/* roulang page: index */
/* ==================== 设计令牌 ==================== */
:root{
  --c-primary:#0F7C8A;
  --c-primary-dark:#0A5A66;
  --c-primary-light:#D9EEF1;
  --c-lime:#C7F04C;
  --c-orange:#FF5F2E;
  --c-orange-dark:#E14A1C;
  --bg:#F5F9FA;
  --bg-2:#EAF3F5;
  --dark:#0B1A21;
  --t1:#16242C;
  --t2:#5B6C75;
  --t3:#8C9AA1;
  --line:#DCE7EA;
  --err:#D64545;
  --r-card:14px;
  --r-btn:999px;
  --r-btn2:10px;
  --r-badge:6px;
  --sh:0 10px 28px rgba(11,26,33,.08);
  --sh-h:0 14px 34px rgba(11,26,33,.14);
  --container:1240px;
  --sp-1:8px;--sp-2:16px;--sp-3:24px;--sp-4:32px;--sp-5:48px;--sp-6:64px;
}
/* ==================== reset 与基础 ==================== */
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:"PingFang SC","Microsoft YaHei","Source Han Sans SC","Helvetica Neue",Arial,sans-serif;
  font-size:17px;line-height:1.75;color:var(--t1);background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
body.no-scroll{overflow:hidden}
img{max-width:100%;display:block;height:auto}
a{color:var(--c-primary);text-decoration:underline;text-decoration-thickness:1px;text-underline-offset:3px;transition:color .2s ease}
a:hover{color:var(--c-orange)}
h1,h2,h3,h4{margin:0;color:var(--t1);font-weight:800;letter-spacing:.2px}
h1{font-size:clamp(30px,3.4vw,44px);line-height:1.25}
h2{font-size:clamp(23px,2.3vw,30px);line-height:1.3;font-weight:700}
h3{font-size:21px;line-height:1.4;font-weight:600}
p{margin:0 0 18px}
p:last-child{margin-bottom:0}
ul,ol{margin:0 0 18px;padding-left:20px}
li{margin-bottom:8px}
button,input,textarea,select{font:inherit;color:inherit}
button{cursor:pointer;border:0;background:none}
:focus-visible{outline:2px solid var(--c-primary);outline-offset:2px;border-radius:4px}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px}
.section{padding:88px 0}
.section--tight{padding:64px 0}
.section--alt{background:var(--bg-2)}
.section--dark{background:var(--dark);color:#E8F2F4}
.section--dark h2,.section--dark h3{color:#fff}
.num{font-family:"Barlow Condensed","Arial Narrow",Arial,sans-serif;font-variant-numeric:tabular-nums;font-weight:700;letter-spacing:.5px}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}

/* ==================== 顶部进度条 ==================== */
.top-progress{height:4px;background:linear-gradient(90deg,var(--c-primary) 0%,var(--c-primary) 62%,var(--c-lime) 100%)}

/* ==================== 头部导航 ==================== */
.site-header{
  position:sticky;top:0;z-index:80;background:rgba(245,249,250,.92);
  backdrop-filter:saturate(140%) blur(8px);
  border-bottom:1px solid transparent;transition:box-shadow .2s ease,background .2s ease,height .2s ease;
}
.site-header.is-scrolled{background:#fff;box-shadow:0 6px 20px rgba(11,26,33,.08);border-bottom-color:var(--line)}
.nav-wrap{display:grid;grid-template-columns:1fr auto 1fr;align-items:center;gap:20px;height:72px}
.site-header.is-scrolled .nav-wrap{height:64px}
.nav-side{display:flex;align-items:center;gap:26px}
.nav-left{grid-column:1;justify-content:flex-start}
.nav-right{grid-column:3;justify-content:flex-end}
.nav-link{
  position:relative;text-decoration:none;color:var(--t1);font-size:15.5px;font-weight:600;
  padding:10px 2px;transition:color .2s ease;white-space:nowrap;
}
.nav-link::after{
  content:"";position:absolute;left:0;right:0;bottom:2px;height:2px;border-radius:2px;
  background:var(--c-primary);transform:scaleX(0);transform-origin:left;transition:transform .2s ease;
}
.nav-link:hover{color:var(--c-primary)}
.nav-link:hover::after,.nav-link.is-active::after{transform:scaleX(1)}
.nav-link.is-active{color:var(--c-primary)}
.brand{
  grid-column:2;justify-self:center;display:inline-flex;align-items:center;gap:10px;
  text-decoration:none;color:var(--t1);white-space:nowrap;
}
.brand:hover{color:var(--t1)}
.brand-mark{
  width:34px;height:34px;border-radius:10px;background:var(--c-primary);display:grid;place-items:center;
  box-shadow:0 6px 16px rgba(15,124,138,.28);flex:0 0 auto;
}
.brand-mark svg{width:20px;height:20px;display:block}
.brand-text{font-size:19px;font-weight:800;letter-spacing:.4px;line-height:1}
.nav-toggle{
  display:none;grid-column:3;justify-self:end;width:44px;height:44px;border-radius:10px;
  border:1px solid var(--line);align-items:center;justify-content:center;flex-direction:column;gap:5px;background:#fff;
}
.nav-toggle span{display:block;width:20px;height:2px;border-radius:2px;background:var(--t1);transition:transform .25s ease,opacity .25s ease}
.nav-toggle.is-open span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.nav-toggle.is-open span:nth-child(2){opacity:0}
.nav-toggle.is-open span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}

/* 移动面板 */
.mask{position:fixed;inset:0;background:rgba(11,26,33,.55);opacity:0;visibility:hidden;transition:opacity .25s ease,visibility .25s;z-index:88}
.mask.is-open{opacity:1;visibility:visible}
.mobile-panel{
  position:fixed;top:0;left:0;right:0;z-index:89;background:#fff;
  transform:translateY(-102%);transition:transform .25s ease;padding:78px 20px 30px;
  max-height:100vh;overflow-y:auto;box-shadow:var(--sh-h);
}
.mobile-panel.is-open{transform:translateY(0)}
.mobile-group{margin-bottom:22px}
.mobile-group h4{font-size:13px;color:var(--t3);font-weight:600;letter-spacing:1px;margin-bottom:10px}
.mobile-panel a.m-link{
  display:flex;align-items:center;justify-content:space-between;min-height:48px;
  padding:0 4px;border-bottom:1px solid var(--line);text-decoration:none;color:var(--t1);font-weight:600;
}
.mobile-panel a.m-link.is-active{color:var(--c-primary)}
.mobile-panel .btn{width:100%;justify-content:center;margin-top:18px}

/* ==================== 按钮 ==================== */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:48px;padding:0 26px;border-radius:var(--r-btn);font-size:16px;font-weight:700;
  text-decoration:none;border:1.5px solid transparent;cursor:pointer;
  transition:transform .2s ease,box-shadow .2s ease,background .2s ease,color .2s ease,border-color .2s ease;
  white-space:nowrap;
}
.btn:hover{text-decoration:none}
.btn-primary{background:var(--c-orange);color:#fff;box-shadow:0 10px 24px rgba(255,95,46,.28)}
.btn-primary:hover{background:var(--c-orange-dark);color:#fff;transform:translateY(-2px);box-shadow:0 14px 30px rgba(255,95,46,.34)}
.btn-primary:active{transform:translateY(0);box-shadow:0 6px 14px rgba(255,95,46,.24)}
.btn-ghost{background:transparent;color:var(--c-primary-dark);border-color:var(--c-primary);border-radius:var(--r-btn2)}
.btn-ghost:hover{background:var(--c-primary-light);color:var(--c-primary-dark);transform:translateY(-2px)}
.btn-ghost:active{transform:translateY(0)}
.btn-solid{background:var(--c-primary);color:#fff;box-shadow:0 10px 24px rgba(15,124,138,.24)}
.btn-solid:hover{background:var(--c-primary-dark);color:#fff;transform:translateY(-2px);box-shadow:var(--sh-h)}
.btn:disabled,.btn[aria-disabled="true"]{opacity:.5;cursor:not-allowed;transform:none;box-shadow:none}
.btn-sm{min-height:40px;padding:0 18px;font-size:14.5px}
.text-link{font-weight:700;font-size:15px;text-decoration:none;color:var(--c-primary)}
.text-link:hover{color:var(--c-orange)}
.text-link::after{content:" →"}

/* ==================== 徽章与标签 ==================== */
.badge{
  display:inline-flex;align-items:center;gap:6px;padding:5px 12px;border-radius:var(--r-badge);
  font-size:13px;font-weight:700;letter-spacing:.3px;background:var(--c-primary-light);color:var(--c-primary-dark);
}
.badge--lime{background:rgba(199,240,76,.35);color:#3E4E12}
.badge--dark{background:rgba(11,26,33,.06);color:var(--t2)}
.tag{display:inline-block;padding:4px 10px;border:1px dashed var(--line);border-radius:var(--r-badge);font-size:13px;color:var(--t2);background:#fff}

/* ==================== Hero ==================== */
.hero{position:relative;overflow:hidden;background:var(--bg-2)}
.hero::before{
  content:"";position:absolute;inset:0;background-image:url("/assets/images/backpic/back-1.png");
  background-size:cover;background-position:center;opacity:.5;
}
.hero::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(100deg,rgba(245,249,250,.94) 0%,rgba(245,249,250,.80) 46%,rgba(234,243,245,.55) 100%);
}
.hero-arc{
  position:absolute;right:-160px;bottom:-220px;width:620px;height:620px;border-radius:50%;
  border:2px solid rgba(15,124,138,.10);z-index:1;pointer-events:none;
}
.hero-inner{position:relative;z-index:2;display:grid;grid-template-columns:1.05fr .95fr;gap:56px;align-items:center;padding:76px 0 92px}
.hero-copy .eyebrow{
  display:inline-flex;align-items:center;gap:8px;font-size:13.5px;font-weight:700;color:var(--c-primary-dark);
  background:#fff;border:1px solid var(--line);padding:6px 14px;border-radius:var(--r-badge);margin-bottom:20px;
}
.hero-copy .eyebrow i{width:7px;height:7px;border-radius:50%;background:var(--c-lime);display:block}
.hero-copy h1{margin-bottom:16px}
.hero-sub{font-size:18px;color:var(--t2);font-weight:600;margin-bottom:12px}
.hero-desc{color:var(--t2);font-size:16.5px;max-width:520px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin:28px 0 34px}
.hero-stats{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;max-width:600px}
.hero-stat{background:#fff;border:1px solid var(--line);border-radius:12px;padding:12px 14px;box-shadow:var(--sh)}
.hero-stat b{display:block;font-size:20px;color:var(--c-primary-dark);line-height:1.3}
.hero-stat span{display:block;font-size:13px;color:var(--t3);margin-top:2px}
.hero-visual{position:relative}
.hero-visual .frame{
  border-radius:18px;overflow:hidden;border:1px solid var(--line);box-shadow:var(--sh-h);background:#fff;
  aspect-ratio:16/11;
}
.hero-visual .frame img{width:100%;height:100%;object-fit:cover}
.hero-visual .float-card{
  position:absolute;left:-18px;bottom:-22px;background:#fff;border-radius:14px;padding:14px 18px;
  box-shadow:var(--sh-h);border:1px solid var(--line);min-width:200px;
}
.hero-visual .float-card b{display:block;font-size:15px;color:var(--t1)}
.hero-visual .float-card span{font-size:13px;color:var(--t3)}
.hero-visual .cut{
  position:absolute;right:-12px;top:-14px;width:92px;height:28px;background:var(--c-lime);
  border-radius:4px;transform:rotate(-45deg);opacity:.85;
}

/* ==================== 板块标题 ==================== */
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:36px}
.section-head p{color:var(--t2);margin:8px 0 0;font-size:16px}
.section-head--center{flex-direction:column;align-items:center;text-align:center}

/* ==================== 主推网格 ==================== */
.card-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:26px}
.p-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-card);overflow:hidden;
  display:flex;flex-direction:column;box-shadow:var(--sh);
  transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
}
.p-card:hover{transform:translateY(-4px);box-shadow:var(--sh-h);border-color:var(--c-primary-light)}
.p-media{position:relative;aspect-ratio:16/10;background:var(--bg-2);overflow:hidden}
.p-media img{width:100%;height:100%;object-fit:cover;transition:transform .35s ease}
.p-card:hover .p-media img{transform:scale(1.03)}
.p-media .badge{position:absolute;left:14px;top:14px;background:#fff;color:var(--c-primary-dark);box-shadow:var(--sh)}
.p-body{padding:20px 22px 22px;display:flex;flex-direction:column;flex:1}
.p-body h3{font-size:19px;margin-bottom:10px}
.p-body p{color:var(--t2);font-size:15px;margin-bottom:16px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.p-meta{
  display:flex;align-items:center;justify-content:space-between;gap:12px;
  border-top:1px dashed var(--line);padding-top:14px;margin-top:auto;
}
.p-meta .spec{font-size:14px;color:var(--t2)}
.p-meta .spec b{color:var(--c-orange);font-size:17px}

/* ==================== 保障条 ==================== */
.assure{background:var(--bg-2);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.assure-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;padding:32px 0}
.assure-item{display:flex;align-items:center;gap:14px}
.assure-item .ico{
  width:46px;height:46px;flex:0 0 auto;border-radius:12px;background:#fff;border:1px solid var(--line);
  display:grid;place-items:center;box-shadow:var(--sh);
}
.assure-item .ico svg{width:22px;height:22px;stroke:var(--c-primary);fill:none;stroke-width:1.7;stroke-linecap:round;stroke-linejoin:round}
.assure-item b{display:block;font-size:15.5px}
.assure-item span{display:block;font-size:13px;color:var(--t3)}

