb a:hover{color:var(--brand-700);}
.crumb span{color:var(--ink-3);}

/* ---------- Hero ---------- */
.cat-hero{position:relative;background:var(--surface);border-bottom:1px solid var(--line);overflow:hidden;}
.cat-hero::after{content:"";position:absolute;inset:0;
  background-image:url("/assets/images/backpic/back-1.webp");
  background-size:cover;background-position:center;opacity:.07;pointer-events:none;}
.cat-hero .container{position:relative;z-index:2;padding-top:64px;padding-bottom:56px;}
.cat-hero h1{font-size:clamp(26px,4vw,44px);font-weight:700;line-height:1.25;max-width:860px;letter-spacing:-.01em;}
.cat-hero .hero-sub{margin-top:18px;font-size:17px;color:var(--ink-2);max-width:720px;}
.hero-meta{display:flex;flex-wrap:wrap;gap:10px;margin-top:22px;}
.filter-row{display:flex;flex-wrap:wrap;gap:10px;margin-top:32px;padding-top:24px;border-top:1px solid var(--line);}
.filter-chip{display:inline-flex;align-items:center;height:38px;padding:0 18px;border-radius:var(--pill);
  border:1px solid var(--line);background:#fff;color:var(--ink-2);font-size:14px;font-weight:600;cursor:pointer;
  transition:background-color .2s var(--ease),color .2s var(--ease),border-color .2s var(--ease),transform .2s var(--ease);}
.filter-chip:hover{border-color:var(--brand-500);color:var(--brand-700);transform:translateY(-1px);}
.filter-chip.is-active{background:var(--brand-700);border-color:var(--brand-700);color:#fff;}

/* ---------- 板块标题 ---------- */
.section-head{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:44px;}
.section-head .eyebrow{display:inline-block;width:34px;height:3px;background:var(--accent-500);border-radius:2px;margin-bottom:14px;}
.section-head h2{position:relative;padding-left:16px;font-size:clamp(22px,3vw,29px);font-weight:700;line-height:1.35;}
.section-head h2::before{content:"";position:absolute;left:0;top:6px;bottom:6px;width:4px;border-radius:3px;background:var(--brand-600);}
.section-head p{margin-top:12px;padding-left:16px;color:var(--ink-2);font-size:15.5px;max-width:660px;}

/* ---------- 案例错落卡 ---------- */
.case-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:34px 32px;}
.case-card{background:var(--surface);border:1px solid var(--line);border-radius:var(--r-md);overflow:hidden;
  box-shadow:var(--sh-1);transition:transform .24s var(--ease),box-shadow .24s var(--ease);position:relative;
  display:flex;flex-direction:column;}
.case-card:nth-child(even){margin-top:56px;}
.case-card::before{content:"";position:absolute;top:0;left:0;right:0;height:3px;
  background:linear-gradient(90deg,var(--accent-500),var(--gold-500));opacity:0;transition:opacity .24s var(--ease);z-index:3;}
.case-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);}
.case-card:hover::before{opacity:1;}
.case-media{position:relative;aspect-ratio:16/9;overflow:hidden;background:var(--surface-2);}
.case-media img{width:100%;height:100%;object-fit:cover;transition:transform .5s var(--ease);}
.case-card:hover .case-media img{transform:scale(1.04);}
.case-media .pill{position:absolute;left:14px;top:14px;background:rgba(255,255,255,.94);color:var(--brand-700);}
.case-body{padding:24px 26px 26px;display:flex;flex-direction:column;gap:12px;flex:1;}
.case-body h3{font-size:19px;font-weight:700;line-height:1.5;}
.case-body p{font-size:15px;color:var(--ink-2);}
.case-result{display:flex;flex-wrap:wrap;gap:8px;margin-top:auto;padding-top:16px;border-top:1px dashed var(--line);}
.case-result .pill{background:var(--brand-100);color:var(--brand-700);}
.case-result .pill:nth-child(2){background:var(--accent-100);color:var(--accent-600);}

