/* roulang page: index */
:root{
  --blue:#1F6FEB;
  --blue-dark:#14509E;
  --blue-light:#E7F0FF;
  --coral:#FF7A45;
  --coral-dark:#E85F2A;
  --teal:#12B5A5;
  --bg:#F5F8FC;
  --card:#FFFFFF;
  --footer-bg:#0E1B2E;
  --border:#E4EBF5;
  --line:#EEF3F9;
  --ink:#0C1B2A;
  --text:#46586E;
  --muted:#8A98AB;
  --r-card:18px;
  --r-img:14px;
  --r-btn:12px;
  --sh-card:0 4px 14px rgba(20,60,120,.06);
  --sh-hover:0 12px 32px rgba(20,60,120,.10);
  --sh-bar:0 -6px 24px rgba(20,60,120,.08);
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;padding:0;background:var(--bg);color:var(--text);
  font-family:"PingFang SC","Microsoft YaHei","Hiragino Sans GB",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16px;line-height:1.85;letter-spacing:.1px;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0;}
a{color:var(--blue);text-decoration:none;transition:color .2s ease;}
a:hover{color:var(--blue-dark);}
button,input{font-family:inherit;}
h1,h2,h3,h4{margin:0;color:var(--ink);font-weight:700;}
h1{font-size:44px;line-height:1.25;letter-spacing:-.5px;}
h2{font-size:30px;line-height:1.3;}
h3{font-size:20px;font-weight:600;line-height:1.45;}
p{margin:0;}
ul{margin:0;padding:0;list-style:none;}
.container{max-width:1200px;margin:0 auto;padding:0 32px;}
.section{padding:88px 0;}
.section-alt{background:#FFFFFF;}
.section-soft{background:linear-gradient(180deg,#FFFFFF 0%,#F5F8FC 100%);}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:32px;}
.section-head .sh-left{max-width:640px;}
.section-sub{margin-top:10px;font-size:14px;color:var(--muted);line-height:1.7;}
.link-more{font-size:14px;font-weight:600;color:var(--blue);white-space:nowrap;display:inline-flex;align-items:center;gap:6px;}
.link-more:hover{color:var(--blue-dark);}
.link-more::after{content:"›";font-size:18px;line-height:1;}

/* ---------- header ---------- */
.site-header{position:sticky;top:0;z-index:60;background:#FFFFFF;border-bottom:1px solid var(--border);box-shadow:0 1px 2px rgba(20,60,120,.04);}
.header-inner{display:flex;align-items:center;gap:24px;height:72px;}
.logo{display:flex;align-items:center;gap:10px;flex-shrink:0;}
.logo-mark{width:34px;height:34px;border-radius:10px;background:var(--blue);display:flex;align-items:center;justify-content:center;color:#fff;font-size:15px;font-weight:700;box-shadow:0 4px 10px rgba(31,111,235,.28);}
.logo-text{font-size:17px;font-weight:700;color:var(--ink);letter-spacing:-.2px;white-space:nowrap;}
.logo-text:hover{color:var(--blue-dark);}
.nav-main{display:flex;align-items:center;gap:4px;margin-left:8px;}
.nav-main a{position:relative;display:inline-block;padding:8px 14px;font-size:15px;color:var(--text);font-weight:500;border-radius:10px;}
.nav-main a:hover{color:var(--blue);background:var(--blue-light);}
.nav-main a.active{color:var(--blue);font-weight:700;}
.nav-main a.active::after{content:"";position:absolute;left:14px;right:14px;bottom:0;height:2px;border-radius:2px;background:var(--blue);}
.header-right{margin-left:auto;display:flex;align-items:center;gap:14px;}
.search-box{position:relative;display:flex;align-items:center;}
.search-box svg{position:absolute;left:12px;width:16px;height:16px;color:var(--muted);}
.search-box input{
  width:210px;height:42px;padding:0 14px 0 36px;border:1px solid var(--border);
  border-radius:999px;background:#F7FAFE;font-size:14px;color:var(--ink);outline:none;
  transition:border-color .2s ease,box-shadow .2s ease,background .2s ease;
}
.search-box input::placeholder{color:var(--muted);}
.search-box input:focus{border-color:var(--blue);background:#fff;box-shadow:0 0 0 4px rgba(31,111,235,.12);}
.hamburger{display:none;width:42px;height:42px;border-radius:12px;border:1px solid var(--border);background:#fff;align-items:center;justify-content:center;cursor:pointer;}
.hamburger span{display:block;width:18px;height:2px;background:var(--ink);border-radius:2px;position:relative;}
.hamburger span::before,.hamburger span::after{content:"";position:absolute;left:0;width:18px;height:2px;background:var(--ink);border-radius:2px;}
.hamburger span::before{top:-6px;}
.hamburger span::after{top:6px;}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:44px;padding:0 22px;border-radius:var(--r-btn);border:1px solid transparent;
  font-size:15px;font-weight:600;cursor:pointer;text-align:center;white-space:nowrap;
  transition:background-color .2s ease,color .2s ease,border-color .2s ease,transform .2s ease,box-shadow .2s ease;
}
.btn:focus-visible{outline:none;box-shadow:0 0 0 4px rgba(31,111,235,.22);}
.btn-primary{background:var(--blue);color:#fff;box-shadow:0 6px 16px rgba(31,111,235,.24);}
.btn-primary:hover{background:var(--blue-dark);color:#fff;transform:translateY(-1px);box-shadow:0 10px 24px rgba(31,111,235,.3);}
.btn-primary:active{transform:translateY(0);}
.btn-coral{background:var(--coral);color:#fff;box-shadow:0 6px 16px rgba(255,122,69,.26);}
.btn-coral:hover{background:var(--coral-dark);color:#fff;transform:translateY(-1px);box-shadow:0 10px 24px rgba(255,122,69,.32);}
.btn-coral:active{transform:translateY(0);}
.btn-outline{background:#fff;border-color:var(--blue);color:var(--blue);}
.btn-outline:hover{background:var(--blue-light);color:var(--blue-dark);border-color:var(--blue-dark);transform:translateY(-1px);}
.btn-ghost{background:transparent;color:var(--text);}
.btn-ghost:hover{color:var(--blue);background:var(--blue-light);}
.btn-sm{height:36px;padding:0 16px;font-size:13px;border-radius:10px;}
.btn-lg{height:48px;padding:0 30px;font-size:16px;border-radius:999px;}
.btn-block{width:100%;}

/* ---------- chips ---------- */
.chip{display:inline-flex;align-items:center;height:24px;padding:0 10px;border-radius:999px;font-size:12px;font-weight:600;line-height:1;background:var(--blue-light);color:var(--blue-dark);}
.chip-teal{background:rgba(18,181,165,.12);color:#0B8E82;}
.chip-coral{background:rgba(255,122,69,.13);color:#D2541F;}
.chip-gray{background:#EEF2F8;color:var(--muted);}

/* ---------- hero ---------- */
.hero{position:relative;background:#FFFFFF;border-bottom:1px solid var(--border);overflow:hidden;}
.hero::before{content:"";position:absolute;right:-140px;top:-80px;width:520px;height:520px;border-radius:50%;background:var(--blue-light);opacity:.75;}
.hero-grid{position:relative;display:grid;grid-template-columns:55% 45%;align-items:center;gap:24px;min-height:520px;padding-top:56px;padding-bottom:56px;}
.hero-badge{display:inline-flex;align-items:center;gap:8px;height:30px;padding:0 14px;border-radius:999px;background:var(--blue-light);color:var(--blue-dark);font-size:13px;font-weight:600;margin-bottom:20px;}
.hero-badge i{width:6px;height:6px;border-radius:50%;background:var(--blue);display:inline-block;}
.hero h1{max-width:600px;}
.hero-sub{margin-top:18px;font-size:16px;line-height:1.85;color:var(--text);max-width:480px;}
.hero-cta{display:flex;flex-wrap:wrap;gap:14px;margin-top:28px;}
.hero-stats{display:flex;align-items:center;gap:0;margin-top:40px;border-top:1px solid var(--line);padding-top:22px;}
.hero-stats .stat{flex:1;padding-right:18px;margin-right:18px;border-right:1px solid var(--line);}
.hero-stats .stat:last-child{border-right:0;margin-right:0;padding-right:0;}
.stat-num{display:block;font-size:24px;font-weight:600;color:var(--ink);letter-spacing:1px;line-height:1.3;}
.stat-label{display:block;font-size:13px;color:var(--muted);margin-top:2px;}
.hero-stage{position:relative;height:440px;}
.stage-card{position:absolute;border-radius:var(--r-card);overflow:hidden;border:1px solid var(--border);box-shadow:var(--sh-card);background:#fff;}
.stage-card img{width:100%;height:100%;object-fit:cover;}
.stage-a{width:212px;height:377px;left:64px;top:28px;z-index:3;box-shadow:0 12px 32px rgba(20,60,120,.16);}
.stage-b{width:172px;height:306px;left:0;top:96px;z-index:2;opacity:.96;}
.stage-c{width:160px;height:284px;right:6px;top:60px;z-index:1;opacity:.94;}
.play-btn{position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);width:56px;height:56px;border-radius:50%;background:var(--coral);display:flex;align-items:center;justify-content:center;box-shadow:0 10px 24px rgba(255,122,69,.4);}
.play-btn::after{content:"";width:0;height:0;border-left:14px solid #fff;border-top:9px solid transparent;border-bottom:9px solid transparent;margin-left:4px;}
.dur-badge{position:absolute;right:12px;top:12px;height:24px;padding:0 10px;border-radius:999px;background:rgba(14,27,46,.72);color:#fff;font-size:12px;font-weight:600;line-height:24px;letter-spacing:1px;}
.stage-caption{position:absolute;left:0;right:0;bottom:0;padding:52px 14px 14px;background:linear-gradient(180deg,rgba(12,27,42,0) 0%,rgba(12,27,42,.82) 100%);color:#fff;}
.stage-caption h3{color:#fff;font-size:15px;font-weight:600;line-height:1.45;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.stage-caption span{display:inline-block;margin-top:8px;font-size:12px;color:rgba(255,255,255,.82);letter-spacing:1px;}

/* ---------- rail ---------- */
.rail{display:flex;gap:20px;overflow-x:auto;padding:6px 4px 22px;scroll-snap-type:x proximity;}
.rail::-webkit-scrollbar{height:6px;}
.rail::-webkit-scrollbar-thumb{background:#D6E1F0;border-radius:999px;}
.rail::-webkit-scrollbar-track{background:transparent;}
.clip-card{flex:0 0 200px;scroll-snap-align:start;background:#fff;border:1px solid var(--border);border-radius:var(--r-card);overflow:hidden;box-shadow:var(--sh-card);transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;}
.clip-card:hover{transform:translateY(-4px);box-shadow:var(--sh-hover);border-color:var(--blue-light);}
.clip-thumb{position:relative;aspect-ratio:9/16;overflow:hidden;background:#EDF2F9;}
.clip-thumb img{width:100%;height:100%;object-fit:cover;}
.clip-body{padding:14px 14px 16px;}
.clip-body h3{font-size:15px;line-height:1.5;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;min-height:45px;}
.clip-tags{display:flex;flex-wrap:wrap;gap:6px;margin-top:10px;}
.clip-views{margin-top:10px;font-size:12px;color:var(--muted);letter-spacing:1px;display:flex;align-items:center;gap:6px;}
.dot{width:4px;height:4px;border-radius:50%;background:var(--teal);display:inline-block;}

/* ---------- list pick ---------- */
.pick-grid{display:grid;grid-template-columns:1fr 1fr;gap:0 40px;}
.pick-item{display:flex;align-items:center;gap:18px;padding:22px 0;border-bottom:1px solid var(--line);}
.pick-num{flex:0 0 auto;width:52px;font-size:30px;font-weight:700;color:var(--coral);letter-spacing:1px;line-height:1;font-variant-numeric:tabular-nums;}
.pick-main{flex:1 1 auto;min-width:0;}
.pick-main h3{font-size:17px;}
.pick-main p{margin-top:4px;font-size:14px;color:var(--muted);line-height:1.7;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;}

/* ---------- reviews ---------- */
.review-rail{display:flex;gap:20px;overflow-x:auto;padding:6px 4px 22px;scroll-snap-type:x proximity;}
.review-rail::-webkit-scrollbar{height:6px;}
.review-rail::-webkit-scrollbar-thumb{background:#D6E1F0;border-radius:999px;}
.review-card{flex:0 0 300px;scroll-snap-align:start;background:#fff;border:1px solid var(--border);border-radius:var(--r-card);padding:22px;box-shadow:var(--sh-card);transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;}
.review-card:hover{transform:translateY(-4px);box-shadow:var(--sh-hover);border-color:var(--blue-light);}
.review-top{display:flex;align-items:center;gap:12px;}
.avatar{width:44px;height:44px;border-radius:50%;background:var(--blue-light);color:var(--blue-dark);display:flex;align-items:center;justify-content:center;font-weight:700;font-size:15px;flex-shrink:0;}
.review-name{font-size:15px;font-weight:600;color:var(--ink);}
.stars{margin-top:2px;font-size:12px;color:var(--coral);letter-spacing:2px;}
.review-text{margin-top:14px;font-size:14px;line-height:1.8;color:var(--text);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.review-tag{margin-top:14px;}

