/* roulang page: index */
:root{
  --brand-700:#0F3F86;
  --brand-600:#1758B0;
  --brand-500:#2273D8;
  --brand-200:#BBD4F4;
  --brand-50:#EDF3FC;
  --accent-500:#F2762E;
  --accent-600:#DB6620;
  --tone-safe:#2AA79B;
  --tone-warn:#E0A32E;
  --bg-page:#F5F7FA;
  --bg-alt:#EDF2F8;
  --surface:#FFFFFF;
  --line:#E3E9F1;
  --line-strong:#CFDAE7;
  --text-900:#17202B;
  --text-600:#5B6B7C;
  --text-400:#8B9AAB;
  --radius-card:14px;
  --radius-img:12px;
  --radius-input:10px;
  --shadow-1:0 1px 2px rgba(16,38,72,.04),0 8px 24px -14px rgba(16,38,72,.14);
  --shadow-2:0 2px 4px rgba(16,38,72,.06),0 16px 36px -18px rgba(16,38,72,.22);
  --header-h:68px;
  --font-base:"PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
}

*,*::before,*::after{box-sizing:border-box;}

html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}

body{
  margin:0;
  font-family:var(--font-base);
  font-size:16px;
  line-height:1.8;
  color:var(--text-900);
  background:var(--bg-page);
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}

img{max-width:100%;display:block;border:0;}
a{color:var(--brand-500);text-decoration:none;transition:color .2s ease-out,background-color .2s ease-out;}
a:hover{color:var(--brand-600);}
button{font-family:inherit;}
h1,h2,h3,h4,p,ul,ol,figure{margin:0;}
ul,ol{padding:0;list-style:none;}

:focus-visible{outline:2px solid var(--brand-500);outline-offset:2px;}

.rl-container{max-width:1200px;margin:0 auto;padding:0 32px;}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:46px;padding:0 22px;border-radius:var(--radius-input);
  font-size:15px;font-weight:600;line-height:1;border:1.5px solid transparent;
  cursor:pointer;white-space:nowrap;
  transition:background-color .2s ease-out,color .2s ease-out,transform .2s ease-out,box-shadow .2s ease-out,border-color .2s ease-out;
}
.btn-primary{background:var(--accent-500);border-color:var(--accent-500);color:#fff;box-shadow:0 8px 18px -12px rgba(242,118,46,.9);}
.btn-primary:hover{background:var(--accent-600);border-color:var(--accent-600);color:#fff;transform:translateY(-1px);}
.btn-secondary{background:#fff;border-color:var(--brand-500);color:var(--brand-600);}
.btn-secondary:hover{background:var(--brand-50);color:var(--brand-600);transform:translateY(-1px);}
.btn-ghost{background:transparent;color:var(--brand-600);padding:0 4px;}
.btn-ghost:hover{color:var(--brand-700);}
.btn:active{transform:translateY(1px);}
.btn-sm{height:38px;padding:0 16px;font-size:14px;border-radius:9px;}
.btn-block{width:100%;}

/* ---------- 顶部导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:80;
  background:rgba(255,255,255,.94);
  backdrop-filter:saturate(180%) blur(10px);
  -webkit-backdrop-filter:saturate(180%) blur(10px);
  border-bottom:1px solid transparent;
  transition:border-color .22s ease-out,box-shadow .22s ease-out;
}
.site-header.is-scrolled{border-bottom-color:var(--line);box-shadow:0 8px 24px -18px rgba(16,38,72,.45);}
.header-inner{height:var(--header-h);display:flex;align-items:center;gap:20px;}

.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto;}
.brand-mark{
  width:36px;height:36px;border-radius:10px;flex:0 0 auto;
  background:linear-gradient(140deg,var(--brand-500),var(--brand-700));
  display:flex;align-items:center;justify-content:center;color:#fff;font-size:15px;
  box-shadow:0 6px 14px -8px rgba(15,63,134,.8);
}
.brand-text{font-size:17px;font-weight:700;color:var(--text-900);letter-spacing:-.01em;line-height:1.2;}
.brand-text:hover{color:var(--brand-700);}

.main-nav{height:var(--header-h);display:flex;align-items:center;gap:6px;flex:1 1 auto;justify-content:center;}
.main-nav a{
  height:100%;display:inline-flex;align-items:center;
  padding:0 12px;font-size:15px;font-weight:500;color:var(--text-600);
  position:relative;border-radius:8px;
}
.main-nav a:hover{color:var(--brand-600);background:var(--brand-50);}
.main-nav a.is-active{color:var(--brand-600);font-weight:600;}
.main-nav a.is-active::after{
  content:"";position:absolute;left:12px;right:12px;bottom:0;height:2px;
  border-radius:2px;background:var(--brand-500);
}

.header-actions{display:flex;align-items:center;gap:10px;flex:0 0 auto;}
.nav-search{position:relative;width:220px;}
.nav-search input{
  width:100%;height:38px;border-radius:var(--radius-input);border:1px solid var(--line);
  background:var(--bg-alt);padding:0 12px 0 36px;font-size:14px;color:var(--text-900);
  transition:border-color .2s ease-out,box-shadow .2s ease-out,background-color .2s ease-out;
}
.nav-search input::placeholder{color:var(--text-400);}
.nav-search input:focus{outline:none;background:#fff;border-color:var(--brand-500);box-shadow:0 0 0 3px rgba(34,115,216,.13);}
.nav-search .sicon{position:absolute;left:12px;top:50%;transform:translateY(-50%);color:var(--text-400);font-size:13px;pointer-events:none;}

.nav-toggle{
  display:none;width:42px;height:42px;border-radius:10px;border:1px solid var(--line);
  background:#fff;color:var(--text-900);font-size:17px;align-items:center;justify-content:center;cursor:pointer;
}
.nav-toggle:hover{background:var(--brand-50);color:var(--brand-600);}

/* 抽屉 */
.drawer-mask{
  position:fixed;inset:0;background:rgba(15,32,58,.42);z-index:150;
  opacity:0;visibility:hidden;transition:opacity .22s ease-out,visibility .22s ease-out;
}
.drawer-mask.is-open{opacity:1;visibility:visible;}
.drawer{
  position:fixed;top:0;right:0;height:100%;width:min(320px,86vw);
  background:#fff;z-index:160;padding:22px 20px 32px;
  transform:translateX(102%);transition:transform .24s ease-out;
  display:flex;flex-direction:column;gap:18px;overflow-y:auto;
  box-shadow:-16px 0 40px -24px rgba(15,32,58,.5);
}
.drawer.is-open{transform:translateX(0);}
.drawer-head{display:flex;align-items:center;justify-content:space-between;}
.drawer-close{width:38px;height:38px;border-radius:10px;border:1px solid var(--line);background:#fff;color:var(--text-600);cursor:pointer;font-size:15px;}
.drawer-close:hover{background:var(--brand-50);color:var(--brand-600);}
.drawer-nav{display:flex;flex-direction:column;gap:4px;}
.drawer-nav a{
  padding:12px 14px;border-radius:10px;font-size:15px;font-weight:500;color:var(--text-600);
}
.drawer-nav a:hover{background:var(--brand-50);color:var(--brand-600);}
.drawer-nav a.is-active{background:var(--brand-50);color:var(--brand-600);font-weight:600;}
.drawer-search{position:relative;}
.drawer-search input{
  width:100%;height:44px;border-radius:var(--radius-input);border:1px solid var(--line);
  background:var(--bg-alt);padding:0 12px 0 38px;font-size:14px;
}
.drawer-search input:focus{outline:none;background:#fff;border-color:var(--brand-500);box-shadow:0 0 0 3px rgba(34,115,216,.13);}
.drawer-search i{position:absolute;left:13px;top:50%;transform:translateY(-50%);color:var(--text-400);font-size:13px;}
.drawer-actions{display:flex;flex-direction:column;gap:10px;}

/* ---------- 锚点胶囊条 ---------- */
.anchor-bar{
  position:sticky;top:var(--header-h);z-index:60;
  background:rgba(245,247,250,.95);
  backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px);
  border-bottom:1px solid var(--line);
}
.anchor-scroll{
  display:flex;gap:10px;padding:12px 0;overflow-x:auto;scrollbar-width:none;-ms-overflow-style:none;
}
.anchor-scroll::-webkit-scrollbar{display:none;}
.anchor-chip{
  flex:0 0 auto;height:36px;padding:0 16px;border-radius:999px;
  display:inline-flex;align-items:center;font-size:14px;font-weight:500;
  color:var(--text-600);background:#fff;border:1px solid var(--line);
  transition:all .2s ease-out;
}
.anchor-chip:hover{color:var(--brand-600);border-color:var(--brand-200);background:var(--brand-50);}
.anchor-chip.is-active{color:#fff;background:var(--brand-500);border-color:var(--brand-500);}

/* ---------- Hero ---------- */
.hero{
  position:relative;overflow:hidden;
  background:linear-gradient(180deg,#F5F7FA 0%,#EDF3FC 100%);
  padding:72px 0 88px;
}
.hero::before{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:linear-gradient(rgba(15,63,134,.03) 1px,transparent 1px),
                   linear-gradient(90deg,rgba(15,63,134,.03) 1px,transparent 1px);
  background-size:48px 48px;
}
.hero .rl-container{position:relative;z-index:1;}
.hero-eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  height:30px;padding:0 14px;border-radius:999px;
  background:var(--surface);border:1px solid var(--brand-200);color:var(--brand-600);
  font-size:13px;font-weight:600;letter-spacing:.02em;margin-bottom:20px;
}
.hero-eyebrow i{font-size:12px;}
.hero h1{
  font-size:clamp(30px,4.2vw,46px);font-weight:700;line-height:1.25;letter-spacing:-.01em;
  color:var(--text-900);margin-bottom:20px;
}
.hero h1 em{font-style:normal;color:var(--brand-600);}
.hero-sub{font-size:17px;line-height:1.8;color:var(--text-600);max-width:560px;margin-bottom:28px;}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-bottom:32px;}
.hero-trust{display:flex;flex-wrap:wrap;gap:10px 24px;}
.hero-trust span{display:inline-flex;align-items:center;gap:8px;font-size:14px;color:var(--text-600);font-weight:500;}
.hero-trust i{color:var(--tone-safe);font-size:14px;}

.hero-visual{position:relative;}
.hero-figure{
  position:relative;border-radius:var(--radius-card);overflow:hidden;
  border:1px solid var(--line);background:var(--surface);
  box-shadow:var(--shadow-2);aspect-ratio:16/11;
}
.hero-figure img{width:100%;height:100%;object-fit:cover;transition:transform .5s ease-out;}
.hero-figure:hover img{transform:scale(1.03);}
.hero-badge{
  position:absolute;top:16px;right:16px;z-index:2;
  display:inline-flex;align-items:center;gap:6px;
  height:30px;padding:0 13px;border-radius:999px;
  background:rgba(255,255,255,.95);color:var(--tone-safe);
  font-size:12.5px;font-weight:600;border:1px solid rgba(42,167,155,.35);
  box-shadow:0 6px 16px -10px rgba(15,63,134,.5);
}

/* ---------- 通用板块 ---------- */
.section{padding:96px 0;}
.section-alt{background:var(--bg-alt);}
.section-head{max-width:760px;margin-bottom:40px;}
.section-tag{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:600;color:var(--brand-600);letter-spacing:.04em;margin-bottom:12px;
}
.section-tag::before{
  content:"";width:22px;height:1px;background:var(--brand-200);position:relative;
}
.section-tag i{font-size:12px;color:var(--brand-500);}
.section-head h2{font-size:clamp(22px,2.6vw,30px);font-weight:700;line-height:1.3;letter-spacing:-.01em;}
.section-head p{margin-top:14px;font-size:15.5px;color:var(--text-600);max-width:760px;}
.section-head-row{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;flex-wrap:wrap;}

/* ---------- 卡片 ---------- */
.card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-card);
  box-shadow:var(--shadow-1);
  transition:transform .22s ease-out,box-shadow .22s ease-out,border-color .22s ease-out;
  height:100%;
}
.card:hover{transform:translateY(-2px);box-shadow:var(--shadow-2);}
.card-body{padding:24px;}
.card-img{border-radius:var(--radius-img);overflow:hidden;border:1px solid var(--line);}
.card-img img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease-out;}
.card:hover .card-img img{transform:scale(1.02);}

/* features 主卡 */
.feature-main{display:flex;flex-direction:column;height:100%;}
.feature-main .card-img{aspect-ratio:4/3;}
.feature-main .card-body{padding:26px;}
.feature-main h3{font-size:20px;font-weight:600;line-height:1.4;margin-bottom:12px;}
.feature-main p{font-size:15px;line-height:1.8;color:var(--text-600);}
.tag-row{display:flex;flex-wrap:wrap;gap:8px;margin-top:18px;}
.badge{
  display:inline-flex;align-items:center;height:26px;padding:0 12px;border-radius:999px;
  font-size:12.5px;font-weight:600;line-height:1;
}
.badge-brand{background:var(--brand-50);color:var(--brand-600);}
.badge-safe{background:rgba(42,167,155,.12);color:#1F857B;}
.badge-warn{background:rgba(224,163,46,.14);color:#9C6F12;}

/* features 列表 */
.feature-list{display:flex;flex-direction:column;}
.feature-item{
  display:flex;gap:18px;padding:22px 4px;
  border-bottom:1px solid var(--line);
}
.feature-item:first-child{padding-top:0;}
.feature-item:last-child{border-bottom:0;padding-bottom:0;}
.feature-icon{
  flex:0 0 auto;width:44px;height:44px;border-radius:12px;
  background:var(--brand-50);color:var(--brand-600);
  display:flex;align-items:center;justify-content:center;font-size:17px;
  border:1px solid var(--brand-200);
}
.feature-item h3{font-size:17px;font-weight:600;line-height:1.4;margin-bottom:6px;}
.feature-item p{font-size:14.5px;line-height:1.75;color:var(--text-600);}

/* ---------- demo 图文交替 ---------- */
.demo-row{align-items:center;margin-bottom:72px;}
.demo-row:last-child{margin-bottom:0;}
.demo-figure{
  border-radius:var(--radius-card);overflow:hidden;border:1px solid var(--line);
  box-shadow:var(--shadow-1);aspect-ratio:4/3;background:var(--surface);
}
.demo-figure img{width:100%;height:100%;object-fit:cover;transition:transform .45s ease-out;}
.demo-figure:hover img{transform:scale(1.02);}
.demo-step{
  display:inline-flex;align-items:center;gap:10px;margin-bottom:16px;
}
.demo-step-num{
  width:34px;height:34px;border-radius:999px;flex:0 0 auto;
  background:var(--brand-500);color:#fff;font-size:14px;font-weight:700;
  display:flex;align-items:center;justify-content:center;
  font-variant-numeric:tabular-nums;
  box-shadow:0 8px 18px -12px rgba(34,115,216,.95);
}
.demo-step-label{font-size:13px;font-weight:600;color:var(--brand-600);letter-spacing:.06em;}
.demo-text h3{font-size:21px;font-weight:600;line-height:1.4;margin-bottom:14px;}
.demo-text>p{font-size:15.5px;line-height:1.85;color:var(--text-600);margin-bottom:18px;}
.check-list{display:flex;flex-direction:column;gap:12px;}
.check-list li{display:flex;gap:10px;font-size:14.5px;line-height:1.75;color:var(--text-600);}
.check-list i{color:var(--tone-safe);font-size:13px;margin-top:6px;flex:0 0 auto;}

/* ---------- proof ---------- */
.stat-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;margin-bottom:56px;}
.stat-card{
  background:var(--bg-alt);border:1px solid var(--line);border-radius:var(--radius-card);
  padding:26px 22px;
}
.stat-num{
  font-size:34px;font-weight:700;color:var(--brand-600);line-height:1.1;
  font-variant-numeric:tabular-nums;letter-spacing:-.02em;
}
.stat-num small{font-size:16px;font-weight:600;margin-left:4px;}
.stat-label{margin-top:10px;font-size:14.5px;color:var(--text-600);line-height:1.6;}

.quote-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-card);
  padding:28px;box-shadow:var(--shadow-1);height:100%;
  transition:transform .22s ease-out,box-shadow .22s ease-out;
}
.quote-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-2);}
.quote-mark{font-size:22px;color:var(--brand-200);margin-bottom:14px;}
.quote-card p{font-size:15.5px;line-height:1.85;color:var(--text-900);margin-bottom:18px;}
.quote-meta{display:flex;align-items:center;gap:12px;padding-top:16px;border-top:1px solid var(--line);}
.quote-avatar{
  width:40px;height:40px;border-radius:999px;flex:0 0 auto;
  background:var(--brand-50);color:var(--brand-600);border:1px solid var(--brand-200);
  display:flex;align-items:center;justify-content:center;font-size:14px;font-weight:700;
}
.quote-meta strong{display:block;font-size:14.5px;font-weight:600;}
.quote-meta span{font-size:13px;color:var(--text-400);}
.quote-offset{margin-top:32px;}