/* ==================== 时间轴 ==================== */
.timeline{position:relative;margin-top:12px}
.timeline::before{content:"";position:absolute;left:0;right:0;top:26px;height:2px;background:repeating-linear-gradient(90deg,var(--line) 0 10px,transparent 10px 20px)}
.tl-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.tl-item{position:relative;padding-top:60px}
.tl-item::before{
  content:"";position:absolute;left:0;top:18px;width:18px;height:18px;border-radius:50%;
  background:#fff;border:3px solid var(--c-primary);z-index:2;
}
.tl-item.is-live::before{border-color:var(--c-orange);box-shadow:0 0 0 5px rgba(255,95,46,.14)}
.tl-card{background:#fff;border:1px solid var(--line);border-radius:var(--r-card);padding:18px 20px;box-shadow:var(--sh);transition:transform .22s ease,box-shadow .22s ease}
.tl-card:hover{transform:translateY(-4px);box-shadow:var(--sh-h)}
.tl-card .time{font-size:15px;font-weight:700;color:var(--c-primary-dark);margin-bottom:6px}
.tl-card h3{font-size:17px;margin-bottom:6px}
.tl-card p{font-size:14px;color:var(--t2);margin:0}

/* ==================== 评价轮播 ==================== */
.review-wrap{position:relative}
.review-track{
  display:flex;gap:24px;overflow-x:auto;scroll-snap-type:x mandatory;
  padding:6px 2px 14px;scrollbar-width:none;-ms-overflow-style:none;
}
.review-track::-webkit-scrollbar{display:none}
.review-card{
  flex:0 0 calc((100% - 48px)/3);scroll-snap-align:start;background:#fff;border:1px solid var(--line);
  border-radius:var(--r-card);padding:24px;box-shadow:var(--sh);transition:transform .22s ease,box-shadow .22s ease;
}
.review-card:hover{transform:translateY(-4px);box-shadow:var(--sh-h)}
.review-top{display:flex;align-items:center;gap:12px;margin-bottom:14px}
.avatar{
  width:44px;height:44px;border-radius:50%;background:var(--c-primary-light);color:var(--c-primary-dark);
  display:grid;place-items:center;font-weight:800;font-size:16px;flex:0 0 auto;
}
.review-top b{display:block;font-size:15.5px}
.review-top span{display:block;font-size:13px;color:var(--t3)}
.stars{display:flex;gap:4px;margin-bottom:12px}
.stars svg{width:15px;height:15px;fill:var(--c-lime);stroke:none}
.review-card p{font-size:15.5px;color:var(--t2);margin:0;display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}
.review-nav{display:flex;align-items:center;gap:12px;margin-top:8px}
.rv-btn{
  width:44px;height:44px;border-radius:50%;border:1px solid var(--line);background:#fff;
  display:grid;place-items:center;transition:border-color .2s ease,background .2s ease,transform .2s ease;
}
.rv-btn:hover{border-color:var(--c-primary);background:var(--c-primary-light);transform:translateY(-2px)}
.rv-btn svg{width:16px;height:16px;stroke:var(--c-primary-dark);fill:none;stroke-width:2;stroke-linecap:round;stroke-linejoin:round}
.dots{display:flex;gap:8px;margin-left:auto}
.dot{width:9px;height:9px;border-radius:50%;background:var(--line);transition:background .2s ease,width .2s ease}
.dot.is-active{background:var(--c-primary);width:24px;border-radius:6px}

/* ==================== 资讯列表（CMS） ==================== */
.news-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:24px}
.news-item{
  display:grid;grid-template-columns:168px 1fr;gap:18px;background:#fff;border:1px solid var(--line);
  border-radius:var(--r-card);padding:16px;box-shadow:var(--sh);
  transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
}
.news-item:hover{transform:translateY(-4px);box-shadow:var(--sh-h);border-color:var(--c-primary-light)}
.news-thumb{display:block;border-radius:10px;overflow:hidden;aspect-ratio:4/3;background:var(--bg-2)}
.news-thumb img{width:100%;height:100%;object-fit:cover}
.news-body{display:flex;flex-direction:column;min-width:0}
.news-body h3{font-size:17px;margin:8px 0 8px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.news-body h3 a{color:var(--t1);text-decoration:none}
.news-body h3 a:hover{color:var(--c-primary)}
.news-body .excerpt{font-size:14.5px;color:var(--t2);margin:0 0 12px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.news-foot{margin-top:auto;display:flex;align-items:center;justify-content:space-between;gap:10px;font-size:13px;color:var(--t3)}
.news-foot a{font-size:13.5px;font-weight:700;text-decoration:none}
.empty-state{
  border:1px dashed var(--line);border-radius:var(--r-card);background:#fff;
  padding:56px 24px;text-align:center;color:var(--t2);
}
.empty-state svg{width:44px;height:44px;margin:0 auto 14px;stroke:var(--t3);fill:none;stroke-width:1.5;stroke-linecap:round}
.empty-state b{display:block;font-size:17px;color:var(--t1);margin-bottom:6px}
.skeleton{border-radius:10px;background:linear-gradient(90deg,#E9EFF1 25%,#F5F9FA 37%,#E9EFF1 63%);background-size:400% 100%;animation:shine 1.4s ease infinite}
@keyframes shine{0%{background-position:100% 50%}100%{background-position:0 50%}}

/* ==================== CTA 深色区 ==================== */
.cta-band{position:relative;background:var(--dark);color:#E8F2F4;overflow:hidden}
.cta-band::before{
  content:"";position:absolute;left:-60px;top:-70px;width:280px;height:280px;background:rgba(15,124,138,.22);
  transform:rotate(45deg);border-radius:36px;
}
.cta-band::after{
  content:"";position:absolute;right:-90px;bottom:-90px;width:240px;height:240px;border:2px solid rgba(199,240,76,.22);
  border-radius:50%;
}
.cta-inner{position:relative;z-index:2;display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center;padding:76px 0}
.cta-inner h2{color:#fff;margin-bottom:14px}
.cta-inner p{color:#A9C0C7}
.cta-points{list-style:none;padding:0;margin:22px 0 0}
.cta-points li{position:relative;padding-left:26px;color:#CBDDE2;font-size:15.5px;margin-bottom:10px}
.cta-points li::before{
  content:"";position:absolute;left:0;top:9px;width:9px;height:9px;background:var(--c-lime);
  transform:rotate(45deg);border-radius:2px;
}
.form-card{background:#fff;border-radius:16px;padding:28px;box-shadow:var(--sh-h);color:var(--t1)}
.form-card h3{font-size:20px;margin-bottom:6px}
.form-card .hint{font-size:13.5px;color:var(--t3);margin-bottom:20px}
.field{margin-bottom:16px}
.field label{display:block;font-size:14px;font-weight:600;margin-bottom:7px;color:var(--t2)}
.field input,.field textarea{
  width:100%;min-height:48px;padding:12px 14px;border-radius:var(--r-btn2);border:1px solid var(--line);
  background:#fff;transition:border-color .2s ease,box-shadow .2s ease,background .2s ease;
}
.field textarea{min-height:96px;resize:vertical}
.field input:focus,.field textarea:focus{
  outline:none;border-color:var(--c-primary);background:#F2FAFB;box-shadow:0 0 0 3px rgba(15,124,138,.14);
}
.field.has-error input,.field.has-error textarea{border-color:var(--err);background:#FEF5F5}
.field .err-msg{display:none;font-size:13.5px;color:var(--err);margin-top:6px}
.field.has-error .err-msg{display:block}
.form-card .btn{width:100%;margin-top:6px}
.form-note{font-size:12.5px;color:var(--t3);margin:12px 0 0;text-align:center}

/* ==================== FAQ ==================== */
.faq-list{max-width:860px;margin:0 auto;border-top:1px solid var(--line)}
.faq-item{border-bottom:1px solid var(--line)}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:18px;
  min-height:56px;padding:16px 4px;text-align:left;font-size:17px;font-weight:600;color:var(--t1);
  transition:color .2s ease;
}
.faq-q:hover{color:var(--c-primary)}
.faq-icon{position:relative;width:20px;height:20px;flex:0 0 auto}
.faq-icon::before,.faq-icon::after{
  content:"";position:absolute;left:50%;top:50%;background:var(--c-primary);border-radius:2px;
  transition:transform .25s ease,opacity .25s ease;
}
.faq-icon::before{width:14px;height:2px;transform:translate(-50%,-50%)}
.faq-icon::after{width:2px;height:14px;transform:translate(-50%,-50%)}
.faq-item.is-open .faq-icon::after{transform:translate(-50%,-50%) rotate(90deg);opacity:0}
.faq-a{max-height:0;overflow:hidden;transition:max-height .3s ease}
.faq-item.is-open .faq-a{max-height:420px}
.faq-a-inner{padding:0 4px 22px;color:var(--t2);font-size:16px;line-height:1.8}

/* ==================== 页脚 ==================== */
.site-footer{background:var(--dark);color:#A9C0C7;padding:64px 0 0;font-size:15px}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.3fr;gap:40px;padding-bottom:48px}
.footer-brand{display:inline-flex;align-items:center;gap:10px;text-decoration:none;color:#fff;margin-bottom:14px}
.footer-brand:hover{color:#fff}
.footer-brand .brand-mark{background:var(--c-primary)}
.footer-brand .brand-text{font-size:18px}
.site-footer p{color:#8CA6AE;font-size:14.5px;margin-bottom:0}
.site-footer h4{color:#fff;font-size:15px;margin-bottom:16px;font-weight:700}
.footer-links{list-style:none;padding:0;margin:0}
.footer-links li{margin-bottom:10px}
.footer-links a{color:#A9C0C7;text-decoration:none;font-size:14.5px;transition:color .2s ease}
.footer-links a:hover{color:var(--c-lime)}
.footer-form .field{margin-bottom:12px}
.footer-form label{color:#8CA6AE}
.footer-form input{
  background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.16);color:#fff;border-radius:var(--r-btn2);
}
.footer-form input::placeholder{color:#7A939B}
.footer-form input:focus{border-color:var(--c-primary);background:rgba(15,124,138,.14);box-shadow:0 0 0 3px rgba(15,124,138,.2)}
.footer-form .btn{width:100%;margin-top:4px}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.1);padding:20px 0;display:flex;flex-wrap:wrap;
  align-items:center;justify-content:space-between;gap:14px;font-size:13.5px;color:#7A939B;
}
.footer-bottom nav{display:flex;gap:20px;flex-wrap:wrap}
.footer-bottom a{color:#7A939B;text-decoration:none}
.footer-bottom a:hover{color:var(--c-lime)}

/* ==================== 响应式 ==================== */
@media (max-width:1279px){
  .container{padding:0 24px}
  .hero-inner{gap:40px}
  .hero-stats{grid-template-columns:repeat(2,1fr)}
  .card-grid{gap:20px}
  .news-grid{gap:18px}
}
@media (max-width:1023px){
  .nav-left,.nav-right{display:none}
  .nav-toggle{display:flex}
  .hero-inner{grid-template-columns:1fr;padding:48px 0 64px}
  .hero-visual{order:-1}
  .hero-visual .float-card{left:auto;right:14px;bottom:-18px}
  .hero-visual .cut{display:none}
  .hero::after{background:linear-gradient(180deg,rgba(245,249,250,.86) 0%,rgba(245,249,250,.94) 100%)}
  .card-grid{grid-template-columns:repeat(2,1fr)}
  .review-card{flex:0 0 calc((100% - 24px)/2)}
  .assure-grid{grid-template-columns:repeat(2,1fr);gap:16px}
  .tl-grid{grid-template-columns:repeat(2,1fr)}
  .timeline::before{display:none}
  .tl-item{padding-top:16px}
  .tl-item::before{position:static;display:none}
  .cta-inner{grid-template-columns:1fr;gap:32px;padding:56px 0}
  .footer-grid{grid-template-columns:repeat(2,1fr);gap:32px}
}
@media (max-width:767px){
  body{font-size:16.5px}
  .section{padding:52px 0}
  .section--tight{padding:44px 0}
  .container{padding:0 20px}
  .hero-stats{grid-template-columns:repeat(2,1fr);gap:10px}
  .hero-actions .btn{width:100%}
  .section-head{flex-direction:column;align-items:flex-start;gap:14px;margin-bottom:26px}
  .card-grid{grid-template-columns:1fr;gap:18px}
  .news-grid{grid-template-columns:1fr}
  .news-item{grid-template-columns:118px 1fr;gap:14px}
  .review-card{flex:0 0 86%}
  .assure-grid{grid-template-columns:repeat(2,1fr);padding:24px 0}
  .assure-item{flex-direction:column;align-items:flex-start;gap:10px}
  .tl-grid{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr;gap:28px}
  .footer-bottom{flex-direction:column;align-items:flex-start}
  .faq-q{font-size:16px}
}
@media (max-width:480px){
  .brand-text{font-size:16.5px}
  .hero-stat b{font-size:18px}
  .hero-visual .frame{aspect-ratio:4/3}
  .form-card{padding:20px}
  .assure-grid{grid-template-columns:1fr}
}