/* ---------- cms cards ---------- */
.cms-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.cms-card{display:flex;flex-direction:column;background:#fff;border:1px solid var(--border);border-radius:var(--r-card);overflow:hidden;box-shadow:var(--sh-card);transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;}
.cms-card:hover{transform:translateY(-4px);box-shadow:var(--sh-hover);border-color:var(--blue-light);}
.cms-thumb{aspect-ratio:16/9;overflow:hidden;background:#EDF2F9;}
.cms-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .35s ease;}
.cms-card:hover .cms-thumb img{transform:scale(1.04);}
.cms-body{padding:20px;display:flex;flex-direction:column;flex:1 1 auto;}
.cms-body h3{margin-top:12px;font-size:18px;line-height:1.5;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.cms-body p{margin-top:10px;font-size:14px;line-height:1.75;color:var(--muted);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.cms-meta{margin-top:18px;padding-top:14px;border-top:1px solid var(--line);display:flex;align-items:center;justify-content:space-between;font-size:13px;color:var(--muted);}
.cms-meta .go{color:var(--blue);font-weight:600;}
.empty-state{grid-column:1/-1;background:#fff;border:1px dashed var(--border);border-radius:var(--r-card);padding:56px 24px;text-align:center;}
.empty-icon{width:56px;height:56px;border-radius:16px;background:var(--blue-light);color:var(--blue);display:flex;align-items:center;justify-content:center;margin:0 auto 18px;font-size:22px;font-weight:700;}
.empty-state p{font-size:14px;color:var(--muted);margin-bottom:20px;}

/* ---------- cta band ---------- */
.cta-band{background:var(--blue-light);border:1px solid #D5E4FB;border-radius:24px;padding:36px 40px;display:flex;align-items:center;justify-content:space-between;gap:28px;flex-wrap:wrap;}
.cta-band h2{font-size:24px;}
.cta-band p{margin-top:8px;font-size:14px;color:var(--text);}
.cta-actions{display:flex;gap:14px;flex-wrap:wrap;}

/* ---------- faq ---------- */
.faq-list{max-width:900px;margin:0 auto;display:flex;flex-direction:column;gap:14px;}
.faq-item{background:#fff;border:1px solid var(--border);border-radius:24px;box-shadow:var(--sh-card);overflow:hidden;transition:border-color .2s ease,box-shadow .2s ease;}
.faq-item.open{border-color:var(--blue-light);box-shadow:var(--sh-hover);}
.faq-q{width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;padding:20px 24px;background:transparent;border:0;cursor:pointer;text-align:left;font-size:16px;font-weight:600;color:var(--ink);}
.faq-q:focus-visible{outline:none;box-shadow:inset 0 0 0 3px rgba(31,111,235,.18);border-radius:24px;}
.faq-icon{flex:0 0 auto;width:26px;height:26px;border-radius:50%;background:var(--blue-light);color:var(--blue-dark);display:flex;align-items:center;justify-content:center;font-size:16px;font-weight:700;line-height:1;transition:transform .2s ease,background-color .2s ease,color .2s ease;}
.faq-item.open .faq-icon{transform:rotate(45deg);background:var(--coral);color:#fff;}
.faq-a{max-height:0;overflow:hidden;transition:max-height .28s ease;}
.faq-a-inner{padding:0 24px 22px;font-size:15px;line-height:1.85;color:var(--text);}

/* ---------- footer ---------- */
.site-footer{background:var(--footer-bg);color:#A7B6CC;padding:64px 0 0;margin-top:0;}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:40px;}
.footer-brand .logo-text{color:#fff;}
.footer-brand .logo-mark{background:var(--blue);}
.footer-brand p{margin-top:16px;font-size:14px;line-height:1.8;color:#8FA0B8;max-width:300px;}
.footer-col h4{font-size:14px;color:#8FA0B8;font-weight:600;margin-bottom:18px;letter-spacing:.5px;}
.footer-col li{margin-bottom:12px;}
.footer-col a{font-size:14px;color:#C6D3E4;}
.footer-col a:hover{color:#fff;}
.footer-col .plain{font-size:14px;color:#C6D3E4;}
.footer-bottom{margin-top:48px;border-top:1px solid rgba(255,255,255,.08);padding:22px 0;display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;font-size:13px;color:#7E8FA6;}

/* ---------- sticky bar ---------- */
.sticky-bar{position:fixed;left:0;right:0;bottom:0;z-index:70;background:#fff;border-top:1px solid var(--border);box-shadow:var(--sh-bar);height:64px;display:none;align-items:center;justify-content:space-between;gap:12px;padding:0 20px;transition:transform .25s ease,opacity .25s ease;}
.sticky-bar.is-hidden{transform:translateY(110%);opacity:0;pointer-events:none;}
.sticky-bar span{font-size:13px;color:var(--text);line-height:1.4;}

/* ---------- drawer ---------- */
.drawer-mask{position:fixed;inset:0;background:rgba(12,27,42,.42);opacity:0;visibility:hidden;transition:opacity .25s ease;z-index:80;}
.drawer-mask.show{opacity:1;visibility:visible;}
.drawer{position:fixed;right:0;top:0;bottom:0;width:300px;max-width:86vw;background:#fff;z-index:90;transform:translateX(102%);transition:transform .28s ease;display:flex;flex-direction:column;padding:22px;overflow-y:auto;}
.drawer.show{transform:translateX(0);}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:24px;}
.drawer-close{width:38px;height:38px;border-radius:12px;border:1px solid var(--border);background:#fff;cursor:pointer;font-size:18px;color:var(--ink);line-height:1;}
.drawer-nav a{display:block;padding:14px 4px;font-size:16px;color:var(--text);border-bottom:1px solid var(--line);}
.drawer-nav a.active{color:var(--blue);font-weight:700;}
.drawer-cta{margin-top:auto;padding-top:24px;}

/* ---------- responsive ---------- */
@media (max-width:1024px){
  .header-inner{gap:16px;}
  .nav-main a{padding:8px 10px;font-size:14px;}
  .search-box input{width:160px;}
  .hero-grid{grid-template-columns:1fr;min-height:auto;padding-top:40px;padding-bottom:48px;gap:40px;}
  .hero h1{max-width:100%;}
  .hero-sub{max-width:100%;}
  .hero-stage{height:400px;margin:0 auto;max-width:520px;width:100%;}
  .cms-grid{grid-template-columns:repeat(2,1fr);}
  .pick-grid{grid-template-columns:1fr;}
  .section{padding:64px 0;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
}
@media (max-width:768px){
  .container{padding:0 20px;}
  h1{font-size:28px;}
  h2{font-size:22px;}
  h3{font-size:18px;}
  body{font-size:15px;}
  .nav-main,.header-right .search-box{display:none;}
  .hamburger{display:flex;}
  .header-right{gap:10px;}
  .section{padding:48px 0;}
  .section-head{flex-direction:column;align-items:flex-start;gap:12px;margin-bottom:24px;}
  .hero-stats{flex-wrap:wrap;gap:16px 0;}
  .hero-stats .stat{flex:1 1 33%;border-right:0;margin-right:0;padding-right:0;}
  .stage-a{width:180px;height:320px;left:52%;transform:translateX(-50%);}
  .stage-b{width:140px;height:249px;left:0;top:88px;}
  .stage-c{width:130px;height:231px;right:0;top:60px;}
  .hero-stage{height:380px;}
  .clip-card{flex:0 0 168px;}
  .clip-body h3{font-size:14px;}
  .review-card{flex:0 0 260px;}
  .cms-grid{grid-template-columns:1fr;}
  .cta-band{padding:28px 22px;border-radius:18px;}
  .faq-q{padding:18px;font-size:15px;}
  .faq-a-inner{padding:0 18px 18px;font-size:14px;}
  .footer-grid{grid-template-columns:1fr;gap:28px;}
  .site-footer{padding-top:48px;}
  .sticky-bar{display:flex;}
  .pick-item{align-items:flex-start;gap:14px;}
  .pick-num{width:38px;font-size:24px;}
  .pick-main p{white-space:normal;}
}
@media (max-width:520px){
  .rail{gap:14px;}
  .clip-card{flex:0 0 156px;}
  .review-rail{gap:14px;}
  .review-card{flex:0 0 84%;}
  .hero-cta .btn{width:100%;}
  .cta-actions{width:100%;}
  .cta-actions .btn{width:100%;}
}

/* roulang page: article */
:root{
  --primary:#1F6FEB;
  --primary-dark:#14509E;
  --primary-light:#E7F0FF;
  --accent:#FF7A45;
  --accent-dark:#E8622E;
  --teal:#12B5A5;
  --teal-light:#E4F7F5;
  --bg:#F5F8FC;
  --surface:#FFFFFF;
  --footer-bg:#0E1B2E;
  --border:#E4EBF5;
  --divider:#EEF3F9;
  --text:#0C1B2A;
  --text-body:#46586E;
  --text-muted:#8A98AB;
  --radius-card:18px;
  --radius-img:14px;
  --radius-btn:12px;
  --shadow-card:0 4px 14px rgba(20,60,120,.06);
  --shadow-hover:0 12px 32px rgba(20,60,120,.10);
  --shadow-bar:0 -6px 24px rgba(20,60,120,.08);
}
*{box-sizing:border-box;margin:0;padding:0}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  font-family:"PingFang SC","Microsoft YaHei","Hiragino Sans GB",system-ui,-apple-system,"Segoe UI",Arial,sans-serif;
  background:var(--bg);
  color:var(--text-body);
  font-size:16px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
button,input{font:inherit;color:inherit}
ul,ol{list-style:none}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 32px}

/* ---------- header ---------- */
.site-header{position:sticky;top:0;z-index:50;background:var(--surface);border-bottom:1px solid var(--border);box-shadow:0 1px 2px rgba(20,60,120,.04)}
.header-inner{display:flex;align-items:center;gap:26px;height:72px;max-width:1200px;margin:0 auto;padding:0 32px}
.logo{display:flex;align-items:center;gap:10px;flex-shrink:0}
.logo-mark{width:32px;height:32px;border-radius:9px;background:var(--primary);color:#fff;display:flex;align-items:center;justify-content:center;font-size:12px;font-weight:700;letter-spacing:.6px}
.logo-text{font-size:17px;font-weight:700;color:var(--text);letter-spacing:.2px;white-space:nowrap}
.nav-main{display:flex;align-items:center;gap:4px}
.nav-main a{position:relative;padding:8px 12px;font-size:15px;color:var(--text-body);border-radius:10px;transition:color .18s,background-color .18s}
.nav-main a:hover{color:var(--primary);background:var(--primary-light)}
.nav-main a.active{color:var(--primary);font-weight:600}
.nav-main a.active::after{content:"";position:absolute;left:12px;right:12px;bottom:2px;height:2px;border-radius:2px;background:var(--primary)}
.header-right{margin-left:auto;display:flex;align-items:center;gap:12px}
.search-box{display:flex;align-items:center;gap:8px;height:42px;padding:0 14px;border:1px solid var(--border);border-radius:var(--radius-btn);background:#FBFCFE;transition:border-color .18s,box-shadow .18s,background-color .18s}
.search-box:focus-within{border-color:var(--primary);background:#fff;box-shadow:0 0 0 3px rgba(31,111,235,.14)}
.search-box svg{flex-shrink:0;color:var(--text-muted)}
.search-box input{width:150px;border:0;outline:0;background:transparent;font-size:14px}
.search-box input::placeholder{color:var(--text-muted)}
.hamburger{display:none;width:42px;height:42px;border:1px solid var(--border);border-radius:var(--radius-btn);background:#fff;cursor:pointer;flex-direction:column;align-items:center;justify-content:center;gap:4px}
.hamburger span{width:18px;height:2px;border-radius:2px;background:var(--text);transition:.2s}
.hamburger:hover{border-color:var(--primary)}
.hamburger:hover span{background:var(--primary)}

/* ---------- buttons ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;height:44px;padding:0 20px;border-radius:var(--radius-btn);font-size:15px;font-weight:600;border:1px solid transparent;cursor:pointer;white-space:nowrap;transition:transform .18s,box-shadow .18s,background-color .18s,color .18s,border-color .18s}
.btn-primary{background:var(--primary);color:#fff}
.btn-primary:hover{background:var(--primary-dark);transform:translateY(-1px);box-shadow:0 10px 22px rgba(31,111,235,.26)}
.btn-primary:active{transform:translateY(0);box-shadow:none}
.btn-accent{background:var(--accent);color:#fff;border-radius:999px}
.btn-accent:hover{background:var(--accent-dark);transform:translateY(-1px);box-shadow:0 10px 22px rgba(255,122,69,.28)}
.btn-accent:active{transform:translateY(0);box-shadow:none}
.btn-outline{background:#fff;color:var(--primary);border-color:var(--primary)}
.btn-outline:hover{background:var(--primary-light);transform:translateY(-1px)}
.btn-ghost{background:transparent;color:var(--text-muted)}
.btn-ghost:hover{color:var(--primary)}
.btn-lg{height:48px;padding:0 26px;font-size:16px}
.btn-block{width:100%}
.btn:focus-visible{outline:none;box-shadow:0 0 0 3px rgba(31,111,235,.32)}