.partner-strip{
  margin-top:56px;padding-top:36px;border-top:1px solid var(--line);
}
.partner-strip h3{font-size:14px;font-weight:600;color:var(--text-400);letter-spacing:.08em;margin-bottom:18px;}
.partner-blocks{display:grid;grid-template-columns:repeat(5,1fr);gap:16px;}
.partner-blocks span{
  height:56px;border-radius:10px;background:var(--bg-alt);border:1px solid var(--line);
  display:flex;align-items:center;justify-content:center;font-size:13px;color:var(--text-400);
}

/* ---------- price ---------- */
.price-grid{align-items:stretch;}
.price-card{
  position:relative;background:var(--surface);border:1px solid var(--line);
  border-radius:var(--radius-card);padding:32px 28px;height:100%;
  display:flex;flex-direction:column;box-shadow:var(--shadow-1);
  transition:transform .22s ease-out,box-shadow .22s ease-out;
}
.price-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-2);}
.price-card.is-featured{
  border:1.5px solid var(--brand-500);box-shadow:var(--shadow-2);
  transform:translateY(-8px);
}
.price-card.is-featured:hover{transform:translateY(-10px);}
.price-flag{
  position:absolute;top:-13px;left:28px;
  height:26px;padding:0 14px;border-radius:999px;background:var(--accent-500);color:#fff;
  font-size:12.5px;font-weight:600;display:inline-flex;align-items:center;
}
.price-name{font-size:16px;font-weight:600;color:var(--text-600);margin-bottom:12px;}
.price-value{
  font-size:36px;font-weight:700;color:var(--text-900);line-height:1.1;
  font-variant-numeric:tabular-nums;letter-spacing:-.02em;
}
.price-value small{font-size:15px;font-weight:500;color:var(--text-400);margin-left:6px;}
.price-desc{margin-top:12px;font-size:14.5px;color:var(--text-600);line-height:1.75;min-height:52px;}
.price-list{margin:24px 0 28px;display:flex;flex-direction:column;gap:12px;flex:1 1 auto;}
.price-list li{display:flex;gap:10px;font-size:14.5px;line-height:1.7;color:var(--text-600);}
.price-list i{color:var(--tone-safe);font-size:13px;margin-top:6px;flex:0 0 auto;}

.compare-note{margin-top:44px;}
.compare-note h3{font-size:17px;font-weight:600;margin-bottom:16px;}
.compare-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;}
.compare-item{
  background:var(--bg-alt);border:1px solid var(--line);border-radius:12px;padding:18px 18px;
}
.compare-item strong{display:block;font-size:14.5px;font-weight:600;margin-bottom:6px;}
.compare-item span{font-size:13.5px;color:var(--text-600);line-height:1.7;}
.compare-accordion{display:none;}

/* ---------- FAQ ---------- */
.faq-wrap{max-width:840px;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;gap:16px;text-align:left;
  padding:20px 24px;background:transparent;border:0;cursor:pointer;
  font-size:16.5px;font-weight:600;color:var(--text-900);line-height:1.6;
  transition:background-color .2s ease-out,color .2s ease-out;
}
.faq-q:hover{background:var(--brand-50);color:var(--brand-600);}
.faq-q .faq-idx{font-size:13px;font-weight:600;color:var(--brand-500);font-variant-numeric:tabular-nums;flex:0 0 auto;}
.faq-q .faq-ico{margin-left:auto;flex:0 0 auto;color:var(--brand-500);font-size:14px;transition:transform .22s ease-out;}
.faq-item.is-open .faq-q{background:var(--brand-50);color:var(--brand-600);}
.faq-item.is-open .faq-ico{transform:rotate(45deg);}
.faq-a{max-height:0;overflow:hidden;transition:max-height .26s ease-out;}
.faq-a-inner{padding:0 24px 24px 61px;font-size:15px;line-height:1.85;color:var(--text-600);}
.faq-item.is-open .faq-a{max-height:420px;}

/* ---------- news ---------- */
.news-card{
  display:flex;flex-direction:column;height:100%;
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-card);
  padding:24px;box-shadow:var(--shadow-1);color:inherit;
  transition:transform .22s ease-out,box-shadow .22s ease-out,border-color .22s ease-out;
}
.news-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-2);border-color:var(--brand-200);color:inherit;}
.news-card h3{
  font-size:17.5px;font-weight:600;line-height:1.5;color:var(--text-900);margin-bottom:12px;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.news-card p{
  font-size:14.5px;line-height:1.75;color:var(--text-600);margin-bottom:20px;flex:1 1 auto;
  display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;
}
.news-meta{
  display:flex;align-items:center;justify-content:space-between;gap:12px;
  padding-top:16px;border-top:1px solid var(--line);font-size:13px;color:var(--text-400);
  font-variant-numeric:tabular-nums;
}
.news-more{font-size:13.5px;font-weight:600;color:var(--brand-500);}
.news-card:hover .news-more{color:var(--brand-700);}

.empty-state{
  text-align:center;padding:56px 24px;border:1px dashed var(--line-strong);
  border-radius:var(--radius-card);background:var(--surface);
}
.empty-state i{font-size:26px;color:var(--brand-200);margin-bottom:14px;display:block;}
.empty-state p{font-size:15px;color:var(--text-600);}

.section-link{font-size:14.5px;font-weight:600;color:var(--brand-600);display:inline-flex;align-items:center;gap:6px;}
.section-link:hover{color:var(--brand-700);}

/* ---------- 结尾 CTA ---------- */
.cta-band{
  background:var(--brand-50);border-top:1px solid var(--brand-200);border-bottom:1px solid var(--brand-200);
  padding:72px 0;text-align:center;
}
.cta-band h2{font-size:clamp(22px,2.6vw,30px);font-weight:700;line-height:1.35;margin-bottom:16px;}
.cta-band p{font-size:15.5px;color:var(--text-600);max-width:640px;margin:0 auto 28px;}
.cta-band .cta-actions{display:flex;justify-content:center;gap:12px;flex-wrap:wrap;}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--brand-700);color:#fff;padding:64px 0 0;}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:40px;}
.footer-brand .brand-text{color:#fff;font-size:17px;}
.footer-brand .brand-mark{background:rgba(255,255,255,.14);box-shadow:none;}
.footer-brand p{margin-top:16px;font-size:14px;line-height:1.8;color:rgba(255,255,255,.68);max-width:300px;}
.footer-col h4{font-size:14.5px;font-weight:600;color:#fff;margin-bottom:18px;letter-spacing:.03em;}
.footer-col ul{display:flex;flex-direction:column;gap:11px;}
.footer-col a{font-size:14px;color:rgba(255,255,255,.7);}
.footer-col a:hover{color:var(--brand-200);}
.footer-col p{font-size:14px;color:rgba(255,255,255,.7);line-height:1.8;}
.footer-bottom{
  margin-top:52px;padding:22px 0;border-top:1px solid rgba(255,255,255,.14);
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13px;color:rgba(255,255,255,.55);
}

/* ---------- 浮动 CTA ---------- */
.float-cta{
  position:fixed;right:24px;bottom:24px;z-index:90;
  height:52px;padding:0 24px;border-radius:999px;
  background:var(--accent-500);color:#fff;font-size:15px;font-weight:600;
  display:inline-flex;align-items:center;gap:8px;
  box-shadow:0 14px 30px -14px rgba(242,118,46,.95);
  opacity:0;visibility:hidden;transform:translateY(8px);
  transition:opacity .24s ease-out,transform .24s ease-out,visibility .24s ease-out,background-color .2s ease-out;
}
.float-cta.is-show{opacity:1;visibility:visible;transform:translateY(0);}
.float-cta:hover{background:var(--accent-600);color:#fff;transform:translateY(-1px);}
.float-cta.is-dim{opacity:.35;}

/* ---------- 响应式 ---------- */
@media screen and (max-width:1180px){
  .main-nav a{padding:0 9px;font-size:14.5px;}
  .nav-search{width:180px;}
}

@media screen and (max-width:1023px){
  .rl-container{padding:0 24px;}
  .section{padding:72px 0;}
  .hero{padding:56px 0 68px;}
  .main-nav{display:none;}
  .nav-search{display:none;}
  .nav-toggle{display:inline-flex;}
  .header-inner{justify-content:space-between;}
  .header-actions .btn-secondary{display:none;}
  .hero-visual{margin-top:36px;}
  .stat-grid{grid-template-columns:repeat(2,1fr);}
  .partner-blocks{grid-template-columns:repeat(3,1fr);}
  .compare-grid{grid-template-columns:repeat(2,1fr);}
  .footer-grid{grid-template-columns:1fr 1fr;gap:36px;}
  .quote-offset{margin-top:0;}
}

@media screen and (max-width:639px){
  .rl-container{padding:0 20px;}
  .section{padding:52px 0;}
  .hero{padding:40px 0 56px;}
  body{font-size:15.5px;}
  .hero-sub{font-size:15.5px;}
  .hero-actions .btn{width:100%;}
  .hero-trust{gap:10px 16px;}
  .card-body{padding:20px;}
  .section-head{margin-bottom:28px;}
  .stat-grid{grid-template-columns:1fr;gap:14px;}
  .stat-num{font-size:28px;}
  .partner-blocks{grid-template-columns:repeat(2,1fr);}
  .compare-grid{grid-template-columns:1fr;}
  .compare-accordion{display:block;}
  .compare-desktop{display:none;}
  .faq-q{padding:18px 16px;font-size:15.5px;}
  .faq-a-inner{padding:0 16px 20px 45px;font-size:14.5px;}
  .price-card.is-featured{transform:none;}
  .price-card.is-featured:hover{transform:translateY(-2px);}
  .footer-grid{grid-template-columns:1fr;gap:32px;}
  .site-footer{padding-top:48px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:8px;}
  .float-cta{
    right:20px;left:20px;bottom:16px;width:calc(100% - 40px);
    height:48px;justify-content:center;
  }
  .demo-row{margin-bottom:48px;}
  .cta-band{padding:52px 0;}
}

@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto;}
  *,*::before,*::after{
    transition-duration:.001ms !important;
    animation-duration:.001ms !important;
    transform:none !important;
  }
}

/* roulang page: article */
:root{
  --brand-700:#0F3F86;
  --brand-600:#1758B0;
  --brand-500:#2273D8;
  --brand-200:#BBD4F4;
  --brand-50:#EDF3FC;
  --accent-500:#F2762E;
  --accent-600:#DE6620;
  --tone-safe:#2AA79B;
  --tone-warn:#E0A32E;
  --bg-page:#F5F7FA;
  --bg-alt:#EDF2F8;
  --surface:#FFFFFF;
  --line:#E3E9F1;
  --line-strong:#CFDAE7;
  --text-900:#17202B;
  --text-600:#5B6B7C;
  --text-400:#8B9AAB;
  --radius-card:14px;
  --radius-img:12px;
  --radius-ctl:10px;
  --shadow-1:0 1px 2px rgba(16,38,72,.04),0 8px 24px -14px rgba(16,38,72,.14);
  --shadow-2:0 2px 4px rgba(16,38,72,.06),0 16px 36px -18px rgba(16,38,72,.22);
  --ease:200ms ease-out;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16px;
  line-height:1.8;
  color:var(--text-900);
  background:var(--bg-page);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;height:auto;display:block;border-style:none;}
a{color:var(--brand-500);text-decoration:none;transition:color var(--ease);}
a:hover{color:var(--brand-600);}
h1,h2,h3,h4{margin:0;font-weight:700;line-height:1.3;letter-spacing:-.01em;}
p{margin:0;}
ul,ol{margin:0;padding:0;}
button{font:inherit;}
input{font:inherit;}
:focus-visible{outline:2px solid var(--brand-500);outline-offset:2px;border-radius:6px;}

.rl-container{width:100%;max-width:1200px;margin:0 auto;padding:0 32px;}

/* ---------- header ---------- */
.site-header{
  position:sticky;top:0;z-index:120;
  background:#FFFFFF;
  border-bottom:1px solid transparent;
  transition:box-shadow var(--ease),border-color var(--ease),background var(--ease);
}
.site-header.is-scrolled{
  border-bottom-color:var(--line);
  box-shadow:0 6px 20px -14px rgba(16,38,72,.28);
  background:rgba(255,255,255,.94);
}
.header-inner{display:flex;align-items:center;gap:24px;height:72px;}
.brand{display:inline-flex;align-items:center;gap:10px;color:var(--brand-700);font-weight:700;font-size:18px;letter-spacing:-.01em;}
.brand:hover{color:var(--brand-600);}
.brand-mark{
  width:34px;height:34px;border-radius:10px;display:grid;place-items:center;
  background:linear-gradient(135deg,var(--brand-500),var(--brand-600));
  color:#fff;font-size:15px;
}
.brand-text{white-space:nowrap;}
.main-nav{display:flex;align-items:center;gap:28px;margin-left:6px;}
.main-nav a{
  position:relative;font-size:15px;font-weight:500;color:var(--text-600);
  padding:6px 8px;border-radius:8px;white-space:nowrap;
}
.main-nav a:hover{color:var(--brand-600);background:var(--brand-50);}
.main-nav a.is-active{color:var(--brand-600);}
.main-nav a.is-active::after{
  content:"";position:absolute;left:8px;right:8px;bottom:-3px;height:2px;
  background:var(--brand-500);border-radius:2px;
}
.header-actions{margin-left:auto;display:flex;align-items:center;gap:12px;}
.nav-search{position:relative;}
.nav-search input{
  width:220px;height:40px;border:1px solid var(--line);background:#fff;
  border-radius:var(--radius-ctl);padding:0 12px 0 36px;font-size:14px;color:var(--text-900);
  transition:border-color var(--ease),box-shadow var(--ease);
}
.nav-search input::placeholder{color:var(--text-400);}
.nav-search input:focus{outline:none;border-color:var(--brand-500);box-shadow:0 0 0 3px rgba(34,115,216,.12);}
.nav-search .sicon{position:absolute;left:12px;top:50%;transform:translateY(-50%);font-size:13px;color:var(--text-400);}
.nav-toggle{
  display:none;width:40px;height:40px;border-radius:var(--radius-ctl);
  border:1px solid var(--line);background:#fff;color:var(--brand-700);cursor:pointer;
}
.nav-toggle:hover{background:var(--brand-50);border-color:var(--brand-200);}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:46px;padding:0 20px;border-radius:var(--radius-ctl);
  font-size:15px;font-weight:600;border:1.5px solid transparent;cursor:pointer;
  transition:background var(--ease),color var(--ease),transform var(--ease),box-shadow var(--ease),border-color var(--ease);
  white-space:nowrap;
}
.btn-sm{height:40px;padding:0 16px;font-size:14px;}
.btn-primary{background:var(--accent-500);color:#fff;box-shadow:0 8px 18px -12px rgba(242,118,46,.9);}
.btn-primary:hover{background:var(--accent-600);color:#fff;transform:translateY(-1px);}
.btn-primary:active{transform:translateY(1px);}
.btn-secondary{background:#fff;color:var(--brand-600);border-color:var(--brand-500);}
.btn-secondary:hover{background:var(--brand-50);color:var(--brand-700);transform:translateY(-1px);}
.btn-ghost{background:transparent;color:var(--brand-600);padding:0 4px;height:auto;}
.btn-ghost:hover{color:var(--brand-700);text-decoration:underline;}

/* ---------- badges ---------- */
.badge{
  display:inline-flex;align-items:center;gap:6px;height:24px;padding:0 10px;
  border-radius:999px;font-size:12.5px;font-weight:600;line-height:1;
}
.badge-brand{background:var(--brand-50);color:var(--brand-600);}
.badge-safe{background:rgba(42,167,155,.12);color:#1D8479;}
.badge-soft{background:var(--bg-alt);color:var(--text-600);}

/* ---------- breadcrumb ---------- */
.crumbs{padding:20px 0 0;font-size:13px;color:var(--text-600);}
.crumbs ol{display:flex;flex-wrap:wrap;align-items:center;gap:8px;list-style:none;}
.crumbs li{display:inline-flex;align-items:center;gap:8px;}
.crumbs li+li::before{content:"/";color:var(--text-400);}
.crumbs a{color:var(--text-600);}
.crumbs a:hover{color:var(--brand-600);}
.crumbs .current{color:var(--text-900);font-weight:600;max-width:300px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;display:inline-block;vertical-align:bottom;}

/* ---------- article head ---------- */
.article-head{padding:22px 0 26px;border-bottom:1px solid var(--line);}
.article-head h1{
  font-size:clamp(28px,3.6vw,42px);font-weight:700;line-height:1.28;letter-spacing:-.01em;
  max-width:900px;
}
.article-meta{display:flex;flex-wrap:wrap;align-items:center;gap:14px;margin-top:18px;font-size:14px;color:var(--text-600);}
.article-meta .dot{width:4px;height:4px;border-radius:50%;background:var(--line-strong);}
.article-meta i{color:var(--brand-500);margin-right:4px;}
.article-lead{margin-top:16px;max-width:820px;color:var(--text-600);font-size:15.5px;}

