/* roulang page: index */
:root{
  --brand:#FF5A1F;
  --brand-dark:#E2450F;
  --lime:#C6F135;
  --ink:#14181C;
  --ink-2:#2A3036;
  --muted:#5C6570;
  --faint:#8A9199;
  --bg:#F6F5F2;
  --card:#FFFFFF;
  --line:#E6E4DE;
  --line-2:#E3E1DB;
  --r-card:14px;
  --r-btn:10px;
  --shadow:0 6px 20px rgba(20,24,28,.07);
  --shadow-h:0 14px 32px rgba(20,24,28,.13);
  --bs-primary:#FF5A1F;
  --bs-primary-rgb:255,90,31;
  --bs-border-radius:14px;
  --bs-border-radius-sm:10px;
  --bs-body-font-size:16px;
  --bs-body-color:#2A3036;
  --bs-link-color:#FF5A1F;
  --bs-link-hover-color:#E2450F;
  --bs-font-sans-serif:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Helvetica Neue",Arial,sans-serif;
}
*{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  padding-top:112px;
  font-family:var(--bs-font-sans-serif);
  font-size:16px;
  line-height:1.75;
  color:var(--ink-2);
  background:var(--bg);
  -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-dark);}
h1,h2,h3,h4{margin:0;color:var(--ink);font-weight:800;letter-spacing:-.01em;line-height:1.28;}
p{margin:0 0 1em;}
button{font-family:inherit;}
:focus-visible{outline:3px solid rgba(255,90,31,.35);outline-offset:2px;}
.container-x{width:100%;max-width:1200px;margin:0 auto;padding:0 24px;}
.section{padding:80px 0;}
.section-tight{padding:56px 0;}
.sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:36px;flex-wrap:wrap;}
.sec-title{font-size:32px;}
.sec-sub{color:var(--muted);font-size:15px;margin:10px 0 0;}
.text-link{font-size:15px;font-weight:600;color:var(--brand);border-bottom:2px solid rgba(255,90,31,.3);padding-bottom:2px;}
.text-link:hover{border-bottom-color:var(--brand);}

/* ---------- header ---------- */
.site-header{position:fixed;top:0;left:0;right:0;z-index:1030;}
.nav-top{height:64px;background:rgba(255,255,255,.96);backdrop-filter:blur(8px);border-bottom:1px solid var(--line-2);}
.nav-top-inner{max-width:1200px;margin:0 auto;height:100%;padding:0 24px;display:flex;align-items:center;gap:18px;}
.brand{display:flex;align-items:center;gap:10px;font-size:18px;font-weight:800;color:var(--ink);letter-spacing:-.02em;flex-shrink:0;}
.brand:hover{color:var(--ink);}
.brand-mark{width:28px;height:28px;border-radius:8px;background:var(--lime);color:var(--ink);display:grid;place-items:center;font-size:13px;font-weight:800;letter-spacing:-.02em;}
.nav-search{flex:1;max-width:380px;margin-left:auto;display:flex;align-items:center;gap:8px;height:38px;padding:0 16px;border:1px solid var(--line);border-radius:999px;background:#fff;transition:border-color .18s ease,box-shadow .18s ease;}
.nav-search:focus-within{border-color:var(--brand);box-shadow:0 0 0 3px rgba(255,90,31,.15);}
.nav-search i{color:var(--faint);font-size:13px;}
.nav-search input{border:0;outline:0;background:transparent;width:100%;font-size:14px;color:var(--ink-2);}
.nav-search input::placeholder{color:var(--faint);}
.btn-main{display:inline-flex;align-items:center;justify-content:center;gap:8px;height:44px;padding:0 22px;border:0;border-radius:var(--r-btn);background:var(--brand);color:#fff;font-size:15px;font-weight:600;cursor:pointer;transition:background .18s ease,transform .18s ease,box-shadow .18s ease;}
.btn-main:hover{background:var(--brand-dark);color:#fff;transform:translateY(-1px);box-shadow:0 10px 22px rgba(255,90,31,.28);}
.btn-main:active{transform:translateY(0);}
.btn-main:disabled{opacity:.5;cursor:not-allowed;transform:none;box-shadow:none;}
.nav-cta{height:40px;flex-shrink:0;}
.btn-ghost{display:inline-flex;align-items:center;justify-content:center;gap:8px;height:44px;padding:0 22px;border-radius:var(--r-btn);background:transparent;border:1.5px solid var(--ink);color:var(--ink);font-size:15px;font-weight:600;cursor:pointer;transition:all .18s ease;}
.btn-ghost:hover{background:var(--ink);color:#fff;}
.btn-ghost.on-dark{border-color:rgba(255,255,255,.72);color:#fff;}
.btn-ghost.on-dark:hover{background:#fff;color:var(--ink);}
.nav-burger{display:none;width:40px;height:40px;border:1px solid var(--line);border-radius:10px;background:#fff;color:var(--ink);font-size:16px;cursor:pointer;}
.nav-channels{height:48px;background:#fff;border-bottom:1px solid var(--line-2);}
.nav-channels-inner{max-width:1200px;margin:0 auto;height:100%;padding:0 24px;display:flex;align-items:center;gap:8px;overflow-x:auto;scrollbar-width:none;}
.nav-channels-inner::-webkit-scrollbar{display:none;}
.pill{display:inline-flex;align-items:center;height:32px;padding:0 16px;border-radius:999px;font-size:14px;font-weight:500;color:var(--muted);white-space:nowrap;transition:all .18s ease;}
.pill:hover{background:rgba(20,24,28,.06);color:var(--ink);}
.pill.active{background:var(--lime);color:var(--ink);font-weight:600;}
.mobile-panel{display:none;position:fixed;top:104px;left:16px;right:16px;background:#fff;border-radius:16px;box-shadow:var(--shadow-h);padding:16px;z-index:1040;border:1px solid var(--line);}
.mobile-panel.open{display:block;}
.mobile-panel .mp-search{display:flex;align-items:center;gap:8px;height:42px;padding:0 14px;border:1px solid var(--line);border-radius:999px;margin-bottom:12px;}
.mobile-panel .mp-search input{border:0;outline:0;width:100%;font-size:14px;background:transparent;}
.mobile-panel a.mp-link{display:block;padding:12px 14px;border-radius:10px;color:var(--ink-2);font-size:15px;font-weight:500;}
.mobile-panel a.mp-link:hover{background:var(--bg);}
.mobile-panel a.mp-link.active{background:rgba(198,241,53,.28);box-shadow:inset 4px 0 0 var(--lime);font-weight:600;color:var(--ink);}

/* ---------- hero ---------- */
.hero{position:relative;min-height:480px;display:flex;align-items:center;background-image:linear-gradient(rgba(20,24,28,.78),rgba(20,24,28,.58)),url('/assets/images/backpic/back-1.webp');background-size:cover;background-position:center;overflow:hidden;}
.hero-grid{display:grid;grid-template-columns:5fr 7fr;gap:44px;align-items:center;padding:64px 0;}
.hero h1{color:#fff;font-size:46px;line-height:1.2;}
.hero-keyword{position:relative;display:inline-block;}
.hero-keyword::after{content:"";position:absolute;left:0;bottom:-6px;width:56px;height:4px;background:var(--lime);border-radius:2px;}
.hero-sub{color:#C8CFD4;font-size:17px;margin-top:22px;max-width:440px;}
.hero-actions{display:flex;gap:12px;margin-top:32px;flex-wrap:wrap;}
.hero-figure{position:relative;border-radius:16px;overflow:hidden;box-shadow:0 24px 50px rgba(0,0,0,.35);aspect-ratio:16/10;}
.hero-figure img{width:100%;height:100%;object-fit:cover;}
.hero-figure .corner{position:absolute;top:14px;right:14px;width:34px;height:34px;background:var(--lime);border-radius:8px;display:grid;place-items:center;color:var(--ink);font-size:13px;font-weight:800;}
.hero-figure .tick-line{position:absolute;left:16px;bottom:16px;width:120px;height:1px;background:rgba(255,255,255,.55);}

/* ---------- pain ---------- */
.pain-grid{display:grid;grid-template-columns:55fr 45fr;gap:44px;align-items:start;}
.pain-list{list-style:none;padding:0;margin:28px 0 0;}
.pain-list li{display:flex;gap:16px;padding:20px 0;border-bottom:1px solid var(--line);}
.pain-list li:last-child{border-bottom:0;}
.pain-num{font-size:13px;font-weight:800;color:var(--brand);letter-spacing:.08em;padding-top:3px;}
.pain-list strong{display:block;color:var(--ink);font-size:16px;font-weight:600;margin-bottom:4px;}
.pain-list span.desc{color:var(--muted);font-size:14px;}
.scene-card{background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);padding:24px;box-shadow:var(--shadow);}
.scene-item{display:flex;gap:14px;padding:16px 0;border-bottom:1px dashed var(--line);}
.scene-item:last-child{border-bottom:0;padding-bottom:0;}
.scene-item:first-child{padding-top:0;}
.scene-ico{width:38px;height:38px;flex-shrink:0;border-radius:10px;background:rgba(198,241,53,.35);color:var(--ink);display:grid;place-items:center;font-size:15px;}
.scene-item h3{font-size:16px;font-weight:600;margin-bottom:4px;}
.scene-item p{font-size:14px;color:var(--muted);margin:0;}

/* ---------- solution ---------- */
.solution-grid{display:grid;grid-template-columns:7fr 5fr;gap:24px;}
.big-card{background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);overflow:hidden;box-shadow:var(--shadow);transition:transform .18s ease,box-shadow .18s ease,border-color .18s ease;}
.big-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-h);border-color:rgba(255,90,31,.3);}
.big-card .cover{aspect-ratio:16/9;background:#EDEBE6;overflow:hidden;}
.big-card .cover img{width:100%;height:100%;object-fit:cover;transition:transform .3s ease;}
.big-card:hover .cover img{transform:scale(1.04);}
.big-card .body{padding:24px;}
.big-card h3{font-size:20px;margin-bottom:10px;}
.big-card p{color:var(--muted);font-size:15px;}
.check-list{list-style:none;padding:0;margin:16px 0 0;}
.check-list li{display:flex;gap:10px;align-items:flex-start;font-size:15px;color:var(--ink-2);padding:7px 0;}
.check-list i{color:var(--brand);font-size:13px;margin-top:6px;}
.small-col{display:flex;flex-direction:column;gap:24px;}
.small-card{position:relative;background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);padding:24px;box-shadow:var(--shadow);flex:1;transition:transform .18s ease,box-shadow .18s ease,border-color .18s ease;display:block;}
.small-card::before{content:"";position:absolute;left:0;top:24px;bottom:24px;width:4px;border-radius:0 4px 4px 0;background:var(--lime);}
.small-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-h);border-color:rgba(255,90,31,.3);color:inherit;}
.small-card h3{font-size:18px;margin-bottom:8px;padding-left:14px;}
.small-card p{font-size:14px;color:var(--muted);margin:0;padding-left:14px;}
.small-card .go{display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:600;color:var(--brand);margin-top:14px;padding-left:14px;}