/* ---------- drawer ---------- */
.drawer-overlay{position:fixed;inset:0;background:rgba(12,27,42,.45);opacity:0;visibility:hidden;transition:.25s;z-index:70}
.drawer-overlay.show{opacity:1;visibility:visible}
.drawer{position:fixed;top:0;right:0;bottom:0;width:288px;max-width:84vw;background:#fff;z-index:80;padding:24px 20px;display:flex;flex-direction:column;gap:6px;transform:translateX(102%);transition:transform .28s ease;box-shadow:-12px 0 32px rgba(20,60,120,.12);overflow-y:auto}
.drawer.open{transform:translateX(0)}
.drawer-title{font-size:13px;color:var(--text-muted);letter-spacing:1px;margin:6px 4px 10px}
.drawer a.drawer-link{padding:12px 14px;border-radius:var(--radius-btn);font-size:15px;color:var(--text-body);transition:.18s}
.drawer a.drawer-link:hover{background:var(--primary-light);color:var(--primary)}
.drawer a.drawer-link.active{background:var(--primary-light);color:var(--primary);font-weight:600}
.drawer-cta{margin-top:auto;padding-top:20px}

/* ---------- breadcrumb ---------- */
.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:14px;color:var(--text-muted);padding:26px 0 0}
.breadcrumb a{color:var(--text-muted);transition:color .18s}
.breadcrumb a:hover{color:var(--primary)}
.breadcrumb .sep{color:#C6D2E2}
.breadcrumb .current{color:var(--text-body)}

/* ---------- article head ---------- */
.article-header{padding:20px 0 8px;max-width:880px}
.article-header h1{font-size:44px;line-height:1.25;font-weight:700;color:var(--text);letter-spacing:-.5px}
.article-meta{display:flex;flex-wrap:wrap;align-items:center;gap:10px;margin-top:18px;font-size:14px;color:var(--text-muted)}
.article-meta .dot{width:4px;height:4px;border-radius:50%;background:#C6D2E2}
.article-cover{margin-top:28px;border-radius:var(--radius-img);overflow:hidden;border:1px solid var(--border);box-shadow:var(--shadow-card);background:#fff}
.article-cover img{width:100%;aspect-ratio:16/9;object-fit:cover}

/* ---------- layout ---------- */
.article-layout{display:grid;grid-template-columns:minmax(0,1fr) 260px;gap:56px;align-items:start;padding:40px 0 72px}
.article-main{min-width:0;max-width:820px}

/* ---------- content ---------- */
.article-content{font-size:17px;line-height:1.9;color:var(--text-body);overflow-wrap:break-word}
.article-content p{margin:18px 0}
.article-content h2{font-size:26px;line-height:1.35;font-weight:700;color:var(--text);margin:40px 0 16px}
.article-content h3{font-size:19px;line-height:1.45;font-weight:600;color:var(--text);margin:28px 0 12px}
.article-content ul,.article-content ol{margin:18px 0}
.article-content ul li{position:relative;padding-left:20px;margin:8px 0}
.article-content ul li::before{content:"";position:absolute;left:0;top:.72em;width:6px;height:6px;border-radius:2px;background:var(--primary)}
.article-content ol{counter-reset:li;padding-left:4px}
.article-content ol li{position:relative;padding-left:34px;margin:10px 0;counter-increment:li}
.article-content ol li::before{content:counter(li);position:absolute;left:0;top:.28em;width:22px;height:22px;border-radius:7px;background:var(--primary-light);color:var(--primary-dark);font-size:12px;font-weight:600;display:flex;align-items:center;justify-content:center;line-height:1}
.article-content blockquote{margin:22px 0;padding:16px 22px;border-left:3px solid var(--primary);background:var(--primary-light);border-radius:0 12px 12px 0;color:#2C4260;font-size:16px}
.article-content img{border-radius:var(--radius-img);margin:20px auto}
.article-content a{color:var(--primary);text-decoration:underline;text-underline-offset:3px}
.article-content a:hover{color:var(--primary-dark)}
.article-content table{width:100%;border-collapse:collapse;margin:22px 0;font-size:15px;border:1px solid var(--border);background:#fff}
.article-content th,.article-content td{border:1px solid var(--border);padding:10px 14px;text-align:left}
.article-content th{background:var(--primary-light);color:var(--text);font-weight:600}

/* ---------- empty ---------- */
.empty-state{background:#fff;border:1px solid var(--border);border-radius:var(--radius-card);padding:56px 28px;text-align:center;box-shadow:var(--shadow-card)}
.empty-icon{width:56px;height:56px;border-radius:16px;background:var(--primary-light);color:var(--primary);display:flex;align-items:center;justify-content:center;margin:0 auto 18px}
.empty-state h2{font-size:22px;font-weight:700;color:var(--text)}
.empty-state p{margin:10px 0 22px;font-size:15px;color:var(--text-muted)}

/* ---------- article foot ---------- */
.article-foot{margin-top:44px;padding-top:26px;border-top:1px solid var(--divider)}
.tag-row{display:flex;flex-wrap:wrap;gap:10px}
.chip{display:inline-flex;align-items:center;height:28px;padding:0 12px;border-radius:999px;font-size:12px;font-weight:500;background:var(--primary-light);color:var(--primary-dark);transition:.18s}
.chip:hover{background:#D6E6FF}
.chip-teal{background:var(--teal-light);color:#0C7F75}
.chip-teal:hover{background:#D5F1ED}
.foot-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:24px}

/* ---------- sidebar ---------- */
.sidebar{position:sticky;top:96px;display:flex;flex-direction:column;gap:20px}
.side-card{background:#fff;border:1px solid var(--border);border-radius:var(--radius-card);padding:22px;box-shadow:var(--shadow-card)}
.side-card h3{font-size:16px;font-weight:600;color:var(--text);margin-bottom:12px}
.side-card .side-note{font-size:13px;color:var(--text-muted);line-height:1.7}
.side-list li+li{border-top:1px solid var(--divider)}
.side-list a{display:block;padding:11px 0;font-size:14px;color:var(--text-body);line-height:1.6;transition:color .18s,padding-left .18s}
.side-list a:hover{color:var(--primary);padding-left:4px}

/* ---------- sections ---------- */
.section{padding:0 0 64px}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:28px}
.section-head h2{font-size:30px;font-weight:700;color:var(--text);line-height:1.3}
.section-head .sub{margin-top:10px;font-size:14px;color:var(--text-muted)}
.section-head .more{font-size:14px;color:var(--primary);font-weight:600;white-space:nowrap}
.section-head .more:hover{color:var(--primary-dark)}
.grid-3{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px}

.recommend{display:flex;flex-direction:column;background:#fff;border:1px solid var(--border);border-radius:var(--radius-card);overflow:hidden;box-shadow:var(--shadow-card);transition:transform .2s,box-shadow .2s,border-color .2s}
.recommend:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);border-color:#D3E2FA}
.recommend .thumb{aspect-ratio:16/9;overflow:hidden;background:#EEF3F9}
.recommend .thumb img{width:100%;height:100%;object-fit:cover;transition:transform .45s}
.recommend:hover .thumb img{transform:scale(1.04)}
.recommend .body{padding:20px 22px 22px;display:flex;flex-direction:column;flex:1}
.recommend h3{font-size:17px;font-weight:600;color:var(--text);line-height:1.5;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.recommend p{margin-top:10px;font-size:14px;line-height:1.7;color:var(--text-body);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.recommend .meta{margin-top:auto;padding-top:14px;display:flex;align-items:center;justify-content:space-between;gap:10px;font-size:13px;color:var(--text-muted);border-top:1px solid var(--divider);margin-top:16px}
.recommend .meta .link{color:var(--primary);font-weight:600}
.recommend:hover .meta .link{color:var(--primary-dark)}

/* ---------- cta band ---------- */
.cta-band{background:linear-gradient(180deg,#FFFFFF 0%,#F8FBFF 100%);border:1px solid var(--border);border-radius:20px;box-shadow:var(--shadow-card);padding:32px 36px;display:flex;align-items:center;justify-content:space-between;gap:28px;flex-wrap:wrap}
.cta-band h2{font-size:24px;font-weight:700;color:var(--text);line-height:1.4}
.cta-band p{margin-top:10px;font-size:15px;color:var(--text-muted);max-width:560px}
.cta-actions{display:flex;gap:12px;flex-wrap:wrap}

/* ---------- footer ---------- */
.site-footer{background:var(--footer-bg);color:#93A3B8;padding:64px 0 0}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:40px;padding-bottom:44px}
.footer-brand .logo{margin-bottom:16px}
.footer-brand .logo-mark{background:var(--primary)}
.footer-brand .logo-text{color:#fff}
.footer-brand p{font-size:14px;line-height:1.8;color:#8B9BB1;max-width:320px}
.footer-col h4{font-size:14px;font-weight:600;color:#7D8CA3;margin-bottom:16px;letter-spacing:.4px}
.footer-col ul{display:flex;flex-direction:column;gap:10px}
.footer-col a,.footer-col .plain{font-size:14px;color:#B8C4D4;transition:color .18s}
.footer-col a:hover{color:#fff}
.footer-bottom{border-top:1px solid rgba(255,255,255,.08);padding:20px 0;display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap;font-size:13px;color:#7D8CA3}

/* ---------- mobile bar ---------- */
.mobile-bar{position:fixed;left:0;right:0;bottom:0;height:64px;background:#fff;border-top:1px solid var(--border);box-shadow:var(--shadow-bar);display:none;align-items:center;justify-content:space-between;gap:12px;padding:0 20px;z-index:60;transition:transform .28s ease}
.mobile-bar.hidden-bar{transform:translateY(120%)}
.mobile-bar .bar-note{font-size:13px;color:var(--text-body);line-height:1.4}

/* ---------- responsive ---------- */
@media (max-width:1024px){
  .container{padding:0 24px}
  .header-inner{padding:0 24px;gap:16px}
  .nav-main{display:none}
  .search-box{display:none}
  .hamburger{display:flex}
  .article-layout{grid-template-columns:minmax(0,1fr);gap:40px;padding:32px 0 56px}
  .article-main{max-width:100%}
  .sidebar{position:static}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  .grid-3{grid-template-columns:repeat(2,minmax(0,1fr))}
  .article-header h1{font-size:34px}
}
@media (max-width:768px){
  .container{padding:0 20px}
  .header-inner{padding:0 20px;height:64px}
  .logo-text{font-size:15px}
  .article-header{padding-top:12px}
  .article-header h1{font-size:28px;line-height:1.3}
  .section{padding-bottom:48px}
  .section-head{flex-direction:column;align-items:flex-start;gap:12px;margin-bottom:22px}
  .section-head h2{font-size:22px}
  .grid-3{grid-template-columns:minmax(0,1fr)}
  .cta-band{padding:24px 22px}
  .cta-band h2{font-size:20px}
  .mobile-bar{display:flex}
  .site-footer{padding-top:48px}
  .footer-grid{grid-template-columns:minmax(0,1fr);gap:28px;padding-bottom:32px}
  .article-content{font-size:16px;line-height:1.85}
  .article-content h2{font-size:21px;margin:32px 0 14px}
  .article-content h3{font-size:18px;margin:24px 0 10px}
  .article-content table{display:block;overflow-x:auto;-webkit-overflow-scrolling:touch}
  .foot-actions .btn{width:100%}
  body{padding-bottom:64px}
}
@media (max-width:520px){
  .header-right .btn-accent{display:none}
  .article-meta{font-size:13px}
}

/* roulang page: category1 */
:root{
    --blue:#1F6FEB;
    --blue-deep:#14509E;
    --blue-soft:#E7F0FF;
    --coral:#FF7A45;
    --coral-deep:#F2662F;
    --teal:#12B5A5;
    --teal-soft:#E4F7F5;
    --bg:#F5F8FC;
    --card:#FFFFFF;
    --footer-bg:#0E1B2E;
    --border:#E4EBF5;
    --divider:#EEF3F9;
    --title:#0C1B2A;
    --text:#46586E;
    --muted:#8A98AB;
    --r-card:18px;
    --r-img:14px;
    --r-btn:12px;
    --shadow:0 4px 14px rgba(20,60,120,.06);
    --shadow-lg:0 12px 32px rgba(20,60,120,.10);
    --shadow-bar:0 -6px 24px rgba(20,60,120,.08);
  }