/* roulang page: article */
:root{
  --teal:#0F7C8A;
  --teal-d:#0A5A66;
  --teal-l:#D9EEF1;
  --lemon:#C7F04C;
  --orange:#FF5F2E;
  --bg:#F5F9FA;
  --bg-2:#EAF3F5;
  --dark:#0B1A21;
  --dark-2:#122731;
  --ink:#16242C;
  --ink-2:#5B6C75;
  --ink-3:#8C9AA1;
  --line:#DCE7EA;
  --danger:#D64545;
  --radius:14px;
  --radius-sm:10px;
  --radius-pill:999px;
  --shadow:0 10px 28px rgba(11,26,33,.08);
  --shadow-lg:0 14px 34px rgba(11,26,33,.14);
  --wrap:1240px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:"PingFang SC","Microsoft YaHei","Source Han Sans SC","Hiragino Sans GB",sans-serif;
  font-size:17px;
  line-height:1.75;
  color:var(--ink);
  background:var(--bg);
}
img{max-width:100%;display:block;height:auto;}
a{color:var(--teal);text-decoration:underline;text-underline-offset:3px;transition:color .2s ease;}
a:hover{color:var(--orange);}
button,input,textarea,select{font:inherit;color:inherit;}
h1,h2,h3,h4{margin:0;font-weight:700;color:var(--ink);}
p{margin:0 0 16px;}
ul,ol{margin:0;padding:0;list-style:none;}
::selection{background:var(--teal-l);color:var(--teal-d);}
:focus-visible{outline:2px solid var(--teal);outline-offset:3px;border-radius:4px;}
.container{width:100%;max-width:var(--wrap);margin:0 auto;padding:0 24px;}
.section{padding:84px 0;}
.section-tight{padding:56px 0;}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:32px;}
.section-head h2{font-size:28px;line-height:1.3;}
.section-head .more{font-size:15px;color:var(--teal);text-decoration:none;white-space:nowrap;}
.section-head .more:hover{color:var(--orange);}
.lead{font-size:17px;color:var(--ink-2);max-width:760px;}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 26px;border-radius:var(--radius-pill);
  font-size:16px;font-weight:600;line-height:1;border:1px solid transparent;
  cursor:pointer;text-decoration:none;white-space:nowrap;
  transition:transform .2s ease,box-shadow .2s ease,background-color .2s ease,color .2s ease,border-color .2s ease;
}
.btn-solid{background:var(--orange);color:#fff;box-shadow:0 8px 20px rgba(255,95,46,.28);}
.btn-solid:hover{background:#F04E1D;color:#fff;transform:translateY(-2px);box-shadow:var(--shadow-lg);}
.btn-solid:active{transform:translateY(0);box-shadow:0 6px 14px rgba(255,95,46,.24);}
.btn-teal{background:var(--teal);color:#fff;box-shadow:0 8px 20px rgba(15,124,138,.24);}
.btn-teal:hover{background:var(--teal-d);color:#fff;transform:translateY(-2px);box-shadow:var(--shadow-lg);}
.btn-outline{background:transparent;border-color:var(--teal);color:var(--teal);border-radius:var(--radius-sm);}
.btn-outline:hover{background:var(--teal-l);color:var(--teal-d);transform:translateY(-2px);}
.btn-ghost{background:#fff;border-color:var(--line);color:var(--ink);}
.btn-ghost:hover{border-color:var(--teal);color:var(--teal);transform:translateY(-2px);box-shadow:var(--shadow);}
.btn[disabled],.btn.is-disabled{opacity:.55;cursor:not-allowed;transform:none;box-shadow:none;}
.btn-sm{height:40px;padding:0 18px;font-size:14px;}

/* ============ 徽章 / 标签 ============ */
.badge{display:inline-flex;align-items:center;height:26px;padding:0 10px;border-radius:6px;font-size:13px;font-weight:600;background:var(--teal-l);color:var(--teal-d);text-decoration:none;}
.badge-lemon{background:rgba(199,240,76,.3);color:#4C5F14;}
.badge-dark{background:rgba(199,240,76,.16);color:var(--lemon);border:1px solid rgba(199,240,76,.36);}
.tag-list{display:flex;flex-wrap:wrap;gap:10px;}
.tag-list a{display:inline-flex;align-items:center;height:34px;padding:0 14px;border:1px solid var(--line);border-radius:var(--radius-pill);font-size:14px;color:var(--ink-2);text-decoration:none;background:#fff;}
.tag-list a:hover{border-color:var(--teal);color:var(--teal);}

/* ============ 头部导航 ============ */
.site-header{position:sticky;top:0;z-index:60;background:#fff;border-bottom:1px solid var(--line);transition:box-shadow .25s ease;}
.site-header::before{content:"";display:block;height:4px;background:var(--teal);}
.site-header.is-scrolled{box-shadow:0 6px 18px rgba(11,26,33,.08);}
.nav-wrap{position:relative;display:grid;grid-template-columns:1fr auto 1fr;align-items:center;gap:24px;height:72px;transition:height .25s ease;}
.site-header.is-scrolled .nav-wrap{height:64px;}
.nav-side{display:flex;align-items:center;gap:30px;}
.nav-left{justify-content:flex-start;}
.nav-right{justify-content:flex-end;}
.nav-link{position:relative;display:inline-block;padding:8px 0;font-size:15px;font-weight:500;color:var(--ink);text-decoration:none;}
.nav-link::after{content:"";position:absolute;left:50%;bottom:0;width:0;height:2px;background:var(--teal);transform:translateX(-50%);transition:width .22s ease;}
.nav-link:hover{color:var(--teal);}
.nav-link:hover::after{width:100%;}
.nav-link.is-active{color:var(--teal);}
.nav-link.is-active::after{width:24px;}
.brand{display:inline-flex;align-items:center;gap:10px;text-decoration:none;color:var(--ink);}
.brand-mark{display:grid;place-items:center;width:36px;height:36px;border-radius:50%;background:var(--teal);flex:none;}
.brand-mark svg{width:22px;height:22px;display:block;}
.brand-text{font-size:20px;font-weight:800;letter-spacing:.4px;white-space:nowrap;}
.nav-toggle{display:none;width:44px;height:44px;border:1px solid var(--line);border-radius:var(--radius-sm);background:#fff;cursor:pointer;padding:0;place-items:center;gap:4px;}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--ink);border-radius:2px;margin:2px auto;}
.nav-toggle:hover{border-color:var(--teal);}
.nav-toggle:hover span{background:var(--teal);}
.mobile-panel{position:fixed;inset:0;z-index:90;background:rgba(11,26,33,.55);opacity:0;visibility:hidden;transition:opacity .25s ease,visibility .25s ease;}
.mobile-panel.is-open{opacity:1;visibility:visible;}
.mobile-sheet{position:absolute;top:0;left:0;right:0;background:#fff;padding:20px 20px 28px;transform:translateY(-100%);transition:transform .25s ease;max-height:100%;overflow-y:auto;}
.mobile-panel.is-open .mobile-sheet{transform:translateY(0);}
.mobile-sheet-head{display:flex;align-items:center;justify-content:space-between;padding-bottom:14px;border-bottom:1px solid var(--line);}
.mobile-close{width:44px;height:44px;border:1px solid var(--line);background:#fff;border-radius:var(--radius-sm);font-size:22px;line-height:1;cursor:pointer;color:var(--ink-2);}
.mobile-nav{display:flex;flex-direction:column;padding:8px 0 16px;}
.mobile-nav a{display:flex;align-items:center;min-height:52px;font-size:16px;font-weight:500;color:var(--ink);text-decoration:none;border-bottom:1px dashed var(--line);}
.mobile-nav a:hover,.mobile-nav a.is-active{color:var(--teal);}
.mobile-cta{width:100%;}

/* ============ 面包屑 ============ */
.crumb-bar{background:var(--bg-2);border-bottom:1px solid var(--line);}
.crumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;padding:14px 0;font-size:13px;color:var(--ink-2);}
.crumb a{color:var(--ink-2);text-decoration:none;}
.crumb a:hover{color:var(--teal);}
.crumb .sep{color:var(--ink-3);}
.crumb .cur{color:var(--ink);font-weight:500;}

/* ============ 文章头 ============ */
.article-hero{position:relative;overflow:hidden;background:linear-gradient(180deg,rgba(11,26,33,.86),rgba(11,26,33,.9)),url(/assets/images/backpic/back-2.webp) center/cover no-repeat;color:#fff;padding:52px 0 58px;}
.article-hero::after{content:"";position:absolute;right:-90px;top:-60px;width:320px;height:320px;border-radius:50%;border:1px dashed rgba(217,238,241,.12);}
.article-hero .container{position:relative;z-index:1;}
.article-hero h1{margin:16px 0 18px;font-size:clamp(28px,3.4vw,38px);line-height:1.32;font-weight:800;color:#fff;max-width:900px;}
.article-hero .meta-row{color:rgba(255,255,255,.74);}
.article-hero .meta-row .dot{color:rgba(255,255,255,.42);}
.meta-row{display:flex;flex-wrap:wrap;align-items:center;gap:10px;font-size:14px;color:var(--ink-2);}
.meta-row .dot{color:var(--ink-3);}

/* ============ 文章布局 ============ */
.article-layout{display:grid;grid-template-columns:minmax(0,780px) 300px;justify-content:space-between;gap:48px;padding:44px 0 88px;align-items:start;}
.article-main{min-width:0;}
.article-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow);padding:36px 40px 30px;}
.article-body{font-size:17.5px;line-height:1.9;color:#22323C;word-break:break-word;}
.article-body p{margin:0 0 18px;}
.article-body h2{font-size:25px;line-height:1.35;margin:36px 0 14px;padding-left:12px;border-left:4px solid var(--teal);}
.article-body h3{font-size:22px;line-height:1.4;margin:28px 0 12px;}
.article-body h4{font-size:19px;margin:22px 0 10px;}
.article-body strong{color:var(--ink);}
.article-body ul{margin:0 0 18px;padding-left:0;}
.article-body ul>li{position:relative;padding-left:22px;margin-bottom:8px;}
.article-body ul>li::before{content:"";position:absolute;left:0;top:.66em;width:8px;height:8px;border-radius:2px;background:var(--teal);}
.article-body ol{margin:0 0 18px;padding-left:24px;list-style:decimal;}
.article-body ol>li{margin-bottom:8px;}
.article-body img{border-radius:12px;margin:22px auto;}
.article-body figure{margin:24px 0;}
.article-body figcaption{text-align:center;font-size:13px;color:var(--ink-3);margin-top:8px;}
.article-body blockquote{margin:22px 0;padding:16px 20px;background:var(--teal-l);border-left:4px solid var(--teal);border-radius:0 10px 10px 0;color:#1B3540;font-size:17px;}
.article-body blockquote p:last-child{margin-bottom:0;}
.article-body table{width:100%;border-collapse:collapse;margin:22px 0;font-size:16px;border:1px solid var(--line);}
.article-body th,.article-body td{padding:10px 14px;border-bottom:1px solid var(--line);text-align:left;}
.article-body th{background:var(--bg-2);font-weight:600;}
.article-body tbody tr:nth-child(even){background:#FAFCFD;}
.article-body a{color:var(--teal);}
.article-body a:hover{color:var(--orange);}
.article-foot{margin-top:30px;padding-top:24px;border-top:1px solid var(--line);display:flex;flex-wrap:wrap;align-items:center;gap:14px;}
.article-foot .label{font-size:14px;color:var(--ink-3);}
.empty-state{display:flex;flex-direction:column;align-items:center;gap:14px;padding:56px 20px;text-align:center;color:var(--ink-2);}
.empty-state svg{width:52px;height:52px;stroke:var(--ink-3);fill:none;stroke-width:1.6;}
.empty-state strong{font-size:19px;color:var(--ink);}
.skeleton{background:linear-gradient(90deg,#EDF3F5 25%,#F7FBFC 37%,#EDF3F5 63%);background-size:400% 100%;animation:shine 1.4s ease infinite;border-radius:8px;}
@keyframes shine{0%{background-position:100% 50%;}100%{background-position:0 50%;}}

/* ============ 上下篇 ============ */
.pn-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin-top:28px;}
.pn-card{display:block;padding:18px 20px;background:#fff;border:1px solid var(--line);border-radius:var(--radius);text-decoration:none;color:var(--ink);box-shadow:var(--shadow);transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;}
.pn-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-lg);border-color:var(--teal-l);color:var(--ink);}
.pn-card .pn-label{display:block;font-size:13px;color:var(--ink-3);margin-bottom:6px;}
.pn-card .pn-title{font-size:16px;font-weight:600;line-height:1.55;}
.pn-card.next{text-align:right;}

/* ============ 相关推荐 ============ */
.rel-block{margin-top:56px;}
.rel-block h2{font-size:24px;margin-bottom:22px;padding-left:12px;border-left:4px solid var(--teal);}
.rel-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px;}
.rel-card{display:flex;flex-direction:column;background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;text-decoration:none;color:var(--ink);box-shadow:var(--shadow);transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;}
.rel-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg);border-color:var(--teal-l);color:var(--ink);}
.rel-thumb{aspect-ratio:16/10;overflow:hidden;background:var(--bg-2);}
.rel-thumb img{width:100%;height:100%;object-fit:cover;}
.rel-body{padding:16px 18px 18px;}
.rel-body h3{font-size:16px;line-height:1.55;margin-bottom:8px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.rel-body span{font-size:13px;color:var(--ink-3);}
.back-row{margin-top:28px;}

/* ============ 侧栏 ============ */
.sidebar{display:flex;flex-direction:column;gap:24px;position:sticky;top:96px;}
.widget{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:20px;box-shadow:var(--shadow);}
.widget h3{font-size:17px;margin:0 0 16px;padding-left:10px;border-left:3px solid var(--teal);line-height:1.3;}
.hot-list{display:flex;flex-direction:column;}
.hot-item{display:flex;gap:12px;padding:12px 0;border-bottom:1px dashed var(--line);text-decoration:none;color:var(--ink);}
.hot-item:last-child{border-bottom:0;padding-bottom:0;}
.hot-item:first-child{padding-top:0;}
.hot-item img{width:72px;height:54px;flex:none;object-fit:cover;border-radius:8px;}
.hot-item .t{font-size:14px;line-height:1.5;font-weight:500;}
.hot-item .tm{display:block;font-size:12px;color:var(--ink-3);margin-top:6px;font-weight:400;}
.hot-item:hover .t{color:var(--teal);}
.widget-cta{background:var(--dark);border-color:var(--dark);color:rgba(255,255,255,.74);}
.widget-cta h3{padding-left:0;border-left:0;color:#fff;}
.widget-cta p{font-size:14px;line-height:1.7;margin-bottom:16px;}
.widget-cta .btn{width:100%;}
.side-links{display:flex;flex-direction:column;gap:10px;}
.side-links a{font-size:14px;color:var(--ink-2);text-decoration:none;display:flex;align-items:center;gap:8px;}
.side-links a::before{content:"";width:6px;height:6px;border-radius:2px;background:var(--teal-l);flex:none;}
.side-links a:hover{color:var(--teal);}
.side-links a:hover::before{background:var(--teal);}

