/* roulang page: index */
:root{
  --brand-900:#0A2E29;
  --brand-700:#0E4239;
  --brand-500:#14695A;
  --brand-100:rgba(20,105,90,.08);
  --accent-500:#F0672A;
  --accent-600:#D9551E;
  --accent-100:rgba(240,103,42,.10);
  --paper:#F7F4EF;
  --paper-2:#EFEAE1;
  --ink:#14171A;
  --ink-70:rgba(20,23,26,.72);
  --ink-55:rgba(20,23,26,.55);
  --line:#E2DCD1;
  --muted:#B9B2A6;
  --radius-card:16px;
  --radius-img:16px;
  --radius-input:12px;
  --shadow-1:0 1px 2px rgba(20,23,26,.04);
  --shadow-2:0 12px 32px -12px rgba(10,46,41,.18);
  --shadow-3:0 18px 44px -14px rgba(10,46,41,.28);
  --ease:cubic-bezier(.22,.61,.36,1);
  --t:220ms;
  --bs-body-font-family:"PingFang SC","HarmonyOS Sans SC","Noto Sans SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  --bs-body-color:#14171A;
  --bs-body-bg:#F7F4EF;
  --bs-primary:#0E4239;
  --bs-primary-rgb:14,66,57;
  --bs-border-radius:16px;
  --bs-link-color:#0E4239;
  --bs-link-hover-color:#F0672A;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:var(--bs-body-font-family);
  font-size:1rem;
  line-height:1.85;
  color:var(--ink);
  background:var(--paper);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:var(--brand-700);text-decoration:none;transition:color var(--t) var(--ease)}
a:hover{color:var(--accent-500)}
button,input,select,textarea{font-family:inherit;font-size:inherit}
h1,h2,h3,h4,h5{margin:0;color:var(--ink);letter-spacing:-.01em}
p{margin:0}
ul{margin:0;padding:0;list-style:none}
:focus-visible{outline:2px solid var(--accent-500);outline-offset:3px;border-radius:4px}
.tnum{font-variant-numeric:tabular-nums}

.container{width:100%;max-width:1200px;padding-left:20px;padding-right:20px;margin:0 auto}
@media (min-width:1400px){.container{max-width:1280px}}

/* ============ 通用排版 ============ */
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:.8125rem;letter-spacing:.18em;text-transform:uppercase;
  color:var(--accent-500);font-weight:600;margin-bottom:16px;
}
.eyebrow::before{content:"";width:16px;height:2px;background:var(--accent-500);display:block}
.sec{padding:96px 0}
.sec-tight{padding:72px 0}
.sec-head{margin-bottom:44px;max-width:720px}
.sec-head h2{font-size:clamp(1.5rem,2.6vw,2.5rem);line-height:1.2;font-weight:700;margin-bottom:14px}
.sec-head p{color:var(--ink-70);font-size:1rem}
.sec-head-wide{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;max-width:none;flex-wrap:wrap}
.text-link{display:inline-flex;align-items:center;gap:6px;font-weight:600;font-size:.9375rem;color:var(--brand-700);position:relative}
.text-link::after{content:"";position:absolute;left:0;bottom:-3px;height:1px;width:0;background:currentColor;transition:width var(--t) var(--ease)}
.text-link:hover::after{width:100%}

/* ============ 按钮 ============ */
.btn{position:relative;border-radius:999px;font-weight:600;letter-spacing:.01em;padding:12px 24px;border:1px solid transparent;transition:all var(--t) var(--ease);min-height:44px;display:inline-flex;align-items:center;justify-content:center;gap:8px}
.btn-accent{background:var(--accent-500);color:#fff;box-shadow:0 8px 20px -10px rgba(240,103,42,.6)}
.btn-accent:hover,.btn-accent:focus{background:var(--accent-600);color:#fff;transform:translateY(-2px);box-shadow:0 14px 28px -12px rgba(240,103,42,.7)}
.btn-brand{background:var(--brand-700);color:#fff}
.btn-brand:hover,.btn-brand:focus{background:var(--brand-900);color:#fff;transform:translateY(-2px)}
.btn-ghost{background:transparent;color:var(--brand-900);border-color:var(--line)}
.btn-ghost:hover,.btn-ghost:focus{border-color:var(--brand-500);color:var(--brand-700);background:var(--brand-100)}
.btn-sm{padding:8px 18px;font-size:.9375rem;min-height:40px}

/* ============ 徽章 & 标签 ============ */
.tag{
  display:inline-flex;align-items:center;gap:6px;
  font-size:.75rem;letter-spacing:.06em;font-weight:600;
  padding:4px 12px;border-radius:6px;border:1px solid var(--line);
  color:var(--ink-70);background:#fff;
}
.tag-accent{border-color:rgba(240,103,42,.4);color:var(--accent-600);background:var(--accent-100)}
.tag-brand{border-color:rgba(20,105,90,.35);color:var(--brand-700);background:var(--brand-100)}
.tag-solid{background:var(--accent-500);color:#fff;border-color:var(--accent-500)}

/* ============ 头部 ============ */
.site-header{position:relative;z-index:1040;background:var(--paper)}
.brandbar{border-bottom:1px solid var(--line)}
.brandbar-inner{display:flex;align-items:center;justify-content:space-between;gap:20px;height:68px}
.brand{display:flex;align-items:center;gap:12px;color:var(--ink)}
.brand:hover{color:var(--ink)}
.brand-mark{
  width:40px;height:40px;border-radius:10px;flex:none;
  background:var(--brand-700);display:flex;align-items:center;justify-content:center;
  color:#fff;font-weight:800;font-size:1.0625rem;letter-spacing:-.03em;
}
.brand-text{display:flex;flex-direction:column;line-height:1.25}
.brand-text strong{font-size:1.125rem;font-weight:800;letter-spacing:-.02em}
.brand-text em{font-style:normal;font-size:.75rem;color:var(--ink-55);letter-spacing:.02em}
.brand-actions{display:flex;align-items:center;gap:12px}
.search-box{display:flex;align-items:center;border:1px solid var(--line);border-radius:999px;background:#fff;padding:4px 4px 4px 16px;transition:border-color var(--t) var(--ease)}
.search-box:focus-within{border-color:var(--brand-500)}
.search-box input{border:0;outline:0;background:transparent;width:200px;font-size:.9375rem;color:var(--ink)}
.search-box input::placeholder{color:var(--muted)}
.search-box button{border:0;background:var(--brand-700);color:#fff;width:36px;height:36px;border-radius:50%;display:flex;align-items:center;justify-content:center;cursor:pointer;transition:background var(--t) var(--ease)}
.search-box button:hover{background:var(--accent-500)}
.icon-btn{display:none;width:44px;height:44px;border:1px solid var(--line);border-radius:12px;background:#fff;align-items:center;justify-content:center;cursor:pointer;color:var(--brand-900)}
.channelbar{position:sticky;top:0;z-index:1035;background:rgba(247,244,239,.96);backdrop-filter:blur(8px);border-bottom:1px solid var(--line)}
.channels{display:flex;align-items:center;gap:8px;height:52px;overflow-x:auto;scroll-snap-type:x proximity;-ms-overflow-style:none;scrollbar-width:none}
.channels::-webkit-scrollbar{display:none}
.channel{
  flex:none;scroll-snap-align:start;display:inline-flex;align-items:center;
  padding:8px 20px;border-radius:999px;font-size:.9375rem;font-weight:600;
  color:var(--ink-70);white-space:nowrap;transition:all var(--t) var(--ease);min-height:38px;
}
.channel:hover{color:var(--brand-700);background:var(--brand-100)}
.channel.is-active{background:var(--brand-700);color:#fff}
.channel.is-active:hover{background:var(--brand-900);color:#fff}

/* 移动抽屉 */
.drawer-mask{position:fixed;inset:0;background:rgba(10,46,41,.42);opacity:0;visibility:hidden;transition:all var(--t) var(--ease);z-index:1050}
.drawer-mask.show{opacity:1;visibility:visible}
.mobile-drawer{
  position:fixed;top:0;right:0;bottom:0;width:min(86vw,340px);background:var(--paper);
  z-index:1060;transform:translateX(102%);transition:transform 280ms var(--ease);
  padding:20px;overflow-y:auto;display:flex;flex-direction:column;gap:20px;
}
.mobile-drawer.show{transform:translateX(0)}
.drawer-head{display:flex;align-items:center;justify-content:space-between}
.drawer-close{width:44px;height:44px;border:1px solid var(--line);border-radius:12px;background:#fff;cursor:pointer;color:var(--brand-900)}
.drawer-nav{display:flex;flex-direction:column;gap:6px}
.drawer-nav a{padding:13px 16px;border-radius:12px;font-weight:600;color:var(--ink);border:1px solid transparent}
.drawer-nav a.is-active{background:var(--brand-700);color:#fff}
.drawer-nav a:hover{border-color:var(--line);color:var(--brand-700)}
.drawer-search{display:flex;border:1px solid var(--line);border-radius:var(--radius-input);background:#fff;overflow:hidden}
.drawer-search input{flex:1;border:0;outline:0;padding:12px 14px;background:transparent}
.drawer-search button{border:0;background:var(--brand-700);color:#fff;padding:0 18px;cursor:pointer}

/* ============ Hero ============ */
.hero{position:relative;padding:72px 0 88px;overflow:hidden;background:linear-gradient(180deg,var(--paper) 0%,var(--paper-2) 100%)}
.hero::before{
  content:"";position:absolute;inset:0;pointer-events:none;opacity:.5;
  background-image:linear-gradient(var(--line) 1px,transparent 1px),linear-gradient(90deg,var(--line) 1px,transparent 1px);
  background-size:64px 64px;
  -webkit-mask-image:radial-gradient(ellipse at 78% 22%,#000 0%,transparent 68%);
  mask-image:radial-gradient(ellipse at 78% 22%,#000 0%,transparent 68%);
}
.hero .container{position:relative;z-index:1}
.hero-title{font-size:clamp(2.25rem,5.2vw,4.25rem);line-height:1.08;font-weight:800;letter-spacing:-.02em;margin-bottom:22px}
.hero-sub{font-size:1.0625rem;line-height:1.85;color:var(--ink-70);max-width:540px;margin-bottom:32px}
.hero-cta{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:44px}
.hero-stats{display:flex;flex-wrap:wrap;gap:40px;padding-top:28px;border-top:1px solid var(--line)}
.hero-stats .stat strong{display:block;font-size:1.75rem;font-weight:700;color:var(--brand-900);letter-spacing:-.02em;font-variant-numeric:tabular-nums}
.hero-stats .stat span{font-size:.875rem;color:var(--ink-55)}
.hero-media{position:relative;border-radius:20px;overflow:hidden;background:var(--paper-2);box-shadow:var(--shadow-2)}
.hero-media img{width:100%;aspect-ratio:3/2;object-fit:cover}
.float-card{
  position:absolute;left:18px;bottom:18px;background:rgba(255,255,255,.96);
  border:1px solid var(--line);border-radius:14px;padding:14px 18px;
  box-shadow:var(--shadow-2);animation:floaty 4.4s ease-in-out infinite;
  display:flex;align-items:center;gap:12px;
}
@keyframes floaty{0%,100%{transform:translateY(0)}50%{transform:translateY(-6px)}}
.float-card .fc-num{font-size:1.375rem;font-weight:800;color:var(--brand-700);font-variant-numeric:tabular-nums;line-height:1}
.float-card .fc-txt{font-size:.8125rem;color:var(--ink-70);line-height:1.5}
.float-card .fc-txt b{display:block;color:var(--ink);font-size:.9375rem}

/* ============ 阶梯 ============ */
.tiers-wrap{position:relative;padding-bottom:40px}
.tiers-wrap::before{
  content:"";position:absolute;left:0;right:0;top:52px;height:0;
  border-top:1px dashed var(--line);
}
.tiers{display:grid;grid-template-columns:repeat(4,1fr);gap:22px;align-items:start;position:relative}
.tier{
  position:relative;background:#fff;border:1px solid var(--line);border-radius:var(--radius-card);
  padding:24px;box-shadow:var(--shadow-1);transition:all var(--t) var(--ease);
}
.tier::before{content:"";position:absolute;left:24px;top:-34px;width:10px;height:10px;background:var(--paper);border:2px solid var(--brand-500);border-radius:2px}
.tier:hover{transform:translateY(-3px);box-shadow:var(--shadow-3);border-color:var(--brand-500)}
.tier:nth-child(1){margin-top:0}
.tier:nth-child(2){margin-top:12px}
.tier:nth-child(3){margin-top:24px}
.tier:nth-child(4){margin-top:36px}
.tier-lv{font-size:.75rem;letter-spacing:.14em;color:var(--ink-55);font-weight:600;text-transform:uppercase}
.tier h3{font-size:1.25rem;font-weight:700;margin:6px 0 10px}
.tier .cond{font-size:.875rem;color:var(--ink-70);padding-bottom:14px;border-bottom:1px solid var(--line);margin-bottom:14px}
.tier ul li{position:relative;padding-left:18px;font-size:.9375rem;color:var(--ink-70);margin-bottom:8px}
.tier ul li::before{content:"";position:absolute;left:0;top:.72em;width:6px;height:6px;background:var(--accent-500);border-radius:1px}
.tier .tier-foot{margin-top:16px;display:flex;align-items:center;justify-content:space-between;gap:10px}
.tier.is-locked{background:var(--paper-2)}
.tier.is-locked::before{border-color:var(--muted)}
.tier.is-locked ul li::before{background:var(--muted)}

/* ============ 对比矩阵 ============ */
.matrix-shell{border:1px solid var(--line);border-radius:var(--radius-card);overflow:hidden;background:#fff;box-shadow:var(--shadow-1)}
table.matrix{width:100%;border-collapse:collapse;font-size:.9375rem}
table.matrix th,table.matrix td{padding:18px 20px;text-align:center;border-bottom:1px solid var(--line)}
table.matrix thead th{background:var(--paper-2);font-weight:700;color:var(--ink);position:relative;vertical-align:top}
table.matrix thead th:first-child{text-align:left;background:var(--paper-2);z-index:2}
table.matrix tbody th{
  text-align:left;font-weight:600;color:var(--ink-70);background:#fff;position:sticky;left:0;
  box-shadow:1px 0 0 var(--line);min-width:170px;
}
table.matrix tbody tr:hover th,table.matrix tbody tr:hover td{background:var(--brand-100)}
table.matrix tbody tr:last-child th,table.matrix tbody tr:last-child td{border-bottom:0}
.col-head .plan{display:block;font-size:1.0625rem;font-weight:700}
.col-head .plan-price{display:block;font-size:.8125rem;color:var(--ink-55);font-weight:500;margin-top:4px}
.col-head .corner{position:absolute;top:0;right:0;background:var(--accent-500);color:#fff;font-size:.6875rem;letter-spacing:.06em;padding:3px 10px;border-bottom-left-radius:10px}
.col-head.is-rec{background:rgba(20,105,90,.10)}
.mark-yes{color:var(--brand-500);font-weight:800;font-size:1.0625rem}
.mark-no{color:var(--muted)}
.matrix-mobile{display:none;gap:18px}
.plan-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius-card);padding:22px;box-shadow:var(--shadow-1)}
.plan-card h3{font-size:1.125rem;font-weight:700;display:flex;align-items:center;gap:8px;margin-bottom:6px}
.plan-card .spec{display:flex;justify-content:space-between;gap:12px;padding:10px 0;border-bottom:1px dashed var(--line);font-size:.9375rem;color:var(--ink-70)}
.plan-card .spec b{color:var(--ink);font-weight:600}
.plan-card .btn{margin-top:18px;width:100%}

