/* roulang page: index */
:root{
  --brand:#1E5BD6;
  --brand-dark:#123B8C;
  --brand-light:#3C7BEE;
  --brand-tint:#F0F5FF;
  --brand-line:#DCE8FD;
  --gold:#E9A23B;
  --gold-tint:#FDF1DC;
  --teal:#0E9E96;
  --bg:#F6F8FC;
  --surface:#FFFFFF;
  --line:#E4EAF2;
  --text:#0E1B2E;
  --text-2:#33465E;
  --text-3:#6B7C93;
  --ok:#1F9D6B;
  --warn:#D9822B;
  --err:#D64545;
  --r-card:16px;
  --r-lg:20px;
  --r-pill:999px;
  --r-input:12px;
  --sh-1:0 1px 2px rgba(14,27,46,.04), 0 2px 8px rgba(14,27,46,.05);
  --sh-2:0 4px 12px rgba(14,27,46,.06), 0 12px 32px rgba(14,27,46,.07);
  --sh-dock:0 8px 28px rgba(18,59,140,.12);
  --sec:104px;
  --font:"PingFang SC","HarmonyOS Sans SC","Source Han Sans SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;scroll-padding-top:120px;}
body{
  margin:0;
  font-family:var(--font);
  font-size:16px;
  line-height:1.75;
  color:var(--text);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4,p,ul,ol,figure,blockquote{margin:0;}
ul,ol{padding:0;list-style:none;}
img{max-width:100%;display:block;border:0;}
a{color:var(--brand);text-decoration:none;transition:color .18s ease, background-color .18s ease, border-color .18s ease;}
a:hover{color:var(--brand-dark);}
button{font-family:inherit;font-size:100%;margin:0;border:0;background:none;cursor:pointer;color:inherit;}
input,textarea,select{font-family:inherit;font-size:100%;}
:focus-visible{outline:2px solid var(--gold);outline-offset:2px;border-radius:6px;}
h1,h2,h3,h4{line-height:1.3;font-weight:700;color:var(--text);}
h1{font-size:clamp(30px,4vw,40px);line-height:1.25;}
h2{font-size:clamp(24px,2.6vw,30px);}
h3{font-size:clamp(19px,1.9vw,22px);}
p{color:var(--text-2);}
.rl-container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px;}
.section{padding:var(--sec) 0;}
.section--tint{background:var(--brand-tint);}
.tnum{font-variant-numeric:tabular-nums;font-feature-settings:"tnum" 1;}

/* ============ 按钮体系 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border-radius:var(--r-pill);font-weight:600;font-size:15px;line-height:1;
  padding:13px 24px;border:1px solid transparent;cursor:pointer;
  transition:transform .18s ease,background-color .18s ease,color .18s ease,border-color .18s ease,box-shadow .18s ease;
  white-space:nowrap;
}
.btn i{font-size:13px;}
.btn--primary{background:var(--brand);color:#fff;box-shadow:0 4px 14px rgba(30,91,214,.24);}
.btn--primary:hover{background:var(--brand-dark);color:#fff;transform:translateY(-1px);}
.btn--outline{background:#fff;color:var(--brand);border-color:var(--brand-line);}
.btn--outline:hover{background:var(--brand-tint);color:var(--brand-dark);border-color:var(--brand);}
.btn--ghost{background:rgba(255,255,255,.92);color:var(--brand);border-color:var(--brand-line);}
.btn--ghost:hover{background:#fff;color:var(--brand-dark);}
.btn--light{background:#fff;color:var(--brand-dark);}
.btn--light:hover{background:var(--brand-tint);color:var(--brand-dark);}
.btn--ghost-light{background:transparent;color:#fff;border-color:rgba(255,255,255,.6);}
.btn--ghost-light:hover{background:rgba(255,255,255,.14);color:#fff;border-color:#fff;}
.btn--sm{padding:9px 18px;font-size:14px;}
.btn--lg{padding:15px 30px;font-size:16px;}
.link-more{color:var(--brand);font-weight:600;font-size:14px;display:inline-flex;align-items:center;gap:6px;}
.tag{
  display:inline-flex;align-items:center;gap:6px;
  font-size:13px;line-height:1;padding:6px 12px;border-radius:var(--r-pill);
  background:var(--brand-tint);color:var(--brand-dark);border:1px solid var(--brand-line);
}
.tag--teal{background:rgba(14,158,150,.1);color:#0B7C75;border-color:rgba(14,158,150,.22);}
.tag--gold{background:var(--gold-tint);color:#96631A;border-color:rgba(233,162,59,.3);}

/* ============ Dock 导航 ============ */
.dock-wrap{
  position:fixed;top:16px;left:0;right:0;z-index:90;
  display:flex;justify-content:center;padding:0 16px;pointer-events:none;
}
.dock{
  pointer-events:auto;position:relative;
  width:100%;max-width:1080px;
  display:flex;align-items:center;gap:14px;
  background:rgba(255,255,255,.88);
  backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);
  border:1px solid var(--line);border-radius:var(--r-pill);
  box-shadow:var(--sh-dock);
  padding:10px 12px 10px 18px;
  transition:padding .24s ease,box-shadow .24s ease,background-color .24s ease;
}
.dock.is-scrolled{padding:6px 10px 6px 14px;background:rgba(255,255,255,.92);box-shadow:0 10px 32px rgba(18,59,140,.18);}
.dock-logo{display:flex;align-items:center;gap:9px;color:var(--text);flex-shrink:0;}
.dock-logo__mark{
  width:30px;height:30px;border-radius:10px;flex-shrink:0;
  background:linear-gradient(150deg,var(--brand-light),var(--brand-dark));
  color:#fff;display:flex;align-items:center;justify-content:center;font-size:14px;
  box-shadow:0 4px 12px rgba(30,91,214,.28);
}
.dock-logo__text{font-size:16px;font-weight:700;letter-spacing:0;white-space:nowrap;}
.dock-nav{display:flex;align-items:center;gap:2px;flex:1;justify-content:center;}
.dock-link{
  position:relative;padding:9px 14px;border-radius:var(--r-pill);
  font-size:14.5px;color:var(--text-2);font-weight:500;white-space:nowrap;
}
.dock-link:hover{color:var(--brand);background:var(--brand-tint);}
.dock-link.is-active{color:var(--brand-dark);background:var(--brand-tint);font-weight:600;}
.dock-link.is-active::after{
  content:"";position:absolute;left:50%;bottom:3px;transform:translateX(-50%);
  width:4px;height:4px;border-radius:50%;background:var(--brand);
}
.dock-dropdown{position:relative;flex-shrink:0;}
.dock-drop-btn{
  display:inline-flex;align-items:center;gap:6px;
  padding:9px 14px;border-radius:var(--r-pill);font-size:14.5px;color:var(--text-2);font-weight:500;
}
.dock-drop-btn:hover{color:var(--brand);background:var(--brand-tint);}
.dock-drop-btn i{font-size:11px;transition:transform .2s ease;}
.dock-dropdown:hover .dock-drop-btn i{transform:rotate(180deg);}
.dock-drop-menu{
  position:absolute;top:calc(100% + 10px);left:50%;transform:translateX(-50%) translateY(6px);
  min-width:236px;background:#fff;border:1px solid var(--line);border-radius:var(--r-card);
  box-shadow:var(--sh-2);padding:8px;opacity:0;visibility:hidden;transition:.2s ease;
}
.dock-dropdown:hover .dock-drop-menu{opacity:1;visibility:visible;transform:translateX(-50%) translateY(0);}
.dock-drop-menu a{display:block;padding:10px 14px;border-radius:10px;font-size:14px;color:var(--text-2);}
.dock-drop-menu a:hover{background:var(--brand-tint);color:var(--brand-dark);}
.dock-icon-btn{
  width:38px;height:38px;border-radius:50%;flex-shrink:0;
  display:flex;align-items:center;justify-content:center;
  color:var(--text-2);border:1px solid transparent;
}
.dock-icon-btn:hover{background:var(--brand-tint);color:var(--brand);border-color:var(--brand-line);}
.dock-cta{flex-shrink:0;}
.dock-burger{
  display:none;width:38px;height:38px;border-radius:50%;
  align-items:center;justify-content:center;color:var(--text);border:1px solid var(--line);
}
.dock-search{
  pointer-events:auto;position:absolute;top:calc(100% + 10px);left:50%;transform:translateX(-50%);
  width:100%;max-width:560px;background:#fff;border:1px solid var(--line);
  border-radius:var(--r-card);box-shadow:var(--sh-2);padding:12px;
  display:none;
}
.dock-search.is-open{display:block;}
.dock-search form{display:flex;gap:10px;}
.dock-search input{
  flex:1;min-width:0;padding:11px 14px;border:1px solid var(--line);
  border-radius:var(--r-input);color:var(--text);background:#fff;
}
.dock-search input::placeholder{color:var(--text-3);}
.dock-search input:focus{outline:none;border-color:var(--brand);box-shadow:0 0 0 3px var(--brand-tint);}

/* 抽屉 */
.drawer-mask{
  position:fixed;inset:0;background:rgba(14,27,46,.42);z-index:95;
  opacity:0;visibility:hidden;transition:.24s ease;
}
.drawer-mask.is-open{opacity:1;visibility:visible;}
.drawer{
  position:fixed;top:0;right:0;bottom:0;width:min(88vw,340px);background:#fff;z-index:100;
  transform:translateX(100%);transition:transform .28s ease;
  display:flex;flex-direction:column;box-shadow:-12px 0 40px rgba(14,27,46,.16);
}
.drawer.is-open{transform:translateX(0);}
.drawer__head{display:flex;align-items:center;justify-content:space-between;padding:18px 20px;border-bottom:1px solid var(--line);}
.drawer__logo{display:flex;align-items:center;gap:9px;font-weight:700;color:var(--text);font-size:15px;}
.drawer__close{width:36px;height:36px;border-radius:50%;display:flex;align-items:center;justify-content:center;color:var(--text-2);border:1px solid var(--line);}
.drawer__body{padding:16px 20px;overflow-y:auto;flex:1;}
.drawer__group{margin-bottom:22px;}
.drawer__group h4{font-size:13px;color:var(--text-3);font-weight:600;margin-bottom:10px;letter-spacing:.04em;}
.drawer__body a{display:block;padding:11px 12px;border-radius:12px;color:var(--text-2);font-size:15px;}
.drawer__body a:hover{background:var(--brand-tint);color:var(--brand-dark);}
.drawer__foot{padding:16px 20px 24px;border-top:1px solid var(--line);}

/* ============ Hero ============ */
.hero{
  position:relative;overflow:hidden;
  padding:140px 0 76px;
  background-image:linear-gradient(155deg,rgba(240,245,255,.95) 0%,rgba(246,248,252,.92) 62%),url('/assets/images/backpic/back-1.png');
  background-size:cover;background-position:center;
}
.hero::after{
  content:"";position:absolute;right:-140px;top:-120px;width:460px;height:460px;border-radius:50%;
  background:radial-gradient(circle,rgba(60,123,238,.18),rgba(60,123,238,0) 68%);
  pointer-events:none;
}
.hero__inner{position:relative;z-index:2;}
.hero-grid{display:grid;grid-template-columns:7fr 5fr;gap:52px;align-items:center;min-height:520px;}
.hero__eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;color:var(--brand-dark);background:#fff;border:1px solid var(--brand-line);
  padding:7px 14px;border-radius:var(--r-pill);margin-bottom:20px;box-shadow:var(--sh-1);
}
.hero h1{max-width:14em;}
.hero__sub{margin-top:18px;font-size:18px;line-height:1.7;color:var(--text-2);max-width:32em;}
.hero__actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:30px;}
.hero__badges{display:flex;flex-wrap:wrap;gap:12px;margin-top:34px;}
.hero__badges li{
  display:inline-flex;align-items:center;gap:8px;
  background:rgba(255,255,255,.92);border:1px solid var(--brand-line);border-radius:var(--r-pill);
  padding:9px 15px;font-size:13.5px;color:var(--text-2);
}
.hero__badges i{color:var(--brand);font-size:13px;}
.login-preview{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);
  box-shadow:0 18px 48px rgba(18,59,140,.16);overflow:hidden;
}
.login-preview__bar{
  display:flex;align-items:center;gap:7px;padding:14px 18px;
  background:linear-gradient(180deg,#F7FAFF,#F0F5FF);border-bottom:1px solid var(--line);
}
.login-preview__bar span{width:10px;height:10px;border-radius:50%;background:#D7E2F5;}
.login-preview__bar span:nth-child(1){background:#E7B6B0;}
.login-preview__bar span:nth-child(2){background:#EBD3A6;}
.login-preview__bar span:nth-child(3){background:#B7DCC6;}
.login-preview__bar em{font-style:normal;font-size:13px;color:var(--text-3);margin-left:8px;}
.login-preview__body{padding:26px 24px 28px;}
.lp-field{margin-bottom:16px;}
.lp-label{display:block;font-size:13px;color:var(--text-3);margin-bottom:8px;}
.lp-placeholder{height:44px;border-radius:var(--r-input);background:linear-gradient(90deg,#F0F5FF,#E7EFFB);border:1px solid var(--line);}
.lp-placeholder--short{width:64%;}
.lp-btn{
  margin-top:22px;height:48px;border-radius:var(--r-input);
  background:linear-gradient(120deg,var(--brand-light),var(--brand));
  color:#fff;font-weight:600;display:flex;align-items:center;justify-content:center;font-size:15px;
  box-shadow:0 8px 20px rgba(30,91,214,.22);
}
.lp-hint{margin-top:14px;font-size:13px;color:var(--text-3);text-align:center;}

/* ============ 板块标题 ============ */
.section-head{max-width:720px;margin-bottom:48px;}
.section-head .kicker{
  display:inline-block;font-size:13px;font-weight:600;color:var(--brand);
  background:var(--brand-tint);border:1px solid var(--brand-line);
  padding:6px 13px;border-radius:var(--r-pill);margin-bottom:16px;
}
.section-head h2{margin-bottom:14px;}
.section-head p{font-size:16px;}
.section-head--row{
  display:flex;align-items:flex-end;justify-content:space-between;gap:28px;
  max-width:none;flex-wrap:wrap;
}

/* ============ 卖点区 ============ */
.feature-grid{display:grid;grid-template-columns:repeat(12,1fr);gap:24px;}
.feature{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);
  padding:28px;box-shadow:var(--sh-1);transition:transform .18s ease,box-shadow .18s ease;
  display:flex;flex-direction:column;
}
.feature:hover{transform:translateY(-2px);box-shadow:var(--sh-2);}
.feature--a{grid-column:span 7;}
.feature--b{grid-column:span 5;}
.feature--c{grid-column:span 5;}
.feature--d{grid-column:span 7;}
.feature__num{
  font-size:14px;font-weight:700;color:var(--brand);letter-spacing:.1em;
  font-variant-numeric:tabular-nums;
}
.feature h3{margin:12px 0 12px;}
.feature p{font-size:15.5px;line-height:1.8;}
.feature hr{border:0;border-top:1px solid var(--line);margin:20px 0 0;}
.feature__meta{margin-top:18px;font-size:13px;color:var(--text-3);}