/* ---------- 引语 + 数据 ---------- */
.quote-band{background:var(--brand-900);color:#fff;position:relative;overflow:hidden;}
.quote-band::after{content:"";position:absolute;inset:0;
  background-image:url("/assets/images/backpic/back-3.webp");background-size:cover;background-position:center;opacity:.08;}
.quote-band .container{position:relative;z-index:2;}
.pull-quote{margin:0;border-left:4px solid var(--gold-500);padding:6px 0 6px 26px;
  font-size:clamp(22px,2.6vw,30px);font-weight:600;line-height:1.55;letter-spacing:-.01em;color:#fff;max-width:900px;}
.pull-quote cite{display:block;margin-top:18px;font-size:14px;font-weight:600;font-style:normal;
  letter-spacing:.04em;color:rgba(255,255,255,.72);}
.stat-row{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px;margin-top:56px;
  padding-top:40px;border-top:1px solid rgba(255,255,255,.16);}
.stat-item .stat-num{font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-variant-numeric:tabular-nums;
  font-size:clamp(28px,3.4vw,40px);font-weight:700;color:#fff;letter-spacing:-.02em;line-height:1.2;}
.stat-item .stat-num em{font-style:normal;font-size:.5em;margin-left:4px;color:var(--gold-500);font-weight:700;}
.stat-item .stat-label{margin-top:8px;font-size:14px;color:rgba(255,255,255,.74);}

/* ---------- 三步流程 ---------- */
.step-row{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:26px;}
.step-card{position:relative;background:var(--surface);border:1px solid var(--line);border-radius:var(--r-md);
  padding:28px;box-shadow:var(--sh-1);}
.step-card .step-no{display:inline-flex;align-items:center;justify-content:center;width:52px;height:52px;
  border-radius:50%;background:var(--brand-100);color:var(--brand-700);
  font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-variant-numeric:tabular-nums;font-size:18px;font-weight:700;}
.step-card h3{margin-top:18px;font-size:19px;}
.step-card p{margin-top:8px;font-size:15px;color:var(--ink-2);}
.step-card::after{content:"";position:absolute;top:52px;right:-22px;width:18px;height:1px;background:var(--line);}
.step-card:last-child::after{display:none;}

/* ---------- FAQ ---------- */
.faq-layout{display:grid;grid-template-columns:minmax(0,1fr) 340px;gap:44px;align-items:start;}
.faq-item{background:var(--surface);border:1px solid var(--line);border-radius:var(--r-md);margin-bottom:14px;overflow:hidden;}
.faq-q{width:100%;display:flex;align-items:center;justify-content:space-between;gap:18px;
  background:transparent;border:0;padding:20px 24px;text-align:left;font-size:16.5px;font-weight:600;color:var(--ink);cursor:pointer;}
.faq-q:hover{color:var(--brand-700);}
.faq-icon{flex:none;width:28px;height:28px;border-radius:50%;border:1.5px solid var(--brand-500);color:var(--brand-700);
  display:inline-flex;align-items:center;justify-content:center;font-size:16px;line-height:1;
  transition:transform .22s var(--ease),background-color .22s var(--ease),color .22s var(--ease);}
.faq-item.is-open .faq-icon{transform:rotate(45deg);background:var(--accent-500);border-color:var(--accent-500);color:#fff;}
.faq-a{max-height:0;overflow:hidden;transition:max-height .24s var(--ease);}
.faq-a-inner{padding:0 24px 22px;font-size:15px;color:var(--ink-2);border-top:1px solid var(--line);padding-top:16px;}
.faq-side{background:var(--surface);border:1px solid var(--line);border-radius:var(--r-lg);padding:28px;
  box-shadow:var(--sh-1);position:sticky;top:96px;}
.faq-side h3{font-size:19px;margin-bottom:10px;}
.faq-side p{font-size:14.5px;color:var(--ink-2);}
.faq-side .side-list{margin:20px 0 22px;display:flex;flex-direction:column;gap:10px;}
.faq-side .side-list li{display:flex;gap:10px;font-size:14.5px;color:var(--ink-2);}
.faq-side .side-list li::before{content:"";flex:none;width:7px;height:7px;margin-top:9px;border-radius:2px;background:var(--brand-500);}