/* ---------- layout ---------- */
.article-layout{display:grid;grid-template-columns:minmax(0,1fr) 268px;gap:56px;align-items:start;padding:44px 0 64px;}
.article-main{min-width:0;}
.article-body{max-width:760px;font-size:16px;line-height:1.8;color:var(--text-900);}
.article-body p{margin:0 0 1.2em;}
.article-body h2{font-size:clamp(21px,2.4vw,27px);margin:40px 0 16px;line-height:1.35;position:relative;padding-left:16px;}
.article-body h2::before{
  content:"";position:absolute;left:0;top:.28em;bottom:.28em;width:4px;border-radius:3px;
  background:linear-gradient(180deg,var(--brand-500),var(--brand-200));
}
.article-body h3{font-size:18.5px;font-weight:600;margin:28px 0 12px;}
.article-body h4{font-size:16.5px;font-weight:600;margin:22px 0 10px;}
.article-body ul,.article-body ol{margin:0 0 1.2em;padding-left:1.2em;}
.article-body li{margin-bottom:.5em;line-height:1.85;}
.article-body ul{list-style:disc;}
.article-body ol{list-style:decimal;}
.article-body blockquote{
  margin:24px 0;padding:16px 20px;background:var(--bg-alt);
  border-left:3px solid var(--brand-500);border-radius:0 var(--radius-img) var(--radius-img) 0;color:var(--text-600);
}
.article-body blockquote p:last-child{margin-bottom:0;}
.article-body img{border-radius:var(--radius-img);border:1px solid var(--line);margin:20px auto;}
.article-body figure{margin:24px 0;}
.article-body figcaption{text-align:center;font-size:13px;color:var(--text-600);margin-top:10px;}
.article-body a{color:var(--brand-500);border-bottom:1px solid rgba(34,115,216,.35);}
.article-body a:hover{color:var(--brand-700);border-bottom-color:var(--brand-700);}
.article-body code, .article-body pre{
  font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;font-size:14px;
  background:var(--bg-alt);border-radius:8px;
}
.article-body code{padding:2px 6px;}
.article-body pre{padding:16px;overflow:auto;border:1px solid var(--line);}
.article-body hr{border:none;border-top:1px solid var(--line);margin:32px 0;}
.article-body table{width:100%;border-collapse:collapse;margin:20px 0;font-size:15px;}
.article-body th,.article-body td{border-bottom:1px solid var(--line);padding:10px 12px;text-align:left;}
.article-body th{background:var(--brand-50);color:var(--brand-700);font-weight:600;}
.article-body strong{font-weight:700;}

.notice-box{
  display:flex;gap:12px;align-items:flex-start;
  background:var(--brand-50);border:1px solid var(--brand-200);border-radius:var(--radius-card);
  padding:16px 18px;margin:28px 0 0;font-size:14.5px;color:var(--brand-700);
}
.notice-box i{color:var(--tone-safe);margin-top:4px;}

.empty-state{
  max-width:760px;background:#fff;border:1px solid var(--line);border-radius:var(--radius-card);
  padding:44px 28px;text-align:center;box-shadow:var(--shadow-1);
}
.empty-state .ei{font-size:30px;color:var(--brand-500);margin-bottom:14px;}
.empty-state h2{font-size:20px;margin-bottom:10px;}
.empty-state p{color:var(--text-600);margin-bottom:22px;}

/* ---------- TOC ---------- */
.toc-card{
  position:sticky;top:96px;background:#fff;border:1px solid var(--line);
  border-radius:var(--radius-card);padding:20px;box-shadow:var(--shadow-1);
}
.toc-card h2{font-size:14px;letter-spacing:.08em;color:var(--text-600);margin-bottom:14px;font-weight:600;}
.toc-list{list-style:none;display:flex;flex-direction:column;gap:2px;max-height:58vh;overflow:auto;}
.toc-list a{
  display:block;font-size:14px;color:var(--text-600);padding:8px 10px;
  border-left:2px solid transparent;border-radius:0 8px 8px 0;line-height:1.5;
}
.toc-list a:hover{background:var(--brand-50);color:var(--brand-600);}
.toc-list a.is-current{border-left-color:var(--brand-500);background:var(--brand-50);color:var(--brand-600);font-weight:600;}
.toc-mobile{display:none;margin-bottom:24px;background:#fff;border:1px solid var(--line);border-radius:var(--radius-card);}
.toc-mobile summary{
  cursor:pointer;list-style:none;padding:16px 18px;font-size:15px;font-weight:600;color:var(--brand-700);
  display:flex;justify-content:space-between;align-items:center;
}
.toc-mobile summary::-webkit-details-marker{display:none;}
.toc-mobile summary::after{content:"\f078";font-family:"Font Awesome 6 Free";font-weight:900;font-size:12px;color:var(--text-400);}
.toc-mobile[open] summary::after{content:"\f077";}
.toc-mobile .toc-list{padding:0 12px 14px;}

/* ---------- tags / footer actions ---------- */
.article-foot{margin-top:48px;padding-top:28px;border-top:1px solid var(--line);max-width:760px;}
.tag-row{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:28px;}

/* ---------- post nav ---------- */
.post-nav{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px;max-width:760px;}
.post-nav-card{
  display:block;background:#fff;border:1px solid var(--line);border-radius:var(--radius-card);
  padding:18px 20px;box-shadow:var(--shadow-1);transition:transform var(--ease),box-shadow var(--ease),border-color var(--ease);
}
.post-nav-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-2);border-color:var(--brand-200);}
.post-nav-card .pn-label{font-size:13px;color:var(--text-400);display:block;margin-bottom:8px;}
.post-nav-card .pn-title{font-size:16px;font-weight:600;color:var(--text-900);line-height:1.5;}
.post-nav-next{text-align:right;}

/* ---------- related ---------- */
.section-block{padding:64px 0 0;}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:28px;}
.section-head h2{font-size:clamp(20px,2.3vw,26px);position:relative;padding-left:16px;}
.section-head h2::before{
  content:"";position:absolute;left:0;top:.3em;bottom:.3em;width:4px;border-radius:3px;
  background:linear-gradient(180deg,var(--brand-500),var(--brand-200));
}
.section-head .more{font-size:14px;font-weight:600;color:var(--brand-600);white-space:nowrap;}
.grid-cards{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px;}
.card{
  display:flex;flex-direction:column;background:#fff;border:1px solid var(--line);
  border-radius:var(--radius-card);box-shadow:var(--shadow-1);overflow:hidden;
  transition:transform var(--ease),box-shadow var(--ease),border-color var(--ease);
}
.card:hover{transform:translateY(-2px);box-shadow:var(--shadow-2);border-color:var(--brand-200);}
.card-media{overflow:hidden;border-bottom:1px solid var(--line);}
.card-media img{width:100%;aspect-ratio:4/3;object-fit:cover;transition:transform 240ms ease-out;}
.card:hover .card-media img{transform:scale(1.02);}
.card-body{padding:22px 22px 20px;display:flex;flex-direction:column;flex:1;}
.card-body h3{font-size:18px;font-weight:600;line-height:1.45;margin-bottom:10px;}
.card-body h3 a{color:var(--text-900);}
.card-body h3 a:hover{color:var(--brand-600);}
.card-body .excerpt{font-size:14.5px;line-height:1.75;color:var(--text-600);margin-bottom:18px;flex:1;}
.card-meta{display:flex;align-items:center;justify-content:space-between;gap:12px;font-size:13px;color:var(--text-400);}

/* ---------- CTA band ---------- */
.cta-band{
  margin:72px 0 72px;background:var(--brand-50);border:1px solid var(--brand-200);
  border-radius:18px;padding:52px 32px;text-align:center;
}
.cta-band h2{font-size:clamp(21px,2.6vw,28px);margin-bottom:14px;}
.cta-band p{color:var(--text-600);max-width:640px;margin:0 auto 26px;font-size:15.5px;}
.cta-band .cta-actions{display:flex;gap:14px;justify-content:center;flex-wrap:wrap;}

/* ---------- float cta ---------- */
.float-cta{
  position:fixed;right:24px;bottom:24px;z-index:110;
  display:inline-flex;align-items:center;gap:8px;height:52px;padding:0 22px;
  border-radius:999px;background:var(--accent-500);color:#fff;font-weight:600;font-size:15px;
  box-shadow:0 12px 26px -14px rgba(242,118,46,.95);
  opacity:0;transform:translateY(8px);pointer-events:none;
  transition:opacity var(--ease),transform var(--ease),background var(--ease);
}
.float-cta.is-visible{opacity:1;transform:translateY(0);pointer-events:auto;}
.float-cta:hover{background:var(--accent-600);color:#fff;}
.float-cta.is-parked{opacity:0;transform:translateY(12px);pointer-events:none;}

/* ---------- footer ---------- */
.site-footer{background:var(--brand-700);color:#fff;padding:60px 0 0;margin-top:0;}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.4fr;gap:36px;}
.footer-brand .brand{color:#fff;}
.footer-brand .brand-text{color:#fff;}
.footer-brand .brand-mark{background:rgba(255,255,255,.14);}
.footer-brand p{margin-top:16px;font-size:14px;line-height:1.8;color:rgba(255,255,255,.72);max-width:320px;}
.footer-col h4{font-size:15px;font-weight:600;color:#fff;margin-bottom:16px;}
.footer-col ul{list-style:none;display:flex;flex-direction:column;gap:10px;}
.footer-col a{color:rgba(255,255,255,.78);font-size:14px;}
.footer-col a:hover{color:var(--brand-200);}
.footer-col p{font-size:14px;color:rgba(255,255,255,.72);line-height:1.8;}
.footer-bottom{
  margin-top:48px;border-top:1px solid rgba(255,255,255,.14);
  padding:20px 0 26px;display:flex;justify-content:space-between;gap:14px;flex-wrap:wrap;
  font-size:13px;color:rgba(255,255,255,.62);
}

/* ---------- responsive ---------- */
@media (max-width:1023px){
  .rl-container{padding:0 24px;}
  .main-nav{
    display:none;position:absolute;top:72px;left:0;right:0;
    background:#fff;border-bottom:1px solid var(--line);box-shadow:0 18px 30px -22px rgba(16,38,72,.4);
    flex-direction:column;align-items:stretch;gap:0;padding:10px 16px 18px;margin-left:0;
  }
  .site-header.nav-open .main-nav{display:flex;}
  .main-nav a{padding:13px 10px;font-size:16px;border-radius:8px;}
  .main-nav a.is-active::after{display:none;}
  .main-nav a.is-active{background:var(--brand-50);}
  .nav-search{display:none;}
  .nav-toggle{display:inline-flex;align-items:center;justify-content:center;}
  .article-layout{grid-template-columns:minmax(0,1fr);gap:0;padding:32px 0 56px;}
  .toc-card{display:none;}
  .toc-mobile{display:block;}
  .grid-cards{grid-template-columns:repeat(2,minmax(0,1fr));gap:20px;}
  .footer-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:28px;}
}
@media (max-width:639px){
  .rl-container{padding:0 20px;}
  .header-inner{height:64px;gap:12px;}
  .main-nav{top:64px;}
  .brand-text{font-size:17px;}
  .btn-sm{height:38px;padding:0 14px;font-size:13.5px;}
  .crumbs{padding-top:16px;}
  .crumbs .current{max-width:170px;}
  .article-head{padding:18px 0 22px;}
  .article-body{font-size:15.5px;}
  .article-body h2{margin-top:32px;}
  .post-nav{grid-template-columns:minmax(0,1fr);gap:14px;}
  .post-nav-next{text-align:left;}
  .grid-cards{grid-template-columns:minmax(0,1fr);}
  .section-block{padding-top:48px;}
  .cta-band{margin:48px 0;padding:38px 22px;}
  .cta-band .cta-actions .btn{width:100%;}
  .float-cta{right:auto;left:20px;bottom:16px;width:calc(100% - 40px);height:48px;justify-content:center;}
  .footer-grid{grid-template-columns:minmax(0,1fr);gap:26px;}
  .site-footer{padding-top:44px;}
  .footer-bottom{margin-top:32px;flex-direction:column;gap:8px;}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{transition:none !important;animation:none !important;}
  html{scroll-behavior:auto;}
  .card:hover,.post-nav-card:hover,.btn:hover{transform:none !important;}
}

/* roulang page: category1 */
:root{
  --brand-700:#0F3F86;
  --brand-600:#1758B0;
  --brand-500:#2273D8;
  --brand-200:#BBD4F4;
  --brand-50:#EDF3FC;
  --accent-500:#F2762E;
  --tone-safe:#2AA79B;
  --tone-warn:#E0A32E;
  --bg-page:#F5F7FA;
  --bg-alt:#EDF2F8;
  --surface:#FFFFFF;
  --line:#E3E9F1;
  --line-strong:#CFDAE7;
  --text-900:#17202B;
  --text-600:#5B6B7C;
  --text-400:#8B9AAB;
  --r-card:14px;
  --r-img:12px;
  --r-ctl:10px;
  --shadow-1:0 1px 2px rgba(16,38,72,.04), 0 8px 24px -14px rgba(16,38,72,.14);
  --shadow-2:0 2px 4px rgba(16,38,72,.06), 0 16px 36px -18px rgba(16,38,72,.22);
  --font-cn:"PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  --nav-h:68px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--font-cn);
  font-size:16px;
  line-height:1.8;
  color:var(--text-900);
  background:var(--bg-page);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0;}
a{color:var(--brand-600);text-decoration:none;transition:color .2s ease-out,background-color .2s ease-out;}
a:hover{color:var(--brand-500);}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4{margin:0;font-weight:700;color:var(--text-900);letter-spacing:-0.01em;}
p{margin:0;}
button,input{font-family:inherit;font-size:inherit;color:inherit;}
button{cursor:pointer;border:0;background:none;}
:focus-visible{outline:2px solid var(--brand-500);outline-offset:2px;}
.grid-x{display:flex;flex-wrap:wrap;}
.grid-x>.cell{flex:0 0 auto;min-width:0;}
.grid-margin-x{margin-left:-12px;margin-right:-12px;}
.grid-margin-x>.cell{padding-left:12px;padding-right:12px;}
.cell.small-12{width:100%;}
@media screen and (min-width:640px){
  .cell.medium-6{width:50%;}
  .cell.medium-4{width:33.3333%;}
}
@media screen and (min-width:1024px){
  .cell.large-3{width:25%;}
  .cell.large-4{width:33.3333%;}
  .cell.large-5{width:41.6667%;}
  .cell.large-6{width:50%;}
  .cell.large-7{width:58.3333%;}
  .cell.large-8{width:66.6667%;}
}

/* ---------- 容器 ---------- */
.rl-container{
  width:100%;
  max-width:1200px;
  margin:0 auto;
  padding-left:32px;
  padding-right:32px;
}
@media screen and (max-width:1023px){ .rl-container{padding-left:24px;padding-right:24px;} }
@media screen and (max-width:639px){ .rl-container{padding-left:20px;padding-right:20px;} }
@media screen and (min-width:1440px){ .rl-container{max-width:1280px;} }

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  height:46px;
  padding:0 20px;
  border-radius:var(--r-ctl);
  font-size:15px;
  font-weight:600;
  line-height:1;
  white-space:nowrap;
  transition:background-color .2s ease-out,color .2s ease-out,box-shadow .2s ease-out,transform .2s ease-out,border-color .2s ease-out;
}
.btn i{font-size:14px;}
.btn-primary{
  background:var(--accent-500);
  color:#fff;
  box-shadow:0 6px 16px -10px rgba(242,118,46,.7);
}
.btn-primary:hover{background:#DE671F;color:#fff;transform:translateY(-1px);}
.btn-primary:active{transform:translateY(1px);}
.btn-secondary{
  background:#fff;
  color:var(--brand-600);
  border:1.5px solid var(--brand-500);
}
.btn-secondary:hover{background:var(--brand-50);color:var(--brand-600);}
.btn-secondary:active{transform:translateY(1px);}
.btn-ghost{
  background:transparent;
  color:var(--brand-600);
  padding:0 6px;
  height:auto;
}
.btn-ghost:hover{color:var(--brand-500);}
.btn-sm{height:38px;padding:0 15px;font-size:14px;border-radius:9px;}
.btn-block{width:100%;}