/* ============ 演示区 ============ */
.demo-grid{display:grid;grid-template-columns:5fr 7fr;gap:44px;align-items:start;}
.steps{position:relative;}
.step{
  position:relative;padding:2px 0 28px 46px;cursor:pointer;
  transition:background-color .2s ease;
}
.step:last-child{padding-bottom:0;}
.step::before{
  content:"";position:absolute;left:15px;top:26px;bottom:0;width:2px;background:var(--brand-line);
}
.step:last-child::before{display:none;}
.step__dot{
  position:absolute;left:0;top:0;width:32px;height:32px;border-radius:50%;
  background:#fff;border:1px solid var(--brand-line);color:var(--brand);
  display:flex;align-items:center;justify-content:center;font-size:13px;font-weight:700;
  font-variant-numeric:tabular-nums;transition:.2s ease;
}
.step.is-active .step__dot{background:var(--brand);color:#fff;border-color:var(--brand);box-shadow:0 6px 16px rgba(30,91,214,.25);}
.step h3{font-size:18px;margin-bottom:8px;transition:color .2s ease;}
.step.is-active h3{color:var(--brand-dark);}
.step p{font-size:15px;line-height:1.8;}
.demo-shot{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);
  box-shadow:var(--sh-2);overflow:hidden;
}
.demo-shot img{width:100%;aspect-ratio:16/10;object-fit:cover;background:var(--brand-tint);}
.demo-shot__foot{padding:20px 24px 24px;display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;}
.demo-shot__foot p{font-size:14px;color:var(--text-3);}

/* ============ 证据区 ============ */
.stats{
  display:grid;grid-template-columns:repeat(4,1fr);gap:20px;
  background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);
  padding:34px 32px;box-shadow:var(--sh-1);
}
.stat__num{
  font-size:clamp(32px,3.4vw,46px);font-weight:700;color:var(--brand-dark);
  line-height:1.1;font-variant-numeric:tabular-nums;letter-spacing:-.01em;
}
.stat__label{margin-top:10px;font-size:14px;color:var(--text-3);}
.quotes{display:grid;grid-template-columns:4fr 8fr;gap:24px;margin-top:24px;}
.quote{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-card);
  padding:28px;box-shadow:var(--sh-1);
}
.quote--wide{background:linear-gradient(150deg,#FFFFFF, #F5F9FF);}
.quote__mark{color:var(--brand-line);font-size:26px;margin-bottom:10px;}
.quote p{font-size:15.5px;line-height:1.85;color:var(--text-2);}
.quote__by{margin-top:18px;font-size:13.5px;color:var(--text-3);}
.badges-band{
  display:flex;flex-wrap:wrap;gap:12px;align-items:center;
  margin-top:24px;padding:22px 26px;background:#fff;border:1px dashed var(--brand-line);
  border-radius:var(--r-card);
}
.badges-band span{
  display:inline-flex;align-items:center;gap:8px;font-size:13.5px;color:var(--text-2);
  background:var(--brand-tint);border-radius:var(--r-pill);padding:8px 15px;
}
.badges-band i{color:var(--teal);font-size:12px;}

/* ============ 资讯列表 ============ */
.cms-big{
  display:grid;grid-template-columns:6fr 6fr;background:#fff;border:1px solid var(--line);
  border-radius:var(--r-lg);overflow:hidden;box-shadow:var(--sh-1);color:inherit;
  transition:transform .18s ease,box-shadow .18s ease;
}
.cms-big:hover{transform:translateY(-2px);box-shadow:var(--sh-2);color:inherit;}
.cms-big__media{overflow:hidden;background:var(--brand-tint);}
.cms-big__media img{width:100%;height:100%;min-height:280px;object-fit:cover;transition:transform .35s ease;}
.cms-big:hover .cms-big__media img{transform:scale(1.03);}
.cms-big__body{padding:32px;display:flex;flex-direction:column;gap:14px;justify-content:center;}
.cms-big__body h3{font-size:22px;line-height:1.45;}
.cms-big:hover .cms-big__body h3{color:var(--brand);}
.cms-big__body p{font-size:15px;color:var(--text-2);display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;}
.cms-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:24px;margin-top:24px;}
.cms-card{
  display:flex;flex-direction:column;background:#fff;border:1px solid var(--line);
  border-radius:var(--r-card);overflow:hidden;box-shadow:var(--sh-1);color:inherit;
  transition:transform .18s ease,box-shadow .18s ease;
}
.cms-card:hover{transform:translateY(-2px);box-shadow:var(--sh-2);color:inherit;}
.cms-card__media{background:var(--brand-tint);overflow:hidden;}
.cms-card__media img{width:100%;aspect-ratio:16/10;object-fit:cover;transition:transform .35s ease;}
.cms-card:hover .cms-card__media img{transform:scale(1.03);}
.cms-card__body{padding:24px;display:flex;flex-direction:column;gap:12px;flex:1;}
.cms-card__body h3{font-size:18px;line-height:1.5;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.cms-card:hover .cms-card__body h3{color:var(--brand);}
.cms-card__body p{font-size:14.5px;color:var(--text-2);display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;}
.cms-meta{
  margin-top:auto;padding-top:14px;border-top:1px solid var(--line);
  display:flex;align-items:center;justify-content:space-between;gap:12px;
  font-size:13.5px;color:var(--text-3);
}
.empty-state{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);
  padding:56px 28px;text-align:center;box-shadow:var(--sh-1);
}
.empty-state i{font-size:32px;color:var(--brand-light);}
.empty-state p{margin:16px 0 22px;color:var(--text-3);}

/* ============ 价格 ============ */
.plans{display:grid;grid-template-columns:repeat(3,1fr);gap:28px;align-items:start;padding-top:18px;}
.plan{
  position:relative;background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);
  padding:32px 28px;box-shadow:var(--sh-1);display:flex;flex-direction:column;
  transition:transform .18s ease,box-shadow .18s ease;
}
.plan:hover{transform:translateY(-2px);box-shadow:var(--sh-2);}
.plan--featured{
  border:2px solid var(--brand);transform:translateY(-16px);
  box-shadow:0 16px 44px rgba(30,91,214,.16);
}
.plan--featured:hover{transform:translateY(-18px);}
.plan__flag{
  position:absolute;top:-13px;left:50%;transform:translateX(-50%);
  background:var(--gold);color:#fff;font-size:13px;font-weight:600;
  padding:6px 16px;border-radius:var(--r-pill);white-space:nowrap;
  box-shadow:0 6px 16px rgba(233,162,59,.3);
}
.plan__name{font-size:18px;font-weight:700;}
.plan__desc{margin-top:8px;font-size:14px;color:var(--text-3);}
.plan__price{
  margin-top:22px;font-size:clamp(38px,4vw,52px);font-weight:700;color:var(--brand-dark);
  line-height:1;font-variant-numeric:tabular-nums;
}
.plan__price small{font-size:14px;font-weight:500;color:var(--text-3);margin-left:6px;}
.plan__list{margin-top:24px;display:flex;flex-direction:column;gap:12px;}
.plan__list li{display:flex;gap:10px;font-size:15px;color:var(--text-2);line-height:1.6;}
.plan__list i{color:var(--teal);font-size:13px;margin-top:5px;}
.plan__foot{margin-top:28px;}
.plan__foot .btn{width:100%;}
.plans-note{margin-top:26px;font-size:13.5px;color:var(--text-3);text-align:center;}

/* ============ FAQ ============ */
.faq-wrap{max-width:760px;margin:0 auto;}
.rl-faq .accordion{background:transparent;border:0;border-radius:0;margin:0;}
.rl-faq .accordion-item{
  border:1px solid var(--line);border-radius:var(--r-card);background:#fff;
  margin-bottom:14px;box-shadow:var(--sh-1);overflow:hidden;
}
.rl-faq .accordion-title{
  border:0;border-bottom:0;background:transparent;color:var(--text);
  font-size:16.5px;font-weight:600;line-height:1.6;
  padding:20px 56px 20px 20px;position:relative;display:block;
  border-left:3px solid transparent;
}
.rl-faq .accordion-title:hover{color:var(--brand);background:#FBFDFF;}
.rl-faq .accordion-title::before{display:none;}
.rl-faq .accordion-title::after{
  content:"\f078";font-family:"Font Awesome 6 Free";font-weight:900;
  position:absolute;right:22px;top:50%;transform:translateY(-50%);
  font-size:12px;color:var(--brand);transition:transform .26s ease;
}
.rl-faq .accordion-item.is-active .accordion-title{color:var(--brand-dark);border-left-color:var(--brand);}
.rl-faq .accordion-item.is-active .accordion-title::after{transform:translateY(-50%) rotate(180deg);}
.rl-faq .accordion-content{
  border:0;background:transparent;color:var(--text-2);
  padding:0 24px 22px 20px;line-height:1.85;font-size:15px;
  border-left:3px solid var(--brand);
}

/* ============ 收尾 CTA ============ */
.cta-band{
  position:relative;overflow:hidden;color:#fff;
  background-image:linear-gradient(120deg,rgba(18,59,140,.94),rgba(30,91,214,.86)),url('/assets/images/backpic/back-2.png');
  background-size:cover;background-position:center;
}
.cta-band__inner{
  display:flex;align-items:center;justify-content:space-between;gap:32px;
  padding-top:64px;padding-bottom:64px;flex-wrap:wrap;
}
.cta-band h2{color:#fff;font-size:clamp(22px,2.4vw,28px);margin-bottom:12px;}
.cta-band p{color:rgba(255,255,255,.88);font-size:15.5px;max-width:44em;}
.cta-band__actions{display:flex;gap:14px;flex-wrap:wrap;}

/* ============ 浮动 CTA ============ */
.float-cta{
  position:fixed;right:24px;bottom:28px;z-index:80;
  display:flex;align-items:center;gap:10px;
  background:rgba(255,255,255,.94);backdrop-filter:blur(10px);
  border:1px solid var(--line);border-radius:var(--r-pill);
  padding:10px;box-shadow:var(--sh-dock);
  opacity:0;visibility:hidden;transform:translateY(14px);
  transition:opacity .28s ease,transform .28s ease,visibility .28s;
}
.float-cta.is-visible{opacity:1;visibility:visible;transform:translateY(0);}

/* ============ 页脚 ============ */
.site-footer{background:#0E1B2E;color:rgba(255,255,255,.72);padding:72px 0 0;}
.footer-grid{display:grid;grid-template-columns:4fr 3fr 3fr 2fr;gap:40px;}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:18px;color:#fff;font-weight:700;font-size:17px;}
.footer-brand__mark{
  width:32px;height:32px;border-radius:10px;display:flex;align-items:center;justify-content:center;
  background:linear-gradient(150deg,var(--brand-light),var(--brand));color:#fff;font-size:14px;flex-shrink:0;
}
.footer-col p{color:rgba(255,255,255,.66);font-size:14.5px;line-height:1.85;}
.footer-col h4{color:#fff;font-size:15px;margin-bottom:16px;font-weight:600;}
.footer-col li{margin-bottom:10px;}
.footer-col a{color:rgba(255,255,255,.72);font-size:14.5px;}
.footer-col a:hover{color:#fff;}
.footer-qr{
  width:96px;height:96px;border-radius:12px;background:rgba(255,255,255,.08);
  border:1px solid rgba(255,255,255,.16);
  display:flex;align-items:center;justify-content:center;color:rgba(255,255,255,.6);font-size:26px;
  margin-bottom:12px;
}
.footer-qr-note{font-size:13px;color:rgba(255,255,255,.55);}
.footer-bottom{
  margin-top:52px;padding:22px 0 88px;border-top:1px solid rgba(255,255,255,.12);
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13.5px;color:rgba(255,255,255,.55);
}
.footer-bottom a{color:rgba(255,255,255,.72);}
.footer-bottom a:hover{color:#fff;}

/* ============ 响应式 ============ */
@media (max-width:1199px){
  :root{--sec:88px;}
  .hero{padding-top:128px;}
}
@media (max-width:1023px){
  :root{--sec:80px;}
  .dock-nav{display:none;}
  .dock-dropdown{display:none;}
  .dock-search{display:none !important;}
  .dock-icon-btn{display:none;}
  .dock-burger{display:flex;}
  .dock{justify-content:space-between;padding:10px 12px;}
  .hero-grid{grid-template-columns:1fr;gap:40px;min-height:auto;}
  .hero h1{max-width:none;}
  .feature--a,.feature--b,.feature--c,.feature--d{grid-column:span 12;}
  .demo-grid{grid-template-columns:1fr;gap:32px;}
  .stats{grid-template-columns:repeat(2,1fr);gap:26px;}
  .quotes{grid-template-columns:1fr;}
  .cms-big{grid-template-columns:1fr;}
  .cms-big__media img{min-height:240px;}
  .plans{grid-template-columns:1fr;gap:24px;padding-top:0;}
  .plan--featured{transform:none;}
  .plan--featured:hover{transform:translateY(-2px);}
  .footer-grid{grid-template-columns:repeat(2,1fr);gap:32px;}
}
@media (max-width:767px){
  :root{--sec:64px;}
  .rl-container{padding:0 20px;}
  .hero{padding:118px 0 56px;}
  .hero__sub{font-size:16.5px;}
  .hero__actions .btn{flex:1;justify-content:center;}
  .stats{padding:26px 22px;}
  .cms-grid{grid-template-columns:1fr;}
  .section-head{margin-bottom:34px;}
  .section-head--row{align-items:flex-start;}
  .footer-grid{grid-template-columns:1fr;}
}
@media (max-width:639px){
  :root{--sec:56px;}
  .dock-logo__text{font-size:14.5px;max-width:9.5em;overflow:hidden;text-overflow:ellipsis;}
  .dock-cta{display:none;}
  .float-cta{
    left:0;right:0;bottom:0;border-radius:0;border-left:0;border-right:0;border-bottom:0;
    padding:10px 14px;justify-content:space-between;
  }
  .float-cta .btn{flex:1;justify-content:center;}
  body{padding-bottom:68px;}
  .site-footer{padding-bottom:0;}
  .footer-bottom{padding-bottom:88px;}
  .cta-band__inner{padding-top:52px;padding-bottom:52px;}
  .cta-band__actions{width:100%;}
  .cta-band__actions .btn{flex:1;justify-content:center;}
  .steps-scroll .step{padding-left:38px;}
}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto;}
  *,*::before,*::after{transition-duration:.01ms !important;animation-duration:.01ms !important;}
  .cms-big:hover,.cms-card:hover,.feature:hover,.plan:hover{transform:none;}
}

/* roulang page: article */
:root{
  --c-primary:#1E5BD6;
  --c-primary-dark:#123B8C;
  --c-primary-light:#3C7BEE;
  --c-primary-soft:#F0F5FF;
  --c-primary-line:#DCE8FD;
  --c-accent:#E9A23B;
  --c-accent-soft:#FDF1DC;
  --c-teal:#0E9E96;
  --bg:#F6F8FC;
  --surface:#FFFFFF;
  --line:#E4EAF2;
  --t1:#0E1B2E;
  --t2:#33465E;
  --t3:#6B7C93;
  --ok:#1F9D6B;
  --warn:#D9822B;
  --err:#D64545;
  --radius-card:16px;
  --radius-lg:20px;
  --radius-sm:12px;
  --radius-pill:999px;
  --shadow-1:0 1px 2px rgba(14,27,46,.04),0 2px 8px rgba(14,27,46,.05);
  --shadow-2:0 4px 12px rgba(14,27,46,.06),0 12px 32px rgba(14,27,46,.07);
  --shadow-dock:0 8px 28px rgba(18,59,140,.12);
  --sec-gap:104px;
  --font-cn:"PingFang SC","HarmonyOS Sans SC","Source Han Sans SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  padding:96px 0 0;
  font-family:var(--font-cn);
  font-size:16px;
  line-height:1.75;
  color:var(--t2);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
body.no-scroll{overflow:hidden;}
h1,h2,h3,h4{margin:0;color:var(--t1);font-weight:700;line-height:1.3;}
h1{font-size:clamp(30px,4vw,40px);line-height:1.25;}
h2{font-size:clamp(24px,3vw,30px);}
h3{font-size:clamp(19px,2.2vw,22px);}
p{margin:0;}
a{color:var(--c-primary);text-decoration:none;transition:color .18s ease;}
a:hover{color:var(--c-primary-dark);}
img{max-width:100%;display:block;}
ul,ol{margin:0;padding:0;list-style:none;}
button{font-family:inherit;}
:focus-visible{outline:2px solid var(--c-accent);outline-offset:2px;border-radius:6px;}
.rl-container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px;}
.sec{padding:var(--sec-gap) 0;}
.sec--tight{padding:calc(var(--sec-gap) * .6) 0;}
.sec-head{margin-bottom:40px;max-width:760px;}
.sec-head .eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:600;color:var(--c-primary-dark);
  background:var(--c-primary-soft);border:1px solid var(--c-primary-line);
  border-radius:var(--radius-pill);padding:5px 14px;margin-bottom:16px;
}
.sec-head p{margin-top:14px;color:var(--t3);font-size:16px;}