/* ---------- CTA ---------- */
.cta-band{background:var(--brand-900);color:#fff;border-radius:var(--r-lg);padding:44px 46px;position:relative;overflow:hidden;
  margin-bottom:96px;}
.cta-band::after{content:"";position:absolute;inset:0;
  background-image:url("/assets/images/backpic/back-2.png");background-size:cover;background-position:center;opacity:.09;}
.cta-band .cta-inner{position:relative;z-index:2;display:flex;flex-wrap:wrap;align-items:center;gap:28px;justify-content:space-between;}
.cta-band h2{color:#fff;font-size:clamp(21px,2.6vw,28px);font-weight:700;line-height:1.4;}
.cta-band p{margin-top:10px;color:rgba(255,255,255,.78);font-size:15px;}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;}
.cta-trust{position:relative;z-index:2;display:flex;flex-wrap:wrap;gap:22px;margin-top:30px;padding-top:22px;
  border-top:1px solid rgba(255,255,255,.16);font-size:13.5px;color:rgba(255,255,255,.8);}
.cta-trust span{display:inline-flex;align-items:center;gap:8px;}
.cta-trust span::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--gold-500);}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--brand-900);color:rgba(255,255,255,.82);padding:64px 0 26px;font-size:14.5px;}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.1fr;gap:36px;}
.footer-brand{display:flex;align-items:center;gap:12px;margin-bottom:16px;}
.footer-brand .brand-mark{background:#fff;}
.footer-brand .brand-text{color:#fff;}
.footer-about{font-size:14.5px;color:rgba(255,255,255,.72);max-width:320px;}
.footer-col h4{color:#fff;font-size:15px;font-weight:700;margin-bottom:16px;letter-spacing:.02em;}
.footer-col ul{display:flex;flex-direction:column;gap:11px;}
.footer-col a{color:rgba(255,255,255,.78);}
.footer-col a:hover{color:var(--accent-100);}
.footer-contact li{display:flex;flex-direction:column;gap:2px;}
.footer-contact span{color:rgba(255,255,255,.6);font-size:13px;}
.footer-contact b{color:#fff;font-weight:600;font-size:14.5px;}
.footer-bottom{margin-top:48px;padding-top:22px;border-top:1px solid rgba(255,255,255,.14);
  display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;font-size:13px;color:rgba(255,255,255,.62);}
.footer-bottom a{color:rgba(255,255,255,.72);}

@media (max-width:1199px){
  .site-nav .container{gap:14px;}
  .nav-link{padding:10px 10px;font-size:14.5px;}
}
@media (max-width:991px){
  .section{padding:60px 0;}
  .case-grid{grid-template-columns:1fr;gap:24px;}
  .case-card:nth-child(even){margin-top:0;}
  .stat-row{grid-template-columns:1fr;gap:28px;}
  .step-row{grid-template-columns:1fr;gap:18px;}
  .step-card::after{display:none;}
  .faq-layout{grid-template-columns:1fr;gap:28px;}
  .faq-side{position:static;}
  .cta-band{padding:34px 26px;margin-bottom:64px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:30px;}
}
@media (max-width:575px){
  .container{padding:0 20px;}
  .cat-hero .container{padding-top:44px;padding-bottom:40px;}
  .cat-hero h1{font-size:26px;}
  .cat-hero .hero-sub{font-size:16px;}
  .filter-chip{height:36px;padding:0 14px;font-size:13.5px;}
  .section-head h2{font-size:22px;}
  .section-head p{font-size:15px;}
  .case-body{padding:20px 20px 22px;}
  .case-body h3{font-size:17.5px;}
  .pull-quote{padding-left:18px;font-size:21px;}
  .btn{height:52px;width:100%;}
  .btn.btn-inline{width:auto;}
  .cta-actions{width:100%;}
  .footer-grid{grid-template-columns:1fr;}
  .footer-bottom{flex-direction:column;}
}

/* roulang page: category4 */
:root{
  --brand-900:#0A3D35;
  --brand-700:#12564A;
  --brand-600:#125E52;
  --brand-500:#1B7A69;
  --brand-100:#DCEAE5;
  --accent-600:#C9542A;
  --accent-500:#E5703C;
  --accent-100:#FDE7DC;
  --gold-500:#E8B04B;
  --bg:#F6F3EC;
  --surface:#FFFFFF;
  --surface-2:#EFEAE0;
  --ink:#17201E;
  --ink-2:#4A5754;
  --ink-3:#8A928E;
  --line:#E2DCD0;
  --ok:#2F8F5B;
  --warn:#D9534F;
  --r-sm:8px;
  --r-md:14px;
  --r-lg:22px;
  --pill:999px;
  --shadow-1:0 1px 2px rgba(23,32,30,.04), 0 8px 24px -16px rgba(23,32,30,.18);
  --shadow-2:0 2px 4px rgba(23,32,30,.06), 0 18px 40px -22px rgba(23,32,30,.30);
  --ease:cubic-bezier(.2,.7,.3,1);
}