  *,*::before,*::after{box-sizing:border-box}
  .site-body{
    margin:0;
    font-family:"PingFang SC","Microsoft YaHei","Hiragino Sans GB",system-ui,-apple-system,sans-serif;
    font-size:16px;
    line-height:1.85;
    color:var(--text);
    background:var(--bg);
    -webkit-font-smoothing:antialiased;
  }
  .site-body img{max-width:100%;display:block}
  .site-body a{color:inherit;text-decoration:none}
  .site-body button{font-family:inherit}
  .site-body ul{margin:0;padding:0;list-style:none}

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

  /* ---------- 顶部导航 ---------- */
  .site-header{
    position:sticky;
    top:0;
    z-index:70;
    background:#fff;
    border-bottom:1px solid var(--border);
    box-shadow:0 2px 10px rgba(20,60,120,.05);
  }
  .header-inner{
    display:flex;
    align-items:center;
    gap:20px;
    height:72px;
  }
  .logo{display:flex;align-items:center;gap:10px;flex:0 0 auto}
  .logo-mark{
    width:30px;height:30px;border-radius:8px;
    background:var(--blue);color:#fff;
    display:flex;align-items:center;justify-content:center;
    font-size:12px;font-weight:700;letter-spacing:.5px;
  }
  .logo-text{font-size:17px;font-weight:700;color:var(--title);white-space:nowrap;letter-spacing:-.2px}
  .nav-main{display:flex;align-items:center;gap:4px;margin-left:10px}
  .nav-main a{
    position:relative;
    display:inline-block;
    padding:9px 13px;
    font-size:15px;
    color:var(--text);
    border-radius:8px;
    transition:color .2s ease,background .2s ease;
  }
  .nav-main a:hover{color:var(--blue);background:var(--blue-soft)}
  .nav-main a.active{color:var(--blue);font-weight:600}
  .nav-main a.active::after{
    content:"";position:absolute;left:13px;right:13px;bottom:2px;
    height:2px;background:var(--blue);border-radius:2px;
  }
  .header-actions{margin-left:auto;display:flex;align-items:center;gap:12px}
  .search-box{
    display:flex;align-items:center;gap:8px;
    height:40px;padding:0 14px;
    background:var(--bg);
    border:1px solid var(--border);
    border-radius:999px;
    transition:border-color .2s ease,box-shadow .2s ease;
  }
  .search-box i{color:var(--muted);font-size:13px}
  .search-box input{
    border:0;background:transparent;outline:none;
    width:140px;font-size:14px;color:var(--title);font-family:inherit;
  }
  .search-box input::placeholder{color:var(--muted)}
  .search-box:focus-within{border-color:var(--blue);box-shadow:0 0 0 3px var(--blue-soft)}
  .menu-toggle{
    display:none;
    width:42px;height:42px;
    border:1px solid var(--border);
    border-radius:var(--r-btn);
    background:#fff;color:var(--title);
    font-size:16px;cursor:pointer;
    transition:background .2s ease,color .2s ease;
  }
  .menu-toggle:hover{background:var(--blue-soft);color:var(--blue)}

  /* ---------- 按钮 ---------- */
  .btn{
    display:inline-flex;align-items:center;justify-content:center;gap:8px;
    height:44px;padding:0 22px;
    border-radius:var(--r-btn);
    border:1px solid transparent;
    font-size:15px;font-weight:600;
    cursor:pointer;
    transition:transform .2s ease,background .2s ease,box-shadow .2s ease,border-color .2s ease,color .2s ease;
    white-space:nowrap;
  }
  .btn:active{transform:translateY(0)}
  .btn:focus-visible{outline:none;box-shadow:0 0 0 3px var(--blue-soft)}
  .btn-cta{background:var(--coral);color:#fff;box-shadow:0 6px 16px rgba(255,122,69,.25)}
  .btn-cta:hover{background:var(--coral-deep);transform:translateY(-1px);box-shadow:0 10px 22px rgba(255,122,69,.32)}
  .btn-primary{background:var(--blue);color:#fff;box-shadow:0 6px 16px rgba(31,111,235,.22)}
  .btn-primary:hover{background:var(--blue-deep);transform:translateY(-1px);box-shadow:0 10px 22px rgba(31,111,235,.28)}
  .btn-outline{background:#fff;color:var(--blue);border-color:var(--blue)}
  .btn-outline:hover{background:var(--blue-soft);transform:translateY(-1px)}
  .btn-ghost{background:transparent;color:var(--muted)}
  .btn-ghost:hover{color:var(--blue)}
  .btn-pill{border-radius:999px;height:48px;padding:0 28px}
  .btn-sm{height:38px;padding:0 16px;font-size:14px;border-radius:10px}

  /* ---------- 面包屑 ---------- */
  .breadcrumb{
    display:flex;flex-wrap:wrap;align-items:center;gap:8px;
    font-size:14px;color:var(--muted);
  }
  .breadcrumb a{color:var(--muted);transition:color .2s ease}
  .breadcrumb a:hover{color:var(--blue)}
  .breadcrumb .sep{color:#C8D4E3}
  .breadcrumb .current{color:var(--text)}

  /* ---------- 分类页头 ---------- */
  .cat-hero{
    background:linear-gradient(180deg,#EAF2FF 0%,#F5F8FC 100%);
    padding:56px 0 64px;
    border-bottom:1px solid var(--border);
  }
  .cat-hero-inner{max-width:820px}
  .cat-hero h1{
    margin:18px 0 0;
    font-size:44px;
    line-height:1.25;
    font-weight:700;
    color:var(--title);
    letter-spacing:-.8px;
  }
  .cat-hero .cat-sub{
    margin:16px 0 0;
    font-size:16px;
    color:var(--text);
    line-height:1.85;
    max-width:640px;
  }
  .cat-hero .hero-meta{
    display:flex;flex-wrap:wrap;gap:10px;margin-top:24px;
  }

  /* ---------- 标签 chip ---------- */
  .chip{
    display:inline-flex;align-items:center;
    height:24px;padding:0 11px;
    border-radius:999px;
    font-size:12px;line-height:1;
    background:var(--blue-soft);
    color:var(--blue-deep);
    white-space:nowrap;
  }
  .chip-teal{background:var(--teal-soft);color:#0C8C80}
  .chip-coral{background:#FFF0E9;color:#C9511F}
  .chip-line{background:#fff;border:1px solid var(--border);color:var(--muted)}

  /* ---------- 板块 ---------- */
  .section{padding:88px 0}
  .section-tight{padding:64px 0}
  .section-alt{background:#fff;border-top:1px solid var(--border);border-bottom:1px solid var(--border)}
  .sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:32px}
  .sec-title{
    margin:0;font-size:30px;line-height:1.3;font-weight:700;color:var(--title);letter-spacing:-.5px;
  }
  .sec-sub{margin:10px 0 0;font-size:14px;color:var(--muted)}
  .sec-link{font-size:14px;color:var(--blue);font-weight:600;display:inline-flex;align-items:center;gap:6px}
  .sec-link:hover{color:var(--blue-deep)}

  /* ---------- 头条横幅 ---------- */
  .banner-card{
    display:grid;
    grid-template-columns:1.05fr .95fr;
    gap:32px;
    align-items:center;
    background:var(--blue-soft);
    border:1px solid #D6E4FB;
    border-radius:var(--r-card);
    padding:32px;
    box-shadow:var(--shadow);
  }
  .banner-tag{
    display:inline-flex;align-items:center;gap:6px;
    height:26px;padding:0 12px;border-radius:999px;
    background:#fff;color:var(--blue-deep);
    font-size:12px;font-weight:600;
  }
  .banner-card h2{margin:14px 0 0;font-size:26px;line-height:1.4;font-weight:700;color:var(--title)}
  .banner-card p{margin:12px 0 0;font-size:15px;color:var(--text);max-width:460px}
  .banner-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:22px}
  .banner-thumb{
    aspect-ratio:16/9;
    border-radius:var(--r-img);
    overflow:hidden;
    border:1px solid #D6E4FB;
    background:#fff;
  }
  .banner-thumb img{width:100%;height:100%;object-fit:cover}

  /* ---------- 入口布局 ---------- */
  .cat-layout{
    display:grid;
    grid-template-columns:260px minmax(0,1fr);
    gap:32px;
    align-items:start;
  }
  .side-panel{
    position:sticky;
    top:96px;
    background:#fff;
    border:1px solid var(--border);
    border-radius:var(--r-card);
    padding:20px;
    box-shadow:var(--shadow);
  }
  .side-panel h3{
    margin:0 0 14px;
    font-size:14px;font-weight:600;color:var(--muted);letter-spacing:.5px;
  }
  .side-list li + li{margin-top:6px}
  .side-list a{
    display:flex;align-items:center;justify-content:space-between;gap:8px;
    padding:11px 14px;
    border-radius:10px;
    font-size:14px;
    color:var(--text);
    transition:background .2s ease,color .2s ease;
  }
  .side-list a:hover{background:var(--bg);color:var(--blue)}
  .side-list a.current{
    background:var(--blue-soft);
    color:var(--blue-deep);
    font-weight:600;
  }
  .side-note{
    margin-top:18px;
    padding-top:18px;
    border-top:1px solid var(--divider);
    font-size:13px;
    line-height:1.7;
    color:var(--muted);
  }

  .group-block + .group-block{margin-top:40px}
  .group-head{
    display:flex;align-items:center;gap:10px;
    margin-bottom:20px;
  }
  .group-head .num{
    font-size:15px;font-weight:600;color:var(--coral);
    letter-spacing:1px;
  }
  .group-head h3{margin:0;font-size:20px;font-weight:600;color:var(--title)}
  .group-head .line{flex:1;height:1px;background:var(--divider)}

  .entry-grid{
    display:grid;
    grid-template-columns:repeat(2,minmax(0,1fr));
    gap:24px;
  }
  .entry-card{
    display:flex;flex-direction:column;
    background:var(--card);
    border:1px solid var(--border);
    border-radius:var(--r-card);
    padding:16px;
    box-shadow:var(--shadow);
    transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
  }
  .entry-card:hover{
    transform:translateY(-4px);
    box-shadow:var(--shadow-lg);
    border-color:#C9DDFB;
  }
  .entry-thumb{
    aspect-ratio:16/9;
    border-radius:var(--r-img);
    overflow:hidden;
    background:var(--bg);
  }
  .entry-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease}
  .entry-card:hover .entry-thumb img{transform:scale(1.03)}
  .entry-body{padding:16px 4px 0;display:flex;flex-direction:column;flex:1}
  .entry-body h4{
    margin:0;
    font-size:18px;line-height:1.45;font-weight:600;color:var(--title);
    overflow:hidden;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;
  }
  .entry-body p{
    margin:10px 0 0;
    font-size:14px;line-height:1.7;color:var(--text);
    overflow:hidden;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;
  }
  .entry-chips{display:flex;flex-wrap:wrap;gap:6px;margin-top:14px}
  .entry-foot{
    display:flex;align-items:center;justify-content:flex-end;
    margin-top:16px;padding-top:14px;
    border-top:1px solid var(--divider);
  }

  /* ---------- 流程 ---------- */
  .steps{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px}
  .step-card{
    position:relative;
    background:#fff;
    border:1px solid var(--border);
    border-radius:var(--r-card);
    padding:26px 24px;
    box-shadow:var(--shadow);
    transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
  }
  .step-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg);border-color:#C9DDFB}
  .step-num{
    font-size:34px;font-weight:600;letter-spacing:2px;color:var(--coral);line-height:1;
  }
  .step-card h3{margin:16px 0 0;font-size:20px;font-weight:600;color:var(--title)}
  .step-card p{margin:10px 0 0;font-size:15px;color:var(--text)}

  /* ---------- 说明列表 ---------- */
  .notice-wrap{
    display:grid;
    grid-template-columns:minmax(0,1.15fr) minmax(0,.85fr);
    gap:40px;
    align-items:center;
  }
  .notice-list{background:#fff;border:1px solid var(--border);border-radius:var(--r-card);box-shadow:var(--shadow);overflow:hidden}
  .notice-item{
    display:flex;gap:16px;align-items:flex-start;
    padding:22px 24px;
  }
  .notice-item + .notice-item{border-top:1px solid var(--divider)}
  .notice-idx{
    flex:0 0 auto;
    font-size:15px;font-weight:600;letter-spacing:1px;color:var(--blue);
    padding-top:3px;
  }
  .notice-item h4{margin:0;font-size:17px;font-weight:600;color:var(--title)}
  .notice-item p{margin:8px 0 0;font-size:14px;color:var(--text)}
  .notice-media{
    aspect-ratio:16/9;
    border-radius:var(--r-card);
    overflow:hidden;
    border:1px solid var(--border);
    box-shadow:var(--shadow);
  }
  .notice-media img{width:100%;height:100%;object-fit:cover}