/* ============ CTA 条 ============ */
.cta-band{position:relative;overflow:hidden;background:var(--dark);color:rgba(255,255,255,.78);padding:60px 0;}
.cta-band::before{content:"";position:absolute;left:0;top:0;bottom:0;width:42%;background:linear-gradient(115deg,rgba(15,124,138,.35),rgba(15,124,138,0));}
.cta-band .container{position:relative;z-index:1;display:grid;grid-template-columns:1.2fr .8fr;gap:40px;align-items:center;}
.cta-band h2{color:#fff;font-size:28px;margin-bottom:12px;}
.cta-band p{margin:0;font-size:16px;}
.cta-actions{display:flex;gap:14px;flex-wrap:wrap;justify-content:flex-end;}

/* ============ FAQ ============ */
.faq-list{display:flex;flex-direction:column;gap:12px;max-width:900px;}
.faq-item{background:#fff;border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow);overflow:hidden;}
.faq-q{display:flex;align-items:center;justify-content:space-between;gap:16px;width:100%;min-height:56px;padding:14px 20px;background:none;border:0;text-align:left;font-size:17px;font-weight:600;cursor:pointer;color:var(--ink);}
.faq-q:hover{color:var(--teal);}
.faq-icon{position:relative;width:18px;height:18px;flex:none;}
.faq-icon::before,.faq-icon::after{content:"";position:absolute;background:var(--teal);border-radius:2px;transition:transform .25s ease,opacity .25s ease;}
.faq-icon::before{left:0;top:8px;width:18px;height:2px;}
.faq-icon::after{left:8px;top:0;width:2px;height:18px;}
.faq-item.is-open .faq-icon::after{transform:rotate(90deg);opacity:0;}
.faq-a{max-height:0;overflow:hidden;transition:max-height .3s ease;}
.faq-a p{margin:0;padding:0 20px 20px;line-height:1.8;color:var(--ink-2);font-size:16px;}

/* ============ 页脚 ============ */
.site-footer{background:var(--dark);color:rgba(255,255,255,.72);padding:64px 0 0;font-size:14px;}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:40px;}
.footer-brand{display:inline-flex;align-items:center;gap:10px;text-decoration:none;color:#fff;margin-bottom:16px;}
.footer-brand .brand-mark{background:var(--teal);}
.footer-brand .brand-text{color:#fff;font-size:19px;font-weight:800;}
.site-footer h4{color:#fff;font-size:16px;margin-bottom:16px;}
.site-footer p{line-height:1.75;}
.footer-links{display:flex;flex-direction:column;gap:10px;}
.footer-links a{color:rgba(255,255,255,.72);text-decoration:none;font-size:14px;transition:color .2s ease;}
.footer-links a:hover{color:var(--lemon);}
.footer-form .field{margin-bottom:14px;}
.footer-form label{display:block;font-size:13px;margin-bottom:6px;color:rgba(255,255,255,.7);}
.footer-form input{width:100%;height:48px;padding:0 14px;border-radius:var(--radius-sm);border:1px solid rgba(255,255,255,.18);background:rgba(255,255,255,.06);color:#fff;transition:border-color .2s ease,box-shadow .2s ease,background-color .2s ease;}
.footer-form input::placeholder{color:rgba(255,255,255,.42);}
.footer-form input:focus{outline:none;border-color:var(--teal);background:rgba(255,255,255,.1);box-shadow:0 0 0 3px rgba(15,124,138,.35);}
.footer-form input.is-error{border-color:var(--danger);box-shadow:0 0 0 3px rgba(214,69,69,.25);}
.footer-form .err{display:none;font-size:13px;color:#FF9A8A;margin-top:6px;}
.footer-form .err.show{display:block;}
.footer-form .btn{width:100%;margin-top:6px;}
.footer-bottom{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:14px;margin-top:52px;padding:20px 0;border-top:1px solid rgba(255,255,255,.12);font-size:13px;color:rgba(255,255,255,.6);}
.footer-bottom nav{display:flex;flex-wrap:wrap;gap:18px;}
.footer-bottom a{color:rgba(255,255,255,.6);text-decoration:none;}
.footer-bottom a:hover{color:var(--lemon);}

/* ============ 响应式 ============ */
@media (max-width:1279px){
  .article-layout{gap:36px;grid-template-columns:minmax(0,720px) 280px;}
}
@media (max-width:1023px){
  .nav-side{display:none;}
  .nav-toggle{display:grid;position:absolute;right:20px;top:50%;transform:translateY(-50%);}
  .nav-wrap{grid-template-columns:1fr;justify-items:center;height:64px;}
  .nav-wrap .container{padding:0 20px;}
  .site-header.is-scrolled .nav-wrap{height:60px;}
  .brand-text{font-size:17px;}
  .article-layout{grid-template-columns:1fr;gap:36px;padding:32px 0 64px;}
  .sidebar{position:static;flex-direction:row;flex-wrap:wrap;}
  .sidebar .widget{flex:1 1 280px;}
  .article-card{padding:26px 22px 22px;}
  .rel-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .cta-band .container{grid-template-columns:1fr;gap:24px;}
  .cta-actions{justify-content:flex-start;}
  .section{padding:64px 0;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
}
@media (max-width:767px){
  body{font-size:16px;}
  .container{padding:0 20px;}
  .section{padding:48px 0;}
  .section-head{flex-direction:column;align-items:flex-start;gap:10px;margin-bottom:24px;}
  .section-head h2{font-size:23px;}
  .article-hero{padding:38px 0 44px;}
  .article-hero h1{font-size:26px;}
  .article-body{font-size:17px;line-height:1.85;}
  .article-body h2{font-size:22px;}
  .article-body h3{font-size:19px;}
  .pn-grid{grid-template-columns:1fr;}
  .pn-card.next{text-align:left;}
  .rel-grid{grid-template-columns:1fr;}
  .sidebar{flex-direction:column;}
  .footer-grid{grid-template-columns:1fr;gap:28px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
  .cta-band h2{font-size:23px;}
  .btn{width:100%;}
  .btn.btn-inline{width:auto;}
  .cta-actions .btn{width:100%;}
}
@media (max-width:480px){
  .article-card{padding:22px 16px 18px;}
  .brand-text{font-size:16px;}
  .brand-mark{width:32px;height:32px;}
  .widget{padding:16px;}
}

/* roulang page: category1 */
*,*::before,*::after{box-sizing:border-box}
:root{
  --primary:#0F7C8A;
  --primary-dark:#0A5A66;
  --primary-light:#D9EEF1;
  --lemon:#C7F04C;
  --orange:#FF5F2E;
  --bg:#F5F9FA;
  --bg-2:#EAF3F5;
  --dark:#0B1A21;
  --text:#16242C;
  --text-2:#5B6C75;
  --text-3:#8C9AA1;
  --border:#DCE7EA;
  --danger:#D64545;
  --radius:14px;
  --radius-sm:10px;
  --radius-pill:999px;
  --shadow:0 10px 28px rgba(11,26,33,.08);
  --shadow-hover:0 14px 34px rgba(11,26,33,.14);
  --space:8px;
  --container:1240px;
}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:"PingFang SC","Microsoft YaHei","Source Han Sans SC",system-ui,-apple-system,sans-serif;
  font-size:16px;
  line-height:1.75;
  color:var(--text);
  background:var(--bg);
}
img{max-width:100%;height:auto;display:block}
a{color:var(--primary);text-decoration:none;transition:color .2s ease}
a:hover{color:var(--orange)}
h1,h2,h3,h4{margin:0;line-height:1.3}
h1{font-size:clamp(30px,3.4vw,44px);font-weight:800;line-height:1.25}
h2{font-size:clamp(24px,2.4vw,30px);font-weight:700}
h3{font-size:20px;font-weight:600;line-height:1.4}
h4{font-size:17px;font-weight:600}
p{margin:0 0 18px}
p:last-child{margin-bottom:0}
ul,ol{margin:0;padding:0;list-style:none}
button,input,textarea,select{font:inherit;color:inherit}
:focus-visible{outline:2px solid var(--primary);outline-offset:2px;border-radius:4px}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px}

/* ---------- header ---------- */
.site-header{position:sticky;top:0;z-index:60;background:rgba(255,255,255,.96);backdrop-filter:blur(10px);border-bottom:1px solid var(--border);transition:box-shadow .25s ease}
.site-header::before{content:"";position:absolute;top:0;left:0;width:100%;height:3px;background:linear-gradient(90deg,var(--primary),var(--lemon))}
.site-header.is-scrolled{box-shadow:0 6px 20px rgba(11,26,33,.08)}
.nav-wrap{display:flex;align-items:center;justify-content:space-between;gap:20px;height:72px}
.nav-side{display:flex;align-items:center;gap:28px;flex:1 1 0}
.nav-right{justify-content:flex-end}
.nav-link{position:relative;font-size:15px;color:var(--text-2);padding:6px 2px;white-space:nowrap;transition:color .2s ease}
.nav-link:hover{color:var(--primary)}
.nav-link.is-active{color:var(--primary);font-weight:600}
.nav-link.is-active::after{content:"";position:absolute;left:0;right:0;bottom:-4px;height:2px;border-radius:2px;background:var(--primary)}
.brand{display:inline-flex;align-items:center;gap:10px;flex:0 0 auto;color:var(--text)}
.brand-mark{width:36px;height:36px;border-radius:11px;background:var(--primary);display:grid;place-items:center;flex:0 0 36px}
.brand-mark svg{width:22px;height:22px}
.brand-text{font-size:17px;font-weight:800;letter-spacing:.4px}
.nav-toggle{display:none;width:44px;height:44px;padding:0;border:1px solid var(--border);border-radius:var(--radius-sm);background:#fff;cursor:pointer;flex-direction:column;align-items:center;justify-content:center;gap:5px;transition:border-color .2s ease,background .2s ease}
.nav-toggle:hover{border-color:var(--primary)}
.nav-toggle span{display:block;width:20px;height:2px;border-radius:2px;background:var(--text);transition:transform .25s ease,opacity .25s ease}
.site-header.nav-open .nav-toggle span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.site-header.nav-open .nav-toggle span:nth-child(2){opacity:0}
.site-header.nav-open .nav-toggle span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}

/* ---------- buttons ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:48px;padding:0 26px;border:1px solid transparent;border-radius:var(--radius-pill);font-size:16px;font-weight:600;cursor:pointer;text-align:center;transition:transform .2s ease,background .2s ease,color .2s ease,border-color .2s ease,box-shadow .2s ease}
.btn-solid{background:var(--orange);color:#fff;box-shadow:0 10px 24px rgba(255,95,46,.28)}
.btn-solid:hover{color:#fff;transform:translateY(-2px);box-shadow:0 16px 32px rgba(255,95,46,.36)}
.btn-solid:active{transform:translateY(0);box-shadow:0 8px 18px rgba(255,95,46,.28)}
.btn-primary{background:var(--primary);color:#fff;box-shadow:0 10px 24px rgba(15,124,138,.22)}
.btn-primary:hover{background:var(--primary-dark);color:#fff;transform:translateY(-2px);box-shadow:0 16px 32px rgba(15,124,138,.3)}
.btn-primary:active{transform:translateY(0)}
.btn-ghost{background:#fff;border-color:var(--border);color:var(--text);border-radius:var(--radius-sm)}
.btn-ghost:hover{border-color:var(--primary);color:var(--primary);transform:translateY(-2px)}
.btn-light{background:rgba(255,255,255,.96);color:var(--primary-dark);border-radius:var(--radius-sm)}
.btn-light:hover{background:#fff;color:var(--primary-dark);transform:translateY(-2px)}
.btn-outline-light{background:transparent;border-color:rgba(255,255,255,.6);color:#fff;border-radius:var(--radius-sm)}
.btn-outline-light:hover{background:rgba(255,255,255,.14);color:#fff;transform:translateY(-2px)}
.btn-sm{min-height:40px;padding:0 18px;font-size:14px}
.btn:disabled,.btn.is-disabled{opacity:.5;cursor:not-allowed;transform:none!important;box-shadow:none}
.text-link{display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:600}
.text-link::after{content:"›";font-size:16px;line-height:1;transition:transform .2s ease}
.text-link:hover::after{transform:translateX(3px)}

/* ---------- hero ---------- */
.page-hero{position:relative;overflow:hidden;color:#fff;background:var(--dark) url('/assets/images/backpic/back-1.png') center/cover no-repeat;padding:72px 0 76px}
.page-hero::after{content:"";position:absolute;inset:0;background:linear-gradient(104deg,rgba(11,26,33,.88) 8%,rgba(10,90,102,.66) 62%,rgba(15,124,138,.5) 100%)}
.page-hero .container{position:relative;z-index:2}
.hero-deco{position:absolute;right:-40px;bottom:-70px;width:340px;height:340px;z-index:1;opacity:.12}
.breadcrumb{display:flex;align-items:center;gap:8px;font-size:13px;color:rgba(255,255,255,.72);margin-bottom:18px}
.breadcrumb a{color:rgba(255,255,255,.86)}
.breadcrumb a:hover{color:var(--lemon)}
.breadcrumb .sep{color:rgba(255,255,255,.45)}
.hero-title{max-width:760px}
.hero-sub{margin-top:16px;font-size:17px;line-height:1.8;color:rgba(255,255,255,.86);max-width:620px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:28px}
.hero-badges{display:flex;flex-wrap:wrap;gap:10px;margin-top:30px}
.hero-badge{display:inline-flex;align-items:center;gap:8px;padding:8px 14px;border:1px solid rgba(255,255,255,.28);border-radius:var(--radius-pill);font-size:13px;color:rgba(255,255,255,.92);background:rgba(255,255,255,.07)}
.hero-badge i{width:6px;height:6px;border-radius:50%;background:var(--lemon);display:inline-block}