/* ============ Dock 导航 ============ */
.dock{
  position:fixed;top:16px;left:50%;transform:translateX(-50%);
  width:calc(100% - 32px);max-width:1080px;
  display:flex;align-items:center;gap:18px;
  padding:12px 16px 12px 20px;
  background:rgba(255,255,255,.88);
  -webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);
  border:1px solid var(--line);border-radius:var(--radius-pill);
  box-shadow:var(--shadow-dock);
  z-index:900;
  transition:padding .22s ease, box-shadow .22s ease, background-color .22s ease;
}
.dock.is-scrolled{
  padding:8px 14px 8px 18px;
  background:rgba(255,255,255,.92);
  box-shadow:0 10px 34px rgba(18,59,140,.18);
}
.dock-logo{display:flex;align-items:center;gap:10px;flex:none;}
.dock-logo__mark{
  width:30px;height:30px;flex:none;display:grid;place-items:center;
  border-radius:10px;color:#fff;font-size:14px;
  background:linear-gradient(135deg,var(--c-primary),var(--c-primary-dark));
}
.dock-logo__text{font-size:16px;font-weight:700;color:var(--t1);letter-spacing:.2px;}
.dock-nav{display:flex;align-items:center;gap:4px;margin-left:6px;}
.dock-link{
  position:relative;font-size:15px;color:var(--t2);font-weight:500;
  padding:8px 12px;border-radius:var(--radius-pill);
}
.dock-link::after{
  content:"";position:absolute;left:50%;bottom:2px;width:4px;height:4px;
  border-radius:50%;background:var(--c-primary);transform:translateX(-50%) scale(0);
  transition:transform .18s ease;
}
.dock-link:hover{color:var(--c-primary);background:var(--c-primary-soft);}
.dock-link:hover::after,.dock-link.is-active::after{transform:translateX(-50%) scale(1);}
.dock-link.is-active{color:var(--c-primary-dark);background:var(--c-primary-soft);}
.dock-dropdown{position:relative;}
.dock-drop-btn{
  display:inline-flex;align-items:center;gap:7px;
  font-size:15px;color:var(--t2);font-weight:500;cursor:pointer;
  background:transparent;border:0;padding:8px 12px;border-radius:var(--radius-pill);
}
.dock-drop-btn i{font-size:11px;color:var(--t3);transition:transform .18s ease;}
.dock-dropdown:hover .dock-drop-btn{color:var(--c-primary);background:var(--c-primary-soft);}
.dock-dropdown:hover .dock-drop-btn i{transform:rotate(180deg);}
.dock-drop-menu{
  position:absolute;top:calc(100% + 12px);left:50%;transform:translate(-50%,8px);
  min-width:250px;background:var(--surface);border:1px solid var(--line);
  border-radius:var(--radius-card);box-shadow:var(--shadow-2);padding:8px;
  opacity:0;visibility:hidden;transition:opacity .18s ease,transform .18s ease,visibility .18s;
}
.dock-dropdown:hover .dock-drop-menu{opacity:1;visibility:visible;transform:translate(-50%,0);}
.dock-drop-menu a{
  display:block;font-size:14px;color:var(--t2);padding:10px 12px;border-radius:10px;
}
.dock-drop-menu a:hover{background:var(--c-primary-soft);color:var(--c-primary-dark);}
.dock-icon-btn{
  margin-left:auto;width:38px;height:38px;flex:none;display:grid;place-items:center;
  border-radius:50%;border:1px solid var(--line);background:var(--surface);
  color:var(--t2);cursor:pointer;transition:all .18s ease;
}
.dock-icon-btn:hover{color:var(--c-primary);border-color:var(--c-primary-line);background:var(--c-primary-soft);}
.dock-burger{
  display:none;width:38px;height:38px;flex:none;place-items:center;
  border-radius:50%;border:1px solid var(--line);background:var(--surface);
  color:var(--t1);cursor:pointer;
}

/* 按钮 */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  font-size:15px;font-weight:600;line-height:1;
  padding:13px 24px;border-radius:var(--radius-pill);
  border:1px solid transparent;cursor:pointer;
  transition:transform .18s ease,background-color .18s ease,color .18s ease,border-color .18s ease,box-shadow .18s ease;
}
.btn--primary{background:var(--c-primary);color:#fff;box-shadow:0 6px 18px rgba(30,91,214,.22);}
.btn--primary:hover{background:var(--c-primary-dark);color:#fff;transform:translateY(-1px);}
.btn--ghost{background:var(--surface);color:var(--c-primary-dark);border-color:var(--c-primary-line);}
.btn--ghost:hover{background:var(--c-primary-soft);border-color:var(--c-primary-light);}
.btn--accent{background:var(--accent-soft,#FDF1DC);color:#8a5a10;border-color:#F2DDB4;}
.btn--accent:hover{background:#FBE7C6;color:#6f4710;}
.btn--sm{padding:9px 18px;font-size:14px;}
.btn--text{padding:0;border:0;background:transparent;color:var(--c-primary);font-weight:600;}
.btn--text:hover{color:var(--c-primary-dark);}
.btn--text i{margin-left:2px;font-size:12px;transition:transform .18s ease;}
.btn--text:hover i{transform:translateX(3px);}
.dock-cta{margin-left:8px;flex:none;}

/* 搜索面板 */
.search-panel{
  position:fixed;top:88px;left:50%;transform:translate(-50%,-12px);
  width:calc(100% - 32px);max-width:620px;background:var(--surface);
  border:1px solid var(--line);border-radius:var(--radius-card);
  box-shadow:var(--shadow-2);padding:16px;z-index:880;
  opacity:0;visibility:hidden;transition:all .2s ease;
}
.search-panel.is-open{opacity:1;visibility:visible;transform:translate(-50%,0);}
.search-panel form{display:flex;gap:10px;}
.search-panel input{
  flex:1;font-family:inherit;font-size:15px;color:var(--t1);
  padding:12px 16px;border:1px solid var(--line);border-radius:var(--radius-sm);
  background:#fff;
}
.search-panel input::placeholder{color:var(--t3);}
.search-panel input:focus{outline:none;border-color:var(--c-primary);box-shadow:0 0 0 3px var(--c-primary-soft);}
.search-hint{margin-top:10px;font-size:13px;color:var(--t3);}

/* 抽屉 */
.drawer-mask{
  position:fixed;inset:0;background:rgba(14,27,46,.42);z-index:940;
  opacity:0;visibility:hidden;transition:all .22s ease;
}
.drawer-mask.is-open{opacity:1;visibility:visible;}
.mobile-drawer{
  position:fixed;top:0;right:0;height:100%;width:308px;max-width:86vw;
  background:var(--surface);z-index:960;padding:22px 20px 32px;
  transform:translateX(102%);transition:transform .26s ease;
  overflow-y:auto;box-shadow:-12px 0 40px rgba(14,27,46,.14);
}
.mobile-drawer.is-open{transform:translateX(0);}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:22px;}
.drawer-head strong{font-size:16px;color:var(--t1);}
.drawer-close{
  width:36px;height:36px;border-radius:50%;border:1px solid var(--line);
  background:#fff;color:var(--t2);cursor:pointer;
}
.drawer-title{font-size:12px;font-weight:700;letter-spacing:.08em;color:var(--t3);margin:18px 0 10px;}
.drawer-link{
  display:flex;align-items:center;justify-content:space-between;
  padding:12px 14px;border-radius:var(--radius-sm);font-size:15px;color:var(--t2);
}
.drawer-link:hover{background:var(--c-primary-soft);color:var(--c-primary-dark);}
.drawer-link.is-active{background:var(--c-primary-soft);color:var(--c-primary-dark);font-weight:600;}
.mobile-drawer .btn{width:100%;margin-top:20px;}

/* ============ 面包屑 ============ */
.crumb-bar{padding:26px 0 0;}
.breadcrumb{
  display:flex;align-items:center;flex-wrap:wrap;gap:8px;
  font-size:13.5px;color:var(--t3);
}
.breadcrumb a{color:var(--t3);}
.breadcrumb a:hover{color:var(--c-primary);}
.breadcrumb .sep{color:#C3CEDD;}
.breadcrumb .current{
  color:var(--t2);max-width:320px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;
}

/* ============ 文章头区 ============ */
.article-hero{padding:26px 0 0;}
.article-hero__inner{max-width:880px;}
.article-hero h1{margin-bottom:18px;}
.meta-bar{
  display:flex;flex-wrap:wrap;align-items:center;gap:10px 18px;
  font-size:14px;color:var(--t3);
}
.meta-bar .meta-item{display:inline-flex;align-items:center;gap:7px;}
.meta-bar i{color:var(--c-primary);font-size:13px;}
.meta-chip{
  display:inline-flex;align-items:center;gap:6px;font-size:13px;font-weight:600;
  color:#0B6E68;background:#E2F5F3;border:1px solid #C3EBE7;
  border-radius:var(--radius-pill);padding:4px 12px;
}
.article-cover{
  margin:32px 0 0;border-radius:var(--radius-lg);overflow:hidden;
  box-shadow:var(--shadow-1);background:var(--c-primary-soft);
}
.article-cover img{width:100%;aspect-ratio:21/9;object-fit:cover;}

/* ============ 正文 ============ */
.article-main{padding:56px 0 0;}
.article-body{
  max-width:760px;margin:0 auto;font-size:16px;line-height:1.9;color:var(--t2);
}
.article-body p{margin:0 0 1.1em;}
.article-body h2{
  position:relative;padding-left:16px;margin:44px 0 16px;font-size:clamp(21px,2.4vw,26px);
}
.article-body h2::before{
  content:"";position:absolute;left:0;top:.28em;width:4px;height:20px;
  border-radius:2px;background:var(--c-primary);
}
.article-body h3{margin:34px 0 12px;font-size:19px;font-weight:700;color:var(--t1);}
.article-body h4{margin:24px 0 10px;font-size:16.5px;color:var(--t1);}
.article-body ul,.article-body ol{margin:0 0 1.1em;padding-left:22px;}
.article-body ul li,.article-body ol li{margin-bottom:9px;position:relative;}
.article-body ul{list-style:none;padding-left:20px;}
.article-body ul li::before{
  content:"";position:absolute;left:-18px;top:.72em;width:7px;height:7px;
  border-radius:50%;background:var(--c-primary-line);border:2px solid var(--c-primary);
}
.article-body ol{list-style:decimal;}
.article-body ol li::marker{color:var(--c-primary);font-weight:700;}
.article-body blockquote{
  margin:26px 0;padding:18px 22px;background:var(--c-primary-soft);
  border-left:3px solid var(--c-primary);border-radius:0 var(--radius-sm) var(--radius-sm) 0;
  color:var(--t2);
}
.article-body blockquote p:last-child{margin-bottom:0;}
.article-body img{
  width:100%;border-radius:var(--radius-sm);box-shadow:var(--shadow-1);margin:26px 0 8px;
}
.article-body figure{margin:26px 0;}
.article-body figcaption{
  text-align:center;font-size:13px;color:var(--t3);margin-top:10px;
}
.article-body table{
  width:100%;border-collapse:collapse;margin:26px 0;font-size:15px;
  background:var(--surface);border-radius:var(--radius-sm);overflow:hidden;
}
.article-body thead th{
  background:var(--c-primary-soft);color:var(--c-primary-dark);
  font-weight:600;text-align:left;
}
.article-body th,.article-body td{padding:13px 16px;border-bottom:1px solid var(--line);color:var(--t2);}
.article-body tbody tr:last-child td{border-bottom:0;}
.article-body strong{color:var(--t1);}
.article-body a{border-bottom:1px solid var(--c-primary-line);}
.article-body a:hover{border-bottom-color:var(--c-primary);}
.empty-state{
  max-width:760px;margin:0 auto;text-align:center;background:var(--c-primary-soft);
  border:1px dashed var(--c-primary-line);border-radius:var(--radius-card);padding:56px 28px;
}
.empty-state .empty-icon{
  width:56px;height:56px;margin:0 auto 18px;border-radius:50%;
  display:grid;place-items:center;background:#fff;color:var(--c-primary);
  font-size:22px;box-shadow:var(--shadow-1);
}
.empty-state h2{font-size:22px;margin-bottom:10px;}
.empty-state p{color:var(--t3);margin-bottom:22px;}

/* 文末 */
.article-foot{max-width:760px;margin:44px auto 0;padding-top:26px;border-top:1px solid var(--line);}
.tag-row{display:flex;flex-wrap:wrap;gap:10px;align-items:center;margin-bottom:22px;}
.tag{
  display:inline-flex;align-items:center;gap:6px;font-size:13px;
  color:var(--c-primary-dark);background:var(--c-primary-soft);
  border:1px solid var(--c-primary-line);border-radius:var(--radius-pill);padding:5px 13px;
}
.tag--teal{color:#0B6E68;background:#E2F5F3;border-color:#C3EBE7;}
.article-actions{display:flex;flex-wrap:wrap;gap:14px;align-items:center;justify-content:space-between;}
.pager{display:flex;gap:12px;flex-wrap:wrap;}
.pager a{
  display:inline-flex;align-items:center;gap:8px;font-size:14px;color:var(--t2);
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-pill);
  padding:9px 16px;box-shadow:var(--shadow-1);
}
.pager a:hover{border-color:var(--c-primary-line);color:var(--c-primary);}

/* ============ 相关推荐 ============ */
.post-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.post-card{
  position:relative;display:flex;flex-direction:column;background:var(--surface);
  border:1px solid var(--line);border-radius:var(--radius-card);overflow:hidden;
  box-shadow:var(--shadow-1);transition:transform .18s ease,box-shadow .18s ease,border-color .18s ease;
}
.post-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-2);border-color:var(--c-primary-line);}
.post-card__media{position:relative;background:var(--c-primary-soft);}
.post-card__media img{width:100%;aspect-ratio:16/10;object-fit:cover;}
.post-card__body{padding:22px 24px 24px;display:flex;flex-direction:column;flex:1;}
.post-card__tag{
  position:absolute;left:14px;top:14px;font-size:12.5px;font-weight:600;
  color:#0B6E68;background:rgba(255,255,255,.94);border-radius:var(--radius-pill);
  padding:4px 12px;
}
.post-card h3{font-size:17.5px;line-height:1.5;margin-bottom:10px;}
.post-card h3 a{color:var(--t1);}
.post-card h3 a:hover{color:var(--c-primary);text-decoration:underline;text-underline-offset:3px;}
.post-card p{
  font-size:14.5px;color:var(--t3);margin-bottom:18px;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.post-card__foot{
  margin-top:auto;display:flex;align-items:center;justify-content:space-between;
  font-size:13.5px;color:var(--t3);padding-top:16px;border-top:1px solid var(--line);
}
.post-card__link{font-weight:600;color:var(--c-primary);}
.post-card__link i{font-size:11px;margin-left:3px;transition:transform .18s ease;}
.post-card:hover .post-card__link i{transform:translateX(3px);}

