/* roulang page: index */
:root{
  --c-brand-900:#0F2E4A;
  --c-brand-700:#17456B;
  --c-brand-600:#1D5A8C;
  --c-brand-500:#2470AD;
  --c-brand-100:#E6EFF7;
  --c-brand-50:#F4F8FC;
  --c-accent-500:#E0A028;
  --c-accent-100:#FBF1DD;
  --c-ink:#101B28;
  --c-body:#4A5A6B;
  --c-muted:#8496A6;
  --c-line:#E2E9F1;
  --c-bg:#F6F9FC;
  --c-surface:#FFFFFF;
  --c-ok:#2E9C74;
  --c-warn:#D08A1E;
  --c-danger:#C0463A;
  --r-lg:18px;
  --r-sm:14px;
  --r-btn:12px;
  --r-input:10px;
  --r-pill:999px;
  --sh-1:0 2px 8px rgba(16,27,40,.04);
  --sh-2:0 10px 28px -14px rgba(16,45,72,.18);
  --sh-3:0 22px 48px -20px rgba(16,45,72,.28);
  --font-cn:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei","Noto Sans SC","Source Han Sans SC","Hiragino Sans GB",sans-serif;
}
*,*::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:1.88;
  color:var(--c-body);
  background:var(--c-bg);
  -webkit-font-smoothing:antialiased;
  -moz-osx-font-smoothing:grayscale;
}
img{max-width:100%;height:auto;display:block;border-style:none;}
a{color:var(--c-brand-500);text-decoration:none;transition:color .2s ease;}
a:hover{color:var(--c-brand-600);text-decoration:none;}
button,input,select,textarea{font-family:inherit;font-size:inherit;}
h1,h2,h3,h4,p,ul,ol{margin:0;padding:0;}
ul,ol{list-style:none;}
h1,h2,h3,h4{color:var(--c-ink);font-weight:700;line-height:1.42;letter-spacing:-.01em;}
p{margin:0 0 20px;}
p:last-child{margin-bottom:0;}
::selection{background:rgba(36,112,173,.18);}

.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px;}
.section{padding:100px 0;}
.section--tight{padding:76px 0;}
.section--plain{background:var(--c-surface);}
.section--soft{background:var(--c-brand-50);}

.sec-head{max-width:760px;margin-bottom:48px;}
.sec-head--center{margin-left:auto;margin-right:auto;text-align:center;}
.sec-head h2{font-size:clamp(24px,3vw,34px);margin-bottom:14px;}
.sec-head p{font-size:16px;color:var(--c-body);margin:0;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:600;color:var(--c-brand-600);
  background:var(--c-brand-100);border-radius:var(--r-pill);
  padding:5px 14px;margin-bottom:16px;letter-spacing:.02em;
}
.eyebrow i{font-size:11px;}

/* ------- 按钮 ------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 26px;border-radius:var(--r-btn);
  font-size:15px;font-weight:600;border:1px solid transparent;
  cursor:pointer;transition:all .2s cubic-bezier(.2,.7,.3,1);
  text-align:center;white-space:nowrap;
}
.btn-primary{background:var(--c-brand-500);color:#fff;box-shadow:0 10px 22px -12px rgba(36,112,173,.9);}
.btn-primary:hover,.btn-primary:focus{background:#1F63A0;color:#fff;transform:translateY(-1px);}
.btn-primary:active{transform:translateY(0);box-shadow:0 4px 12px -8px rgba(36,112,173,.9);}
.btn-ghost{background:transparent;border-color:rgba(36,112,173,.4);color:var(--c-brand-600);}
.btn-ghost:hover,.btn-ghost:focus{background:var(--c-brand-100);border-color:rgba(36,112,173,.6);color:var(--c-brand-700);}
.btn-ghost i{transition:transform .2s ease;}
.btn-ghost:hover i{transform:translateX(4px);}
.btn:focus-visible{outline:3px solid rgba(36,112,173,.28);outline-offset:2px;}
.btn[disabled],.btn.is-disabled{opacity:.6;cursor:not-allowed;transform:none;}
.btn-block{width:100%;}
.link-more{display:inline-flex;align-items:center;gap:7px;font-size:14px;font-weight:600;color:var(--c-brand-500);}
.link-more i{transition:transform .2s ease;}
.link-more:hover i{transform:translateX(4px);}

/* ------- 徽章 / 标签 ------- */
.badge{
  display:inline-flex;align-items:center;gap:6px;
  font-size:13px;font-weight:500;color:var(--c-brand-600);
  background:var(--c-brand-100);border-radius:var(--r-pill);
  padding:4px 12px;line-height:1.6;
}
.badge--accent{background:var(--c-accent-100);color:#9A6A11;}
.badge--ok{background:rgba(46,156,116,.12);color:var(--c-ok);}
.badge--line{background:transparent;border:1px solid var(--c-line);color:var(--c-muted);}

/* ------- 导航 Dock ------- */
.dock-shell{position:sticky;top:0;z-index:80;padding:18px 16px 0;}
.dock{
  max-width:1160px;margin:0 auto;height:68px;
  display:flex;align-items:center;gap:14px;
  padding:0 12px 0 20px;border-radius:var(--r-pill);
  background:rgba(255,255,255,.88);
  -webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);
  border:1px solid rgba(15,46,74,.08);
  box-shadow:var(--sh-2);
  transition:height .2s cubic-bezier(.2,.7,.3,1),box-shadow .2s ease;
}
.dock.is-compact{height:58px;box-shadow:var(--sh-3);}
.logo{display:inline-flex;align-items:center;gap:10px;font-size:17px;font-weight:700;color:var(--c-ink);letter-spacing:-.01em;flex:0 0 auto;}
.logo:hover{color:var(--c-ink);}
.logo-mark{width:28px;height:28px;flex:0 0 28px;}
.dock-menu{display:flex;align-items:center;gap:2px;flex:1 1 auto;justify-content:center;}
.dock-menu a{
  position:relative;display:inline-flex;align-items:center;height:40px;
  padding:0 16px;border-radius:var(--r-pill);
  font-size:14.5px;font-weight:500;color:var(--c-ink);
  transition:background .2s ease,color .2s ease;
}
.dock-menu a:hover{background:var(--c-brand-100);color:var(--c-brand-500);}
.dock-menu a.is-active{color:var(--c-brand-500);}
.dock-menu a.is-active::after{
  content:"";position:absolute;left:50%;bottom:3px;transform:translateX(-50%);
  width:5px;height:5px;border-radius:50%;background:var(--c-accent-500);
}
.dock-actions{display:flex;align-items:center;gap:10px;flex:0 0 auto;}
.icon-btn{
  width:40px;height:40px;border-radius:50%;
  display:inline-flex;align-items:center;justify-content:center;
  border:1px solid var(--c-line);background:#fff;color:var(--c-brand-600);
  cursor:pointer;transition:all .2s ease;
}
.icon-btn:hover{background:var(--c-brand-100);border-color:rgba(36,112,173,.35);}
.dock-cta{height:40px;padding:0 20px;font-size:14px;border-radius:var(--r-pill);}
.dock-burger{display:none;}
.nav-mask{position:fixed;inset:0;background:rgba(15,46,74,.28);opacity:0;visibility:hidden;transition:opacity .2s ease,visibility .2s ease;z-index:70;}
.nav-mask.is-open{opacity:1;visibility:visible;}
.mobile-panel{
  position:fixed;left:16px;right:16px;top:98px;z-index:90;
  background:#fff;border-radius:20px;box-shadow:var(--sh-3);
  padding:10px;opacity:0;visibility:hidden;transform:translateY(-8px);
  transition:all .2s cubic-bezier(.2,.7,.3,1);
}
.mobile-panel.is-open{opacity:1;visibility:visible;transform:translateY(0);}
.mobile-panel a{
  display:flex;align-items:center;height:44px;padding:0 16px;
  font-size:15px;font-weight:500;color:var(--c-ink);border-radius:12px;
}
.mobile-panel a + a{border-top:1px solid var(--c-line);border-radius:0 0 12px 12px;}
.mobile-panel a.is-active{color:var(--c-brand-500);background:var(--c-brand-50);}
.mobile-panel .mp-cta{margin-top:8px;padding:8px;}
.mobile-panel .mp-cta a{border:0;height:48px;justify-content:center;background:var(--c-brand-500);color:#fff;border-radius:12px;}

/* ------- Hero ------- */
.hero{position:relative;overflow:hidden;padding:60px 0 88px;background:var(--c-bg);}
.hero::before{
  content:"";position:absolute;inset:0;pointer-events:none;
  background:radial-gradient(58% 68% at 10% 0%,rgba(36,112,173,.08),transparent 68%);
}
.hero-grid{position:relative;align-items:center;}
.hero h1{
  font-size:clamp(30px,4.4vw,50px);
  line-height:1.28;margin:18px 0 20px;max-width:15em;
}
.hero-sub{font-size:17px;line-height:1.9;color:var(--c-body);max-width:33em;margin-bottom:32px;}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:30px;}
.trust-row{display:flex;flex-wrap:wrap;gap:22px;}
.trust-item{display:inline-flex;align-items:center;gap:8px;font-size:13px;color:var(--c-muted);}
.trust-item i{color:var(--c-brand-500);font-size:13px;}
.hero-visual{position:relative;}
.hero-figure{
  position:relative;border-radius:20px;overflow:hidden;
  box-shadow:var(--sh-2);aspect-ratio:4/3;background:#EEF3F8;
}
.hero-figure img{width:100%;height:100%;object-fit:cover;}
.hero-float{
  position:absolute;left:-14px;bottom:24px;
  background:#fff;border-radius:14px;box-shadow:var(--sh-3);
  padding:16px 20px;min-width:186px;
}
.hero-float strong{display:block;font-size:26px;font-weight:700;color:var(--c-brand-500);line-height:1.2;font-variant-numeric:tabular-nums;}
.hero-float span{display:block;font-size:13px;color:var(--c-muted);margin-top:4px;}

/* ------- 指标看板 ------- */
.kpi-card{
  background:var(--c-surface);border:1px solid var(--c-line);
  border-radius:var(--r-lg);box-shadow:var(--sh-2);
  padding:24px;height:100%;
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.kpi-card::before{
  content:"";display:block;width:40px;height:3px;border-radius:var(--r-pill);
  background:var(--c-accent-500);margin-bottom:18px;transition:background .2s ease;
}
.kpi-card:hover{transform:translateY(-3px);box-shadow:var(--sh-3);}
.kpi-card:hover::before{background:var(--c-brand-500);}
.kpi-num{
  font-size:clamp(34px,4vw,52px);font-weight:700;color:var(--c-brand-500);
  line-height:1.1;font-variant-numeric:tabular-nums;letter-spacing:-.02em;
}
.kpi-num em{font-size:14px;font-style:normal;font-weight:500;color:var(--c-muted);margin-left:6px;}
.kpi-label{margin-top:12px;font-size:13.5px;color:var(--c-body);line-height:1.7;}