*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  font-size:16px;
  line-height:1.85;
  color:var(--ink);
  background:var(--bg);
  background-image:radial-gradient(rgba(23,32,30,.035) 1px, transparent 1px);
  background-size:22px 22px;
}
img{max-width:100%;display:block}
a{color:var(--brand-600);text-decoration:none;transition:color .18s var(--ease)}
a:hover{color:var(--accent-600)}
h1,h2,h3,h4{margin:0;color:var(--ink);letter-spacing:-.01em}
p{margin:0}
ul{margin:0;padding:0;list-style:none}
button{font-family:inherit}
:focus-visible{outline:2px solid var(--accent-500);outline-offset:3px;border-radius:4px}

.container{width:100%;max-width:1200px;margin:0 auto;padding:0 20px}
.section{padding:88px 0}
.section--tight{padding:64px 0}
.section--paper{background:var(--surface)}
.section--soft{background:var(--bg)}

/* ---------- 通用标题 ---------- */
.sec-head{max-width:760px;margin-bottom:40px}
.sec-title{
  position:relative;
  font-size:28px;
  font-weight:700;
  line-height:1.35;
  padding-left:18px;
  margin-bottom:14px;
}
.sec-title::before{
  content:"";
  position:absolute;
  left:0;top:.18em;bottom:.18em;
  width:4px;border-radius:2px;
  background:linear-gradient(180deg,var(--brand-600),var(--brand-500));
}
.sec-title::after{
  content:"";
  position:absolute;left:0;top:-12px;width:22px;height:3px;border-radius:2px;
  background:var(--accent-500);
}
.sec-desc{color:var(--ink-2);font-size:16px;max-width:760px}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12px;font-weight:700;letter-spacing:.08em;
  color:var(--brand-700);background:var(--brand-100);
  padding:6px 14px;border-radius:var(--pill);margin-bottom:16px;
}
.eyebrow i{width:6px;height:6px;border-radius:50%;background:var(--accent-500);display:inline-block}

/* ---------- 按钮 ---------- */
.btn{
  --bs-btn-focus-box-shadow:none;
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  font-size:16px;font-weight:600;line-height:1;
  height:48px;padding:0 26px;border-radius:var(--r-md);
  border:1.5px solid transparent;
  transition:all .2s var(--ease);
  white-space:nowrap;cursor:pointer;
}
.btn-primary{
  background:var(--accent-500);border-color:var(--accent-500);color:#fff;
  box-shadow:0 6px 18px -10px rgba(201,84,42,.85);
}
.btn-primary:hover,.btn-primary:focus,.btn-primary:active{
  background:var(--accent-600)!important;border-color:var(--accent-600)!important;color:#fff!important;
  transform:translateY(-2px);
  box-shadow:0 12px 26px -12px rgba(201,84,42,.95);
}
.btn-outline{
  background:transparent;border-color:var(--brand-500);color:var(--brand-700);
}
.btn-outline:hover,.btn-outline:focus{
  background:var(--brand-100);border-color:var(--brand-500);color:var(--brand-900);transform:translateY(-2px);
}
.btn-ghost{
  background:rgba(255,255,255,.08);border-color:rgba(255,255,255,.5);color:#fff;
}
.btn-ghost:hover{background:#fff;color:var(--brand-900);border-color:#fff;transform:translateY(-2px)}
.link-arrow{
  display:inline-flex;align-items:center;gap:6px;font-weight:600;color:var(--brand-600);
  border-bottom:1px dashed var(--brand-500);padding-bottom:2px;
}
.link-arrow:hover{border-bottom-style:solid;border-color:var(--accent-500);color:var(--accent-600)}

/* ---------- 顶部活动条 ---------- */
.top-bar{
  background:var(--accent-100);color:var(--ink);font-size:13px;
  border-bottom:1px solid rgba(201,84,42,.16);
}
.top-bar .container{display:flex;align-items:center;justify-content:space-between;gap:16px;min-height:32px;height:32px}
.top-bar b{font-weight:700;color:var(--brand-700)}
.top-bar span i{color:var(--accent-600);margin-right:6px}