/* ---------- sections ---------- */
.section{padding:92px 0}
.section-alt{background:var(--bg-2)}
.section-tight{padding:64px 0}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:36px}
.section-head p{color:var(--text-2);font-size:15px;margin-top:10px;max-width:660px}
.eyebrow{display:inline-block;font-size:13px;font-weight:600;letter-spacing:1.2px;color:var(--primary);margin-bottom:10px}

/* ---------- value strip ---------- */
.value-strip{background:#fff;border-bottom:1px solid var(--border)}
.value-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:0}
.value-item{display:flex;align-items:center;gap:12px;padding:26px 22px;border-right:1px dashed var(--border)}
.value-item:last-child{border-right:0}
.value-item svg{width:26px;height:26px;flex:0 0 26px;stroke:var(--primary);fill:none;stroke-width:1.6}
.value-item span{font-size:15px;font-weight:600;color:var(--text)}
.value-item small{display:block;font-size:13px;font-weight:400;color:var(--text-3)}

/* ---------- cards ---------- */
.card{background:#fff;border:1px solid var(--border);border-radius:var(--radius);box-shadow:var(--shadow);overflow:hidden;transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease}
.card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);border-color:var(--primary-light)}
.card-body{padding:26px 26px 28px}
.card-media{position:relative;aspect-ratio:16/10;overflow:hidden;background:var(--bg-2)}
.card-media img{width:100%;height:100%;object-fit:cover}
.card-media .badge{position:absolute;left:14px;top:14px}
.badge{display:inline-flex;align-items:center;gap:6px;padding:5px 11px;border-radius:6px;background:var(--primary-light);color:var(--primary-dark);font-size:13px;font-weight:600;line-height:1.4}
.badge-accent{background:rgba(255,95,46,.12);color:#B93C13}
.badge-dark{background:rgba(11,26,33,.72);color:#fff}
.meta-row{display:flex;flex-wrap:wrap;align-items:center;gap:12px;font-size:13px;color:var(--text-3);margin-top:14px}

.grid-12{display:grid;grid-template-columns:repeat(12,1fr);gap:24px;align-items:stretch}
.span-7{grid-column:span 7}
.span-5{grid-column:span 5}
.stack{display:grid;gap:24px}
.list-check{margin:20px 0 0;display:grid;gap:10px}
.list-check li{position:relative;padding-left:26px;color:var(--text-2);font-size:15px}
.list-check li::before{content:"";position:absolute;left:0;top:9px;width:9px;height:9px;background:var(--primary);transform:rotate(45deg);border-radius:2px}
.spec-list{margin:18px 0 0;display:grid;gap:0}
.spec-list li{display:flex;justify-content:space-between;gap:16px;padding:12px 0;border-bottom:1px dashed var(--border);font-size:15px}
.spec-list li:last-child{border-bottom:0}
.spec-list b{color:var(--primary-dark);font-weight:700}
.info-card{background:#fff;border:1px solid var(--border);border-radius:var(--radius);box-shadow:var(--shadow);padding:24px 26px;transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease}
.info-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);border-color:var(--primary-light)}
.info-card h3{margin-bottom:8px}
.info-card p{font-size:15px;color:var(--text-2)}

/* ---------- compare band ---------- */
.compare-band{display:grid;grid-template-columns:repeat(4,1fr);background:#fff;border:1px solid var(--border);border-radius:var(--radius);box-shadow:var(--shadow);overflow:hidden}
.compare-item{padding:28px 24px;border-right:1px dashed var(--border);transition:background .2s ease}
.compare-item:last-child{border-right:0;background:linear-gradient(180deg,rgba(217,238,241,.45),rgba(255,255,255,0))}
.compare-item:hover{background:var(--bg-2)}
.compare-item h3{font-size:17px;margin-bottom:12px}
.compare-num{font-size:30px;font-weight:800;letter-spacing:.4px;color:var(--primary-dark);line-height:1.1}
.compare-item.is-accent .compare-num{color:var(--orange)}
.compare-item p{font-size:14px;color:var(--text-2);margin-top:10px}
.compare-tag{display:inline-block;font-size:12px;color:var(--text-3);letter-spacing:.6px;margin-bottom:6px}

/* ---------- faq ---------- */
.faq-list{max-width:880px}
.faq-item{background:#fff;border:1px solid var(--border);border-radius:var(--radius);margin-bottom:14px;overflow:hidden;transition:border-color .2s ease,box-shadow .2s ease}
.faq-item:hover{border-color:var(--primary-light)}
.faq-item.is-open{border-color:var(--primary-light);box-shadow:var(--shadow)}
.faq-q{width:100%;min-height:56px;display:flex;align-items:center;justify-content:space-between;gap:18px;padding:14px 22px;background:none;border:0;text-align:left;font-size:17px;font-weight:600;color:var(--text);cursor:pointer}
.faq-icon{position:relative;width:22px;height:22px;flex:0 0 22px;border-radius:50%;background:var(--primary-light);transition:background .25s ease}
.faq-icon::before,.faq-icon::after{content:"";position:absolute;left:50%;top:50%;background:var(--primary-dark);border-radius:2px}
.faq-icon::before{width:10px;height:2px;transform:translate(-50%,-50%)}
.faq-icon::after{width:2px;height:10px;transform:translate(-50%,-50%);transition:transform .25s ease,opacity .25s ease}
.faq-item.is-open .faq-icon{background:var(--lemon)}
.faq-item.is-open .faq-icon::after{transform:translate(-50%,-50%) rotate(90deg);opacity:0}
.faq-a{max-height:0;overflow:hidden;transition:max-height .3s ease}
.faq-item.is-open .faq-a{max-height:340px}
.faq-a p{padding:0 22px 22px;font-size:15px;line-height:1.85;color:var(--text-2)}

/* ---------- cta band ---------- */
.cta-band{position:relative;overflow:hidden;background:var(--dark);color:#fff;padding:76px 0}
.cta-band::before{content:"";position:absolute;right:-70px;top:-80px;width:300px;height:300px;background:rgba(199,240,76,.09);transform:rotate(45deg)}
.cta-band::after{content:"";position:absolute;left:0;bottom:0;width:46%;height:6px;background:linear-gradient(90deg,var(--primary),transparent)}
.cta-inner{position:relative;z-index:2;display:grid;grid-template-columns:1.4fr 1fr;gap:40px;align-items:center}
.cta-inner h2{color:#fff}
.cta-inner p{color:rgba(255,255,255,.78);margin-top:14px;font-size:16px}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:26px}
.cta-side{display:grid;gap:12px}
.cta-fact{display:flex;align-items:center;gap:12px;padding:14px 18px;border:1px solid rgba(255,255,255,.16);border-radius:var(--radius-sm);background:rgba(255,255,255,.05);font-size:14px;color:rgba(255,255,255,.9)}
.cta-fact b{color:var(--lemon);font-weight:700}

/* ---------- footer ---------- */
.site-footer{background:var(--dark);color:rgba(255,255,255,.82);padding:70px 0 0;font-size:15px}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:40px;padding-bottom:48px}
.footer-brand{display:inline-flex;align-items:center;gap:10px;color:#fff;margin-bottom:16px}
.footer-brand .brand-text{color:#fff}
.site-footer h4{color:#fff;font-size:16px;margin-bottom:16px}
.site-footer p{color:rgba(255,255,255,.66);font-size:14px;line-height:1.8}
.footer-links li{margin-bottom:10px}
.footer-links a{color:rgba(255,255,255,.78);font-size:14px}
.footer-links a:hover{color:var(--lemon)}
.footer-form form{display:grid;gap:14px;margin-top:4px}
.field{display:grid;gap:6px}
.field label{font-size:13px;color:rgba(255,255,255,.72)}
.field input{width:100%;height:48px;padding:0 14px;border:1px solid rgba(255,255,255,.22);border-radius:var(--radius-sm);background:rgba(255,255,255,.06);color:#fff;transition:border-color .2s ease,background .2s ease}
.field input::placeholder{color:rgba(255,255,255,.45)}
.field input:focus{outline:none;border-color:var(--primary);background:rgba(15,124,138,.18);box-shadow:0 0 0 3px rgba(15,124,138,.25)}
.field.has-error input{border-color:var(--danger)}
.field .error-text{font-size:14px;color:#FFB4A2}
.footer-form .btn{width:100%}
.footer-bottom{display:flex;flex-wrap:wrap;gap:14px;align-items:center;justify-content:space-between;padding:20px 0 26px;border-top:1px solid rgba(255,255,255,.12);font-size:13px;color:rgba(255,255,255,.6)}
.footer-bottom nav{display:flex;flex-wrap:wrap;gap:16px}
.footer-bottom a{color:rgba(255,255,255,.7);font-size:13px}
.footer-bottom a:hover{color:var(--lemon)}

/* ---------- states ---------- */
.skeleton{position:relative;overflow:hidden;background:var(--bg-2);border-radius:var(--radius-sm)}
.skeleton::after{content:"";position:absolute;inset:0;background:linear-gradient(90deg,transparent,rgba(255,255,255,.75),transparent);transform:translateX(-100%);animation:shimmer 1.4s infinite}
@keyframes shimmer{to{transform:translateX(100%)}}
.empty-state{display:grid;justify-items:center;gap:10px;padding:48px 24px;text-align:center;color:var(--text-3);border:1px dashed var(--border);border-radius:var(--radius);background:#fff}
.empty-state svg{width:40px;height:40px;stroke:var(--text-3);fill:none;stroke-width:1.5}

/* ---------- responsive ---------- */
@media (max-width:1279px){
  .container{padding:0 22px}
  .section{padding:80px 0}
}
@media (max-width:1023px){
  .nav-wrap{flex-wrap:wrap;height:64px;gap:0;position:relative}
  .nav-toggle{display:flex;position:absolute;right:20px;top:10px}
  .brand{margin:0 auto}
  .nav-side{display:none;flex:0 0 100%;flex-direction:column;align-items:stretch;gap:0}
  .site-header.nav-open .nav-side{display:flex}
  .nav-left{order:2;border-top:1px solid var(--border);margin-top:8px;padding:6px 0 4px}
  .nav-right{order:3;padding:4px 0 16px;border-top:1px dashed var(--border)}
  .nav-link{min-height:44px;display:flex;align-items:center;font-size:16px}
  .nav-link.is-active{background:var(--primary-light);border-radius:var(--radius-sm);padding-left:12px}
  .nav-link.is-active::after{display:none}
  .grid-12{grid-template-columns:1fr}
  .span-7,.span-5{grid-column:span 1}
  .value-grid{grid-template-columns:repeat(2,1fr)}
  .value-item:nth-child(2){border-right:0}
  .value-item:nth-child(1),.value-item:nth-child(2){border-bottom:1px dashed var(--border)}
  .compare-band{grid-template-columns:repeat(2,1fr)}
  .compare-item:nth-child(2){border-right:0}
  .compare-item:nth-child(1),.compare-item:nth-child(2){border-bottom:1px dashed var(--border)}
  .cta-inner{grid-template-columns:1fr;gap:28px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  .section{padding:64px 0}
  .section-head{flex-direction:column;align-items:flex-start;gap:12px}
}
@media (max-width:767px){
  .container{padding:0 20px}
  .page-hero{padding:52px 0 56px}
  .hero-actions .btn{width:100%}
  .section{padding:52px 0}
  .section-tight{padding:44px 0}
  .value-grid{grid-template-columns:1fr}
  .value-item{border-right:0;border-bottom:1px dashed var(--border)}
  .value-item:last-child{border-bottom:0}
  .compare-band{grid-template-columns:1fr}
  .compare-item{border-right:0;border-bottom:1px dashed var(--border)}
  .compare-item:last-child{border-bottom:0}
  .card-body{padding:22px 20px 24px}
  .footer-grid{grid-template-columns:1fr}
  .cta-band{padding:56px 0}
  .footer-bottom{flex-direction:column;align-items:flex-start}
}
@media (max-width:480px){
  h1{font-size:27px}
  .brand-text{font-size:15px}
  .btn{min-height:46px;padding:0 20px;font-size:15px}
  .hero-badge{font-size:12px;padding:7px 12px}
}

/* roulang page: category2 */
:root{
  --brand:#0F7C8A;
  --brand-dark:#0A5A66;
  --brand-light:#D9EEF1;
  --lemon:#C7F04C;
  --orange:#FF5F2E;
  --bg:#F5F9FA;
  --bg-alt:#EAF3F5;
  --dark:#0B1A21;
  --text:#16242C;
  --text-2:#5B6C75;
  --text-3:#8C9AA1;
  --line:#DCE7EA;
  --danger:#D64545;
  --radius:14px;
  --radius-sm:10px;
  --radius-pill:999px;
  --shadow:0 10px 28px rgba(11,26,33,.08);
  --shadow-hover:0 16px 36px rgba(11,26,33,.14);
  --sp-1:8px; --sp-2:16px; --sp-3:24px; --sp-4:32px; --sp-5:48px; --sp-6:64px; --sp-7:88px;
  --container:1240px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:"PingFang SC","Microsoft YaHei","Source Han Sans SC",sans-serif;
  font-size:17px;
  line-height:1.75;
  color:var(--text);
  background:var(--bg);
}
img{max-width:100%;display:block;height:auto}
a{color:var(--brand);text-decoration:none;transition:color .2s ease}
a:hover{color:var(--orange)}
button{font-family:inherit}
h1,h2,h3,h4{margin:0 0 var(--sp-2);color:var(--text);letter-spacing:.2px}
h1{font-size:40px;line-height:1.25;font-weight:800}
h2{font-size:28px;line-height:1.3;font-weight:700}
h3{font-size:21px;line-height:1.4;font-weight:600}
h4{font-size:17px;line-height:1.4;font-weight:600}
p{margin:0 0 18px}
ul{margin:0;padding:0;list-style:none}
:focus-visible{outline:2px solid var(--brand);outline-offset:3px;border-radius:6px}