/* ============ 限时入口 ============ */
.band{
  position:relative;background:var(--brand-900);border-radius:24px;overflow:hidden;
  padding:48px 44px;color:#fff;display:flex;align-items:center;justify-content:space-between;gap:36px;flex-wrap:wrap;
}
.band::after{
  content:"";position:absolute;inset:0;pointer-events:none;opacity:.06;
  background-image:radial-gradient(#fff 1px,transparent 1px);background-size:18px 18px;
}
.band-bg{position:absolute;inset:0;object-fit:cover;width:100%;height:100%;opacity:.22;z-index:0}
.band > *{position:relative;z-index:1}
.band h2{color:#fff;font-size:clamp(1.375rem,2.4vw,2rem);font-weight:700;margin-bottom:10px}
.band p{color:rgba(255,255,255,.72);font-size:.9375rem}
.countdown{display:flex;gap:12px;margin-top:22px;flex-wrap:wrap}
.cd-block{
  min-width:78px;padding:12px 8px;text-align:center;border:1px solid rgba(255,255,255,.28);
  border-radius:10px;background:rgba(255,255,255,.04);
}
.cd-block strong{display:block;font-size:1.75rem;font-weight:700;font-variant-numeric:tabular-nums;line-height:1.1}
.cd-block span{font-size:.75rem;color:rgba(255,255,255,.6);letter-spacing:.08em}

/* ============ 服务承诺 ============ */
.promise{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:var(--line);border:1px solid var(--line);border-radius:var(--radius-card);overflow:hidden}
.promise-item{background:#fff;padding:26px 22px;transition:background var(--t) var(--ease)}
.promise-item:hover{background:var(--paper-2)}
.promise-item b{display:block;font-size:1.0625rem;margin-bottom:8px}
.promise-item span{font-size:.9375rem;color:var(--ink-70)}
.promise-item i{
  display:flex;align-items:center;justify-content:center;width:34px;height:34px;border-radius:9px;
  background:var(--brand-100);color:var(--brand-700);font-style:normal;font-weight:700;margin-bottom:14px;font-size:.9375rem;
}

/* ============ 资讯列表 ============ */
.news-main{display:grid;grid-template-columns:1.15fr 1fr;gap:32px;align-items:start}
.news-lead{background:#fff;border:1px solid var(--line);border-radius:var(--radius-card);overflow:hidden;box-shadow:var(--shadow-1);transition:all var(--t) var(--ease);display:block;color:inherit}
.news-lead:hover{transform:translateY(-2px);box-shadow:var(--shadow-3);border-color:var(--brand-500);color:inherit}
.news-lead .thumb{overflow:hidden;background:var(--paper-2)}
.news-lead .thumb img{width:100%;aspect-ratio:16/10;object-fit:cover;transition:transform 420ms var(--ease)}
.news-lead:hover .thumb img{transform:scale(1.03)}
.news-lead .body{padding:24px}
.news-lead h3{font-size:1.25rem;font-weight:700;line-height:1.5;margin:12px 0 10px}
.news-lead p{color:var(--ink-70);font-size:.9375rem;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;margin-bottom:14px}
.news-lead .meta{font-size:.8125rem;color:var(--ink-55);font-variant-numeric:tabular-nums}
.news-list{display:flex;flex-direction:column;background:#fff;border:1px solid var(--line);border-radius:var(--radius-card);overflow:hidden;box-shadow:var(--shadow-1)}
.news-row{display:flex;align-items:center;gap:16px;padding:18px 22px;border-bottom:1px solid var(--line);color:inherit;transition:background var(--t) var(--ease)}
.news-row:last-child{border-bottom:0}
.news-row:hover{background:var(--paper-2);color:inherit}
.news-row .date{font-size:.8125rem;color:var(--ink-55);font-variant-numeric:tabular-nums;flex:none;width:92px}
.news-row .txt{flex:1;min-width:0}
.news-row .txt strong{display:block;font-size:.9375rem;font-weight:600;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.news-row .txt span{display:block;font-size:.8125rem;color:var(--ink-55);white-space:nowrap;overflow:hidden;text-overflow:ellipsis;margin-top:2px}
.news-empty{padding:56px 24px;text-align:center;color:var(--ink-55);border:1px dashed var(--line);border-radius:var(--radius-card);background:#fff}
.news-empty b{display:block;color:var(--ink);font-size:1rem;margin-bottom:6px}

/* ============ FAQ ============ */
.faq-list{border-top:1px solid var(--line)}
.faq-item{border-bottom:1px solid var(--line);display:flex;gap:22px;padding:6px 0}
.faq-item .no{font-size:.875rem;font-weight:700;color:var(--accent-500);padding-top:20px;flex:none;width:32px;font-variant-numeric:tabular-nums}
.faq-item .content{flex:1;min-width:0}
.faq-item .q{
  width:100%;background:none;border:0;padding:18px 44px 18px 0;text-align:left;
  font-size:1.0625rem;font-weight:600;color:var(--ink);cursor:pointer;position:relative;transition:color var(--t) var(--ease);
}
.faq-item .q:hover{color:var(--brand-700)}
.faq-item .q::after{
  content:"";position:absolute;right:12px;top:50%;width:9px;height:9px;margin-top:-6px;
  border-right:2px solid var(--brand-700);border-bottom:2px solid var(--brand-700);
  transform:rotate(45deg);transition:transform var(--t) var(--ease);
}
.faq-item .q[aria-expanded="true"]::after{transform:rotate(-135deg)}
.faq-item .a{padding:0 24px 20px 0;color:var(--ink-70);font-size:.9375rem;line-height:1.9}

/* ============ 表单 & CTA ============ */
.consult{background:var(--paper-2);border-radius:24px;padding:48px 44px}
.consult h2{font-size:clamp(1.5rem,2.4vw,2rem);font-weight:700;margin-bottom:14px}
.consult .points{margin-top:22px;display:flex;flex-direction:column;gap:14px}
.consult .points li{position:relative;padding-left:22px;color:var(--ink-70);font-size:.9375rem}
.consult .points li::before{content:"";position:absolute;left:0;top:.7em;width:8px;height:8px;background:var(--accent-500);border-radius:2px}
.form-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius-card);padding:28px;box-shadow:var(--shadow-2)}
.field{margin-bottom:16px}
.field label{display:block;font-size:.875rem;font-weight:600;margin-bottom:7px;color:var(--ink-70)}
.field input,.field select,.field textarea{
  width:100%;border:1px solid var(--line);border-radius:var(--radius-input);
  padding:12px 14px;background:var(--paper);color:var(--ink);outline:0;
  transition:border-color var(--t) var(--ease),background var(--t) var(--ease);
}
.field input:focus,.field select:focus,.field textarea:focus{border-color:var(--accent-500);background:#fff;box-shadow:0 0 0 2px rgba(240,103,42,.16)}
.field textarea{min-height:110px;resize:vertical}
.field .hint{font-size:.8125rem;color:var(--ink-55);margin-top:6px}
.check{display:flex;align-items:flex-start;gap:10px;font-size:.875rem;color:var(--ink-70);margin-bottom:18px}
.check input{width:18px;height:18px;margin-top:3px;accent-color:var(--brand-700)}

/* ============ 页脚 ============ */
.site-footer{background:var(--brand-900);color:rgba(255,255,255,.72);padding:72px 0 0;margin-top:0}
.site-footer h4{color:#fff;font-size:1rem;font-weight:700;margin-bottom:18px}
.site-footer .f-brand{display:flex;align-items:center;gap:12px;margin-bottom:16px}
.site-footer .f-brand .brand-mark{background:rgba(255,255,255,.12)}
.site-footer .f-brand strong{color:#fff;font-size:1.125rem;font-weight:800}
.site-footer p{font-size:.9375rem;color:rgba(255,255,255,.66);line-height:1.85}
.f-links{display:flex;flex-direction:column;gap:11px}
.f-links a{color:rgba(255,255,255,.72);font-size:.9375rem;display:inline-flex;align-items:center;gap:6px;position:relative;width:fit-content}
.f-links a::after{content:"";position:absolute;left:0;bottom:-2px;height:1px;width:0;background:var(--accent-500);transition:width var(--t) var(--ease)}
.f-links a:hover{color:#fff}
.f-links a:hover::after{width:100%}
.footer-bottom{
  margin-top:56px;border-top:1px solid rgba(255,255,255,.14);padding:22px 0;
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:.8125rem;color:rgba(255,255,255,.55);
}
.to-top{
  position:fixed;right:22px;bottom:22px;width:46px;height:46px;border-radius:14px;
  background:var(--brand-700);color:#fff;border:0;display:flex;align-items:center;justify-content:center;
  cursor:pointer;opacity:0;visibility:hidden;transform:translateY(10px);
  transition:all var(--t) var(--ease);z-index:1030;box-shadow:var(--shadow-2);
}
.to-top.show{opacity:1;visibility:visible;transform:translateY(0)}
.to-top:hover{background:var(--accent-500)}

/* ============ 入场动效 ============ */
.reveal{opacity:0;transform:translateY(12px);transition:opacity 520ms var(--ease),transform 520ms var(--ease)}
.reveal.in{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){
  .reveal{opacity:1;transform:none;transition:none}
  .float-card{animation:none}
  *{transition-duration:.01ms !important}
}

/* ============ 响应式 ============ */
@media (min-width:992px){
  .matrix-mobile{display:none}
}
@media (max-width:1199px){
  .sec{padding:80px 0}
  .hero{padding:56px 0 72px}
  .news-main{grid-template-columns:1fr 1fr;gap:24px}
}
@media (max-width:991px){
  .search-box{display:none}
  .menu-trigger{display:flex}
  .search-trigger{display:flex}
  .brand-actions .btn-cta{display:none}
  .tiers{grid-template-columns:repeat(2,1fr)}
  .tier:nth-child(n){margin-top:0}
  .tiers-wrap::before{display:none}
  .tier::before{display:none}
  table.matrix{display:none}
  .matrix-shell{border:0;background:transparent;box-shadow:none}
  .matrix-mobile{display:grid}
  .promise{grid-template-columns:repeat(2,1fr)}
  .news-main{grid-template-columns:1fr}
  .band{padding:38px 28px}
  .consult{padding:34px 26px}
}
@media (max-width:767px){
  .sec{padding:56px 0}
  .brandbar-inner{height:56px}
  .brand-text em{display:none}
  .channels{height:48px}
  .hero{padding:40px 0 56px}
  .hero-stats{gap:26px}
  .hero-cta .btn{width:100%}
  .tiers{grid-template-columns:1fr}
  .tier{margin-top:0 !important}
  .promise{grid-template-columns:1fr}
  .faq-item{gap:12px}
  .faq-item .no{width:24px}
  .cd-block{min-width:68px;flex:1}
  .footer-bottom{flex-direction:column;align-items:flex-start}
  .news-row .date{width:76px;font-size:.75rem}
}
@media (max-width:575px){
  .container{padding-left:16px;padding-right:16px}
  .hero-title{font-size:2rem}
  .form-card{padding:20px}
  .consult{padding:26px 20px}
}

/* roulang page: article */
:root{
  --brand-900:#0A2E29;
  --brand-700:#0E4239;
  --brand-500:#14695A;
  --accent-500:#F0672A;
  --accent-600:#D9551F;
  --paper:#F7F4EF;
  --paper-2:#EFEAE1;
  --ink:#14171A;
  --ink-70:rgba(20,23,26,.72);
  --ink-55:rgba(20,23,26,.55);
  --line:#E2DCD1;
  --muted:#B9B2A6;
  --r-card:16px;
  --r-img:14px;
  --r-input:12px;
  --r-pill:999px;
  --sh-1:0 1px 2px rgba(20,23,26,.04);
  --sh-2:0 12px 32px -12px rgba(10,46,41,.18);
  --sh-3:0 20px 46px -16px rgba(10,46,41,.28);
  --ease:cubic-bezier(.22,.61,.36,1);
  --font:"PingFang SC","HarmonyOS Sans SC","Noto Sans SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  --bs-primary:#14695A;
  --bs-primary-rgb:20,105,90;
  --bs-body-font-family:var(--font);
  --bs-body-color:var(--ink);
  --bs-body-bg:var(--paper);
  --bs-border-radius:12px;
  --bs-link-color:var(--brand-500);
  --bs-link-hover-color:var(--brand-700);
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:var(--font);
  font-size:1rem;
  line-height:1.85;
  color:var(--ink);
  background:var(--paper);
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;height:auto;display:block}
a{color:inherit;text-decoration:none}
button,input,select,textarea{font:inherit;color:inherit}
h1,h2,h3,h4{margin:0;font-weight:700;letter-spacing:-.01em}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
table{border-collapse:collapse}
:focus-visible{outline:2px solid var(--accent-500);outline-offset:2px;border-radius:6px}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}
@media (min-width:1400px){.container{max-width:1280px}}
.skip-link{position:absolute;left:-9999px;top:0;background:var(--brand-900);color:#fff;padding:10px 18px;border-radius:0 0 10px 0;z-index:200}
.skip-link:focus{left:0}
.eyebrow{
  display:inline-flex;align-items:center;gap:10px;
  font-size:.8125rem;letter-spacing:.18em;font-weight:600;
  color:var(--accent-500);text-transform:uppercase;
}
.eyebrow::before{content:"";width:16px;height:2px;background:var(--accent-500);display:block}
.num{font-variant-numeric:tabular-nums}