/* ---------- 头部 ---------- */
.site-header{
  position:sticky;
  top:0;
  z-index:60;
  background:rgba(255,255,255,.96);
  border-bottom:1px solid transparent;
  transition:border-color .22s ease-out,box-shadow .22s ease-out,background-color .22s ease-out;
}
.site-header.is-scrolled{
  border-bottom-color:var(--line);
  box-shadow:0 4px 20px -14px rgba(16,38,72,.28);
  background:rgba(255,255,255,.94);
  backdrop-filter:saturate(120%) blur(6px);
}
.header-inner{
  display:flex;
  align-items:center;
  gap:24px;
  height:var(--nav-h);
}
.brand{
  display:inline-flex;
  align-items:center;
  gap:10px;
  flex:0 0 auto;
  color:var(--text-900);
}
.brand:hover{color:var(--text-900);}
.brand-mark{
  width:34px;height:34px;
  display:inline-flex;align-items:center;justify-content:center;
  border-radius:10px;
  background:linear-gradient(140deg,var(--brand-600),var(--brand-500));
  color:#fff;font-size:15px;
  box-shadow:0 6px 14px -10px rgba(23,88,176,.9);
}
.brand-text{font-size:18px;font-weight:700;letter-spacing:-0.01em;}
.main-nav{
  display:flex;
  align-items:center;
  gap:28px;
  margin-left:8px;
  flex:1 1 auto;
}
.main-nav a{
  position:relative;
  font-size:15px;
  font-weight:500;
  color:var(--text-600);
  padding:6px 2px;
  border-radius:6px;
}
.main-nav a:hover{color:var(--brand-600);background:var(--brand-50);}
.main-nav a.is-active{color:var(--brand-500);font-weight:600;}
.main-nav a.is-active::after{
  content:"";
  position:absolute;left:2px;right:2px;bottom:-2px;
  height:2px;border-radius:2px;background:var(--brand-500);
}
.header-actions{
  display:flex;
  align-items:center;
  gap:12px;
  flex:0 0 auto;
}
.nav-search{
  position:relative;
  width:220px;
}
.nav-search .sicon{
  position:absolute;left:12px;top:50%;transform:translateY(-50%);
  font-size:13px;color:var(--text-400);pointer-events:none;
}
.nav-search input{
  width:100%;
  height:38px;
  padding:0 12px 0 34px;
  border:1px solid var(--line);
  border-radius:9px;
  background:#fff;
  font-size:14px;
  transition:border-color .2s ease-out,box-shadow .2s ease-out;
}
.nav-search input::placeholder{color:var(--text-400);}
.nav-search input:focus{
  outline:none;
  border-color:var(--brand-500);
  box-shadow:0 0 0 3px rgba(34,115,216,.12);
}
.nav-toggle{
  display:none;
  width:40px;height:40px;
  border:1px solid var(--line);
  border-radius:10px;
  color:var(--text-900);
  background:#fff;
  font-size:16px;
}
.nav-toggle:hover{background:var(--brand-50);color:var(--brand-600);}

/* ---------- 面包屑 ---------- */
.crumb-bar{
  background:#fff;
  border-bottom:1px solid var(--line);
}
.crumb{
  display:flex;
  align-items:center;
  gap:8px;
  flex-wrap:wrap;
  padding:14px 0;
  font-size:13px;
  color:var(--text-600);
}
.crumb a{color:var(--text-600);}
.crumb a:hover{color:var(--brand-500);}
.crumb .sep{color:var(--line-strong);}
.crumb .now{color:var(--text-900);font-weight:600;}

/* ---------- 内页 Hero ---------- */
.page-hero{
  position:relative;
  background:linear-gradient(160deg,var(--bg-page) 0%,var(--bg-alt) 46%,var(--brand-50) 100%);
  overflow:hidden;
}
.page-hero::before{
  content:"";
  position:absolute;inset:0;
  background-image:linear-gradient(rgba(23,88,176,.03) 1px,transparent 1px),linear-gradient(90deg,rgba(23,88,176,.03) 1px,transparent 1px);
  background-size:44px 44px;
  pointer-events:none;
}
.page-hero .rl-container{position:relative;z-index:1;}
.hero-grid{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:40px;
  padding:64px 0 68px;
}
.hero-copy{flex:1 1 480px;min-width:0;max-width:620px;}
.eyebrow{
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-size:13px;
  font-weight:600;
  color:var(--brand-600);
  background:var(--brand-50);
  border:1px solid var(--brand-200);
  border-radius:999px;
  padding:5px 12px;
  margin-bottom:20px;
}
.eyebrow .dot{width:6px;height:6px;border-radius:50%;background:var(--brand-500);}
.page-hero h1{
  font-size:clamp(30px,4.2vw,46px);
  line-height:1.25;
  margin-bottom:18px;
}
.page-hero h1 .hl{color:var(--brand-600);}
.hero-lead{
  font-size:16px;
  color:var(--text-600);
  max-width:44ch;
  margin-bottom:28px;
}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;align-items:center;}
.hero-note{
  margin-top:22px;
  font-size:13px;
  color:var(--text-600);
  display:flex;align-items:center;gap:8px;
}
.hero-note i{color:var(--tone-safe);}
.hero-visual{
  flex:1 1 380px;
  min-width:0;
  position:relative;
}
.hero-visual .frame{
  border:1px solid var(--line);
  border-radius:var(--r-card);
  overflow:hidden;
  background:#fff;
  box-shadow:var(--shadow-1);
}
.hero-visual img{
  width:100%;
  aspect-ratio:16/9;
  object-fit:cover;
}
.hero-badge{
  position:absolute;
  top:16px;right:16px;
  display:inline-flex;
  align-items:center;
  gap:7px;
  background:rgba(255,255,255,.96);
  border:1px solid var(--line);
  border-radius:999px;
  padding:6px 13px;
  font-size:12.5px;
  font-weight:600;
  color:var(--brand-700);
  box-shadow:var(--shadow-1);
}
.hero-badge i{color:var(--tone-safe);}

/* ---------- 锚点条 ---------- */
.anchor-bar{
  position:sticky;
  top:var(--nav-h);
  z-index:50;
  background:rgba(255,255,255,.95);
  border-bottom:1px solid var(--line);
  backdrop-filter:saturate(120%) blur(6px);
}
.anchor-scroll{
  display:flex;
  gap:10px;
  padding:12px 0;
  overflow-x:auto;
  scrollbar-width:none;
  -ms-overflow-style:none;
}
.anchor-scroll::-webkit-scrollbar{display:none;}
.anchor-scroll a{
  flex:0 0 auto;
  padding:7px 16px;
  border-radius:999px;
  border:1px solid var(--line);
  background:#fff;
  font-size:14px;
  font-weight:500;
  color:var(--text-600);
  transition:all .2s ease-out;
}
.anchor-scroll a:hover{background:var(--brand-50);color:var(--brand-600);border-color:var(--brand-200);}
.anchor-scroll a.is-current{
  background:var(--brand-50);
  border-color:var(--brand-500);
  color:var(--brand-600);
  font-weight:600;
}

/* ---------- 板块 ---------- */
.section{padding:104px 0;}
.section.alt{background:var(--bg-alt);}
.section.white{background:#fff;}
@media screen and (max-width:1023px){ .section{padding:76px 0;} }
@media screen and (max-width:639px){ .section{padding:52px 0;} }

.section-head{margin-bottom:40px;max-width:760px;}
.section-head.center{margin-left:auto;margin-right:auto;text-align:center;}
.section-label{
  display:inline-flex;
  align-items:center;
  gap:10px;
  font-size:13px;
  font-weight:600;
  color:var(--brand-600);
  letter-spacing:.06em;
  margin-bottom:14px;
}
.section-label::before{
  content:"";
  width:26px;height:1px;
  background:repeating-linear-gradient(90deg,var(--brand-500) 0 3px,transparent 3px 6px);
}
.section-label i{font-size:12px;}
.section-head h2{
  font-size:clamp(22px,2.6vw,30px);
  line-height:1.3;
  margin-bottom:14px;
}
.section-head p{
  font-size:15.5px;
  color:var(--text-600);
  max-width:42em;
}

/* ---------- 图文左右交替 ---------- */
.feature-row{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:44px;
  padding:44px 0;
  border-bottom:1px solid var(--line);
}
.feature-row:first-of-type{padding-top:0;}
.feature-row:last-of-type{border-bottom:0;padding-bottom:0;}
.feature-row .f-media{flex:1 1 380px;min-width:0;}
.feature-row .f-copy{flex:1 1 400px;min-width:0;}
.feature-row.reverse .f-media{order:2;}
.feature-row.reverse .f-copy{order:1;}
.f-media .frame{
  position:relative;
  border:1px solid var(--line);
  border-radius:var(--r-img);
  overflow:hidden;
  background:#fff;
  box-shadow:var(--shadow-1);
}
.f-media img{
  width:100%;
  aspect-ratio:4/3;
  object-fit:cover;
  transition:transform .24s ease-out;
}
.f-media .frame:hover img{transform:scale(1.02);}
.step-dot{
  position:absolute;
  left:16px;top:16px;
  width:40px;height:40px;
  border-radius:50%;
  background:#fff;
  border:1.5px solid var(--brand-500);
  color:var(--brand-600);
  font-size:15px;
  font-weight:700;
  display:flex;align-items:center;justify-content:center;
  font-variant-numeric:tabular-nums;
  box-shadow:var(--shadow-1);
}
.f-copy h3{
  font-size:20px;
  font-weight:600;
  line-height:1.4;
  margin-bottom:14px;
}
.f-copy p{
  font-size:15.5px;
  color:var(--text-600);
  margin-bottom:18px;
  max-width:42em;
}
.tick-list li{
  display:flex;
  align-items:flex-start;
  gap:10px;
  font-size:15px;
  color:var(--text-900);
  padding:9px 0;
  border-top:1px dashed var(--line);
}
.tick-list li:first-child{border-top:0;}
.tick-list i{
  color:var(--tone-safe);
  font-size:15px;
  margin-top:5px;
  flex:0 0 auto;
}
@media screen and (max-width:1023px){
  .feature-row{gap:28px;padding:34px 0;}
  .feature-row.reverse .f-media{order:1;}
  .feature-row.reverse .f-copy{order:2;}
}

/* ---------- 核验项目速览 ---------- */
.stat-strip{
  display:flex;
  flex-wrap:wrap;
  gap:20px;
  margin-bottom:40px;
}
.stat-item{
  flex:1 1 200px;
  background:var(--bg-alt);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  padding:22px 24px;
}
.stat-item .num{
  font-size:30px;
  font-weight:700;
  color:var(--brand-600);
  font-variant-numeric:tabular-nums;
  line-height:1.2;
}
.stat-item .num small{font-size:15px;font-weight:600;color:var(--text-600);margin-left:3px;}
.stat-item .lbl{
  font-size:13.5px;
  color:var(--text-600);
  margin-top:6px;
}

/* ---------- 清单卡片 ---------- */
.check-card{
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--r-card);
  padding:24px;
  height:100%;
  box-shadow:var(--shadow-1);
  transition:transform .22s ease-out,box-shadow .22s ease-out;
}
.check-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-2);}
.check-card .ico{
  width:40px;height:40px;
  border-radius:10px;
  background:var(--brand-50);
  color:var(--brand-600);
  display:flex;align-items:center;justify-content:center;
  font-size:16px;
  margin-bottom:16px;
}
.check-card h3{
  font-size:18px;
  font-weight:600;
  line-height:1.4;
  margin-bottom:10px;
}
.check-card p{
  font-size:14.5px;
  line-height:1.75;
  color:var(--text-600);
}
.card-grid{display:flex;flex-wrap:wrap;gap:24px;}
.card-grid>.cell{flex:1 1 300px;min-width:0;display:flex;}

/* ---------- 徽章 ---------- */
.badge{
  display:inline-flex;
  align-items:center;
  gap:6px;
  padding:4px 11px;
  border-radius:999px;
  font-size:12.5px;
  font-weight:600;
  line-height:1.5;
}
.badge-brand{background:var(--brand-50);color:var(--brand-600);}
.badge-safe{background:rgba(42,167,155,.12);color:#1F8278;}
.badge-warn{background:rgba(224,163,46,.14);color:#93690F;}

/* ---------- 提醒条 ---------- */
.notice{
  display:flex;
  gap:14px;
  align-items:flex-start;
  background:#fff;
  border:1px solid var(--line);
  border-left:3px solid var(--tone-warn);
  border-radius:10px;
  padding:18px 22px;
  margin-top:34px;
}
.notice i{color:var(--tone-warn);font-size:16px;margin-top:5px;}
.notice p{font-size:14.5px;color:var(--text-600);}
.notice strong{color:var(--text-900);}

/* ---------- 资讯卡 ---------- */
.news-card{
  display:flex;
  flex-direction:column;
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--r-card);
  overflow:hidden;
  height:100%;
  width:100%;
  box-shadow:var(--shadow-1);
  transition:transform .22s ease-out,box-shadow .22s ease-out,border-color .22s ease-out;
}
.news-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-2);border-color:var(--line-strong);}
.news-card .thumb{
  overflow:hidden;
  border-bottom:1px solid var(--line);
}
.news-card .thumb img{
  width:100%;
  aspect-ratio:4/3;
  object-fit:cover;
  transition:transform .24s ease-out;
}
.news-card:hover .thumb img{transform:scale(1.02);}
.news-card .body{
  padding:22px 22px 20px;
  display:flex;
  flex-direction:column;
  flex:1 1 auto;
}
.news-card h3{
  font-size:18px;
  font-weight:600;
  line-height:1.45;
  margin-bottom:10px;
}
.news-card h3 a{color:var(--text-900);}
.news-card h3 a:hover{color:var(--brand-500);}
.news-card .excerpt{
  font-size:14.5px;
  line-height:1.75;
  color:var(--text-600);
  display:-webkit-box;
  -webkit-line-clamp:3;
  -webkit-box-orient:vertical;
  overflow:hidden;
  margin-bottom:18px;
}
.news-card .meta{
  margin-top:auto;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:12px;
  padding-top:14px;
  border-top:1px solid var(--line);
  font-size:13px;
  color:var(--text-400);
}
.news-card .meta time{font-variant-numeric:tabular-nums;}
.news-card .more{
  display:inline-flex;
  align-items:center;
  gap:6px;
  font-size:13.5px;
  font-weight:600;
  color:var(--brand-600);
}
.news-card .more:hover{color:var(--brand-500);}

/* 空态 */
.empty-state{
  display:none;
  text-align:center;
  padding:52px 24px;
  background:#fff;
  border:1px dashed var(--line-strong);
  border-radius:var(--r-card);
}
.empty-state .ico{
  width:48px;height:48px;
  margin:0 auto 16px;
  border-radius:12px;
  background:var(--brand-50);
  color:var(--brand-600);
  display:flex;align-items:center;justify-content:center;
  font-size:18px;
}
.empty-state h3{font-size:18px;font-weight:600;margin-bottom:8px;}
.empty-state p{font-size:14.5px;color:var(--text-600);margin-bottom:20px;}

/* ---------- CTA 带 ---------- */
.cta-band{
  background:var(--brand-50);
  border-top:1px solid var(--brand-200);
  border-bottom:1px solid var(--brand-200);
  padding:76px 0;
  text-align:center;
}
.cta-band h2{
  font-size:clamp(22px,2.6vw,30px);
  line-height:1.3;
  margin-bottom:14px;
}
.cta-band p{
  font-size:15.5px;
  color:var(--text-600);
  max-width:52ch;
  margin:0 auto 28px;
}
.cta-band .hero-actions{justify-content:center;}
@media screen and (max-width:639px){ .cta-band{padding:52px 0;} }

/* ---------- 浮动 CTA ---------- */
.float-cta{
  position:fixed;
  right:24px;
  bottom:24px;
  z-index:55;
  display:inline-flex;
  align-items:center;
  gap:8px;
  height:52px;
  padding:0 24px;
  border-radius:999px;
  background:var(--accent-500);
  color:#fff;
  font-size:15px;
  font-weight:600;
  box-shadow:0 12px 28px -14px rgba(242,118,46,.85);
  opacity:0;
  visibility:hidden;
  transform:translateY(8px);
  transition:opacity .24s ease-out,transform .24s ease-out,visibility .24s ease-out,background-color .2s ease-out;
}
.float-cta.is-visible{opacity:1;visibility:visible;transform:translateY(0);}
.float-cta:hover{background:#DE671F;color:#fff;}
.float-cta.is-muted{opacity:.25;transform:translateY(10px);pointer-events:none;}
@media screen and (max-width:639px){
  .float-cta{
    right:20px;left:20px;bottom:16px;
    width:calc(100% - 40px);
    height:48px;
    justify-content:center;
  }
}

/* ---------- 页脚 ---------- */
.site-footer{
  background:var(--brand-700);
  color:#fff;
  padding:72px 0 0;
}
.site-footer .brand{color:#fff;}
.site-footer .brand-text{color:#fff;}
.site-footer .brand-mark{background:rgba(255,255,255,.16);box-shadow:none;}
.footer-grid{
  display:flex;
  flex-wrap:wrap;
  gap:40px;
  padding-bottom:48px;
}
.footer-brand{flex:1 1 300px;min-width:0;max-width:400px;}
.footer-brand p{
  margin-top:16px;
  font-size:14px;
  line-height:1.8;
  color:rgba(255,255,255,.72);
}
.footer-col{flex:1 1 180px;min-width:0;}
.footer-col h4{
  font-size:15px;
  font-weight:600;
  color:#fff;
  margin-bottom:16px;
}
.footer-col ul li{margin-bottom:11px;}
.footer-col a{
  font-size:14px;
  color:rgba(255,255,255,.76);
}
.footer-col a:hover{color:var(--brand-200);}
.footer-col p{
  font-size:14px;
  line-height:1.8;
  color:rgba(255,255,255,.72);
}
.footer-bottom{
  display:flex;
  flex-wrap:wrap;
  gap:10px;
  justify-content:space-between;
  align-items:center;
  border-top:1px solid rgba(255,255,255,.14);
  padding:22px 0 26px;
  font-size:13px;
  color:rgba(255,255,255,.6);
}