.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px}
.section{padding:88px 0}
.section-alt{background:var(--bg-alt)}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:40px}
.section-head p{margin:8px 0 0;color:var(--text-2);font-size:16px}
.link-more{font-size:15px;font-weight:600;color:var(--brand);display:inline-flex;align-items:center;gap:6px}
.link-more::after{content:"›";font-size:18px;line-height:1}
.link-more:hover{color:var(--orange)}

/* 顶部导航 */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(255,255,255,.94);
  backdrop-filter:blur(10px);
  border-bottom:1px solid var(--line);
  transition:height .25s ease, box-shadow .25s ease;
}
.site-header::before{
  content:"";position:absolute;top:0;left:0;height:4px;width:100%;
  background:linear-gradient(90deg,var(--brand) 0%,var(--brand) 42%,var(--lemon) 100%);
}
.site-header.is-scrolled{box-shadow:0 6px 18px rgba(11,26,33,.08)}
.nav-wrap{display:flex;align-items:center;justify-content:space-between;gap:24px;height:72px;position:relative}
.site-header.is-scrolled .nav-wrap{height:64px}
.nav-side{display:flex;align-items:center;gap:26px;flex:1;min-width:0}
.nav-left{justify-content:flex-start}
.nav-right{justify-content:flex-end}
.nav-link{
  position:relative;font-size:15.5px;font-weight:600;color:var(--text-2);
  padding:8px 2px;white-space:nowrap;
}
.nav-link::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:2px;
  background:var(--brand);border-radius:2px;transform:scaleX(0);transform-origin:left;
  transition:transform .22s ease;
}
.nav-link:hover{color:var(--brand)}
.nav-link:hover::after{transform:scaleX(1)}
.nav-link.is-active{color:var(--brand)}
.nav-link.is-active::after{transform:scaleX(1)}
.brand{display:inline-flex;align-items:center;gap:10px;flex:0 0 auto}
.brand-mark{
  width:38px;height:38px;border-radius:12px;flex:0 0 auto;
  background:linear-gradient(140deg,var(--brand) 0%,var(--brand-dark) 100%);
  display:inline-flex;align-items:center;justify-content:center;
  box-shadow:0 6px 16px rgba(15,124,138,.28);
}
.brand-mark svg{width:22px;height:22px}
.brand-text{font-size:19px;font-weight:800;color:var(--text);letter-spacing:.4px;white-space:nowrap}
.brand:hover .brand-text{color:var(--brand)}
.nav-toggle{
  display:none;width:46px;height:46px;border:1px solid var(--line);border-radius:12px;
  background:#fff;flex-direction:column;align-items:center;justify-content:center;gap:5px;cursor:pointer;
}
.nav-toggle span{display:block;width:20px;height:2px;background:var(--text);border-radius:2px;transition:transform .25s ease,opacity .2s ease}
.nav-toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.nav-toggle[aria-expanded="true"] span:nth-child(2){opacity:0}
.nav-toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}

.mobile-panel{
  position:fixed;top:0;left:0;right:0;z-index:55;
  background:#fff;border-bottom:1px solid var(--line);
  padding:96px 24px 32px;
  transform:translateY(-102%);transition:transform .25s ease;
  box-shadow:var(--shadow);
}
.mobile-panel.is-open{transform:translateY(0)}
.mobile-panel a{display:block;padding:14px 4px;font-size:16px;font-weight:600;color:var(--text);border-bottom:1px dashed var(--line)}
.mobile-panel a.is-active{color:var(--brand)}
.mobile-mask{
  position:fixed;inset:0;background:rgba(11,26,33,.55);z-index:50;
  opacity:0;visibility:hidden;transition:opacity .25s ease,visibility .25s ease;
}
.mobile-mask.is-open{opacity:1;visibility:visible}

/* 按钮 */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:48px;padding:0 26px;border-radius:var(--radius-pill);
  font-size:16px;font-weight:700;cursor:pointer;border:1px solid transparent;
  transition:transform .2s ease,box-shadow .2s ease,background .2s ease,color .2s ease,border-color .2s ease;
}
.btn:active{transform:translateY(0)}
.btn-solid{background:var(--brand);color:#fff;box-shadow:0 10px 24px rgba(15,124,138,.26)}
.btn-solid:hover{background:var(--brand-dark);color:#fff;transform:translateY(-2px);box-shadow:var(--shadow-hover)}
.btn-accent{background:var(--orange);color:#fff;box-shadow:0 10px 24px rgba(255,95,46,.28)}
.btn-accent:hover{background:#e94f20;color:#fff;transform:translateY(-2px);box-shadow:0 16px 32px rgba(255,95,46,.32)}
.btn-ghost{background:transparent;color:var(--brand);border-color:var(--brand);border-radius:var(--radius-sm)}
.btn-ghost:hover{background:var(--brand-light);color:var(--brand-dark);transform:translateY(-2px)}
.btn-light{background:#fff;color:var(--dark);box-shadow:var(--shadow)}
.btn-light:hover{transform:translateY(-2px);box-shadow:var(--shadow-hover);color:var(--dark)}
.btn-outline-light{background:transparent;color:#fff;border-color:rgba(255,255,255,.6);border-radius:var(--radius-sm)}
.btn-outline-light:hover{background:rgba(255,255,255,.14);color:#fff;border-color:#fff;transform:translateY(-2px)}
.btn[disabled],.btn.is-disabled{opacity:.5;cursor:not-allowed;transform:none;box-shadow:none}
.btn-block{width:100%}

/* 徽章与标签 */
.badge{
  display:inline-flex;align-items:center;gap:6px;height:26px;padding:0 10px;
  border-radius:6px;font-size:13px;font-weight:700;letter-spacing:.3px;
  background:var(--brand-light);color:var(--brand-dark);
}
.badge-accent{background:rgba(255,95,46,.12);color:#c8431a}
.badge-lemon{background:rgba(199,240,76,.28);color:#4a5c12}
.chip-row{display:flex;flex-wrap:wrap;gap:10px}
.chip{
  display:inline-flex;align-items:center;height:34px;padding:0 14px;border-radius:var(--radius-pill);
  background:#fff;border:1px solid var(--line);font-size:14px;color:var(--text-2);font-weight:600;
}
.chip:hover{border-color:var(--brand);color:var(--brand-dark)}

/* 面包屑 */
.crumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--text-3);margin-bottom:18px}
.crumb a{color:rgba(255,255,255,.82)}
.crumb a:hover{color:var(--lemon)}
.crumb .sep{opacity:.7}

/* 内页首屏 */
.page-hero{position:relative;overflow:hidden;color:#fff;padding:76px 0 84px}
.page-hero .hero-bg{position:absolute;inset:0;background:url('/assets/images/backpic/back-2.webp') center/cover no-repeat;transform:scale(1.03)}
.page-hero::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(102deg,rgba(11,26,33,.92) 0%,rgba(10,90,102,.78) 58%,rgba(11,26,33,.72) 100%);
}
.page-hero .container{position:relative;z-index:2}
.page-hero h1{color:#fff;max-width:20em;font-size:42px}
.page-hero p.lead{margin:0 0 26px;max-width:640px;font-size:17.5px;color:rgba(255,255,255,.86)}
.hero-meta{display:flex;flex-wrap:wrap;gap:12px;margin-bottom:24px}
.hero-meta span{
  display:inline-flex;align-items:center;gap:8px;height:32px;padding:0 14px;border-radius:var(--radius-pill);
  background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.22);
  font-size:13.5px;color:#fff;font-weight:600;
}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px}
.hero-deco{
  position:absolute;right:-60px;bottom:-70px;width:340px;height:340px;z-index:1;
  border:1px dashed rgba(199,240,76,.28);border-radius:50%;opacity:.5;
}

/* 速览条 */
.quick-strip{padding:56px 0 24px}
.quick-lead{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:24px;align-items:stretch}
.quick-intro{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:28px;box-shadow:var(--shadow)}
.quick-intro h2{font-size:24px}
.quick-intro p{color:var(--text-2);margin-bottom:16px;font-size:16px}
.quick-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:24px;
  box-shadow:var(--shadow);transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
}
.quick-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);border-color:var(--brand-light)}
.quick-card .num{font-size:13px;font-weight:800;color:var(--brand);letter-spacing:1px}
.quick-card h3{font-size:18px;margin:10px 0 8px}
.quick-card p{font-size:14.5px;color:var(--text-2);margin:0}

/* 条目行流 */
.flow{padding:72px 0 88px}
.flow-row{
  display:grid;grid-template-columns:1.05fr 1fr;gap:44px;align-items:center;
  padding:38px 0;border-bottom:1px dashed var(--line);
}
.flow-row:last-child{border-bottom:0}
.flow-row.is-reverse .flow-media{order:2}
.flow-row.is-reverse .flow-body{order:1}
.flow-media{
  position:relative;border-radius:var(--radius);overflow:hidden;
  aspect-ratio:16/10;background:var(--bg-alt);box-shadow:var(--shadow);
}
.flow-media img{width:100%;height:100%;object-fit:cover;transition:transform .5s ease}
.flow-row:hover .flow-media img{transform:scale(1.04)}
.flow-body{position:relative}
.flow-index{
  display:inline-flex;align-items:center;justify-content:center;
  width:44px;height:44px;border-radius:12px;margin-bottom:16px;
  background:var(--brand-light);color:var(--brand-dark);
  font-size:19px;font-weight:800;letter-spacing:.5px;
}
.flow-row:nth-child(even) .flow-index{background:rgba(255,95,46,.12);color:#c8431a}
.flow-body h3{font-size:22px;margin-bottom:10px}
.flow-body p{color:var(--text-2);font-size:16px;margin-bottom:14px}
.flow-point{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:16px}
.flow-point span{
  display:inline-flex;align-items:center;height:28px;padding:0 12px;border-radius:6px;
  background:var(--bg-alt);font-size:13px;font-weight:600;color:var(--brand-dark);
}
.flow-link{font-size:15px;font-weight:700;color:var(--brand);display:inline-flex;align-items:center;gap:6px}
.flow-link::after{content:"›";font-size:18px}
.flow-link:hover{color:var(--orange)}

/* 数据条 */
.data-band{background:var(--dark);color:#fff;padding:64px 0;position:relative;overflow:hidden}
.data-band::before{
  content:"";position:absolute;top:-80px;right:-40px;width:340px;height:340px;
  background:radial-gradient(circle,rgba(199,240,76,.16) 0%,rgba(199,240,76,0) 68%);
}
.data-band .container{position:relative;z-index:2}
.data-band h2{color:#fff;font-size:24px;margin-bottom:8px}
.data-band .band-note{color:rgba(255,255,255,.7);font-size:15.5px;margin-bottom:36px}
.data-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.data-item{border-left:2px solid rgba(199,240,76,.5);padding-left:20px}
.data-item strong{display:block;font-size:36px;font-weight:800;line-height:1.1;color:var(--lemon)}
.data-item span{display:block;margin-top:8px;font-size:15px;font-weight:600;color:#fff}
.data-item em{display:block;margin-top:6px;font-size:13.5px;font-style:normal;color:rgba(255,255,255,.62)}

/* 判罚对照表 */
.table-wrap{overflow-x:auto;border:1px solid var(--line);border-radius:var(--radius);background:#fff;box-shadow:var(--shadow)}
table.rule-table{width:100%;border-collapse:collapse;min-width:640px}
table.rule-table th,table.rule-table td{padding:16px 20px;text-align:left;font-size:15.5px}
table.rule-table thead th{background:var(--bg-alt);color:var(--brand-dark);font-weight:700;font-size:14.5px;border-bottom:1px solid var(--line)}
table.rule-table tbody tr:nth-child(even){background:#FAFCFD}
table.rule-table tbody tr{border-bottom:1px solid var(--line)}
table.rule-table tbody tr:last-child{border-bottom:0}
table.rule-table td:first-child{font-weight:700;color:var(--text)}
.table-note{margin-top:14px;font-size:14px;color:var(--text-3)}

/* FAQ */
.faq-list{max-width:900px}
.faq-item{background:#fff;border:1px solid var(--line);border-radius:var(--radius);margin-bottom:14px;overflow:hidden;transition:border-color .2s ease,box-shadow .2s ease}
.faq-item:hover{border-color:var(--brand-light)}
.faq-item.is-open{border-color:var(--brand);box-shadow:var(--shadow)}
.faq-q{
  width:100%;min-height:56px;display:flex;align-items:center;justify-content:space-between;gap:18px;
  padding:16px 22px;background:none;border:0;cursor:pointer;text-align:left;
  font-size:17px;font-weight:600;color:var(--text);
}
.faq-q:hover{color:var(--brand-dark)}
.faq-icon{
  position:relative;width:20px;height:20px;flex:0 0 auto;transition:transform .25s ease;
}
.faq-icon::before,.faq-icon::after{
  content:"";position:absolute;background:var(--brand);border-radius:2px;
}
.faq-icon::before{top:9px;left:0;width:20px;height:2px}
.faq-icon::after{top:0;left:9px;width:2px;height:20px}
.faq-item.is-open .faq-icon{transform:rotate(180deg)}
.faq-item.is-open .faq-icon::after{opacity:0}
.faq-a{max-height:0;overflow:hidden;transition:max-height .28s ease}
.faq-a p{margin:0;padding:0 22px 20px;color:var(--text-2);font-size:16px;line-height:1.8}