/* ============ header ============ */
.site-header{position:relative;z-index:60}
.brandbar{
  background:rgba(247,244,239,.96);
  border-bottom:1px solid var(--line);
  position:relative;
}
.brandbar-inner{
  display:flex;align-items:center;justify-content:space-between;gap:18px;
  min-height:68px;
}
.brand{display:flex;align-items:center;gap:12px;flex:0 0 auto}
.brand-mark{
  width:42px;height:42px;border-radius:12px;flex:0 0 auto;
  background:var(--brand-900);color:#fff;display:grid;place-items:center;
  font-weight:800;font-size:.85rem;letter-spacing:.08em;
  box-shadow:0 8px 18px -10px rgba(10,46,41,.6);
}
.brand-text{display:flex;flex-direction:column;line-height:1.25}
.brand-text strong{font-size:1.125rem;font-weight:800;letter-spacing:-.02em}
.brand-text em{font-style:normal;font-size:.75rem;color:var(--ink-55);letter-spacing:.04em}
.brand-actions{display:flex;align-items:center;gap:10px}
.search-box{
  display:flex;align-items:center;gap:6px;
  background:#fff;border:1px solid var(--line);border-radius:var(--r-pill);
  padding:4px 4px 4px 16px;height:44px;transition:border-color .2s var(--ease),box-shadow .2s var(--ease);
}
.search-box input{border:0;background:transparent;outline:none;width:190px;font-size:.9rem}
.search-box input::placeholder{color:var(--muted)}
.search-box button{
  width:34px;height:34px;border-radius:var(--r-pill);border:0;background:var(--brand-500);
  color:#fff;display:grid;place-items:center;cursor:pointer;transition:background .2s var(--ease)
}
.search-box button:hover{background:var(--brand-700)}
.search-box:focus-within{border-color:var(--brand-500);box-shadow:0 0 0 3px rgba(20,105,90,.12)}
.icon-btn{
  width:44px;height:44px;border-radius:12px;border:1px solid var(--line);
  background:#fff;color:var(--brand-900);display:grid;place-items:center;cursor:pointer;
  transition:border-color .2s var(--ease),color .2s var(--ease),transform .2s var(--ease)
}
.icon-btn:hover{border-color:var(--brand-500);color:var(--brand-500);transform:translateY(-1px)}
.search-trigger,.menu-trigger{display:none}

.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:44px;padding:0 22px;border-radius:var(--r-pill);
  border:1px solid transparent;font-weight:600;font-size:.9375rem;
  cursor:pointer;transition:transform .2s var(--ease),background .2s var(--ease),border-color .2s var(--ease),color .2s var(--ease),box-shadow .2s var(--ease);
  white-space:nowrap;
}
.btn-accent{background:var(--accent-500);border-color:var(--accent-500);color:#fff;box-shadow:0 10px 22px -12px rgba(240,103,42,.85)}
.btn-accent:hover{background:var(--accent-600);border-color:var(--accent-600);color:#fff;transform:translateY(-2px);box-shadow:0 16px 30px -14px rgba(240,103,42,.9)}
.btn-dark{background:var(--brand-900);border-color:var(--brand-900);color:#fff}
.btn-dark:hover{background:var(--brand-700);border-color:var(--brand-700);color:#fff;transform:translateY(-2px)}
.btn-ghost{background:transparent;border-color:var(--line);color:var(--ink)}
.btn-ghost:hover{border-color:var(--brand-500);color:var(--brand-500);transform:translateY(-2px)}
.btn-light{background:#fff;border-color:#fff;color:var(--brand-900)}
.btn-light:hover{transform:translateY(-2px);box-shadow:var(--sh-2)}
.btn-sm{min-height:38px;padding:0 16px;font-size:.875rem}

.channelbar{
  position:sticky;top:0;z-index:55;
  background:rgba(247,244,239,.94);
  border-bottom:1px solid var(--line);
  backdrop-filter:saturate(150%) blur(8px);
  -webkit-backdrop-filter:saturate(150%) blur(8px);
}
.channels{
  display:flex;align-items:center;gap:8px;
  overflow-x:auto;scroll-snap-type:x proximity;
  padding:7px 0;scrollbar-width:none;-ms-overflow-style:none;
}
.channels::-webkit-scrollbar{display:none}
.channel{
  flex:0 0 auto;scroll-snap-align:start;
  padding:9px 18px;border-radius:var(--r-pill);
  font-size:.9375rem;color:var(--ink-70);white-space:nowrap;
  transition:background .2s var(--ease),color .2s var(--ease);
}
.channel:hover{background:var(--paper-2);color:var(--ink)}
.channel.is-active{background:var(--brand-900);color:#fff;font-weight:600}

.mobile-drawer{
  position:absolute;left:0;right:0;top:100%;
  background:#fff;border-bottom:1px solid var(--line);
  box-shadow:var(--sh-2);padding:14px 0 18px;z-index:70;
}
.mobile-drawer[hidden]{display:none}
.drawer-nav{display:grid;gap:4px}
.drawer-nav a{
  padding:12px 8px;border-radius:12px;font-size:1rem;color:var(--ink-70);
  display:flex;align-items:center;justify-content:space-between;min-height:44px;
}
.drawer-nav a:hover{background:var(--paper-2);color:var(--brand-900)}
.drawer-nav a.is-active{color:var(--brand-900);font-weight:600;background:var(--paper-2)}

/* ============ article hero ============ */
.article-hero{
  position:relative;
  padding:44px 0 30px;
  background:
    linear-gradient(180deg,rgba(10,46,41,.06),rgba(247,244,239,0) 78%),
    var(--paper);
  border-bottom:1px solid var(--line);
  overflow:hidden;
}
.article-hero::after{
  content:"";position:absolute;inset:0;pointer-events:none;opacity:.35;
  background-image:linear-gradient(rgba(226,220,209,.55) 1px,transparent 1px),linear-gradient(90deg,rgba(226,220,209,.55) 1px,transparent 1px);
  background-size:56px 56px;
  mask-image:linear-gradient(180deg,rgba(0,0,0,.5),transparent 70%);
  -webkit-mask-image:linear-gradient(180deg,rgba(0,0,0,.5),transparent 70%);
}
.article-hero .container{position:relative;z-index:1}
.crumbs{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:.875rem;color:var(--ink-55);margin-bottom:20px}
.crumbs a{position:relative;color:var(--ink-55);transition:color .2s var(--ease)}
.crumbs a::after{
  content:"";position:absolute;left:0;bottom:-2px;height:1px;width:0;background:var(--brand-500);
  transition:width .24s var(--ease);
}
.crumbs a:hover{color:var(--brand-500)}
.crumbs a:hover::after{width:100%}
.crumbs .sep{color:var(--muted)}
.crumbs .current{color:var(--ink);max-width:min(60vw,520px);overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.article-hero h1{
  font-size:clamp(1.75rem,3.6vw,2.85rem);
  line-height:1.18;
  font-weight:800;
  letter-spacing:-.02em;
  max-width:900px;
  margin-bottom:22px;
}
.article-meta{display:flex;flex-wrap:wrap;align-items:center;gap:14px;font-size:.875rem;color:var(--ink-55)}
.pill{
  display:inline-flex;align-items:center;gap:6px;
  padding:5px 13px;border-radius:6px;font-size:.8125rem;letter-spacing:.06em;
  border:1px solid var(--line);color:var(--brand-700);background:#fff;
}
.pill-accent{border-color:rgba(240,103,42,.4);color:var(--accent-600);background:rgba(240,103,42,.07)}
.meta-dot{width:4px;height:4px;border-radius:50%;background:var(--muted)}

/* ============ article body ============ */
.article-wrap{padding:52px 0 72px}
.article-layout{max-width:880px;margin:0 auto}
.prose{font-size:1.0625rem;line-height:1.9;color:var(--ink)}
.prose > *:first-child{margin-top:0}
.prose p{margin:0 0 1.25em}
.prose h2{
  font-size:clamp(1.3rem,2.2vw,1.7rem);line-height:1.3;font-weight:700;
  margin:2.2em 0 .85em;padding-left:14px;border-left:4px solid var(--accent-500);
}
.prose h3{font-size:1.15rem;font-weight:600;margin:1.9em 0 .7em}
.prose h4{font-size:1.0625rem;font-weight:600;margin:1.6em 0 .6em}
.prose ul,.prose ol{margin:0 0 1.4em;padding-left:1.3em}
.prose ul{list-style:disc}
.prose ol{list-style:decimal}
.prose li{margin:.45em 0}
.prose li::marker{color:var(--brand-500)}
.prose img{border-radius:var(--r-img);margin:1.6em 0;box-shadow:var(--sh-1);background:var(--paper-2)}
.prose a{color:var(--brand-500);border-bottom:1px solid rgba(20,105,90,.35);transition:border-color .2s var(--ease),color .2s var(--ease)}
.prose a:hover{color:var(--brand-700);border-color:var(--brand-700)}
.prose strong{font-weight:700}
.prose blockquote{
  margin:1.7em 0;padding:18px 24px;background:var(--paper-2);
  border-left:4px solid var(--brand-500);border-radius:0 14px 14px 0;color:var(--ink-70);
}
.prose blockquote p:last-child{margin-bottom:0}
.prose table{width:100%;margin:1.6em 0;font-size:.9375rem;border:1px solid var(--line);border-radius:12px;overflow:hidden}
.prose th,.prose td{border:1px solid var(--line);padding:11px 15px;text-align:left}
.prose th{background:var(--paper-2);font-weight:600}
.prose code{background:var(--paper-2);padding:2px 7px;border-radius:6px;font-size:.9em}
.prose hr{border:0;border-top:1px solid var(--line);margin:2.2em 0}
.empty-state{
  border:1px dashed var(--line);border-radius:var(--r-card);
  background:#fff;padding:52px 28px;text-align:center;box-shadow:var(--sh-1);
}
.empty-state svg{color:var(--muted);margin-bottom:16px}
.empty-state h3{font-size:1.125rem;margin-bottom:10px}
.empty-state p{color:var(--ink-55);font-size:.9375rem;margin-bottom:20px}

.article-foot{
  max-width:880px;margin:0 auto;padding-top:30px;border-top:1px solid var(--line);
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:18px;
}
.tag-row{display:flex;flex-wrap:wrap;gap:10px}
.tag{
  display:inline-flex;align-items:center;padding:6px 14px;border-radius:var(--r-pill);
  font-size:.8125rem;letter-spacing:.06em;color:var(--ink-70);
  border:1px solid var(--line);background:#fff;transition:border-color .2s var(--ease),color .2s var(--ease)
}
.tag:hover{border-color:var(--brand-500);color:var(--brand-500)}
.back-link{
  display:inline-flex;align-items:center;gap:8px;font-size:.9375rem;font-weight:600;color:var(--brand-500);
  transition:color .2s var(--ease),gap .2s var(--ease)
}
.back-link:hover{color:var(--brand-700);gap:12px}

/* ============ related ============ */
.section{padding:88px 0}
.section-alt{background:var(--paper-2)}
.section-head{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:16px;margin-bottom:36px}
.section-head h2{font-size:clamp(1.4rem,2.5vw,2rem);letter-spacing:-.02em}
.section-head p{color:var(--ink-55);font-size:.9375rem;margin-top:8px;max-width:620px}
.more-link{font-size:.9375rem;font-weight:600;color:var(--brand-500);display:inline-flex;align-items:center;gap:6px;transition:gap .2s var(--ease)}
.more-link:hover{gap:11px}
.card-grid{display:grid;gap:24px;grid-template-columns:repeat(3,minmax(0,1fr))}
.post-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-card);
  overflow:hidden;display:flex;flex-direction:column;
  transition:transform .22s var(--ease),box-shadow .22s var(--ease),border-color .22s var(--ease);
  box-shadow:var(--sh-1);
}
.post-card:hover{transform:translateY(-2px);box-shadow:var(--sh-2);border-color:var(--brand-500)}
.post-thumb{aspect-ratio:16/10;overflow:hidden;background:var(--paper-2)}
.post-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .3s var(--ease)}
.post-card:hover .post-thumb img{transform:scale(1.03)}
.post-body{padding:22px;display:flex;flex-direction:column;gap:12px;flex:1}
.post-body h3{font-size:1.0625rem;line-height:1.5;font-weight:600;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.post-body .excerpt{font-size:.9375rem;color:var(--ink-70);line-height:1.75;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.post-foot{margin-top:auto;display:flex;align-items:center;justify-content:space-between;gap:10px;font-size:.8125rem;color:var(--ink-55)}

/* ============ CTA band ============ */
.cta-section{padding:0 0 96px}
.cta-band{
  position:relative;overflow:hidden;border-radius:24px;
  background:var(--brand-900);color:#fff;
  padding:52px 48px;display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:32px;
}
.cta-band::before{
  content:"";position:absolute;inset:0;opacity:.05;pointer-events:none;
  background-image:radial-gradient(#fff 1px,transparent 1px);background-size:18px 18px;
}
.cta-band::after{
  content:"";position:absolute;right:-60px;top:-60px;width:220px;height:220px;border-radius:50%;
  background:radial-gradient(rgba(240,103,42,.36),transparent 68%);pointer-events:none;
}
.cta-copy{position:relative;z-index:1;max-width:600px}
.cta-copy h2{font-size:clamp(1.4rem,2.6vw,2.05rem);line-height:1.25;margin-bottom:12px}
.cta-copy p{color:rgba(255,255,255,.72);font-size:.9375rem}
.cta-actions{position:relative;z-index:1;display:flex;flex-wrap:wrap;gap:12px}
.cta-actions .btn-ghost{border-color:rgba(255,255,255,.28);color:#fff}
.cta-actions .btn-ghost:hover{border-color:#fff;color:#fff;background:rgba(255,255,255,.08)}

/* ============ footer ============ */
.site-footer{background:var(--brand-900);color:rgba(255,255,255,.72);padding:72px 0 26px}
.f-brand{display:flex;align-items:center;gap:12px;margin-bottom:16px}
.site-footer .brand-mark{background:#fff;color:var(--brand-900);box-shadow:none}
.f-brand strong{color:#fff;font-size:1.125rem;font-weight:800;letter-spacing:-.02em}
.site-footer p{font-size:.9375rem;line-height:1.85;color:rgba(255,255,255,.62)}
.site-footer h4{color:#fff;font-size:.9375rem;font-weight:600;letter-spacing:.08em;margin-bottom:18px}
.f-links{display:grid;gap:11px}
.f-links a{font-size:.9375rem;color:rgba(255,255,255,.66);transition:color .2s var(--ease),padding-left .2s var(--ease)}
.f-links a:hover{color:#fff;padding-left:4px}
.footer-bottom{
  margin-top:52px;padding-top:22px;border-top:1px solid rgba(255,255,255,.12);
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:12px;
  font-size:.8125rem;color:rgba(255,255,255,.5);
}

/* ============ to top ============ */
.to-top{
  position:fixed;right:22px;bottom:24px;z-index:80;
  width:46px;height:46px;border-radius:50%;border:1px solid var(--line);
  background:#fff;color:var(--brand-900);display:grid;place-items:center;cursor:pointer;
  box-shadow:var(--sh-2);opacity:0;visibility:hidden;transform:translateY(10px);
  transition:opacity .26s var(--ease),transform .26s var(--ease),visibility .26s;
}
.to-top.is-visible{opacity:1;visibility:visible;transform:translateY(0)}
.to-top:hover{background:var(--brand-900);color:#fff;border-color:var(--brand-900)}

/* ============ motion ============ */
.reveal{opacity:0;transform:translateY(12px);transition:opacity .5s var(--ease),transform .5s var(--ease)}
.reveal.is-in{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation:none!important;transition:none!important}
  .reveal{opacity:1;transform:none}
  html{scroll-behavior:auto}
}