/* ------- 服务矩阵 ------- */
.matrix-card{
  position:relative;background:var(--c-surface);border:1px solid var(--c-line);
  border-radius:var(--r-lg);box-shadow:var(--sh-2);overflow:hidden;height:100%;
  display:flex;flex-direction:column;
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.matrix-card:hover{transform:translateY(-3px);box-shadow:var(--sh-3);border-color:rgba(36,112,173,.3);}
.matrix-card:hover .matrix-arrow{transform:translateX(4px);}
.matrix-card:hover .matrix-icon{background:var(--c-brand-500);color:#fff;border-color:var(--c-brand-500);}
.matrix-media{aspect-ratio:16/10;background:#EEF3F8;overflow:hidden;}
.matrix-media img{width:100%;height:100%;object-fit:cover;transition:transform .3s ease;}
.matrix-card:hover .matrix-media img{transform:scale(1.03);}
.matrix-body{padding:26px;display:flex;flex-direction:column;flex:1 1 auto;}
.matrix-body h3{font-size:20px;margin-bottom:12px;}
.matrix-body p{font-size:14.5px;color:var(--c-body);line-height:1.85;}
.matrix-points{margin:16px 0 0;display:flex;flex-direction:column;gap:9px;}
.matrix-points li{position:relative;padding-left:20px;font-size:14px;color:var(--c-body);}
.matrix-points li::before{
  content:"";position:absolute;left:0;top:9px;width:7px;height:7px;
  border-radius:2px;background:var(--c-brand-500);
}
.matrix-arrow{margin-top:auto;padding-top:20px;display:inline-flex;align-items:center;gap:7px;font-size:14px;font-weight:600;color:var(--c-brand-500);transition:transform .2s ease;}
.matrix-num{
  font-size:14px;font-weight:700;color:rgba(36,112,173,.42);
  letter-spacing:.08em;margin-bottom:12px;font-variant-numeric:tabular-nums;
}
.matrix-num--cn{font-size:15px;letter-spacing:.16em;}
.matrix-icon{
  width:44px;height:44px;border-radius:12px;display:inline-flex;align-items:center;justify-content:center;
  background:var(--c-brand-100);color:var(--c-brand-600);border:1px solid transparent;
  font-size:17px;margin-bottom:16px;transition:all .2s ease;
}
.matrix-sm{padding:24px;}
.matrix-sm h3{font-size:17.5px;margin-bottom:8px;}
.matrix-sm p{font-size:14px;line-height:1.8;color:var(--c-body);margin:0;}

/* ------- 合作流程 ------- */
.step-card{
  position:relative;background:var(--c-surface);border:1px solid var(--c-line);
  border-radius:var(--r-lg);box-shadow:var(--sh-2);padding:26px;height:100%;
  transition:transform .2s ease,box-shadow .2s ease;
}
.step-card:hover{transform:translateY(-3px);box-shadow:var(--sh-3);}
.step-num{
  font-size:15px;font-weight:700;color:rgba(36,112,173,.4);
  letter-spacing:.1em;font-variant-numeric:tabular-nums;margin-bottom:14px;
}
.step-card h3{font-size:17.5px;margin-bottom:10px;}
.step-card p{font-size:14px;color:var(--c-body);margin:0;line-height:1.8;}

/* ------- 结果对比 ------- */
.compare-wrap{position:relative;}
.compare-divider{
  position:absolute;left:50%;top:16px;bottom:16px;width:1px;
  background:var(--c-line);transform:translateX(-50%);
}
.compare-dot{
  position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);
  width:44px;height:44px;border-radius:50%;background:#fff;
  border:1px solid var(--c-line);box-shadow:var(--sh-1);
  display:inline-flex;align-items:center;justify-content:center;
  font-size:12px;font-weight:700;color:var(--c-brand-600);letter-spacing:.04em;
}
.compare-col{border-radius:var(--r-lg);padding:30px;height:100%;}
.compare-col--before{background:var(--c-bg);border:1px solid var(--c-line);}
.compare-col--after{background:#fff;border:1px solid rgba(36,112,173,.35);box-shadow:var(--sh-2);}
.compare-head{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:22px;}
.compare-head h3{font-size:18px;}
.compare-col--before .compare-head h3{color:var(--c-muted);font-weight:600;}
.compare-row{margin-bottom:22px;}
.compare-row:last-child{margin-bottom:0;}
.compare-row dt{font-size:15px;font-weight:600;color:var(--c-ink);margin-bottom:4px;}
.compare-col--before .compare-row dt{color:var(--c-body);font-weight:500;}
.compare-row dd{font-size:12.5px;color:var(--c-muted);margin:0 0 10px;}
.bar{height:8px;border-radius:var(--r-pill);background:var(--c-brand-100);overflow:hidden;}
.bar span{display:block;height:100%;border-radius:var(--r-pill);background:var(--c-brand-500);}
.compare-col--before .bar{background:#E8EEF4;}
.compare-col--before .bar span{background:#B9C8D6;}

/* ------- 资讯列表 ------- */
.sec-head--split{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;max-width:none;margin-bottom:40px;}
.sec-head--split h2{margin-bottom:6px;}
.news-card{
  display:flex;flex-direction:column;height:100%;
  background:var(--c-surface);border:1px solid var(--c-line);
  border-radius:var(--r-lg);box-shadow:var(--sh-2);overflow:hidden;
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.news-card:hover{transform:translateY(-3px);box-shadow:var(--sh-3);border-color:rgba(36,112,173,.3);}
.news-card:hover .news-title{color:var(--c-brand-500);}
.news-card:hover .news-media img{transform:scale(1.03);}
.news-media{position:relative;aspect-ratio:16/10;background:#EEF3F8;overflow:hidden;}
.news-media img{width:100%;height:100%;object-fit:cover;transition:transform .3s ease;}
.news-media .badge{position:absolute;left:14px;top:14px;background:rgba(255,255,255,.94);}
.news-body{padding:22px 24px 24px;display:flex;flex-direction:column;flex:1 1 auto;}
.news-title{
  font-size:16.5px;font-weight:600;color:var(--c-ink);line-height:1.55;
  margin-bottom:10px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
  transition:color .2s ease;
}
.news-desc{
  font-size:13.5px;color:var(--c-body);line-height:1.8;margin:0 0 18px;
  display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;
}
.news-meta{
  margin-top:auto;display:flex;align-items:center;justify-content:space-between;
  font-size:13px;color:var(--c-muted);padding-top:14px;border-top:1px solid var(--c-line);
}
.news-meta i{color:var(--c-brand-500);}
.empty-state{
  min-height:240px;border:1px dashed var(--c-line);border-radius:var(--r-lg);
  background:var(--c-surface);display:flex;flex-direction:column;
  align-items:center;justify-content:center;gap:12px;padding:48px 24px;text-align:center;
}
.empty-state i{font-size:44px;color:#C7D6E4;}
.empty-state strong{font-size:16px;color:var(--c-ink);font-weight:600;}
.empty-state span{font-size:13px;color:var(--c-muted);}

/* ------- 客户评价 ------- */
.quote-card{
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-lg);
  box-shadow:var(--sh-2);padding:28px;height:100%;display:flex;flex-direction:column;
  transition:transform .2s ease,box-shadow .2s ease;
}
.quote-card:hover{transform:translateY(-3px);box-shadow:var(--sh-3);}
.quote-mark{font-size:26px;color:rgba(36,112,173,.28);margin-bottom:14px;}
.quote-card p{font-size:14.8px;line-height:1.9;color:var(--c-body);margin-bottom:22px;}
.quote-foot{margin-top:auto;display:flex;align-items:center;gap:12px;padding-top:18px;border-top:1px solid var(--c-line);}
.quote-avatar{
  width:42px;height:42px;border-radius:50%;background:var(--c-brand-100);
  color:var(--c-brand-600);display:inline-flex;align-items:center;justify-content:center;
  font-weight:700;font-size:14px;flex:0 0 42px;
}
.quote-foot strong{display:block;font-size:14.5px;color:var(--c-ink);font-weight:600;}
.quote-foot span{display:block;font-size:12.5px;color:var(--c-muted);}

/* ------- FAQ ------- */
.accordion.custom-acc{background:transparent;border:0;margin:0;}
.custom-acc .accordion-item{
  background:#fff;border:1px solid var(--c-line);border-radius:var(--r-sm);
  box-shadow:var(--sh-1);margin-bottom:12px;overflow:hidden;
  transition:box-shadow .2s ease,border-color .2s ease;
}
.custom-acc .accordion-item:hover{border-color:rgba(36,112,173,.25);}
.custom-acc .accordion-item.is-active{box-shadow:var(--sh-2);border-color:rgba(36,112,173,.25);}
.custom-acc .accordion-title{
  background:transparent;border:0;color:var(--c-ink);
  font-size:16.5px;font-weight:600;line-height:1.6;
  padding:20px 58px 20px 24px;position:relative;
}
.custom-acc .accordion-item.is-active .accordion-title{
  color:var(--c-brand-600);box-shadow:inset 3px 0 0 0 var(--c-accent-500);
}
.custom-acc .accordion-title::before{
  content:"\f067";font-family:"Font Awesome 6 Free";font-weight:900;
  position:absolute;right:24px;top:24px;margin:0;border:0;
  font-size:13px;color:var(--c-brand-500);width:auto;height:auto;
  transform:none;transition:transform .2s ease;
}
.custom-acc .accordion-item.is-active .accordion-title::before{transform:rotate(45deg);}
.custom-acc .accordion-content{
  border:0;background:transparent;color:var(--c-body);
  font-size:15px;line-height:1.88;padding:0 26px 22px;
}