  /* ---------- FAQ ---------- */
  .faq-list{max-width:960px}
  .faq-item{
    background:#fff;
    border:1px solid var(--border);
    border-radius:24px;
    overflow:hidden;
    box-shadow:var(--shadow);
    transition:border-color .2s ease,box-shadow .2s ease;
  }
  .faq-item + .faq-item{margin-top:14px}
  .faq-item.open{border-color:#C9DDFB;box-shadow:var(--shadow-lg)}
  .faq-q{
    width:100%;
    display:flex;align-items:center;justify-content:space-between;gap:18px;
    padding:22px 26px;
    background:none;border:0;
    font-size:16px;font-weight:600;color:var(--title);
    text-align:left;cursor:pointer;
    transition:color .2s ease;
  }
  .faq-q:hover{color:var(--blue)}
  .faq-icon{
    flex:0 0 auto;
    width:26px;height:26px;border-radius:50%;
    background:var(--blue-soft);color:var(--blue);
    display:flex;align-items:center;justify-content:center;
    font-size:12px;
    transition:transform .2s ease,background .2s ease;
  }
  .faq-item.open .faq-icon{transform:rotate(45deg);background:var(--blue);color:#fff}
  .faq-a{max-height:0;overflow:hidden;transition:max-height .3s ease}
  .faq-a-inner{padding:0 26px 24px;font-size:15px;line-height:1.85;color:var(--text)}

  /* ---------- CTA 宽条 ---------- */
  .cta-band{
    display:flex;align-items:center;justify-content:space-between;gap:28px;
    background:#fff;
    border:1px solid var(--border);
    border-radius:var(--r-card);
    padding:32px 36px;
    box-shadow:var(--shadow);
  }
  .cta-band h2{margin:0;font-size:24px;font-weight:700;color:var(--title)}
  .cta-band p{margin:10px 0 0;font-size:15px;color:var(--text);max-width:620px}
  .cta-actions{display:flex;flex-wrap:wrap;gap:12px}

  /* ---------- 页脚 ---------- */
  .site-footer{background:var(--footer-bg);color:#9FB0C7;padding:64px 0 0;margin-top:0}
  .footer-grid{
    display:grid;
    grid-template-columns:1.4fr 1fr 1fr 1fr;
    gap:36px;
    padding-bottom:44px;
  }
  .site-footer .logo-text{color:#fff}
  .footer-brand p{margin:16px 0 0;font-size:14px;line-height:1.8;max-width:320px;color:#9FB0C7}
  .footer-col h4{margin:0 0 16px;font-size:14px;font-weight:600;color:#7F90A8;letter-spacing:.5px}
  .footer-col li + li{margin-top:10px}
  .footer-col a,.footer-col .plain{font-size:14px;color:#9FB0C7;transition:color .2s ease}
  .footer-col a:hover{color:#fff}
  .footer-col .plain{cursor:default}
  .footer-bottom{
    display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;
    padding:22px 0;
    border-top:1px solid rgba(255,255,255,.08);
    font-size:13px;color:#7F90A8;
  }

  /* ---------- 移动端抽屉 ---------- */
  .drawer-mask{
    position:fixed;inset:0;
    background:rgba(12,27,42,.4);
    opacity:0;visibility:hidden;
    transition:opacity .3s ease,visibility .3s ease;
    z-index:80;
  }
  .drawer-mask.open{opacity:1;visibility:visible}
  .mobile-drawer{
    position:fixed;top:0;right:0;bottom:0;
    width:290px;max-width:84vw;
    background:#fff;
    transform:translateX(102%);
    transition:transform .3s ease;
    z-index:90;
    padding:22px;
    display:flex;flex-direction:column;
    box-shadow:-12px 0 32px rgba(20,60,120,.12);
    overflow-y:auto;
  }
  .mobile-drawer.open{transform:translateX(0)}
  .drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:20px}
  .drawer-close{
    width:38px;height:38px;border-radius:10px;
    border:1px solid var(--border);background:#fff;color:var(--title);
    cursor:pointer;font-size:15px;
  }
  .drawer-close:hover{background:var(--blue-soft);color:var(--blue)}
  .drawer-nav a{
    display:block;
    padding:14px 12px;
    font-size:16px;
    color:var(--text);
    border-bottom:1px solid var(--divider);
  }
  .drawer-nav a.active{color:var(--blue);font-weight:600}
  .drawer-cta{margin-top:auto;padding-top:22px}
  .drawer-cta .btn{width:100%}

  /* ---------- 吸底条 ---------- */
  .sticky-bar{
    position:fixed;left:0;right:0;bottom:0;
    height:64px;
    background:#fff;
    box-shadow:var(--shadow-bar);
    display:none;
    align-items:center;
    justify-content:space-between;
    gap:16px;
    padding:0 20px;
    z-index:60;
    transition:transform .3s ease;
  }
  .sticky-bar.bar-hidden{transform:translateY(105%)}
  .sticky-bar span{font-size:13px;color:var(--text);line-height:1.4}

  /* ---------- 响应式 ---------- */
  @media (max-width:1024px){
    .nav-main{display:none}
    .menu-toggle{display:inline-flex;align-items:center;justify-content:center}
    .cat-layout{grid-template-columns:1fr;gap:24px}
    .side-panel{position:static}
    .side-list{display:flex;flex-wrap:wrap;gap:8px}
    .side-list li + li{margin-top:0}
    .side-list a{background:var(--bg)}
    .steps{grid-template-columns:repeat(2,minmax(0,1fr))}
    .notice-wrap{grid-template-columns:1fr;gap:28px}
    .footer-grid{grid-template-columns:1fr 1fr;gap:28px}
  }
  @media (max-width:768px){
    .container{padding:0 20px}
    .search-box{display:none}
    .cat-hero{padding:36px 0 44px}
    .cat-hero h1{font-size:28px;letter-spacing:-.4px}
    .cat-hero .cat-sub{font-size:15px}
    .section{padding:64px 0}
    .section-tight{padding:48px 0}
    .sec-head{flex-direction:column;align-items:flex-start;gap:10px;margin-bottom:24px}
    .sec-title{font-size:22px}
    .banner-card{grid-template-columns:1fr;gap:20px;padding:22px}
    .banner-card h2{font-size:21px}
    .entry-grid{grid-template-columns:1fr;gap:16px}
    .steps{grid-template-columns:1fr}
    .step-card{padding:22px 20px}
    .cta-band{flex-direction:column;align-items:flex-start;padding:24px 22px}
    .cta-band h2{font-size:20px}
    .cta-actions{width:100%}
    .cta-actions .btn{flex:1 1 auto}
    .sticky-bar{display:flex}
    .site-footer{padding-top:48px}
    .footer-grid{grid-template-columns:1fr;gap:26px}
    .faq-q{padding:18px 20px;font-size:15px}
    .faq-a-inner{padding:0 20px 20px}
    .footer-bottom{flex-direction:column}
  }
  @media (max-width:520px){
    .cat-hero h1{font-size:25px}
    .logo-text{font-size:15px}
    .header-inner{height:64px;gap:12px}
    .notice-item{padding:18px 18px}
    .entry-body h4{font-size:17px}
  }
  @media (max-width:768px){
    .site-body{padding-bottom:64px}
  }

/* roulang page: category2 */
:root{
  --brand:#1F6FEB;
  --brand-dark:#14509E;
  --brand-soft:#E7F0FF;
  --accent:#FF7A45;
  --accent-dark:#E85F2B;
  --teal:#12B5A5;
  --bg:#F5F8FC;
  --card:#FFFFFF;
  --footer:#0E1B2E;
  --border:#E4EBF5;
  --line:#EEF3F9;
  --text:#0C1B2A;
  --muted:#46586E;
  --dim:#8A98AB;
  --r-card:18px;
  --r-img:14px;
  --r-btn:12px;
  --sh-card:0 4px 14px rgba(20,60,120,.06);
  --sh-hover:0 12px 32px rgba(20,60,120,.10);
  --sh-bar:0 -6px 24px rgba(20,60,120,.08);
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:"PingFang SC","Microsoft YaHei","Hiragino Sans GB",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16px;
  line-height:1.85;
  color:var(--muted);
  background:var(--bg);
  overflow-x:hidden;
}
img{max-width:100%;display:block;height:auto}
a{color:var(--brand);text-decoration:none;transition:color .2s ease}
a:hover{color:var(--brand-dark)}
button,input{font-family:inherit;font-size:inherit}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4,p{margin:0}
.container,.wrap{width:100%;max-width:1200px;margin:0 auto;padding:0 32px}
.site-footer .container{max-width:1200px}
@media (max-width:768px){
  .container,.wrap{padding:0 20px}
  .site-footer .container{padding:0 20px}
}

/* ---------- header ---------- */
.site-header{
  position:sticky;top:0;z-index:80;
  background:#fff;
  border-bottom:1px solid var(--border);
  box-shadow:0 2px 10px rgba(20,60,120,.04);
}
.header-inner{display:flex;align-items:center;gap:28px;min-height:72px}
.logo{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.logo-mark{
  width:30px;height:30px;border-radius:9px;background:var(--brand);color:#fff;
  display:flex;align-items:center;justify-content:center;
  font-size:12px;font-weight:700;letter-spacing:.5px;
  box-shadow:0 4px 12px rgba(31,111,235,.28);
}
.logo-text{font-size:16px;font-weight:700;color:var(--text);letter-spacing:.2px;white-space:nowrap}
.nav-main{display:flex;align-items:center;gap:26px;flex:1 1 auto}
.nav-main a{
  position:relative;font-size:15px;color:var(--muted);padding:6px 0;
}
.nav-main a:hover{color:var(--brand)}
.nav-main a.active{color:var(--brand);font-weight:600}
.nav-main a.active::after{
  content:"";position:absolute;left:0;right:0;bottom:-2px;height:2px;
  background:var(--brand);border-radius:2px;
}
.header-actions{display:flex;align-items:center;gap:14px;flex:0 0 auto}
.search-box{
  display:flex;align-items:center;gap:8px;
  background:#F7FAFF;border:1px solid var(--border);border-radius:999px;
  padding:0 16px;height:42px;min-width:200px;
  transition:border-color .2s ease,box-shadow .2s ease,background .2s ease;
}
.search-box:focus-within{
  border-color:var(--brand);background:#fff;
  box-shadow:0 0 0 3px var(--brand-soft);
}
.search-box input{
  border:0;outline:0;background:transparent;width:100%;height:100%;
  font-size:14px;color:var(--text);
}
.search-box input::placeholder{color:var(--dim)}
.search-icon{width:16px;height:16px;flex:0 0 16px;color:var(--dim)}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:44px;padding:0 22px;border-radius:var(--r-btn);
  font-size:15px;font-weight:600;cursor:pointer;border:1px solid transparent;
  transition:background-color .2s ease,color .2s ease,border-color .2s ease,transform .2s ease,box-shadow .2s ease;
  white-space:nowrap;
}
.btn:focus-visible{outline:none;box-shadow:0 0 0 3px var(--brand-soft)}
.btn-accent{background:var(--accent);color:#fff;box-shadow:0 6px 16px rgba(255,122,69,.24)}
.btn-accent:hover{background:var(--accent-dark);color:#fff;transform:translateY(-1px);box-shadow:0 10px 22px rgba(255,122,69,.30)}
.btn-accent:active{transform:translateY(0);box-shadow:0 4px 12px rgba(255,122,69,.22)}
.btn-primary{background:var(--brand);color:#fff;box-shadow:0 6px 16px rgba(31,111,235,.20)}
.btn-primary:hover{background:var(--brand-dark);color:#fff;transform:translateY(-1px);box-shadow:var(--sh-hover)}
.btn-primary:active{transform:translateY(0)}
.btn-outline{background:#fff;color:var(--brand);border-color:var(--brand)}
.btn-outline:hover{background:var(--brand-soft);color:var(--brand-dark);border-color:var(--brand-dark);transform:translateY(-1px)}
.btn-ghost{background:transparent;color:var(--muted);border-color:transparent}
.btn-ghost:hover{color:var(--brand)}
.btn-sm{height:38px;padding:0 16px;font-size:14px;border-radius:10px}
.btn-lg{height:48px;padding:0 28px;border-radius:999px}

.hamburger{
  display:none;width:44px;height:44px;border-radius:12px;
  border:1px solid var(--border);background:#fff;cursor:pointer;
  flex-direction:column;align-items:center;justify-content:center;gap:4px;
}
.hamburger span{display:block;width:18px;height:2px;background:var(--text);border-radius:2px;transition:transform .2s ease,opacity .2s ease}
.hamburger:hover{border-color:var(--brand);background:var(--brand-soft)}