/* ============ responsive ============ */
@media (max-width:1199.98px){
  .search-box input{width:150px}
  .card-grid{gap:20px}
}
@media (max-width:991.98px){
  .section{padding:72px 0}
  .article-wrap{padding:44px 0 60px}
  .card-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .cta-band{padding:42px 32px}
}
@media (max-width:767.98px){
  .container{padding:0 18px}
  .brandbar-inner{min-height:56px;gap:10px}
  .brand-text em{display:none}
  .brand-mark{width:38px;height:38px;border-radius:10px;font-size:.78rem}
  .search-box{display:none}
  .search-trigger,.menu-trigger{display:grid}
  .btn-cta{display:none}
  .site-header.is-searching .search-box{
    display:flex;position:absolute;left:18px;right:18px;top:calc(100% + 8px);
    z-index:75;box-shadow:var(--sh-2);height:48px;
  }
  .site-header.is-searching .search-box input{width:100%}
  .article-hero{padding:30px 0 24px}
  .article-hero h1{font-size:clamp(1.5rem,6vw,2rem)}
  .crumbs .current{white-space:normal;max-width:100%}
  .article-wrap{padding:36px 0 52px}
  .prose{font-size:1rem;line-height:1.88}
  .article-foot{flex-direction:column;align-items:flex-start}
  .section{padding:56px 0}
  .card-grid{grid-template-columns:1fr}
  .cta-section{padding:0 0 64px}
  .cta-band{padding:34px 22px;border-radius:20px}
  .cta-actions{width:100%}
  .cta-actions .btn{width:100%}
  .site-footer{padding:56px 0 22px}
  .to-top{right:16px;bottom:16px}
}
@media (max-width:519.98px){
  .article-meta{gap:10px;font-size:.8125rem}
  .brand-text strong{font-size:1rem}
  .empty-state{padding:40px 20px}
}

/* roulang page: category1 */
:root{
  --brand-900:#0A2E29;
  --brand-700:#0E4239;
  --brand-500:#14695A;
  --brand-300:#3E8C7B;
  --accent-500:#F0672A;
  --accent-600:#D9551D;
  --paper:#F7F4EF;
  --paper-2:#EFEAE1;
  --ink:#14171A;
  --ink-70:rgba(20,23,26,.72);
  --ink-55:rgba(20,23,26,.55);
  --line:#E2DCD1;
  --muted:#B9B2A6;
  --r-card:16px;
  --r-img:14px;
  --r-input:12px;
  --shadow-1:0 1px 2px rgba(20,23,26,.04);
  --shadow-2:0 12px 32px -12px rgba(10,46,41,.18);
  --shadow-3:0 22px 46px -18px rgba(10,46,41,.30);
  --ease:cubic-bezier(.22,.61,.36,1);
  --t:220ms;
  --bs-body-font-family:"PingFang SC","HarmonyOS Sans SC","Noto Sans SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  --bs-body-color:var(--ink);
  --bs-body-bg:var(--paper);
  --bs-primary:#14695A;
  --bs-primary-rgb:20,105,90;
  --bs-border-color:var(--line);
  --bs-link-color:#14695A;
  --bs-link-hover-color:#0E4239;
  --bs-body-line-height:1.85;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  background:var(--paper);
  color:var(--ink);
  font-family:var(--bs-body-font-family);
  font-size:1rem;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;height:auto;display:block}
a{color:var(--brand-500);text-decoration:none;transition:color var(--t) var(--ease)}
a:hover{color:var(--accent-500)}
button,input,select,textarea{font:inherit;color:inherit}
h1,h2,h3,h4,h5{margin:0 0 .6em;color:var(--ink);font-weight:700}
p{margin:0 0 1em}
ul{margin:0;padding:0;list-style:none}
:focus-visible{outline:2px solid var(--accent-500);outline-offset:3px;border-radius:4px}
.container{max-width:1200px;padding-left:20px;padding-right:20px}
@media(min-width:1400px){.container{max-width:1280px}}

/* ---------- header ---------- */
.site-header{position:relative;z-index:1040;background:var(--paper)}
.brandbar{border-bottom:1px solid var(--line);background:var(--paper)}
.brandbar-inner{display:flex;align-items:center;justify-content:space-between;gap:20px;min-height:68px}
.brand{display:flex;align-items:center;gap:12px;color:var(--ink)}
.brand:hover{color:var(--ink)}
.brand-mark{
  width:42px;height:42px;flex:0 0 42px;border-radius:12px;
  background:var(--brand-900);color:#fff;
  display:grid;place-items:center;
  font-weight:800;font-size:1rem;letter-spacing:.06em;
}
.brand-text{display:flex;flex-direction:column;line-height:1.25}
.brand-text strong{font-size:1.0625rem;font-weight:800;letter-spacing:-.01em}
.brand-text em{font-style:normal;font-size:.75rem;color:var(--ink-55);letter-spacing:.02em}
.brand-actions{display:flex;align-items:center;gap:10px}
.search-box{
  display:flex;align-items:center;gap:6px;
  background:#fff;border:1px solid var(--line);border-radius:999px;
  padding:4px 6px 4px 16px;height:44px;width:262px;
  transition:border-color var(--t) var(--ease),box-shadow var(--t) var(--ease);
}
.search-box:focus-within{border-color:var(--brand-500);box-shadow:0 0 0 3px rgba(20,105,90,.10)}
.search-box input{flex:1;border:0;background:transparent;outline:none;font-size:.875rem;min-width:0}
.search-box input::placeholder{color:var(--muted)}
.search-box button{
  width:34px;height:34px;border:0;border-radius:50%;
  background:var(--brand-900);color:#fff;display:grid;place-items:center;
  cursor:pointer;transition:background var(--t) var(--ease),transform var(--t) var(--ease);
}
.search-box button:hover{background:var(--brand-500);transform:translateY(-1px)}
.icon-btn{
  width:44px;height:44px;flex:0 0 44px;border-radius:12px;
  border:1px solid var(--line);background:#fff;color:var(--ink);
  display:none;place-items:center;cursor:pointer;
  transition:border-color var(--t) var(--ease),color var(--t) var(--ease),transform var(--t) var(--ease);
}
.icon-btn:hover{border-color:var(--brand-500);color:var(--brand-500);transform:translateY(-1px)}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border-radius:999px;border:1px solid transparent;font-weight:600;
  padding:.72rem 1.5rem;line-height:1.2;cursor:pointer;
  transition:transform var(--t) var(--ease),background var(--t) var(--ease),border-color var(--t) var(--ease),color var(--t) var(--ease),box-shadow var(--t) var(--ease);
}
.btn-accent{background:var(--accent-500);color:#fff;box-shadow:0 8px 20px -10px rgba(240,103,42,.7)}
.btn-accent:hover{background:var(--accent-600);color:#fff;transform:translateY(-2px);box-shadow:0 14px 26px -12px rgba(240,103,42,.75)}
.btn-ink{background:var(--brand-900);color:#fff}
.btn-ink:hover{background:var(--brand-700);color:#fff;transform:translateY(-2px)}
.btn-ghost{background:transparent;color:var(--brand-900);border-color:var(--line)}
.btn-ghost:hover{border-color:var(--brand-500);color:var(--brand-500);transform:translateY(-2px)}
.btn-light-outline{background:transparent;color:#fff;border-color:rgba(255,255,255,.42)}
.btn-light-outline:hover{background:#fff;color:var(--brand-900);border-color:#fff;transform:translateY(-2px)}
.btn-sm{padding:.5rem 1rem;font-size:.875rem}
.btn-lg{padding:.9rem 1.9rem;font-size:1.0625rem}
.brandbar .btn-cta{display:inline-flex}
.channelbar{
  position:sticky;top:0;z-index:1035;
  background:rgba(247,244,239,.96);
  backdrop-filter:saturate(140%) blur(8px);
  border-bottom:1px solid var(--line);
}
.channels{
  display:flex;align-items:center;gap:6px;
  height:52px;overflow-x:auto;scroll-snap-type:x proximity;
  -ms-overflow-style:none;scrollbar-width:none;
}
.channels::-webkit-scrollbar{display:none}
.channel{
  scroll-snap-align:start;white-space:nowrap;
  padding:.5rem 1.05rem;border-radius:999px;
  font-size:.9375rem;font-weight:600;color:var(--ink-70);
  min-height:36px;display:inline-flex;align-items:center;
  transition:background var(--t) var(--ease),color var(--t) var(--ease);
}
.channel:hover{background:var(--paper-2);color:var(--brand-900)}
.channel.is-active{background:var(--brand-900);color:#fff}
.channel.is-active:hover{background:var(--brand-700);color:#fff}
.mobile-drawer{
  display:none;border-bottom:1px solid var(--line);background:var(--paper);
  padding:14px 20px 18px;
}
.mobile-drawer.is-open{display:block}
.mobile-drawer a{
  display:block;padding:.7rem .25rem;border-bottom:1px dashed var(--line);
  color:var(--ink);font-weight:600;
}
.mobile-drawer a:last-child{border-bottom:0}
.mobile-drawer a.is-active{color:var(--accent-500)}

/* ---------- page hero ---------- */
.page-hero{
  background:
    radial-gradient(1200px 340px at 12% -10%, rgba(20,105,90,.10), transparent 62%),
    linear-gradient(180deg,var(--paper-2),var(--paper));
  border-bottom:1px solid var(--line);
  padding:44px 0 64px;
}
.crumbs{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:.8125rem;color:var(--ink-55);margin-bottom:26px}
.crumbs a{color:var(--ink-70)}
.crumbs a:hover{color:var(--accent-500)}
.crumbs span.sep{color:var(--muted)}
.eyebrow{
  display:inline-flex;align-items:center;gap:10px;
  font-size:.8125rem;letter-spacing:.18em;text-transform:uppercase;
  color:var(--accent-500);font-weight:700;margin-bottom:16px;
}
.eyebrow::before{content:"";width:16px;height:2px;background:var(--accent-500);display:block}
.page-hero h1{
  font-size:clamp(1.9rem,4vw,3.1rem);line-height:1.14;font-weight:800;
  letter-spacing:-.02em;margin-bottom:18px;
}
.page-hero .lead{font-size:1.0625rem;color:var(--ink-70);max-width:56ch;line-height:1.85}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:26px}
.hero-facts{display:flex;flex-wrap:wrap;gap:28px;margin-top:34px}
.hero-facts .fact b{display:block;font-size:1.5rem;font-weight:800;font-variant-numeric:tabular-nums;letter-spacing:-.01em}
.hero-facts .fact span{font-size:.8125rem;color:var(--ink-55)}
.hero-media{
  position:relative;border-radius:20px;overflow:hidden;
  border:1px solid var(--line);background:var(--paper-2);box-shadow:var(--shadow-2);
}
.hero-media img{width:100%;aspect-ratio:16/11;object-fit:cover}
.hero-media figcaption{
  position:absolute;left:14px;bottom:14px;
  background:rgba(10,46,41,.88);color:#fff;border-radius:12px;
  padding:10px 14px;font-size:.8125rem;line-height:1.5;max-width:74%;
}

/* ---------- section base ---------- */
.section{padding:96px 0}
.section-alt{background:var(--paper-2);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.sec-head{max-width:760px;margin-bottom:52px}
.sec-head .eyebrow{margin-bottom:12px}
.sec-head h2{font-size:clamp(1.5rem,2.6vw,2.35rem);line-height:1.22;font-weight:800;letter-spacing:-.015em;margin-bottom:14px}
.sec-head p{color:var(--ink-70);font-size:1rem;margin-bottom:0}
.sec-head-wide{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:20px;max-width:none}
.tag{
  display:inline-flex;align-items:center;gap:6px;
  font-size:.75rem;font-weight:600;letter-spacing:.06em;
  padding:.28rem .6rem;border-radius:6px;
  border:1px solid var(--line);color:var(--ink-70);background:#fff;
}
.tag-accent{border-color:rgba(240,103,42,.4);color:var(--accent-600);background:rgba(240,103,42,.07)}
.tag-solid{background:var(--brand-900);color:#fff;border-color:var(--brand-900)}
.tag-muted{color:var(--ink-55);background:var(--paper-2)}

/* ---------- tiers ---------- */
.tiers-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;align-items:start}
.tier{
  position:relative;background:#fff;border:1px solid var(--line);
  border-radius:var(--r-card);padding:24px 22px 22px;
  box-shadow:var(--shadow-1);
  transition:transform var(--t) var(--ease),box-shadow var(--t) var(--ease),border-color var(--t) var(--ease);
}
.tier::before{
  content:"";position:absolute;left:0;top:24px;bottom:24px;width:4px;
  border-radius:0 4px 4px 0;background:var(--line);
}
.tier:hover{transform:translateY(-3px);box-shadow:var(--shadow-3);border-color:var(--brand-300)}
.tier:nth-child(2){margin-top:18px}
.tier:nth-child(3){margin-top:36px}
.tier:nth-child(4){margin-top:54px}
.tier.is-featured{border-color:rgba(240,103,42,.5)}
.tier.is-featured::before{background:var(--accent-500)}
.tier-head{display:flex;align-items:center;justify-content:space-between;gap:10px;margin-bottom:14px}
.tier-level{font-size:1.0625rem;font-weight:800;letter-spacing:-.01em}
.tier-cond{font-size:.8125rem;color:var(--ink-55);margin-bottom:16px}
.tier-rate{
  font-size:2rem;font-weight:800;letter-spacing:-.03em;font-variant-numeric:tabular-nums;
  color:var(--brand-900);line-height:1.1;margin-bottom:4px;
}
.tier-rate small{font-size:.875rem;font-weight:600;color:var(--ink-55);letter-spacing:0}
.tier ul{margin:18px 0 0;border-top:1px dashed var(--line);padding-top:16px}
.tier li{
  position:relative;padding-left:20px;font-size:.9375rem;color:var(--ink-70);
  line-height:1.7;margin-bottom:8px;
}
.tier li::before{
  content:"";position:absolute;left:0;top:.62em;width:10px;height:2px;
  background:var(--brand-500);border-radius:2px;
}
.tier-foot{margin-top:20px;display:flex;align-items:center;justify-content:space-between;gap:10px}
.tier-note{font-size:.75rem;color:var(--ink-55)}
.dashline{
  height:1px;margin:28px 0 0;
  background-image:linear-gradient(90deg,var(--line) 0 8px,transparent 8px 16px);
  background-size:16px 1px;background-repeat:repeat-x;
}
.tier-tip{
  margin-top:28px;display:flex;flex-wrap:wrap;gap:14px;align-items:center;
  background:#fff;border:1px solid var(--line);border-radius:var(--r-card);
  padding:18px 22px;box-shadow:var(--shadow-1);
}
.tier-tip p{margin:0;font-size:.9375rem;color:var(--ink-70)}
.tier-tip strong{color:var(--ink)}