/* CTA 条 */
.cta-band{background:var(--dark);color:#fff;position:relative;overflow:hidden;padding:72px 0}
.cta-band::after{
  content:"";position:absolute;top:0;right:0;width:46%;height:100%;
  background:linear-gradient(115deg,rgba(15,124,138,.4) 0%,rgba(15,124,138,0) 70%);
  clip-path:polygon(18% 0,100% 0,100% 100%,0 100%);
}
.cta-inner{position:relative;z-index:2;display:grid;grid-template-columns:1.3fr 1fr;gap:44px;align-items:center}
.cta-band h2{color:#fff;font-size:30px;margin-bottom:12px}
.cta-band p{color:rgba(255,255,255,.78);margin-bottom:24px;max-width:34em}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px}
.cta-card{
  background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.16);
  border-radius:var(--radius);padding:26px;
}
.cta-card h3{color:#fff;font-size:18px;margin-bottom:12px}
.cta-card ul li{
  display:flex;gap:10px;align-items:flex-start;font-size:15px;color:rgba(255,255,255,.82);padding:7px 0;
}
.cta-card ul li::before{
  content:"";width:8px;height:8px;margin-top:8px;border-radius:2px;flex:0 0 auto;
  background:var(--lemon);transform:rotate(45deg);
}
.back-home{margin-top:26px;display:inline-flex;align-items:center;gap:8px;font-size:15px;font-weight:700;color:var(--lemon)}
.back-home:hover{color:#fff}

/* 表单 */
.field{margin-bottom:16px}
.field label{display:block;font-size:14px;font-weight:600;color:var(--text-2);margin-bottom:6px}
.field input,.field textarea{
  width:100%;min-height:48px;padding:12px 14px;border-radius:var(--radius-sm);
  border:1px solid var(--line);background:#fff;font-size:15.5px;color:var(--text);
  transition:border-color .2s ease,box-shadow .2s ease,background .2s ease;
}
.field input::placeholder,.field textarea::placeholder{color:var(--text-3)}
.field input:focus,.field textarea:focus{
  outline:none;border-color:var(--brand);box-shadow:0 0 0 3px rgba(15,124,138,.14);background:#FBFDFD;
}
.field.has-error input{border-color:var(--danger);box-shadow:0 0 0 3px rgba(214,69,69,.12)}
.field .err{display:block;margin-top:6px;font-size:14px;color:var(--danger)}

/* 页脚 */
.site-footer{background:var(--dark);color:rgba(255,255,255,.78);padding:72px 0 0;margin-top:0}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.3fr;gap:40px;padding-bottom:48px}
.footer-brand{display:inline-flex;align-items:center;gap:10px;margin-bottom:16px}
.footer-brand .brand-text{color:#fff;font-size:18px}
.footer-brand:hover .brand-text{color:var(--lemon)}
.site-footer h4{color:#fff;font-size:16px;margin-bottom:18px}
.site-footer p{font-size:14.5px;line-height:1.75;color:rgba(255,255,255,.66)}
.footer-links li{margin-bottom:12px}
.footer-links a{font-size:14.5px;color:rgba(255,255,255,.74)}
.footer-links a:hover{color:var(--lemon)}
.footer-form .field label{color:rgba(255,255,255,.7)}
.footer-form .field input{
  background:rgba(255,255,255,.06);border-color:rgba(255,255,255,.18);color:#fff;
}
.footer-form .field input::placeholder{color:rgba(255,255,255,.45)}
.footer-form .field input:focus{background:rgba(255,255,255,.1);border-color:var(--brand);box-shadow:0 0 0 3px rgba(15,124,138,.3)}
.footer-form .btn{margin-top:6px}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.12);padding:22px 0;
  display:flex;flex-wrap:wrap;gap:16px;align-items:center;justify-content:space-between;
  font-size:13.5px;color:rgba(255,255,255,.55);
}
.footer-bottom nav{display:flex;flex-wrap:wrap;gap:18px}
.footer-bottom nav a{color:rgba(255,255,255,.6)}
.footer-bottom nav a:hover{color:var(--lemon)}

@media (max-width:1279px){
  h1{font-size:36px}
  .page-hero h1{font-size:36px}
}
@media (max-width:1023px){
  .nav-side{display:none}
  .nav-toggle{display:flex}
  .nav-wrap{height:66px;justify-content:space-between}
  .brand{position:absolute;left:50%;transform:translateX(-50%)}
  .site-header.is-scrolled .nav-wrap{height:62px}
  .section{padding:64px 0}
  .quick-lead{grid-template-columns:1fr 1fr}
  .quick-intro{grid-column:1 / -1}
  .flow-row{grid-template-columns:1fr;gap:24px;padding:32px 0}
  .flow-row.is-reverse .flow-media{order:0}
  .flow-row.is-reverse .flow-body{order:0}
  .flow-body{order:0}
  .data-grid{grid-template-columns:repeat(2,1fr);gap:28px}
  .cta-inner{grid-template-columns:1fr;gap:32px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
}
@media (max-width:767px){
  body{font-size:16px}
  .container{padding:0 20px}
  h1{font-size:29px}
  h2{font-size:23px}
  h3{font-size:19px}
  .page-hero{padding:52px 0 60px}
  .page-hero h1{font-size:29px}
  .page-hero p.lead{font-size:16px}
  .hero-actions .btn{width:100%}
  .section{padding:52px 0}
  .section-head{flex-direction:column;align-items:flex-start;gap:12px;margin-bottom:28px}
  .quick-lead{grid-template-columns:1fr}
  .quick-strip{padding:44px 0 12px}
  .flow{padding:48px 0 56px}
  .data-band{padding:52px 0}
  .data-item strong{font-size:30px}
  .cta-band{padding:56px 0}
  .cta-band h2{font-size:24px}
  .cta-actions .btn{width:100%}
  .faq-q{font-size:16px;padding:14px 18px}
  .faq-a p{padding:0 18px 18px}
  .footer-grid{grid-template-columns:1fr;gap:28px}
  .footer-bottom{flex-direction:column;align-items:flex-start}
  .btn{min-height:48px}
}
@media (max-width:480px){
  h1{font-size:26px}
  .brand-text{font-size:16.5px}
  .brand-mark{width:34px;height:34px}
  .data-grid{grid-template-columns:1fr}
  .flow-media{aspect-ratio:4/3}
}

/* roulang page: category3 */
/* ============ 1. 设计令牌 ============ */
:root{
  --c-primary:#0F7C8A;
  --c-primary-dark:#0A5A66;
  --c-primary-light:#D9EEF1;
  --c-accent:#C7F04C;
  --c-orange:#FF5F2E;
  --c-orange-dark:#F04E1C;
  --bg:#F5F9FA;
  --bg-alt:#EAF3F5;
  --dark:#0B1A21;
  --text:#16242C;
  --text-2:#5B6C75;
  --text-3:#8C9AA1;
  --border:#DCE7EA;
  --error:#D64545;
  --r-sm:6px;
  --r-md:10px;
  --r-lg:14px;
  --r-pill:999px;
  --shadow:0 10px 28px rgba(11,26,33,.08);
  --shadow-hover:0 16px 36px rgba(11,26,33,.14);
  --container:1240px;
  --nav-h:72px;
  --nav-h-sm:64px;
}

/* ============ 2. Reset 与基础排版 ============ */
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:"PingFang SC","Microsoft YaHei","Source Han Sans SC","Hiragino Sans GB",sans-serif;
  font-size:16px;
  line-height:1.75;
  color:var(--text);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4{margin:0;font-weight:700;line-height:1.3;letter-spacing:.01em}
h1{font-size:clamp(30px,3.4vw,44px);font-weight:800;line-height:1.25}
h2{font-size:clamp(23px,2.2vw,30px)}
h3{font-size:20px;font-weight:600}
h4{font-size:17px}
p{margin:0 0 16px}
p:last-child{margin-bottom:0}
ul,ol{margin:0;padding:0;list-style:none}
img{display:block;max-width:100%;height:auto}
a{color:var(--c-primary);text-decoration:none;transition:color .2s ease}
a:hover{color:var(--c-orange)}
button,input,textarea,select{font:inherit;color:inherit}
button{cursor:pointer}
:focus-visible{outline:2px solid var(--c-primary);outline-offset:2px;border-radius:6px}
::selection{background:var(--c-primary-light);color:var(--c-primary-dark)}

/* ============ 3. 布局容器与板块 ============ */
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px}
.section{padding:92px 0}
.section-alt{background:var(--bg-alt)}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:40px;flex-wrap:wrap}
.section-head .lead{max-width:660px}
.section-kicker{
  display:inline-block;font-size:13px;font-weight:700;letter-spacing:.14em;
  color:var(--c-primary);text-transform:uppercase;margin-bottom:12px;
  padding-bottom:6px;border-bottom:2px dashed var(--c-primary-light);
}
.section-sub{color:var(--text-2);font-size:16px;margin-top:12px;margin-bottom:0}
.more-link{font-size:15px;font-weight:600;white-space:nowrap;border-bottom:1px solid currentColor;padding-bottom:2px}

/* ============ 4. 顶部导航 ============ */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(255,255,255,.96);
  backdrop-filter:blur(10px);
  border-bottom:1px solid var(--border);
  transition:box-shadow .25s ease;
}
.site-header::before{
  content:"";position:absolute;left:0;top:0;height:3px;width:100%;
  background:linear-gradient(90deg,var(--c-primary) 0%,var(--c-primary) 62%,var(--c-accent) 62%,var(--c-accent) 100%);
}
.site-header.is-scrolled{box-shadow:0 6px 22px rgba(11,26,33,.09)}
.nav-wrap{display:flex;align-items:center;gap:18px;height:var(--nav-h);transition:height .25s ease}
.site-header.is-scrolled .nav-wrap{height:var(--nav-h-sm)}
.nav-side{display:flex;align-items:center;gap:26px;flex:1 1 0;min-width:0}
.nav-left{justify-content:flex-start}
.nav-right{justify-content:flex-end}
.nav-link{
  position:relative;font-size:15px;font-weight:500;color:var(--text-2);
  padding:10px 2px;white-space:nowrap;
}
.nav-link::after{
  content:"";position:absolute;left:50%;bottom:2px;width:0;height:2px;
  background:var(--c-primary);border-radius:2px;transform:translateX(-50%);
  transition:width .22s ease;
}
.nav-link:hover{color:var(--c-primary)}
.nav-link:hover::after{width:70%}
.nav-link.is-active{color:var(--c-primary);font-weight:700}
.nav-link.is-active::after{width:70%}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto;padding:6px 4px}
.brand-mark{display:inline-flex;width:30px;height:30px;flex:0 0 auto;align-items:center;justify-content:center;background:var(--c-primary-dark);border-radius:9px}
.brand-mark svg{width:19px;height:19px}
.brand-text{font-size:17.5px;font-weight:800;color:var(--text);letter-spacing:.02em;white-space:nowrap}
.brand:hover .brand-text{color:var(--c-primary-dark)}
.nav-toggle{
  display:none;width:44px;height:44px;margin-left:auto;
  border:1px solid var(--border);border-radius:12px;background:#fff;
  padding:0;align-items:center;justify-content:center;flex-direction:column;gap:5px;
}
.nav-toggle span{display:block;width:19px;height:2px;background:var(--text);border-radius:2px;transition:transform .25s ease,opacity .2s ease}
.nav-toggle.is-open span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.nav-toggle.is-open span:nth-child(2){opacity:0}
.nav-toggle.is-open span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}

/* 移动端面板 */
.mobile-panel{
  position:fixed;inset:0;z-index:70;background:rgba(11,26,33,.55);
  opacity:0;visibility:hidden;transition:opacity .25s ease,visibility .25s ease;
}
.mobile-panel.is-open{opacity:1;visibility:visible}
.mobile-sheet{
  position:absolute;left:0;right:0;top:0;background:#fff;
  padding:88px 20px 28px;border-radius:0 0 18px 18px;
  transform:translateY(-14px);transition:transform .25s ease;
  box-shadow:0 18px 40px rgba(11,26,33,.22);
}
.mobile-panel.is-open .mobile-sheet{transform:translateY(0)}
.mobile-nav{display:flex;flex-direction:column;margin-bottom:18px}
.m-link{
  display:flex;align-items:center;min-height:52px;padding:6px 2px;
  font-size:16px;font-weight:500;color:var(--text-2);border-bottom:1px solid var(--border);
}
.m-link.is-active{color:var(--c-primary);font-weight:700}
.m-cta{width:100%}

/* ============ 5. 按钮与徽章 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:50px;padding:0 26px;border-radius:var(--r-pill);
  border:1px solid transparent;font-size:15px;font-weight:600;line-height:1;
  text-align:center;transition:transform .2s ease,box-shadow .2s ease,background .2s ease,color .2s ease,border-color .2s ease;
}
.btn:active{transform:translateY(0)}
.btn[disabled],.btn.is-disabled{opacity:.5;cursor:not-allowed;transform:none!important;box-shadow:none!important}
.btn-solid{background:var(--c-primary);color:#fff;box-shadow:0 10px 22px rgba(15,124,138,.22)}
.btn-solid:hover{background:var(--c-primary-dark);color:#fff;transform:translateY(-2px);box-shadow:0 14px 30px rgba(15,124,138,.3)}
.btn-cta{background:var(--c-orange);color:#fff;box-shadow:0 10px 24px rgba(255,95,46,.28)}
.btn-cta:hover{background:var(--c-orange-dark);color:#fff;transform:translateY(-2px);box-shadow:0 16px 32px rgba(255,95,46,.36)}
.btn-outline{border-color:var(--c-primary);color:var(--c-primary);background:transparent;border-radius:var(--r-md)}
.btn-outline:hover{background:var(--c-primary-light);color:var(--c-primary-dark);transform:translateY(-2px)}
.btn-ghost{border-color:rgba(255,255,255,.55);color:#fff;background:transparent;border-radius:var(--r-md)}
.btn-ghost:hover{background:rgba(255,255,255,.14);color:#fff;transform:translateY(-2px)}
.badge{
  display:inline-block;padding:4px 11px;border-radius:var(--r-sm);
  font-size:12px;font-weight:700;letter-spacing:.04em;
  background:var(--c-primary-light);color:var(--c-primary-dark);
}
.badge-accent{background:var(--c-accent);color:#243607}
.badge-dark{background:rgba(11,26,33,.82);color:#fff}