/* ---------- stats ---------- */
.stats-band{background:var(--ink);padding:56px 0;}
.stats-grid{display:grid;grid-template-columns:repeat(4,1fr);}
.stat-item{padding:0 24px;border-left:1px solid rgba(255,255,255,.10);}
.stat-item:first-child{border-left:0;padding-left:0;}
.stat-num{font-size:40px;font-weight:800;color:var(--lime);line-height:1.1;}
.stat-label{font-size:14px;color:#8A9199;margin-top:8px;}

/* ---------- latest ---------- */
.post-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.post-card{display:flex;flex-direction:column;background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);overflow:hidden;box-shadow:var(--shadow);transition:transform .18s ease,box-shadow .18s ease,border-color .18s ease;color:inherit;height:100%;}
.post-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-h);border-color:rgba(255,90,31,.3);color:inherit;}
.post-card .thumb{aspect-ratio:16/9;background:#EDEBE6;overflow:hidden;}
.post-card .thumb img{width:100%;height:100%;object-fit:cover;transition:transform .3s ease;}
.post-card:hover .thumb img{transform:scale(1.05);}
.post-card .post-body{padding:20px 22px 22px;display:flex;flex-direction:column;gap:10px;flex:1;}
.badge-cat{align-self:flex-start;font-size:12px;font-weight:600;color:var(--ink);background:rgba(198,241,53,.45);padding:4px 12px;border-radius:999px;}
.post-title{font-size:18px;font-weight:600;line-height:1.5;color:var(--ink);margin:0;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.post-excerpt{font-size:15px;line-height:1.7;color:var(--muted);margin:0;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.post-meta{font-size:13px;color:var(--faint);margin-top:auto;display:flex;align-items:center;gap:8px;}
.post-meta::before{content:"";width:5px;height:5px;border-radius:50%;background:var(--line-2);}
.cms-empty{grid-column:1/-1;background:var(--card);border:1px dashed var(--line-2);border-radius:var(--r-card);padding:48px 24px;text-align:center;color:var(--muted);}
.cms-empty i{font-size:26px;color:var(--faint);display:block;margin-bottom:12px;}
.cms-empty p{margin:0 0 16px;}

/* ---------- cta band ---------- */
.cta-band{background:var(--ink);border-radius:18px;padding:40px;display:flex;align-items:center;justify-content:space-between;gap:32px;flex-wrap:wrap;}
.cta-band h2{color:#fff;font-size:26px;}
.cta-band p{color:#C8CFD4;font-size:15px;margin:8px 0 0;}
.privacy-row{display:flex;gap:10px;align-items:flex-start;font-size:13px;color:var(--faint);max-width:900px;margin:28px auto 0;justify-content:center;flex-wrap:wrap;text-align:center;}
.privacy-row i{color:var(--faint);margin-top:4px;}
.privacy-row a{color:var(--brand);text-decoration:underline;text-underline-offset:4px;}

/* ---------- faq ---------- */
.faq-list{max-width:900px;margin:0 auto;display:flex;flex-direction:column;gap:10px;}
.faq-item{background:var(--card);border:1px solid var(--line);border-radius:12px;overflow:hidden;transition:border-color .18s ease;}
.faq-item.open{border-color:rgba(255,90,31,.35);}
.faq-q{width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;padding:18px 22px;background:transparent;border:0;text-align:left;font-size:16px;font-weight:600;color:var(--ink-2);cursor:pointer;position:relative;}
.faq-item.open .faq-q{font-weight:700;color:var(--ink);}
.faq-item.open .faq-q::before{content:"";position:absolute;left:0;top:14px;bottom:14px;width:4px;border-radius:0 4px 4px 0;background:var(--lime);}
.faq-icon{flex-shrink:0;width:22px;height:22px;position:relative;}
.faq-icon::before,.faq-icon::after{content:"";position:absolute;background:var(--muted);border-radius:2px;transition:transform .18s ease,background .18s ease;}
.faq-icon::before{left:0;top:10px;width:22px;height:2px;}
.faq-icon::after{left:10px;top:0;width:2px;height:22px;}
.faq-item.open .faq-icon::before{background:var(--brand);}
.faq-item.open .faq-icon::after{transform:rotate(90deg);background:var(--brand);}
.faq-a{max-height:0;overflow:hidden;transition:max-height .18s ease;}
.faq-a p{padding:0 22px 20px;margin:0;font-size:15px;line-height:1.8;color:var(--muted);}

/* ---------- footer ---------- */
.site-footer{background:var(--ink);padding:56px 0 0;margin-top:80px;}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:32px;}
.footer-brand .brand{color:#fff;font-size:18px;}
.footer-brand .brand:hover{color:#fff;}
.footer-desc{color:#8A9199;font-size:14px;margin:16px 0 20px;max-width:280px;}
.footer-col h4{color:#fff;font-size:15px;font-weight:700;margin-bottom:16px;}
.footer-col ul{list-style:none;padding:0;margin:0;}
.footer-col li{margin-bottom:10px;}
.footer-col a{color:#8A9199;font-size:14px;}
.footer-col a:hover{color:var(--lime);}
.footer-contact p{color:#8A9199;font-size:14px;margin:0 0 10px;}
.footer-contact a{color:#C8CFD4;font-size:14px;}
.footer-contact a:hover{color:var(--lime);}
.footer-bottom{border-top:1px solid rgba(255,255,255,.08);margin-top:44px;padding:20px 0;display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;font-size:13px;color:#7C858B;}
.footer-bottom a{color:#7C858B;text-decoration:underline;text-underline-offset:3px;}
.footer-bottom a:hover{color:var(--lime);}

/* ---------- modal ---------- */
.modal-backdrop.show{opacity:.55;}
.modal-content{border:0;border-radius:18px;box-shadow:0 30px 70px rgba(20,24,28,.35);}
.modal-header{border-bottom:1px solid var(--line);padding:20px 24px;}
.modal-title{font-size:19px;font-weight:700;color:var(--ink);}
.modal-body{padding:24px;}
.modal-body .form-label{font-size:13px;font-weight:600;color:var(--ink-2);margin-bottom:6px;}
.req{color:var(--brand);margin-left:2px;}
.form-control,.form-select{height:46px;border-radius:10px;border:1px solid #DCD9D2;font-size:15px;color:var(--ink-2);}
.form-control:focus,.form-select:focus{border-color:var(--brand);box-shadow:0 0 0 3px rgba(255,90,31,.18);}
textarea.form-control{height:auto;min-height:88px;padding-top:12px;}
.form-check-input{width:18px;height:18px;border-radius:4px;border:1px solid #DCD9D2;margin-top:3px;}
.form-check-input:checked{background-color:var(--lime);border-color:var(--lime);}
.form-check-input:checked[type=checkbox]{background-image:url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 20 20'%3e%3cpath fill='none' stroke='%2314181C' stroke-linecap='round' stroke-linejoin='round' stroke-width='3' d='m6 10 3 3 6-6'/%3e%3c/svg%3e");}
.form-check-label{font-size:13px;color:var(--muted);}
.modal-note{font-size:12px;color:var(--faint);margin-top:14px;line-height:1.7;}
.modal-note a{color:var(--brand);text-decoration:underline;text-underline-offset:3px;}
.btn-close:focus{box-shadow:0 0 0 3px rgba(255,90,31,.25);}

/* ---------- responsive ---------- */
@media (max-width:1199px){
  .hero h1{font-size:40px;}
  .stats-grid{grid-template-columns:repeat(4,1fr);}
}
@media (max-width:991px){
  .hero-grid{grid-template-columns:1fr;gap:36px;padding:48px 0;}
  .hero h1{font-size:34px;}
  .hero-figure{max-width:640px;}
  .pain-grid{grid-template-columns:1fr;gap:32px;}
  .solution-grid{grid-template-columns:1fr;}
  .post-grid{grid-template-columns:repeat(2,1fr);}
  .footer-grid{grid-template-columns:repeat(2,1fr);gap:36px;}
  .stat-num{font-size:34px;}
}
@media (max-width:767px){
  body{padding-top:104px;}
  .container-x{padding:0 16px;}
  .section{padding:48px 0;}
  .section-tight{padding:40px 0;}
  .nav-top{height:56px;}
  .nav-top-inner{padding:0 16px;gap:10px;}
  .nav-search,.nav-cta{display:none;}
  .nav-burger{display:grid;place-items:center;margin-left:auto;}
  .nav-icon-btn{display:grid;place-items:center;width:40px;height:40px;border:1px solid var(--line);border-radius:10px;background:#fff;color:var(--ink);font-size:15px;cursor:pointer;margin-left:auto;}
  .nav-channels-inner{padding:0 16px;}
  .hero{min-height:auto;}
  .hero-grid{padding:40px 0;}
  .hero h1{font-size:30px;}
  .hero-sub{font-size:16px;margin-top:16px;}
  .hero-actions .btn-main,.hero-actions .btn-ghost{flex:1;min-width:140px;}
  .sec-title{font-size:24px;}
  .stats-band{padding:40px 0;}
  .stats-grid{grid-template-columns:repeat(2,1fr);gap:24px 0;}
  .stat-item{border-left:0;padding:0;}
  .stat-item:nth-child(even){padding-left:20px;border-left:1px solid rgba(255,255,255,.10);}
  .post-grid{grid-template-columns:1fr;}
  .cta-band{padding:28px;border-radius:14px;}
  .cta-band h2{font-size:21px;}
  .footer-grid{grid-template-columns:1fr;gap:32px;}
  .footer-bottom{flex-direction:column;gap:8px;}
  .modal-dialog{margin:0;position:fixed;left:0;right:0;bottom:0;max-width:100%;}
  .modal-content{border-radius:18px 18px 0 0;max-height:92vh;overflow-y:auto;}
}
@media (max-width:519px){
  .hero h1{font-size:26px;}
  .hero-figure{aspect-ratio:4/3;}
  .pain-list li{gap:12px;}
  .big-card .body{padding:20px;}
  .nav-icon-btn,.nav-burger{width:38px;height:38px;}
}