/* ------- 表单 ------- */
.contact-list{display:flex;flex-direction:column;gap:14px;margin-top:24px;}
.contact-list li{display:flex;align-items:flex-start;gap:12px;font-size:14.5px;color:var(--c-body);}
.contact-list i{
  flex:0 0 22px;width:22px;height:22px;border-radius:50%;
  background:var(--c-brand-100);color:var(--c-brand-600);
  display:inline-flex;align-items:center;justify-content:center;font-size:10px;margin-top:6px;
}
.form-card{
  background:var(--c-surface);border:1px solid var(--c-line);
  border-radius:var(--r-lg);box-shadow:var(--sh-2);padding:28px;
}
.form-card h3{font-size:19px;margin-bottom:6px;}
.form-card .form-note{font-size:13px;color:var(--c-muted);margin-bottom:22px;}
.field{margin-bottom:18px;}
.field label{display:block;font-size:14px;font-weight:600;color:var(--c-ink);margin-bottom:8px;}
.field input[type="text"],
.field input[type="tel"],
.field input[type="email"],
.field select,
.field textarea{
  width:100%;height:46px;padding:0 14px;border-radius:var(--r-input);
  border:1px solid var(--c-line);background:#fff;color:var(--c-ink);
  font-size:15px;outline:none;transition:border-color .2s ease,box-shadow .2s ease;
}
.field textarea{height:auto;min-height:118px;padding:12px 14px;line-height:1.8;resize:vertical;}
.field select{appearance:none;-webkit-appearance:none;
  background-image:url("data:image/svg+xml;charset=utf8,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16'%3E%3Cpath fill='%238496A6' d='M8 11.2 2.8 6l1.1-1.1L8 9l4.1-4.1L13.2 6z'/%3E%3C/svg%3E");
  background-repeat:no-repeat;background-position:right 14px center;background-size:16px;padding-right:40px;
}
.field input:focus,.field select:focus,.field textarea:focus{
  border-color:var(--c-brand-500);box-shadow:0 0 0 3px rgba(36,112,173,.18);
}
.field input::placeholder,.field textarea::placeholder{color:#A9B8C6;}
.field.has-error input,.field.has-error select,.field.has-error textarea{border-color:var(--c-danger);}
.field .err-msg{display:none;font-size:12.5px;color:var(--c-danger);margin-top:6px;}
.field.has-error .err-msg{display:block;}
.form-foot{font-size:12.5px;color:var(--c-muted);margin-top:14px;text-align:center;}

/* ------- 页脚 ------- */
.site-foot{background:var(--c-brand-900);color:rgba(255,255,255,.78);margin-top:96px;padding:64px 0 0;}
.site-foot a{color:rgba(255,255,255,.78);}
.site-foot a:hover{color:#fff;transform:translateX(-2px);}
.foot-brand{display:inline-flex;align-items:center;gap:10px;font-size:17px;font-weight:700;color:#fff;letter-spacing:-.01em;margin-bottom:18px;}
.foot-brand svg{width:28px;height:28px;}
.foot-desc{font-size:14px;line-height:1.9;color:rgba(255,255,255,.66);max-width:30em;margin-bottom:18px;}
.foot-contact{font-size:13.5px;color:rgba(255,255,255,.62);line-height:2;}
.foot-contact b{color:rgba(255,255,255,.9);font-weight:600;}
.foot-title{font-size:14px;font-weight:600;color:#fff;margin-bottom:18px;letter-spacing:.02em;}
.foot-links{display:flex;flex-direction:column;gap:12px;}
.foot-links a{font-size:13.8px;transition:color .2s ease,transform .2s ease;display:inline-block;}
.foot-bottom{
  margin-top:56px;padding:22px 0;border-top:1px solid rgba(255,255,255,.12);
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:10px;
  font-size:12.8px;color:rgba(255,255,255,.55);
}
.foot-bottom span{line-height:1.8;}

/* ------- 响应式 ------- */
@media screen and (max-width:1023px){
  .section{padding:72px 0;}
  .dock-menu{display:none;}
  .dock-burger{display:inline-flex;}
  .dock{padding:0 12px;}
  .hero{padding:44px 0 64px;}
  .hero-visual{margin-top:40px;}
  .compare-divider{display:none;}
  .compare-col{margin-bottom:20px;}
  .site-foot{margin-top:64px;padding-top:52px;}
}
@media screen and (max-width:767px){
  .container{padding:0 20px;}
  .section{padding:56px 0;}
  body{font-size:15.5px;line-height:1.86;}
  .hero h1{font-size:clamp(26px,7vw,34px);}
  .hero-sub{font-size:15.5px;}
  .hero-actions{gap:12px;}
  .hero-actions .btn{width:100%;}
  .trust-row{gap:14px;}
  .sec-head{margin-bottom:32px;}
  .sec-head--split{flex-direction:column;align-items:flex-start;gap:14px;}
  .dock-cta{display:none;}
  .hero-float{left:12px;bottom:12px;padding:12px 16px;min-width:0;}
  .hero-float strong{font-size:22px;}
  .form-card{padding:22px;}
  .compare-col{padding:22px;}
  .foot-bottom{flex-direction:column;align-items:flex-start;}
}
@media screen and (max-width:400px){
  .container{padding:0 16px;}
  .dock-shell{padding:12px 10px 0;}
  .logo{font-size:15.5px;}
  .logo-mark{width:24px;height:24px;flex:0 0 24px;}
}

/* roulang page: article */
:root{
  --c-brand-900:#0F2E4A;
  --c-brand-700:#17456B;
  --c-brand-600:#1D5A8C;
  --c-brand-500:#2470AD;
  --c-brand-100:#E6EFF7;
  --c-brand-50:#F4F8FC;
  --c-accent-500:#E0A028;
  --c-accent-100:#FBF1DD;
  --c-ink:#101B28;
  --c-body:#4A5A6B;
  --c-muted:#8496A6;
  --c-line:#E2E9F1;
  --c-bg:#F6F9FC;
  --c-surface:#FFFFFF;
  --c-ok:#2E9C74;
  --c-warn:#D08A1E;
  --c-danger:#C0463A;
  --r-lg:18px;
  --r-md:14px;
  --r-btn:12px;
  --r-input:10px;
  --sh-1:0 2px 8px rgba(16,27,40,.04);
  --sh-2:0 10px 28px -14px rgba(16,45,72,.18);
  --sh-3:0 22px 48px -20px rgba(16,45,72,.28);
  --font-base:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei","Noto Sans SC","Source Han Sans SC",sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  background:var(--c-bg);
  color:var(--c-body);
  font-family:var(--font-base);
  font-size:16px;
  line-height:1.88;
  overflow-x:hidden;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0}
a{color:var(--c-brand-500);text-decoration:none;transition:color .2s ease}
a:hover{color:var(--c-brand-700)}
h1,h2,h3,h4{margin:0;color:var(--c-ink);font-weight:700;line-height:1.4}
p{margin:0 0 20px}
ul,ol{margin:0 0 20px}
button{font:inherit;cursor:pointer}
:focus-visible{outline:3px solid rgba(36,112,173,.28);outline-offset:2px;border-radius:6px}
.grid-container{width:100%;max-width:1200px;margin:0 auto;padding-left:24px;padding-right:24px}
.grid-margin-x{margin-left:-12px;margin-right:-12px}
.grid-margin-x>.cell{padding-left:12px;padding-right:12px}
.grid-margin-y{margin-top:-16px}
.grid-margin-y>.cell{padding-top:16px;padding-bottom:16px}

/* ---------- Dock 导航 ---------- */
.dock{
  position:sticky;
  top:18px;
  z-index:60;
  width:calc(100% - 32px);
  max-width:1160px;
  margin:18px auto 0;
  padding:0 12px 0 20px;
  height:68px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  background:rgba(255,255,255,.88);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  border:1px solid rgba(15,46,74,.08);
  border-radius:999px;
  box-shadow:var(--sh-2);
  transition:height .2s cubic-bezier(.2,.7,.3,1),box-shadow .2s cubic-bezier(.2,.7,.3,1);
}
.dock.is-scrolled{height:58px;box-shadow:var(--sh-3)}
.dock .logo{display:flex;align-items:center;gap:10px;font-size:17px;font-weight:700;letter-spacing:-.01em;color:var(--c-ink);white-space:nowrap}
.dock .logo svg{width:28px;height:28px;flex:0 0 28px}
.dock-menu{display:flex;align-items:center;gap:4px}
.dock-menu a{
  position:relative;
  display:inline-flex;
  align-items:center;
  height:40px;
  padding:0 16px;
  border-radius:999px;
  font-size:15px;
  font-weight:500;
  color:var(--c-body);
  transition:background .2s ease,color .2s ease;
}
.dock-menu a:hover{background:var(--c-brand-50);color:var(--c-brand-500)}
.dock-menu a.is-active{background:var(--c-brand-50);color:var(--c-brand-500)}
.dock-menu a.is-active::after{
  content:"";
  position:absolute;
  left:50%;
  bottom:4px;
  width:4px;height:4px;
  margin-left:-2px;
  border-radius:50%;
  background:var(--c-accent-500);
}
.dock-actions{display:flex;align-items:center;gap:10px}
.icon-btn{
  width:40px;height:40px;
  display:inline-flex;align-items:center;justify-content:center;
  border-radius:999px;
  border:1px solid var(--c-line);
  background:var(--c-surface);
  color:var(--c-brand-600);
  font-size:15px;
  transition:border-color .2s ease,color .2s ease,background .2s ease,transform .2s ease;
}
.icon-btn:hover{border-color:rgba(36,112,173,.35);color:var(--c-brand-500);background:var(--c-brand-50)}
.icon-btn:active{transform:translateY(1px)}
.dock-burger{display:none}
.mobile-panel{display:none}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:44px;
  padding:0 22px;
  border-radius:var(--r-btn);
  border:1px solid transparent;
  font-size:14px;
  font-weight:600;
  line-height:1;
  cursor:pointer;
  transition:background .2s ease,color .2s ease,border-color .2s ease,transform .2s ease,box-shadow .2s ease;
  white-space:nowrap;
}
.btn-primary{background:var(--c-brand-500);color:#fff;box-shadow:0 8px 20px -12px rgba(36,112,173,.75)}
.btn-primary:hover{background:#1F639A;color:#fff;transform:translateY(-1px)}
.btn-primary:active{transform:translateY(0)}
.btn-outline{background:transparent;color:var(--c-brand-500);border-color:rgba(36,112,173,.45)}
.btn-outline:hover{background:var(--c-brand-50);color:var(--c-brand-700);border-color:var(--c-brand-500)}
.btn-ghost{background:var(--c-surface);color:var(--c-brand-600);border-color:var(--c-line)}
.btn-ghost:hover{background:var(--c-brand-50);color:var(--c-brand-500)}
.btn .fa-arrow-right{transition:transform .2s ease}
.btn:hover .fa-arrow-right{transform:translateX(4px)}
.btn:disabled,.btn[disabled]{opacity:.6;cursor:not-allowed;transform:none}
.dock-cta{height:40px;min-height:40px;padding:0 18px}

/* ---------- 徽章 ---------- */
.badge{
  display:inline-flex;align-items:center;gap:6px;
  padding:4px 10px;
  border-radius:999px;
  background:var(--c-brand-100);
  color:var(--c-brand-500);
  font-size:13px;
  font-weight:500;
  line-height:1.6;
}
.badge-accent{background:var(--c-accent-100);color:var(--c-warn)}
.badge-ok{background:rgba(46,156,116,.12);color:var(--c-ok)}