/* ============ 收尾 CTA ============ */
.cta-band{
  position:relative;overflow:hidden;border-radius:var(--radius-lg);
  padding:52px 48px;color:#fff;
  background-image:linear-gradient(120deg,rgba(18,59,140,.93),rgba(30,91,214,.86)),url('/assets/images/backpic/back-1.png');
  background-size:cover;background-position:center;
  display:flex;align-items:center;justify-content:space-between;gap:32px;flex-wrap:wrap;
}
.cta-band h2{color:#fff;font-size:clamp(22px,2.6vw,28px);margin-bottom:10px;}
.cta-band p{color:rgba(255,255,255,.9);font-size:15.5px;max-width:560px;}
.cta-band .btn--primary{background:#fff;color:var(--c-primary-dark);box-shadow:0 8px 22px rgba(0,0,0,.18);}
.cta-band .btn--primary:hover{background:#F0F5FF;color:var(--c-primary-dark);}

/* ============ 页脚 ============ */
.site-footer{background:#0E1B2E;color:#B9C6D8;margin-top:var(--sec-gap);padding:68px 0 34px;}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:40px;}
.footer-brand{display:flex;align-items:center;gap:10px;font-size:17px;font-weight:700;color:#fff;margin-bottom:16px;}
.footer-brand__mark{
  width:30px;height:30px;display:grid;place-items:center;border-radius:10px;
  background:linear-gradient(135deg,var(--c-primary),var(--c-primary-light));color:#fff;font-size:13px;
}
.footer-col p{font-size:14px;line-height:1.85;color:#93A3B9;}
.footer-col h4{font-size:15px;color:#fff;margin-bottom:18px;font-weight:600;}
.footer-col ul li{margin-bottom:11px;}
.footer-col ul a{font-size:14px;color:#A9B8CC;}
.footer-col ul a:hover{color:#fff;}
.footer-qr{
  width:96px;height:96px;border-radius:14px;display:grid;place-items:center;
  background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.12);
  color:#DCE8FD;font-size:34px;margin-bottom:12px;
}
.footer-qr-note{font-size:13px;color:#8C9CB2;line-height:1.75;}
.footer-bottom{
  margin-top:52px;padding-top:24px;border-top:1px solid rgba(255,255,255,.1);
  display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;
  font-size:13px;color:#8194AC;
}
.footer-bottom a{color:#A9B8CC;}
.footer-bottom a:hover{color:#fff;}

/* ============ 浮动 CTA ============ */
.float-cta{
  position:fixed;right:24px;bottom:24px;z-index:850;
  display:flex;gap:12px;align-items:center;
  opacity:0;visibility:hidden;transform:translateY(14px);
  transition:opacity .24s ease,transform .24s ease,visibility .24s;
}
.float-cta.is-visible{opacity:1;visibility:visible;transform:translateY(0);}
.float-cta .btn--ghost{box-shadow:var(--shadow-2);}
.float-cta .btn--primary{box-shadow:0 10px 26px rgba(30,91,214,.3);}

/* ============ 响应式 ============ */
@media (max-width:1200px){
  :root{--sec-gap:88px;}
}
@media (max-width:1024px){
  :root{--sec-gap:80px;}
  .dock-nav,.dock-dropdown{display:none;}
  .dock-burger{display:grid;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:34px;}
  .post-grid{grid-template-columns:1fr 1fr;}
  .cta-band{padding:44px 34px;}
}
@media (max-width:768px){
  body{padding-top:88px;}
  .rl-container{padding:0 20px;}
  .dock{gap:10px;padding:10px 12px 10px 14px;}
  .dock-logo__text{font-size:15px;}
  .dock-cta{display:none;}
  .article-cover img{aspect-ratio:16/10;}
  .article-body h2{margin-top:36px;}
  .article-body table,.article-body thead,.article-body tbody,.article-body tr,.article-body th,.article-body td{display:block;}
  .article-body thead{display:none;}
  .article-body tr{
    border:1px solid var(--line);border-radius:var(--radius-sm);
    margin-bottom:14px;overflow:hidden;background:#fff;
  }
  .article-body td{border-bottom:1px solid var(--line);}
  .article-body tr td:last-child{border-bottom:0;}
}
@media (max-width:640px){
  :root{--sec-gap:56px;}
  body{padding-bottom:76px;}
  .post-grid{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr;gap:28px;}
  .footer-bottom{flex-direction:column;gap:8px;}
  .cta-band{padding:34px 24px;border-radius:var(--radius-card);}
  .cta-band .btn{width:100%;}
  .float-cta{
    left:0;right:0;bottom:0;transform:translateY(100%);
    background:rgba(255,255,255,.96);
    -webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);
    border-top:1px solid var(--line);
    padding:10px 16px;height:64px;justify-content:space-between;gap:10px;
    box-shadow:0 -6px 24px rgba(14,27,46,.08);
  }
  .float-cta.is-visible{transform:translateY(0);}
  .float-cta .btn{flex:1;padding:11px 12px;font-size:14px;}
  .float-cta .btn--ghost{flex:0 0 46px;padding:11px 0;}
  .float-cta .btn--ghost span{display:none;}
  .search-panel{top:80px;}
}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto;}
  *,*::before,*::after{transition-duration:.001ms !important;animation-duration:.001ms !important;}
  .post-card:hover{transform:none;}
}

/* roulang page: category1 */
:root{
  --brand:#1E5BD6;
  --brand-deep:#123B8C;
  --brand-light:#3C7BEE;
  --brand-tint:#F0F5FF;
  --brand-line:#DCE8FD;
  --gold:#E9A23B;
  --gold-tint:#FDF1DC;
  --teal:#0E9E96;
  --bg:#F6F8FC;
  --surface:#FFFFFF;
  --line:#E4EAF2;
  --text:#0E1B2E;
  --text-2:#33465E;
  --text-3:#6B7C93;
  --white:#FFFFFF;
  --ok:#1F9D6B;
  --warn:#D9822B;
  --err:#D64545;
  --r-card:16px;
  --r-big:20px;
  --r-pill:999px;
  --r-input:12px;
  --sh-1:0 1px 2px rgba(14,27,46,.04), 0 2px 8px rgba(14,27,46,.05);
  --sh-2:0 4px 12px rgba(14,27,46,.06), 0 12px 32px rgba(14,27,46,.07);
  --sh-dock:0 8px 28px rgba(18,59,140,.12);
  --sec:104px;
  --mono:ui-monospace,SFMono-Regular,"SF Mono",Menlo,Consolas,"Liberation Mono",monospace;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;scroll-padding-top:110px}
body{
  margin:0;
  font-family:"PingFang SC","HarmonyOS Sans SC","Source Han Sans SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  font-size:16px;
  line-height:1.75;
  color:var(--text);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;height:auto}
a{color:var(--brand);text-decoration:none;transition:color .18s ease-out}
a:hover{color:var(--brand-deep)}
button,input,select,textarea{font-family:inherit;font-size:inherit}
:focus-visible{outline:2px solid var(--gold);outline-offset:2px;border-radius:6px}
h1,h2,h3,h4{margin:0;color:var(--text);font-weight:700;letter-spacing:0}
h1{font-size:clamp(30px,4.4vw,40px);line-height:1.25}
h2{font-size:clamp(24px,3vw,30px);line-height:1.32}
h3{font-size:clamp(19px,2.2vw,22px);line-height:1.42}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
.rl-container{width:min(1200px,calc(100% - 48px));margin-inline:auto}
.section{padding-block:var(--sec)}
.section--tint{background:linear-gradient(180deg,#FFFFFF 0%,var(--brand-tint) 100%)}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:600;color:var(--brand-deep);
  background:var(--brand-tint);border:1px solid var(--brand-line);
  padding:6px 14px;border-radius:var(--r-pill);margin-bottom:16px;
}
.sec-head{max-width:760px;margin-bottom:44px}
.sec-head p{margin-top:14px;color:var(--text-2);font-size:16px}
.sec-head--center{margin-inline:auto;text-align:center}

/* ---------- Dock ---------- */
.dock{
  position:fixed;top:16px;left:50%;transform:translateX(-50%);
  width:min(1080px,calc(100% - 32px));
  display:flex;align-items:center;gap:12px;
  padding:10px 14px;border-radius:var(--r-pill);
  background:rgba(255,255,255,.88);
  border:1px solid var(--line);
  box-shadow:var(--sh-dock);
  backdrop-filter:blur(10px);
  z-index:60;
  transition:padding .22s ease-out,box-shadow .22s ease-out,background .22s ease-out;
}
.dock.is-scrolled{padding:6px 12px;background:rgba(255,255,255,.92);box-shadow:0 10px 30px rgba(18,59,140,.18)}
.dock-logo{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.dock-logo__mark{
  width:32px;height:32px;border-radius:10px;display:grid;place-items:center;
  background:linear-gradient(135deg,var(--brand) 0%,var(--brand-light) 100%);
  color:#fff;font-size:14px;box-shadow:0 4px 12px rgba(30,91,214,.28);
}
.dock-logo__text{font-size:15px;font-weight:700;color:var(--text);white-space:nowrap}
.dock-nav{display:flex;align-items:center;gap:2px;margin-inline:auto}
.dock-link{
  position:relative;padding:8px 14px;border-radius:var(--r-pill);
  font-size:14px;font-weight:500;color:var(--text-2);
}
.dock-link:hover{color:var(--brand);background:var(--brand-tint)}
.dock-link.is-active{color:var(--brand-deep);background:var(--brand-tint);font-weight:600}
.dock-link.is-active::after{
  content:"";position:absolute;left:50%;bottom:2px;transform:translateX(-50%);
  width:4px;height:4px;border-radius:50%;background:var(--brand);
}
.dock-dropdown{position:relative;flex:0 0 auto}
.dock-drop-btn{
  display:inline-flex;align-items:center;gap:6px;
  padding:8px 14px;border-radius:var(--r-pill);
  background:transparent;border:1px solid var(--line);
  font-size:14px;font-weight:500;color:var(--text-2);cursor:pointer;
  transition:all .18s ease-out;
}
.dock-drop-btn:hover{border-color:var(--brand-line);color:var(--brand);background:var(--brand-tint)}
.dock-drop-btn i{font-size:11px}
.dock-drop-menu{
  position:absolute;top:calc(100% + 12px);left:50%;
  transform:translateX(-50%) translateY(-6px);
  min-width:236px;background:#fff;border:1px solid var(--line);
  border-radius:14px;box-shadow:var(--sh-2);padding:8px;
  opacity:0;visibility:hidden;transition:all .18s ease-out;
}
.dock-dropdown:hover .dock-drop-menu,
.dock-dropdown:focus-within .dock-drop-menu{opacity:1;visibility:visible;transform:translateX(-50%) translateY(0)}
.dock-drop-menu a{
  display:block;padding:10px 12px;border-radius:10px;
  font-size:14px;color:var(--text-2);
}
.dock-drop-menu a:hover{background:var(--brand-tint);color:var(--brand-deep)}
.dock-drop-menu a.is-active{background:var(--brand-tint);color:var(--brand-deep);font-weight:600}
.dock-icon-btn{
  width:38px;height:38px;flex:0 0 auto;border-radius:50%;
  border:1px solid var(--line);background:#fff;color:var(--text-2);
  cursor:pointer;transition:all .18s ease-out;
}
.dock-icon-btn:hover{border-color:var(--brand-line);color:var(--brand);background:var(--brand-tint)}
.dock-cta{flex:0 0 auto}
.dock-burger{
  display:none;width:38px;height:38px;border-radius:50%;
  border:1px solid var(--line);background:#fff;color:var(--text);cursor:pointer;
}
.drawer-mask{
  position:fixed;inset:0;background:rgba(14,27,46,.45);
  opacity:0;visibility:hidden;transition:all .24s ease-out;z-index:70;
}
.drawer-mask.is-open{opacity:1;visibility:visible}
.dock-drawer{
  position:fixed;top:0;right:0;height:100%;width:min(320px,84%);
  background:#fff;z-index:80;padding:26px 22px 40px;
  transform:translateX(102%);transition:transform .28s ease-out;
  overflow-y:auto;box-shadow:-12px 0 40px rgba(14,27,46,.14);
}
.dock-drawer.is-open{transform:none}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:24px}
.drawer-close{
  width:36px;height:36px;border-radius:50%;border:1px solid var(--line);
  background:#fff;color:var(--text-2);cursor:pointer;
}
.drawer-title{font-size:13px;font-weight:700;color:var(--text-3);letter-spacing:.04em;margin:22px 0 10px}
.drawer-nav a{
  display:block;padding:12px 14px;border-radius:12px;
  font-size:15px;color:var(--text-2);background:var(--bg);margin-bottom:8px;
}
.drawer-nav a:hover,.drawer-nav a.is-active{background:var(--brand-tint);color:var(--brand-deep);font-weight:600}
.drawer-cta{margin-top:22px;display:block;text-align:center}

/* ---------- Buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:13px 26px;border-radius:var(--r-pill);
  font-size:15px;font-weight:600;line-height:1;
  border:1px solid transparent;cursor:pointer;white-space:nowrap;
  transition:all .18s ease-out;
}
.btn--primary{background:var(--brand);color:#fff;box-shadow:0 6px 18px rgba(30,91,214,.24)}
.btn--primary:hover{background:var(--brand-deep);color:#fff;transform:translateY(-1px);box-shadow:0 10px 24px rgba(18,59,140,.26)}
.btn--ghost{background:#fff;color:var(--brand);border-color:var(--brand-line)}
.btn--ghost:hover{background:var(--brand-tint);color:var(--brand-deep);border-color:var(--brand-light)}
.btn--gold{background:#fff;color:#8A5B12;border-color:var(--gold)}
.btn--gold:hover{background:var(--gold-tint);color:#6F480C}
.btn--onlight{background:#fff;color:var(--brand-deep)}
.btn--onlight:hover{background:var(--brand-tint);color:var(--brand-deep)}
.btn--outline-light{background:transparent;color:#fff;border-color:rgba(255,255,255,.7)}
.btn--outline-light:hover{background:rgba(255,255,255,.14);color:#fff;border-color:#fff}
.btn--sm{padding:9px 18px;font-size:14px}
.btn--lg{padding:16px 34px;font-size:16px}
.btn--text{background:none;border:none;padding:0;color:var(--brand);font-weight:600;display:inline-flex;align-items:center;gap:6px}
.btn--text:hover{color:var(--brand-deep)}
.btn--text i{font-size:12px;transition:transform .18s ease-out}
.btn--text:hover i{transform:translateX(3px)}

/* ---------- Hero ---------- */
.cat-hero{
  position:relative;
  padding:150px 0 96px;
  background:
    linear-gradient(115deg,rgba(18,59,140,.94) 0%,rgba(30,91,214,.86) 52%,rgba(60,123,238,.72) 100%),
    url("/assets/images/backpic/back-2.webp") center/cover no-repeat;
  color:#fff;overflow:hidden;
}
.cat-hero::after{
  content:"";position:absolute;right:-140px;bottom:-180px;width:520px;height:520px;border-radius:50%;
  background:radial-gradient(circle,rgba(255,255,255,.16) 0%,rgba(255,255,255,0) 68%);
}
.cat-hero .rl-container{position:relative;z-index:2}
.crumb{display:flex;align-items:center;gap:8px;font-size:14px;color:rgba(255,255,255,.8);margin-bottom:22px;flex-wrap:wrap}
.crumb a{color:rgba(255,255,255,.9)}
.crumb a:hover{color:#fff;text-decoration:underline}
.crumb span{opacity:.6}
.crumb .current{color:#fff;font-weight:600}
.cat-hero h1{color:#fff;max-width:820px}
.cat-hero__lead{max-width:720px;margin-top:20px;font-size:17px;line-height:1.85;color:rgba(255,255,255,.9)}
.cat-hero__actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:34px}
.hero-badges{display:flex;flex-wrap:wrap;gap:12px;margin-top:34px}
.hero-badge{
  display:inline-flex;align-items:center;gap:8px;
  padding:8px 16px;border-radius:var(--r-pill);
  background:rgba(255,255,255,.14);border:1px solid rgba(255,255,255,.28);
  font-size:13px;color:#fff;
}
.hero-badge i{color:var(--gold);font-size:12px}