/* roulang page: article */
:root{
  --orange:#FF5A1F;
  --orange-dark:#E2450F;
  --lime:#C6F135;
  --dark:#14181C;
  --bg:#F6F5F2;
  --card:#FFFFFF;
  --line:#E6E4DE;
  --line2:#E3E1DB;
  --ink:#14181C;
  --body:#2A3036;
  --muted:#5C6570;
  --weak:#8A9199;
  --r-card:14px;
  --r-btn:10px;
  --r-lg:18px;
  --sh:0 6px 20px rgba(20,24,28,.07);
  --sh-hover:0 14px 32px rgba(20,24,28,.13);
  --bs-primary:#FF5A1F;
  --bs-body-color:#2A3036;
  --bs-body-bg:#F6F5F2;
  --bs-border-radius:10px;
  --bs-link-color:#FF5A1F;
  --bs-link-hover-color:#E2450F;
  --bs-body-font-size:16px;
}
*{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  padding-top:112px;
  font-family:system-ui,-apple-system,"PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;
  font-size:16px;
  line-height:1.75;
  color:var(--body);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:var(--orange);text-decoration:none;transition:color .18s ease;}
a:hover{color:var(--orange-dark);}
button,input,select,textarea{font-family:inherit;font-size:inherit;}
h1,h2,h3,h4{margin:0;color:var(--ink);font-weight:800;letter-spacing:-.01em;line-height:1.3;}
p{margin:0;}
ul{margin:0;padding:0;list-style:none;}
:focus-visible{outline:3px solid rgba(255,90,31,.35);outline-offset:2px;border-radius:6px;}

.container-x{max-width:1200px;margin:0 auto;padding:0 24px;}

/* ---------- 导航 ---------- */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:1030;
  background:rgba(255,255,255,.94);
  -webkit-backdrop-filter:saturate(180%) blur(8px);
  backdrop-filter:saturate(180%) blur(8px);
  border-bottom:1px solid var(--line2);
}
.nav-top{height:64px;}
.nav-top-inner{
  max-width:1200px;margin:0 auto;padding:0 24px;height:100%;
  display:flex;align-items:center;gap:18px;
}
.brand{
  display:inline-flex;align-items:center;gap:10px;
  font-size:18px;font-weight:800;color:var(--ink);letter-spacing:-.01em;
  white-space:nowrap;
}
.brand:hover{color:var(--ink);}
.brand-mark{
  width:28px;height:28px;border-radius:8px;
  background:var(--lime);color:var(--dark);
  font-size:14px;font-weight:800;
  display:inline-flex;align-items:center;justify-content:center;
  flex:0 0 auto;letter-spacing:0;
}
.nav-search{
  flex:1 1 auto;max-width:420px;position:relative;
  display:flex;align-items:center;
}
.nav-search i{
  position:absolute;left:16px;color:var(--weak);font-size:13px;pointer-events:none;
}
.nav-search input{
  width:100%;height:38px;border-radius:999px;
  border:1px solid var(--line2);background:#F4F3EF;
  padding:0 16px 0 38px;font-size:14px;color:var(--body);
  transition:border-color .18s ease,background .18s ease,box-shadow .18s ease;
}
.nav-search input::placeholder{color:var(--weak);}
.nav-search input:focus{
  outline:none;background:#fff;border-color:var(--orange);
  box-shadow:0 0 0 3px rgba(255,90,31,.18);
}
.btn-main{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:44px;padding:0 22px;border:none;border-radius:var(--r-btn);
  background:var(--orange);color:#fff;font-size:15px;font-weight:600;
  cursor:pointer;transition:background .18s ease,transform .18s ease,box-shadow .18s ease;
  white-space:nowrap;
}
.btn-main:hover{background:var(--orange-dark);color:#fff;transform:translateY(-1px);box-shadow:var(--sh);}
.btn-main:active{transform:translateY(0);}
.btn-main:disabled{opacity:.5;cursor:not-allowed;transform:none;box-shadow:none;}
.nav-cta{height:40px;padding:0 18px;font-size:14px;margin-left:auto;}
.btn-second{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:44px;padding:0 22px;border-radius:var(--r-btn);
  background:transparent;border:1.5px solid var(--ink);color:var(--ink);
  font-size:15px;font-weight:600;cursor:pointer;
  transition:background .18s ease,color .18s ease,border-color .18s ease,transform .18s ease;
}
.btn-second:hover{background:var(--ink);color:#fff;transform:translateY(-1px);}
.btn-second.on-dark{border-color:rgba(255,255,255,.7);color:#fff;}
.btn-second.on-dark:hover{background:#fff;color:var(--ink);border-color:#fff;}
.text-link{
  display:inline-block;color:var(--orange);font-weight:600;
  border-bottom:1px solid rgba(255,90,31,.35);padding-bottom:1px;
}
.text-link:hover{color:var(--orange-dark);border-bottom-color:var(--orange-dark);}

.nav-burger{
  display:none;width:40px;height:40px;border-radius:10px;
  border:1px solid var(--line2);background:#fff;color:var(--ink);
  align-items:center;justify-content:center;cursor:pointer;flex:0 0 auto;
}
.nav-burger:hover{background:#F4F3EF;}

.nav-channels{
  height:48px;border-top:1px solid #F0EEE9;
  overflow:hidden;position:relative;
}
.nav-channels::after{
  content:"";position:absolute;right:0;top:0;bottom:0;width:40px;
  background:linear-gradient(90deg,rgba(255,255,255,0),rgba(255,255,255,.95));
  pointer-events:none;
}
.nav-channels-inner{
  max-width:1200px;margin:0 auto;padding:0 24px;height:100%;
  display:flex;align-items:center;gap:8px;
  overflow-x:auto;scrollbar-width:none;-ms-overflow-style:none;
}
.nav-channels-inner::-webkit-scrollbar{display:none;}
.pill{
  flex:0 0 auto;height:32px;padding:0 16px;border-radius:999px;
  display:inline-flex;align-items:center;font-size:14px;font-weight:500;
  color:var(--muted);white-space:nowrap;transition:background .18s ease,color .18s ease;
}
.pill:hover{background:rgba(20,24,28,.06);color:var(--ink);}
.pill.active{background:var(--lime);color:var(--ink);font-weight:600;}
.pill.active:hover{background:var(--lime);color:var(--ink);}

.mobile-panel{
  display:none;position:fixed;left:12px;right:12px;top:112px;z-index:1031;
  background:#fff;border-radius:16px;border:1px solid var(--line2);
  box-shadow:var(--sh-hover);padding:10px;
}
.mobile-panel.open{display:block;}
.mobile-panel a{
  display:block;padding:12px 14px;border-radius:10px;
  color:var(--body);font-size:15px;font-weight:500;
  border-left:3px solid transparent;
}
.mobile-panel a:hover{background:#F6F5F2;color:var(--ink);}
.mobile-panel a.active{background:#F6F5F2;border-left-color:var(--lime);font-weight:700;color:var(--ink);}

/* ---------- 面包屑 ---------- */
.crumb-bar{background:#fff;border-bottom:1px solid var(--line2);}
.crumb-inner{
  max-width:1200px;margin:0 auto;padding:14px 24px;
  display:flex;align-items:center;gap:8px;font-size:13px;color:var(--weak);
  overflow:hidden;
}
.crumb-inner a{color:var(--muted);}
.crumb-inner a:hover{color:var(--orange);}
.crumb-sep{color:#C4C0B8;}
.crumb-current{
  color:var(--weak);overflow:hidden;text-overflow:ellipsis;white-space:nowrap;
  max-width:60%;
}

/* ---------- 文章布局 ---------- */
.article-page{padding:40px 0 72px;}
.article-layout{
  display:grid;grid-template-columns:minmax(0,1fr) 300px;gap:48px;
  align-items:start;
}
.article-main{max-width:760px;}

.article-head{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-card);
  padding:32px 34px;box-shadow:var(--sh);margin-bottom:28px;
}
.badge-lime{
  display:inline-flex;align-items:center;gap:6px;
  height:26px;padding:0 12px;border-radius:999px;
  background:rgba(198,241,53,.28);color:#3F4A0B;
  font-size:12px;font-weight:700;letter-spacing:.02em;
}
.article-head h1{
  font-size:34px;line-height:1.32;margin:16px 0 18px;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.meta-row{
  display:flex;flex-wrap:wrap;align-items:center;gap:10px;
  font-size:13px;color:var(--weak);
}
.meta-dot{width:4px;height:4px;border-radius:50%;background:#C4C0B8;display:inline-block;}

.article-body{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-card);
  padding:36px 40px;box-shadow:var(--sh);
  font-size:17px;line-height:1.85;color:var(--body);
  overflow-wrap:break-word;word-break:break-word;
}
.article-body p{margin:0 0 1.2em;}
.article-body > *:last-child{margin-bottom:0;}
.article-body h2{
  font-size:22px;margin:40px 0 16px;padding-left:14px;
  border-left:4px solid var(--lime);line-height:1.45;
}
.article-body h3{font-size:18px;font-weight:700;margin:28px 0 12px;color:var(--ink);}
.article-body h4{font-size:16px;font-weight:700;margin:22px 0 10px;color:var(--ink);}
.article-body ul,.article-body ol{padding-left:0;margin:0 0 1.2em;list-style:none;}
.article-body ol{counter-reset:li;}
.article-body ul li{position:relative;padding-left:20px;margin-bottom:10px;}
.article-body ul li::before{
  content:"";position:absolute;left:4px;top:11px;
  width:6px;height:6px;border-radius:50%;background:var(--orange);
}
.article-body ol li{position:relative;padding-left:26px;margin-bottom:10px;counter-increment:li;}
.article-body ol li::before{
  content:counter(li);position:absolute;left:0;top:3px;
  width:18px;height:18px;border-radius:6px;background:rgba(198,241,53,.4);
  color:#3F4A0B;font-size:11px;font-weight:700;
  display:flex;align-items:center;justify-content:center;
}
.article-body blockquote{
  margin:24px 0;padding:16px 22px;
  background:#F1F0EC;border-left:4px solid var(--orange);
  border-radius:0 10px 10px 0;color:var(--muted);font-size:16px;
}
.article-body blockquote p:last-child{margin-bottom:0;}
.article-body img{border-radius:12px;margin:24px 0;width:100%;height:auto;}
.article-body figure{margin:24px 0;}
.article-body figcaption,.article-body .caption{
  font-size:13px;color:var(--weak);text-align:center;margin-top:8px;
}
.article-body table{
  width:100%;border-collapse:collapse;font-size:15px;margin:24px 0;
  display:block;overflow-x:auto;white-space:nowrap;
}
.article-body th,.article-body td{
  border:1px solid var(--line);padding:10px 14px;text-align:left;
}
.article-body th{background:#F6F5F2;font-weight:700;color:var(--ink);}
.article-body a{color:var(--orange);border-bottom:1px solid rgba(255,90,31,.35);}
.article-body a:hover{border-bottom-color:var(--orange-dark);}
.article-body strong{color:var(--ink);font-weight:700;}