/* ---------- drawer ---------- */
.drawer-mask{
  position:fixed;inset:0;background:rgba(12,27,42,.42);
  opacity:0;visibility:hidden;transition:opacity .25s ease,visibility .25s ease;z-index:90;
}
.drawer-mask.open{opacity:1;visibility:visible}
.drawer{
  position:fixed;top:0;right:0;bottom:0;width:298px;max-width:86vw;
  background:#fff;z-index:100;padding:24px 22px;
  display:flex;flex-direction:column;gap:8px;
  transform:translateX(104%);transition:transform .28s ease;
  box-shadow:-12px 0 32px rgba(20,60,120,.12);
}
.drawer.open{transform:translateX(0)}
.drawer-head{display:flex;align-items:center;justify-content:space-between;padding-bottom:14px;border-bottom:1px solid var(--line)}
.drawer-title{font-size:15px;font-weight:700;color:var(--text)}
.drawer-close{width:34px;height:34px;border-radius:10px;border:1px solid var(--border);background:#fff;color:var(--muted);cursor:pointer;font-size:16px;line-height:1}
.drawer-nav{display:flex;flex-direction:column;gap:2px;margin-top:12px}
.drawer-nav a{
  padding:13px 12px;border-radius:12px;color:var(--muted);font-size:15px;
  transition:background .2s ease,color .2s ease;
}
.drawer-nav a:hover{background:var(--brand-soft);color:var(--brand)}
.drawer-nav a.active{background:var(--brand-soft);color:var(--brand);font-weight:600}
.drawer-cta{margin-top:auto;width:100%}
body.lock{overflow:hidden}

/* ---------- page hero ---------- */
.page-hero{
  background:linear-gradient(180deg,#EDF4FF 0%,#F5F8FC 100%);
  padding:58px 0 54px;
  border-bottom:1px solid var(--border);
}
.breadcrumb{display:flex;align-items:center;gap:8px;font-size:14px;color:var(--dim);margin-bottom:18px;flex-wrap:wrap}
.breadcrumb a{color:var(--dim)}
.breadcrumb a:hover{color:var(--brand)}
.breadcrumb .sep{color:#C6D2E2}
.breadcrumb .current{color:var(--muted)}
.page-hero h1{
  font-size:44px;line-height:1.25;font-weight:700;color:var(--text);
  letter-spacing:-.4px;max-width:900px;
}
.page-hero-sub{font-size:17px;color:var(--muted);margin-top:16px;max-width:680px}
.hero-chips{display:flex;flex-wrap:wrap;gap:10px;margin-top:24px}
.chip{
  display:inline-flex;align-items:center;height:26px;padding:0 12px;
  border-radius:999px;font-size:12px;font-weight:600;letter-spacing:.2px;
}
.chip-blue{background:var(--brand-soft);color:var(--brand-dark)}
.chip-teal{background:#E2F7F4;color:#0E8E81}
.chip-orange{background:#FFEFE8;color:#C74E1E}
.chip-grey{background:#F1F5FB;color:#5A6B82}

/* ---------- section ---------- */
.section{padding:88px 0}
.section-tint{background:#fff;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.section-head{
  display:flex;align-items:flex-end;justify-content:space-between;gap:24px;
  margin-bottom:32px;flex-wrap:wrap;
}
.section-title{font-size:30px;line-height:1.3;font-weight:700;color:var(--text);letter-spacing:-.2px}
.section-sub{font-size:14px;color:var(--dim);margin-top:8px;max-width:620px}
.link-more{font-size:14px;font-weight:600;color:var(--brand);display:inline-flex;align-items:center;gap:6px}
.link-more:hover{color:var(--brand-dark)}

/* ---------- collage ---------- */
.collage{display:grid;grid-template-columns:1.65fr 1fr;gap:24px;align-items:stretch}
.card{
  background:var(--card);border:1px solid var(--border);border-radius:var(--r-card);
  box-shadow:var(--sh-card);transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
}
.card:hover{transform:translateY(-4px);box-shadow:var(--sh-hover);border-color:#CFE1FB}
.media{position:relative;overflow:hidden;border-radius:var(--r-img);background:#EEF3F9}
.media img{width:100%;height:100%;object-fit:cover;transition:transform .45s ease}
.card:hover .media img{transform:scale(1.04)}
.ratio-16-9{aspect-ratio:16/9}
.ratio-4-3{aspect-ratio:4/3}
.ratio-3-4{aspect-ratio:3/4}
.collage-main{padding:20px;display:flex;flex-direction:column;gap:16px}
.collage-main h3{font-size:22px;font-weight:700;color:var(--text);line-height:1.4}
.collage-main p{font-size:15px;color:var(--muted);margin-top:10px}
.collage-main .card-foot{display:flex;align-items:center;justify-content:space-between;gap:16px;margin-top:auto}
.collage-side{display:grid;gap:24px;grid-auto-rows:1fr}
.mini-card{display:grid;grid-template-columns:128px 1fr;gap:16px;padding:16px;align-items:center}
.mini-card h3{font-size:16px;font-weight:600;color:var(--text);line-height:1.5;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.mini-card .mini-meta{font-size:13px;color:var(--dim);margin-top:8px}
.collage-side .media{aspect-ratio:1/1;height:100%}

/* ---------- card wall ---------- */
.grid-3{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px}
.gcard{padding:16px;display:flex;flex-direction:column;gap:14px}
.gcard h3{
  font-size:18px;font-weight:600;color:var(--text);line-height:1.5;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.gcard .desc{
  font-size:14px;color:var(--muted);line-height:1.75;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.gcard .chips{display:flex;flex-wrap:wrap;gap:8px}
.gcard .gfoot{
  display:flex;align-items:center;justify-content:space-between;gap:12px;
  padding-top:12px;border-top:1px solid var(--line);margin-top:auto;
}
.gcard .time{font-size:13px;color:var(--dim);letter-spacing:.4px}
.gcard .go{font-size:13px;font-weight:600;color:var(--brand)}

/* ---------- steps ---------- */
.step-list{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:24px}
.step-item{
  background:#fff;border:1px solid var(--border);border-radius:var(--r-card);
  padding:24px;box-shadow:var(--sh-card);position:relative;
  transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
}
.step-item:hover{transform:translateY(-4px);box-shadow:var(--sh-hover);border-color:#CFE1FB}
.step-num{
  display:block;font-size:34px;font-weight:600;letter-spacing:1px;line-height:1;
  color:var(--accent);font-variant-numeric:tabular-nums;
}
.step-item h3{font-size:17px;font-weight:700;color:var(--text);margin-top:16px}
.step-item p{font-size:14px;color:var(--muted);margin-top:8px}
.step-item::after{
  content:"";position:absolute;left:24px;right:24px;bottom:0;height:3px;
  background:var(--brand-soft);border-radius:3px 3px 0 0;
}
.step-item:nth-child(2)::after{background:#FFE7DC}
.step-item:nth-child(3)::after{background:#DFF6F3}
.step-item:nth-child(4)::after{background:var(--brand-soft)}

/* ---------- FAQ ---------- */
.faq-layout{display:grid;grid-template-columns:1.9fr 1fr;gap:36px;align-items:start}
.faq-list{display:flex;flex-direction:column;gap:14px}
.faq-item{
  background:#fff;border:1px solid var(--border);border-radius:24px;
  box-shadow:var(--sh-card);overflow:hidden;transition:border-color .2s ease,box-shadow .2s ease;
}
.faq-item:hover{border-color:#CFE1FB}
.faq-item.open{border-color:#CFE1FB;box-shadow:var(--sh-hover)}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:18px;
  background:transparent;border:0;cursor:pointer;text-align:left;
  padding:20px 24px;font-size:16px;font-weight:600;color:var(--text);
}
.faq-q:focus-visible{outline:none;box-shadow:inset 0 0 0 3px var(--brand-soft)}
.faq-icon{position:relative;width:20px;height:20px;flex:0 0 20px}
.faq-icon::before,.faq-icon::after{
  content:"";position:absolute;background:var(--brand);border-radius:2px;
  transition:transform .2s ease,opacity .2s ease;
}
.faq-icon::before{left:0;right:0;top:9px;height:2px}
.faq-icon::after{top:0;bottom:0;left:9px;width:2px}
.faq-item.open .faq-icon::after{transform:scaleY(0);opacity:0}
.faq-a{max-height:0;overflow:hidden;transition:max-height .3s ease}
.faq-a p{padding:0 24px 22px;font-size:15px;color:var(--muted);line-height:1.85}

/* ---------- side card ---------- */
.side-card{
  background:#fff;border:1px solid var(--border);border-radius:var(--r-card);
  padding:24px;box-shadow:var(--sh-card);
}
.side-card h3{font-size:17px;font-weight:700;color:var(--text)}
.side-card p{font-size:14px;color:var(--muted);margin-top:10px}
.side-form{display:flex;flex-direction:column;gap:12px;margin-top:18px}
.field input{
  width:100%;height:46px;padding:0 16px;border-radius:var(--r-btn);
  border:1px solid var(--border);background:#FBFDFF;color:var(--text);outline:none;
  transition:border-color .2s ease,box-shadow .2s ease,background .2s ease;
}
.field input::placeholder{color:var(--dim)}
.field input:focus{border-color:var(--brand);background:#fff;box-shadow:0 0 0 3px var(--brand-soft)}
.field .hint{font-size:12px;color:var(--dim);margin-top:6px}
.tag-cloud{display:flex;flex-wrap:wrap;gap:10px;margin-top:16px}
.tag-cloud a{
  display:inline-flex;align-items:center;height:30px;padding:0 14px;border-radius:999px;
  background:#F4F8FE;border:1px solid var(--border);color:var(--muted);font-size:13px;
  transition:background .2s ease,color .2s ease,border-color .2s ease,transform .2s ease;
}
.tag-cloud a:hover{background:var(--brand-soft);border-color:#CFE1FB;color:var(--brand-dark);transform:translateY(-1px)}
.side-list{margin-top:18px;display:flex;flex-direction:column}
.side-list li{padding:12px 0;border-bottom:1px solid var(--line);font-size:14px;color:var(--muted);display:flex;gap:10px;align-items:flex-start}
.side-list li:last-child{border-bottom:0}
.side-list .dot{width:6px;height:6px;border-radius:2px;background:var(--brand);flex:0 0 6px;margin-top:10px}

/* ---------- pager ---------- */
.pager{display:flex;align-items:center;justify-content:center;gap:10px;margin-top:44px;flex-wrap:wrap}
.pager a,.pager span{
  min-width:42px;height:42px;padding:0 14px;border-radius:12px;
  display:inline-flex;align-items:center;justify-content:center;
  font-size:14px;font-weight:600;border:1px solid var(--border);
  background:#fff;color:var(--muted);
  transition:background .2s ease,color .2s ease,border-color .2s ease,transform .2s ease;
}
.pager a:hover{border-color:var(--brand);color:var(--brand);background:var(--brand-soft);transform:translateY(-1px)}
.pager .current{background:var(--brand);border-color:var(--brand);color:#fff}
.pager-more{display:flex;justify-content:center;margin-top:24px}

/* ---------- CTA band ---------- */
.cta-band{
  background:#fff;border-top:1px solid var(--line);border-bottom:1px solid var(--line);
  padding:64px 0;
}
.cta-inner{
  display:flex;align-items:center;justify-content:space-between;gap:32px;flex-wrap:wrap;
  background:var(--brand-soft);border:1px solid #D6E6FF;border-radius:22px;
  padding:36px 40px;
}
.cta-inner h2{font-size:26px;font-weight:700;color:var(--text);line-height:1.35}
.cta-inner p{font-size:15px;color:var(--muted);margin-top:10px;max-width:560px}
.cta-actions{display:flex;gap:14px;flex-wrap:wrap}

/* ---------- footer ---------- */
.site-footer{background:var(--footer);color:#9FB0C6;padding:64px 0 0;margin-top:0}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:40px}
.footer-brand .logo{margin-bottom:16px}
.footer-brand .logo-text{color:#fff}
.footer-brand p{font-size:14px;line-height:1.85;color:#9FB0C6;max-width:340px}
.footer-col h4{font-size:14px;font-weight:600;color:#C9D6E6;margin-bottom:16px;letter-spacing:.4px}
.footer-col ul{display:flex;flex-direction:column;gap:11px}
.footer-col a{font-size:14px;color:#9FB0C6}
.footer-col a:hover{color:#fff}
.footer-col .plain{font-size:14px;color:#8DA0B8}
.footer-bottom{
  margin-top:48px;border-top:1px solid rgba(255,255,255,.08);
  padding:22px 0;display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13px;color:#7E90A8;
}

/* ---------- mobile sticky cta ---------- */
.mobile-cta{
  position:fixed;left:0;right:0;bottom:0;height:64px;z-index:70;
  background:#fff;border-top:1px solid var(--border);box-shadow:var(--sh-bar);
  display:none;align-items:center;justify-content:space-between;gap:12px;padding:0 16px;
  transition:transform .28s ease;
}
.mobile-cta.hide{transform:translateY(112%)}
.mobile-cta .mc-text{font-size:13px;color:var(--muted);line-height:1.4}
.mobile-cta .mc-text strong{display:block;color:var(--text);font-size:14px}