/* ---------- timeline ---------- */
.timeline{position:relative;padding-left:34px}
.timeline::before{
  content:"";position:absolute;left:9px;top:8px;bottom:8px;width:1px;
  background:linear-gradient(180deg,var(--brand-300),var(--line));
}
.tl-item{position:relative;padding:22px 24px;background:#fff;border:1px solid var(--line);
  border-radius:var(--r-card);margin-bottom:16px;box-shadow:var(--shadow-1);
  transition:transform var(--t) var(--ease),box-shadow var(--t) var(--ease),border-color var(--t) var(--ease);
}
.tl-item:hover{transform:translateX(3px);box-shadow:var(--shadow-2);border-color:var(--brand-300)}
.tl-item::before{
  content:"";position:absolute;left:-31px;top:30px;width:11px;height:11px;border-radius:50%;
  background:#fff;border:2px solid var(--brand-500);
}
.tl-item.is-live::before{background:var(--accent-500);border-color:var(--accent-500)}
.tl-top{display:flex;flex-wrap:wrap;align-items:center;gap:12px;margin-bottom:8px}
.tl-date{font-size:.8125rem;font-weight:700;color:var(--brand-900);font-variant-numeric:tabular-nums;letter-spacing:.02em}
.tl-item h3{font-size:1.0625rem;font-weight:700;margin:0 0 6px}
.tl-item p{margin:0;font-size:.9375rem;color:var(--ink-70)}
.tl-meta{margin-top:12px;display:flex;flex-wrap:wrap;gap:18px;font-size:.8125rem;color:var(--ink-55)}
.tl-meta b{color:var(--ink);font-weight:700;font-variant-numeric:tabular-nums}

/* ---------- flow ---------- */
.flow-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:22px}
.flow-step{background:#fff;border:1px solid var(--line);border-radius:var(--r-card);padding:24px 22px;box-shadow:var(--shadow-1);height:100%;
  transition:transform var(--t) var(--ease),box-shadow var(--t) var(--ease),border-color var(--t) var(--ease)}
.flow-step:hover{transform:translateY(-3px);box-shadow:var(--shadow-3);border-color:var(--brand-300)}
.flow-num{
  width:38px;height:38px;border-radius:10px;background:var(--paper-2);
  display:grid;place-items:center;font-weight:800;color:var(--brand-900);
  font-variant-numeric:tabular-nums;margin-bottom:16px;
}
.flow-step h3{font-size:1.0625rem;margin-bottom:8px}
.flow-step p{font-size:.9375rem;color:var(--ink-70);margin:0}

/* ---------- faq ---------- */
.faq-wrap{background:#fff;border:1px solid var(--line);border-radius:var(--r-card);padding:8px 26px;box-shadow:var(--shadow-1)}
.accordion-item{border:0;border-bottom:1px solid var(--line);background:transparent}
.accordion-item:last-child{border-bottom:0}
.accordion-button{
  width:100%;background:transparent;border:0;text-align:left;
  padding:22px 0;display:flex;align-items:center;gap:16px;
  font-size:1.0625rem;font-weight:600;color:var(--ink);box-shadow:none;
}
.accordion-button:not(.collapsed){color:var(--brand-900);background:transparent;box-shadow:none}
.accordion-button:focus{box-shadow:none;border-color:transparent}
.accordion-button::after{display:none}
.acc-num{
  font-size:.8125rem;font-weight:800;color:var(--accent-500);
  font-variant-numeric:tabular-nums;flex:0 0 26px;
}
.acc-title{flex:1}
.acc-icon{
  flex:0 0 22px;width:22px;height:22px;color:var(--ink-55);
  transition:transform var(--t) var(--ease),color var(--t) var(--ease);
}
.accordion-button:not(.collapsed) .acc-icon{transform:rotate(180deg);color:var(--accent-500)}
.accordion-body{padding:0 0 22px 42px;font-size:.9375rem;color:var(--ink-70);line-height:1.9}
.accordion-body strong{color:var(--ink)}

/* ---------- cta band ---------- */
.cta-band{
  margin:0 auto;background:var(--brand-900);color:#fff;border-radius:24px;
  padding:52px 46px;position:relative;overflow:hidden;
}
.cta-band::after{
  content:"";position:absolute;inset:0;pointer-events:none;opacity:.06;
  background-image:radial-gradient(#ffffff 1px,transparent 1px);
  background-size:18px 18px;
}
.cta-inner{position:relative;z-index:1;display:flex;flex-wrap:wrap;align-items:center;gap:32px;justify-content:space-between}
.cta-text h2{color:#fff;font-size:clamp(1.5rem,2.6vw,2.15rem);font-weight:800;letter-spacing:-.015em;margin-bottom:10px}
.cta-text p{color:rgba(255,255,255,.76);margin:0;max-width:62ch;font-size:.9375rem}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px}
.cta-section{padding:0 0 96px}

/* ---------- footer ---------- */
.site-footer{background:var(--paper-2);border-top:1px solid var(--line);padding:76px 0 0}
.site-footer h4{font-size:.875rem;letter-spacing:.08em;color:var(--ink-55);font-weight:700;margin-bottom:18px}
.f-brand{display:flex;align-items:center;gap:12px;margin-bottom:16px}
.f-brand .brand-mark{width:38px;height:38px;flex:0 0 38px;font-size:.9375rem}
.f-brand strong{font-size:1.0625rem;font-weight:800}
.site-footer p{font-size:.9375rem;color:var(--ink-70);max-width:34ch}
.f-links{display:flex;flex-direction:column;gap:12px}
.f-links a{font-size:.9375rem;color:var(--ink-70);position:relative;display:inline-block;width:fit-content}
.f-links a::after{
  content:"";position:absolute;left:0;bottom:-2px;height:1px;width:0;background:var(--accent-500);
  transition:width var(--t) var(--ease);
}
.f-links a:hover{color:var(--brand-900)}
.f-links a:hover::after{width:100%}
.footer-bottom{
  margin-top:56px;border-top:1px solid var(--line);padding:22px 0 28px;
  display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;
  font-size:.8125rem;color:var(--ink-55);
}

/* ---------- to top ---------- */
.to-top{
  position:fixed;right:22px;bottom:26px;width:46px;height:46px;border-radius:14px;
  border:1px solid var(--line);background:#fff;color:var(--brand-900);
  display:grid;place-items:center;cursor:pointer;opacity:0;visibility:hidden;
  box-shadow:var(--shadow-2);transition:opacity var(--t) var(--ease),transform var(--t) var(--ease),visibility var(--t);
  z-index:1050;
}
.to-top.is-visible{opacity:1;visibility:visible}
.to-top:hover{transform:translateY(-3px);border-color:var(--brand-500);color:var(--brand-500)}

/* ---------- reveal ---------- */
.reveal{opacity:0;transform:translateY(12px);transition:opacity 520ms var(--ease),transform 520ms var(--ease)}
.reveal.is-in{opacity:1;transform:none}
@media(prefers-reduced-motion:reduce){
  .reveal{opacity:1;transform:none;transition:none}
  *{animation:none!important;transition-duration:.01ms!important}
}

/* ---------- responsive ---------- */
@media(max-width:1199px){
  .section{padding:80px 0}
  .tiers-grid{gap:16px}
  .tier{padding:22px 18px}
}
@media(max-width:991px){
  .search-box{display:none}
  .icon-btn{display:grid}
  .brand-text em{display:none}
  .section{padding:72px 0}
  .cta-band{padding:42px 30px;border-radius:20px}
  .tiers-grid{grid-template-columns:repeat(2,1fr)}
  .tier:nth-child(2),.tier:nth-child(3),.tier:nth-child(4){margin-top:0}
  .flow-grid{grid-template-columns:repeat(2,1fr)}
  .faq-wrap{padding:8px 20px}
  .page-hero{padding:34px 0 52px}
}
@media(max-width:767px){
  .brandbar-inner{min-height:56px;gap:12px}
  .brand-mark{width:38px;height:38px;flex:0 0 38px;border-radius:10px}
  .brand-text strong{font-size:1rem}
  .brandbar .btn-cta{display:none}
  .section{padding:56px 0}
  .sec-head{margin-bottom:34px}
  .tiers-grid{grid-template-columns:1fr}
  .flow-grid{grid-template-columns:1fr}
  .timeline{padding-left:26px}
  .tl-item{padding:18px 18px}
  .tl-item::before{left:-25px;top:26px}
  .acc-title{font-size:1rem}
  .accordion-body{padding-left:42px}
  .cta-inner{gap:22px}
  .cta-actions{width:100%}
  .cta-actions .btn{width:100%}
  .hero-actions .btn{width:100%}
  .hero-facts{gap:20px}
  .footer-bottom{flex-direction:column}
}
@media(max-width:520px){
  .container{padding-left:16px;padding-right:16px}
  .page-hero h1{font-size:1.75rem}
  .tier-rate{font-size:1.75rem}
  .acc-num{flex:0 0 22px}
  .accordion-body{padding-left:38px}
}

/* roulang page: category2 */
:root{
  --brand-900:#0A2E29;
  --brand-700:#0E4239;
  --brand-500:#14695A;
  --accent-500:#F0672A;
  --accent-600:#D9551D;
  --paper:#F7F4EF;
  --paper-2:#EFEAE1;
  --ink:#14171A;
  --ink-70:rgba(20,23,26,.70);
  --ink-58:rgba(20,23,26,.58);
  --line:#E2DCD1;
  --disabled:#B9B2A6;
  --r-card:16px;
  --r-img:16px;
  --r-input:12px;
  --r-pill:999px;
  --sh-1:0 1px 2px rgba(20,23,26,.04);
  --sh-2:0 12px 32px -12px rgba(10,46,41,.18);
  --sh-3:0 20px 46px -18px rgba(10,46,41,.28);
  --ease:cubic-bezier(.22,.61,.36,1);
  --t:220ms var(--ease);
  --maxw:1200px;
  --bs-body-font-family:"PingFang SC","HarmonyOS Sans SC","Noto Sans SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  --bs-body-color:var(--ink);
  --bs-body-bg:var(--paper);
  --bs-primary:var(--brand-500);
  --bs-link-color:var(--brand-500);
  --bs-link-hover-color:var(--brand-900);
  --bs-border-color:var(--line);
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:"PingFang SC","HarmonyOS Sans SC","Noto Sans SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  font-size:1rem;
  line-height:1.85;
  color:var(--ink);
  background:var(--paper);
  overflow-x:hidden;
}
img{max-width:100%;height:auto;display:block}
a{color:var(--brand-500);text-decoration:none;transition:color var(--t)}
a:hover{color:var(--brand-900)}
button,input,select,textarea{font:inherit;color:inherit}
h1,h2,h3,h4,h5{margin:0;font-weight:700;line-height:1.2;letter-spacing:-.01em}
p{margin:0}
ul{margin:0;padding:0;list-style:none}
:focus-visible{outline:2px solid var(--accent-500);outline-offset:3px;border-radius:4px}
.container{width:100%;max-width:var(--maxw);margin:0 auto;padding:0 20px}
@media (min-width:1400px){.container{max-width:1280px}}
.num{font-variant-numeric:tabular-nums}

/* ---------- header ---------- */
.site-header{position:relative;z-index:60;background:var(--paper)}
.brandbar{background:var(--paper);border-bottom:1px solid transparent}
.brandbar-inner{display:flex;align-items:center;justify-content:space-between;gap:20px;height:68px}
.brand{display:flex;align-items:center;gap:12px;color:var(--ink)}
.brand:hover{color:var(--ink)}
.brand-mark{
  width:40px;height:40px;flex:0 0 40px;border-radius:11px;
  background:var(--brand-900);color:#F7F4EF;
  display:grid;place-items:center;font-weight:800;font-size:.9375rem;letter-spacing:.04em;
}
.brand-text{display:flex;flex-direction:column;line-height:1.25}
.brand-text strong{font-size:1.125rem;font-weight:800;letter-spacing:.01em}
.brand-text em{font-style:normal;font-size:.75rem;color:var(--ink-58);letter-spacing:.02em}
.brand-actions{display:flex;align-items:center;gap:10px}
.search-box{display:flex;align-items:center;gap:6px;background:#fff;border:1px solid var(--line);border-radius:var(--r-pill);padding:6px 8px 6px 14px;transition:border-color var(--t),box-shadow var(--t)}
.search-box:focus-within{border-color:var(--brand-500);box-shadow:0 0 0 3px rgba(20,105,90,.10)}
.search-box input{border:0;background:transparent;outline:none;width:210px;font-size:.875rem}
.search-box input::placeholder{color:var(--ink-58)}
.search-box button{border:0;background:transparent;color:var(--brand-700);display:grid;place-items:center;width:30px;height:30px;border-radius:50%;cursor:pointer;transition:background var(--t)}
.search-box button:hover{background:var(--paper-2)}
.icon-btn{display:none;align-items:center;justify-content:center;width:44px;height:44px;border:1px solid var(--line);border-radius:12px;background:#fff;color:var(--brand-700);cursor:pointer;transition:border-color var(--t),color var(--t),background var(--t)}
.icon-btn:hover{border-color:var(--brand-500);color:var(--brand-900);background:var(--paper)}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border-radius:var(--r-pill);font-weight:600;font-size:.9375rem;padding:11px 22px;border:1px solid transparent;cursor:pointer;transition:transform var(--t),box-shadow var(--t),background var(--t),color var(--t),border-color var(--t);white-space:nowrap}
.btn-sm{padding:9px 18px;font-size:.875rem}
.btn-accent{background:var(--accent-500);color:#fff;box-shadow:0 8px 20px -10px rgba(240,103,42,.75)}
.btn-accent:hover{background:var(--accent-600);color:#fff;transform:translateY(-2px);box-shadow:0 14px 26px -12px rgba(240,103,42,.85)}
.btn-brand{background:var(--brand-900);color:#fff}
.btn-brand:hover{background:var(--brand-700);color:#fff;transform:translateY(-2px);box-shadow:var(--sh-2)}
.btn-ghost{background:transparent;color:var(--brand-900);border-color:var(--line)}
.btn-ghost:hover{border-color:var(--brand-500);color:var(--brand-900);background:#fff;transform:translateY(-2px)}
.btn-block{width:100%}
.channelbar{position:sticky;top:0;z-index:55;background:rgba(247,244,239,.94);backdrop-filter:blur(10px);border-bottom:1px solid var(--line)}
.channels{display:flex;align-items:center;gap:8px;height:52px;overflow-x:auto;scroll-snap-type:x proximity;scrollbar-width:none;-ms-overflow-style:none}
.channels::-webkit-scrollbar{display:none}
.channel{
  scroll-snap-align:start;flex:0 0 auto;
  padding:8px 18px;border-radius:var(--r-pill);
  font-size:.9375rem;font-weight:600;color:var(--ink-70);
  transition:background var(--t),color var(--t);
}
.channel:hover{background:var(--paper-2);color:var(--brand-900)}
.channel.is-active{background:var(--brand-900);color:#fff}
.channel.is-active:hover{background:var(--brand-700);color:#fff}