/* ---------- 导航 ---------- */
.site-header{position:sticky;top:0;z-index:1030;background:var(--surface);border-bottom:1px solid var(--line);transition:box-shadow .24s var(--ease)}
.site-header.is-scrolled{box-shadow:0 10px 30px -22px rgba(23,32,30,.55)}
.navbar{padding:0;background:transparent}
.site-nav .container{
  display:flex;align-items:center;gap:28px;min-height:72px;height:72px;max-width:1200px;
}
.brand-logo{display:flex;align-items:center;gap:12px;flex:0 0 auto}
.brand-mark{
  width:24px;height:24px;border-radius:7px;background:var(--brand-600);position:relative;display:inline-block;flex:0 0 24px;
}
.brand-mark::after{
  content:"";position:absolute;right:-3px;bottom:-3px;width:9px;height:9px;border-radius:50%;
  background:var(--accent-500);border:2px solid var(--surface);
}
.brand-text{display:block;font-size:18px;font-weight:800;letter-spacing:-.02em;color:var(--brand-900);line-height:1.2}
.brand-sub{display:block;font-size:11px;letter-spacing:.12em;color:var(--ink-3);line-height:1.2}
.nav-list{display:flex;align-items:center;gap:6px;margin-left:8px;flex:1 1 auto}
.nav-list .nav-link{
  position:relative;display:inline-flex;align-items:center;height:72px;padding:0 14px;
  font-size:15px;font-weight:600;color:var(--ink-2);background:none;
}
.nav-list .nav-link::after{
  content:"";position:absolute;left:14px;right:14px;bottom:20px;height:2px;border-radius:2px;
  background:var(--accent-500);transform:scaleX(0);transform-origin:left;transition:transform .22s var(--ease);
}
.nav-list .nav-link:hover{color:var(--brand-700)}
.nav-list .nav-link:hover::after{transform:scaleX(1)}
.nav-list .nav-link.active{color:var(--brand-900)}
.nav-list .nav-link.active::after{transform:scaleX(1)}
.nav-actions{display:flex;align-items:center;gap:12px;flex:0 0 auto}
.badge-status{
  display:inline-flex;align-items:center;gap:6px;font-size:12px;font-weight:700;letter-spacing:.04em;
  color:var(--brand-700);background:var(--brand-100);border-radius:var(--pill);padding:5px 12px;
}
.badge-status i{width:6px;height:6px;border-radius:50%;background:var(--ok);display:inline-block;animation:pulse 1.8s infinite}
@keyframes pulse{0%,100%{opacity:1}50%{opacity:.35}}
.countdown-pill{
  font-family:ui-monospace,SFMono-Regular,Menlo,monospace;
  font-variant-numeric:tabular-nums;
  font-size:13px;font-weight:700;color:var(--brand-900);
  border:1.5px solid var(--gold-500);border-radius:var(--pill);
  padding:5px 12px;background:#fff;
}
.nav-cta{height:42px;padding:0 20px;border-radius:12px;font-size:15px}
.nav-burger{
  display:none;width:44px;height:44px;border:1px solid var(--line);border-radius:12px;background:#fff;
  align-items:center;justify-content:center;flex-direction:column;gap:4px;
}
.nav-burger span{display:block;width:18px;height:2px;border-radius:2px;background:var(--brand-700)}

/* 抽屉 */
.nav-drawer{
  position:fixed;top:0;right:0;bottom:0;width:80%;max-width:360px;background:var(--surface);
  z-index:1060;transform:translateX(105%);transition:transform .3s var(--ease);
  display:flex;flex-direction:column;box-shadow:-18px 0 40px -24px rgba(23,32,30,.5);
}
.nav-drawer.is-open{transform:translateX(0)}
.drawer-top{display:flex;align-items:center;justify-content:space-between;padding:16px 20px;border-bottom:1px solid var(--line)}
.drawer-close{width:40px;height:40px;border:1px solid var(--line);background:#fff;border-radius:12px;font-size:22px;line-height:1;color:var(--ink-2)}
.drawer-list{padding:8px 0;flex:1 1 auto;overflow:auto}
.drawer-list a{display:flex;align-items:center;height:44px;padding:0 20px;font-size:16px;font-weight:600;color:var(--ink-2);border-left:3px solid transparent}
.drawer-list a:hover,.drawer-list a.active{color:var(--brand-900);background:var(--brand-100);border-left-color:var(--accent-500)}
.drawer-foot{padding:16px 20px;border-top:1px solid var(--line);background:var(--surface-2)}
.drawer-foot .btn{width:100%;height:52px}
.drawer-mask{position:fixed;inset:0;background:rgba(10,61,53,.42);opacity:0;visibility:hidden;transition:.24s;z-index:1050}
.drawer-mask.is-open{opacity:1;visibility:visible}