.article-foot{
  display:flex;flex-wrap:wrap;gap:12px;align-items:center;
  margin-top:28px;
}

/* ---------- 侧栏 ---------- */
.article-side{position:sticky;top:128px;display:flex;flex-direction:column;gap:20px;}
.side-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-card);
  padding:20px;box-shadow:var(--sh);
}
.side-title{
  font-size:14px;font-weight:800;color:var(--ink);margin-bottom:14px;
  display:flex;align-items:center;gap:8px;
}
.side-title::before{content:"";width:4px;height:14px;border-radius:2px;background:var(--lime);}
.toc-list{display:flex;flex-direction:column;gap:2px;}
.toc-list a{
  display:block;padding:8px 10px;border-radius:8px;
  font-size:13.5px;color:var(--muted);line-height:1.5;
  border-left:2px solid transparent;
}
.toc-list a:hover{background:#F6F5F2;color:var(--ink);border-left-color:var(--orange);}
.rel-list{display:flex;flex-direction:column;gap:14px;}
.rel-item{display:flex;gap:12px;align-items:flex-start;}
.rel-item img{
  width:64px;height:48px;border-radius:8px;object-fit:cover;flex:0 0 auto;background:#EDEBE5;
}
.rel-item h5{
  margin:0;font-size:14px;font-weight:600;color:var(--ink);line-height:1.5;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.rel-item:hover h5{color:var(--orange);}
.rel-item span{font-size:12px;color:var(--weak);}
.side-cta{
  background:var(--dark);border-radius:var(--r-card);padding:22px;
  color:#C8CFD4;
}
.side-cta h4{color:#fff;font-size:17px;margin-bottom:8px;}
.side-cta p{font-size:13px;color:#8A9199;line-height:1.7;margin-bottom:14px;}
.side-cta .btn-main{width:100%;}

/* ---------- 空态 ---------- */
.empty-state{
  background:#fff;border:1px dashed #D9D6CE;border-radius:var(--r-card);
  padding:64px 24px;text-align:center;box-shadow:var(--sh);
}
.empty-state i{font-size:34px;color:#C4C0B8;margin-bottom:16px;}
.empty-state h3{font-size:20px;margin-bottom:10px;}
.empty-state p{font-size:15px;color:var(--muted);margin-bottom:22px;}

/* ---------- CTA 条 ---------- */
.cta-band{
  margin-top:48px;background:var(--dark);border-radius:var(--r-lg);
  padding:34px 40px;display:flex;align-items:center;gap:28px;flex-wrap:wrap;
  position:relative;overflow:hidden;
}
.cta-band::before{
  content:"";position:absolute;right:-40px;top:-40px;width:180px;height:180px;
  background:rgba(198,241,53,.12);transform:rotate(45deg);border-radius:24px;
}
.cta-band-txt{flex:1 1 320px;position:relative;}
.cta-band h3{color:#fff;font-size:22px;margin-bottom:8px;}
.cta-band p{color:#8A9199;font-size:14.5px;line-height:1.7;}

/* ---------- 相关推荐 ---------- */
.rel-section{margin-top:56px;}
.section-head{
  display:flex;align-items:flex-end;justify-content:space-between;gap:16px;
  margin-bottom:22px;
}
.section-head h2{font-size:24px;}
.section-head p{font-size:14px;color:var(--muted);margin-top:6px;}
.card-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px;}
.card-post{
  display:block;background:#fff;border:1px solid var(--line);border-radius:var(--r-card);
  overflow:hidden;box-shadow:var(--sh);color:inherit;
  transition:transform .18s ease,box-shadow .18s ease,border-color .18s ease;
}
.card-post:hover{
  transform:translateY(-3px);box-shadow:var(--sh-hover);
  border-color:rgba(255,90,31,.3);color:inherit;
}
.card-post .thumb{
  aspect-ratio:16/9;overflow:hidden;background:#EDEBE5;
}
.card-post .thumb img{
  width:100%;height:100%;object-fit:cover;transition:transform .3s ease;
}
.card-post:hover .thumb img{transform:scale(1.05);}
.card-post .body{padding:18px 20px 22px;}
.card-post h3{
  font-size:17px;font-weight:600;line-height:1.5;margin:10px 0 8px;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.card-post p{
  font-size:14.5px;color:var(--muted);line-height:1.7;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.card-post .time{
  margin-top:14px;font-size:13px;color:var(--weak);
  display:flex;align-items:center;gap:6px;
}
.card-post .time::before{
  content:"";width:4px;height:4px;border-radius:50%;background:#C4C0B8;
}

/* ---------- 弹层 ---------- */
.modal-content{
  border:none;border-radius:var(--r-lg);box-shadow:0 24px 60px rgba(20,24,28,.28);
  max-width:520px;margin:0 auto;
}
.modal-header{
  border-bottom:1px solid var(--line);padding:22px 26px 16px;
  align-items:flex-start;
}
.modal-title{font-size:20px;font-weight:800;color:var(--ink);}
.modal-sub{font-size:13px;color:var(--weak);margin-top:6px;}
.modal-body{padding:22px 26px 26px;}
.modal-backdrop.show{opacity:.55;}
.btn-close{opacity:.45;}
.btn-close:focus{box-shadow:0 0 0 3px rgba(255,90,31,.3);}
.form-label{font-size:13px;font-weight:600;color:var(--body);margin-bottom:6px;}
.req{color:var(--orange);margin-left:2px;}
.form-control,.form-select{
  height:46px;border-radius:10px;border:1px solid #DCD9D2;
  font-size:15px;color:var(--body);background-color:#fff;
  transition:border-color .18s ease,box-shadow .18s ease;
}
.form-control:focus,.form-select:focus{
  border-color:var(--orange);box-shadow:0 0 0 3px rgba(255,90,31,.16);
}
.form-check-input{
  width:18px;height:18px;margin-top:3px;border-radius:4px;border:1px solid #DCD9D2;
}
.form-check-input:checked{background-color:var(--lime);border-color:var(--lime);}
.form-check-input:focus{box-shadow:0 0 0 3px rgba(198,241,53,.4);border-color:#A8CE1F;}
.form-check-label{font-size:12.5px;color:var(--weak);line-height:1.7;}
.form-note{font-size:12px;color:var(--weak);margin-top:10px;line-height:1.7;}
.form-err{font-size:13px;color:var(--orange);margin-top:8px;display:none;}
.form-err.show{display:block;}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--dark);padding:56px 0 0;margin-top:72px;}
.footer-grid{
  display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:36px;
  padding-bottom:40px;
}
.footer-brand .brand{color:#fff;margin-bottom:14px;}
.footer-brand .brand:hover{color:#fff;}
.footer-desc{font-size:14px;color:#8A9199;line-height:1.75;margin-bottom:16px;max-width:280px;}
.footer-col h4{
  font-size:14px;color:#fff;font-weight:700;margin-bottom:16px;letter-spacing:.02em;
}
.footer-col ul{display:flex;flex-direction:column;gap:10px;}
.footer-col li{font-size:14px;color:#8A9199;}
.footer-col a{color:#C8CFD4;font-size:14px;}
.footer-col a:hover{color:var(--lime);}
.footer-contact p{font-size:13px;color:#8A9199;margin:0 0 4px;}
.footer-contact a{font-size:14px;color:#fff;}
.footer-contact a:hover{color:var(--lime);}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.10);
  padding:20px 0 26px;
  display:flex;flex-wrap:wrap;gap:10px 24px;justify-content:space-between;
  font-size:13px;color:#7C858B;
}
.footer-bottom a{color:#7C858B;border-bottom:1px solid rgba(255,255,255,.18);}
.footer-bottom a:hover{color:var(--lime);}

/* ---------- 响应式 ---------- */
@media (max-width:1199px){
  .article-layout{gap:32px;grid-template-columns:minmax(0,1fr) 280px;}
  .article-head h1{font-size:30px;}
}
@media (max-width:991px){
  .nav-search{display:none;}
  .nav-burger{display:inline-flex;}
  .article-layout{grid-template-columns:minmax(0,1fr);gap:32px;}
  .article-main{max-width:none;}
  .article-side{position:static;}
  .article-page{padding:32px 0 56px;}
  .card-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .footer-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:28px;}
}
@media (max-width:767px){
  body{padding-top:104px;}
  .nav-top{height:56px;}
  .nav-top-inner{padding:0 16px;gap:12px;}
  .brand{font-size:16px;}
  .brand-mark{width:26px;height:26px;font-size:13px;}
  .nav-cta{height:36px;padding:0 14px;font-size:13px;}
  .nav-channels{height:48px;}
  .nav-channels-inner{padding:0 16px;}
  .mobile-panel{top:104px;left:8px;right:8px;}
  .container-x{padding:0 16px;}
  .crumb-inner{padding:12px 16px;font-size:12px;}
  .crumb-current{max-width:48%;}
  .article-head{padding:22px 20px;border-radius:12px;}
  .article-head h1{font-size:24px;margin:12px 0 14px;}
  .article-body{padding:22px 20px;font-size:16px;line-height:1.8;border-radius:12px;}
  .article-body h2{font-size:19px;margin:30px 0 12px;}
  .article-body h3{font-size:17px;}
  .cta-band{padding:24px 22px;border-radius:14px;gap:18px;}
  .cta-band h3{font-size:19px;}
  .card-grid{grid-template-columns:minmax(0,1fr);gap:18px;}
  .rel-section{margin-top:40px;}
  .section-head h2{font-size:20px;}
  .site-footer{margin-top:48px;padding-top:40px;}
  .footer-grid{grid-template-columns:minmax(0,1fr);gap:24px;padding-bottom:28px;}
  .footer-bottom{font-size:12px;flex-direction:column;gap:8px;}
  .modal-dialog{margin:0;align-items:flex-end;min-height:100%;}
  .modal-content{border-radius:18px 18px 0 0;max-width:100%;}
  .modal-body{max-height:72vh;overflow-y:auto;}
}
@media (max-width:519px){
  .nav-cta{display:none;}
  .article-head h1{font-size:21px;}
  .cta-band .btn-main{width:100%;}
}

/* roulang page: category1 */
:root{
  --bs-primary:#FF5A1F;
  --bs-primary-rgb:255,90,31;
  --bs-link-color:#FF5A1F;
  --bs-link-hover-color:#E2450F;
  --bs-body-color:#2A3036;
  --bs-body-bg:#F6F5F2;
  --bs-border-radius:10px;
  --bs-body-font-size:16px;
  --bs-font-sans-serif:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,"Segoe UI",sans-serif;