/* ---------- mobile drawer ---------- */
.drawer{position:fixed;inset:0;z-index:80;display:none}
.drawer.is-open{display:block}
.drawer-panel{position:absolute;top:0;right:0;bottom:0;width:min(320px,86vw);background:var(--paper);border-left:1px solid var(--line);box-shadow:-20px 0 44px -22px rgba(10,46,41,.3);padding:22px;display:flex;flex-direction:column;gap:8px;overflow-y:auto}
.drawer-close{align-self:flex-end;width:44px;height:44px;border-radius:12px;border:1px solid var(--line);background:#fff;display:grid;place-items:center;cursor:pointer;color:var(--brand-900)}
.drawer-search{display:flex;align-items:center;gap:8px;background:#fff;border:1px solid var(--line);border-radius:var(--r-input);padding:8px 12px;margin:6px 0 4px}
.drawer-search input{border:0;outline:none;background:transparent;width:100%;font-size:.9375rem}
.drawer-link{display:flex;align-items:center;justify-content:space-between;min-height:48px;padding:0 14px;border-radius:12px;color:var(--ink);font-weight:600;font-size:.9375rem;transition:background var(--t),color var(--t)}
.drawer-link:hover{background:var(--paper-2);color:var(--brand-900)}
.drawer-link.is-active{background:var(--brand-900);color:#fff}
.drawer-mask{position:absolute;inset:0;background:rgba(10,46,41,.42)}

/* ---------- breadcrumb ---------- */
.crumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:.875rem;color:var(--ink-58);padding:22px 0 16px}
.crumb a{color:var(--ink-70)}
.crumb a:hover{color:var(--brand-900)}
.crumb .sep{color:var(--disabled)}
.crumb .now{color:var(--brand-900);font-weight:600}

/* ---------- page hero ---------- */
.page-hero{position:relative;overflow:hidden;border-radius:24px;background:#0A2E29 url('/assets/images/backpic/back-2.png') center/cover no-repeat;color:#fff;padding:58px 48px 54px;box-shadow:var(--sh-2)}
.page-hero::after{content:"";position:absolute;inset:0;background:linear-gradient(102deg,rgba(10,46,41,.94) 0%,rgba(14,66,57,.82) 46%,rgba(10,46,41,.42) 100%)}
.page-hero::before{content:"";position:absolute;inset:0;background-image:radial-gradient(rgba(255,255,255,.10) 1px,transparent 1px);background-size:18px 18px;opacity:.5;z-index:1}
.page-hero > *{position:relative;z-index:2}
.page-hero h1{font-size:clamp(1.75rem,3.6vw,2.75rem);line-height:1.16;font-weight:800;letter-spacing:-.02em;margin:14px 0 14px;max-width:20ch}
.page-hero p{color:rgba(255,255,255,.82);max-width:56ch;font-size:1rem}
.hero-tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:24px}
.hero-tag{display:inline-flex;align-items:center;gap:8px;padding:7px 14px;border:1px solid rgba(255,255,255,.24);border-radius:var(--r-pill);font-size:.8125rem;color:rgba(255,255,255,.9);letter-spacing:.03em}
.hero-tag b{font-weight:700;color:#fff}
.eyebrow{display:inline-flex;align-items:center;gap:10px;font-size:.8125rem;letter-spacing:.18em;text-transform:uppercase;color:var(--accent-500);font-weight:700}
.eyebrow::before{content:"";width:16px;height:2px;background:var(--accent-500);display:block}
.eyebrow.on-dark{color:#F5A47C}
.eyebrow.on-dark::before{background:#F5A47C}

/* ---------- sections ---------- */
.section{padding:96px 0}
.section.tight{padding:72px 0}
.section.alt{background:var(--paper-2)}
.section-head{max-width:720px;margin-bottom:44px}
.section-head h2{font-size:clamp(1.5rem,2.6vw,2.25rem);margin:14px 0 12px;letter-spacing:-.02em}
.section-head p{color:var(--ink-70);font-size:.9375rem}
.section-head.center{margin-left:auto;margin-right:auto;text-align:center}
.section-head.center .eyebrow{justify-content:center}

/* ---------- plan matrix ---------- */
.matrix-wrap{overflow-x:auto;border:1px solid var(--line);border-radius:var(--r-card);background:#fff;box-shadow:var(--sh-1)}
.matrix{display:grid;grid-template-columns:minmax(170px,1.15fr) repeat(3,minmax(150px,1fr));min-width:720px}
.matrix-row{display:contents}
.matrix-cell{padding:18px 20px;border-bottom:1px solid var(--line);border-right:1px solid var(--line);font-size:.9375rem;display:flex;align-items:center;gap:10px;transition:background var(--t)}
.matrix-cell:last-child{border-right:0}
.matrix-row:last-child .matrix-cell{border-bottom:0}
.matrix-head .matrix-cell{background:var(--paper);font-weight:700;color:var(--brand-900);flex-direction:column;align-items:flex-start;gap:6px;padding-top:22px;padding-bottom:22px}
.matrix-head .cell-label{justify-content:flex-end;font-size:.8125rem;letter-spacing:.12em;color:var(--ink-58);font-weight:600}
.cell-label{position:sticky;left:0;background:#fff;z-index:2;font-weight:600;color:var(--ink-70);border-right:1px solid var(--line)}
.matrix-head .cell-label{background:var(--paper)}
.matrix-row:hover .matrix-cell{background:rgba(239,234,225,.55)}
.matrix-row:hover .cell-label{background:var(--paper-2)}
.cell-plan strong{font-size:1.0625rem;letter-spacing:-.01em}
.cell-plan span{font-size:.75rem;color:var(--ink-58);font-weight:500}
.is-featured{position:relative;background:rgba(20,105,90,.055)!important}
.matrix-row:hover .is-featured{background:rgba(20,105,90,.10)!important}
.badge{display:inline-flex;align-items:center;padding:3px 9px;border-radius:6px;font-size:.6875rem;font-weight:700;letter-spacing:.06em;border:1px solid var(--line);color:var(--ink-70);background:#fff}
.badge-accent{background:var(--accent-500);border-color:var(--accent-500);color:#fff}
.badge-brand{background:rgba(20,105,90,.10);border-color:rgba(20,105,90,.24);color:var(--brand-700)}
.tick{color:var(--brand-500);font-weight:700}
.dash{color:var(--disabled);font-weight:700}
.cell-note{display:block;font-size:.8125rem;color:var(--ink-58);line-height:1.6}
.matrix-foot{display:flex;flex-wrap:wrap;gap:12px;align-items:center;justify-content:space-between;padding:22px 24px;border-top:1px solid var(--line);background:var(--paper)}
.matrix-foot p{font-size:.875rem;color:var(--ink-70);max-width:60ch}

/* ---------- plan cards (mobile) ---------- */
.plan-cards{display:none;grid-template-columns:1fr;gap:18px}
.plan-card{border:1px solid var(--line);border-radius:var(--r-card);background:#fff;padding:24px;box-shadow:var(--sh-1)}
.plan-card.is-featured{border-color:rgba(20,105,90,.35);box-shadow:var(--sh-2)}
.plan-card-head{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:6px}
.plan-card-head h3{font-size:1.125rem;letter-spacing:-.01em}
.plan-card > p{font-size:.875rem;color:var(--ink-70);margin-bottom:16px}
.spec-row{display:flex;align-items:flex-start;justify-content:space-between;gap:14px;padding:12px 0;border-top:1px solid var(--line);font-size:.875rem}
.spec-row dt{color:var(--ink-58);flex:0 0 40%}
.spec-row dd{margin:0;text-align:right;font-weight:600;font-variant-numeric:tabular-nums}
.plan-card .btn{margin-top:20px}

/* ---------- feature rows ---------- */
.feature-row{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center;margin-bottom:72px}
.feature-row:last-child{margin-bottom:0}
.feature-row.reverse .feature-media{order:2}
.feature-media{position:relative;border-radius:20px;overflow:hidden;background:var(--paper-2);box-shadow:var(--sh-2)}
.feature-media img{width:100%;aspect-ratio:16/11;object-fit:cover;transition:transform 420ms var(--ease)}
.feature-media:hover img{transform:scale(1.03)}
.feature-body h3{font-size:clamp(1.25rem,2vw,1.625rem);margin:14px 0 14px;letter-spacing:-.02em}
.feature-body > p{color:var(--ink-70);font-size:.9375rem;margin-bottom:22px}
.spec-list li{display:flex;align-items:baseline;justify-content:space-between;gap:16px;padding:13px 0;border-top:1px solid var(--line);font-size:.9375rem}
.spec-list li:last-child{border-bottom:1px solid var(--line)}
.spec-list span{color:var(--ink-58)}
.spec-list strong{font-weight:700;font-variant-numeric:tabular-nums;text-align:right}

/* ---------- step list ---------- */
.step-list{border-top:1px solid var(--line)}
.step-item{display:grid;grid-template-columns:56px minmax(0,1fr) auto;gap:20px;align-items:center;padding:26px 4px;border-bottom:1px solid var(--line);border-left:4px solid transparent;transition:border-color var(--t),background var(--t),padding-left var(--t)}
.step-item:hover{border-left-color:var(--accent-500);background:#fff;padding-left:18px}
.step-no{font-size:1.25rem;font-weight:800;color:var(--brand-500);font-variant-numeric:tabular-nums;letter-spacing:.02em}
.step-item h3{font-size:1.0625rem;margin-bottom:6px}
.step-item p{font-size:.875rem;color:var(--ink-70);max-width:64ch}
.step-tag{font-size:.8125rem;color:var(--brand-700);background:rgba(20,105,90,.09);border:1px solid rgba(20,105,90,.22);border-radius:var(--r-pill);padding:6px 14px;white-space:nowrap}

/* ---------- faq ---------- */
.accordion{--bs-accordion-border-color:transparent;--bs-accordion-bg:transparent;--bs-accordion-btn-focus-box-shadow:none;--bs-accordion-body-padding-x:0;--bs-accordion-body-padding-y:0}
.accordion-item{border:0;border-top:1px solid var(--line);background:transparent}
.accordion-item:last-child{border-bottom:1px solid var(--line)}
.accordion-button{background:transparent;padding:22px 44px 22px 0;font-size:1rem;font-weight:600;color:var(--ink);line-height:1.5;position:relative;transition:color var(--t)}
.accordion-button::after{display:none}
.accordion-button .faq-no{font-variant-numeric:tabular-nums;color:var(--brand-500);font-weight:800;margin-right:16px;font-size:.9375rem}
.accordion-button .faq-icon{position:absolute;right:6px;width:26px;height:26px;border:1px solid var(--line);border-radius:50%;display:grid;place-items:center;color:var(--brand-700);transition:transform var(--t),border-color var(--t),color var(--t)}
.accordion-button:not(.collapsed){color:var(--brand-900);box-shadow:none}
.accordion-button:not(.collapsed) .faq-icon{transform:rotate(180deg);border-color:var(--brand-500);color:var(--brand-900)}
.accordion-button:hover{color:var(--brand-700)}
.accordion-body{padding:0 60px 24px 0;color:var(--ink-70);font-size:.9375rem;line-height:1.9}

/* ---------- cta band ---------- */
.cta-band{position:relative;overflow:hidden;border-radius:24px;background:#0A2E29 url('/assets/images/backpic/back-3.png') center/cover no-repeat;color:#fff;padding:48px;display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:28px}
.cta-band::after{content:"";position:absolute;inset:0;background:linear-gradient(96deg,rgba(10,46,41,.95),rgba(14,66,57,.72))}
.cta-band::before{content:"";position:absolute;inset:0;background-image:radial-gradient(rgba(255,255,255,.09) 1px,transparent 1px);background-size:16px 16px;z-index:1}
.cta-band > *{position:relative;z-index:2}
.cta-band h2{font-size:clamp(1.375rem,2.4vw,2rem);letter-spacing:-.02em;margin-bottom:10px}
.cta-band p{color:rgba(255,255,255,.78);font-size:.9375rem;max-width:52ch}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px}
.btn-outline-light-custom{background:transparent;border:1px solid rgba(255,255,255,.35);color:#fff}
.btn-outline-light-custom:hover{background:rgba(255,255,255,.12);color:#fff;transform:translateY(-2px)}

/* ---------- consult form ---------- */
.consult{display:grid;grid-template-columns:5fr 7fr;gap:56px;align-items:start}
.consult-info h2{font-size:clamp(1.5rem,2.4vw,2rem);margin:14px 0 16px;letter-spacing:-.02em}
.consult-info > p{color:var(--ink-70);font-size:.9375rem;margin-bottom:26px}
.point-list li{display:flex;gap:12px;align-items:flex-start;padding:12px 0;font-size:.9375rem;color:var(--ink-70)}
.point-list b{color:var(--brand-900);font-weight:700}
.dot{width:8px;height:8px;border-radius:2px;background:var(--accent-500);margin-top:11px;flex:0 0 8px}
.form-card{background:#fff;border:1px solid var(--line);border-radius:var(--r-card);padding:30px;box-shadow:var(--sh-2)}
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px}
.field{display:flex;flex-direction:column;gap:8px}
.field.full{grid-column:1/-1}
.field label{font-size:.875rem;font-weight:600;color:var(--ink-70)}
.field input,.field select,.field textarea{
  width:100%;background:var(--paper);border:1px solid var(--line);border-radius:var(--r-input);
  padding:12px 14px;font-size:.9375rem;outline:none;transition:border-color var(--t),box-shadow var(--t),background var(--t);
}
.field textarea{min-height:110px;resize:vertical}
.field input:focus,.field select:focus,.field textarea:focus{border-color:var(--accent-500);box-shadow:0 0 0 3px rgba(240,103,42,.14);background:#fff}
.field .hint{font-size:.75rem;color:var(--ink-58)}
.checkline{display:flex;align-items:flex-start;gap:10px;font-size:.8125rem;color:var(--ink-58);grid-column:1/-1}
.checkline input{width:18px;height:18px;margin-top:3px;accent-color:var(--brand-500);flex:0 0 18px}
.form-note{grid-column:1/-1;font-size:.75rem;color:var(--ink-58)}

/* ---------- footer ---------- */
.site-footer{background:var(--brand-900);color:rgba(255,255,255,.72);padding:72px 0 0;margin-top:0}
.site-footer h4{font-size:.9375rem;color:#fff;margin-bottom:18px;letter-spacing:.02em}
.f-brand{display:flex;align-items:center;gap:12px;margin-bottom:18px}
.f-brand .brand-mark{background:rgba(255,255,255,.10);border:1px solid rgba(255,255,255,.18)}
.f-brand strong{color:#fff;font-size:1.0625rem;font-weight:800}
.site-footer p{font-size:.875rem;line-height:1.85;color:rgba(255,255,255,.62);max-width:40ch}
.f-links{display:flex;flex-direction:column;gap:11px}
.f-links a{color:rgba(255,255,255,.72);font-size:.875rem;width:fit-content;position:relative}
.f-links a::after{content:"";position:absolute;left:0;bottom:-2px;width:0;height:1px;background:var(--accent-500);transition:width var(--t)}
.f-links a:hover{color:#fff}
.f-links a:hover::after{width:100%}
.footer-bottom{display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;border-top:1px solid rgba(255,255,255,.12);margin-top:56px;padding:24px 0 28px;font-size:.8125rem;color:rgba(255,255,255,.52)}