/* ---------- 面包屑 ---------- */
.breadcrumb-wrap{background:var(--surface);border-bottom:1px solid var(--line)}
.breadcrumb{
  --bs-breadcrumb-divider:'›';
  background:transparent;padding:14px 0;margin:0;font-size:13px;
}
.breadcrumb a{color:var(--ink-3)}
.breadcrumb a:hover{color:var(--brand-600)}
.breadcrumb .active{color:var(--ink-2)}
.breadcrumb-item+.breadcrumb-item::before{color:var(--ink-3)}

/* ---------- Hero ---------- */
.help-hero{
  background:var(--surface);
  padding:64px 0 56px;
  border-bottom:1px solid var(--line);
  position:relative;overflow:hidden;
}
.help-hero::before{
  content:"";position:absolute;right:-120px;top:-120px;width:420px;height:420px;border-radius:50%;
  background:radial-gradient(circle at center, rgba(27,122,105,.10), rgba(27,122,105,0) 68%);
}
.help-hero .container{position:relative;z-index:2;max-width:920px}
.help-hero h1{
  font-size:42px;font-weight:700;line-height:1.25;letter-spacing:-.01em;margin-bottom:16px;
}
.help-hero h1 em{font-style:normal;color:var(--brand-600)}
.help-hero .lead{font-size:17px;color:var(--ink-2);max-width:760px;margin-bottom:28px}
.search-shell{
  display:flex;align-items:center;gap:10px;background:var(--bg);
  border:1.5px solid var(--line);border-radius:var(--r-md);
  padding:8px 8px 8px 18px;max-width:640px;transition:.2s var(--ease);
}
.search-shell:focus-within{border-color:var(--brand-500);box-shadow:0 0 0 3px var(--brand-100)}
.search-shell i{color:var(--ink-3)}
.search-shell input{
  flex:1 1 auto;border:0;background:transparent;height:44px;font-size:16px;color:var(--ink);outline:none;min-width:0;
}
.search-shell input::placeholder{color:var(--ink-3)}
.search-shell .btn{height:44px;padding:0 22px;border-radius:var(--r-sm)}
.quick-tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:22px;align-items:center}
.quick-tags span{font-size:13px;color:var(--ink-3);font-weight:600}
.tag-pill{
  display:inline-flex;align-items:center;height:32px;padding:0 14px;border-radius:var(--pill);
  font-size:13px;font-weight:600;color:var(--brand-700);background:var(--surface-2);border:1px solid var(--line);
  transition:.18s var(--ease);
}
.tag-pill:hover{background:var(--brand-100);border-color:var(--brand-100);color:var(--brand-900);transform:translateY(-2px)}

/* ---------- 快速定位卡 ---------- */
.topic-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.topic-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-md);
  padding:26px 24px;box-shadow:var(--shadow-1);position:relative;overflow:hidden;
  transition:.22s var(--ease);height:100%;
}
.topic-card::before{
  content:"";position:absolute;left:0;right:0;top:0;height:3px;
  background:linear-gradient(90deg,var(--accent-500),var(--gold-500));
  transform:scaleX(0);transform-origin:left;transition:transform .24s var(--ease);
}
.topic-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-2);border-color:#D6CFC0}
.topic-card:hover::before{transform:scaleX(1)}
.topic-ico{
  width:44px;height:44px;border-radius:12px;background:var(--brand-100);color:var(--brand-700);
  display:inline-flex;align-items:center;justify-content:center;font-size:18px;margin-bottom:16px;
}
.topic-card h3{font-size:18px;font-weight:600;margin-bottom:8px}
.topic-card p{font-size:14.5px;color:var(--ink-2);line-height:1.75;margin-bottom:14px}
.topic-card .link-arrow{font-size:14px}