/* ============ 6. 首屏 ============ */
.page-hero{position:relative;overflow:hidden;background:var(--dark);color:#fff;isolation:isolate}
.hero-bg{
  position:absolute;inset:0;z-index:0;
  background-image:url('/assets/images/backpic/back-2.webp');
  background-size:cover;background-position:center;
  opacity:.62;
}
.hero-veil{
  position:absolute;inset:0;z-index:1;
  background:linear-gradient(115deg,rgba(11,26,33,.94) 0%,rgba(11,26,33,.76) 46%,rgba(11,26,33,.52) 100%);
}
.hero-shard{
  position:absolute;right:-90px;bottom:-150px;width:360px;height:360px;z-index:1;
  border:1px solid rgba(199,240,76,.12);transform:rotate(45deg);pointer-events:none;
}
.hero-shard::after{
  content:"";position:absolute;inset:52px;border:1px dashed rgba(255,255,255,.1);border-radius:50%;
}
.hero-inner{position:relative;z-index:2;padding-top:64px;padding-bottom:72px}
.breadcrumb{display:flex;flex-wrap:wrap;gap:8px;font-size:13px;color:rgba(255,255,255,.62);margin-bottom:20px}
.breadcrumb a{color:rgba(255,255,255,.78);text-decoration:none}
.breadcrumb a:hover{color:var(--c-accent)}
.breadcrumb .sep{color:rgba(255,255,255,.38)}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:700;letter-spacing:.1em;color:var(--c-accent);
  margin-bottom:16px;
}
.eyebrow::before{content:"";width:22px;height:2px;background:var(--c-accent);display:block}
.page-hero h1{color:#fff;max-width:16em;margin-bottom:16px}
.hero-sub{font-size:17px;color:rgba(255,255,255,.82);max-width:34em;margin-bottom:28px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:34px}
.hero-badges{display:flex;flex-wrap:wrap;gap:12px 28px;padding-top:24px;border-top:1px dashed rgba(255,255,255,.2)}
.hero-badges li{
  display:flex;align-items:center;gap:9px;font-size:14px;color:rgba(255,255,255,.84);
}
.hero-badges li::before{
  content:"";width:9px;height:9px;background:var(--c-accent);
  clip-path:polygon(50% 0,100% 25%,100% 75%,50% 100%,0 75%,0 25%);flex:0 0 auto;
}

/* ============ 7. 时间线 ============ */
.timeline{position:relative;display:grid;grid-template-columns:repeat(5,1fr);gap:20px;margin-top:8px}
.timeline::before{
  content:"";position:absolute;left:6px;right:6px;top:9px;
  border-top:2px dashed #C6DBDF;
}
.tl-item{position:relative;padding-top:34px}
.tl-dot{
  position:absolute;left:0;top:2px;width:16px;height:16px;border-radius:50%;
  background:#fff;border:3px solid var(--c-primary);z-index:2;
}
.tl-time{display:block;font-size:14px;font-weight:700;color:var(--c-primary-dark);margin-bottom:6px;letter-spacing:.02em}
.tl-title{font-size:18px;margin-bottom:8px}
.tl-text{font-size:14.5px;color:var(--text-2);margin:0}

/* ============ 8. 卡片网格 ============ */
.card-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:26px}
.card{
  display:flex;flex-direction:column;background:#fff;border:1px solid var(--border);
  border-radius:var(--r-lg);overflow:hidden;box-shadow:var(--shadow);
  transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
}
.card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);border-color:var(--c-primary-light)}
.card-media{position:relative;aspect-ratio:16/10;overflow:hidden;background:var(--bg-alt)}
.card-media img{width:100%;height:100%;object-fit:cover;transition:transform .35s ease}
.card:hover .card-media img{transform:scale(1.04)}
.card-media .badge{position:absolute;top:12px;left:12px}
.card-body{display:flex;flex-direction:column;gap:10px;padding:22px;flex:1 1 auto}
.card-title{font-size:19px;font-weight:700}
.card-text{font-size:15px;color:var(--text-2);margin:0}
.card-meta{
  display:flex;flex-wrap:wrap;gap:8px 16px;margin-top:auto;padding-top:14px;
  border-top:1px dashed var(--border);font-size:13px;color:var(--text-3);
}
.card-link{font-size:14px;font-weight:600}

/* ============ 9. 对比表 ============ */
.table-wrap{
  background:#fff;border:1px solid var(--border);border-radius:var(--r-lg);
  box-shadow:var(--shadow);overflow-x:auto;-webkit-overflow-scrolling:touch;
}
table.compare{width:100%;min-width:720px;border-collapse:collapse}
table.compare caption{
  text-align:left;padding:18px 22px 0;font-size:14px;color:var(--text-2);
}
table.compare th,table.compare td{
  padding:15px 22px;text-align:left;font-size:15px;border-bottom:1px solid var(--border);
}
table.compare thead th{
  background:var(--bg-alt);font-size:14px;font-weight:700;color:var(--text);
  letter-spacing:.03em;white-space:nowrap;
}
table.compare tbody tr:nth-child(even){background:#FAFDFD}
table.compare tbody tr:hover{background:var(--c-primary-light)}
table.compare tbody tr:last-child td{border-bottom:none}
table.compare td:first-child{font-weight:600;color:var(--text)}
.table-note{margin-top:16px;font-size:14px;color:var(--text-2)}

/* ============ 10. 流程步骤 ============ */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:22px}
.step{
  position:relative;background:#fff;border:1px solid var(--border);
  border-radius:var(--r-lg);padding:26px 22px;box-shadow:var(--shadow);
  transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
}
.step:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);border-color:var(--c-primary-light)}
.step-num{
  display:inline-flex;align-items:center;justify-content:center;
  width:38px;height:38px;border-radius:var(--r-md);
  background:var(--c-primary-light);color:var(--c-primary-dark);
  font-weight:800;font-size:15px;margin-bottom:14px;
}
.step h3{font-size:18px;margin-bottom:8px}
.step p{font-size:14.5px;color:var(--text-2);margin:0}

/* ============ 11. FAQ ============ */
.faq{max-width:900px;margin:0 auto;border-top:1px solid var(--border)}
.faq-item{border-bottom:1px solid var(--border)}
.faq-q{
  width:100%;min-height:56px;display:flex;align-items:center;justify-content:space-between;gap:18px;
  padding:14px 4px;background:none;border:0;text-align:left;
  font-size:17px;font-weight:600;color:var(--text);transition:color .2s ease;
}
.faq-q:hover{color:var(--c-primary)}
.faq-icon{position:relative;width:20px;height:20px;flex:0 0 auto}
.faq-icon::before,.faq-icon::after{
  content:"";position:absolute;left:50%;top:50%;background:var(--c-primary);border-radius:2px;
  transform:translate(-50%,-50%);transition:transform .25s ease,opacity .25s ease;
}
.faq-icon::before{width:16px;height:2px}
.faq-icon::after{width:2px;height:16px}
.faq-item.is-open .faq-icon::after{transform:translate(-50%,-50%) rotate(90deg);opacity:0}
.faq-a{max-height:0;overflow:hidden;transition:max-height .3s ease}
.faq-a p{font-size:15.5px;line-height:1.8;color:var(--text-2);padding:0 4px 22px;margin:0}
.faq-item.is-open .faq-a{max-height:320px}

/* ============ 12. CTA 区 ============ */
.cta-band{position:relative;overflow:hidden;background:var(--dark);color:#fff;padding:80px 0}
.cta-band::after{
  content:"";position:absolute;right:-140px;top:-90px;width:440px;height:440px;pointer-events:none;
  background:repeating-linear-gradient(45deg,rgba(199,240,76,.09) 0 2px,transparent 2px 16px);
}
.cta-grid{position:relative;z-index:2;display:grid;grid-template-columns:1.05fr .95fr;gap:44px;align-items:start}
.cta-band h2{color:#fff;margin-bottom:14px}
.cta-band .cta-text{color:rgba(255,255,255,.78);margin-bottom:26px}
.cta-list{display:grid;gap:12px;margin-bottom:28px}
.cta-list li{display:flex;gap:10px;font-size:15px;color:rgba(255,255,255,.86)}
.cta-list li::before{
  content:"";width:8px;height:8px;margin-top:9px;flex:0 0 auto;background:var(--c-accent);
  clip-path:polygon(50% 0,100% 25%,100% 75%,50% 100%,0 75%,0 25%);
}
.form-card{
  background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.16);
  border-radius:18px;padding:26px;
}
.form-card .field{margin-bottom:16px}
.form-card label{display:block;font-size:13px;font-weight:600;color:rgba(255,255,255,.74);margin-bottom:7px}
.form-card input,.form-card textarea{
  width:100%;min-height:48px;padding:12px 14px;border-radius:var(--r-md);
  border:1px solid rgba(255,255,255,.24);background:rgba(255,255,255,.96);
  color:var(--text);transition:border-color .2s ease,box-shadow .2s ease;
}
.form-card textarea{min-height:96px;resize:vertical}
.form-card input::placeholder,.form-card textarea::placeholder{color:var(--text-3)}
.form-card input:focus,.form-card textarea:focus{
  outline:none;border-color:var(--c-primary);box-shadow:0 0 0 3px rgba(15,124,138,.28);
}
.form-card input.is-error,.form-card textarea.is-error{border-color:var(--error)}
.form-hint{font-size:13px;color:rgba(255,255,255,.6);margin:12px 0 0}
.form-error{display:none;font-size:13px;color:#FFB4A2;margin-top:6px}
.form-error.is-show{display:block}
.form-card .btn{width:100%;margin-top:6px}

/* ============ 13. 页脚 ============ */
.site-footer{background:var(--dark);color:rgba(255,255,255,.72);padding-top:8px}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.3fr;gap:36px;padding:64px 0 44px}
.footer-brand{display:inline-flex;align-items:center;gap:10px;margin-bottom:14px}
.footer-brand .brand-text{color:#fff;font-size:17px;font-weight:800}
.footer-brand .brand-mark{background:rgba(255,255,255,.08)}
.site-footer h4{color:#fff;font-size:15px;margin-bottom:16px;letter-spacing:.02em}
.site-footer p{font-size:14.5px;color:rgba(255,255,255,.62);max-width:30em}
.footer-links li{margin-bottom:2px}
.footer-links a{display:inline-block;padding:5px 0;font-size:14.5px;color:rgba(255,255,255,.72)}
.footer-links a:hover{color:var(--c-accent)}
.footer-form .field{margin-bottom:14px}
.footer-form label{display:block;font-size:13px;color:rgba(255,255,255,.66);margin-bottom:6px}
.footer-form input{
  width:100%;min-height:48px;padding:12px 14px;border-radius:var(--r-md);
  border:1px solid rgba(255,255,255,.22);background:rgba(255,255,255,.96);color:var(--text);
  transition:border-color .2s ease,box-shadow .2s ease;
}
.footer-form input:focus{outline:none;border-color:var(--c-primary);box-shadow:0 0 0 3px rgba(15,124,138,.3)}
.footer-form .btn{width:100%}
.footer-bottom{
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:14px;
  padding:20px 0 30px;border-top:1px solid rgba(255,255,255,.12);
  font-size:13px;color:rgba(255,255,255,.5);
}
.footer-bottom nav{display:flex;flex-wrap:wrap;gap:18px}
.footer-bottom nav a{color:rgba(255,255,255,.62);font-size:13px}
.footer-bottom nav a:hover{color:var(--c-accent)}

/* ============ 14. 响应式 ============ */
@media (max-width:1279px){
  .timeline{grid-template-columns:repeat(5,1fr);gap:16px}
  .card-grid{gap:22px}
}
@media (max-width:1023px){
  .nav-side{display:none}
  .nav-toggle{display:inline-flex}
  .brand{margin:0 auto}
  .nav-wrap{justify-content:space-between}
  .section{padding:64px 0}
  .hero-inner{padding-top:48px;padding-bottom:56px}
  .timeline{grid-template-columns:repeat(2,1fr);gap:26px 20px}
  .timeline::before{display:none}
  .tl-item{padding-top:28px}
  .card-grid{grid-template-columns:repeat(2,1fr)}
  .steps{grid-template-columns:repeat(2,1fr)}
  .cta-grid{grid-template-columns:1fr;gap:32px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;padding:52px 0 36px}
  .cta-band{padding:64px 0}
}
@media (max-width:767px){
  .container{padding:0 20px}
  .section{padding:52px 0}
  .hero-bg{background-image:url('/assets/images/backpic/back-1.png')}
  .hero-inner{padding-top:38px;padding-bottom:44px}
  .page-hero h1{font-size:29px}
  .hero-sub{font-size:16px}
  .hero-actions{gap:12px}
  .hero-actions .btn{width:100%}
  .hero-badges{gap:10px 20px}
  .section-head{margin-bottom:26px}
  .card-grid{grid-template-columns:1fr}
  .steps{grid-template-columns:1fr}
  .timeline{grid-template-columns:1fr}
  .tl-item{padding-top:24px}
  .faq-q{font-size:16px}
  .footer-grid{grid-template-columns:1fr;gap:28px}
  .footer-bottom{flex-direction:column;align-items:flex-start}
}
@media (max-width:480px){
  .brand-text{font-size:15.5px}
  .btn{width:100%}
  .more-link{white-space:normal}
  .cta-band{padding:52px 0}
  .form-card{padding:20px}
}