/* ---------- 移动端抽屉 ---------- */
@media screen and (max-width:1023px){
  .nav-search{display:none;}
  .nav-toggle{display:inline-flex;align-items:center;justify-content:center;}
  .main-nav{
    position:fixed;
    top:var(--nav-h);
    left:0;right:0;
    flex-direction:column;
    align-items:stretch;
    gap:2px;
    margin:0;
    padding:14px 20px 22px;
    background:#fff;
    border-bottom:1px solid var(--line);
    box-shadow:0 24px 40px -28px rgba(16,38,72,.4);
    display:none;
    max-height:calc(100vh - var(--nav-h));
    overflow-y:auto;
  }
  body.is-nav-open .main-nav{display:flex;}
  .main-nav a{padding:13px 12px;border-radius:10px;font-size:15.5px;}
  .main-nav a.is-active::after{left:12px;right:12px;bottom:8px;}
  .drawer-extra{display:block;padding:16px 0 0;border-top:1px solid var(--line);margin-top:12px;}
  .drawer-extra .nav-search{display:block;width:100%;margin-bottom:14px;}
  .drawer-extra .drawer-btns{display:flex;gap:12px;}
  .drawer-extra .btn{flex:1 1 0;}
}
@media screen and (min-width:1024px){
  .drawer-extra{display:none;}
}
@media screen and (max-width:639px){
  .header-inner{gap:12px;}
  .brand-text{font-size:16.5px;}
  .header-actions .btn-secondary{display:none;}
}

@media (prefers-reduced-motion: reduce){
  *{transition:none !important;animation:none !important;}
  html{scroll-behavior:auto;}
}

/* roulang page: category2 */
:root{
  --brand-700:#0F3F86;
  --brand-600:#1758B0;
  --brand-500:#2273D8;
  --brand-200:#BBD4F4;
  --brand-50:#EDF3FC;
  --accent-500:#F2762E;
  --accent-600:#DE6420;
  --tone-safe:#2AA79B;
  --tone-warn:#E0A32E;
  --bg-page:#F5F7FA;
  --bg-alt:#EDF2F8;
  --surface:#FFFFFF;
  --line:#E3E9F1;
  --line-strong:#CFDAE7;
  --text-900:#17202B;
  --text-600:#5B6B7C;
  --text-400:#8B9AAB;
  --r-card:14px;
  --r-img:12px;
  --r-btn:10px;
  --r-pill:999px;
  --sh-1:0 1px 2px rgba(16,38,72,.04), 0 8px 24px -14px rgba(16,38,72,.14);
  --sh-2:0 2px 4px rgba(16,38,72,.06), 0 16px 36px -18px rgba(16,38,72,.22);
  --sp-section:104px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16px;
  line-height:1.8;
  color:var(--text-900);
  background:var(--bg-page);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0;}
a{color:var(--brand-500);text-decoration:none;transition:color .2s ease-out,background-color .2s ease-out;}
a:hover{color:var(--brand-600);}
h1,h2,h3,h4{margin:0;color:var(--text-900);font-weight:700;letter-spacing:-0.01em;}
p{margin:0;}
ul{margin:0;padding:0;list-style:none;}
button{font-family:inherit;}
:focus-visible{outline:2px solid var(--brand-500);outline-offset:2px;}
::selection{background:var(--brand-200);color:var(--brand-700);}

.rl-container{width:100%;max-width:1200px;margin:0 auto;padding:0 32px;}
.section{padding:var(--sp-section) 0;}
.section-alt{background:var(--bg-alt);}
.section-head{margin-bottom:40px;max-width:760px;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:600;letter-spacing:.04em;
  color:var(--brand-600);background:var(--brand-50);
  border:1px solid var(--brand-200);border-radius:var(--r-pill);
  padding:5px 14px;margin-bottom:16px;
}
.eyebrow i{font-size:12px;}
h1{font-size:clamp(30px,4.2vw,46px);line-height:1.25;font-weight:700;}
.h2{font-size:clamp(22px,2.6vw,30px);line-height:1.3;font-weight:700;}
.section-head p{margin-top:14px;color:var(--text-600);font-size:16px;line-height:1.8;max-width:760px;}
.h3{font-size:19px;line-height:1.4;font-weight:600;}
.muted{color:var(--text-600);font-size:14px;line-height:1.7;}
.divider{height:1px;background:var(--line);border:0;margin:0;}

/* 按钮 */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:46px;padding:0 20px;border-radius:var(--r-btn);
  font-size:15px;font-weight:600;border:1.5px solid transparent;
  cursor:pointer;white-space:nowrap;
  transition:background-color .2s ease-out,color .2s ease-out,transform .2s ease-out,box-shadow .2s ease-out,border-color .2s ease-out;
}
.btn i{font-size:14px;}
.btn-primary{background:var(--accent-500);color:#fff;box-shadow:0 8px 20px -12px rgba(242,118,46,.75);}
.btn-primary:hover{background:var(--accent-600);color:#fff;transform:translateY(-1px);}
.btn-primary:active{transform:translateY(1px);}
.btn-secondary{background:var(--surface);border-color:var(--brand-500);color:var(--brand-600);}
.btn-secondary:hover{background:var(--brand-50);color:var(--brand-600);}
.btn-ghost{background:transparent;color:var(--brand-600);padding:0 6px;height:auto;}
.btn-ghost:hover{color:var(--brand-700);}
.btn-ghost i{transition:transform .2s ease-out;}
.btn-ghost:hover i{transform:translateX(3px);}
.btn-sm{height:38px;padding:0 16px;font-size:14px;}
.btn-block{width:100%;}
.btn[disabled]{opacity:.5;cursor:not-allowed;}

/* 徽章 */
.badge{
  display:inline-flex;align-items:center;gap:6px;
  border-radius:var(--r-pill);padding:4px 12px;
  font-size:12.5px;font-weight:600;line-height:1.5;
  background:var(--brand-50);color:var(--brand-600);border:1px solid var(--brand-200);
}
.badge-safe{background:rgba(42,167,155,.1);color:#1E857B;border-color:rgba(42,167,155,.28);}
.badge-warn{background:rgba(224,163,46,.12);color:#906718;border-color:rgba(224,163,46,.3);}
.badge-plain{background:var(--bg-alt);color:var(--text-600);border-color:var(--line);}

/* 头部导航 */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(255,255,255,.94);
  border-bottom:1px solid transparent;
  transition:box-shadow .22s ease-out,border-color .22s ease-out;
}
.site-header.is-scrolled{border-bottom-color:var(--line);box-shadow:0 6px 22px -18px rgba(16,38,72,.4);}
.header-inner{display:flex;align-items:center;gap:24px;height:68px;}
.brand{display:inline-flex;align-items:center;gap:10px;color:var(--text-900);font-weight:700;font-size:17px;letter-spacing:-0.01em;}
.brand:hover{color:var(--brand-600);}
.brand-mark{
  width:34px;height:34px;border-radius:10px;
  display:inline-flex;align-items:center;justify-content:center;
  background:linear-gradient(150deg,var(--brand-600),var(--brand-500));
  color:#fff;font-size:15px;box-shadow:0 6px 14px -8px rgba(23,88,176,.8);
}
.brand-text{white-space:nowrap;}
.main-nav{display:flex;align-items:center;gap:28px;margin-left:12px;}
.main-nav a{
  position:relative;font-size:15px;font-weight:500;color:var(--text-600);
  padding:6px 8px;border-radius:8px;
}
.main-nav a:hover{color:var(--brand-600);background:var(--brand-50);}
.main-nav a.is-active{color:var(--brand-600);font-weight:600;}
.main-nav a.is-active::after{
  content:"";position:absolute;left:8px;right:8px;bottom:-2px;
  height:2px;border-radius:2px;background:var(--brand-500);
}
.header-actions{display:flex;align-items:center;gap:12px;margin-left:auto;}
.nav-search{position:relative;width:220px;}
.nav-search .sicon{
  position:absolute;left:12px;top:50%;transform:translateY(-50%);
  font-size:13px;color:var(--text-400);pointer-events:none;
}
.nav-search input{
  width:100%;height:40px;padding:0 12px 0 34px;
  border:1px solid var(--line);border-radius:var(--r-btn);
  background:var(--bg-page);font-size:14px;color:var(--text-900);
  transition:border-color .2s ease-out,box-shadow .2s ease-out,background-color .2s ease-out;
}
.nav-search input::placeholder{color:var(--text-400);}
.nav-search input:focus{
  outline:none;background:#fff;border-color:var(--brand-500);
  box-shadow:0 0 0 3px rgba(34,115,216,.1);
}
.nav-toggle{
  display:none;width:40px;height:40px;border-radius:var(--r-btn);
  border:1px solid var(--line);background:#fff;color:var(--brand-600);
  font-size:16px;cursor:pointer;align-items:center;justify-content:center;
}
.nav-toggle:hover{background:var(--brand-50);}

.mobile-drawer{
  display:none;border-top:1px solid var(--line);background:#fff;
  padding:16px 0 22px;
}
.mobile-drawer.is-open{display:block;}
.mobile-drawer nav{display:flex;flex-direction:column;gap:4px;margin-bottom:16px;}
.mobile-drawer nav a{
  padding:11px 12px;border-radius:var(--r-btn);font-size:15px;
  color:var(--text-600);font-weight:500;
}
.mobile-drawer nav a:hover{background:var(--brand-50);color:var(--brand-600);}
.mobile-drawer nav a.is-active{background:var(--brand-50);color:var(--brand-600);font-weight:600;}
.mobile-drawer .drawer-actions{display:flex;flex-direction:column;gap:10px;}
.mobile-drawer .nav-search{width:100%;}

/* 面包屑 */
.breadcrumb{background:var(--bg-page);padding:20px 0 0;}
.breadcrumb ol{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13.5px;color:var(--text-600);}
.breadcrumb li{display:flex;align-items:center;gap:8px;}
.breadcrumb li+li::before{content:"/";color:var(--line-strong);}
.breadcrumb a{color:var(--text-600);}
.breadcrumb a:hover{color:var(--brand-600);}
.breadcrumb .current{color:var(--text-900);font-weight:600;}

/* 英雄区 */
.page-hero{
  background:linear-gradient(180deg,var(--bg-page) 0%,var(--brand-50) 100%);
  padding:40px 0 56px;
  position:relative;overflow:hidden;
}
.page-hero::before{
  content:"";position:absolute;inset:0;
  background-image:linear-gradient(rgba(15,63,134,.03) 1px,transparent 1px),linear-gradient(90deg,rgba(15,63,134,.03) 1px,transparent 1px);
  background-size:48px 48px;pointer-events:none;
}
.page-hero .rl-container{position:relative;z-index:1;}
.hero-grid{display:flex;align-items:center;gap:56px;}
.hero-copy{flex:1 1 58%;max-width:640px;}
.hero-copy h1{margin-bottom:18px;}
.hero-copy .lead{font-size:16.5px;line-height:1.85;color:var(--text-600);max-width:760px;}
.hero-copy .hero-cta{display:flex;flex-wrap:wrap;gap:14px;margin-top:28px;}
.hero-facts{display:flex;flex-wrap:wrap;gap:26px;margin-top:30px;padding-top:24px;border-top:1px dashed var(--line-strong);}
.hero-fact{display:flex;align-items:flex-start;gap:10px;font-size:13.5px;color:var(--text-600);}
.hero-fact i{color:var(--tone-safe);font-size:14px;margin-top:5px;}
.hero-media{flex:1 1 42%;min-width:280px;}
.hero-media .frame{
  position:relative;border-radius:var(--r-img);overflow:hidden;
  border:1px solid var(--line);box-shadow:var(--sh-1);background:#fff;
}
.hero-media img{width:100%;aspect-ratio:16/10;object-fit:cover;transition:transform .35s ease-out;}
.hero-media .frame:hover img{transform:scale(1.02);}
.hero-media .badge{position:absolute;top:14px;right:14px;background:rgba(255,255,255,.94);}

/* 锚点条 */
.anchor-bar{
  position:sticky;top:68px;z-index:50;
  background:rgba(255,255,255,.94);border-bottom:1px solid var(--line);
  backdrop-filter:saturate(150%) blur(6px);
}
.anchor-scroll{display:flex;gap:10px;overflow-x:auto;padding:12px 0;scrollbar-width:none;}
.anchor-scroll::-webkit-scrollbar{display:none;}
.anchor-scroll a{
  flex:0 0 auto;padding:7px 16px;border-radius:var(--r-pill);
  border:1px solid var(--line);background:#fff;
  font-size:14px;font-weight:500;color:var(--text-600);
}
.anchor-scroll a:hover{border-color:var(--brand-200);background:var(--brand-50);color:var(--brand-600);}
.anchor-scroll a.is-active{background:var(--brand-500);border-color:var(--brand-500);color:#fff;}

/* 时间线 */
.timeline{position:relative;max-width:900px;}
.timeline::before{
  content:"";position:absolute;left:23px;top:10px;bottom:10px;width:2px;
  background-image:linear-gradient(to bottom,var(--brand-200) 0 6px,transparent 6px 12px);
  background-size:2px 12px;
}
.tl-item{position:relative;padding-left:74px;margin-bottom:26px;}
.tl-item:last-child{margin-bottom:0;}
.tl-num{
  position:absolute;left:0;top:0;width:48px;height:48px;border-radius:var(--r-pill);
  background:#fff;border:1.5px solid var(--brand-200);color:var(--brand-600);
  display:flex;align-items:center;justify-content:center;
  font-weight:700;font-size:16px;font-variant-numeric:tabular-nums;
  box-shadow:0 6px 16px -12px rgba(16,38,72,.5);z-index:1;
}
.tl-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);
  padding:22px 24px;box-shadow:var(--sh-1);
  transition:transform .22s ease-out,box-shadow .22s ease-out,border-color .22s ease-out;
}
.tl-card:hover{transform:translateY(-2px);box-shadow:var(--sh-2);border-color:var(--brand-200);}
.tl-card .tl-top{display:flex;flex-wrap:wrap;align-items:center;gap:12px;margin-bottom:10px;}
.tl-card h3{font-size:19px;font-weight:600;line-height:1.4;}
.tl-card p{color:var(--text-600);font-size:15px;line-height:1.8;}
.tl-card .tl-meta{margin-top:14px;padding-top:14px;border-top:1px dashed var(--line);display:flex;flex-wrap:wrap;gap:16px;font-size:13px;color:var(--text-400);}
.tl-card .tl-meta span{display:inline-flex;align-items:center;gap:6px;}
.tl-card .tl-meta i{color:var(--brand-500);font-size:12px;}

/* 卡片通用 */
.card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);
  box-shadow:var(--sh-1);padding:24px;
  transition:transform .22s ease-out,box-shadow .22s ease-out,border-color .22s ease-out;
  height:100%;display:flex;flex-direction:column;
}
.card:hover{transform:translateY(-2px);box-shadow:var(--sh-2);}
.card-accent{border:1.5px solid var(--brand-500);}
.card-icon{
  width:42px;height:42px;border-radius:12px;flex:0 0 auto;
  display:inline-flex;align-items:center;justify-content:center;
  background:var(--brand-50);color:var(--brand-600);font-size:17px;
  border:1px solid var(--brand-200);margin-bottom:16px;
}
.card h3{font-size:19px;font-weight:600;line-height:1.4;margin-bottom:10px;}
.card p{color:var(--text-600);font-size:15px;line-height:1.75;}
.card .card-list{margin-top:16px;padding-top:16px;border-top:1px dashed var(--line);display:flex;flex-direction:column;gap:10px;}
.card .card-list li{display:flex;gap:10px;font-size:14.5px;color:var(--text-600);line-height:1.7;}
.card .card-list i{color:var(--tone-safe);font-size:13px;margin-top:5px;}

/* 明细行 */
.spec-rows{border:1px solid var(--line);border-radius:var(--r-card);overflow:hidden;background:#fff;box-shadow:var(--sh-1);}
.spec-row{display:flex;flex-wrap:wrap;gap:8px 24px;padding:18px 24px;border-bottom:1px solid var(--line);transition:background-color .2s ease-out;}
.spec-row:last-child{border-bottom:0;}
.spec-row:nth-child(even){background:var(--bg-alt);}
.spec-row:hover{background:var(--brand-50);}
.spec-row dt{flex:0 0 200px;font-weight:600;font-size:15px;color:var(--text-900);display:flex;align-items:center;gap:10px;}
.spec-row dt i{color:var(--brand-500);font-size:14px;}
.spec-row dd{flex:1 1 320px;margin:0;font-size:14.5px;color:var(--text-600);line-height:1.75;}