/* ---------- responsive ---------- */
@media (max-width:1200px){
  .nav-main{gap:20px}
  .search-box{min-width:170px}
}
@media (max-width:1024px){
  .nav-main{display:none}
  .search-box{display:none}
  .hamburger{display:flex}
  .header-inner{justify-content:space-between;gap:16px;min-height:66px}
  .section{padding:64px 0}
  .page-hero{padding:44px 0 40px}
  .page-hero h1{font-size:34px}
  .collage{grid-template-columns:1fr}
  .collage-side{grid-auto-rows:auto}
  .grid-3{grid-template-columns:repeat(2,minmax(0,1fr))}
  .step-list{grid-template-columns:repeat(2,minmax(0,1fr))}
  .faq-layout{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
}
@media (max-width:768px){
  .mobile-cta{display:flex}
  body{padding-bottom:64px}
  .page-hero h1{font-size:28px}
  .page-hero-sub{font-size:15px}
  .section-title{font-size:22px}
  .section{padding:48px 0}
  .cta-inner{padding:26px 22px}
  .cta-inner h2{font-size:20px}
  .faq-q{padding:18px 18px;font-size:15px}
  .faq-a p{padding:0 18px 18px}
  .footer-grid{grid-template-columns:1fr;gap:28px}
  .footer-bottom{justify-content:flex-start}
}
@media (max-width:520px){
  .grid-3{grid-template-columns:1fr}
  .step-list{grid-template-columns:1fr}
  .mini-card{grid-template-columns:96px 1fr;gap:12px}
  .cta-actions{width:100%}
  .cta-actions .btn{width:100%}
  .page-hero h1{font-size:26px}
}

/* roulang page: category3 */
:root{
  --brand:#1F6FEB;
  --brand-deep:#14509E;
  --brand-soft:#E7F0FF;
  --coral:#FF7A45;
  --coral-deep:#E9612C;
  --teal:#12B5A5;
  --bg:#F5F8FC;
  --surface:#FFFFFF;
  --footer-bg:#0E1B2E;
  --border:#E4EBF5;
  --line:#EEF3F9;
  --text:#0C1B2A;
  --body:#46586E;
  --muted:#8A98AB;
  --radius-card:18px;
  --radius-img:14px;
  --radius-btn:12px;
  --shadow-card:0 4px 14px rgba(20,60,120,.06);
  --shadow-hover:0 12px 32px rgba(20,60,120,.10);
  --shadow-bottom:0 -6px 24px rgba(20,60,120,.08);
  --container:1200px;
}

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

body{
  margin:0;
  font-family:"PingFang SC","Microsoft YaHei","Hiragino Sans GB",system-ui,-apple-system,"Segoe UI",sans-serif;
  background:var(--bg);
  color:var(--body);
  font-size:16px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
}

img{max-width:100%;display:block;}

a{color:var(--brand);text-decoration:none;transition:color .18s ease;}
a:hover{color:var(--brand-deep);}

h1,h2,h3,h4{margin:0;color:var(--text);line-height:1.3;}
p{margin:0;}

ul,ol{margin:0;padding:0;list-style:none;}

button{font-family:inherit;}

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

/* ============ 通用组件 ============ */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  height:44px;
  padding:0 22px;
  border-radius:var(--radius-btn);
  font-size:15px;
  font-weight:600;
  letter-spacing:.2px;
  border:1px solid transparent;
  cursor:pointer;
  white-space:nowrap;
  transition:background-color .18s ease,color .18s ease,transform .18s ease,box-shadow .18s ease,border-color .18s ease;
}
.btn:focus-visible{
  outline:none;
  box-shadow:0 0 0 3px rgba(31,111,235,.28);
}
.btn-primary{background:var(--brand);color:#fff;}
.btn-primary:hover{background:var(--brand-deep);color:#fff;transform:translateY(-1px);box-shadow:0 10px 24px rgba(31,111,235,.26);}
.btn-primary:active{transform:translateY(0);box-shadow:none;}

.btn-coral{background:var(--coral);color:#fff;}
.btn-coral:hover{background:var(--coral-deep);color:#fff;transform:translateY(-1px);box-shadow:0 10px 24px rgba(255,122,69,.28);}
.btn-coral:active{transform:translateY(0);box-shadow:none;}

.btn-outline{background:#fff;border-color:var(--brand);color:var(--brand);}
.btn-outline:hover{background:var(--brand-soft);color:var(--brand-deep);transform:translateY(-1px);box-shadow:0 8px 20px rgba(20,60,120,.10);}
.btn-outline:active{transform:translateY(0);box-shadow:none;}

.btn-ghost{background:transparent;color:var(--muted);}
.btn-ghost:hover{color:var(--brand);background:var(--brand-soft);}

.btn-sm{height:36px;padding:0 16px;font-size:14px;border-radius:10px;}
.btn-pill{border-radius:999px;}

.chip{
  display:inline-flex;
  align-items:center;
  height:24px;
  padding:0 10px;
  font-size:12px;
  line-height:1;
  border-radius:999px;
  background:var(--brand-soft);
  color:var(--brand-deep);
  font-weight:500;
  white-space:nowrap;
}
.chip-teal{background:rgba(18,181,165,.12);color:#0B8C80;}
.chip-coral{background:rgba(255,122,69,.12);color:#D2531B;}
.chip-gray{background:#F1F5FB;color:var(--muted);}

.card{
  background:var(--surface);
  border:1px solid var(--border);
  border-radius:var(--radius-card);
  box-shadow:var(--shadow-card);
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.card:hover{
  transform:translateY(-4px);
  box-shadow:var(--shadow-hover);
  border-color:var(--brand-soft);
}

.section{padding:88px 0;}
.section-alt{background:#fff;}

.section-head{margin-bottom:32px;}
.section-head h2{font-size:30px;font-weight:700;}
.section-head .sub{
  margin-top:10px;
  font-size:14px;
  color:var(--muted);
  line-height:1.7;
}
.section-head-row{
  display:flex;
  align-items:flex-end;
  justify-content:space-between;
  gap:20px;
  margin-bottom:32px;
  flex-wrap:wrap;
}
.text-link{
  font-size:14px;
  font-weight:600;
  color:var(--brand);
  display:inline-flex;
  align-items:center;
  gap:6px;
}
.text-link:hover{color:var(--brand-deep);}

/* ============ 导航 ============ */
.site-header{
  position:sticky;
  top:0;
  z-index:60;
  background:#fff;
  border-bottom:1px solid var(--border);
  box-shadow:0 1px 8px rgba(20,60,120,.05);
}
.header-inner{
  display:flex;
  align-items:center;
  gap:20px;
  height:72px;
}
.logo{
  display:inline-flex;
  align-items:center;
  gap:10px;
  flex:0 0 auto;
}
.logo-mark{
  width:30px;
  height:30px;
  border-radius:9px;
  background:var(--brand);
  color:#fff;
  font-size:12px;
  font-weight:700;
  letter-spacing:.5px;
  display:grid;
  place-items:center;
}
.logo-text{
  font-size:17px;
  font-weight:700;
  color:var(--text);
  letter-spacing:-.2px;
  white-space:nowrap;
}
.nav-main{
  display:flex;
  align-items:center;
  margin-left:6px;
}
.nav-main a{
  position:relative;
  display:flex;
  align-items:center;
  height:72px;
  padding:0 14px;
  font-size:15px;
  font-weight:500;
  color:var(--body);
  transition:color .18s ease;
}
.nav-main a::after{
  content:"";
  position:absolute;
  left:14px;
  right:14px;
  bottom:0;
  height:2px;
  border-radius:2px;
  background:transparent;
  transition:background-color .18s ease;
}
.nav-main a:hover{color:var(--brand);}
.nav-main a:hover::after{background:var(--brand-soft);}
.nav-main a.active{color:var(--brand);font-weight:600;}
.nav-main a.active::after{background:var(--brand);}

.header-right{
  display:flex;
  align-items:center;
  gap:14px;
  margin-left:auto;
}
.search-box{
  position:relative;
  display:flex;
  align-items:center;
  gap:8px;
  height:40px;
  width:216px;
  padding:0 14px;
  background:#F5F8FC;
  border:1px solid var(--border);
  border-radius:999px;
  transition:border-color .18s ease,box-shadow .18s ease,background-color .18s ease;
}
.search-box:focus-within{
  background:#fff;
  border-color:var(--brand);
  box-shadow:0 0 0 3px rgba(31,111,235,.14);
}
.search-box svg{flex:0 0 auto;color:var(--muted);}
.search-box input{
  width:100%;
  border:0;
  outline:none;
  background:transparent;
  font-size:14px;
  color:var(--text);
  font-family:inherit;
}
.search-box input::placeholder{color:var(--muted);}

.hamburger{
  display:none;
  width:42px;
  height:42px;
  border:1px solid var(--border);
  border-radius:12px;
  background:#fff;
  cursor:pointer;
  align-items:center;
  justify-content:center;
  flex-direction:column;
  gap:4px;
}
.hamburger span{
  display:block;
  width:18px;
  height:2px;
  border-radius:2px;
  background:var(--text);
  transition:transform .2s ease,opacity .2s ease;
}

.drawer-mask{
  position:fixed;
  inset:0;
  background:rgba(12,27,42,.42);
  opacity:0;
  visibility:hidden;
  transition:opacity .25s ease,visibility .25s ease;
  z-index:90;
}
.drawer{
  position:fixed;
  top:0;
  right:0;
  bottom:0;
  width:288px;
  max-width:86vw;
  background:#fff;
  z-index:100;
  transform:translateX(100%);
  transition:transform .28s ease;
  display:flex;
  flex-direction:column;
  padding:20px;
  box-shadow:-8px 0 30px rgba(20,60,120,.12);
}
body.drawer-open .drawer{transform:translateX(0);}
body.drawer-open .drawer-mask{opacity:1;visibility:visible;}
body.drawer-open{overflow:hidden;}
.drawer-head{
  display:flex;
  align-items:center;
  justify-content:space-between;
  padding-bottom:16px;
  border-bottom:1px solid var(--line);
}
.drawer-close{
  width:36px;
  height:36px;
  border:1px solid var(--border);
  border-radius:10px;
  background:#fff;
  font-size:20px;
  line-height:1;
  color:var(--body);
  cursor:pointer;
}
.drawer-nav{
  display:flex;
  flex-direction:column;
  padding:12px 0;
}
.drawer-nav a{
  padding:14px 12px;
  font-size:16px;
  color:var(--body);
  border-radius:12px;
}
.drawer-nav a:hover{background:var(--brand-soft);color:var(--brand);}
.drawer-nav a.active{color:var(--brand);font-weight:600;background:var(--brand-soft);}
.drawer-cta{margin-top:auto;width:100%;height:48px;}

/* ============ 分类页头 ============ */
.page-head{
  background:var(--brand-soft);
  padding:52px 0 60px;
  overflow:hidden;
}
.crumb{
  font-size:14px;
  color:var(--muted);
  display:flex;
  align-items:center;
  gap:8px;
  margin-bottom:22px;
  flex-wrap:wrap;
}
.crumb a{color:var(--muted);}
.crumb a:hover{color:var(--brand);}
.crumb .sep{color:#C3D0E2;}
.crumb .current{color:var(--body);}

.page-head-grid{
  display:grid;
  grid-template-columns:minmax(0,1fr) 380px;
  gap:48px;
  align-items:center;
}
.page-head h1{
  font-size:44px;
  font-weight:700;
  line-height:1.25;
  letter-spacing:-.5px;
}
.page-head .lead{
  margin-top:16px;
  font-size:16px;
  color:var(--body);
  max-width:560px;
}
.head-stats{
  display:flex;
  align-items:center;
  gap:0;
  margin-top:28px;
  flex-wrap:wrap;
}
.head-stat{
  padding:0 22px;
  border-left:1px solid rgba(31,111,235,.18);
}
.head-stat:first-child{padding-left:0;border-left:0;}
.head-stat .num{
  font-size:22px;
  font-weight:700;
  color:var(--brand-deep);
  letter-spacing:.5px;
}
.head-stat .label{
  font-size:13px;
  color:var(--muted);
  margin-top:2px;
}
.head-visual{
  position:relative;
  border-radius:var(--radius-card);
  overflow:hidden;
  aspect-ratio:16/10;
  background:#fff;
  box-shadow:var(--shadow-card);
}
.head-visual img{
  width:100%;
  height:100%;
  object-fit:cover;
}
.head-visual .badge{
  position:absolute;
  left:16px;
  bottom:16px;
  background:rgba(255,255,255,.94);
  color:var(--text);
  font-size:13px;
  font-weight:600;
  padding:8px 14px;
  border-radius:999px;
  box-shadow:0 4px 14px rgba(20,60,120,.10);
}