/* ---------- Steps ---------- */
.steps-layout{display:grid;grid-template-columns:1.55fr .95fr;gap:36px;align-items:start}
.step-list{background:#fff;border:1px solid var(--line);border-radius:var(--r-big);box-shadow:var(--sh-1);padding:8px 30px 14px}
.step{
  display:grid;grid-template-columns:66px 1fr;gap:20px;
  padding:26px 0;border-bottom:1px solid var(--line);
}
.step:last-child{border-bottom:none}
.step__num{
  font-size:28px;font-weight:700;line-height:1.1;color:var(--brand);
  font-variant-numeric:tabular-nums;font-feature-settings:"tnum";
}
.step__body h3{font-size:19px;margin-bottom:8px}
.step__body p{color:var(--text-2);font-size:15px;line-height:1.85}
.step__tag{
  display:inline-block;margin-top:12px;padding:4px 12px;border-radius:var(--r-pill);
  background:var(--gold-tint);color:#8A5B12;font-size:12px;font-weight:600;
}
.side-illust{
  position:sticky;top:112px;
  background:#fff;border:1px solid var(--line);border-radius:var(--r-big);
  box-shadow:var(--sh-2);overflow:hidden;
}
.side-illust img{width:100%;aspect-ratio:16/10;object-fit:cover;background:var(--brand-tint)}
.side-illust__body{padding:24px 26px 28px}
.side-illust__body h3{font-size:18px;margin-bottom:10px}
.side-illust__body p{font-size:14px;color:var(--text-2);line-height:1.8}
.side-illust__list{margin-top:18px;border-top:1px solid var(--line);padding-top:16px}
.side-illust__list li{
  display:flex;gap:10px;align-items:flex-start;
  font-size:14px;color:var(--text-2);padding:7px 0;
}
.side-illust__list i{color:var(--teal);margin-top:5px;font-size:12px}

/* ---------- Metrics strip ---------- */
.metrics{
  display:grid;grid-template-columns:repeat(4,1fr);
  background:#fff;border:1px solid var(--line);border-radius:var(--r-big);
  box-shadow:var(--sh-1);overflow:hidden;
}
.metric{padding:30px 26px;border-right:1px solid var(--line)}
.metric:last-child{border-right:none}
.metric__num{
  font-size:clamp(32px,4vw,44px);font-weight:700;line-height:1.05;color:var(--brand-deep);
  font-variant-numeric:tabular-nums;font-feature-settings:"tnum";
}
.metric__num small{font-size:16px;font-weight:600;margin-left:4px;color:var(--brand)}
.metric__label{margin-top:10px;font-size:14px;color:var(--text-3);line-height:1.7}

/* ---------- Prepare / checklist ---------- */
.prep-grid{display:grid;grid-template-columns:.92fr 1.08fr;gap:44px;align-items:center}
.prep-media{
  border-radius:var(--r-big);overflow:hidden;box-shadow:var(--sh-2);
  border:1px solid var(--line);background:var(--brand-tint);
}
.prep-media img{width:100%;aspect-ratio:4/3;object-fit:cover}
.check-list li{
  display:flex;gap:14px;align-items:flex-start;
  padding:16px 0;border-bottom:1px dashed var(--line);
}
.check-list li:last-child{border-bottom:none}
.check-list .ck{
  flex:0 0 auto;width:24px;height:24px;border-radius:50%;
  background:var(--brand-tint);color:var(--brand);display:grid;place-items:center;
  font-size:11px;margin-top:4px;
}
.check-list strong{display:block;font-size:15px;color:var(--text);margin-bottom:3px}
.check-list span{font-size:14px;color:var(--text-2);line-height:1.8}

/* ---------- Tips strip ---------- */
.tips-scroller{display:grid;grid-template-columns:1.12fr 1fr 1fr;gap:24px}
.tip-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-big);
  padding:28px;box-shadow:var(--sh-1);transition:all .18s ease-out;
  display:flex;flex-direction:column;
}
.tip-card:hover{box-shadow:var(--sh-2);transform:translateY(-2px);border-color:var(--brand-line)}
.tip-card--accent{background:linear-gradient(160deg,#fff 0%,var(--brand-tint) 100%);border-color:var(--brand-line)}
.tip-card__icon{
  width:44px;height:44px;border-radius:14px;display:grid;place-items:center;
  background:var(--brand-tint);color:var(--brand);font-size:17px;margin-bottom:18px;
}
.tip-card--accent .tip-card__icon{background:#fff;border:1px solid var(--brand-line)}
.tip-card h3{font-size:18px;margin-bottom:10px}
.tip-card p{font-size:14px;color:var(--text-2);line-height:1.85}
.tip-card__foot{
  margin-top:auto;padding-top:18px;font-size:13px;color:var(--text-3);
  display:flex;align-items:center;gap:8px;
}
.tip-card__foot i{color:var(--brand)}

/* ---------- FAQ ---------- */
.faq-wrap{max-width:920px;margin-inline:auto}
.faq-item{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-card);
  box-shadow:var(--sh-1);margin-bottom:12px;overflow:hidden;
  transition:border-color .18s ease-out,box-shadow .18s ease-out;
}
.faq-item:hover{border-color:var(--brand-line)}
.faq-item summary{
  list-style:none;cursor:pointer;position:relative;
  padding:20px 58px 20px 22px;
  font-size:16px;font-weight:600;color:var(--text);
  transition:box-shadow .18s ease-out,color .18s ease-out;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{
  content:"\f078";font-family:"Font Awesome 6 Free";font-weight:900;
  position:absolute;right:22px;top:50%;transform:translateY(-50%);
  font-size:13px;color:var(--brand);transition:transform .22s ease-out;
}
.faq-item[open] summary::after{transform:translateY(-50%) rotate(180deg)}
.faq-item[open] summary{box-shadow:inset 3px 0 0 var(--brand);color:var(--brand-deep)}
.faq-item__ans{
  padding:0 24px 22px 22px;font-size:15px;line-height:1.85;color:var(--text-2);
}
.faq-item__ans p + p{margin-top:10px}

/* ---------- Related ---------- */
.card-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.rcard{
  position:relative;display:flex;flex-direction:column;
  background:#fff;border:1px solid var(--line);border-radius:var(--r-big);
  box-shadow:var(--sh-1);overflow:hidden;
  transition:all .18s ease-out;
}
.rcard:hover{box-shadow:var(--sh-2);transform:translateY(-2px);border-color:var(--brand-line)}
.rcard__media{position:relative;background:var(--brand-tint)}
.rcard__media img{width:100%;aspect-ratio:16/10;object-fit:cover}
.rcard__tag{
  position:absolute;left:14px;top:14px;
  padding:4px 12px;border-radius:var(--r-pill);
  background:rgba(14,158,150,.94);color:#fff;font-size:12px;font-weight:600;
}
.rcard__body{padding:22px 24px 24px;display:flex;flex-direction:column;flex:1}
.rcard__title{
  font-size:17px;font-weight:700;line-height:1.5;color:var(--text);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.rcard:hover .rcard__title{color:var(--brand)}
.rcard__desc{
  margin-top:10px;font-size:14px;color:var(--text-2);line-height:1.8;
  display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;
}
.rcard__foot{
  margin-top:18px;padding-top:16px;border-top:1px solid var(--line);
  display:flex;align-items:center;justify-content:space-between;
  font-size:13px;color:var(--text-3);
}
.rcard__foot .more{color:var(--brand);font-weight:600;display:inline-flex;align-items:center;gap:6px}
.rcard__foot .more i{font-size:11px;transition:transform .18s ease-out}
.rcard:hover .rcard__foot .more i{transform:translateX(3px)}
.card-cover-link{position:absolute;inset:0;z-index:3;font-size:0;color:transparent}

/* ---------- CTA band ---------- */
.cta-band{
  position:relative;overflow:hidden;border-radius:0;
  background:
    linear-gradient(100deg,rgba(18,59,140,.95) 0%,rgba(30,91,214,.88) 60%,rgba(60,123,238,.8) 100%),
    url("/assets/images/backpic/back-3.webp") center/cover no-repeat;
  color:#fff;
}
.cta-band__inner{
  display:flex;align-items:center;justify-content:space-between;gap:34px;
  padding-block:66px;flex-wrap:wrap;
}
.cta-band h2{color:#fff;font-size:clamp(22px,2.6vw,28px)}
.cta-band p{margin-top:12px;color:rgba(255,255,255,.9);font-size:15px;max-width:640px}
.cta-band__actions{display:flex;gap:14px;flex-wrap:wrap}

/* ---------- Float CTA ---------- */
.float-cta{
  position:fixed;right:24px;bottom:24px;z-index:55;
  display:flex;gap:10px;align-items:center;
  padding:8px;border-radius:var(--r-pill);
  background:rgba(255,255,255,.94);border:1px solid var(--line);
  box-shadow:var(--sh-2);
  opacity:0;visibility:hidden;transform:translateY(14px);
  transition:all .26s ease-out;
}
.float-cta.is-visible{opacity:1;visibility:visible;transform:none}

/* ---------- Search panel ---------- */
.search-panel{
  position:fixed;top:88px;left:50%;transform:translateX(-50%) translateY(-10px);
  width:min(680px,calc(100% - 32px));z-index:65;
  background:#fff;border:1px solid var(--line);border-radius:18px;
  box-shadow:var(--sh-2);padding:16px;
  opacity:0;visibility:hidden;transition:all .2s ease-out;
}
.search-panel.is-open{opacity:1;visibility:visible;transform:translateX(-50%) translateY(0)}
.search-form{display:flex;align-items:center;gap:12px;background:var(--bg);border:1px solid var(--line);border-radius:var(--r-input);padding:10px 14px}
.search-form i{color:var(--text-3)}
.search-form input{flex:1;border:none;background:transparent;outline:none;font-size:15px;color:var(--text);min-width:0}
.search-form input::placeholder{color:var(--text-3)}
.search-hint{margin-top:12px;font-size:13px;color:var(--text-3)}

/* ---------- Footer ---------- */
.site-footer{
  background:linear-gradient(180deg,#0E1B2E 0%,#123B8C 100%);
  color:rgba(255,255,255,.82);
  padding:70px 0 34px;
  margin-top:0;
}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:40px}
.footer-brand{display:flex;align-items:center;gap:10px;font-size:17px;font-weight:700;color:#fff;margin-bottom:16px}
.footer-brand__mark{
  width:32px;height:32px;border-radius:10px;display:grid;place-items:center;
  background:rgba(255,255,255,.16);border:1px solid rgba(255,255,255,.26);color:#fff;font-size:14px;
}
.footer-col p{font-size:14px;line-height:1.85;color:rgba(255,255,255,.72)}
.footer-col h4{font-size:15px;color:#fff;margin-bottom:16px}
.footer-col ul li{margin-bottom:10px}
.footer-col ul a{font-size:14px;color:rgba(255,255,255,.76)}
.footer-col ul a:hover{color:#fff;text-decoration:underline}
.footer-qr{
  width:92px;height:92px;border-radius:14px;
  background:rgba(255,255,255,.1);border:1px dashed rgba(255,255,255,.32);
  display:grid;place-items:center;font-size:32px;color:rgba(255,255,255,.7);
  margin-bottom:12px;
}
.footer-qr-note{font-size:13px;line-height:1.8;color:rgba(255,255,255,.66)}
.footer-bottom{
  margin-top:48px;padding-top:22px;border-top:1px solid rgba(255,255,255,.16);
  display:flex;justify-content:space-between;gap:14px;flex-wrap:wrap;
  font-size:13px;color:rgba(255,255,255,.6);
}
.footer-bottom a{color:rgba(255,255,255,.8)}
.footer-bottom a:hover{color:#fff;text-decoration:underline}

/* ---------- Responsive ---------- */
@media screen and (max-width:1199px){
  :root{--sec:88px}
}
@media screen and (max-width:1023px){
  :root{--sec:80px}
  .dock-nav,.dock-dropdown{display:none}
  .dock-burger{display:grid;place-items:center}
  .dock{justify-content:space-between}
  .steps-layout{grid-template-columns:1fr;gap:28px}
  .side-illust{position:static}
  .prep-grid{grid-template-columns:1fr;gap:30px}
  .tips-scroller{grid-template-columns:1fr;gap:18px}
  .metrics{grid-template-columns:repeat(2,1fr)}
  .metric:nth-child(2){border-right:none}
  .metric:nth-child(1),.metric:nth-child(2){border-bottom:1px solid var(--line)}
  .card-grid{grid-template-columns:repeat(2,1fr)}
  .footer-grid{grid-template-columns:repeat(2,1fr);gap:34px}
}
@media screen and (max-width:767px){
  :root{--sec:64px}
  .rl-container{width:min(1200px,calc(100% - 40px))}
  .cat-hero{padding:126px 0 72px}
  .cat-hero__lead{font-size:16px}
  .hero-badges{gap:8px}
  .hero-badge{font-size:12px;padding:7px 12px}
  .step{padding:22px 0}
  .step__num{font-size:23px}
  .step-list{padding:4px 20px 10px}
  .side-illust__body{padding:20px}
  .card-grid{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr}
  .float-cta{
    left:0;right:0;bottom:0;transform:none;border-radius:0;
    padding:9px 16px;justify-content:space-between;
    background:rgba(255,255,255,.97);border-left:none;border-right:none;border-bottom:none;
    box-shadow:0 -6px 22px rgba(14,27,46,.12);
    max-height:64px;
  }
  .float-cta .btn{flex:1;justify-content:center}
  .float-cta.is-visible{transform:none}
  body{padding-bottom:70px}
  .search-panel{top:80px}
}
@media screen and (max-width:519px){
  .metrics{grid-template-columns:1fr}
  .metric{border-right:none;border-bottom:1px solid var(--line)}
  .metric:last-child{border-bottom:none}
  .cat-hero__actions .btn{width:100%}
  .cta-band__actions{width:100%}
  .cta-band__actions .btn{flex:1;justify-content:center}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none !important;transition:none !important}
  html{scroll-behavior:auto}
}

/* roulang page: category2 */
/* ============ 设计变量 ============ */
:root{
  --blue:#1E5BD6;
  --blue-dark:#123B8C;
  --blue-light:#3C7BEE;
  --blue-tint:#F0F5FF;
  --blue-line:#DCE8FD;
  --gold:#E9A23B;
  --gold-tint:#FDF1DC;
  --teal:#0E9E96;
  --teal-ink:#0B7C76;
  --bg:#F6F8FC;
  --surface:#FFFFFF;
  --line:#E4EAF2;
  --ink:#0E1B2E;
  --ink-2:#33465E;
  --ink-3:#6B7C93;
  --ok:#1F9D6B;
  --warn:#D9822B;
  --err:#D64545;
  --r-card:16px;
  --r-lg:20px;
  --r-pill:999px;
  --r-input:12px;
  --sh-1:0 1px 2px rgba(14,27,46,.04), 0 2px 8px rgba(14,27,46,.05);
  --sh-2:0 4px 12px rgba(14,27,46,.06), 0 12px 32px rgba(14,27,46,.07);
  --sh-dock:0 8px 28px rgba(18,59,140,.12);
  --font:"PingFang SC","HarmonyOS Sans SC","Source Han Sans SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  --num:ui-monospace,SFMono-Regular,Menlo,Consolas,"Courier New",monospace;
  --sec:104px;
}