/* ---------- misc ---------- */
.back-top{position:fixed;right:22px;bottom:26px;width:46px;height:46px;border-radius:14px;border:1px solid var(--line);background:#fff;color:var(--brand-900);display:grid;place-items:center;cursor:pointer;opacity:0;visibility:hidden;transform:translateY(10px);transition:opacity var(--t),transform var(--t),visibility var(--t),box-shadow var(--t);z-index:70;box-shadow:var(--sh-2)}
.back-top.is-show{opacity:1;visibility:visible;transform:translateY(0)}
.back-top:hover{box-shadow:var(--sh-3);color:var(--accent-500)}
.reveal{opacity:0;transform:translateY(12px);transition:opacity 620ms var(--ease),transform 620ms var(--ease)}
.reveal.is-in{opacity:1;transform:none}

@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation:none!important;transition:none!important}
  .reveal{opacity:1;transform:none}
  html{scroll-behavior:auto}
}

/* ---------- responsive ---------- */
@media (max-width:1199px){
  .section{padding:84px 0}
  .feature-row{gap:40px}
  .consult{gap:40px}
}
@media (max-width:991px){
  .brand-text em{display:none}
  .search-box{display:none}
  .icon-btn.search-trigger{display:grid}
  .icon-btn.menu-trigger{display:grid}
  .btn-cta{display:none}
  .section{padding:72px 0}
  .section.tight{padding:60px 0}
  .matrix-wrap{display:none}
  .plan-cards{display:grid}
  .feature-row{grid-template-columns:1fr;gap:28px;margin-bottom:56px}
  .feature-row.reverse .feature-media{order:0}
  .consult{grid-template-columns:1fr}
  .page-hero{padding:44px 30px}
  .cta-band{padding:36px}
  .step-item{grid-template-columns:44px minmax(0,1fr);gap:14px;align-items:start}
  .step-tag{grid-column:2;justify-self:start;margin-top:10px}
}
@media (max-width:767px){
  .brandbar-inner{height:56px}
  .brand-mark{width:36px;height:36px;flex:0 0 36px;border-radius:10px}
  .brand-text strong{font-size:1rem}
  .channels{height:48px;gap:6px}
  .channel{padding:7px 14px;font-size:.875rem}
  .section{padding:56px 0}
  .section.tight{padding:48px 0}
  .section-head{margin-bottom:30px}
  .page-hero{padding:34px 22px;border-radius:18px}
  .page-hero h1{max-width:none}
  .crumb{padding:16px 0 12px;font-size:.8125rem}
  .matrix-foot{padding:18px}
  .form-grid{grid-template-columns:1fr}
  .form-card{padding:22px}
  .cta-band{padding:28px 22px;border-radius:20px}
  .cta-actions{width:100%}
  .cta-actions .btn{flex:1 1 auto}
  .accordion-button{padding:18px 40px 18px 0;font-size:.9375rem}
  .accordion-body{padding:0 26px 20px 0}
  .site-footer{padding-top:52px}
  .footer-bottom{margin-top:40px}
  .back-top{right:14px;bottom:16px}
}
@media (max-width:519px){
  .container{padding:0 16px}
  .brand-actions{gap:8px}
  .icon-btn{width:42px;height:42px}
  .spec-list li{flex-direction:column;gap:4px}
  .spec-list strong{text-align:left}
  .plan-card{padding:20px}
}

/* roulang page: category3 */
:root{
  --brand-900:#0A2E29;
  --brand-700:#0E4239;
  --brand-500:#14695A;
  --brand-050:#E7EFEC;
  --accent-500:#F0672A;
  --accent-050:#FDEDE5;
  --paper:#F7F4EF;
  --paper-2:#EFEAE1;
  --ink:#14171A;
  --ink-65:rgba(20,23,26,.65);
  --ink-45:rgba(20,23,26,.45);
  --line:#E2DCD1;
  --muted:#B9B2A6;
  --card:#FFFFFF;
  --r-card:16px;
  --r-img:20px;
  --r-input:12px;
  --sh-1:0 1px 2px rgba(20,23,26,.04);
  --sh-2:0 12px 32px -12px rgba(10,46,41,.18);
  --sh-3:0 18px 46px -14px rgba(10,46,41,.28);
  --ease:cubic-bezier(.22,.61,.36,1);
  --t:220ms var(--ease);

  --bs-body-bg:var(--paper);
  --bs-body-color:var(--ink);
  --bs-primary:#14695A;
  --bs-primary-rgb:20,105,90;
  --bs-link-color:#14695A;
  --bs-link-hover-color:#0E4239;
  --bs-border-color:#E2DCD1;
  --bs-border-radius:16px;
  --bs-font-sans-serif:"PingFang SC","HarmonyOS Sans SC","Noto Sans SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
}

*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--bs-font-sans-serif);
  font-size:1rem;
  line-height:1.85;
  color:var(--ink);
  background:var(--paper);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:var(--brand-500);text-decoration:none;transition:color var(--t);}
a:hover{color:var(--brand-900);}
button,input,select,textarea{font:inherit;color:inherit;}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4,h5{margin:0;color:var(--ink);font-weight:700;letter-spacing:-.01em;}
p{margin:0;}
:focus-visible{outline:2px solid var(--accent-500);outline-offset:2px;border-radius:4px;}

.container{
  --bs-gutter-x:0;
  width:100%;
  max-width:1200px;
  margin-right:auto;
  margin-left:auto;
  padding-left:20px;
  padding-right:20px;
}
@media (min-width:1200px){ .container{max-width:1200px;} }
@media (min-width:1400px){ .container{max-width:1280px;} }

/* ---------- 基础排版组件 ---------- */
.section{padding:96px 0;}
.section-sm{padding:64px 0;}
.section-alt{background:var(--paper-2);}
.eyebrow{
  display:inline-flex;align-items:center;gap:10px;
  font-size:.8125rem;letter-spacing:.18em;font-weight:700;
  color:var(--accent-500);text-transform:uppercase;
}
.eyebrow::before{content:"";width:16px;height:2px;background:var(--accent-500);border-radius:2px;}
.sec-head{max-width:760px;margin-bottom:44px;}
.sec-head h2{font-size:clamp(1.5rem,2.6vw,2.5rem);line-height:1.2;margin-top:14px;}
.sec-head p{margin-top:14px;font-size:1rem;color:var(--ink-65);}
.lede{font-size:1.0625rem;line-height:1.9;color:var(--ink-65);}

.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:46px;padding:0 26px;border-radius:999px;border:1px solid transparent;
  font-size:.9375rem;font-weight:600;letter-spacing:.01em;cursor:pointer;
  transition:transform var(--t),box-shadow var(--t),background-color var(--t),color var(--t),border-color var(--t);
}
.btn:active{transform:translateY(1px);}
.btn-accent{background:var(--accent-500);color:#fff;box-shadow:0 8px 20px -10px rgba(240,103,42,.75);}
.btn-accent:hover{background:#D9561E;color:#fff;transform:translateY(-2px);box-shadow:0 14px 28px -12px rgba(240,103,42,.85);}
.btn-brand{background:var(--brand-700);color:#fff;}
.btn-brand:hover{background:var(--brand-900);color:#fff;transform:translateY(-2px);box-shadow:var(--sh-2);}
.btn-ghost{background:transparent;border-color:var(--line);color:var(--ink);}
.btn-ghost:hover{border-color:var(--brand-500);color:var(--brand-700);background:#fff;}
.btn-sm{min-height:40px;padding:0 18px;font-size:.875rem;}
.btn-block{width:100%;}

.badge-soft{
  display:inline-flex;align-items:center;gap:6px;
  padding:4px 12px;border-radius:6px;border:1px solid var(--line);
  font-size:.75rem;letter-spacing:.06em;font-weight:600;color:var(--ink-65);background:#fff;
}
.badge-accent{background:var(--accent-050);border-color:rgba(240,103,42,.3);color:#B94A17;}
.badge-brand{background:var(--brand-050);border-color:rgba(20,105,90,.25);color:var(--brand-700);}

.link-underline{position:relative;color:var(--brand-700);font-weight:600;}
.link-underline::after{
  content:"";position:absolute;left:0;bottom:-2px;width:0;height:2px;
  background:var(--accent-500);transition:width var(--t);
}
.link-underline:hover::after{width:100%;}

/* ---------- 顶部双层导航 ---------- */
.site-header{position:relative;z-index:60;background:var(--paper);}
.brandbar{border-bottom:1px solid var(--line);background:var(--paper);}
.brandbar-inner{
  display:flex;align-items:center;justify-content:space-between;gap:18px;
  min-height:68px;
}
.brand{display:inline-flex;align-items:center;gap:12px;}
.brand-mark{
  width:42px;height:42px;flex:0 0 42px;border-radius:10px;
  background:var(--brand-900);color:#fff;font-weight:800;font-size:.9375rem;letter-spacing:.04em;
  display:inline-flex;align-items:center;justify-content:center;
}
.brand-text{display:flex;flex-direction:column;line-height:1.25;}
.brand-text strong{font-size:1.125rem;font-weight:800;letter-spacing:-.01em;color:var(--ink);}
.brand-text em{font-style:normal;font-size:.75rem;color:var(--ink-45);letter-spacing:.02em;}
.brand-actions{display:flex;align-items:center;gap:10px;}
.search-box{
  display:flex;align-items:center;gap:6px;
  height:42px;padding:0 8px 0 16px;border:1px solid var(--line);border-radius:999px;
  background:#fff;transition:border-color var(--t),box-shadow var(--t);
}
.search-box:focus-within{border-color:var(--brand-500);box-shadow:0 0 0 3px rgba(20,105,90,.12);}
.search-box input{
  width:216px;border:none;outline:none;background:transparent;font-size:.875rem;
}
.search-box input::placeholder{color:var(--muted);}
.search-box button{
  width:32px;height:32px;border:none;border-radius:50%;background:var(--brand-050);
  color:var(--brand-700);display:inline-flex;align-items:center;justify-content:center;cursor:pointer;
  transition:background-color var(--t),color var(--t);
}
.search-box button:hover{background:var(--brand-700);color:#fff;}
.icon-btn{
  width:42px;height:42px;border-radius:50%;border:1px solid var(--line);background:#fff;
  color:var(--ink);display:none;align-items:center;justify-content:center;cursor:pointer;
  transition:border-color var(--t),color var(--t),background-color var(--t);
}
.icon-btn:hover{border-color:var(--brand-500);color:var(--brand-700);}
.btn-cta{white-space:nowrap;}

.channelbar{
  position:sticky;top:0;z-index:55;
  background:rgba(247,244,239,.94);
  backdrop-filter:blur(10px);
  border-bottom:1px solid var(--line);
}
.channels{
  display:flex;align-items:center;gap:8px;
  height:52px;overflow-x:auto;scroll-snap-type:x proximity;
  -ms-overflow-style:none;scrollbar-width:none;
}
.channels::-webkit-scrollbar{display:none;}
.channel{
  flex:0 0 auto;scroll-snap-align:start;
  display:inline-flex;align-items:center;height:38px;padding:0 18px;border-radius:999px;
  font-size:.9375rem;font-weight:600;color:var(--ink-65);white-space:nowrap;
  transition:background-color var(--t),color var(--t);
}
.channel:hover{background:#fff;color:var(--brand-700);}
.channel.is-active{background:var(--brand-900);color:#fff;}
.channel.is-active:hover{background:var(--brand-900);color:#fff;}

/* 移动端抽屉 */
.mobile-menu{
  position:fixed;inset:0 0 0 auto;width:min(88vw,340px);
  background:var(--paper);border-left:1px solid var(--line);
  transform:translateX(102%);transition:transform 260ms var(--ease);
  z-index:200;padding:22px 20px;overflow-y:auto;
  box-shadow:-16px 0 40px -20px rgba(10,46,41,.35);
}
.mobile-menu.is-open{transform:translateX(0);}
.mobile-menu h4{font-size:.8125rem;letter-spacing:.16em;color:var(--ink-45);margin-bottom:12px;}
.mobile-menu nav{display:flex;flex-direction:column;gap:4px;margin-bottom:22px;}
.mobile-menu nav a{
  display:flex;align-items:center;justify-content:space-between;
  min-height:46px;padding:0 14px;border-radius:12px;font-weight:600;color:var(--ink);
  border:1px solid transparent;
}
.mobile-menu nav a:hover{background:#fff;border-color:var(--line);}
.mobile-menu nav a.is-active{background:var(--brand-900);color:#fff;}
.menu-close{
  width:44px;height:44px;border-radius:50%;border:1px solid var(--line);background:#fff;
  display:inline-flex;align-items:center;justify-content:center;cursor:pointer;margin-bottom:18px;
}
.menu-backdrop{
  position:fixed;inset:0;background:rgba(10,46,41,.42);opacity:0;visibility:hidden;
  transition:opacity 260ms var(--ease),visibility 260ms var(--ease);z-index:190;
}
.menu-backdrop.is-open{opacity:1;visibility:visible;}

/* ---------- 页面头图带 ---------- */
.page-hero{
  position:relative;overflow:hidden;
  padding:64px 0 68px;
  background-color:var(--paper-2);
  background-image:
    linear-gradient(180deg,rgba(247,244,239,.96) 0%,rgba(247,244,239,.88) 55%,rgba(239,234,225,.96) 100%),
    url("/assets/images/backpic/back-3.png");
  background-size:cover;background-position:center;
  border-bottom:1px solid var(--line);
}
.page-hero::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:
    linear-gradient(to right,rgba(10,46,41,.045) 1px,transparent 1px),
    linear-gradient(to bottom,rgba(10,46,41,.045) 1px,transparent 1px);
  background-size:64px 64px;
}
.page-hero > .container{position:relative;z-index:2;}
.crumb{display:flex;align-items:center;gap:8px;font-size:.8125rem;color:var(--ink-45);margin-bottom:20px;}
.crumb a{color:var(--ink-45);}
.crumb a:hover{color:var(--brand-700);}
.crumb .current{color:var(--brand-700);font-weight:600;}
.page-hero h1{
  font-size:clamp(1.875rem,4vw,3rem);
  line-height:1.16;font-weight:800;letter-spacing:-.02em;margin-top:14px;
}
.page-hero .lede{margin-top:16px;max-width:640px;}
.hero-chips{display:flex;flex-wrap:wrap;gap:10px;margin-top:26px;}
.chip{
  display:inline-flex;align-items:center;gap:8px;
  min-height:40px;padding:0 16px;border-radius:999px;
  background:#fff;border:1px solid var(--line);font-size:.875rem;font-weight:600;color:var(--ink-65);
  transition:border-color var(--t),color var(--t),transform var(--t),box-shadow var(--t);
}
.chip:hover{border-color:var(--brand-500);color:var(--brand-700);transform:translateY(-2px);box-shadow:var(--sh-1);}
.chip i{width:7px;height:7px;border-radius:2px;background:var(--accent-500);display:inline-block;font-style:normal;}