/* ---------- 页首 ---------- */
.page-head{
  position:relative;
  margin-top:24px;
  padding:54px 0 46px;
  background-image:linear-gradient(96deg,#F4F8FC 0%,rgba(244,248,252,.92) 52%,rgba(244,248,252,.6) 100%),url('/assets/images/backpic/back-1.png');
  background-size:cover;
  background-position:center right;
  border-bottom:1px solid var(--c-line);
}
.crumb{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--c-muted);margin-bottom:20px;flex-wrap:wrap}
.crumb a{color:var(--c-muted)}
.crumb a:hover{color:var(--c-brand-500)}
.crumb .sep{color:#C3D0DC}
.crumb .now{max-width:520px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;color:var(--c-body)}
.page-head h1{
  font-size:clamp(24px,3vw,34px);
  line-height:1.35;
  letter-spacing:-.01em;
  margin:14px 0 18px;
  max-width:860px;
  word-break:break-word;
}
.post-meta{display:flex;align-items:center;gap:10px;flex-wrap:wrap;font-size:13px;color:var(--c-muted)}
.post-meta .dot{color:#C3D0DC}
.post-tools{display:flex;gap:10px;margin-top:22px}

/* ---------- 文章布局 ---------- */
.article-section{padding:56px 0 24px}
.article-card{
  background:var(--c-surface);
  border:1px solid var(--c-line);
  border-radius:var(--r-lg);
  box-shadow:var(--sh-2);
  padding:34px 36px 30px;
}
.article-figure{margin:0 0 26px}
.article-figure img{width:100%;aspect-ratio:16/9;object-fit:cover;border-radius:var(--r-lg)}
.article-figure figcaption{font-size:13px;color:var(--c-muted);text-align:center;margin-top:10px}

.article-body{word-break:break-word;font-size:16.5px;line-height:1.9;color:var(--c-body)}
.article-body p{margin:0 0 22px}
.article-body h2{
  position:relative;
  font-size:22px;
  line-height:1.45;
  margin:44px 0 16px;
  padding-left:16px;
}
.article-body h2::before{
  content:"";
  position:absolute;left:0;top:.34em;bottom:.34em;width:4px;
  border-radius:2px;background:var(--c-accent-500);
}
.article-body h3{font-size:18px;font-weight:600;margin:32px 0 12px}
.article-body h4{font-size:16.5px;font-weight:600;margin:26px 0 10px;color:var(--c-brand-700)}
.article-body strong{color:var(--c-brand-700);font-weight:600}
.article-body a{color:var(--c-brand-500);text-decoration:underline;text-underline-offset:3px}
.article-body a:hover{color:var(--c-brand-700)}
.article-body ul{list-style:none;padding-left:22px;margin:0 0 22px}
.article-body ul>li{position:relative;margin-bottom:10px}
.article-body ul>li::before{
  content:"";position:absolute;left:-16px;top:.78em;
  width:6px;height:6px;border-radius:2px;background:var(--c-brand-500);
}
.article-body ol{padding-left:24px;margin:0 0 22px}
.article-body ol>li{margin-bottom:10px}
.article-body ol>li::marker{color:var(--c-brand-500);font-weight:600}
.article-body blockquote{
  margin:26px 0;padding:18px 22px;
  background:var(--c-brand-50);
  border-left:4px solid var(--c-brand-500);
  border-radius:0 var(--r-md) var(--r-md) 0;
  color:var(--c-brand-700);
}
.article-body blockquote p:last-child{margin-bottom:0}
.article-body img{border-radius:12px;margin:24px auto}
.article-body figure{margin:26px 0}
.article-body figcaption{font-size:13px;color:var(--c-muted);text-align:center;margin-top:10px}
.article-body table{width:100%;border-collapse:collapse;font-size:14.5px;margin:24px 0}
.article-body table th{background:var(--c-brand-50);color:var(--c-brand-700);font-weight:600;text-align:left}
.article-body table th,.article-body table td{border:1px solid var(--c-line);padding:12px 14px}
.article-body code{background:#EEF3F8;border-radius:6px;padding:2px 6px;font-size:14px;color:var(--c-brand-700)}
.article-body pre{background:#0F2E4A;color:#EDF3F9;padding:18px 20px;border-radius:12px;overflow-x:auto;font-size:14px}
.article-body pre code{background:none;color:inherit;padding:0}
.article-body hr{border:0;border-top:1px solid var(--c-line);margin:36px 0}

.tag-row{display:flex;flex-wrap:wrap;gap:10px;margin-top:34px;padding-top:24px;border-top:1px solid var(--c-line)}
.article-foot{display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;margin-top:26px}
.article-foot .note{font-size:13px;color:var(--c-muted)}

/* 空态 */
.empty-state{
  min-height:240px;
  display:flex;flex-direction:column;align-items:center;justify-content:center;
  gap:12px;text-align:center;padding:40px 20px;
}
.empty-state svg{width:48px;height:48px;color:#C3D0DC}
.empty-state .empty-title{font-size:18px;font-weight:600;color:var(--c-ink);margin:0}
.empty-state .empty-sub{font-size:13px;color:var(--c-muted);margin:0}

/* ---------- 侧栏 ---------- */
.article-side{position:sticky;top:96px;display:grid;gap:20px}
.side-card{
  background:var(--c-surface);
  border:1px solid var(--c-line);
  border-radius:var(--r-lg);
  box-shadow:var(--sh-2);
  padding:24px;
}
.side-title{font-size:16px;font-weight:600;color:var(--c-ink);margin:0 0 14px;padding-left:12px;position:relative}
.side-title::before{content:"";position:absolute;left:0;top:.35em;bottom:.35em;width:3px;border-radius:2px;background:var(--c-accent-500)}
.side-list{list-style:none;margin:0;padding:0;display:grid;gap:12px}
.side-list li{display:flex;gap:10px;align-items:flex-start;font-size:14.5px;color:var(--c-body)}
.side-list i{color:var(--c-brand-500);font-size:13px;margin-top:6px}
.side-links{display:grid;gap:2px}
.side-links a{
  display:flex;align-items:center;justify-content:space-between;
  min-height:44px;padding:0 4px;
  font-size:14.5px;color:var(--c-body);
  border-bottom:1px solid var(--c-line);
}
.side-links a:last-child{border-bottom:0}
.side-links a:hover{color:var(--c-brand-500)}
.side-links i{font-size:12px;color:var(--c-muted)}
.side-cta{margin-top:14px;width:100%}

/* ---------- 推荐卡 ---------- */
.related{padding:48px 0 8px}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:16px;margin-bottom:28px;flex-wrap:wrap}
.section-head h2{font-size:clamp(22px,2.4vw,28px);line-height:1.35}
.section-head p{margin:6px 0 0;font-size:14px;color:var(--c-muted)}
.section-head .more{font-size:14px;font-weight:600;color:var(--c-brand-500)}
.section-head .more:hover{text-decoration:underline}
.card-grid{display:grid;gap:24px;grid-template-columns:repeat(3,1fr)}
.media-card{
  display:flex;flex-direction:column;
  background:var(--c-surface);
  border:1px solid var(--c-line);
  border-radius:var(--r-lg);
  box-shadow:var(--sh-2);
  overflow:hidden;
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.media-card:hover{transform:translateY(-3px);box-shadow:var(--sh-3);border-color:rgba(36,112,173,.3)}
.media-thumb{position:relative;overflow:hidden}
.media-thumb img{width:100%;aspect-ratio:16/10;object-fit:cover;transition:transform .2s ease}
.media-card:hover .media-thumb img{transform:scale(1.03)}
.media-thumb .badge{position:absolute;left:14px;top:14px;background:rgba(255,255,255,.92);color:var(--c-brand-500)}
.media-body{padding:22px 24px 24px;display:flex;flex-direction:column;flex:1}
.media-body h3{font-size:16.5px;font-weight:600;line-height:1.55;margin-bottom:10px}
.media-card:hover .media-body h3{color:var(--c-brand-500)}
.media-body p{font-size:14px;color:var(--c-body);margin:0 0 18px;display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}
.media-foot{margin-top:auto;display:flex;align-items:center;justify-content:space-between;font-size:13px;color:var(--c-muted)}
.media-foot i{color:var(--c-brand-500);transition:transform .2s ease}
.media-card:hover .media-foot i{transform:translateX(4px)}

/* ---------- FAQ ---------- */
.faq{padding:64px 0 8px}
.faq-list{display:grid;gap:12px;max-width:880px}
.faq-item{
  background:var(--c-surface);
  border:1px solid var(--c-line);
  border-radius:var(--r-md);
  box-shadow:var(--sh-1);
  transition:box-shadow .2s ease,border-color .2s ease;
}
.faq-item[open]{box-shadow:var(--sh-2);border-color:rgba(36,112,173,.28)}
.faq-item summary{
  list-style:none;cursor:pointer;
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:18px 22px;
  font-size:16.5px;font-weight:600;color:var(--c-ink);
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary .mark{
  position:relative;flex:0 0 18px;width:18px;height:18px;color:var(--c-brand-500);
  transition:transform .2s ease;
}
.faq-item summary .mark::before,
.faq-item summary .mark::after{
  content:"";position:absolute;left:50%;top:50%;background:currentColor;border-radius:2px;
}
.faq-item summary .mark::before{width:14px;height:2px;transform:translate(-50%,-50%)}
.faq-item summary .mark::after{width:2px;height:14px;transform:translate(-50%,-50%)}
.faq-item[open] summary .mark{transform:rotate(90deg)}
.faq-item[open] summary .mark::after{opacity:0}
.faq-item .faq-answer{
  position:relative;
  padding:0 22px 20px 22px;
  font-size:15px;line-height:1.85;color:var(--c-body);
}
.faq-item .faq-answer::before{
  content:"";position:absolute;left:0;top:4px;bottom:18px;width:3px;background:var(--c-accent-500);border-radius:2px;
}
.faq-item .faq-answer p:last-child{margin-bottom:0}

/* ---------- CTA ---------- */
.cta-band{padding:72px 0 8px}
.cta-inner{
  display:flex;align-items:center;justify-content:space-between;gap:28px;flex-wrap:wrap;
  background:var(--c-brand-900);
  border-radius:var(--r-lg);
  padding:40px 44px;
  box-shadow:var(--sh-3);
}
.cta-inner h2{color:#fff;font-size:clamp(22px,2.4vw,28px);line-height:1.4}
.cta-inner p{color:rgba(255,255,255,.78);margin:10px 0 0;font-size:15px;max-width:560px}
.cta-inner .btn-primary{background:var(--c-accent-500);color:#22160A;box-shadow:none}
.cta-inner .btn-primary:hover{background:#CF9120;color:#22160A}
.cta-actions{display:flex;gap:12px;flex-wrap:wrap}
.cta-inner .btn-outline-light{background:transparent;color:#fff;border-color:rgba(255,255,255,.45)}
.cta-inner .btn-outline-light:hover{background:rgba(255,255,255,.12);color:#fff;border-color:#fff}