/* ============ 基础重置 ============ */
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;scroll-padding-top:118px}
body{
  margin:0;
  font-family:var(--font);
  font-size:16px;
  line-height:1.75;
  color:var(--ink);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4,h5,p,ul,ol,figure,blockquote{margin:0}
ul,ol{list-style:none;padding:0}
img{max-width:100%;display:block;border:0}
a{color:inherit;text-decoration:none}
button,input,select,textarea{font-family:inherit;font-size:inherit;color:inherit}
button{background:none;border:0;cursor:pointer}
table{border-collapse:collapse;width:100%}
:focus-visible{outline:2px solid var(--gold);outline-offset:2px}

h1{font-size:clamp(30px,4.6vw,40px);font-weight:700;line-height:1.25;letter-spacing:0}
h2{font-size:clamp(24px,3.1vw,30px);font-weight:700;line-height:1.32}
h3{font-size:clamp(19px,2.2vw,22px);font-weight:700;line-height:1.4}
h4{font-size:16px;font-weight:700;line-height:1.5}
p{color:var(--ink-2)}

/* ============ 容器与板块 ============ */
.rl-container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}
.section{padding:var(--sec) 0}
.section--soft{background:var(--surface)}
.section-head{max-width:760px;margin-bottom:44px}
.section-head h2{margin-bottom:14px}
.section-head p{font-size:16px;line-height:1.85}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:600;color:var(--blue);
  background:var(--blue-tint);border:1px solid var(--blue-line);
  padding:5px 14px;border-radius:var(--r-pill);margin-bottom:16px;
}
.tag{
  display:inline-flex;align-items:center;gap:6px;width:fit-content;
  font-size:12.5px;font-weight:600;padding:4px 11px;border-radius:var(--r-pill);
  background:rgba(14,158,150,.10);color:var(--teal-ink);
}
.tag--gold{background:var(--gold-tint);color:#A2681A}
.tag--blue{background:var(--blue-tint);color:var(--blue)}
.divider{height:1px;background:var(--line);border:0;margin:0}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:12px 26px;border-radius:var(--r-pill);font-size:15px;font-weight:600;
  border:1px solid transparent;cursor:pointer;white-space:nowrap;
  transition:transform .18s ease, box-shadow .18s ease, background .18s ease, color .18s ease, border-color .18s ease;
}
.btn--primary{background:var(--blue);color:#fff;box-shadow:0 6px 18px rgba(30,91,214,.22)}
.btn--primary:hover{background:var(--blue-dark);transform:translateY(-1px)}
.btn--ghost{background:var(--surface);color:var(--blue-dark);border-color:var(--blue-line)}
.btn--ghost:hover{background:var(--blue-tint);border-color:var(--blue)}
.btn--gold{background:var(--surface);color:#8F5A12;border-color:var(--gold)}
.btn--gold:hover{background:var(--gold-tint)}
.btn--sm{padding:9px 18px;font-size:14px}
.btn--lg{padding:14px 30px;font-size:16px}
.btn--block{width:100%}
.btn--link{background:none;color:var(--blue);padding:0;font-weight:600;box-shadow:none}
.btn--link:hover{color:var(--blue-dark);transform:none}

/* ============ 浮动 Dock 导航 ============ */
.dock{
  position:fixed;top:16px;left:50%;transform:translateX(-50%);z-index:200;
  width:min(1080px,calc(100% - 32px));
  display:flex;align-items:center;gap:12px;
  padding:10px 16px;border-radius:var(--r-pill);
  background:rgba(255,255,255,.88);
  border:1px solid var(--line);
  box-shadow:var(--sh-dock);
  backdrop-filter:blur(12px);
  transition:padding .25s ease, box-shadow .25s ease, background .25s ease;
}
.dock.is-scrolled{padding:6px 16px;background:rgba(255,255,255,.92);box-shadow:0 10px 34px rgba(18,59,140,.18)}
.dock-logo{display:flex;align-items:center;gap:10px;font-weight:700;color:var(--blue-dark);white-space:nowrap}
.dock-logo__mark{
  width:32px;height:32px;border-radius:10px;flex:0 0 auto;
  background:linear-gradient(135deg,var(--blue),var(--blue-light));
  color:#fff;display:grid;place-items:center;font-size:14px;
}
.dock-logo__text{font-size:15px;letter-spacing:0}
.dock-nav{display:flex;align-items:center;gap:2px;margin:0 auto}
.dock-link{
  position:relative;padding:8px 13px;border-radius:var(--r-pill);
  font-size:14px;color:var(--ink-2);transition:color .18s ease, background .18s ease;
}
.dock-link:hover{color:var(--blue);background:var(--blue-tint)}
.dock-link.is-active{color:var(--blue);background:var(--blue-tint)}
.dock-link.is-active::after{
  content:"";position:absolute;left:50%;bottom:3px;transform:translateX(-50%);
  width:4px;height:4px;border-radius:50%;background:var(--blue);
}
.dock-dropdown{position:relative}
.dock-drop-btn{
  display:inline-flex;align-items:center;gap:6px;
  padding:8px 14px;border-radius:var(--r-pill);border:1px solid var(--line);
  background:var(--surface);color:var(--ink-2);font-size:14px;
  transition:color .18s ease, background .18s ease, border-color .18s ease;
}
.dock-drop-btn:hover,.dock-drop-btn.is-active{color:var(--blue);border-color:var(--blue-line);background:var(--blue-tint)}
.dock-drop-menu{
  position:absolute;top:calc(100% + 12px);left:50%;
  transform:translateX(-50%) translateY(-6px);
  min-width:236px;padding:8px;border-radius:14px;
  background:var(--surface);border:1px solid var(--line);box-shadow:var(--sh-2);
  opacity:0;visibility:hidden;transition:opacity .2s ease, transform .2s ease, visibility .2s;
}
.dock-dropdown:hover .dock-drop-menu,
.dock-dropdown:focus-within .dock-drop-menu{opacity:1;visibility:visible;transform:translateX(-50%) translateY(0)}
.dock-drop-menu a{display:block;padding:10px 14px;border-radius:10px;font-size:14px;color:var(--ink-2);transition:background .16s ease,color .16s ease}
.dock-drop-menu a:hover{background:var(--blue-tint);color:var(--blue)}
.dock-drop-menu a.is-active{color:var(--blue);font-weight:600}
.dock-icon-btn{
  width:36px;height:36px;flex:0 0 auto;border-radius:50%;
  border:1px solid var(--line);background:var(--surface);color:var(--ink-2);
  display:grid;place-items:center;font-size:14px;
  transition:color .18s ease, background .18s ease, border-color .18s ease;
}
.dock-icon-btn:hover{color:var(--blue);border-color:var(--blue-line);background:var(--blue-tint)}
.dock-burger{display:none;width:38px;height:38px;border-radius:12px;border:1px solid var(--line);background:var(--surface);color:var(--ink-2);place-items:center}

/* 搜索浮层 */
.search-pop{
  position:fixed;top:82px;right:max(16px,calc((100vw - 1080px)/2));z-index:210;
  width:min(420px,calc(100% - 32px));
  background:var(--surface);border:1px solid var(--line);border-radius:16px;
  box-shadow:var(--sh-2);padding:14px;
  opacity:0;visibility:hidden;transform:translateY(-8px);
  transition:opacity .2s ease, transform .2s ease, visibility .2s;
}
.search-pop.is-open{opacity:1;visibility:visible;transform:translateY(0)}
.search-form{display:flex;align-items:center;gap:10px}
.search-form i{color:var(--ink-3)}
.search-form input{
  flex:1;min-width:0;padding:10px 12px;border-radius:var(--r-input);
  border:1px solid var(--line);background:var(--bg);font-size:14px;
  transition:border-color .18s ease, box-shadow .18s ease, background .18s ease;
}
.search-form input:focus{outline:none;border-color:var(--blue);background:#fff;box-shadow:0 0 0 3px var(--blue-tint)}
.search-pop p{font-size:13px;color:var(--ink-3);margin-top:10px;line-height:1.7}

/* 移动抽屉 */
.dock-scrim{
  position:fixed;inset:0;z-index:290;background:rgba(14,27,46,.45);
  opacity:0;visibility:hidden;transition:opacity .25s ease, visibility .25s;
}
.dock-scrim.is-open{opacity:1;visibility:visible}
.dock-drawer{
  position:fixed;top:0;right:0;height:100%;width:min(330px,86vw);z-index:300;
  background:var(--surface);padding:22px 20px 34px;overflow-y:auto;
  transform:translateX(100%);transition:transform .28s ease;
  box-shadow:-12px 0 40px rgba(14,27,46,.14);
}
.dock-drawer.is-open{transform:translateX(0)}
.dock-drawer__head{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:22px}
.dock-drawer__head strong{font-size:15px;color:var(--blue-dark)}
.dock-drawer__label{font-size:12.5px;color:var(--ink-3);margin:20px 0 10px;letter-spacing:.04em}
.dock-drawer__list{display:grid;gap:6px}
.dock-drawer__list a{display:block;padding:11px 14px;border-radius:12px;font-size:15px;color:var(--ink-2);transition:background .16s ease,color .16s ease}
.dock-drawer__list a:hover{background:var(--blue-tint);color:var(--blue)}
.dock-drawer__list a.is-active{background:var(--blue-tint);color:var(--blue);font-weight:600}
.dock-drawer .btn{width:100%;margin-top:24px}

/* ============ 面包屑 ============ */
.crumbs{display:flex;align-items:center;flex-wrap:wrap;gap:8px;font-size:13.5px;color:var(--ink-3);margin-bottom:20px}
.crumbs a{color:var(--ink-3);transition:color .16s ease}
.crumbs a:hover{color:var(--blue)}
.crumbs span.sep{color:#C3CEDC}
.crumbs span.current{color:var(--ink-2);font-weight:600;max-width:260px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}

/* ============ 页面头部 ============ */
.page-hero{
  position:relative;padding:150px 0 84px;
  background:linear-gradient(180deg,#FFFFFF 0%, var(--blue-tint) 100%);
  border-bottom:1px solid var(--line);
}
.page-hero::before{
  content:"";position:absolute;top:0;right:-6%;width:46%;height:100%;
  background:url('/assets/images/backpic/back-1.png') center right/cover no-repeat;
  opacity:.10;pointer-events:none;
}
.hero-grid{position:relative;display:grid;grid-template-columns:7fr 5fr;gap:48px;align-items:center}
.hero-grid h1{margin-bottom:18px}
.hero-grid h1 .hl{position:relative;color:var(--blue-dark);white-space:nowrap}
.hero-grid h1 .hl::after{
  content:"";position:absolute;left:0;right:0;bottom:4px;height:6px;
  background:var(--gold-tint);border-radius:3px;z-index:-1;
}
.hero-sub{font-size:17px;line-height:1.9;color:var(--ink-2);max-width:620px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:30px}
.hero-badges{display:flex;flex-wrap:wrap;gap:10px;margin-top:28px}
.hero-badges span{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13.5px;color:var(--blue-dark);
  background:var(--surface);border:1px solid var(--blue-line);
  padding:7px 15px;border-radius:var(--r-pill);box-shadow:var(--sh-1);
}
.hero-badges i{color:var(--blue);font-size:12px}
.hero-media{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-lg);
  box-shadow:var(--sh-2);overflow:hidden;
}
.hero-media img{width:100%;aspect-ratio:16/10;object-fit:cover}
.hero-media__foot{
  display:flex;align-items:center;gap:10px;padding:14px 18px;
  font-size:13.5px;color:var(--ink-3);border-top:1px solid var(--line);
}
.hero-media__foot i{color:var(--teal)}

/* ============ 交替图文 ============ */
.zig{display:grid;grid-template-columns:1fr 1fr;gap:52px;align-items:center;padding:48px 0;border-bottom:1px solid var(--line)}
.zig:last-of-type{border-bottom:0}
.zig--rev .zig__media{order:2}
.zig--rev .zig__text{order:1}
.zig__media img{width:100%;aspect-ratio:4/3;object-fit:cover;border-radius:var(--r-lg);box-shadow:var(--sh-2)}
.zig__index{
  display:inline-flex;align-items:center;gap:10px;font-family:var(--num);
  font-size:13px;font-weight:700;color:var(--gold);letter-spacing:.08em;margin-bottom:14px;
}
.zig__index::after{content:"";width:36px;height:2px;background:var(--gold-tint);border-radius:2px}
.zig__text h3{margin-bottom:12px}
.zig__text > p{font-size:15.5px;line-height:1.9}

.checklist{display:grid;gap:12px;margin-top:20px}
.checklist li{display:flex;gap:10px;align-items:flex-start;font-size:15px;line-height:1.75;color:var(--ink-2)}
.checklist li i{color:var(--ok);font-size:13px;margin-top:6px;flex:0 0 auto}
.checklist--two{grid-template-columns:1fr 1fr;gap:14px 34px}

/* ============ 清单面板 ============ */
.check-panel{
  background:linear-gradient(135deg,var(--blue-tint) 0%, #FFFFFF 68%);
  border:1px solid var(--blue-line);border-radius:var(--r-lg);
  padding:36px;box-shadow:var(--sh-1);
}
.check-panel__head{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:14px;margin-bottom:8px}
.check-panel__head h2{font-size:clamp(21px,2.5vw,26px)}
.check-panel__note{font-size:14px;color:var(--ink-3);margin-bottom:20px}
.check-panel .checklist{margin-top:0}
.check-panel .checklist li{background:rgba(255,255,255,.75);border:1px solid var(--line);border-radius:12px;padding:12px 16px}

/* ============ 非对称双卡 ============ */
.split{display:grid;grid-template-columns:7fr 5fr;gap:28px;align-items:start}
.panel{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-lg);
  box-shadow:var(--sh-1);padding:30px;transition:transform .18s ease, box-shadow .18s ease;
}
.panel:hover{transform:translateY(-2px);box-shadow:var(--sh-2)}
.panel h3{margin-bottom:14px}
.panel--gold{background:var(--gold-tint);border-color:#F2DDB6}
.panel--gold h3{color:#8F5A12}
.plain-list{display:grid;gap:14px;margin-top:6px}
.plain-list li{display:flex;gap:12px;font-size:15px;color:var(--ink-2);line-height:1.8}
.plain-list li b{
  flex:0 0 26px;height:26px;border-radius:8px;background:var(--blue-tint);
  color:var(--blue);font-family:var(--num);font-size:12.5px;
  display:grid;place-items:center;margin-top:3px;
}

/* ============ FAQ ============ */
.faq-list{max-width:860px;margin:0 auto;display:grid;gap:12px}
.faq-item{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);
  box-shadow:var(--sh-1);overflow:hidden;transition:box-shadow .18s ease, border-color .18s ease;
}
.faq-item:hover{box-shadow:var(--sh-2)}
.faq-item summary{
  position:relative;list-style:none;cursor:pointer;
  padding:18px 52px 18px 20px;font-size:16px;font-weight:600;color:var(--ink);line-height:1.6;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{
  content:"";position:absolute;right:22px;top:50%;width:8px;height:8px;
  border-right:2px solid var(--ink-3);border-bottom:2px solid var(--ink-3);
  transform:translateY(-70%) rotate(45deg);
  transition:transform .2s ease, border-color .2s ease;
}
.faq-item[open] summary{color:var(--blue-dark)}
.faq-item[open] summary::before{
  content:"";position:absolute;left:0;top:14px;bottom:14px;width:3px;
  background:var(--blue);border-radius:0 3px 3px 0;
}
.faq-item[open] summary::after{transform:translateY(-30%) rotate(225deg);border-color:var(--blue)}
.faq-body{padding:0 52px 22px 20px;font-size:15px;line-height:1.85;color:var(--ink-2)}