/* ============ 口碑数据速览 ============ */
.stat-grid{
  display:grid;
  grid-template-columns:1.5fr 1fr 1fr;
  gap:24px;
}
.stat-main{
  padding:28px;
}
.stat-main h3{
  font-size:20px;
  font-weight:600;
  margin-bottom:6px;
}
.stat-main .sub-line{
  font-size:13px;
  color:var(--muted);
  margin-bottom:24px;
}
.score-line{
  display:flex;
  align-items:baseline;
  gap:12px;
  margin-bottom:22px;
}
.score-line .score{
  font-size:44px;
  font-weight:700;
  color:var(--brand);
  letter-spacing:1px;
  line-height:1;
}
.score-line .score-unit{font-size:15px;color:var(--muted);}
.bar-row{margin-bottom:14px;}
.bar-row:last-child{margin-bottom:0;}
.bar-top{
  display:flex;
  justify-content:space-between;
  font-size:13px;
  color:var(--body);
  margin-bottom:6px;
}
.bar-top .val{color:var(--muted);font-weight:600;}
.bar-track{
  height:8px;
  border-radius:999px;
  background:#EEF3F9;
  overflow:hidden;
}
.bar-fill{
  height:100%;
  border-radius:999px;
  background:var(--brand);
}
.stat-mini{
  padding:28px 24px;
  display:flex;
  flex-direction:column;
  justify-content:space-between;
}
.stat-mini .mini-num{
  font-size:34px;
  font-weight:700;
  letter-spacing:.5px;
  color:var(--text);
  line-height:1.1;
}
.stat-mini .mini-num.teal{color:var(--teal);}
.stat-mini .mini-num.coral{color:var(--coral);}
.stat-mini .mini-label{
  font-size:15px;
  font-weight:600;
  color:var(--text);
  margin-top:14px;
}
.stat-mini .mini-desc{
  font-size:13px;
  color:var(--muted);
  line-height:1.7;
  margin-top:8px;
}

/* ============ 答疑主体 ============ */
.layout{
  display:grid;
  grid-template-columns:minmax(0,1fr) 344px;
  gap:32px;
  align-items:start;
}
.faq-list{display:flex;flex-direction:column;gap:14px;}
.faq-item{
  background:#fff;
  border:1px solid var(--border);
  border-radius:24px;
  box-shadow:var(--shadow-card);
  overflow:hidden;
  transition:border-color .2s ease,box-shadow .2s ease;
}
.faq-item:hover{border-color:#D6E4F8;}
.faq-item.open{
  border-color:var(--brand-soft);
  box-shadow:0 12px 32px rgba(20,60,120,.10);
}
.faq-q{
  width:100%;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  padding:20px 24px;
  background:transparent;
  border:0;
  text-align:left;
  font-size:16px;
  font-weight:600;
  color:var(--text);
  cursor:pointer;
  line-height:1.6;
}
.faq-plus{
  position:relative;
  flex:0 0 auto;
  width:24px;
  height:24px;
  border-radius:50%;
  background:var(--brand-soft);
}
.faq-plus::before,
.faq-plus::after{
  content:"";
  position:absolute;
  background:var(--brand);
  border-radius:2px;
}
.faq-plus::before{
  left:6px;
  right:6px;
  top:50%;
  height:2px;
  transform:translateY(-50%);
}
.faq-plus::after{
  top:6px;
  bottom:6px;
  left:50%;
  width:2px;
  transform:translateX(-50%) scaleY(1);
  transition:transform .2s ease;
}
.faq-item.open .faq-plus::after{transform:translateX(-50%) scaleY(0);}
.faq-a{
  max-height:0;
  overflow:hidden;
  transition:max-height .3s ease;
}
.faq-a-inner{
  padding:0 24px 22px;
  font-size:15px;
  line-height:1.85;
  color:var(--body);
}

.aside-sticky{
  position:sticky;
  top:96px;
  display:flex;
  flex-direction:column;
  gap:20px;
}
.aside-card{
  background:#fff;
  border:1px solid var(--border);
  border-radius:var(--radius-card);
  box-shadow:var(--shadow-card);
  padding:24px;
}
.aside-card h3{
  font-size:17px;
  font-weight:600;
  margin-bottom:8px;
}
.aside-card .aside-desc{
  font-size:13px;
  color:var(--muted);
  line-height:1.7;
  margin-bottom:18px;
}
.field{display:flex;flex-direction:column;gap:8px;}
.input{
  width:100%;
  height:44px;
  padding:0 14px;
  font-size:14px;
  font-family:inherit;
  color:var(--text);
  background:#fff;
  border:1px solid var(--border);
  border-radius:var(--radius-btn);
  outline:none;
  transition:border-color .18s ease,box-shadow .18s ease;
}
.input::placeholder{color:var(--muted);}
.input:focus{
  border-color:var(--brand);
  box-shadow:0 0 0 3px rgba(31,111,235,.14);
}
.input.is-error{
  border-color:var(--coral);
  box-shadow:0 0 0 3px rgba(255,122,69,.14);
}
.field-tip{
  font-size:12px;
  color:var(--muted);
  line-height:1.6;
}
.field-error{
  font-size:12px;
  color:var(--coral);
  display:none;
}
.field-error.show{display:block;}
.aside-card .btn{width:100%;margin-top:14px;}

.tag-cloud{
  display:flex;
  flex-wrap:wrap;
  gap:8px;
}
.tag-cloud a{
  display:inline-flex;
  align-items:center;
  height:30px;
  padding:0 14px;
  font-size:13px;
  border-radius:999px;
  background:#F5F8FC;
  border:1px solid var(--border);
  color:var(--body);
  transition:all .18s ease;
}
.tag-cloud a:hover{
  background:var(--brand-soft);
  border-color:var(--brand-soft);
  color:var(--brand-deep);
}

/* ============ 反馈流程 ============ */
.flow-grid{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:24px;
}
.flow-card{
  background:#fff;
  border:1px solid var(--border);
  border-radius:var(--radius-card);
  box-shadow:var(--shadow-card);
  padding:28px 24px;
  position:relative;
  transition:transform .2s ease,box-shadow .2s ease;
}
.flow-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);}
.flow-num{
  font-size:40px;
  font-weight:700;
  letter-spacing:1px;
  color:var(--coral);
  opacity:.9;
  line-height:1;
  font-family:"SFMono-Regular",Consolas,Menlo,monospace;
}
.flow-card h3{
  font-size:18px;
  font-weight:600;
  margin:18px 0 8px;
}
.flow-card p{
  font-size:14px;
  color:var(--body);
  line-height:1.8;
}

/* ============ 评价横滑 ============ */
.rail-wrap{position:relative;}
.rail{
  display:flex;
  gap:16px;
  overflow-x:auto;
  padding:4px 4px 18px;
  scroll-snap-type:x mandatory;
  scrollbar-width:thin;
}
.rail::-webkit-scrollbar{height:6px;}
.rail::-webkit-scrollbar-track{background:transparent;}
.rail::-webkit-scrollbar-thumb{background:#D8E3F2;border-radius:999px;}
.quote-card{
  flex:0 0 300px;
  scroll-snap-align:start;
  background:#fff;
  border:1px solid var(--border);
  border-radius:var(--radius-card);
  box-shadow:var(--shadow-card);
  padding:22px;
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.quote-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);border-color:var(--brand-soft);}
.quote-top{
  display:flex;
  align-items:center;
  gap:12px;
  margin-bottom:14px;
}
.avatar{
  width:42px;
  height:42px;
  border-radius:50%;
  background:var(--brand-soft);
  color:var(--brand-deep);
  font-size:15px;
  font-weight:600;
  display:grid;
  place-items:center;
  flex:0 0 auto;
}
.quote-name{font-size:14px;font-weight:600;color:var(--text);}
.stars{
  font-size:13px;
  color:var(--coral);
  letter-spacing:2px;
  margin-top:2px;
}
.quote-text{
  font-size:14px;
  color:var(--body);
  line-height:1.8;
  margin-bottom:14px;
}

/* ============ 内容推荐 ============ */
.reco-grid{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:24px;
}
.reco-card{
  background:#fff;
  border:1px solid var(--border);
  border-radius:var(--radius-card);
  box-shadow:var(--shadow-card);
  overflow:hidden;
  display:flex;
  flex-direction:column;
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.reco-card:hover{
  transform:translateY(-4px);
  box-shadow:var(--shadow-hover);
  border-color:var(--brand-soft);
}
.reco-thumb{
  aspect-ratio:16/9;
  overflow:hidden;
  background:#EEF3F9;
}
.reco-thumb img{
  width:100%;
  height:100%;
  object-fit:cover;
  transition:transform .35s ease;
}
.reco-card:hover .reco-thumb img{transform:scale(1.04);}
.reco-body{
  padding:20px 22px 22px;
  display:flex;
  flex-direction:column;
  gap:10px;
  flex:1;
}
.reco-body h3{
  font-size:17px;
  font-weight:600;
  line-height:1.5;
  display:-webkit-box;
  -webkit-line-clamp:2;
  -webkit-box-orient:vertical;
  overflow:hidden;
}
.reco-body p{
  font-size:14px;
  color:var(--body);
  line-height:1.75;
  display:-webkit-box;
  -webkit-line-clamp:2;
  -webkit-box-orient:vertical;
  overflow:hidden;
}
.reco-foot{
  margin-top:auto;
  display:flex;
  align-items:center;
  justify-content:space-between;
  padding-top:6px;
}
.reco-foot .time{font-size:13px;color:var(--muted);}

/* ============ CTA 宽条 ============ */
.cta-band{
  background:var(--brand-soft);
  border-radius:24px;
  padding:34px 36px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:24px;
  flex-wrap:wrap;
}
.cta-band h2{
  font-size:24px;
  font-weight:700;
  margin-bottom:6px;
}
.cta-band p{
  font-size:14px;
  color:var(--body);
  max-width:620px;
}
.cta-actions{
  display:flex;
  gap:14px;
  flex-wrap:wrap;
}

/* ============ 页脚 ============ */
.site-footer{
  background:var(--footer-bg);
  color:#93A4BC;
  padding:64px 0 0;
  margin-top:0;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.6fr 1fr 1fr 1.2fr;
  gap:32px;
}
.footer-brand .logo{margin-bottom:14px;}
.footer-brand .logo-text{color:#fff;}
.footer-brand p{
  font-size:14px;
  line-height:1.8;
  color:#93A4BC;
  max-width:320px;
}
.footer-col h4{
  font-size:14px;
  font-weight:600;
  color:#6E809A;
  margin-bottom:16px;
}
.footer-col li + li{margin-top:10px;}
.footer-col a{
  font-size:14px;
  color:#C3D0E2;
}
.footer-col a:hover{color:#fff;}
.footer-col .plain{
  font-size:14px;
  color:#93A4BC;
  line-height:1.75;
}
.footer-bottom{
  margin-top:48px;
  border-top:1px solid rgba(255,255,255,.08);
  padding:20px 0;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:12px;
  flex-wrap:wrap;
  font-size:13px;
  color:#6E809A;
}

/* ============ 吸底转化条 ============ */
.sticky-cta{
  display:none;
  position:fixed;
  left:0;
  right:0;
  bottom:0;
  z-index:80;
  height:64px;
  padding:0 16px;
  background:#fff;
  box-shadow:var(--shadow-bottom);
  align-items:center;
  justify-content:space-between;
  gap:12px;
  transition:transform .28s ease;
}
.sticky-cta.hide{transform:translateY(110%);}
.sticky-cta .sticky-txt{
  font-size:13px;
  color:var(--body);
  line-height:1.4;
}
.sticky-cta .btn{flex:0 0 auto;}

/* ============ 响应式 ============ */
@media (max-width:1180px){
  .nav-main a{padding:0 10px;font-size:14px;}
  .search-box{width:170px;}
}
@media (max-width:1024px){
  .nav-main{display:none;}
  .search-box{display:none;}
  .hamburger{display:flex;}
  .layout{grid-template-columns:1fr;}
  .aside-sticky{position:static;}
  .page-head-grid{grid-template-columns:1fr;gap:32px;}
  .page-head h1{font-size:34px;}
  .stat-grid{grid-template-columns:1fr 1fr;}
  .stat-main{grid-column:1 / -1;}
  .reco-grid{grid-template-columns:1fr 1fr;}
  .flow-grid{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr 1fr;}
  .section{padding:64px 0;}
}
@media (max-width:768px){
  .container{padding:0 20px;}
  .section{padding:48px 0;}
  .page-head{padding:36px 0 44px;}
  .page-head h1{font-size:28px;}
  .section-head h2{font-size:22px;}
  .stat-grid{grid-template-columns:1fr;}
  .reco-grid{grid-template-columns:1fr;}
  .cta-band{padding:26px 22px;border-radius:20px;}
  .cta-band h2{font-size:20px;}
  .cta-actions{width:100%;}
  .cta-actions .btn{flex:1;}
  .footer-grid{grid-template-columns:1fr;gap:28px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
  .sticky-cta{display:flex;}
  body{padding-bottom:64px;}
  .quote-card{flex:0 0 258px;}
  .head-stat{padding:0 16px;}
  .head-stat .num{font-size:19px;}
}
@media (max-width:520px){
  .rail{margin-right:-20px;padding-right:20px;}
  .reco-grid{grid-template-columns:1fr;}
  .faq-q{padding:18px 18px;font-size:15px;}
  .faq-a-inner{padding:0 18px 20px;}
  .aside-card{padding:20px;}
}