/* 核对清单 */
.check-list{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px;}
.check-item{
  display:flex;gap:14px;align-items:flex-start;
  background:#fff;border:1px solid var(--line);border-radius:var(--r-card);
  padding:18px 20px;box-shadow:var(--sh-1);
  transition:transform .2s ease-out,box-shadow .2s ease-out,border-color .2s ease-out;
}
.check-item:hover{transform:translateY(-2px);box-shadow:var(--sh-2);border-color:var(--brand-200);}
.check-box{
  width:26px;height:26px;border-radius:8px;flex:0 0 auto;
  background:rgba(42,167,155,.12);border:1px solid rgba(42,167,155,.35);
  color:#1E857B;display:inline-flex;align-items:center;justify-content:center;font-size:12px;margin-top:2px;
}
.check-item strong{display:block;font-size:16px;font-weight:600;margin-bottom:6px;}
.check-item span{display:block;font-size:14px;color:var(--text-600);line-height:1.75;}

/* 提示条 */
.notice{
  display:flex;gap:14px;align-items:flex-start;
  background:rgba(224,163,46,.08);border:1px solid rgba(224,163,46,.32);
  border-radius:var(--r-card);padding:18px 22px;
}
.notice i{color:#B07C18;font-size:16px;margin-top:5px;}
.notice p{font-size:15px;color:#7A5A12;line-height:1.8;}
.notice strong{color:#6A4D0C;}

/* 资讯卡 */
.news-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-card);
  overflow:hidden;box-shadow:var(--sh-1);height:100%;
  display:flex;flex-direction:column;
  transition:transform .22s ease-out,box-shadow .22s ease-out,border-color .22s ease-out;
}
.news-card:hover{transform:translateY(-2px);box-shadow:var(--sh-2);border-color:var(--brand-200);}
.news-thumb{overflow:hidden;border-bottom:1px solid var(--line);}
.news-thumb img{width:100%;aspect-ratio:4/3;object-fit:cover;transition:transform .35s ease-out;}
.news-card:hover .news-thumb img{transform:scale(1.02);}
.news-body{padding:22px 22px 20px;display:flex;flex-direction:column;flex:1 1 auto;}
.news-body h3{font-size:18px;font-weight:600;line-height:1.45;margin-bottom:10px;}
.news-body h3 a{color:var(--text-900);}
.news-body h3 a:hover{color:var(--brand-600);}
.news-body p{font-size:14.5px;color:var(--text-600);line-height:1.75;display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;}
.news-foot{
  margin-top:auto;padding-top:16px;display:flex;align-items:center;justify-content:space-between;gap:12px;
  font-size:13px;color:var(--text-400);
}
.news-foot .date{font-variant-numeric:tabular-nums;}
.news-more{display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:600;color:var(--brand-600);}
.news-more i{font-size:12px;transition:transform .2s ease-out;}
.news-more:hover i{transform:translateX(3px);}

/* 空态 */
.empty-state{
  border:1px dashed var(--line-strong);border-radius:var(--r-card);
  background:#fff;padding:48px 24px;text-align:center;
}
.empty-state i{font-size:26px;color:var(--brand-200);margin-bottom:14px;display:block;}
.empty-state strong{display:block;font-size:17px;font-weight:600;margin-bottom:8px;}
.empty-state p{font-size:14.5px;color:var(--text-600);margin-bottom:18px;}

/* CTA 带 */
.cta-band{background:var(--brand-50);border-top:1px solid var(--line);border-bottom:1px solid var(--line);}
.cta-band .inner{padding:72px 0;text-align:center;max-width:720px;margin:0 auto;}
.cta-band h2{font-size:clamp(22px,2.6vw,28px);line-height:1.35;margin-bottom:14px;}
.cta-band p{color:var(--text-600);font-size:15.5px;line-height:1.8;margin-bottom:26px;}
.cta-band .actions{display:flex;flex-wrap:wrap;gap:14px;justify-content:center;}

/* 页脚 */
.site-footer{background:var(--brand-700);color:rgba(255,255,255,.82);padding:64px 0 0;margin-top:0;}
.site-footer .footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.3fr;gap:40px;padding-bottom:48px;}
.site-footer .brand{color:#fff;font-size:17px;}
.site-footer .brand:hover{color:#fff;}
.site-footer .brand-mark{background:rgba(255,255,255,.14);box-shadow:none;}
.footer-brand p{margin-top:16px;font-size:14px;line-height:1.85;color:rgba(255,255,255,.72);max-width:320px;}
.footer-col h4{font-size:15px;font-weight:600;color:#fff;margin-bottom:16px;letter-spacing:.02em;}
.footer-col ul{display:flex;flex-direction:column;gap:10px;}
.footer-col a{color:rgba(255,255,255,.75);font-size:14px;}
.footer-col a:hover{color:var(--brand-200);}
.footer-col p{font-size:14px;line-height:1.85;color:rgba(255,255,255,.72);}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.14);
  padding:20px 0;display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;
  font-size:13px;color:rgba(255,255,255,.6);
}

/* 浮动 CTA */
.float-cta{
  position:fixed;right:24px;bottom:24px;z-index:55;
  display:inline-flex;align-items:center;gap:8px;
  height:52px;padding:0 22px;border-radius:var(--r-pill);
  background:var(--accent-500);color:#fff;font-weight:600;font-size:15px;
  box-shadow:0 14px 30px -14px rgba(242,118,46,.85);
  opacity:0;visibility:hidden;transform:translateY(8px);
  transition:opacity .22s ease-out,transform .22s ease-out,background-color .2s ease-out,visibility .22s;
}
.float-cta.is-visible{opacity:1;visibility:visible;transform:translateY(0);}
.float-cta:hover{background:var(--accent-600);color:#fff;transform:translateY(-2px);}
.float-cta.is-dim{opacity:.4;}

/* 工具类 */
.mt-24{margin-top:24px;}
.mt-32{margin-top:32px;}
.mb-24{margin-bottom:24px;}
.text-center{text-align:center;}

/* 响应式 */
@media screen and (max-width:1023px){
  :root{--sp-section:72px;}
  .rl-container{padding:0 24px;}
  .main-nav,.header-actions .nav-search,.header-actions .btn{display:none;}
  .nav-toggle{display:inline-flex;}
  .header-inner{height:64px;}
  .anchor-bar{top:64px;}
  .hero-grid{flex-direction:column;gap:32px;}
  .hero-copy,.hero-media{flex:1 1 auto;max-width:none;}
  .hero-media{width:100%;}
  .site-footer .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
  .check-list{grid-template-columns:1fr;}
}
@media screen and (max-width:639px){
  :root{--sp-section:52px;}
  .rl-container{padding:0 20px;}
  body{font-size:15.5px;}
  .header-inner{gap:12px;}
  .brand{font-size:16px;}
  .page-hero{padding:24px 0 40px;}
  .hero-copy .hero-cta{flex-direction:column;align-items:stretch;}
  .hero-copy .hero-cta .btn{width:100%;}
  .hero-facts{gap:16px;flex-direction:column;}
  .timeline::before{left:19px;}
  .tl-item{padding-left:60px;}
  .tl-num{width:40px;height:40px;font-size:14px;}
  .tl-card{padding:18px 18px;}
  .card{padding:20px;}
  .spec-row{padding:16px 18px;}
  .spec-row dt{flex:0 0 100%;}
  .site-footer .footer-grid{grid-template-columns:1fr;gap:28px;}
  .cta-band .inner{padding:56px 0;}
  .float-cta{right:20px;left:20px;bottom:16px;width:calc(100% - 40px);height:48px;justify-content:center;}
  .footer-bottom{flex-direction:column;}
}
@media (prefers-reduced-motion:reduce){
  *{transition:none !important;animation:none !important;}
  html{scroll-behavior:auto;}
}

/* roulang page: category3 */
:root{
  --brand-700:#0F3F86;
  --brand-600:#1758B0;
  --brand-500:#2273D8;
  --brand-200:#BBD4F4;
  --brand-50:#EDF3FC;
  --accent-500:#F2762E;
  --tone-safe:#2AA79B;
  --tone-warn:#E0A32E;
  --bg-page:#F5F7FA;
  --bg-alt:#EDF2F8;
  --surface:#FFFFFF;
  --line:#E3E9F1;
  --line-strong:#CFDAE7;
  --text-900:#17202B;
  --text-600:#5B6B7C;
  --text-400:#8B9AAB;
  --radius-card:14px;
  --radius-img:12px;
  --radius-btn:10px;
  --radius-pill:999px;
  --shadow-1:0 1px 2px rgba(16,38,72,.04), 0 8px 24px -14px rgba(16,38,72,.14);
  --shadow-2:0 2px 4px rgba(16,38,72,.06), 0 16px 36px -18px rgba(16,38,72,.22);
  --ease:cubic-bezier(.4,0,.2,1);
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;scroll-padding-top:130px;}
body{
  margin:0;
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16px;
  line-height:1.8;
  color:var(--text-900);
  background:var(--bg-page);
  -webkit-font-smoothing:antialiased;
  -moz-osx-font-smoothing:grayscale;
}
h1,h2,h3,h4,p,figure,dl,dd,dt{margin:0;}
h1,h2,h3,h4{font-weight:700;line-height:1.3;letter-spacing:-.01em;}
ul,ol{margin:0;padding:0;list-style:none;}
img{max-width:100%;display:block;border:0;}
a{color:var(--brand-600);text-decoration:none;transition:color .18s var(--ease),background-color .18s var(--ease);}
a:hover{color:var(--brand-500);}
button,input{font-family:inherit;font-size:inherit;}
button{cursor:pointer;}
:focus-visible{outline:2px solid var(--brand-500);outline-offset:2px;}
.tnum{font-variant-numeric:tabular-nums;}

/* ---------- 容器与栅格 ---------- */
.rl-container{
  width:100%;
  max-width:1280px;
  margin:0 auto;
  padding:0 32px;
}
.grid-x{margin-left:-12px;margin-right:-12px;}
.grid-x>.cell{padding-left:12px;padding-right:12px;}
.grid-margin-x{margin-left:-12px;margin-right:-12px;}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  height:46px;
  padding:0 20px;
  border-radius:var(--radius-btn);
  border:1.5px solid transparent;
  font-size:15px;
  font-weight:600;
  line-height:1;
  white-space:nowrap;
  transition:transform .18s var(--ease),background-color .18s var(--ease),box-shadow .18s var(--ease),color .18s var(--ease),border-color .18s var(--ease);
}
.btn-sm{height:40px;padding:0 16px;font-size:14px;}
.btn-primary{background:var(--accent-500);color:#fff;box-shadow:0 10px 22px -14px rgba(242,118,46,.95);}
.btn-primary:hover{background:#dd6722;color:#fff;transform:translateY(-1px);box-shadow:0 14px 26px -14px rgba(242,118,46,.95);}
.btn-primary:active{transform:translateY(1px);}
.btn-secondary{background:#fff;color:var(--brand-600);border-color:var(--brand-500);}
.btn-secondary:hover{background:var(--brand-50);color:var(--brand-600);transform:translateY(-1px);}
.btn-secondary:active{transform:translateY(1px);}
.btn-ghost{background:transparent;color:var(--brand-600);border:0;height:auto;padding:0 4px;}
.btn-ghost:hover{color:var(--brand-500);}
.btn-ghost i{transition:transform .18s var(--ease);}
.btn-ghost:hover i{transform:translateX(3px);}

/* ---------- 徽章 / 标签 ---------- */
.badge{
  display:inline-flex;
  align-items:center;
  gap:6px;
  height:26px;
  padding:0 12px;
  border-radius:var(--radius-pill);
  font-size:12.5px;
  font-weight:600;
  background:var(--brand-50);
  color:var(--brand-600);
  white-space:nowrap;
}
.badge-safe{background:rgba(42,167,155,.13);color:#1E8177;}
.badge-warn{background:rgba(224,163,46,.15);color:#8F6410;}

/* ---------- 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 transparent;
  transition:box-shadow .22s var(--ease),border-color .22s var(--ease);
}
.site-header.is-scrolled{border-bottom-color:var(--line);box-shadow:0 10px 26px -20px rgba(16,38,72,.55);}
.header-inner{
  display:flex;
  align-items:center;
  gap:24px;
  height:68px;
}
.brand{display:inline-flex;align-items:center;gap:10px;flex:0 0 auto;color:var(--text-900);}
.brand-mark{
  width:34px;height:34px;border-radius:10px;
  display:inline-flex;align-items:center;justify-content:center;
  background:linear-gradient(135deg,var(--brand-600),var(--brand-500));
  color:#fff;font-size:15px;
}
.brand-text{font-size:17px;font-weight:700;letter-spacing:-.01em;color:var(--text-900);}
.brand:hover .brand-text{color:var(--brand-600);}
.main-nav{display:flex;align-items:center;gap:28px;flex:1 1 auto;justify-content:center;}
.main-nav a{
  position:relative;
  font-size:15px;
  font-weight:500;
  color:var(--text-600);
  padding:8px 6px;
  border-radius:8px;
}
.main-nav a::after{
  content:"";
  position:absolute;left:6px;right:6px;bottom:0;height:2px;
  border-radius:2px;background:transparent;transition:background-color .2s var(--ease);
}
.main-nav a:hover{color:var(--brand-600);background:var(--brand-50);}
.main-nav a.is-active{color:var(--brand-600);font-weight:600;}
.main-nav a.is-active::after{background:var(--brand-500);}
.drawer-search{display:none;}
.header-actions{display:flex;align-items:center;gap:12px;flex:0 0 auto;}
.nav-search{position:relative;}
.nav-search .sicon{position:absolute;left:12px;top:50%;transform:translateY(-50%);color:var(--text-400);font-size:13px;pointer-events:none;}
.nav-search input{
  width:220px;height:40px;
  padding:0 12px 0 34px;
  border:1px solid var(--line);
  border-radius:var(--radius-btn);
  background:#fff;color:var(--text-900);font-size:14px;
  transition:border-color .18s var(--ease),box-shadow .18s var(--ease);
}
.nav-search input::placeholder{color:var(--text-400);}
.nav-search input:hover{border-color:var(--line-strong);}
.nav-search input:focus{border-color:var(--brand-500);box-shadow:0 0 0 3px rgba(34,115,216,.12);outline:none;}
.nav-toggle{
  display:none;
  width:42px;height:42px;
  border-radius:10px;
  border:1px solid var(--line);
  background:#fff;color:var(--text-900);
  align-items:center;justify-content:center;
}
.nav-toggle:hover{background:var(--brand-50);color:var(--brand-600);}

/* ---------- 面包屑 ---------- */
.crumb{
  display:flex;align-items:center;gap:8px;
  font-size:13.5px;color:var(--text-600);
  margin-bottom:20px;flex-wrap:wrap;
}
.crumb .sep{color:var(--text-400);}
.crumb .current{color:var(--text-600);}
.crumb a{color:var(--brand-600);}
.crumb a:hover{color:var(--brand-500);}

/* ---------- 内页首屏 ---------- */
.page-hero{
  position:relative;
  overflow:hidden;
  background:linear-gradient(180deg,#F5F7FA 0%,#EDF3FC 100%);
  border-bottom:1px solid var(--line);
  padding:56px 0 64px;
}
.page-hero::before{
  content:"";
  position:absolute;inset:0;
  background-image:linear-gradient(rgba(15,63,134,.03) 1px,transparent 1px),linear-gradient(90deg,rgba(15,63,134,.03) 1px,transparent 1px);
  background-size:44px 44px;
  pointer-events:none;
}
.page-hero .rl-container{position:relative;z-index:1;}
.hero-title{
  font-size:clamp(30px,4.2vw,46px);
  font-weight:700;
  line-height:1.25;
  letter-spacing:-.01em;
}
.hero-lead{
  margin-top:18px;
  font-size:16.5px;
  color:var(--text-600);
  max-width:660px;
}
.hero-lead strong{color:var(--brand-600);font-weight:600;}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:28px;}
.hero-tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:24px;}
.hero-figure{
  position:relative;
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  overflow:hidden;
  background:#fff;
  box-shadow:var(--shadow-1);
}
.hero-figure img{width:100%;height:100%;aspect-ratio:16/10;object-fit:cover;}
.hero-figure .float-badge{
  position:absolute;top:14px;right:14px;
  background:rgba(255,255,255,.94);
  display:inline-flex;align-items:center;gap:6px;
  height:28px;padding:0 12px;border-radius:var(--radius-pill);
  font-size:12.5px;font-weight:600;color:#1E8177;
  border:1px solid rgba(42,167,155,.35);
}

/* ---------- 锚点胶囊条 ---------- */
.anchor-bar{
  position:sticky;
  top:68px;
  z-index:40;
  background:rgba(255,255,255,.96);
  backdrop-filter:blur(8px);
  border-bottom:1px solid var(--line);
}
.anchor-scroll{
  display:flex;gap:10px;overflow-x:auto;
  padding:12px 0;
  scrollbar-width:none;-ms-overflow-style:none;
}
.anchor-scroll::-webkit-scrollbar{display:none;}
.anchor-scroll a{
  flex:0 0 auto;
  font-size:14px;font-weight:500;
  color:var(--text-600);
  padding:8px 16px;
  border-radius:var(--radius-pill);
  border:1px solid var(--line);
  background:#fff;
}
.anchor-scroll a:hover{background:var(--brand-50);color:var(--brand-600);border-color:var(--brand-200);}
.anchor-scroll a.is-current{background:var(--brand-500);border-color:var(--brand-500);color:#fff;}