/* ============ 收尾 CTA ============ */
.cta-band{position:relative;overflow:hidden;color:#fff;padding:72px 0}
.cta-band__bg{
  position:absolute;inset:0;
  background:url('/assets/images/backpic/back-2.png') center/cover no-repeat;
}
.cta-band::before{
  content:"";position:absolute;inset:0;
  background:linear-gradient(100deg, rgba(18,59,140,.95) 0%, rgba(30,91,214,.78) 100%);
}
.cta-band__inner{position:relative;display:flex;flex-wrap:wrap;gap:24px;align-items:center;justify-content:space-between}
.cta-band h2{color:#fff;margin-bottom:10px}
.cta-band p{color:rgba(255,255,255,.86);font-size:15.5px;max-width:640px;margin:0}
.cta-band .btn--primary{background:#fff;color:var(--blue-dark);box-shadow:0 8px 22px rgba(6,20,50,.28)}
.cta-band .btn--primary:hover{background:var(--blue-tint)}

/* ============ 相关文章卡 ============ */
.post-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.post-card{
  position:relative;display:flex;flex-direction:column;overflow:hidden;
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);
  box-shadow:var(--sh-1);transition:transform .18s ease, box-shadow .18s ease;
}
.post-card:hover{transform:translateY(-2px);box-shadow:var(--sh-2)}
.post-card img{width:100%;aspect-ratio:16/10;object-fit:cover}
.post-card__body{padding:20px;display:flex;flex-direction:column;gap:10px;flex:1}
.post-card h3{font-size:17px;line-height:1.5}
.post-card h3 a::after{content:"";position:absolute;inset:0}
.post-card:hover h3 a{color:var(--blue)}
.post-card p{font-size:14px;line-height:1.7;color:var(--ink-3);display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}
.post-card__foot{
  margin-top:auto;padding-top:12px;border-top:1px solid var(--line);
  display:flex;align-items:center;justify-content:space-between;gap:10px;
  font-size:13px;color:var(--ink-3);
}
.post-card__foot span.link{color:var(--blue);font-weight:600}
.more-actions{display:flex;flex-wrap:wrap;gap:14px;justify-content:center;margin-top:44px}

/* ============ 浮动 CTA ============ */
.float-cta{
  position:fixed;right:24px;bottom:24px;z-index:180;
  display:flex;align-items:center;gap:10px;
  opacity:0;visibility:hidden;transform:translateY(14px);
  transition:opacity .28s ease, transform .28s ease, visibility .28s;
}
.float-cta.is-visible{opacity:1;visibility:visible;transform:translateY(0)}

/* ============ 页脚 ============ */
.site-footer{
  background:linear-gradient(180deg,#FFFFFF 0%, var(--blue-tint) 100%);
  border-top:1px solid var(--line);
}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:32px;padding:64px 0 40px}
.footer-brand{display:flex;align-items:center;gap:10px;font-weight:700;font-size:17px;color:var(--blue-dark);margin-bottom:14px}
.footer-brand__mark{
  width:34px;height:34px;border-radius:10px;flex:0 0 auto;
  background:linear-gradient(135deg,var(--blue),var(--blue-light));
  color:#fff;display:grid;place-items:center;font-size:14px;
}
.footer-col p{font-size:14px;line-height:1.85;color:var(--ink-3);max-width:340px}
.footer-col h4{font-size:15px;color:var(--ink);margin-bottom:16px}
.footer-col ul{display:grid;gap:10px}
.footer-col ul a{font-size:14.5px;color:var(--ink-2);transition:color .16s ease}
.footer-col ul a:hover{color:var(--blue)}
.footer-qr{
  width:96px;height:96px;border-radius:14px;
  background:var(--surface);border:1px dashed var(--blue-line);
  display:grid;place-items:center;color:var(--blue);font-size:34px;margin-bottom:12px;
}
.footer-qr-note{font-size:13px;line-height:1.7;color:var(--ink-3)}
.footer-bottom{
  border-top:1px solid var(--line);padding:20px 0 34px;
  display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;
  font-size:13px;color:var(--ink-3);
}
.footer-bottom a{color:var(--ink-3)}
.footer-bottom a:hover{color:var(--blue)}

/* ============ 响应式 ============ */
@media (max-width:1199px){
  :root{--sec:88px}
  .footer-grid{grid-template-columns:1.4fr 1fr 1fr;gap:28px}
  .footer-col:last-child{grid-column:span 3}
}
@media (max-width:1023px){
  .dock-nav,.dock-dropdown{display:none}
  .dock-burger{display:grid}
  .dock-logo{margin-right:auto}
  .hero-grid{grid-template-columns:1fr;gap:36px}
  .zig{grid-template-columns:1fr;gap:28px;padding:40px 0}
  .zig--rev .zig__media,.zig--rev .zig__text{order:0}
  .split{grid-template-columns:1fr}
  .post-grid{grid-template-columns:1fr 1fr}
  .search-pop{top:76px;right:16px}
}
@media (max-width:767px){
  :root{--sec:72px}
  .rl-container,.container{padding:0 20px}
  .section{padding:72px 0}
  .page-hero{padding:126px 0 64px}
  .checklist--two{grid-template-columns:1fr}
  .check-panel{padding:24px}
  .panel{padding:24px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:26px;padding:48px 0 32px}
  .footer-col:last-child{grid-column:span 2}
  .cta-band{padding:56px 0}
  .cta-band__inner{flex-direction:column;align-items:flex-start}
  .post-grid{grid-template-columns:1fr}
}
@media (max-width:640px){
  body{padding-bottom:76px}
  .dock{width:calc(100% - 24px);padding:8px 12px;gap:8px;top:12px}
  .dock-logo__text{font-size:13px;max-width:132px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
  .dock-logo__mark{width:28px;height:28px;font-size:12px;border-radius:9px}
  .dock-cta{padding:8px 14px;font-size:13px}
  .float-cta{
    left:0;right:0;bottom:0;width:100%;gap:10px;padding:10px 16px;
    background:rgba(255,255,255,.97);border-top:1px solid var(--line);
    box-shadow:0 -6px 20px rgba(14,27,46,.07);justify-content:space-between;
    transform:none;
  }
  .float-cta .btn{flex:1}
  .faq-body{padding:0 20px 20px}
  .crumbs span.current{max-width:150px}
}
@media (max-width:519px){
  .hero-badges span{font-size:12.5px}
  .footer-grid{grid-template-columns:1fr}
  .footer-col:last-child{grid-column:span 1}
  .more-actions .btn{width:100%}
}

@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{transition:none !important;animation:none !important}
  .post-card:hover,.panel:hover,.btn--primary:hover{transform:none}
}

/* roulang page: category3 */
:root{
  --brand:#1E5BD6;
  --brand-deep:#123B8C;
  --brand-light:#3C7BEE;
  --brand-tint:#F0F5FF;
  --brand-line:#DCE8FD;
  --gold:#E9A23B;
  --gold-tint:#FDF1DC;
  --teal:#0E9E96;
  --bg:#F6F8FC;
  --surface:#FFFFFF;
  --line:#E4EAF2;
  --ink:#0E1B2E;
  --ink-2:#33465E;
  --ink-3:#6B7C93;
  --ok:#1F9D6B;
  --warn:#D9822B;
  --err:#D64545;
  --r-card:16px;
  --r-lg:20px;
  --r-pill:999px;
  --r-field:12px;
  --sh-1:0 1px 2px rgba(14,27,46,.04),0 2px 8px rgba(14,27,46,.05);
  --sh-2:0 4px 12px rgba(14,27,46,.06),0 12px 32px rgba(14,27,46,.07);
  --sh-dock:0 8px 28px rgba(18,59,140,.12);
  --sec:104px;
  --font:"PingFang SC","HarmonyOS Sans SC","Source Han Sans SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;scroll-padding-top:112px}
body{margin:0;font-family:var(--font);font-size:16px;line-height:1.75;color:var(--ink);background:var(--bg);-webkit-font-smoothing:antialiased}
img{max-width:100%;height:auto;display:block}
figure{margin:0}
h1,h2,h3,h4,p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
a{color:var(--brand);text-decoration:none;transition:color .18s ease}
a:hover{color:var(--brand-deep)}
button{font-family:inherit;cursor:pointer;border:none;background:none}
input{font-family:inherit}
*:focus-visible{outline:2px solid var(--gold);outline-offset:2px}
::selection{background:var(--brand-tint);color:var(--brand-deep)}

/* ===== 容器与板块 ===== */
.rl-container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}
.section{padding:var(--sec) 0}
.section--alt{background:#fff}
.section--tight{padding:80px 0}
.sec-head{max-width:780px;margin:0 auto 48px;text-align:center}
.sec-head h2{font-size:clamp(24px,2.6vw,30px);line-height:1.35;font-weight:700;color:var(--ink)}
.sec-head p{margin-top:14px;color:var(--ink-3);font-size:15.5px;line-height:1.8}

/* ===== 按钮 ===== */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:12px 24px;border-radius:var(--r-pill);font-size:15px;font-weight:600;border:1px solid transparent;transition:transform .18s ease,box-shadow .18s ease,background .18s ease,color .18s ease,border-color .18s ease;white-space:nowrap;line-height:1.2}
.btn--primary{background:var(--brand);color:#fff;box-shadow:0 6px 18px rgba(30,91,214,.24)}
.btn--primary:hover{background:var(--brand-deep);color:#fff;transform:translateY(-1px);box-shadow:0 12px 26px rgba(18,59,140,.3)}
.btn--primary:active{transform:translateY(0);box-shadow:0 4px 12px rgba(18,59,140,.24)}
.btn--ghost{background:#fff;color:var(--brand);border-color:var(--brand-line)}
.btn--ghost:hover{background:var(--brand-tint);color:var(--brand-deep);border-color:var(--brand)}
.btn--gold{background:#fff;color:#A96C12;border-color:var(--gold)}
.btn--gold:hover{background:var(--gold-tint);color:#8A570D}
.btn--sm{padding:9px 18px;font-size:14px}
.btn--lg{padding:14px 30px;font-size:16px}
.link-arrow{display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:600;color:var(--brand)}
.link-arrow i{transition:transform .18s ease}
.link-arrow:hover i{transform:translateX(3px)}

/* ===== 标签与徽章 ===== */
.tag{display:inline-flex;align-items:center;gap:6px;padding:4px 12px;border-radius:var(--r-pill);font-size:13px;font-weight:600;background:var(--brand-tint);color:var(--brand-deep);line-height:1.6}
.tag--teal{background:rgba(14,158,150,.1);color:#0A7C76}
.tag--gold{background:var(--gold-tint);color:#A96C12}

/* ===== Dock 导航 ===== */
.dock{position:fixed;top:16px;left:50%;transform:translateX(-50%);z-index:220;width:min(1080px,calc(100% - 32px));display:flex;align-items:center;gap:14px;padding:10px 12px 10px 18px;background:rgba(255,255,255,.88);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);border:1px solid var(--line);border-radius:var(--r-pill);box-shadow:var(--sh-dock);transition:padding .25s ease,background .25s ease,box-shadow .25s ease}
.dock.is-scrolled{padding:6px 10px 6px 16px;background:rgba(255,255,255,.92);box-shadow:0 12px 34px rgba(18,59,140,.18)}
.dock-logo{display:flex;align-items:center;gap:9px;color:var(--ink);font-weight:700;font-size:15.5px;white-space:nowrap;flex-shrink:0}
.dock-logo:hover{color:var(--brand-deep)}
.dock-logo__mark{width:30px;height:30px;border-radius:10px;display:grid;place-items:center;background:linear-gradient(135deg,var(--brand-light),var(--brand));color:#fff;font-size:13px;box-shadow:0 4px 12px rgba(30,91,214,.28);flex-shrink:0}
.dock-nav{display:flex;align-items:center;gap:2px;margin:0 auto}
.dock-link{position:relative;padding:8px 13px;border-radius:var(--r-pill);color:var(--ink-2);font-size:14.5px;font-weight:500}
.dock-link:hover{color:var(--brand);background:var(--brand-tint)}
.dock-link.is-active{color:var(--brand);background:var(--brand-tint)}
.dock-link.is-active::after{content:"";position:absolute;left:50%;bottom:3px;transform:translateX(-50%);width:4px;height:4px;border-radius:50%;background:var(--brand)}
.dock-dropdown{position:relative;flex-shrink:0}
.dock-drop-btn{display:flex;align-items:center;gap:6px;padding:8px 14px;border-radius:var(--r-pill);border:1px solid var(--brand-line);background:#fff;color:var(--brand-deep);font-size:14px;font-weight:600;transition:.18s ease}
.dock-drop-btn:hover{background:var(--brand-tint)}
.dock-drop-btn i{font-size:11px;transition:transform .2s ease}
.dock-dropdown.is-open .dock-drop-btn i{transform:rotate(180deg)}
.dock-drop-menu{position:absolute;top:calc(100% + 14px);right:0;min-width:236px;background:#fff;border:1px solid var(--line);border-radius:var(--r-card);box-shadow:var(--sh-2);padding:8px;display:none;flex-direction:column;gap:2px}
.dock-dropdown.is-open .dock-drop-menu{display:flex}
.dock-drop-menu a{padding:10px 12px;border-radius:10px;color:var(--ink-2);font-size:14.5px;font-weight:500}
.dock-drop-menu a:hover{background:var(--brand-tint);color:var(--brand)}
.dock-drop-menu a.is-active{background:var(--brand-tint);color:var(--brand);font-weight:600}
.dock-icon-btn{width:38px;height:38px;border-radius:50%;display:grid;place-items:center;color:var(--ink-2);border:1px solid var(--line);background:#fff;transition:.18s ease;flex-shrink:0}
.dock-icon-btn:hover{color:var(--brand);border-color:var(--brand-line);background:var(--brand-tint)}
.dock-cta{flex-shrink:0}
.dock-burger{display:none;width:40px;height:40px;border-radius:50%;align-items:center;justify-content:center;color:var(--ink);border:1px solid var(--line);background:#fff;font-size:16px;flex-shrink:0}

/* 搜索浮层 */
.search-panel{position:fixed;top:82px;left:50%;transform:translate(-50%,-8px);z-index:215;width:min(560px,calc(100% - 32px));background:#fff;border:1px solid var(--line);border-radius:var(--r-card);box-shadow:var(--sh-2);padding:12px;opacity:0;visibility:hidden;transition:.24s ease}
.search-panel.is-open{opacity:1;visibility:visible;transform:translate(-50%,0)}
.search-form{display:flex;align-items:center;gap:10px}
.search-form i{color:var(--ink-3);padding-left:8px}
.search-form input[type="search"]{flex:1;border:1px solid var(--line);border-radius:var(--r-field);padding:10px 14px;font-size:14.5px;color:var(--ink);background:#fff;min-width:0}
.search-form input[type="search"]:focus{border-color:var(--brand);box-shadow:0 0 0 3px var(--brand-tint);outline:none}