/* ---------- 页脚 ---------- */
.site-foot{
  margin-top:96px;
  background:var(--c-brand-900);
  color:rgba(255,255,255,.78);
  padding:64px 0 28px;
}
.site-foot a{color:rgba(255,255,255,.78)}
.site-foot a:hover{color:#fff;transform:translateX(-2px)}
.foot-brand{display:inline-flex;align-items:center;gap:10px;font-size:17px;font-weight:700;color:#fff;margin-bottom:16px}
.foot-brand svg{width:28px;height:28px}
.foot-desc{font-size:14px;line-height:1.8;color:rgba(255,255,255,.72);margin:0 0 18px;max-width:340px}
.foot-title{font-size:15px;font-weight:600;color:#fff;margin-bottom:16px}
.foot-links{display:grid;gap:12px}
.foot-links a{font-size:14px;display:inline-block;transition:color .2s ease,transform .2s ease}
.foot-contact{display:grid;gap:10px;font-size:14px;color:rgba(255,255,255,.72)}
.foot-contact b{color:#fff;font-weight:600}
.foot-bottom{
  margin-top:48px;padding-top:22px;
  border-top:1px solid rgba(255,255,255,.12);
  display:flex;align-items:center;justify-content:space-between;gap:12px;flex-wrap:wrap;
  font-size:13px;color:rgba(255,255,255,.6);
}

/* ---------- 遮罩 ---------- */
.scrim{position:fixed;inset:0;background:rgba(15,46,74,.28);z-index:55;border:0;padding:0;display:none}
.scrim.is-open{display:block}
body.no-scroll{overflow:hidden}

/* ---------- 响应式 ---------- */
@media (max-width:1023px){
  .article-side{position:static;margin-top:24px;grid-template-columns:repeat(2,1fr)}
  .card-grid{grid-template-columns:repeat(2,1fr)}
  .page-head{padding:44px 0 38px}
}
@media (max-width:991px){
  .dock-menu{display:none}
  .dock-burger{display:inline-flex}
  .mobile-panel{
    display:none;
    position:absolute;
    top:calc(100% + 8px);
    left:0;right:0;
    background:#fff;
    border-radius:20px;
    box-shadow:var(--sh-3);
    padding:10px;
  }
  .dock.menu-open .mobile-panel{display:block}
  .mobile-panel a.m-link{
    display:flex;align-items:center;
    min-height:44px;padding:0 16px;
    font-size:15px;font-weight:500;color:var(--c-body);
    border-bottom:1px solid var(--c-line);
  }
  .mobile-panel a.m-link:last-of-type{border-bottom:0}
  .mobile-panel a.m-link:hover{color:var(--c-brand-500);background:var(--c-brand-50);border-radius:12px}
  .mobile-panel .m-cta{width:100%;margin-top:10px}
}
@media (max-width:767px){
  .grid-container{padding-left:20px;padding-right:20px}
  .article-card{padding:24px 20px}
  .article-body{font-size:16px}
  .article-body h2{font-size:20px;margin-top:36px}
  .article-side{grid-template-columns:1fr}
  .cta-inner{padding:30px 24px}
  .site-foot{margin-top:56px;padding:48px 0 24px}
  .page-head{margin-top:16px;padding:36px 0 32px}
}
@media (max-width:639px){
  .dock{top:10px;margin-top:10px;padding:0 10px 0 14px;height:60px}
  .dock.is-scrolled{height:54px}
  .dock .logo span{font-size:15px}
  .dock-actions .icon-btn:not(.dock-burger){display:none}
  .dock-cta{display:none}
  .card-grid{grid-template-columns:1fr}
  .crumb .now{max-width:200px}
  .cta-actions{width:100%}
  .cta-actions .btn{width:100%}
  .foot-bottom{flex-direction:column;align-items:flex-start}
}

/* roulang page: category1 */
:root{
  --c-brand-900:#0F2E4A;
  --c-brand-700:#17456B;
  --c-brand-600:#1D5A8C;
  --c-brand-500:#2470AD;
  --c-brand-100:#E6EFF7;
  --c-brand-50:#F4F8FC;
  --c-accent-500:#E0A028;
  --c-accent-100:#FBF1DD;
  --c-ink:#101B28;
  --c-body:#4A5A6B;
  --c-muted:#8496A6;
  --c-line:#E2E9F1;
  --c-bg:#F6F9FC;
  --c-surface:#FFFFFF;
  --c-ok:#2E9C74;
  --c-warn:#D08A1E;
  --c-danger:#C0463A;
  --sh-1:0 2px 8px rgba(16,27,40,.04);
  --sh-2:0 10px 28px -14px rgba(16,45,72,.18);
  --sh-3:0 22px 48px -20px rgba(16,45,72,.28);
  --r-lg:18px;
  --r-md:14px;
  --r-btn:12px;
  --r-in:10px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:-apple-system,"PingFang SC","Microsoft YaHei","Noto Sans SC","Source Han Sans SC",sans-serif;
  font-size:16px;line-height:1.85;color:var(--c-body);background:var(--c-bg);
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4{margin:0 0 14px;color:var(--c-ink);font-weight:700;line-height:1.4;letter-spacing:-.01em}
p{margin:0 0 20px}
a{color:var(--c-brand-500);text-decoration:none;transition:color .2s ease,background-color .2s ease,transform .2s ease}
a:hover{color:var(--c-brand-700)}
img{max-width:100%;display:block}
ul,ol{margin:0;padding:0;list-style:none}
button{font-family:inherit}
b,strong{color:var(--c-brand-700);font-weight:600}
:focus-visible{outline:3px solid rgba(36,112,173,.28);outline-offset:2px;border-radius:8px}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}
.section{padding:100px 0}
.section--alt{background:#fff;border-top:1px solid var(--c-line);border-bottom:1px solid var(--c-line)}
.section--tight{padding:72px 0}
.section-head{max-width:780px;margin-bottom:44px}
.section-head h2{font-size:clamp(22px,2.6vw,32px);margin-bottom:12px}
.section-head p{margin:0;font-size:15.5px;color:var(--c-body)}

/* ---------- Dock 导航 ---------- */
.dock{
  position:sticky;top:18px;z-index:50;
  width:calc(100% - 32px);max-width:1160px;
  margin:18px auto 0;
  display:flex;align-items:center;gap:16px;
  height:68px;padding:0 14px 0 20px;
  background:rgba(255,255,255,.88);
  -webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);
  border:1px solid rgba(15,46,74,.08);
  border-radius:999px;
  box-shadow:var(--sh-2);
  transition:height .2s cubic-bezier(.2,.7,.3,1),box-shadow .2s cubic-bezier(.2,.7,.3,1),padding .2s cubic-bezier(.2,.7,.3,1);
}
.dock.is-shrink{height:58px;box-shadow:var(--sh-3)}
.logo{display:inline-flex;align-items:center;gap:10px;font-weight:700;font-size:16px;color:var(--c-ink);letter-spacing:-.01em;flex:0 0 auto}
.logo:hover{color:var(--c-brand-700)}
.logo-mark,.foot-brand svg{width:28px;height:28px;flex:0 0 auto}
.dock-menu{display:flex;align-items:center;gap:4px;margin:0 auto}
.dock-menu a{
  position:relative;padding:10px 16px;font-size:14.5px;font-weight:500;
  color:var(--c-body);border-radius:999px;white-space:nowrap;
}
.dock-menu a:hover{background:var(--c-brand-100);color:var(--c-brand-500)}
.dock-menu a.is-active{color:var(--c-brand-700);font-weight:600}
.dock-menu a.is-active::after{
  content:"";position:absolute;left:50%;bottom:5px;transform:translateX(-50%);
  width:4px;height:4px;border-radius:999px;background:var(--c-accent-500);
}
.dock-actions{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.icon-btn{
  width:40px;height:40px;display:inline-flex;align-items:center;justify-content:center;
  border:1px solid var(--c-line);background:#fff;border-radius:999px;
  color:var(--c-brand-600);cursor:pointer;font-size:15px;
  transition:all .2s ease;
}
.icon-btn:hover{border-color:rgba(36,112,173,.35);background:var(--c-brand-50);color:var(--c-brand-500)}
.dock-burger{display:none}

/* ---------- 按钮 / 徽章 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:44px;padding:0 22px;border-radius:var(--r-btn);
  font-size:15px;font-weight:600;border:1px solid transparent;
  cursor:pointer;transition:all .2s cubic-bezier(.2,.7,.3,1);
}
.btn:active{transform:translateY(1px)}
.btn:disabled{opacity:.6;cursor:not-allowed}
.btn-primary{background:var(--c-brand-500);color:#fff;box-shadow:0 10px 22px -12px rgba(36,112,173,.85)}
.btn-primary:hover{background:var(--c-brand-600);color:#fff;transform:translateY(-1px)}
.btn-ghost{background:transparent;border-color:var(--c-brand-500);color:var(--c-brand-500)}
.btn-ghost:hover{background:var(--c-brand-100);color:var(--c-brand-700);transform:translateY(-1px)}
.btn-ghost:hover i{transform:translateX(4px)}
.btn-ghost i{transition:transform .2s ease}
.btn-light{background:#fff;color:var(--c-brand-700);box-shadow:0 12px 26px -14px rgba(0,0,0,.5)}
.btn-light:hover{background:var(--c-brand-50);color:var(--c-brand-700);transform:translateY(-1px)}
.dock-cta{height:40px;font-size:14px;padding:0 18px;border-radius:999px}

.badge{
  display:inline-flex;align-items:center;gap:6px;
  padding:4px 12px;border-radius:999px;
  background:var(--c-brand-100);color:var(--c-brand-700);
  font-size:13px;font-weight:500;line-height:1.7;
}
.badge--accent{background:var(--c-accent-100);color:#8A5E0F}
.badge--ok{background:#E7F5EF;color:var(--c-ok)}
.badge--line{background:#fff;border:1px solid var(--c-line);color:var(--c-body)}

/* ---------- 移动端菜单 ---------- */
.mobile-panel{
  position:fixed;left:16px;right:16px;top:88px;z-index:60;
  background:#fff;border-radius:20px;box-shadow:var(--sh-3);
  padding:8px;display:none;
}
.mobile-panel.is-open{display:block}
.mobile-panel a.m-link{
  display:flex;align-items:center;min-height:44px;padding:0 14px;
  font-size:15px;font-weight:500;color:var(--c-ink);
  border-bottom:1px solid var(--c-line);
}
.mobile-panel a.m-link:last-of-type{border-bottom:0}
.mobile-panel a.m-link.is-active{color:var(--c-brand-500)}
.mobile-panel .m-cta{margin:10px 6px 6px;width:calc(100% - 12px)}
.overlay{
  position:fixed;inset:0;background:rgba(15,46,74,.28);z-index:55;
  opacity:0;pointer-events:none;transition:opacity .2s ease;
}
.overlay.is-open{opacity:1;pointer-events:auto}