  --orange:#FF5A1F;
  --orange-deep:#E2450F;
  --lime:#C6F135;
  --ink:#14181C;
  --body-c:#2A3036;
  --sub:#5C6570;
  --muted:#8A9199;
  --bg:#F6F5F2;
  --card:#FFFFFF;
  --line:#E6E4DE;
  --line-2:#E3E1DB;
  --r-card:14px;
  --r-btn:10px;
  --r-input:10px;
  --r-sheet:18px;
  --sh-1:0 6px 20px rgba(20,24,28,.07);
  --sh-2:0 14px 32px rgba(20,24,28,.13);
  --nav-h:112px;
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  padding-top:var(--nav-h);
  font-family:var(--bs-font-sans-serif);
  font-size:16px;
  line-height:1.75;
  color:var(--body-c);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:var(--orange);text-decoration:none;transition:color .18s ease}
a:hover{color:var(--orange-deep)}
button{font-family:inherit}
h1,h2,h3,h4{margin:0;color:var(--ink);font-weight:800;letter-spacing:-.01em;line-height:1.3}
p{margin:0}
ul{margin:0;padding:0;list-style:none}
:focus-visible{outline:3px solid rgba(255,90,31,.35);outline-offset:2px}

.container-x{max-width:1200px;margin:0 auto;padding:0 24px}

/* ===== 导航 ===== */
.site-header{position:fixed;top:0;left:0;right:0;z-index:1030}
.nav-top{
  height:64px;
  background:rgba(255,255,255,.94);
  backdrop-filter:blur(8px);
  -webkit-backdrop-filter:blur(8px);
  border-bottom:1px solid var(--line-2);
  transition:box-shadow .2s ease;
}
.site-header.scrolled .nav-top{box-shadow:0 4px 18px rgba(20,24,28,.08)}
.nav-top-inner{
  max-width:1200px;margin:0 auto;padding:0 24px;height:100%;
  display:flex;align-items:center;gap:16px;
}
.brand{
  display:inline-flex;align-items:center;gap:10px;
  font-size:18px;font-weight:800;color:var(--ink);
  text-decoration:none;white-space:nowrap;letter-spacing:-.01em;
}
.brand:hover{color:var(--ink)}
.brand-mark{
  width:28px;height:28px;border-radius:8px;
  background:var(--lime);color:var(--ink);
  display:inline-flex;align-items:center;justify-content:center;
  font-size:13px;font-weight:800;letter-spacing:-.04em;flex:0 0 auto;
}
.nav-search{
  margin-left:auto;
  display:flex;align-items:center;gap:8px;
  height:38px;padding:0 16px;min-width:280px;
  border:1px solid var(--line);border-radius:999px;background:#fff;
  transition:border-color .18s ease,box-shadow .18s ease;
}
.nav-search i{color:var(--muted);font-size:13px}
.nav-search input{
  border:0;outline:0;background:transparent;width:100%;
  font-size:14px;color:var(--body-c);line-height:38px;
}
.nav-search input::placeholder{color:var(--muted)}
.nav-search:focus-within{border-color:var(--orange);box-shadow:0 0 0 3px rgba(255,90,31,.18)}
.btn-main{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:44px;padding:0 22px;border:0;border-radius:var(--r-btn);
  background:var(--orange);color:#fff;font-size:15px;font-weight:600;
  text-decoration:none;cursor:pointer;
  transition:background .18s ease,transform .18s ease,box-shadow .18s ease;
}
.btn-main:hover{background:var(--orange-deep);color:#fff;transform:translateY(-1px);box-shadow:0 8px 18px rgba(255,90,31,.28)}
.btn-main:active{transform:none;box-shadow:none}
.btn-main:focus-visible{outline:3px solid rgba(255,90,31,.35);outline-offset:2px}
.btn-main:disabled,.btn-main.disabled{opacity:.5;cursor:not-allowed;transform:none;box-shadow:none}
.btn-ghost{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:44px;padding:0 22px;border-radius:var(--r-btn);
  background:transparent;border:1.5px solid var(--ink);color:var(--ink);
  font-size:15px;font-weight:600;cursor:pointer;text-decoration:none;
  transition:background .18s ease,color .18s ease,transform .18s ease;
}
.btn-ghost:hover{background:var(--ink);color:#fff;transform:translateY(-1px)}
.btn-ghost.on-dark{border-color:#fff;color:#fff}
.btn-ghost.on-dark:hover{background:#fff;color:var(--ink)}
.nav-cta{height:40px;padding:0 18px;font-size:14px;flex:0 0 auto}
.nav-burger{
  display:none;align-items:center;justify-content:center;
  width:40px;height:40px;flex:0 0 auto;
  border:1px solid var(--line);border-radius:10px;background:#fff;
  color:var(--ink);font-size:16px;cursor:pointer;
}
.nav-burger:hover{background:#F2F0EB}

.nav-channels{height:48px;background:#fff;border-bottom:1px solid var(--line-2);position:relative}
.nav-channels::after{
  content:"";position:absolute;top:0;right:0;bottom:1px;width:36px;
  background:linear-gradient(90deg,rgba(255,255,255,0),#fff 70%);
  pointer-events:none;
}
.nav-channels-inner{
  max-width:1200px;margin:0 auto;padding:0 24px;height:100%;
  display:flex;align-items:center;gap:6px;
  overflow-x:auto;scrollbar-width:none;-ms-overflow-style:none;
}
.nav-channels-inner::-webkit-scrollbar{display:none}
.pill{
  flex:0 0 auto;display:inline-flex;align-items:center;
  height:32px;padding:0 14px;border-radius:999px;
  font-size:14px;color:var(--sub);white-space:nowrap;
  transition:background .18s ease,color .18s ease;
}
.pill:hover{background:rgba(20,24,28,.06);color:var(--ink)}
.pill.active{background:var(--lime);color:var(--ink);font-weight:600}
.pill.active:hover{background:var(--lime);color:var(--ink)}

/* 移动抽屉 */
.mobile-drawer{position:fixed;inset:0;z-index:1080;display:none}
.mobile-drawer.open{display:block}
.mobile-drawer .drawer-mask{position:absolute;inset:0;background:rgba(20,24,28,.55);backdrop-filter:blur(4px)}
.drawer-panel{
  position:relative;margin:12px;background:#fff;border-radius:16px;
  padding:18px;box-shadow:var(--sh-2);max-height:calc(100vh - 24px);overflow:auto;
}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:12px}
.drawer-head span{font-size:15px;font-weight:700;color:var(--ink)}
.drawer-close{
  width:34px;height:34px;border-radius:10px;border:1px solid var(--line);
  background:#fff;color:var(--ink);font-size:15px;cursor:pointer;
}
.drawer-link{
  display:block;padding:13px 14px;border-radius:10px;
  font-size:15px;color:var(--sub);font-weight:500;
}
.drawer-link:hover{background:#F6F5F2;color:var(--ink)}
.drawer-link.active{background:#F6F5F2;color:var(--ink);font-weight:700;box-shadow:inset 4px 0 0 var(--lime)}

/* ===== 页头横幅 ===== */
.page-banner{
  position:relative;min-height:260px;display:flex;align-items:flex-end;
  background-image:linear-gradient(rgba(20,24,28,.74),rgba(20,24,28,.56)),url('/assets/images/backpic/back-1.webp');
  background-size:cover;background-position:center;
  color:#fff;overflow:hidden;
}
.page-banner::after{
  content:"";position:absolute;right:-60px;top:-40px;width:220px;height:220px;
  background:rgba(198,241,53,.14);clip-path:polygon(0 0,100% 0,100% 100%,60% 100%);
  pointer-events:none;
}
.banner-inner{position:relative;z-index:1;padding:44px 0 40px;width:100%}
.crumbs{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:rgba(255,255,255,.62);margin-bottom:14px}
.crumbs a{color:rgba(255,255,255,.78)}
.crumbs a:hover{color:var(--lime)}
.crumbs .sep{color:rgba(255,255,255,.35)}
.crumbs .current{color:#fff}
.page-banner h1{color:#fff;font-size:38px;max-width:820px}
.page-banner .banner-lead{margin-top:12px;font-size:17px;color:#C8CFD4;max-width:640px}
.banner-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:20px}
.banner-tags span{
  display:inline-flex;align-items:center;height:26px;padding:0 12px;border-radius:999px;
  font-size:12px;font-weight:600;color:var(--lime);
  background:rgba(198,241,53,.14);border:1px solid rgba(198,241,53,.28);
}

/* ===== 通用板块 ===== */
.section{padding:80px 0}
.section.tight{padding:56px 0}
.section-head{max-width:720px;margin-bottom:40px}
.section-head .eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:700;color:var(--orange);letter-spacing:.04em;margin-bottom:10px;
}
.section-head .eyebrow::before{content:"";width:22px;height:3px;border-radius:2px;background:var(--orange)}
.section-head h2{font-size:32px}
.section-head p{margin-top:12px;font-size:16px;color:var(--sub)}
.bg-white-wrap{background:#fff;border-top:1px solid var(--line-2);border-bottom:1px solid var(--line-2)}

/* ===== 时间线 ===== */
.timeline-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);
  padding:40px;box-shadow:var(--sh-1);
}
.timeline{position:relative;max-width:840px;margin:0 auto}
.tl-item{position:relative;display:grid;grid-template-columns:52px 1fr;gap:0 20px;padding-bottom:32px}
.tl-item:last-child{padding-bottom:0}
.tl-item::before{
  content:"";position:absolute;left:15px;top:38px;bottom:2px;width:2px;
  background:linear-gradient(180deg,var(--line) 0%,var(--line) 100%);
}
.tl-item:last-child::before{display:none}
.tl-num{
  width:32px;height:32px;border-radius:50%;background:var(--lime);color:var(--ink);
  display:flex;align-items:center;justify-content:center;
  font-size:13px;font-weight:800;position:relative;z-index:1;
}
.tl-body h3{font-size:18px;font-weight:600;color:var(--ink)}
.tl-body p{margin-top:8px;font-size:15px;line-height:1.75;color:var(--sub)}
.tl-body .tl-note{
  display:inline-flex;align-items:center;gap:6px;margin-top:10px;
  font-size:13px;color:var(--ink);background:#F6F5F2;border-radius:999px;padding:4px 12px;
}
.tl-body .tl-note i{color:var(--orange);font-size:12px}