/* 移动端抽屉 */
.drawer-mask{position:fixed;inset:0;background:rgba(14,27,46,.42);opacity:0;visibility:hidden;transition:.3s ease;z-index:290}
.drawer-mask.is-open{opacity:1;visibility:visible}
.drawer{position:fixed;top:0;right:0;height:100%;width:min(330px,86vw);background:#fff;z-index:300;transform:translateX(102%);transition:transform .3s ease;padding:24px 22px 96px;overflow-y:auto;box-shadow:-14px 0 44px rgba(14,27,46,.16)}
.drawer.is-open{transform:none}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:22px}
.drawer-title{font-size:15px;font-weight:700;color:var(--ink)}
.drawer-close{width:36px;height:36px;border-radius:50%;display:grid;place-items:center;border:1px solid var(--line);color:var(--ink-2)}
.drawer-group{margin-bottom:22px}
.drawer-group h4{font-size:13px;color:var(--ink-3);font-weight:600;letter-spacing:.04em;margin-bottom:10px}
.drawer-group a{display:block;padding:11px 14px;border-radius:12px;color:var(--ink-2);font-size:15px;font-weight:500}
.drawer-group a:hover{background:var(--brand-tint);color:var(--brand)}
.drawer-group a.is-active{background:var(--brand-tint);color:var(--brand);font-weight:600}
.drawer .btn{width:100%;margin-top:6px}

/* ===== 浮动 CTA ===== */
.float-cta{position:fixed;right:24px;bottom:26px;z-index:200;display:flex;align-items:center;gap:10px;padding:8px;background:rgba(255,255,255,.95);border:1px solid var(--line);border-radius:var(--r-pill);box-shadow:var(--sh-2);opacity:0;visibility:hidden;transform:translateY(14px);transition:.28s ease}
.float-cta.is-visible{opacity:1;visibility:visible;transform:none}
.float-cta .link-arrow{padding:0 10px}

/* ===== 面包屑 ===== */
.crumb-bar{background:#fff;border-bottom:1px solid var(--line);padding:96px 0 16px}
.crumb{display:flex;align-items:center;flex-wrap:wrap;gap:8px;font-size:13.5px;color:var(--ink-3)}
.crumb a{color:var(--ink-3)}
.crumb a:hover{color:var(--brand)}
.crumb .sep{color:#C3CFDE}
.crumb .current{color:var(--ink-2);font-weight:600}

/* ===== 页面头部 ===== */
.page-hero{position:relative;background:linear-gradient(140deg,#EAF1FF 0%,#F6F8FC 58%);padding:44px 0 0;overflow:hidden}
.page-hero::after{content:"";position:absolute;right:-120px;top:-80px;width:520px;height:520px;border-radius:50%;background:radial-gradient(circle,rgba(30,91,214,.12),rgba(30,91,214,0) 68%);pointer-events:none}
.page-hero .rl-container{position:relative;z-index:2}
.eyebrow{display:inline-flex;align-items:center;gap:8px;padding:6px 14px;border-radius:var(--r-pill);background:#fff;border:1px solid var(--brand-line);color:var(--brand-deep);font-size:13px;font-weight:600;box-shadow:var(--sh-1)}
.hero-h1{font-size:clamp(28px,3.6vw,40px);line-height:1.25;font-weight:700;color:var(--ink);margin-top:20px}
.hero-sub{margin-top:18px;font-size:17px;line-height:1.85;color:var(--ink-2);max-width:640px}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:28px}
.hero-points{margin-top:30px;display:grid;gap:12px}
.hero-points li{display:flex;align-items:flex-start;gap:10px;font-size:14.5px;color:var(--ink-2)}
.hero-points i{color:var(--ok);margin-top:5px;font-size:13px}
.hero-media{margin-top:36px;border-radius:var(--r-lg);overflow:hidden;box-shadow:var(--sh-2);background:var(--brand-tint);position:relative}
.hero-media img{width:100%;aspect-ratio:16/10;object-fit:cover}
.hero-media figcaption{position:absolute;left:0;right:0;bottom:0;padding:26px 20px 14px;font-size:13px;color:#fff;background:linear-gradient(to top,rgba(14,27,46,.72),rgba(14,27,46,0))}

/* 快捷定位条 */
.quick-strip{margin-top:56px;padding-bottom:64px}
.quick-strip h2{font-size:15px;color:var(--ink-3);font-weight:600;margin-bottom:16px}
.quick-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.quick-card{display:flex;align-items:center;gap:14px;padding:18px 20px;background:#fff;border:1px solid var(--line);border-radius:var(--r-card);box-shadow:var(--sh-1);transition:transform .18s ease,box-shadow .18s ease,border-color .18s ease}
.quick-card:hover{transform:translateY(-2px);box-shadow:var(--sh-2);border-color:var(--brand-line)}
.quick-card__icon{width:42px;height:42px;border-radius:12px;display:grid;place-items:center;background:var(--brand-tint);color:var(--brand);font-size:16px;flex-shrink:0}
.quick-card h3{font-size:15.5px;font-weight:600;color:var(--ink)}
.quick-card p{font-size:13.5px;color:var(--ink-3);margin-top:2px}

/* ===== FAQ 问答列表 ===== */
.faq-wrap{max-width:880px;margin:0 auto}
.accordion.rl-faq{background:transparent;border:none;margin:0}
.rl-faq .accordion-item{background:#fff;border:1px solid var(--line);border-radius:var(--r-card);margin-bottom:12px;overflow:hidden;box-shadow:var(--sh-1);transition:box-shadow .2s ease,border-color .2s ease}
.rl-faq .accordion-item:hover{box-shadow:var(--sh-2)}
.rl-faq .accordion-item.is-active{border-color:var(--brand-line);box-shadow:inset 3px 0 0 var(--brand),var(--sh-2)}
.rl-faq .accordion-title{display:block;position:relative;padding:18px 56px 18px 22px;font-size:16.5px;font-weight:600;color:var(--ink);background:transparent;border:none;line-height:1.6}
.rl-faq .accordion-title::before{display:none!important;content:none!important}
.rl-faq .accordion-title::after{content:"";position:absolute;right:24px;top:50%;width:9px;height:9px;border-right:2px solid var(--brand);border-bottom:2px solid var(--brand);transform:translateY(-70%) rotate(45deg);transition:transform .25s ease}
.rl-faq .accordion-item.is-active .accordion-title::after{transform:translateY(-30%) rotate(-135deg)}
.rl-faq .accordion-title:hover{color:var(--brand)}
.rl-faq .accordion-content{display:none;background:#fff;border:none;padding:0 22px 20px 22px;color:var(--ink-2);font-size:15.5px;line-height:1.85}
.rl-faq .accordion-content p{color:var(--ink-2)}
.rl-faq .accordion-content .faq-note{margin-top:10px;font-size:13.5px;color:var(--ink-3);padding:10px 14px;background:var(--brand-tint);border-radius:10px}

/* ===== 参数对照表 ===== */
.cmp-table{width:100%;border-collapse:separate;border-spacing:0;background:#fff;border-radius:var(--r-card);overflow:hidden;box-shadow:var(--sh-1)}
.cmp-table caption{caption-side:top;text-align:left;font-size:13.5px;color:var(--ink-3);padding:0 0 14px}
.cmp-table th{background:var(--brand-tint);color:var(--brand-deep);font-weight:600;font-size:14px;text-align:left;padding:15px 20px;border-bottom:1px solid var(--line);white-space:nowrap}
.cmp-table td{padding:16px 20px;border-bottom:1px solid var(--line);font-size:14.5px;color:var(--ink-2);vertical-align:top;line-height:1.7}
.cmp-table tbody tr:last-child td{border-bottom:none}
.cmp-table tbody tr:hover td{background:#FBFCFE}
.cmp-symptom{font-weight:600;color:var(--ink)}
.cmp-state{display:inline-flex;align-items:center;gap:6px;font-size:13px;font-weight:600;padding:3px 10px;border-radius:var(--r-pill)}
.cmp-state--ok{background:rgba(31,157,107,.1);color:var(--ok)}
.cmp-state--warn{background:rgba(217,130,43,.12);color:#A96C12}
.cmp-state--fast{background:var(--brand-tint);color:var(--brand-deep)}

/* ===== 支持说明块 ===== */
.support-panel{display:grid;grid-template-columns:1.15fr .85fr;gap:24px;align-items:stretch}
.support-card{background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);padding:32px;box-shadow:var(--sh-1)}
.support-card h3{font-size:20px;font-weight:700;color:var(--ink);margin-bottom:14px}
.support-card p{font-size:15px;color:var(--ink-2);line-height:1.85}
.support-list{margin-top:18px;display:grid;gap:10px}
.support-list li{display:flex;gap:10px;align-items:flex-start;font-size:14.5px;color:var(--ink-2)}
.support-list i{color:var(--brand);margin-top:5px;font-size:13px}
.support-media{position:relative;border-radius:var(--r-lg);overflow:hidden;box-shadow:var(--sh-2);min-height:280px;background:var(--brand-tint)}
.support-media img{width:100%;height:100%;object-fit:cover;position:absolute;inset:0}
.support-media .mask{position:absolute;inset:0;background:linear-gradient(200deg,rgba(18,59,140,.62),rgba(30,91,214,.24))}
.support-media .inner{position:relative;z-index:2;padding:32px;color:#fff;height:100%;display:flex;flex-direction:column;justify-content:flex-end}
.support-media .inner h3{font-size:20px;font-weight:700;color:#fff}
.support-media .inner p{margin-top:10px;font-size:14.5px;color:rgba(255,255,255,.9);line-height:1.8}

/* ===== 文章卡 ===== */
.post-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.post-card{background:#fff;border:1px solid var(--line);border-radius:var(--r-card);overflow:hidden;box-shadow:var(--sh-1);display:flex;flex-direction:column;transition:transform .18s ease,box-shadow .18s ease}
.post-card:hover{transform:translateY(-2px);box-shadow:var(--sh-2)}
.post-card__media{display:block;background:var(--brand-tint)}
.post-card__media img{width:100%;aspect-ratio:16/10;object-fit:cover}
.post-card__body{padding:22px;display:flex;flex-direction:column;flex:1}
.post-card__body h3{font-size:17px;font-weight:600;line-height:1.55;margin-top:12px}
.post-card__body h3 a{color:var(--ink)}
.post-card__body h3 a:hover{color:var(--brand);text-decoration:underline;text-decoration-thickness:1px;text-underline-offset:4px}
.post-card__body p{margin-top:10px;font-size:14.5px;color:var(--ink-3);line-height:1.8;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.post-card__meta{margin-top:auto;padding-top:18px;display:flex;align-items:center;justify-content:space-between;font-size:13.5px;color:var(--ink-3);border-top:1px solid var(--line)}

/* ===== CTA 带 ===== */
.cta-band{position:relative;overflow:hidden;background:var(--brand-deep)}
.cta-band__bg{position:absolute;inset:0;background-image:url(/assets/images/backpic/back-2.png);background-size:cover;background-position:center;opacity:.5}
.cta-band__mask{position:absolute;inset:0;background:linear-gradient(100deg,rgba(18,59,140,.94) 12%,rgba(30,91,214,.78) 100%)}
.cta-band__inner{position:relative;z-index:2;display:flex;align-items:center;justify-content:space-between;gap:28px;padding:64px 0;flex-wrap:wrap}
.cta-band h2{font-size:clamp(22px,2.6vw,28px);color:#fff;font-weight:700;line-height:1.4}
.cta-band p{margin-top:10px;color:rgba(255,255,255,.86);font-size:15px;max-width:600px;line-height:1.8}
.cta-actions{display:flex;gap:12px;flex-wrap:wrap}
.cta-band .btn--primary{background:#fff;color:var(--brand-deep);box-shadow:0 10px 26px rgba(4,20,50,.28)}
.cta-band .btn--primary:hover{background:var(--brand-tint);color:var(--brand-deep)}
.cta-band .btn--ghost{background:transparent;color:#fff;border-color:rgba(255,255,255,.55)}
.cta-band .btn--ghost:hover{background:rgba(255,255,255,.14);border-color:#fff;color:#fff}

/* ===== 页脚 ===== */
.site-footer{background:#fff;border-top:1px solid var(--line);padding:64px 0 32px}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.1fr;gap:32px}
.footer-brand{display:flex;align-items:center;gap:10px;font-size:16px;font-weight:700;color:var(--ink)}
.footer-brand__mark{width:32px;height:32px;border-radius:10px;display:grid;place-items:center;background:linear-gradient(135deg,var(--brand-light),var(--brand));color:#fff;font-size:13px}
.footer-col p{margin-top:14px;font-size:14px;color:var(--ink-3);line-height:1.85}
.footer-col h4{font-size:14px;font-weight:700;color:var(--ink);margin-bottom:16px}
.footer-col ul{display:grid;gap:10px}
.footer-col ul a{font-size:14px;color:var(--ink-2)}
.footer-col ul a:hover{color:var(--brand)}
.footer-qr{width:104px;height:104px;border-radius:14px;background:var(--brand-tint);border:1px solid var(--brand-line);display:grid;place-items:center;color:var(--brand);font-size:38px;margin-top:12px}
.footer-qr-note{margin-top:12px;font-size:13px;color:var(--ink-3);line-height:1.7}
.footer-bottom{margin-top:44px;padding-top:22px;border-top:1px solid var(--line);display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;font-size:13.5px;color:var(--ink-3)}
.footer-bottom a{color:var(--brand)}

/* ===== 响应式 ===== */
@media (max-width:1199px){
  .quick-grid{grid-template-columns:repeat(3,1fr)}
}
@media (max-width:1023px){
  :root{--sec:80px}
  .dock-nav,.dock-dropdown,.dock-cta{display:none}
  .dock-burger{display:flex}
  .dock{padding:8px 10px 8px 14px}
  .quick-grid{grid-template-columns:1fr 1fr}
  .support-panel{grid-template-columns:1fr}
  .post-grid{grid-template-columns:1fr 1fr}
  .footer-grid{grid-template-columns:1fr 1fr}
  .search-panel{top:74px}
}
@media (max-width:639px){
  :root{--sec:56px}
  .rl-container{padding:0 20px}
  .crumb-bar{padding-top:84px}
  .hero-sub{font-size:15.5px}
  .hero-actions .btn{flex:1 1 auto}
  .quick-grid{grid-template-columns:1fr}
  .quick-strip{padding-bottom:48px;margin-top:40px}
  .post-grid{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr}
  .cta-band__inner{padding:48px 0}
  .cta-actions{width:100%}
  .cta-actions .btn{flex:1 1 auto}
  .float-cta{left:0;right:0;bottom:0;border-radius:0;padding:10px 16px;justify-content:space-between;gap:10px;border-left:none;border-right:none;border-bottom:none;box-shadow:0 -6px 22px rgba(14,27,46,.12)}
  .float-cta .link-arrow{padding:0}
  body.has-float{padding-bottom:78px}
  .site-footer{padding-bottom:100px}
  .cmp-table{background:transparent;box-shadow:none;border-radius:0}
  .cmp-table caption{padding-bottom:10px}
  .cmp-table thead{display:none}
  .cmp-table,.cmp-table tbody,.cmp-table tr,.cmp-table td{display:block;width:100%}
  .cmp-table tr{background:#fff;border:1px solid var(--line);border-radius:var(--r-card);box-shadow:var(--sh-1);margin-bottom:12px;overflow:hidden}
  .cmp-table td{border:none;border-bottom:1px dashed var(--line);padding:12px 18px}
  .cmp-table tbody tr:last-child td{border-bottom:1px dashed var(--line)}
  .cmp-table tr td:last-child{border-bottom:none}
  .cmp-table td::before{content:attr(data-label);display:block;font-size:12.5px;font-weight:600;color:var(--ink-3);margin-bottom:4px}
  .rl-faq .accordion-title{font-size:15.5px;padding:16px 48px 16px 18px}
  .rl-faq .accordion-content{padding:0 18px 18px 18px;font-size:15px}
}
@media (prefers-reduced-motion:reduce){
  *{transition:none!important;animation:none!important;scroll-behavior:auto!important}
}