/* ---------- 页首 ---------- */
.page-head{position:relative;overflow:hidden;padding:64px 0 56px;background:linear-gradient(180deg,#FFFFFF 0%,var(--c-bg) 100%)}
.page-head::before{
  content:"";position:absolute;inset:0;
  background-image:url(/assets/images/backpic/back-2.webp);
  background-size:cover;background-position:center;opacity:.07;
}
.page-head .container{position:relative;z-index:1}
.crumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--c-muted);margin-bottom:20px}
.crumb a{color:var(--c-muted)}
.crumb a:hover{color:var(--c-brand-500)}
.crumb .sep{color:#C7D3DE}
.crumb .now{color:var(--c-brand-700);font-weight:500}
.page-title{font-size:clamp(26px,3.6vw,38px);margin-bottom:16px;max-width:900px}
.page-lead{max-width:780px;font-size:16.5px;margin-bottom:24px}
.head-badges{display:flex;flex-wrap:wrap;gap:10px}

/* ---------- 交错图文卡 ---------- */
.xlist{margin-top:8px}
.xcard{
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-lg);
  box-shadow:var(--sh-2);padding:24px;margin-bottom:28px;
  transition:box-shadow .2s ease,transform .2s ease,border-color .2s ease;
}
.xcard:hover{box-shadow:var(--sh-3);transform:translateY(-3px);border-color:rgba(36,112,173,.25)}
.xcard .grid-x{align-items:center}
.xcard-media{overflow:hidden;border-radius:16px;background:#EEF3F8}
.xcard-media img{width:100%;aspect-ratio:4/3;object-fit:cover;border-radius:16px;transition:transform .35s ease}
.xcard:hover .xcard-media img{transform:scale(1.03)}
.xcard-media-cell{padding-right:24px}
.xcard.is-rev .xcard-media-cell{order:2;padding-right:0;padding-left:24px}
.xcard.is-rev .xcard-body{order:1}
.xcard-body .badge{margin-bottom:14px}
.xcard-body h3{font-size:20px;margin:0 0 12px}
.xcard-body p{font-size:15px;margin:0 0 6px}
.points{display:grid;gap:10px;margin:16px 0 18px}
.points li{display:flex;gap:10px;font-size:14.5px;line-height:1.75}
.points li::before{
  content:"";flex:0 0 auto;width:18px;height:18px;margin-top:6px;border-radius:999px;
  background-color:var(--c-brand-100);
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%232470AD' stroke-width='3' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='20 6 9 17 4 12'/%3E%3C/svg%3E");
  background-size:12px 12px;background-position:center;background-repeat:no-repeat;
}
.arrow-link{display:inline-flex;align-items:center;gap:8px;font-size:14.5px;font-weight:600;color:var(--c-brand-500)}
.arrow-link i{transition:transform .2s ease}
.arrow-link:hover i{transform:translateX(4px)}

/* ---------- 流程 ---------- */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.step{
  position:relative;background:#fff;border:1px solid var(--c-line);border-radius:var(--r-lg);
  padding:26px 24px;box-shadow:var(--sh-1);transition:box-shadow .2s ease,transform .2s ease,border-color .2s ease;
}
.step:hover{box-shadow:var(--sh-2);transform:translateY(-3px);border-color:rgba(36,112,173,.25)}
.step-num{display:block;font-size:13px;font-weight:700;color:var(--c-accent-500);letter-spacing:.14em;font-variant-numeric:tabular-nums}
.step h3{font-size:18px;margin:12px 0 8px}
.step p{font-size:14px;margin:0}

/* ---------- 课程信息卡 ---------- */
.info-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.info-card{background:#fff;border-radius:var(--r-lg);padding:26px 24px;box-shadow:var(--sh-2);transition:transform .2s ease,box-shadow .2s ease}
.info-card:hover{transform:translateY(-3px);box-shadow:var(--sh-3)}
.info-card::before{content:"";display:block;width:40px;height:3px;border-radius:999px;background:var(--c-accent-500);margin-bottom:18px;transition:background .2s ease}
.info-card:hover::before{background:var(--c-brand-500)}
.info-value{font-size:clamp(28px,3vw,40px);font-weight:700;color:var(--c-brand-500);line-height:1.2;font-variant-numeric:tabular-nums}
.info-value small{font-size:14px;font-weight:400;color:var(--c-muted);margin-left:6px}
.info-card p{font-size:13.5px;margin:10px 0 0;color:var(--c-body)}

/* ---------- FAQ ---------- */
.faq{list-style:none;margin:0;padding:0;background:transparent}
.faq .accordion-item{
  background:#fff;border:1px solid var(--c-line);border-radius:var(--r-md);
  box-shadow:var(--sh-1);margin-bottom:12px;overflow:hidden;transition:box-shadow .2s ease,border-color .2s ease;
}
.faq .accordion-item:hover{border-color:rgba(36,112,173,.25)}
.faq .accordion-item.is-active{box-shadow:var(--sh-2)}
.faq .accordion-title{
  position:relative;display:flex;align-items:center;gap:16px;
  padding:20px 24px;background:transparent;border:0;
  font-size:16.5px;font-weight:600;color:var(--c-ink);line-height:1.6;
}
.faq .accordion-title:hover,.faq .accordion-title:focus{background:var(--c-brand-50)}
.faq .accordion-title::before{
  content:"+";position:static;margin:0 0 0 auto;order:3;
  font-size:20px;line-height:1;color:var(--c-brand-500);font-weight:400;
  transition:transform .2s ease,color .2s ease;
}
.faq .accordion-item.is-active .accordion-title::before{content:"–";color:var(--c-brand-500);transform:rotate(90deg)}
.faq .accordion-item.is-active .accordion-title::after{
  content:"";position:absolute;left:0;top:14px;bottom:14px;width:3px;border-radius:0 3px 3px 0;background:var(--c-accent-500);
}
.faq .accordion-content{
  border:0;border-top:1px solid var(--c-line);background:transparent;
  padding:18px 24px 22px;font-size:15px;line-height:1.85;color:var(--c-body);
}
.faq .accordion-content p{margin:0}

/* ---------- CTA ---------- */
.cta-band{
  display:flex;align-items:center;justify-content:space-between;gap:28px;flex-wrap:wrap;
  background:linear-gradient(135deg,var(--c-brand-700) 0%,var(--c-brand-900) 100%);
  border-radius:var(--r-lg);padding:40px 44px;box-shadow:var(--sh-3);color:#fff;
}
.cta-band h2{color:#fff;font-size:clamp(22px,2.4vw,30px);margin-bottom:10px}
.cta-band p{color:rgba(255,255,255,.78);font-size:15px;margin:0;max-width:640px}
.cta-side{display:flex;align-items:center;gap:14px;flex-wrap:wrap}
.related{display:flex;align-items:center;flex-wrap:wrap;gap:12px;margin-top:26px;font-size:14px;color:var(--c-muted)}
.related a{font-weight:500}
.related .dot{color:#C7D3DE}

/* ---------- 页脚 ---------- */
.site-foot{background:var(--c-brand-900);color:rgba(255,255,255,.78);margin-top:96px;padding:64px 0 0}
.site-foot .grid-x{margin-left:-10px;margin-right:-10px}
.site-foot .cell{padding:10px}
.foot-brand{display:inline-flex;align-items:center;gap:10px;color:#fff;font-weight:700;font-size:17px;margin-bottom:18px}
.foot-brand:hover{color:#fff}
.foot-desc{font-size:14px;line-height:1.8;max-width:340px;margin-bottom:18px;color:rgba(255,255,255,.72)}
.foot-contact div{font-size:14px;margin-bottom:6px;line-height:1.8}
.foot-contact b{color:#fff;font-weight:600}
.foot-title{color:#fff;font-size:15px;font-weight:600;margin-bottom:16px}
.foot-links a{display:block;font-size:14px;color:rgba(255,255,255,.78);padding:6px 0;transition:color .2s ease,transform .2s ease}
.foot-links a:hover{color:#fff;transform:translateX(-3px)}
.foot-bottom{
  margin-top:44px;border-top:1px solid rgba(255,255,255,.12);
  padding:22px 0;display:flex;justify-content:space-between;flex-wrap:wrap;gap:10px;
  font-size:13px;color:rgba(255,255,255,.6);
}

/* ---------- 响应式 ---------- */
@media (max-width:1199px){
  .section{padding:84px 0}
  .container{padding:0 22px}
}
@media (max-width:1023px){
  .steps{grid-template-columns:repeat(2,1fr)}
  .info-grid{grid-template-columns:repeat(2,1fr)}
  .xcard-media-cell{padding:0 0 20px}
  .xcard.is-rev .xcard-media-cell{order:1;padding:0 0 20px}
  .xcard.is-rev .xcard-body{order:2}
}
@media (max-width:991px){
  .dock-menu{display:none}
  .dock-burger{display:inline-flex}
  .dock{gap:10px;padding:0 12px 0 16px}
  .dock .icon-btn[aria-label="站内搜索"]{display:none}
  .cta-band{padding:32px 26px}
}
@media (max-width:767px){
  .section{padding:64px 0}
  .section--tight{padding:56px 0}
  .container{padding:0 20px}
  .page-head{padding:40px 0 36px}
  .xcard{padding:18px;margin-bottom:20px}
  .xcard-body h3{font-size:18.5px}
  .points li:nth-child(3){display:none}
  .cta-band{flex-direction:column;align-items:flex-start}
  .cta-side{width:100%}
  .cta-side .btn{width:100%}
  .foot-bottom{flex-direction:column}
  .site-foot{margin-top:64px;padding-top:48px}
}
@media (max-width:520px){
  .dock{width:calc(100% - 24px);height:62px;padding:0 10px 0 14px}
  .logo{font-size:14.5px;gap:8px}
  .logo-mark{width:24px;height:24px}
  .dock-cta{display:none}
  .page-title{font-size:26px}
  .page-lead{font-size:15.5px}
  .steps,.info-grid{grid-template-columns:1fr}
  .faq .accordion-title{padding:16px 18px;font-size:15.5px}
  .faq .accordion-content{padding:14px 18px 18px;font-size:14.5px}
}