/* ===== 准备清单 ===== */
.check-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:24px}
.check-item{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);
  padding:24px;box-shadow:var(--sh-1);
  transition:transform .18s ease,box-shadow .18s ease,border-color .18s ease;
}
.check-item:hover{transform:translateY(-3px);box-shadow:var(--sh-2);border-color:rgba(255,90,31,.3)}
.check-item .ico{
  width:40px;height:40px;border-radius:12px;background:#F6F5F2;color:var(--orange);
  display:flex;align-items:center;justify-content:center;font-size:16px;margin-bottom:14px;
}
.check-item h3{font-size:16px;font-weight:600}
.check-item p{margin-top:8px;font-size:14px;line-height:1.75;color:var(--sub)}

/* ===== 图文块 ===== */
.split{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:center}
.split-media{position:relative;border-radius:var(--r-card);overflow:hidden;box-shadow:var(--sh-1);background:#EDEAE3}
.split-media img{width:100%;aspect-ratio:16/10;object-fit:cover}
.split-media .tag-corner{
  position:absolute;left:16px;top:16px;height:26px;padding:0 12px;border-radius:999px;
  background:var(--lime);color:var(--ink);font-size:12px;font-weight:700;
  display:inline-flex;align-items:center;
}
.split h2{font-size:28px}
.split p{margin-top:14px;font-size:15px;line-height:1.8;color:var(--sub)}
.mini-list{margin-top:20px;display:grid;gap:12px}
.mini-list li{display:flex;gap:10px;align-items:flex-start;font-size:15px;color:var(--body-c)}
.mini-list li i{color:var(--orange);font-size:13px;margin-top:6px;flex:0 0 auto}

/* ===== 排查面板 ===== */
.trouble-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:20px}
.trouble{
  background:var(--card);border:1px solid var(--line);border-left:4px solid var(--lime);
  border-radius:var(--r-card);padding:22px 24px;
  transition:transform .18s ease,box-shadow .18s ease;
}
.trouble:hover{transform:translateY(-3px);box-shadow:var(--sh-1)}
.trouble h3{font-size:16px;font-weight:600}
.trouble p{margin-top:8px;font-size:14px;line-height:1.75;color:var(--sub)}
.trouble .tagline{
  display:inline-block;margin-bottom:10px;font-size:12px;font-weight:700;
  color:var(--orange);letter-spacing:.04em;
}

/* ===== 数据带 ===== */
.stats-band{background:var(--ink);padding:56px 0;position:relative;overflow:hidden}
.stats-band::before{
  content:"";position:absolute;left:-40px;bottom:-60px;width:200px;height:200px;
  background:rgba(198,241,53,.08);clip-path:polygon(0 0,100% 40%,0 100%);
}
.stats-grid{display:grid;grid-template-columns:repeat(4,1fr);position:relative;z-index:1}
.stat{padding:0 24px;position:relative}
.stat + .stat::before{content:"";position:absolute;left:0;top:6px;bottom:6px;width:1px;background:rgba(255,255,255,.10)}
.stat .num{font-size:40px;font-weight:800;color:var(--lime);line-height:1.1;letter-spacing:-.02em}
.stat .num small{font-size:16px;font-weight:700;margin-left:2px}
.stat .label{margin-top:8px;font-size:14px;color:var(--muted)}

/* ===== CTA 条 ===== */
.cta-band{
  background:rgba(198,241,53,.16);border:1px solid rgba(198,241,53,.42);
  border-radius:var(--r-card);padding:32px 36px;
  display:flex;align-items:center;justify-content:space-between;gap:24px;flex-wrap:wrap;
}
.cta-band h2{font-size:24px}
.cta-band p{margin-top:8px;font-size:15px;color:var(--sub)}
.cta-band .actions{display:flex;gap:12px;flex-wrap:wrap}

/* ===== FAQ ===== */
.faq-list{display:grid;gap:10px;max-width:900px}
.faq-item{background:var(--card);border:1px solid var(--line);border-radius:12px;overflow:hidden}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:18px 22px;background:transparent;border:0;text-align:left;
  font-size:16px;font-weight:600;color:var(--ink);cursor:pointer;
  transition:background .18s ease;
}
.faq-q:hover{background:#FAF9F6}
.faq-q .mark{
  width:24px;height:24px;flex:0 0 auto;border-radius:8px;background:#F6F5F2;
  color:var(--ink);display:flex;align-items:center;justify-content:center;
  font-size:13px;font-weight:700;transition:background .18s ease,color .18s ease;
}
.faq-item.open .faq-q{font-weight:700;box-shadow:inset 4px 0 0 var(--lime)}
.faq-item.open .faq-q .mark{background:var(--lime);color:var(--ink)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .18s ease}
.faq-a-inner{padding:0 22px 20px;font-size:15px;line-height:1.8;color:var(--sub)}
.faq-item.open .faq-a{max-height:360px}

/* ===== 表单与弹层 ===== */
.modal-content{border:0;border-radius:var(--r-sheet);box-shadow:var(--sh-2)}
.modal-header{border-bottom:1px solid var(--line);padding:20px 24px}
.modal-title{font-size:18px;font-weight:700;color:var(--ink)}
.modal-body{padding:24px}
.modal-backdrop.show{opacity:.55}
.form-label{font-size:13px;font-weight:600;color:var(--body-c);margin-bottom:6px}
.form-label .req{color:var(--orange);margin-left:2px}
.form-control,.form-select{
  height:46px;border-radius:var(--r-input);border:1px solid #DCD9D2;
  font-size:15px;color:var(--body-c);background-color:#fff;
  transition:border-color .18s ease,box-shadow .18s ease;
}
.form-control::placeholder{color:var(--muted)}
.form-control:focus,.form-select:focus{
  border-color:var(--orange);box-shadow:0 0 0 3px rgba(255,90,31,.18);outline:0;
}
textarea.form-control{height:auto;min-height:88px;padding-top:12px}
.form-check-input{width:18px;height:18px;border-radius:4px;border:1.5px solid #DCD9D2;margin-top:3px}
.form-check-input:checked{background-color:var(--lime);border-color:var(--lime)}
.form-check-input:checked[type=checkbox]{
  background-image:url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 20 20'%3e%3cpath fill='none' stroke='%2314181C' stroke-linecap='round' stroke-linejoin='round' stroke-width='3' d='m6 10 3 3 6-6'/%3e%3c/svg%3e");
}
.form-check-input:focus{border-color:var(--orange);box-shadow:0 0 0 3px rgba(255,90,31,.18)}
.form-check-label{font-size:13px;color:var(--sub)}
.form-hint{font-size:12px;color:var(--muted);margin-top:6px}
.btn-submit{width:100%;height:46px}

/* ===== 页脚 ===== */
.site-footer{background:var(--ink);color:#C8CFD4;padding:56px 0 0;margin-top:0}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:32px;padding-bottom:40px}
.footer-brand .brand{color:#fff;margin-bottom:16px}
.footer-brand .brand:hover{color:#fff}
.footer-desc{font-size:14px;line-height:1.75;color:#8A9199;max-width:260px;margin-bottom:16px}
.footer-col h4{font-size:14px;font-weight:700;color:#fff;margin-bottom:16px;letter-spacing:.02em}
.footer-col ul{display:grid;gap:10px}
.footer-col ul a{font-size:14px;color:#C8CFD4}
.footer-col ul a:hover{color:var(--lime)}
.footer-contact p{font-size:13px;color:#8A9199;margin-bottom:4px}
.footer-contact a{font-size:15px;color:#fff;font-weight:600}
.footer-contact a:hover{color:var(--lime)}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.10);padding:20px 0 28px;
  display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;
  font-size:13px;color:#7C858B;
}
.footer-bottom a{color:#7C858B;text-decoration:underline;text-underline-offset:4px}
.footer-bottom a:hover{color:var(--lime)}
.text-link{display:inline-block;font-size:14px;font-weight:600;color:var(--orange);border-bottom:1px solid rgba(255,90,31,.4);padding-bottom:1px}
.text-link:hover{color:var(--orange-deep)}

/* ===== 响应式 ===== */
@media (max-width:1199px){
  .page-banner h1{font-size:34px}
  .section{padding:64px 0}
  .timeline-card{padding:32px}
}
@media (max-width:991px){
  :root{--nav-h:104px}
  .nav-top{height:56px}
  .nav-top-inner{padding:0 16px;gap:10px}
  .nav-search{display:none}
  .brand{font-size:16px}
  .brand-mark{width:26px;height:26px;font-size:12px}
  .nav-burger{display:inline-flex}
  .nav-cta{height:36px;padding:0 14px;font-size:13px}
  .nav-channels-inner{padding:0 16px}
  .container-x{padding:0 16px}
  .section{padding:56px 0}
  .section-head{margin-bottom:32px}
  .section-head h2{font-size:26px}
  .page-banner{min-height:230px}
  .page-banner h1{font-size:28px}
  .page-banner .banner-lead{font-size:15px}
  .banner-inner{padding:32px 0}
  .check-grid{grid-template-columns:1fr}
  .split{grid-template-columns:1fr;gap:28px}
  .split h2{font-size:24px}
  .trouble-grid{grid-template-columns:1fr}
  .stats-grid{grid-template-columns:repeat(2,1fr);gap:24px 0}
  .stat{padding:0 20px}
  .stat + .stat::before{display:none}
  .stat:nth-child(even){border-left:1px solid rgba(255,255,255,.10)}
  .stat .num{font-size:32px}
  .cta-band{padding:26px;flex-direction:column;align-items:flex-start}
  .footer-grid{grid-template-columns:repeat(2,1fr);gap:28px}
}
@media (max-width:767px){
  body{font-size:16px}
  .page-banner h1{font-size:24px}
  .page-banner .banner-lead{font-size:14px}
  .banner-tags{margin-top:16px}
  .timeline-card{padding:24px 20px}
  .tl-item{grid-template-columns:44px 1fr;gap:0 12px}
  .tl-item::before{left:15px}
  .tl-body h3{font-size:16px}
  .section-head h2{font-size:24px}
  .cta-band h2{font-size:20px}
  .faq-q{padding:16px 18px;font-size:15px}
  .faq-a-inner{padding:0 18px 18px}
  .footer-grid{grid-template-columns:1fr;gap:26px}
  .footer-bottom{flex-direction:column;align-items:flex-start}
  .modal-dialog{margin:0;position:fixed;bottom:0;left:0;right:0;max-width:none}
  .modal-content{border-radius:18px 18px 0 0;max-height:90vh;overflow:auto}
}
@media (max-width:520px){
  .stat .num{font-size:28px}
  .cta-band .actions{width:100%}
  .cta-band .actions .btn-main,.cta-band .actions .btn-ghost{width:100%}
  .banner-tags span{font-size:11px;padding:0 10px}
}