/* ---------- 板块 ---------- */
.section{padding:96px 0;}
.section-alt{background:var(--bg-alt);}
.section-head{margin-bottom:40px;max-width:820px;}
.eyebrow{
  display:inline-flex;align-items:center;gap:10px;
  font-size:13px;font-weight:600;color:var(--brand-600);letter-spacing:.04em;
  margin-bottom:14px;
}
.eyebrow::before{
  content:"";
  width:30px;height:2px;
  background-image:repeating-linear-gradient(90deg,var(--brand-500) 0 6px,transparent 6px 12px);
}
.section-head h2{font-size:clamp(22px,2.6vw,30px);}
.section-head p{margin-top:14px;color:var(--text-600);max-width:760px;font-size:15.5px;}

/* ---------- 对比卡 ---------- */
.compare-wrap{position:relative;}
.compare-grid{
  display:grid;
  grid-template-columns:repeat(2,minmax(0,1fr));
  gap:24px;
}
.compare-col{
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  box-shadow:var(--shadow-1);
  overflow:hidden;
  transition:box-shadow .22s var(--ease),transform .22s var(--ease);
}
.compare-col:hover{transform:translateY(-2px);box-shadow:var(--shadow-2);}
.compare-col.is-focus{border:1.5px solid var(--brand-500);}
.compare-head{
  display:flex;align-items:center;justify-content:space-between;gap:12px;
  padding:20px 24px;
  border-bottom:1px solid var(--line);
}
.compare-head h3{font-size:18px;font-weight:600;}
.compare-head .sub{display:block;font-size:13.5px;color:var(--text-600);font-weight:400;margin-top:4px;}
.compare-vs{
  position:absolute;left:50%;top:50%;
  transform:translate(-50%,-50%);
  width:50px;height:50px;border-radius:50%;
  background:#fff;border:1px solid var(--line);
  display:flex;align-items:center;justify-content:center;
  font-size:13px;font-weight:700;color:var(--brand-600);
  box-shadow:var(--shadow-1);
  z-index:2;
}
.spec-row{
  display:grid;
  grid-template-columns:96px minmax(0,1fr);
  gap:14px;
  padding:14px 24px;
  border-bottom:1px solid var(--line);
  font-size:14.5px;
}
.spec-row:last-child{border-bottom:0;}
.spec-row:nth-child(odd){background:var(--bg-alt);}
.spec-row dt{color:var(--text-600);font-size:13.5px;font-weight:600;}
.spec-row dd{color:var(--text-900);}

/* ---------- 规格对照信息行 ---------- */
.spec-table{
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  overflow:hidden;
  box-shadow:var(--shadow-1);
}
.spec-head{
  display:grid;
  grid-template-columns:210px minmax(0,1fr) minmax(0,1fr);
  gap:24px;
  padding:16px 26px;
  background:var(--brand-50);
  border-bottom:1px solid var(--line);
  font-size:13.5px;
  font-weight:600;
  color:var(--brand-600);
}
.spec-item{
  display:grid;
  grid-template-columns:210px minmax(0,1fr) minmax(0,1fr);
  gap:24px;
  padding:22px 26px;
  border-bottom:1px solid var(--line);
  align-items:start;
}
.spec-item:last-child{border-bottom:0;}
.spec-item:nth-child(even){background:var(--bg-alt);}
.spec-item h3{font-size:16px;font-weight:600;}
.spec-item h3 span{display:block;font-size:13px;font-weight:400;color:var(--text-600);margin-top:6px;}
.spec-cell{font-size:14.5px;color:var(--text-600);line-height:1.75;}
.spec-cell .mlabel{display:none;font-size:12.5px;font-weight:600;color:var(--brand-600);margin-bottom:4px;}
.spec-cell strong{color:var(--text-900);font-weight:600;}

/* ---------- 清单面板 ---------- */
.list-panel{
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  padding:6px 26px;
  box-shadow:var(--shadow-1);
}
.list-item{
  display:flex;gap:14px;
  padding:20px 0;
  border-bottom:1px solid var(--line);
}
.list-item:last-child{border-bottom:0;}
.list-item .li-icon{
  flex:0 0 auto;width:26px;height:26px;border-radius:8px;
  display:flex;align-items:center;justify-content:center;
  background:rgba(42,167,155,.13);color:#1E8177;
  font-size:12.5px;margin-top:5px;
}
.list-item h3{font-size:16px;font-weight:600;}
.list-item p{font-size:14px;color:var(--text-600);margin-top:6px;line-height:1.75;}

/* ---------- 横向步骤条 ---------- */
.step-strip{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px;}
.step-card{
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  padding:24px;
  box-shadow:var(--shadow-1);
  transition:transform .22s var(--ease),box-shadow .22s var(--ease);
}
.step-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-2);}
.step-num{
  width:38px;height:38px;border-radius:12px;
  display:flex;align-items:center;justify-content:center;
  background:var(--brand-50);color:var(--brand-600);
  font-weight:700;font-size:15px;
  font-variant-numeric:tabular-nums;
  margin-bottom:16px;
}
.step-card h3{font-size:17px;font-weight:600;}
.step-card p{font-size:14.5px;color:var(--text-600);margin-top:10px;}

/* ---------- FAQ ---------- */
.faq{
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  overflow:hidden;
  max-width:920px;
  box-shadow:var(--shadow-1);
}
.faq-item{border-bottom:1px solid var(--line);}
.faq-item:last-child{border-bottom:0;}
.faq-q{
  width:100%;
  display:flex;align-items:flex-start;gap:14px;
  padding:20px 24px;
  background:transparent;border:0;text-align:left;
  font-size:16.5px;font-weight:600;color:var(--text-900);
  line-height:1.6;
  transition:background-color .18s var(--ease);
}
.faq-q:hover{background:var(--brand-50);}
.faq-q .idx{flex:0 0 auto;color:var(--brand-500);font-size:14px;font-weight:700;font-variant-numeric:tabular-nums;padding-top:3px;}
.faq-q .sign{
  flex:0 0 auto;margin-left:auto;
  width:24px;height:24px;border-radius:50%;
  display:flex;align-items:center;justify-content:center;
  color:var(--brand-600);font-size:12px;
  border:1px solid var(--brand-200);
  transition:transform .24s var(--ease),background-color .24s var(--ease);
}
.faq-item.is-open .faq-q{background:var(--brand-50);}
.faq-item.is-open .sign{transform:rotate(135deg);background:var(--brand-500);border-color:var(--brand-500);color:#fff;}
.faq-a{max-height:0;overflow:hidden;transition:max-height .26s var(--ease);}
.faq-a-inner{padding:0 24px 22px 62px;font-size:15px;color:var(--text-600);line-height:1.85;}

/* ---------- 资讯卡 ---------- */
.news-head{
  display:flex;align-items:flex-end;justify-content:space-between;gap:20px;
  margin-bottom:40px;flex-wrap:wrap;
}
.news-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px;}
.news-card{
  position:relative;
  display:flex;flex-direction:column;
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  overflow:hidden;
  box-shadow:var(--shadow-1);
  transition:transform .22s var(--ease),box-shadow .22s var(--ease);
}
.news-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-2);}
.news-thumb{overflow:hidden;aspect-ratio:4/3;border-bottom:1px solid var(--line);}
.news-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .3s var(--ease);}
.news-card:hover .news-thumb img{transform:scale(1.02);}
.news-body{padding:20px 22px 0;}
.news-body h3{font-size:18px;font-weight:600;line-height:1.45;}
.news-body h3 a{color:var(--text-900);}
.news-body h3 a::after{content:"";position:absolute;inset:0;}
.news-body h3 a:hover{color:var(--brand-600);}
.news-body p{
  margin-top:10px;font-size:14.5px;color:var(--text-600);
  display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;
}
.news-foot{
  margin-top:auto;
  padding:16px 22px 20px;
  display:flex;align-items:center;justify-content:space-between;gap:12px;
  font-size:13px;color:var(--text-400);
}
.news-foot .time{font-variant-numeric:tabular-nums;}

/* ---------- 空态 ---------- */
.empty-state{
  background:#fff;border:1px dashed var(--line-strong);border-radius:var(--radius-card);
  padding:44px 24px;text-align:center;
}
.empty-state .ei{font-size:26px;color:var(--brand-200);margin-bottom:14px;}
.empty-state h3{font-size:17px;}
.empty-state p{font-size:14.5px;color:var(--text-600);margin-top:8px;}
.empty-state .btn{margin-top:18px;}

/* ---------- 结尾 CTA ---------- */
.cta-band{
  background:var(--brand-50);
  border-top:1px solid var(--line);
  padding:72px 0;
  text-align:center;
}
.cta-band h2{font-size:clamp(22px,2.6vw,30px);}
.cta-band p{margin-top:14px;color:var(--text-600);max-width:680px;margin-left:auto;margin-right:auto;font-size:15.5px;}
.cta-band .cta-actions{margin-top:28px;display:flex;gap:14px;justify-content:center;flex-wrap:wrap;}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--brand-700);color:#fff;padding:64px 0 0;}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.3fr;gap:40px;}
.site-footer .brand-text{color:#fff;}
.site-footer .brand-mark{background:rgba(255,255,255,.14);}
.footer-brand p{margin-top:16px;font-size:14px;color:rgba(255,255,255,.72);max-width:340px;line-height:1.8;}
.footer-col h4{font-size:15px;font-weight:600;color:#fff;margin-bottom:16px;}
.footer-col ul li{margin-bottom:10px;}
.footer-col a{font-size:14px;color:rgba(255,255,255,.75);}
.footer-col a:hover{color:var(--brand-200);}
.footer-col p{font-size:14px;color:rgba(255,255,255,.72);}
.footer-bottom{
  margin-top:48px;
  padding:20px 0;
  border-top:1px solid rgba(255,255,255,.16);
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13px;color:rgba(255,255,255,.6);
}

/* ---------- 响应式 ---------- */
@media (max-width:1199px){
  .main-nav{gap:18px;}
  .main-nav a{font-size:14.5px;}
  .nav-search input{width:180px;}
}
@media (max-width:1023px){
  .rl-container{padding:0 24px;}
  .grid-x{margin-left:-8px;margin-right:-8px;}
  .grid-x>.cell{padding-left:8px;padding-right:8px;}
  .section{padding:72px 0;}
  .news-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .compare-grid{grid-template-columns:1fr;}
  .compare-vs{display:none;}
  .step-strip{grid-template-columns:1fr;}
  .spec-head{display:none;}
  .spec-item{grid-template-columns:1fr;gap:14px;padding:20px 22px;}
  .spec-item:nth-child(even){background:var(--bg-alt);}
  .spec-cell .mlabel{display:block;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
  .page-hero{padding:44px 0 52px;}
}
@media (max-width:900px){
  .main-nav{
    position:fixed;
    top:68px;left:0;right:0;
    display:none;
    flex-direction:column;
    align-items:stretch;
    gap:0;
    padding:8px 20px 18px;
    background:#fff;
    border-bottom:1px solid var(--line);
    box-shadow:0 20px 34px -24px rgba(16,38,72,.55);
    max-height:calc(100vh - 68px);
    overflow-y:auto;
  }
  .main-nav.is-open{display:flex;}
  .main-nav a{padding:12px 6px;border-radius:10px;font-size:15.5px;}
  .main-nav a::after{display:none;}
  .main-nav a.is-active{background:var(--brand-50);color:var(--brand-600);}
  .drawer-search{display:block;margin-top:10px;}
  .drawer-search input{
    width:100%;height:44px;padding:0 14px 0 36px;
    border:1px solid var(--line);border-radius:var(--radius-btn);
    font-size:14.5px;color:var(--text-900);background:#fff;
  }
  .drawer-search{position:relative;}
  .drawer-search .sicon{position:absolute;left:13px;top:50%;transform:translateY(-50%);color:var(--text-400);font-size:13px;}
  .header-actions .nav-search{display:none;}
  .nav-toggle{display:inline-flex;}
  .anchor-bar{top:68px;}
}
@media (max-width:639px){
  body{font-size:15.5px;}
  .rl-container{padding:0 20px;}
  .section{padding:56px 0;}
  .section-head{margin-bottom:28px;}
  .news-grid{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr;gap:28px;}
  .hero-actions .btn{width:100%;}
  .header-actions .btn-secondary{display:none;}
  .cta-band{padding:56px 0;}
  .list-panel{padding:4px 20px;}
  .faq-a-inner{padding:0 20px 20px 52px;}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{transition:none!important;animation:none!important;}
  html{scroll-behavior:auto;}
  .compare-col:hover,.news-card:hover,.step-card:hover{transform:none;}
}

/* roulang page: category4 */
:root{
  --brand-700:#0F3F86;
  --brand-600:#1758B0;
  --brand-500:#2273D8;
  --brand-200:#BBD4F4;
  --brand-50:#EDF3FC;
  --accent-500:#F2762E;
  --accent-600:#E2691F;
  --tone-safe:#2AA79B;
  --tone-warn:#E0A32E;
  --bg-page:#F5F7FA;
  --bg-alt:#EDF2F8;
  --surface:#FFFFFF;
  --line:#E3E9F1;
  --line-strong:#CFDAE7;
  --text-900:#17202B;
  --text-600:#5B6B7C;
  --text-400:#8B9AAB;
  --radius-card:14px;
  --radius-img:12px;
  --radius-input:10px;
  --shadow-1:0 1px 2px rgba(16,38,72,.04), 0 8px 24px -14px rgba(16,38,72,.14);
  --shadow-2:0 2px 4px rgba(16,38,72,.06), 0 16px 36px -18px rgba(16,38,72,.22);
  --container:1200px;
  --header-h:68px;
}

*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  margin:0;
  background:var(--bg-page);
  color:var(--text-900);
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16px;
  line-height:1.8;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0}
a{color:var(--brand-500);text-decoration:none;transition:color .2s ease-out,background-color .2s ease-out}
a:hover{color:var(--brand-600)}
button{font-family:inherit}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4{margin:0;color:var(--text-900)}
p{margin:0}
:focus-visible{outline:2px solid var(--brand-500);outline-offset:2px}

.rl-container{
  width:100%;
  max-width:var(--container);
  margin:0 auto;
  padding:0 32px;
}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  height:46px;
  padding:0 22px;
  border-radius:var(--radius-input);
  border:1.5px solid transparent;
  font-size:15px;
  font-weight:600;
  line-height:1;
  cursor:pointer;
  white-space:nowrap;
  transition:transform .2s ease-out,background-color .2s ease-out,color .2s ease-out,border-color .2s ease-out,box-shadow .2s ease-out;
}
.btn-primary{background:var(--accent-500);color:#fff}
.btn-primary:hover{background:var(--accent-600);color:#fff;transform:translateY(-1px);box-shadow:0 12px 24px -14px rgba(242,118,46,.75)}
.btn-primary:active{transform:translateY(1px)}
.btn-secondary{background:#fff;border-color:var(--brand-500);color:var(--brand-600)}
.btn-secondary:hover{background:var(--brand-50);color:var(--brand-700)}
.btn-secondary:active{transform:translateY(1px)}
.btn-ghost{background:transparent;color:var(--brand-600);padding:0 6px;height:42px}
.btn-ghost:hover{color:var(--brand-700)}
.btn-sm{height:40px;padding:0 16px;font-size:14px}
.btn-block{width:100%}

/* ============ 顶部导航 ============ */
.site-header{
  position:sticky;
  top:0;
  z-index:80;
  background:rgba(255,255,255,.94);
  backdrop-filter:blur(10px);
  border-bottom:1px solid transparent;
  transition:border-color .2s ease-out,box-shadow .2s ease-out;
}
.site-header.is-scrolled{
  border-bottom-color:var(--line);
  box-shadow:0 10px 26px -22px rgba(16,38,72,.45);
}
.site-header .rl-container{position:relative}
.header-inner{
  display:flex;
  align-items:center;
  gap:24px;
  height:var(--header-h);
}
.brand{
  display:inline-flex;
  align-items:center;
  gap:10px;
  color:var(--text-900);
  font-size:18px;
  font-weight:700;
  letter-spacing:-.01em;
  flex:0 0 auto;
}
.brand:hover{color:var(--brand-700)}
.brand-mark{
  width:34px;height:34px;
  border-radius:10px;
  background:linear-gradient(135deg,var(--brand-500),var(--brand-700));
  color:#fff;
  display:grid;
  place-items:center;
  font-size:15px;
  flex:0 0 auto;
}
.brand-text{white-space:nowrap}