/* roulang page: category2 */
:root{
  --c-brand-900:#0F2E4A;
  --c-brand-700:#17456B;
  --c-brand-600:#1D5A8C;
  --c-brand-500:#2470AD;
  --c-brand-100:#E6EFF7;
  --c-brand-50:#F4F8FC;
  --c-accent-500:#E0A028;
  --c-accent-100:#FBF1DD;
  --c-ink:#101B28;
  --c-body:#4A5A6B;
  --c-muted:#8496A6;
  --c-line:#E2E9F1;
  --c-bg:#F6F9FC;
  --c-surface:#FFFFFF;
  --c-ok:#2E9C74;
  --c-warn:#D08A1E;
  --c-danger:#C0463A;
  --sh-1:0 2px 8px rgba(16,27,40,.04);
  --sh-2:0 10px 28px -14px rgba(16,45,72,.18);
  --sh-3:0 22px 48px -20px rgba(16,45,72,.28);
  --r-lg:18px;
  --r-md:14px;
  --r-btn:12px;
  --r-input:10px;
  --sp:8px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:-apple-system,"PingFang SC","Microsoft YaHei","Noto Sans SC","Source Han Sans SC",sans-serif;
  font-size:16px;
  line-height:1.88;
  color:var(--c-body);
  background:var(--c-bg);
  overflow-x:hidden;
}
img{max-width:100%;display:block;height:auto;}
a{color:var(--c-brand-500);text-decoration:none;transition:color .2s ease,background .2s ease,transform .2s ease;}
a:hover,a:focus{color:var(--c-brand-700);}
button,input,select,textarea{font:inherit;color:inherit;}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4{color:var(--c-ink);margin:0;line-height:1.4;font-weight:700;}
p{margin:0;}
b,strong{font-weight:600;}
:focus-visible{outline:2px solid var(--c-brand-500);outline-offset:2px;}
.container{max-width:1200px;margin:0 auto;padding:0 24px;}
.grid-container{max-width:1200px;padding-left:24px;padding-right:24px;}
.section{padding:96px 0;}
.section-alt{background:var(--c-surface);}
.sec-head{max-width:760px;margin-bottom:40px;}
.sec-head h2{font-size:clamp(22px,2.6vw,32px);letter-spacing:-.01em;}
.sec-head p{margin-top:12px;font-size:16px;}
.sec-eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:600;color:var(--c-brand-600);background:var(--c-brand-100);border-radius:999px;padding:5px 14px;margin-bottom:16px;letter-spacing:.02em;}

/* 导航 Dock */
.site-head{position:sticky;top:0;z-index:60;padding:18px 16px 8px;transition:padding .2s cubic-bezier(.2,.7,.3,1);}
.site-head.is-scrolled{padding-top:10px;}
.dock{
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  max-width:1160px;margin:0 auto;height:68px;padding:0 14px 0 20px;
  background:rgba(255,255,255,.88);
  -webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);
  border:1px solid rgba(15,46,74,.08);border-radius:999px;box-shadow:var(--sh-2);
  transition:height .2s cubic-bezier(.2,.7,.3,1),box-shadow .2s ease;
}
.site-head.is-scrolled .dock{height:58px;box-shadow:var(--sh-3);}
.logo{display:inline-flex;align-items:center;gap:10px;font-size:16.5px;font-weight:700;letter-spacing:-.01em;color:var(--c-ink);}
.logo:hover{color:var(--c-brand-500);}
.logo-mark{width:28px;height:28px;flex:0 0 28px;}
.dock-menu{display:flex;align-items:center;gap:4px;}
.dock-menu a{position:relative;display:inline-flex;align-items:center;height:40px;padding:0 16px;font-size:14.5px;font-weight:500;color:var(--c-body);border-radius:999px;}
.dock-menu a:hover{background:var(--c-brand-100);color:var(--c-brand-500);}
.dock-menu a.is-active{color:var(--c-brand-500);background:var(--c-brand-100);}
.dock-menu a.is-active::after{content:"";position:absolute;left:50%;transform:translateX(-50%);bottom:5px;width:14px;height:2px;border-radius:2px;background:var(--c-accent-500);}
.dock-actions{display:flex;align-items:center;gap:10px;}
.icon-btn{width:40px;height:40px;display:inline-flex;align-items:center;justify-content:center;border-radius:999px;border:1px solid var(--c-line);background:#fff;color:var(--c-brand-600);cursor:pointer;transition:.2s;}
.icon-btn:hover{background:var(--c-brand-50);border-color:rgba(36,112,173,.35);color:var(--c-brand-500);}
.icon-btn:active{transform:translateY(1px);}
.dock-burger{display:none;}

/* 按钮 */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;height:46px;padding:0 24px;border-radius:var(--r-btn);font-size:15px;font-weight:600;border:1px solid transparent;cursor:pointer;transition:transform .2s ease,background .2s ease,box-shadow .2s ease,color .2s ease,border-color .2s ease;}
.btn-primary{background:var(--c-brand-500);color:#fff;box-shadow:0 10px 22px -12px rgba(36,112,173,.85);}
.btn-primary:hover{background:#1F63A0;color:#fff;transform:translateY(-1px);}
.btn-primary:active{transform:translateY(1px);}
.btn-primary:focus-visible{box-shadow:0 0 0 3px rgba(36,112,173,.28);}
.btn-outline{background:transparent;border-color:rgba(36,112,173,.42);color:var(--c-brand-600);}
.btn-outline:hover{background:var(--c-brand-100);color:var(--c-brand-700);transform:translateY(-1px);}
.btn-ghost{background:transparent;border-color:var(--c-line);color:var(--c-body);}
.btn-ghost:hover{border-color:rgba(36,112,173,.35);color:var(--c-brand-600);}
.btn[disabled],.btn.is-disabled{opacity:.6;pointer-events:none;}
.btn .fa-arrow-right{transition:transform .2s ease;}
.btn:hover .fa-arrow-right{transform:translateX(4px);}
.dock-cta{height:40px;padding:0 18px;font-size:14px;}

/* 移动端菜单 */
.mobile-panel{position:fixed;top:96px;left:16px;right:16px;z-index:70;background:#fff;border-radius:20px;box-shadow:var(--sh-3);padding:12px;display:none;}
.mobile-panel.is-open{display:block;}
.mobile-panel a{display:flex;align-items:center;min-height:44px;padding:0 14px;font-size:15px;font-weight:500;color:var(--c-ink);border-bottom:1px solid var(--c-line);}
.mobile-panel a:last-of-type{border-bottom:0;}
.mobile-panel a.is-active{color:var(--c-brand-500);}
.mobile-panel .btn{width:100%;margin-top:12px;}
.overlay{position:fixed;inset:0;background:rgba(15,46,74,.28);z-index:65;display:none;}
.overlay.is-open{display:block;}

/* 面包屑 + 页首 */
.cat-hero{position:relative;padding:64px 0 72px;background:var(--c-bg);overflow:hidden;}
.cat-hero::before{content:"";position:absolute;top:-180px;right:-120px;width:620px;height:620px;border-radius:50%;background:radial-gradient(circle,rgba(36,112,173,.10),rgba(36,112,173,0) 68%);pointer-events:none;}
.breadcrumb{font-size:13px;color:var(--c-muted);margin-bottom:20px;}
.breadcrumb ol{display:flex;flex-wrap:wrap;align-items:center;gap:8px;}
.breadcrumb li+li::before{content:"›";margin-right:8px;color:var(--c-muted);}
.breadcrumb a{color:var(--c-muted);}
.breadcrumb a:hover{color:var(--c-brand-500);}
.breadcrumb [aria-current="page"]{color:var(--c-body);}
.hero-tag{display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:600;color:var(--c-brand-600);background:var(--c-brand-100);border-radius:999px;padding:6px 14px;margin-bottom:18px;}
.hero-tag .dot{width:6px;height:6px;border-radius:50%;background:var(--c-accent-500);}
.cat-hero h1{font-size:clamp(28px,4.2vw,44px);letter-spacing:-.02em;line-height:1.3;}
.hero-lead{margin-top:18px;max-width:560px;font-size:16.5px;color:var(--c-body);}
.hero-badges{display:flex;flex-wrap:wrap;gap:10px;margin-top:26px;}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:32px;}
.hero-figure{position:relative;}
.hero-figure img{width:100%;aspect-ratio:4/3;object-fit:cover;border-radius:20px;box-shadow:var(--sh-2);}
.float-card{position:absolute;left:-14px;bottom:18px;background:#fff;border-radius:var(--r-md);box-shadow:var(--sh-3);padding:14px 18px;max-width:230px;}
.float-card .fc-num{font-size:20px;font-weight:700;color:var(--c-brand-500);line-height:1.3;font-variant-numeric:tabular-nums;}
.float-card .fc-txt{font-size:12.5px;color:var(--c-muted);margin-top:4px;line-height:1.6;}

/* 徽章 */
.badge{display:inline-flex;align-items:center;gap:6px;font-size:13px;font-weight:500;color:var(--c-brand-600);background:var(--c-brand-100);border-radius:999px;padding:4px 12px;line-height:1.6;}
.badge-accent{background:var(--c-accent-100);color:#9A6A0C;}
.badge-line{background:#fff;border:1px solid var(--c-line);color:var(--c-body);}

/* 概览卡 */
.overview-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.ov-card{background:#fff;border:1px solid var(--c-line);border-radius:var(--r-lg);box-shadow:var(--sh-2);padding:28px;transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;}
.ov-card:hover{transform:translateY(-3px);box-shadow:var(--sh-3);border-color:rgba(36,112,173,.3);}
.ov-icon{width:46px;height:46px;border-radius:14px;background:var(--c-brand-100);color:var(--c-brand-500);display:inline-flex;align-items:center;justify-content:center;font-size:19px;margin-bottom:18px;transition:.2s;}
.ov-card:hover .ov-icon{background:var(--c-brand-500);color:#fff;}
.ov-card h3{font-size:18px;margin-bottom:10px;}
.ov-card p{font-size:14.5px;line-height:1.85;}

/* 主体两栏 */
.side-card{background:#fff;border:1px solid var(--c-line);border-radius:var(--r-lg);box-shadow:var(--sh-2);padding:20px;}
.side-figure img{width:100%;aspect-ratio:4/3;object-fit:cover;border-radius:var(--r-md);margin-bottom:20px;}
.side-block+.side-block{margin-top:22px;padding-top:20px;border-top:1px solid var(--c-line);}
.side-title{font-size:13px;font-weight:600;color:var(--c-muted);letter-spacing:.04em;margin-bottom:12px;}
.side-nav a{position:relative;display:block;padding:9px 12px;font-size:14.5px;color:var(--c-body);border-radius:10px;}
.side-nav a:hover{background:var(--c-brand-50);color:var(--c-brand-600);}
.side-nav a.is-current{color:var(--c-brand-500);font-weight:600;background:var(--c-brand-50);}
.side-nav a.is-current::before{content:"";position:absolute;left:0;top:11px;bottom:11px;width:3px;border-radius:3px;background:var(--c-accent-500);}
.side-tags{display:flex;flex-wrap:wrap;gap:8px;}
.tag-pill{display:inline-flex;align-items:center;font-size:13px;color:var(--c-body);background:var(--c-brand-50);border:1px solid var(--c-line);border-radius:999px;padding:5px 12px;}
.tag-pill:hover{background:var(--c-brand-100);color:var(--c-brand-600);border-color:rgba(36,112,173,.3);}
@media (min-width:1024px){.side-card{position:sticky;top:96px;}}