.hero-media{
  position:relative;border-radius:var(--r-img);overflow:hidden;
  aspect-ratio:3/2;background:var(--paper-2);box-shadow:var(--sh-2);
}
.hero-media img{width:100%;height:100%;object-fit:cover;transition:transform 420ms var(--ease);}
.hero-media:hover img{transform:scale(1.03);}
.float-card{
  position:absolute;left:18px;bottom:18px;
  display:flex;align-items:center;gap:12px;
  padding:12px 16px;border-radius:14px;background:rgba(255,255,255,.95);
  border:1px solid var(--line);box-shadow:var(--sh-2);
  animation:floatY 3.6s ease-in-out infinite;
}
@keyframes floatY{0%,100%{transform:translateY(0);}50%{transform:translateY(-4px);}}
.float-card .num{font-size:1.375rem;font-weight:800;font-variant-numeric:tabular-nums;color:var(--brand-900);}
.float-card .txt{font-size:.75rem;color:var(--ink-45);line-height:1.4;}

/* ---------- 数据条 ---------- */
.stat-strip{
  display:grid;grid-template-columns:repeat(4,1fr);gap:18px;
  margin-top:44px;padding:22px 24px;border-radius:var(--r-card);
  background:#fff;border:1px solid var(--line);box-shadow:var(--sh-1);
}
.stat-item{padding-left:18px;border-left:2px solid var(--brand-050);}
.stat-item:first-child{border-left-color:var(--accent-500);}
.stat-item dt{font-size:.8125rem;color:var(--ink-45);letter-spacing:.04em;}
.stat-item dd{
  margin:6px 0 0;font-size:1.5rem;font-weight:800;color:var(--brand-900);
  font-variant-numeric:tabular-nums;line-height:1.2;
}

/* ---------- 帮助中心双栏 ---------- */
.qa-layout{display:grid;grid-template-columns:280px minmax(0,1fr);gap:44px;align-items:start;}
.qa-aside{position:sticky;top:76px;}
.toc-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-card);
  padding:22px;box-shadow:var(--sh-1);
}
.toc-title{font-size:1rem;font-weight:700;}
.toc-note{margin-top:6px;font-size:.8125rem;color:var(--ink-45);}
.toc-list{display:flex;flex-direction:column;gap:2px;margin-top:16px;}
.toc-link{
  display:flex;align-items:center;justify-content:space-between;gap:10px;
  min-height:44px;padding:0 12px;border-radius:10px;
  font-size:.9375rem;font-weight:600;color:var(--ink-65);
  border-left:3px solid transparent;transition:background-color var(--t),color var(--t),border-color var(--t);
}
.toc-link span{
  font-size:.75rem;font-weight:700;color:var(--ink-45);
  font-variant-numeric:tabular-nums;background:var(--paper-2);
  border-radius:6px;padding:1px 8px;
}
.toc-link:hover{background:var(--paper);color:var(--brand-700);}
.toc-link.is-active{background:var(--brand-050);color:var(--brand-900);border-left-color:var(--accent-500);}
.toc-link.is-active span{background:#fff;color:var(--brand-700);}
.toc-foot{
  margin-top:18px;padding-top:16px;border-top:1px solid var(--line);
  font-size:.8125rem;color:var(--ink-45);
}
.toc-foot a{font-weight:600;color:var(--brand-700);}
.toc-toggle{display:none;}

.search-row{
  display:flex;align-items:center;gap:12px;flex-wrap:wrap;
  padding:16px 18px;border-radius:var(--r-card);
  background:#fff;border:1px solid var(--line);box-shadow:var(--sh-1);margin-bottom:32px;
}
.search-field{
  flex:1 1 260px;display:flex;align-items:center;gap:10px;
  height:48px;padding:0 16px;border:1px solid var(--line);border-radius:var(--r-input);
  background:var(--paper);transition:border-color var(--t),box-shadow var(--t),background-color var(--t);
}
.search-field:focus-within{border-color:var(--accent-500);background:#fff;box-shadow:0 0 0 3px rgba(240,103,42,.12);}
.search-field input{flex:1;border:none;outline:none;background:transparent;font-size:.9375rem;}
.search-field input::placeholder{color:var(--muted);}
.search-hint{font-size:.8125rem;color:var(--ink-45);}

.qa-group{margin-bottom:40px;scroll-margin-top:84px;}
.qa-group-head{display:flex;align-items:center;gap:12px;margin-bottom:8px;}
.qa-group-head h3{font-size:1.375rem;font-weight:700;}
.qa-group-tag{
  font-size:.75rem;letter-spacing:.06em;font-weight:700;color:var(--brand-700);
  background:var(--brand-050);border-radius:6px;padding:3px 10px;
}
.qa-group-desc{font-size:.9375rem;color:var(--ink-65);margin-bottom:12px;}

.qa-item{border-bottom:1px solid var(--line);}
.qa-q{
  width:100%;display:flex;align-items:flex-start;gap:14px;text-align:left;
  padding:20px 0;background:none;border:none;cursor:pointer;color:var(--ink);
  transition:color var(--t);
}
.qa-q:hover{color:var(--brand-700);}
.qa-index{
  flex:0 0 30px;font-size:.8125rem;font-weight:800;color:var(--accent-500);
  font-variant-numeric:tabular-nums;padding-top:5px;letter-spacing:.04em;
}
.qa-qtext{flex:1;font-size:1.0625rem;font-weight:600;line-height:1.65;}
.qa-icon{
  flex:0 0 26px;width:26px;height:26px;border-radius:50%;border:1px solid var(--line);
  display:inline-flex;align-items:center;justify-content:center;color:var(--brand-700);
  transition:transform var(--t),border-color var(--t),background-color var(--t);
  margin-top:3px;
}
.qa-item.is-open .qa-icon{transform:rotate(180deg);border-color:var(--accent-500);background:var(--accent-050);color:var(--accent-500);}
.qa-body{display:grid;grid-template-rows:0fr;transition:grid-template-rows 260ms var(--ease);}
.qa-item.is-open .qa-body{grid-template-rows:1fr;}
.qa-body-inner{overflow:hidden;}
.qa-answer{
  padding:0 0 22px 44px;font-size:.9375rem;line-height:1.9;color:var(--ink-65);max-width:760px;
}
.qa-answer strong{color:var(--ink);font-weight:600;}
.qa-meta{display:flex;flex-wrap:wrap;gap:8px;margin-top:12px;}

.qa-empty{
  padding:34px 24px;border:1px dashed var(--line);border-radius:var(--r-card);
  text-align:center;color:var(--ink-45);font-size:.9375rem;background:#fff;
}

/* ---------- 处理流程 ---------- */
.flow{
  display:grid;grid-template-columns:repeat(4,1fr);gap:0;margin-top:12px;
  border-top:1px solid var(--line);padding-top:8px;
}
.flow-step{position:relative;padding:28px 26px 26px 0;}
.flow-step:not(:last-child)::after{
  content:"";position:absolute;right:12px;top:44px;bottom:26px;width:1px;
  background:repeating-linear-gradient(to bottom,var(--line) 0 6px,transparent 6px 12px);
}
.flow-num{
  width:44px;height:44px;border-radius:12px;background:var(--brand-900);color:#fff;
  display:inline-flex;align-items:center;justify-content:center;
  font-weight:800;font-variant-numeric:tabular-nums;margin-bottom:16px;
}
.flow-step h3{font-size:1.0625rem;margin-bottom:8px;}
.flow-step p{font-size:.9375rem;color:var(--ink-65);}
.flow-step .badge-soft{margin-top:14px;}

/* ---------- 图文主次列表 ---------- */
.entry-list{display:grid;gap:18px;}
.entry{
  display:grid;grid-template-columns:220px minmax(0,1fr);gap:24px;align-items:center;
  padding:18px;border-radius:var(--r-card);background:#fff;border:1px solid var(--line);
  box-shadow:var(--sh-1);
  transition:transform var(--t),box-shadow var(--t),border-color var(--t);
}
.entry:hover{transform:translateY(-2px);box-shadow:var(--sh-2);border-color:rgba(20,105,90,.35);}
.entry-thumb{
  aspect-ratio:16/10;border-radius:14px;overflow:hidden;background:var(--paper-2);
}
.entry-thumb img{width:100%;height:100%;object-fit:cover;transition:transform 420ms var(--ease);}
.entry:hover .entry-thumb img{transform:scale(1.04);}
.entry-body h3{font-size:1.125rem;margin-bottom:8px;}
.entry-body p{font-size:.9375rem;color:var(--ink-65);max-width:560px;}
.entry-foot{display:flex;align-items:center;gap:12px;flex-wrap:wrap;margin-top:14px;}

/* ---------- 联系支持 ---------- */
.contact-wrap{
  display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1.05fr);gap:44px;align-items:center;
}
.contact-media{
  border-radius:var(--r-img);overflow:hidden;aspect-ratio:4/3;background:var(--paper-2);
  box-shadow:var(--sh-2);
}
.contact-media img{width:100%;height:100%;object-fit:cover;}
.info-table{border-top:1px solid var(--line);margin-top:26px;}
.info-row{
  display:grid;grid-template-columns:150px minmax(0,1fr);gap:18px;
  padding:18px 0;border-bottom:1px solid var(--line);
}
.info-row dt{font-size:.875rem;font-weight:700;color:var(--brand-700);letter-spacing:.02em;}
.info-row dd{margin:0;font-size:.9375rem;color:var(--ink-65);}
.info-row dd strong{color:var(--ink);font-weight:700;font-variant-numeric:tabular-nums;}

/* ---------- CTA 带 ---------- */
.cta-band{
  position:relative;overflow:hidden;border-radius:24px;
  background:var(--brand-900);color:#fff;padding:52px 48px;
  display:flex;align-items:center;justify-content:space-between;gap:36px;flex-wrap:wrap;
}
.cta-band::after{
  content:"";position:absolute;inset:0;pointer-events:none;opacity:.05;
  background-image:radial-gradient(rgba(255,255,255,.9) 1px,transparent 1px);
  background-size:16px 16px;
}
.cta-band > *{position:relative;z-index:2;}
.cta-band h2{color:#fff;font-size:clamp(1.5rem,2.4vw,2rem);line-height:1.25;}
.cta-band p{color:rgba(255,255,255,.72);margin-top:12px;max-width:620px;font-size:.9375rem;}
.cta-actions{display:flex;gap:12px;flex-wrap:wrap;}
.cta-actions .btn-ghost{border-color:rgba(255,255,255,.32);color:#fff;}
.cta-actions .btn-ghost:hover{background:rgba(255,255,255,.1);border-color:#fff;color:#fff;}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--paper-2);border-top:1px solid var(--line);padding:72px 0 26px;margin-top:0;}
.f-brand{display:flex;align-items:center;gap:12px;margin-bottom:16px;}
.f-brand strong{font-size:1.125rem;font-weight:800;}
.site-footer p{font-size:.9375rem;color:var(--ink-65);max-width:340px;}
.site-footer h4{font-size:.875rem;letter-spacing:.1em;color:var(--ink);margin-bottom:16px;}
.f-links{display:flex;flex-direction:column;gap:2px;}
.f-links a{
  display:inline-flex;align-items:center;min-height:38px;font-size:.9375rem;color:var(--ink-65);
  transition:color var(--t),transform var(--t);
}
.f-links a:hover{color:var(--brand-700);transform:translateX(3px);}
.footer-bottom{
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  margin-top:52px;padding-top:22px;border-top:1px solid var(--line);
  font-size:.8125rem;color:var(--ink-45);
}

/* ---------- 返回顶部 ---------- */
.to-top{
  position:fixed;right:22px;bottom:22px;width:48px;height:48px;border-radius:50%;
  border:1px solid var(--line);background:#fff;color:var(--brand-700);
  display:inline-flex;align-items:center;justify-content:center;cursor:pointer;
  box-shadow:var(--sh-2);opacity:0;visibility:hidden;transform:translateY(10px);
  transition:opacity var(--t),visibility var(--t),transform var(--t),background-color var(--t),color var(--t);
  z-index:120;
}
.to-top.is-visible{opacity:1;visibility:visible;transform:translateY(0);}
.to-top:hover{background:var(--brand-900);color:#fff;border-color:var(--brand-900);}

/* ---------- 入场动效 ---------- */
.reveal{opacity:0;transform:translateY(12px);transition:opacity 520ms var(--ease),transform 520ms var(--ease);}
.reveal.is-visible{opacity:1;transform:none;}
@media (prefers-reduced-motion:reduce){
  .reveal{opacity:1;transform:none;transition:none;}
  .float-card{animation:none;}
  html{scroll-behavior:auto;}
  *{transition-duration:.01ms !important;}
}

/* ---------- 响应式 ---------- */
@media (max-width:1199.98px){
  .qa-layout{grid-template-columns:250px minmax(0,1fr);gap:32px;}
  .section{padding:80px 0;}
  .entry{grid-template-columns:180px minmax(0,1fr);gap:20px;}
}
@media (max-width:991.98px){
  .section{padding:72px 0;}
  .search-box{display:none;}
  .icon-btn{display:inline-flex;}
  .btn-cta{display:none;}
  .brandbar-inner{min-height:56px;}
  .qa-layout{grid-template-columns:minmax(0,1fr);gap:24px;}
  .qa-aside{position:static;}
  .toc-card{padding:18px;}
  .toc-toggle{
    display:flex;align-items:center;justify-content:space-between;width:100%;
    min-height:46px;padding:0 14px;border-radius:12px;border:1px solid var(--line);
    background:var(--paper);font-weight:700;cursor:pointer;margin-top:14px;
  }
  .toc-toggle span{font-size:.8125rem;font-weight:600;color:var(--ink-45);}
  .toc-list{display:none;margin-top:8px;}
  .toc-list.is-open{display:flex;}
  .stat-strip{grid-template-columns:repeat(2,1fr);gap:16px;}
  .flow{grid-template-columns:repeat(2,1fr);}
  .flow-step:nth-child(2)::after{display:none;}
  .contact-wrap{grid-template-columns:minmax(0,1fr);gap:28px;}
  .contact-media{aspect-ratio:16/9;}
  .cta-band{padding:40px 28px;}
  .page-hero{padding:48px 0 52px;}
}
@media (max-width:767.98px){
  .section{padding:56px 0;}
  .sec-head{margin-bottom:32px;}
  .entry{grid-template-columns:minmax(0,1fr);}
  .entry-thumb{aspect-ratio:16/9;}
  .info-row{grid-template-columns:minmax(0,1fr);gap:6px;}
  .flow{grid-template-columns:1fr;}
  .flow-step{padding:22px 0 22px 0;}
  .flow-step::after{display:none !important;}
  .qa-answer{padding-left:0;}
  .qa-index{flex-basis:24px;}
  .cta-band{padding:32px 20px;}
  .cta-actions{width:100%;}
  .cta-actions .btn{width:100%;}
  .brand-text em{display:none;}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:8px;}
}
@media (max-width:575.98px){
  .container{padding-left:16px;padding-right:16px;}
  .stat-strip{grid-template-columns:1fr;padding:18px;}
  .stat-item{border-left:none;padding-left:0;border-top:1px solid var(--line);padding-top:14px;}
  .stat-item:first-child{border-top:none;padding-top:0;}
  .channel{height:36px;padding:0 14px;font-size:.875rem;}
  .page-hero h1{font-size:clamp(1.5rem,7vw,2rem);}
  .qa-qtext{font-size:1rem;}
  .to-top{right:14px;bottom:14px;width:44px;height:44px;}
}