.main-nav{
  display:flex;
  align-items:center;
  gap:28px;
  flex:1 1 auto;
  justify-content:center;
}
.main-nav a{
  position:relative;
  font-size:15px;
  font-weight:500;
  color:var(--text-600);
  padding:9px 0;
  white-space:nowrap;
}
.main-nav a:hover{color:var(--brand-600);background:var(--brand-50)}
.main-nav a.is-active{color:var(--brand-600)}
.main-nav a.is-active::after{
  content:"";
  position:absolute;
  left:0;right:0;bottom:0;
  height:2px;
  border-radius:2px;
  background:var(--brand-500);
}

.header-actions{display:flex;align-items:center;gap:12px;flex:0 0 auto}
.nav-search{
  display:flex;
  align-items:center;
  gap:8px;
  width:220px;
  height:40px;
  padding:0 12px;
  background:var(--bg-alt);
  border:1px solid var(--line);
  border-radius:var(--radius-input);
  transition:border-color .2s ease-out,box-shadow .2s ease-out,background-color .2s ease-out;
}
.nav-search:focus-within{
  background:#fff;
  border-color:var(--brand-500);
  box-shadow:0 0 0 3px rgba(34,115,216,.08);
}
.nav-search .sicon{color:var(--text-400);font-size:13px}
.nav-search input{
  width:100%;
  height:100%;
  border:0;
  background:transparent;
  font-size:14px;
  color:var(--text-900);
  outline:none;
}
.nav-search input::placeholder{color:var(--text-400)}

.nav-toggle{
  display:none;
  width:40px;height:40px;
  border-radius:var(--radius-input);
  border:1px solid var(--line);
  background:#fff;
  color:var(--text-900);
  font-size:16px;
  place-items:center;
  cursor:pointer;
}
.nav-toggle:hover{background:var(--brand-50);color:var(--brand-600)}

/* 移动端抽屉 */
.mobile-panel{display:none}
.mobile-nav{display:flex;flex-direction:column}
.mobile-nav a{
  padding:14px 4px;
  font-size:15px;
  font-weight:500;
  color:var(--text-600);
  border-bottom:1px solid var(--line);
}
.mobile-nav a.is-active{color:var(--brand-600);font-weight:600}
.mobile-actions{display:flex;gap:12px;margin-top:18px}
.mobile-actions .btn{flex:1 1 0}
.mobile-panel .nav-search{width:100%;margin-bottom:16px}

/* ============ 分类页首屏 ============ */
.cat-hero{
  position:relative;
  overflow:hidden;
  background:linear-gradient(180deg,#F5F7FA 0%,#EDF3FC 100%);
  border-bottom:1px solid var(--line);
  padding:56px 0 52px;
}
.cat-hero::before{
  content:"";
  position:absolute;
  inset:0;
  background-image:
    linear-gradient(rgba(34,115,216,.05) 1px,transparent 1px),
    linear-gradient(90deg,rgba(34,115,216,.05) 1px,transparent 1px);
  background-size:48px 48px;
  pointer-events:none;
}
.cat-hero .rl-container{position:relative;z-index:1}

.breadcrumb{
  display:flex;
  align-items:center;
  flex-wrap:wrap;
  gap:8px;
  font-size:13px;
  color:var(--text-600);
  margin-bottom:18px;
}
.breadcrumb a{color:var(--text-600)}
.breadcrumb a:hover{color:var(--brand-600)}
.breadcrumb .sep{color:var(--line-strong)}
.breadcrumb .current{color:var(--text-400)}

.hero-copy{padding-right:16px}
.eyebrow{
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-size:13px;
  font-weight:600;
  color:var(--brand-600);
  background:var(--brand-50);
  border:1px solid var(--brand-200);
  border-radius:999px;
  padding:5px 14px;
  margin-bottom:16px;
}
.eyebrow::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--brand-500)}
.cat-hero h1{
  font-size:clamp(30px,4.2vw,46px);
  font-weight:700;
  line-height:1.25;
  letter-spacing:-.01em;
  margin-bottom:18px;
}
.cat-hero .hero-desc{
  color:var(--text-600);
  font-size:16px;
  line-height:1.85;
  max-width:620px;
  margin-bottom:8px;
}
.hero-actions{display:flex;gap:14px;flex-wrap:wrap;margin-top:26px}

.hero-media{
  border:1px solid var(--line);
  border-radius:var(--radius-img);
  overflow:hidden;
  background:#fff;
  box-shadow:var(--shadow-1);
}
.hero-media img{
  width:100%;
  aspect-ratio:16/9;
  object-fit:cover;
}

/* ============ 页内锚点条 ============ */
.anchor-bar{
  position:sticky;
  top:var(--header-h);
  z-index:70;
  background:rgba(255,255,255,.96);
  backdrop-filter:blur(8px);
  border-bottom:1px solid var(--line);
}
.anchor-inner{
  display:flex;
  gap:10px;
  overflow-x:auto;
  padding:10px 32px;
  scrollbar-width:none;
}
.anchor-inner::-webkit-scrollbar{display:none}
.anchor-inner a{
  padding:7px 16px;
  border-radius:999px;
  font-size:14px;
  font-weight:500;
  color:var(--text-600);
  background:var(--bg-alt);
  white-space:nowrap;
  transition:background-color .2s ease-out,color .2s ease-out;
}
.anchor-inner a:hover{background:var(--brand-50);color:var(--brand-600)}
.anchor-inner a.is-active{background:var(--brand-500);color:#fff}

/* ============ 板块 ============ */
.section{padding:96px 0}
.section-alt{background:var(--bg-alt)}
.section[id]{scroll-margin-top:150px}
.sec-head{max-width:760px;margin-bottom:38px}
.sec-tag{
  display:inline-flex;
  align-items:center;
  gap:10px;
  font-size:13px;
  font-weight:600;
  color:var(--brand-600);
  letter-spacing:.03em;
  margin-bottom:12px;
}
.sec-tag::before{
  content:"";
  width:7px;height:7px;
  border-radius:50%;
  background:var(--brand-500);
  box-shadow:0 0 0 4px rgba(34,115,216,.12);
}
.sec-head h2{
  font-size:clamp(22px,2.6vw,30px);
  font-weight:700;
  line-height:1.3;
  margin-bottom:14px;
}
.sec-desc{color:var(--text-600);font-size:16px;line-height:1.8}
.sec-head-row{
  display:flex;
  align-items:flex-end;
  justify-content:space-between;
  gap:24px;
  flex-wrap:wrap;
  margin-bottom:38px;
}
.sec-head-row .sec-head{margin-bottom:0}

/* ============ 资料卡网格 ============ */
.card-grid > .cell{margin-bottom:24px}
.doc-card{
  display:flex;
  flex-direction:column;
  gap:12px;
  height:100%;
  padding:24px;
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  box-shadow:var(--shadow-1);
  transition:transform .2s ease-out,box-shadow .2s ease-out,border-color .2s ease-out;
}
.doc-card:hover{
  transform:translateY(-2px);
  box-shadow:var(--shadow-2);
  border-color:var(--line-strong);
}
.doc-icon{
  width:44px;height:44px;
  border-radius:12px;
  background:var(--brand-50);
  color:var(--brand-600);
  display:grid;
  place-items:center;
  font-size:18px;
  flex:0 0 auto;
}
.doc-card h3{font-size:18px;font-weight:600;line-height:1.4}
.doc-card p{color:var(--text-600);font-size:14.5px;line-height:1.78}
.doc-tag{
  align-self:flex-start;
  margin-top:auto;
  font-size:12px;
  font-weight:500;
  padding:4px 12px;
  border-radius:999px;
  background:var(--brand-50);
  color:var(--brand-600);
}

/* ============ 查阅清单 ============ */
.check-panel{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  padding:28px;
  box-shadow:var(--shadow-1);
}
.check-panel .panel-label{
  font-size:13px;
  font-weight:600;
  color:var(--brand-600);
  margin-bottom:10px;
  display:block;
}
.check-panel h3{font-size:20px;font-weight:600;margin-bottom:12px}
.check-panel p{color:var(--text-600);font-size:15px;line-height:1.8}
.check-panel .btn{margin-top:22px}

.check-list{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-card);overflow:hidden;box-shadow:var(--shadow-1)}
.check-item{
  display:flex;
  gap:16px;
  padding:20px 24px;
  border-bottom:1px solid var(--line);
  transition:background-color .2s ease-out;
}
.check-item:last-child{border-bottom:0}
.check-item:hover{background:var(--brand-50)}
.check-item .cicon{
  width:26px;height:26px;
  border-radius:50%;
  background:rgba(42,167,155,.12);
  color:var(--tone-safe);
  display:grid;
  place-items:center;
  font-size:12px;
  margin-top:4px;
  flex:0 0 auto;
}
.check-item h3{font-size:16px;font-weight:600;margin-bottom:4px}
.check-item p{color:var(--text-600);font-size:14px;line-height:1.75}

/* ============ FAQ ============ */
.faq-wrap{max-width:860px;margin:0 auto}
.faq-item{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  margin-bottom:14px;
  overflow:hidden;
  box-shadow:var(--shadow-1);
  transition:border-color .2s ease-out,box-shadow .2s ease-out;
}
.faq-item.is-open{border-color:var(--brand-200);box-shadow:var(--shadow-2)}
.faq-q{
  display:flex;
  align-items:center;
  gap:14px;
  width:100%;
  padding:20px 24px;
  background:transparent;
  border:0;
  text-align:left;
  font-size:16.5px;
  font-weight:600;
  color:var(--text-900);
  cursor:pointer;
  transition:background-color .2s ease-out;
}
.faq-q:hover{background:var(--brand-50)}
.faq-idx{
  color:var(--brand-500);
  font-size:15px;
  font-variant-numeric:tabular-nums;
  flex:0 0 auto;
}
.faq-q-text{flex:1 1 auto}
.faq-mark{
  flex:0 0 auto;
  width:22px;height:22px;
  display:grid;
  place-items:center;
  color:var(--brand-500);
  font-size:13px;
  transition:transform .22s ease-out;
}
.faq-item.is-open .faq-mark{transform:rotate(45deg)}
.faq-a{
  display:none;
  padding:0 24px 22px 62px;
  color:var(--text-600);
  font-size:15px;
  line-height:1.8;
}
.faq-item.is-open .faq-a{display:block}

/* ============ 资讯卡 ============ */
.news-card{
  display:flex;
  flex-direction:column;
  height:100%;
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  overflow:hidden;
  box-shadow:var(--shadow-1);
  transition:transform .2s ease-out,box-shadow .2s ease-out;
}
.news-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-2)}
.news-thumb{
  overflow:hidden;
  border-bottom:1px solid var(--line);
  background:var(--bg-alt);
}
.news-thumb img{
  width:100%;
  aspect-ratio:16/10;
  object-fit:cover;
  transition:transform .35s ease-out;
}
.news-card:hover .news-thumb img{transform:scale(1.02)}
.news-body{
  display:flex;
  flex-direction:column;
  gap:10px;
  flex:1 1 auto;
  padding:20px;
}
.news-body h3{font-size:17px;font-weight:600;line-height:1.5}
.news-body h3 a{color:var(--text-900)}
.news-body h3 a:hover{color:var(--brand-600)}
.news-body .summary{
  color:var(--text-600);
  font-size:14px;
  line-height:1.75;
  display:-webkit-box;
  -webkit-line-clamp:3;
  -webkit-box-orient:vertical;
  overflow:hidden;
}
.news-meta{
  margin-top:auto;
  display:flex;
  align-items:center;
  gap:10px;
  font-size:13px;
  color:var(--text-400);
  padding-top:8px;
}
.badge{
  display:inline-flex;
  align-items:center;
  font-size:12px;
  font-weight:500;
  padding:3px 11px;
  border-radius:999px;
  background:var(--brand-50);
  color:var(--brand-600);
}
.badge-safe{background:rgba(42,167,155,.12);color:#1E8A80}

/* ============ 空态 ============ */
.empty-state{
  text-align:center;
  padding:48px 24px;
  background:var(--surface);
  border:1px dashed var(--line-strong);
  border-radius:var(--radius-card);
}
.empty-state .eicon{
  width:52px;height:52px;
  margin:0 auto 16px;
  border-radius:50%;
  background:var(--brand-50);
  color:var(--brand-500);
  display:grid;
  place-items:center;
  font-size:20px;
}
.empty-state h3{font-size:17px;font-weight:600;margin-bottom:8px}
.empty-state p{color:var(--text-600);font-size:14px;margin-bottom:18px}

/* ============ 结尾 CTA ============ */
.cta-band{
  background:var(--brand-50);
  border-top:1px solid var(--line);
  padding:76px 0;
  text-align:center;
}
.cta-band h2{
  font-size:clamp(22px,2.6vw,30px);
  font-weight:700;
  margin-bottom:14px;
}
.cta-band p{
  color:var(--text-600);
  font-size:16px;
  max-width:640px;
  margin:0 auto;
}
.cta-actions{
  display:flex;
  gap:14px;
  justify-content:center;
  flex-wrap:wrap;
  margin-top:28px;
}

/* ============ 浮动 CTA ============ */
.float-cta{
  position:fixed;
  right:24px;
  bottom:24px;
  z-index:75;
  display:inline-flex;
  align-items:center;
  gap:10px;
  height:52px;
  padding:0 22px;
  border-radius:999px;
  background:var(--accent-500);
  color:#fff;
  font-size:15px;
  font-weight:600;
  box-shadow:0 16px 32px -16px rgba(242,118,46,.75);
  opacity:0;
  visibility:hidden;
  transform:translateY(8px);
  transition:opacity .22s ease-out,transform .22s ease-out,visibility .22s ease-out,background-color .2s ease-out;
}
.float-cta:hover{background:var(--accent-600);color:#fff}
.float-cta.is-show{opacity:1;visibility:visible;transform:translateY(0)}
.float-cta.is-hidden{opacity:0;visibility:hidden}

/* ============ 页脚 ============ */
.site-footer{
  background:var(--brand-700);
  color:#fff;
  padding:64px 0 0;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.6fr 1fr 1fr 1.4fr;
  gap:40px;
  padding-bottom:44px;
}
.footer-brand .brand{color:#fff;font-size:17px}
.footer-brand .brand:hover{color:#fff}
.footer-brand .brand-mark{background:rgba(255,255,255,.14)}
.footer-brand p{
  margin-top:16px;
  color:rgba(255,255,255,.72);
  font-size:14px;
  line-height:1.8;
  max-width:330px;
}
.footer-col h4{
  font-size:15px;
  font-weight:600;
  color:#fff;
  margin-bottom:16px;
}
.footer-col ul{display:flex;flex-direction:column;gap:10px}
.footer-col a{color:rgba(255,255,255,.75);font-size:14px}
.footer-col a:hover{color:var(--brand-200)}
.footer-col p{color:rgba(255,255,255,.72);font-size:14px;line-height:1.8}
.footer-bottom{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:12px;
  flex-wrap:wrap;
  padding:20px 0;
  border-top:1px solid rgba(255,255,255,.14);
  font-size:13px;
  color:rgba(255,255,255,.6);
}

/* ============ 响应式 ============ */
@media (max-width:1023px){
  .rl-container{padding:0 24px}
  .anchor-inner{padding:10px 24px}
  .main-nav{display:none}
  .nav-search,.header-actions .btn{display:none}
  .nav-toggle{display:grid}
  .mobile-panel{
    display:none;
    position:absolute;
    top:100%;
    left:0;
    right:0;
    background:#fff;
    padding:16px 24px 22px;
    border-bottom:1px solid var(--line);
    box-shadow:0 20px 34px -24px rgba(16,38,72,.4);
    max-height:calc(100vh - var(--header-h));
    overflow-y:auto;
  }
  .site-header.is-open .mobile-panel{display:block}
  .section{padding:72px 0}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
}

@media (max-width:639px){
  body{font-size:15.5px}
  .rl-container{padding:0 20px}
  .anchor-inner{padding:10px 20px}
  .header-inner{height:60px;gap:12px}
  :root{--header-h:60px}
  .anchor-bar{top:60px}
  .brand{font-size:16px}
  .brand-mark{width:30px;height:30px;border-radius:9px;font-size:13px}
  .section{padding:52px 0}
  .section[id]{scroll-margin-top:130px}
  .cat-hero{padding:36px 0 40px}
  .hero-copy{padding-right:0;margin-bottom:28px}
  .hero-actions .btn{width:100%}
  .doc-card{padding:20px}
  .check-panel{padding:22px}
  .faq-q{padding:18px 18px;font-size:15.5px}
  .faq-a{padding:0 18px 20px 48px;font-size:14.5px}
  .cta-band{padding:56px 0}
  .cta-actions .btn{width:100%}
  .footer-grid{grid-template-columns:1fr;gap:28px;padding-bottom:32px}
  .site-footer{padding:48px 0 0}
  .float-cta{
    right:auto;
    left:20px;
    bottom:16px;
    width:calc(100% - 40px);
    height:48px;
    justify-content:center;
  }
}

@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{
    transition:none !important;
    animation:none !important;
    scroll-behavior:auto !important;
  }
  .doc-card:hover,.news-card:hover{transform:none}
  .float-cta{transform:none}
}