.list-head{display:flex;align-items:flex-end;justify-content:space-between;gap:16px;margin-bottom:8px;}
.list-head h2{font-size:clamp(21px,2.4vw,28px);}
.list-head p{font-size:14.5px;color:var(--c-muted);margin-top:8px;}
.num-list{margin-top:16px;}
.num-row{position:relative;display:flex;align-items:flex-start;gap:20px;padding:22px 12px;border-bottom:1px solid var(--c-line);transition:background .2s ease;}
.num-row:first-child{border-top:1px solid var(--c-line);}
.num{flex:0 0 46px;height:40px;display:inline-flex;align-items:center;justify-content:center;font-size:15px;font-weight:600;color:rgba(36,112,173,.5);border:1px solid rgba(36,112,173,.22);border-radius:10px;font-variant-numeric:tabular-nums;transition:.2s;}
.num-main{flex:1 1 auto;min-width:0;}
.num-main h3{font-size:17.5px;margin-bottom:6px;transition:color .2s ease;}
.num-main p{font-size:14px;color:var(--c-body);line-height:1.8;}
.num-meta{display:flex;flex-wrap:wrap;gap:8px;margin-top:12px;}
.row-arrow{flex:0 0 42px;height:42px;border-radius:999px;border:1px solid rgba(36,112,173,.35);color:var(--c-brand-500);display:inline-flex;align-items:center;justify-content:center;transition:.2s;}
.num-row:hover{background:var(--c-brand-50);}
.num-row:hover .num{border-color:rgba(36,112,173,.5);color:var(--c-brand-500);}
.num-row:hover .num-main h3{color:var(--c-brand-500);}
.num-row:hover .row-arrow{background:var(--c-brand-500);border-color:var(--c-brand-500);color:#fff;}

/* 流程 */
.flow-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:20px;counter-reset:flow;}
.flow-item{position:relative;background:#fff;border:1px solid var(--c-line);border-radius:var(--r-lg);box-shadow:var(--sh-1);padding:24px 22px;transition:.2s;}
.flow-item:hover{box-shadow:var(--sh-2);transform:translateY(-3px);border-color:rgba(36,112,173,.3);}
.flow-item::before{counter-increment:flow;content:"0" counter(flow);display:block;font-size:13px;font-weight:700;color:var(--c-accent-500);letter-spacing:.08em;margin-bottom:14px;}
.flow-item h3{font-size:16px;margin-bottom:8px;}
.flow-item p{font-size:13.5px;line-height:1.8;color:var(--c-body);}

/* 适合对象 */
.scene-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:20px;}
.scene-card{display:flex;gap:16px;background:#fff;border:1px solid var(--c-line);border-radius:var(--r-lg);padding:24px;box-shadow:var(--sh-1);transition:.2s;}
.scene-card:hover{box-shadow:var(--sh-2);border-color:rgba(36,112,173,.3);}
.scene-icon{flex:0 0 44px;height:44px;border-radius:12px;background:var(--c-brand-100);color:var(--c-brand-500);display:inline-flex;align-items:center;justify-content:center;font-size:17px;}
.scene-card h3{font-size:16.5px;margin-bottom:6px;}
.scene-card p{font-size:14px;line-height:1.8;}

/* FAQ */
.faq-list.accordion{border:0;background:transparent;margin:0;}
.faq-list .accordion-item{position:relative;background:#fff;border:1px solid var(--c-line);border-radius:var(--r-md);box-shadow:var(--sh-1);margin-bottom:12px;overflow:hidden;transition:box-shadow .2s ease,border-color .2s ease;}
.faq-list .accordion-item.is-active{box-shadow:var(--sh-2);border-color:rgba(36,112,173,.22);}
.faq-list .accordion-item.is-active::after{content:"";position:absolute;left:0;top:14px;bottom:14px;width:3px;border-radius:0 3px 3px 0;background:var(--c-accent-500);}
.faq-list .accordion-title{position:relative;display:block;border:0;background:transparent;padding:18px 58px 18px 24px;font-size:16.5px;font-weight:600;color:var(--c-ink);line-height:1.6;}
.faq-list .accordion-title:hover{background:var(--c-brand-50);color:var(--c-brand-700);}
.faq-list .accordion-title::before{content:"＋";position:absolute;right:22px;top:50%;transform:translateY(-50%);font-size:18px;font-weight:400;color:var(--c-brand-600);line-height:1;transition:transform .2s ease,color .2s ease;}
.faq-list .accordion-title[aria-expanded="true"]::before{content:"－";color:var(--c-brand-500);transform:translateY(-50%) rotate(180deg);}
.faq-list .accordion-content{border:0;background:transparent;padding:0 24px 20px;font-size:15px;line-height:1.85;color:var(--c-body);}

/* CTA */
.cta-band{position:relative;border-radius:var(--r-lg);overflow:hidden;box-shadow:var(--sh-3);}
.cta-band::before{content:"";position:absolute;inset:0;background-image:url('/assets/images/backpic/back-2.webp');background-size:cover;background-position:center;opacity:.34;}
.cta-band::after{content:"";position:absolute;inset:0;background:linear-gradient(120deg,rgba(15,46,74,.94),rgba(15,46,74,.80));}
.cta-inner{position:relative;z-index:2;padding:48px;display:flex;align-items:center;justify-content:space-between;gap:32px;flex-wrap:wrap;}
.cta-inner h2{color:#fff;font-size:clamp(21px,2.4vw,28px);}
.cta-inner p{color:rgba(255,255,255,.78);font-size:15px;margin-top:10px;max-width:520px;}
.cta-actions{display:flex;gap:12px;flex-wrap:wrap;}
.cta-band .btn-outline{border-color:rgba(255,255,255,.5);color:#fff;}
.cta-band .btn-outline:hover{background:rgba(255,255,255,.14);color:#fff;}

.rel-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:20px;margin-top:24px;}
.rel-card{display:flex;align-items:center;justify-content:space-between;gap:18px;background:#fff;border:1px solid var(--c-line);border-radius:var(--r-lg);padding:24px 26px;box-shadow:var(--sh-1);transition:.2s;}
.rel-card:hover{box-shadow:var(--sh-2);transform:translateY(-3px);border-color:rgba(36,112,173,.3);}
.rel-card span{font-size:13px;color:var(--c-muted);}
.rel-card h3{font-size:17px;margin:6px 0 4px;}
.rel-card p{font-size:13.5px;color:var(--c-body);}
.rel-arrow{flex:0 0 42px;height:42px;border-radius:999px;border:1px solid rgba(36,112,173,.3);color:var(--c-brand-500);display:inline-flex;align-items:center;justify-content:center;transition:.2s;}
.rel-card:hover .rel-arrow{background:var(--c-brand-500);color:#fff;border-color:var(--c-brand-500);}

/* 页脚 */
.site-foot{background:var(--c-brand-900);color:rgba(255,255,255,.78);margin-top:96px;padding:64px 0;font-size:14px;}
.foot-brand{display:inline-flex;align-items:center;gap:10px;color:#fff;font-weight:700;font-size:17px;}
.foot-brand:hover{color:#fff;}
.foot-brand svg{width:28px;height:28px;}
.foot-desc{margin:16px 0 20px;font-size:14px;line-height:1.9;color:rgba(255,255,255,.72);max-width:340px;}
.foot-contact div{margin-bottom:8px;color:rgba(255,255,255,.72);}
.foot-contact b{color:#fff;font-weight:600;}
.foot-title{color:#fff;font-size:15px;font-weight:600;margin-bottom:16px;}
.foot-links a{display:block;color:rgba(255,255,255,.72);line-height:2.1;font-size:14px;transition:.2s;}
.foot-links a:hover{color:#fff;transform:translateX(3px);}
.foot-bottom{display:flex;flex-wrap:wrap;justify-content:space-between;gap:12px;margin-top:48px;padding-top:24px;border-top:1px solid rgba(255,255,255,.12);font-size:13px;color:rgba(255,255,255,.6);}

/* 响应式 */
@media (max-width:1199px){
  .flow-grid{grid-template-columns:repeat(3,1fr);}
}
@media (max-width:1023px){
  .section{padding:72px 0;}
  .dock-menu,.dock-actions .icon-btn:not(.dock-burger){display:none;}
  .dock-burger{display:inline-flex;}
  .dock{height:62px;padding:0 12px 0 16px;}
  .overview-grid{grid-template-columns:repeat(2,1fr);gap:20px;}
  .scene-grid{grid-template-columns:1fr;}
  .flow-grid{grid-template-columns:repeat(2,1fr);}
  .cat-hero{padding:40px 0 56px;}
  .hero-figure{margin-top:36px;}
  .side-card{display:flex;gap:10px;overflow-x:auto;background:transparent;border:0;box-shadow:none;padding:0 0 6px;-webkit-overflow-scrolling:touch;}
  .side-card::-webkit-scrollbar{display:none;}
  .side-figure{display:none;}
  .side-block+.side-block{margin-top:0;padding-top:0;border-top:0;}
  .side-block{display:flex;gap:10px;flex:0 0 auto;}
  .side-title{display:none;}
  .side-nav{display:flex;gap:8px;}
  .side-nav a{white-space:nowrap;background:#fff;border:1px solid var(--c-line);border-radius:999px;padding:8px 16px;}
  .side-nav a.is-current{background:var(--c-brand-500);color:#fff;border-color:var(--c-brand-500);}
  .side-nav a.is-current::before{display:none;}
  .side-tags{flex-wrap:nowrap;}
  .tag-pill{white-space:nowrap;background:#fff;}
  .rel-grid{grid-template-columns:1fr;}
  .cta-inner{padding:36px 28px;}
}
@media (max-width:639px){
  .section{padding:56px 0;}
  .container,.grid-container{padding-left:20px;padding-right:20px;}
  .site-head{padding:12px 12px 6px;}
  .logo span{font-size:15.5px;}
  .overview-grid{grid-template-columns:1fr;}
  .flow-grid{grid-template-columns:1fr;}
  .num-row{gap:14px;padding:20px 4px 20px 0;}
  .num{flex:0 0 40px;height:36px;font-size:14px;}
  .num-main{padding-right:48px;}
  .row-arrow{position:absolute;top:18px;right:0;width:38px;height:38px;flex:0 0 38px;font-size:13px;}
  .float-card{left:10px;bottom:12px;padding:12px 14px;}
  .cta-inner{padding:28px 22px;}
  .cta-actions{width:100%;}
  .cta-actions .btn{width:100%;}
  .hero-actions .btn{width:100%;}
  .foot-bottom{flex-direction:column;}
  .site-foot{margin-top:56px;padding:48px 0;}
}