/* ---------- FAQ ---------- */
.faq-toolbar{display:flex;flex-wrap:wrap;gap:12px;align-items:center;justify-content:space-between;margin-bottom:28px}
.faq-hint{font-size:14px;color:var(--ink-3)}
.faq-col{display:flex;flex-direction:column;gap:14px}
.faq-item{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-md);
  box-shadow:var(--shadow-1);overflow:hidden;transition:.2s var(--ease);
}
.faq-item:hover{border-color:#D6CFC0;box-shadow:var(--shadow-2)}
.faq-q{margin:0}
.faq-btn{
  width:100%;display:flex;align-items:flex-start;justify-content:space-between;gap:16px;
  background:transparent;border:0;text-align:left;padding:20px 22px;
  font-size:16px;font-weight:600;color:var(--ink);line-height:1.6;cursor:pointer;
  transition:color .18s var(--ease);
}
.faq-btn:hover{color:var(--brand-700)}
.faq-btn:not(.collapsed){color:var(--brand-900)}
.faq-icon{
  position:relative;flex:0 0 28px;width:28px;height:28px;border-radius:50%;
  border:1.5px solid var(--brand-500);transition:.24s var(--ease);margin-top:2px;
}
.faq-icon::before,.faq-icon::after{
  content:"";position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);
  background:var(--brand-600);border-radius:2px;transition:.24s var(--ease);
}
.faq-icon::before{width:12px;height:2px}
.faq-icon::after{width:2px;height:12px}
.faq-btn:not(.collapsed) .faq-icon{background:var(--accent-500);border-color:var(--accent-500);transform:rotate(45deg)}
.faq-btn:not(.collapsed) .faq-icon::before,
.faq-btn:not(.collapsed) .faq-icon::after{background:#fff}
.faq-a{
  padding:0 22px 22px;border-top:1px solid var(--line);margin-top:0;
  font-size:15.5px;color:var(--ink-2);line-height:1.85;padding-top:16px;
}
.faq-a strong{color:var(--brand-700);font-weight:600}
.faq-empty{
  text-align:center;padding:48px 20px;border:1px dashed var(--line);border-radius:var(--r-md);
  background:var(--surface);color:var(--ink-3);
}
.faq-empty i{display:block;font-size:26px;margin-bottom:12px;color:var(--brand-500)}

/* ---------- 支持与受理 ---------- */
.support-grid{display:grid;grid-template-columns:5fr 7fr;gap:28px;align-items:stretch}
.support-visual{
  position:relative;border-radius:var(--r-lg);overflow:hidden;border:1px solid var(--line);
  box-shadow:var(--shadow-1);background:var(--surface-2);min-height:300px;
}
.support-visual img{width:100%;height:100%;object-fit:cover;aspect-ratio:4/3}
.support-visual .visual-badge{
  position:absolute;left:18px;top:18px;display:inline-flex;align-items:center;gap:6px;
  background:rgba(255,255,255,.94);border-radius:var(--pill);padding:6px 14px;
  font-size:12px;font-weight:700;letter-spacing:.04em;color:var(--brand-700);
  border:1px solid var(--gold-500);
}
.support-visual .visual-badge i{color:var(--gold-500)}
.contact-cards{display:grid;grid-template-columns:1fr 1fr;gap:20px}
.contact-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-md);
  padding:26px 24px;box-shadow:var(--shadow-1);display:flex;flex-direction:column;gap:10px;
  transition:.22s var(--ease);height:100%;
}
.contact-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-2)}
.contact-card .topic-ico{margin-bottom:6px}
.contact-card h3{font-size:18px;font-weight:600}
.contact-card p{font-size:14.5px;color:var(--ink-2);line-height:1.75}
.contact-meta{margin-top:auto;padding-top:14px;border-top:1px solid var(--line);font-size:13.5px;color:var(--ink-3)}
.contact-meta b{color:var(--brand-700);font-weight:700}

/* ---------- 条款长文 ---------- */
.article-body{max-width:800px;margin:0 auto}
.article-body h2{
  position:relative;font-size:24px;font-weight:700;line-height:1.4;
  padding-left:16px;margin:44px 0 16px;
}
.article-body h2::before{
  content:"";position:absolute;left:0;top:.2em;bottom:.2em;width:4px;border-radius:2px;background:var(--brand-500);
}
.article-body h2:first-of-type{margin-top:0}
.article-body h3{font-size:18px;font-weight:600;margin:26px 0 10px}
.article-body p{margin:0 0 1.5em;font-size:16px;color:var(--ink-2);line-height:1.85}
.article-body strong{color:var(--ink);font-weight:600}
.article-body ul{margin:0 0 1.5em;display:flex;flex-direction:column;gap:10px}
.article-body ul li{position:relative;padding-left:20px;font-size:15.5px;color:var(--ink-2);line-height:1.8}
.article-body ul li::before{
  content:"";position:absolute;left:0;top:.72em;width:7px;height:7px;border-radius:2px;background:var(--brand-500);
}
.policy-meta{
  display:flex;flex-wrap:wrap;gap:10px 20px;align-items:center;
  padding:16px 20px;background:var(--surface-2);border-radius:var(--r-md);
  font-size:13.5px;color:var(--ink-3);margin-bottom:36px;
}
.policy-meta b{color:var(--brand-700)}