/* roulang page: category2 */
:root{
  --ink:#14181C;
  --ink-soft:#1E242A;
  --orange:#FF5A1F;
  --orange-dark:#E2450F;
  --lime:#C6F135;
  --paper:#F6F5F2;
  --card:#FFFFFF;
  --line:#E6E4DE;
  --line-soft:#E3E1DB;
  --text:#2A3036;
  --sub:#5C6570;
  --muted:#8A9199;
  --r-card:14px;
  --r-btn:10px;
  --r-input:10px;
  --r-pill:999px;
  --sh:0 6px 20px rgba(20,24,28,.07);
  --sh-hover:0 14px 32px rgba(20,24,28,.13);
  --sec:80px;

  --bs-primary:#FF5A1F;
  --bs-body-color:#2A3036;
  --bs-body-bg:#F6F5F2;
  --bs-body-font-size:16px;
  --bs-border-radius:10px;
  --bs-link-color:#E2450F;
  --bs-link-hover-color:#FF5A1F;
  --bs-font-sans-serif:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  padding-top:112px;
  font-family:var(--bs-font-sans-serif);
  font-size:16px;
  line-height:1.75;
  color:var(--text);
  background:var(--paper);
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4{margin:0;color:var(--ink);font-weight:700;letter-spacing:-.01em;line-height:1.3;}
p{margin:0;}
ul,ol{margin:0;padding:0;list-style:none;}
a{color:inherit;text-decoration:none;transition:color .18s ease,border-color .18s ease,background .18s ease;}
img{display:block;max-width:100%;}
button{font-family:inherit;font-size:inherit;}
:focus-visible{outline:3px solid rgba(255,90,31,.38);outline-offset:2px;border-radius:4px;}

/* ---------- 容器 ---------- */
.container-x{
  width:100%;
  max-width:1200px;
  margin:0 auto;
  padding-left:24px;
  padding-right:24px;
}

/* ---------- 按钮 ---------- */
.btn-main{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:44px;padding:0 22px;border:0;border-radius:var(--r-btn);
  background:var(--orange);color:#fff;font-size:15px;font-weight:600;
  cursor:pointer;white-space:nowrap;
  transition:background .18s ease,transform .18s ease,box-shadow .18s ease;
}
.btn-main:hover{background:var(--orange-dark);color:#fff;transform:translateY(-1px);box-shadow:0 10px 22px rgba(255,90,31,.28);}
.btn-main:active{transform:none;box-shadow:none;}
.btn-ghost{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:44px;padding:0 22px;border-radius:var(--r-btn);
  background:transparent;border:1.5px solid var(--ink);color:var(--ink);
  font-size:15px;font-weight:600;cursor:pointer;
  transition:background .18s ease,color .18s ease,transform .18s ease;
}
.btn-ghost:hover{background:var(--ink);color:#fff;transform:translateY(-1px);}
.btn-ghost.on-dark{border-color:rgba(255,255,255,.72);color:#fff;}
.btn-ghost.on-dark:hover{background:#fff;color:var(--ink);}
.btn-main.is-loading{pointer-events:none;opacity:.75;}
.btn-main[disabled],.btn-main:disabled{opacity:.5;cursor:not-allowed;transform:none;box-shadow:none;}
.text-link{
  display:inline-flex;align-items:center;gap:6px;
  font-size:15px;font-weight:600;color:var(--orange-dark);
  border-bottom:2px solid rgba(255,90,31,.35);padding-bottom:2px;
}
.text-link:hover{color:var(--orange);border-bottom-color:var(--orange);}

/* ---------- 双层导航 ---------- */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:1030;
  background:#fff;border-bottom:1px solid var(--line-soft);
}
.nav-top{height:64px;background:#fff;}
.nav-top-inner{
  max-width:1200px;margin:0 auto;height:100%;
  padding:0 24px;display:flex;align-items:center;gap:16px;
}
.brand{
  display:inline-flex;align-items:center;gap:10px;
  font-size:18px;font-weight:800;letter-spacing:-.01em;color:var(--ink);
  white-space:nowrap;
}
.brand:hover{color:var(--ink);}
.brand-mark{
  width:28px;height:28px;flex:0 0 28px;border-radius:8px;
  background:var(--lime);color:var(--ink);
  font-size:14px;font-weight:800;line-height:1;
  display:inline-flex;align-items:center;justify-content:center;
}
.nav-search{
  margin-left:auto;display:flex;align-items:center;gap:8px;
  width:280px;height:38px;padding:0 16px;
  border:1px solid var(--line);border-radius:var(--r-pill);
  background:#fff;color:var(--muted);
  transition:border-color .18s ease,box-shadow .18s ease;
}
.nav-search:focus-within{border-color:var(--orange);box-shadow:0 0 0 3px rgba(255,90,31,.15);}
.nav-search i{font-size:13px;}
.nav-search input{
  flex:1;min-width:0;border:0;outline:0;background:transparent;
  font-size:14px;color:var(--text);
}
.nav-search input::placeholder{color:var(--muted);}
.nav-cta{height:40px;padding:0 20px;font-size:15px;}
.nav-burger,.nav-icon-btn{
  display:none;align-items:center;justify-content:center;
  width:40px;height:40px;border-radius:10px;border:1px solid var(--line);
  background:#fff;color:var(--ink);cursor:pointer;
}
.nav-burger:hover,.nav-icon-btn:hover{background:var(--paper);}
.nav-channels{height:48px;background:#fff;}
.nav-channels-inner{
  max-width:1200px;margin:0 auto;height:48px;padding:0 24px;
  display:flex;align-items:center;gap:8px;
  overflow-x:auto;scrollbar-width:none;
  -webkit-overflow-scrolling:touch;
}
.nav-channels-inner::-webkit-scrollbar{display:none;}
.pill{
  flex:0 0 auto;padding:6px 16px;border-radius:var(--r-pill);
  font-size:14px;font-weight:500;color:var(--sub);white-space:nowrap;
  transition:background .18s ease,color .18s ease;
}
.pill:hover{background:rgba(20,24,28,.06);color:var(--ink);}
.pill.active{background:var(--lime);color:var(--ink);font-weight:600;}
.mobile-panel{
  display:none;background:#fff;border-top:1px solid var(--line-soft);
  padding:12px 24px 20px;
}
.mobile-panel.open{display:block;}
.mobile-panel a{
  display:block;padding:12px 14px;border-radius:10px;
  font-size:15px;color:var(--sub);border-left:3px solid transparent;
}
.mobile-panel a:hover{background:var(--paper);color:var(--ink);}
.mobile-panel a.active{color:var(--ink);font-weight:600;border-left-color:var(--lime);background:var(--paper);}

/* ---------- 页头横幅 ---------- */
.page-banner{
  position:relative;isolation:isolate;
  min-height:260px;display:flex;align-items:center;
  background:url('/assets/images/backpic/back-2.webp') center/cover no-repeat;
  color:#fff;overflow:hidden;
}
.page-banner::before{
  content:"";position:absolute;inset:0;z-index:-1;
  background:linear-gradient(102deg,rgba(20,24,28,.92) 0%,rgba(20,24,28,.74) 52%,rgba(20,24,28,.55) 100%);
}
.page-banner::after{
  content:"";position:absolute;right:-60px;bottom:-70px;width:280px;height:280px;z-index:-1;
  background:radial-gradient(circle,rgba(198,241,53,.20),transparent 68%);
}
.banner-inner{padding-top:46px;padding-bottom:46px;}
.crumb{
  display:flex;align-items:center;gap:8px;flex-wrap:wrap;
  font-size:13px;color:#9AA3AA;margin-bottom:18px;
}
.crumb a{color:#C8CFD4;}
.crumb a:hover{color:var(--lime);}
.crumb span{color:#6E767D;}
.page-banner h1{
  color:#fff;font-size:clamp(26px,3.6vw,40px);font-weight:800;
  letter-spacing:-.02em;max-width:22ch;
}
.banner-sub{
  margin-top:14px;font-size:17px;line-height:1.7;color:#C8CFD4;max-width:46ch;
}
.banner-line{
  width:56px;height:4px;background:var(--lime);border-radius:2px;
  margin-top:22px;
}

/* ---------- 数据指标带 ---------- */
.metrics-band{background:var(--ink);color:#C8CFD4;padding:52px 0;}
.metrics-head{
  display:flex;align-items:baseline;justify-content:space-between;gap:16px;
  flex-wrap:wrap;margin-bottom:28px;
}
.metrics-head h2{color:#fff;font-size:22px;font-weight:700;}
.metrics-head span{font-size:13px;color:#8A9199;}
.metrics-grid{
  display:grid;grid-template-columns:repeat(4,1fr);gap:0;
  border-top:1px solid rgba(255,255,255,.10);padding-top:28px;
}
.metric{padding:0 24px;border-left:1px solid rgba(255,255,255,.10);}
.metric:first-child{border-left:0;padding-left:0;}
.metric-num{
  font-size:34px;font-weight:800;line-height:1.1;letter-spacing:-.02em;
  color:var(--lime);
}
.metric-label{margin-top:8px;font-size:15px;font-weight:600;color:#E5E9EC;}
.metric-desc{margin-top:6px;font-size:13px;line-height:1.65;color:#8A9199;}

/* ---------- 图文交替 ---------- */
.zigzag-section{padding:var(--sec) 0;}
.sec-head{max-width:640px;margin-bottom:52px;}
.sec-tag{
  display:inline-flex;align-items:center;gap:8px;
  padding:4px 14px;border-radius:var(--r-pill);
  background:rgba(198,241,53,.28);color:#4A5410;
  font-size:12px;font-weight:600;letter-spacing:.02em;
}
.sec-head h2{font-size:32px;margin-top:16px;}
.sec-head p{margin-top:14px;font-size:16px;color:var(--sub);line-height:1.75;}
.zig-row{
  display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center;
  margin-bottom:72px;
}
.zig-row:last-child{margin-bottom:0;}
.zig-row.reverse .zig-media{order:2;}
.zig-media{
  margin:0;border-radius:var(--r-card);overflow:hidden;
  aspect-ratio:16/10;background:#E9E7E1;box-shadow:var(--sh);
  border:1px solid var(--line);
}
.zig-media img{
  width:100%;height:100%;object-fit:cover;
  transition:transform .35s ease;
}
.zig-media:hover img{transform:scale(1.03);}
.zig-index{
  display:inline-block;font-size:13px;font-weight:700;letter-spacing:.12em;
  color:var(--orange);margin-bottom:10px;
}
.zig-text h2{font-size:24px;line-height:1.35;}
.zig-points{margin:18px 0 22px;}
.zig-points li{
  position:relative;padding-left:22px;margin-bottom:12px;
  font-size:15px;line-height:1.78;color:var(--sub);
}
.zig-points li:last-child{margin-bottom:0;}
.zig-points li::before{
  content:"";position:absolute;left:0;top:9px;
  width:8px;height:8px;border-radius:2px;background:var(--lime);
  transform:rotate(45deg);
}