/* ---------- CTA ---------- */
.cta-band{
  background:var(--brand-900);color:#fff;border-radius:var(--r-lg);
  padding:44px 44px;display:flex;align-items:center;justify-content:space-between;gap:32px;
  position:relative;overflow:hidden;
}
.cta-band::after{
  content:"";position:absolute;inset:0;
  background-image:repeating-linear-gradient(135deg, rgba(255,255,255,.05) 0 2px, transparent 2px 12px);
  pointer-events:none;
}
.cta-band .cta-copy{position:relative;z-index:2;max-width:640px}
.cta-band h2{color:#fff;font-size:26px;font-weight:700;margin-bottom:10px}
.cta-band p{color:rgba(255,255,255,.78);font-size:15px;margin:0}
.cta-actions{position:relative;z-index:2;display:flex;gap:12px;flex-wrap:wrap;flex:0 0 auto}
.cta-trust{display:flex;flex-wrap:wrap;gap:20px;margin-top:24px;justify-content:center}
.cta-trust li{display:inline-flex;align-items:center;gap:8px;font-size:13.5px;color:var(--ink-2)}
.cta-trust i{color:var(--brand-500)}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--brand-900);color:rgba(255,255,255,.78);padding:64px 0 26px;margin-top:0}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:36px;padding-bottom:36px;border-bottom:1px solid rgba(255,255,255,.14)}
.footer-brand{display:flex;align-items:center;gap:12px;margin-bottom:16px}
.site-footer .brand-text{color:#fff;font-size:18px;font-weight:800}
.site-footer .brand-sub{color:rgba(255,255,255,.55)}
.site-footer .brand-mark::after{border-color:var(--brand-900)}
.footer-about{font-size:14.5px;line-height:1.85;color:rgba(255,255,255,.7);max-width:320px}
.footer-col h4{color:#fff;font-size:15px;font-weight:700;margin-bottom:16px;letter-spacing:.02em}
.footer-col ul{display:flex;flex-direction:column;gap:10px}
.footer-col a{color:rgba(255,255,255,.74);font-size:14.5px}
.footer-col a:hover{color:var(--accent-100)}
.footer-contact li{display:flex;flex-direction:column;gap:2px;font-size:14px;color:rgba(255,255,255,.6)}
.footer-contact b{color:#fff;font-weight:600;font-size:14.5px}
.footer-bottom{display:flex;flex-wrap:wrap;gap:10px 24px;justify-content:space-between;padding-top:22px;font-size:13px;color:rgba(255,255,255,.55)}
.footer-bottom a{color:rgba(255,255,255,.7)}
.footer-bottom a:hover{color:var(--accent-100)}

/* ---------- 响应式 ---------- */
@media (max-width:1199.98px){
  .nav-list .nav-link{padding:0 10px;font-size:14.5px}
  .topic-grid{grid-template-columns:repeat(2,1fr)}
}
@media (max-width:991.98px){
  .nav-list,.nav-actions .badge-status,.nav-actions .countdown-pill,.nav-actions .nav-cta{display:none}
  .nav-burger{display:flex}
  .site-nav .container{min-height:60px;height:60px;gap:16px}
  .nav-list .nav-link{height:60px}
  .help-hero{padding:48px 0 44px}
  .help-hero h1{font-size:30px}
  .section{padding:64px 0}
  .section--tight{padding:52px 0}
  .support-grid{grid-template-columns:1fr}
  .support-visual{min-height:220px}
  .cta-band{flex-direction:column;align-items:flex-start;padding:34px 28px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px}
}
@media (max-width:575.98px){
  body{font-size:16px}
  .container{padding:0 20px}
  .section{padding:52px 0}
  .section--tight{padding:44px 0}
  .help-hero h1{font-size:26px}
  .help-hero .lead{font-size:16px}
  .sec-title{font-size:23px}
  .search-shell{flex-direction:column;align-items:stretch;padding:12px}
  .search-shell .btn{width:100%;height:48px}
  .topic-grid{grid-template-columns:1fr}
  .contact-cards{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr}
  .cta-band{padding:28px 22px;border-radius:var(--r-md)}
  .cta-band h2{font-size:22px}
  .cta-actions{width:100%}
  .cta-actions .btn{width:100%}
  .article-body h2{font-size:21px}
  .breadcrumb{font-size:12.5px}
}