/* ---------- 视图对比 ---------- */
.compare-section{background:#fff;padding:var(--sec) 0;border-top:1px solid var(--line-soft);border-bottom:1px solid var(--line-soft);}
.compare-grid{display:grid;grid-template-columns:1fr 1fr;gap:24px;margin-top:44px;}
.cmp-card{
  border-radius:16px;padding:34px 32px;border:1px solid var(--line);
  background:var(--card);box-shadow:var(--sh);
  transition:transform .18s ease,box-shadow .18s ease;
}
.cmp-card:hover{transform:translateY(-3px);box-shadow:var(--sh-hover);}
.cmp-card.dark{
  background:var(--ink);border-color:transparent;color:#C8CFD4;
  position:relative;overflow:hidden;
}
.cmp-card.dark::after{
  content:"";position:absolute;right:-40px;top:-40px;width:160px;height:160px;
  background:radial-gradient(circle,rgba(198,241,53,.18),transparent 70%);
}
.cmp-badge{
  display:inline-flex;align-items:center;gap:6px;
  padding:3px 12px;border-radius:var(--r-pill);
  background:var(--lime);color:var(--ink);
  font-size:12px;font-weight:700;
}
.cmp-card.dark .cmp-badge{background:rgba(198,241,53,.9);}
.cmp-card h3{font-size:22px;margin-top:16px;}
.cmp-card.dark h3{color:#fff;}
.cmp-card > p{margin-top:10px;font-size:14px;line-height:1.75;color:var(--sub);}
.cmp-card.dark > p{color:#A9B2B8;}
.cmp-list{margin-top:22px;border-top:1px solid var(--line);padding-top:20px;}
.cmp-card.dark .cmp-list{border-top-color:rgba(255,255,255,.12);}
.cmp-list li{
  display:flex;gap:12px;align-items:flex-start;
  font-size:15px;line-height:1.72;color:var(--text);margin-bottom:14px;
}
.cmp-card.dark .cmp-list li{color:#C8CFD4;}
.cmp-list li:last-child{margin-bottom:0;}
.cmp-list i{color:var(--orange);font-size:13px;margin-top:6px;flex:0 0 auto;}
.cmp-card.dark .cmp-list i{color:var(--lime);}

/* ---------- CTA 条 ---------- */
.cta-strip{background:var(--ink);padding:46px 0;position:relative;overflow:hidden;}
.cta-strip::before{
  content:"";position:absolute;left:0;top:0;bottom:0;width:6px;
  background:var(--lime);
}
.cta-inner{
  display:flex;align-items:center;justify-content:space-between;
  gap:28px;flex-wrap:wrap;
}
.cta-inner h2{color:#fff;font-size:26px;}
.cta-inner p{margin-top:8px;font-size:15px;color:#A9B2B8;max-width:56ch;}

/* ---------- FAQ ---------- */
.faq-section{padding:var(--sec) 0;}
.acc-list{max-width:880px;margin-top:36px;}
.acc-item{
  background:var(--card);border:1px solid var(--line);border-radius:12px;
  margin-bottom:10px;overflow:hidden;position:relative;
  transition:border-color .18s ease,box-shadow .18s ease;
}
.acc-item::before{
  content:"";position:absolute;left:0;top:0;bottom:0;width:4px;
  background:var(--lime);opacity:0;transition:opacity .18s ease;
}
.acc-item.open{border-color:rgba(255,90,31,.30);box-shadow:var(--sh);}
.acc-item.open::before{opacity:1;}
.acc-btn{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:18px 22px;background:none;border:0;text-align:left;cursor:pointer;
  font-size:16px;font-weight:600;color:var(--ink);line-height:1.6;
}
.acc-item.open .acc-btn{font-weight:700;}
.acc-icon{
  flex:0 0 26px;width:26px;height:26px;border-radius:8px;
  background:var(--paper);color:var(--ink);
  display:inline-flex;align-items:center;justify-content:center;
  font-size:13px;transition:background .18s ease,color .18s ease;
}
.acc-item.open .acc-icon{background:var(--lime);}
.acc-panel{max-height:0;overflow:hidden;transition:max-height .22s ease;}
.acc-item.open .acc-panel{max-height:420px;}
.acc-panel p{
  padding:0 22px 20px;font-size:15px;line-height:1.8;color:var(--sub);
}

/* ---------- 页脚 ---------- */
.site-footer{
  background:var(--ink);color:#C8CFD4;padding-top:56px;
}
.footer-grid{
  display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:40px;
  padding-bottom:44px;
}
.footer-brand .brand{color:#fff;}
.footer-brand .brand:hover{color:#fff;}
.footer-desc{margin:16px 0 20px;font-size:14px;line-height:1.75;color:#9AA3AA;max-width:30ch;}
.footer-col h4{color:#fff;font-size:15px;font-weight:700;margin-bottom:16px;}
.footer-col ul li{margin-bottom:10px;}
.footer-col ul li a{font-size:14px;color:#A9B2B8;}
.footer-col ul li a:hover{color:var(--lime);}
.footer-contact p{font-size:13px;color:#8A9199;margin-bottom:4px;}
.footer-contact a{font-size:14px;color:#E5E9EC;}
.footer-contact a:hover{color:var(--lime);}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.10);
  padding:20px 0 26px;display:flex;justify-content:space-between;
  gap:16px;flex-wrap:wrap;font-size:13px;color:#7C858B;
}
.footer-bottom a{color:#A9B2B8;border-bottom:1px solid rgba(255,255,255,.2);}
.footer-bottom a:hover{color:var(--lime);}

/* ---------- 弹层 ---------- */
.modal-backdrop.show{opacity:1;background:rgba(20,24,28,.55);}
.modal-backdrop{backdrop-filter:blur(4px);-webkit-backdrop-filter:blur(4px);}
.lead-modal{
  border:0;border-radius:18px;box-shadow:0 24px 60px rgba(20,24,28,.32);
  overflow:hidden;
}
.lead-modal .modal-body{padding:34px 32px 30px;}
.modal-close{
  position:absolute;right:16px;top:16px;z-index:3;
  width:34px;height:34px;border-radius:50%;border:0;
  background:var(--paper);color:var(--ink);cursor:pointer;
  display:inline-flex;align-items:center;justify-content:center;
}
.modal-close:hover{background:var(--line);}
.modal-body h3{font-size:22px;}
.modal-sub{margin-top:10px;font-size:14px;color:var(--sub);line-height:1.7;}
.lead-form{margin-top:22px;}
.field{margin-bottom:16px;}
.field label{display:block;font-size:13px;font-weight:600;color:var(--text);margin-bottom:6px;}
.req{color:var(--orange);margin-left:2px;}
.field input,.field select{
  width:100%;height:46px;padding:0 14px;
  border:1px solid #DCD9D2;border-radius:var(--r-input);
  background:#fff;font-size:15px;color:var(--text);outline:0;
  transition:border-color .18s ease,box-shadow .18s ease;
}
.field select{appearance:none;background-image:url("data:image/svg+xml;charset=utf-8,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16' fill='%235C6570'%3E%3Cpath d='M8 11L3 6h10z'/%3E%3C/svg%3E");background-repeat:no-repeat;background-position:right 14px center;background-size:14px;}
.field input:focus,.field select:focus{border-color:var(--orange);box-shadow:0 0 0 3px rgba(255,90,31,.16);}
.check-row{display:flex;gap:10px;align-items:flex-start;margin-bottom:18px;}
.check-row input{
  width:18px;height:18px;flex:0 0 18px;margin-top:3px;
  accent-color:#B7DE2B;cursor:pointer;
}
.check-row span{font-size:12px;line-height:1.7;color:var(--muted);}
.check-row a{color:var(--orange-dark);border-bottom:1px solid rgba(255,90,31,.4);}
.lead-form .btn-main{width:100%;}
.form-tip{margin-top:12px;font-size:13px;color:var(--orange-dark);min-height:18px;}

/* ---------- 响应式 ---------- */
@media (max-width:1199px){
  .zig-row{gap:40px;}
}
@media (max-width:991px){
  :root{--sec:64px;}
  .sec-head h2{font-size:26px;}
  .zig-row{grid-template-columns:1fr;gap:28px;margin-bottom:52px;}
  .zig-row.reverse .zig-media{order:0;}
  .compare-grid{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
}
@media (max-width:767px){
  :root{--sec:48px;}
  body{padding-top:104px;}
  .nav-top{height:56px;}
  .nav-top-inner{padding:0 16px;gap:10px;}
  .nav-channels-inner{padding:0 16px;}
  .nav-search{display:none;}
  .nav-cta{display:none;}
  .nav-burger{display:inline-flex;margin-left:auto;}
  .nav-icon-btn{display:inline-flex;}
  .container-x{padding-left:16px;padding-right:16px;}
  .page-banner{min-height:200px;}
  .banner-inner{padding-top:32px;padding-bottom:32px;}
  .banner-sub{font-size:15px;}
  .banner-line{margin-top:16px;}
  .metrics-band{padding:40px 0;}
  .metrics-grid{grid-template-columns:1fr 1fr;gap:26px;padding-top:24px;}
  .metric{border-left:0;padding:0;}
  .metric:nth-child(n+3){border-top:1px solid rgba(255,255,255,.10);padding-top:24px;}
  .metric-num{font-size:28px;}
  .zig-text h2{font-size:21px;}
  .cmp-card{padding:26px 22px;}
  .cta-inner h2{font-size:22px;}
  .acc-btn{font-size:15px;padding:16px 18px;}
  .acc-panel p{padding:0 18px 18px;font-size:14px;}
  .footer-grid{grid-template-columns:1fr;gap:28px;}
  .footer-bottom{flex-direction:column;gap:10px;}
  .modal-dialog{margin:0;max-width:100%;min-height:100%;display:flex;align-items:flex-end;}
  .lead-modal{border-radius:18px 18px 0 0;max-height:92vh;}
  .lead-modal .modal-body{padding:30px 20px 26px;overflow-y:auto;max-height:92vh;}
}
@media (max-width:520px){
  .page-banner h1{font-size:24px;}
  .sec-head h2{font-size:23px;}
  .btn-main,.btn-ghost{height:46px;width:100%;}
  .cta-inner .btn-main{width:100%;}
}