/* roulang page: index */
:root{
  --brand-900:#0E3B69;--brand-700:#14538F;--brand-500:#2E7BC4;--brand-100:#EAF2FB;
  --accent-600:#E85D2A;--accent-500:#F26B3A;--accent-100:#FDEDE6;
  --bg:#F6F8FB;--bg-alt:#F2F6FB;--card:#FFFFFF;--line:#E4EAF1;
  --text:#1F2A37;--text-2:#556576;--text-3:#98A6B5;
  --success:#1F9D6B;--warn:#C7860B;--danger:#C0392B;
  --r-card:14px;--r-banner:20px;--r-btn:10px;
  --sd-1:0 1px 2px rgba(16,42,67,.06);
  --sd-2:0 8px 24px rgba(16,42,67,.08);
  --sd-3:0 18px 44px rgba(16,42,67,.12);
  --bs-body-bg:var(--bg);
  --bs-body-color:var(--text);
  --bs-primary:var(--brand-700);
  --bs-primary-rgb:20,83,143;
  --bs-border-color:var(--line);
  --bs-border-radius:var(--r-card);
  --bs-font-sans-serif:"Noto Sans SC","PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,sans-serif;
}
*{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;background:var(--bg);color:var(--text);
  font-family:"Noto Sans SC","PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  font-size:16px;line-height:1.85;letter-spacing:.01em;
  -webkit-font-smoothing:antialiased;
  font-variant-numeric:tabular-nums;
}
img{max-width:100%;display:block;}
h1,h2,h3,h4,p,ul,ol,figure{margin:0;}
ul,ol{padding-left:0;list-style:none;}
a{color:var(--brand-700);text-decoration:none;transition:color .22s ease,background-color .22s ease,border-color .22s ease;}
a:hover{color:var(--brand-500);}
button,input,select,textarea{font:inherit;color:inherit;}
:focus-visible{outline:2px solid var(--brand-700);outline-offset:2px;}
.container{max-width:1200px;padding-left:24px;padding-right:24px;}
@media (max-width:575.98px){.container{padding-left:16px;padding-right:16px;}}
section{position:relative;}
.sec{padding:96px 0;}
.sec-alt{background:var(--bg-alt);}
.sec-white{background:#fff;}
@media (max-width:991.98px){.sec{padding:72px 0;}}
@media (max-width:767.98px){.sec{padding:56px 0;}}
.sec-head{max-width:780px;margin-bottom:44px;}
.sec-head.center{margin-left:auto;margin-right:auto;text-align:center;}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:500;letter-spacing:.02em;color:var(--brand-700);background:var(--brand-100);border-radius:999px;padding:6px 14px;margin-bottom:16px;}
.eyebrow i{font-size:12px;color:var(--accent-500);}
h1{font-size:clamp(30px,4vw,46px);line-height:1.25;font-weight:800;letter-spacing:-.01em;}
h2{font-size:clamp(24px,2.6vw,34px);line-height:1.35;font-weight:700;}
h3{font-size:20px;line-height:1.5;font-weight:600;}
.lead{font-size:17px;line-height:1.85;color:var(--text-2);}
p{color:var(--text-2);}
.sec-head p{margin-top:14px;font-size:16.5px;line-height:1.85;color:var(--text-2);max-width:760px;}
.sec-head.center p{margin-left:auto;margin-right:auto}

/* ---------- 按钮 ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:46px;padding:0 24px;border-radius:var(--r-btn);font-size:15.5px;font-weight:600;border:1px solid transparent;transition:transform .22s ease,box-shadow .22s ease,background-color .22s ease,color .22s ease,border-color .22s ease;cursor:pointer;}
.btn-main{background:var(--brand-700);color:#fff;box-shadow:var(--sd-1);}
.btn-main:hover{background:var(--brand-900);color:#fff;transform:translateY(-2px);box-shadow:var(--sd-2);}
.btn-ghost{background:#fff;color:var(--text);border-color:var(--line);}
.btn-ghost:hover{border-color:var(--brand-700);background:var(--brand-100);color:var(--brand-700);transform:translateY(-2px);}
.btn-accent{background:var(--accent-500);color:#fff;}
.btn-accent:hover{background:var(--accent-600);color:#fff;transform:translateY(-2px);box-shadow:0 8px 20px rgba(232,93,42,.24);}
.btn:disabled,.btn.disabled{opacity:.45;transform:none;box-shadow:none;pointer-events:none;}
.btn-sm{min-height:38px;padding:0 18px;font-size:14px;border-radius:9px;}
.link-more{display:inline-flex;align-items:center;gap:6px;font-size:14.5px;font-weight:600;color:var(--brand-700);}
.link-more i{font-size:12px;transition:transform .22s ease;}
.link-more:hover i{transform:translateX(3px);}

/* ---------- 徽章与标签 ---------- */
.badge-soft{display:inline-block;border-radius:999px;background:var(--brand-100);color:var(--brand-700);font-size:13px;font-weight:500;letter-spacing:.02em;padding:4px 13px;line-height:1.5;}
.badge-date{display:inline-block;border-radius:999px;background:#EEF2F7;color:var(--text-2);font-size:13px;font-weight:500;padding:4px 13px;line-height:1.5;}

/* ---------- 顶部导航 ---------- */
.site-header{position:sticky;top:0;z-index:1030;background:rgba(255,255,255,.96);border-bottom:1px solid var(--line);transition:height .22s ease,box-shadow .22s ease;backdrop-filter:saturate(160%) blur(6px);}
.nav-shell{display:flex;align-items:center;gap:24px;height:80px;transition:height .22s ease;}
.site-header.scrolled{box-shadow:var(--sd-1);}
.site-header.scrolled .nav-shell{height:64px;}
.brand{display:flex;align-items:center;gap:11px;flex-shrink:0;}
.brand-mark{width:40px;height:40px;border-radius:11px;background:linear-gradient(135deg,var(--brand-700),var(--brand-500));position:relative;overflow:hidden;box-shadow:var(--sd-1);}
.brand-mark::before{content:"";position:absolute;left:7px;right:7px;top:11px;height:2px;background:rgba(255,255,255,.92);border-radius:2px;}
.brand-mark::after{content:"";position:absolute;left:7px;right:7px;bottom:11px;height:2px;background:rgba(255,255,255,.55);border-radius:2px;}
.brand-mark span{position:absolute;left:14px;top:14px;width:12px;height:12px;border:2px solid var(--accent-500);border-radius:50%;}
.brand-text{display:flex;flex-direction:column;line-height:1.15;}
.brand-text strong{font-size:19px;font-weight:800;color:var(--brand-900);letter-spacing:.01em;}
.brand-text em{font-style:normal;font-size:11.5px;color:var(--text-3);letter-spacing:.08em;text-transform:uppercase;}
.nav-main{display:flex;align-items:center;gap:2px;margin-left:8px;flex:1;}
.nav-main a.nav-link{display:block;padding:10px 14px;border-radius:9px;font-size:15px;font-weight:500;color:var(--text);white-space:nowrap;}
.nav-main a.nav-link:hover{background:var(--brand-100);color:var(--brand-700);}
.nav-main a.nav-link.active{color:var(--brand-700);font-weight:700;background:var(--brand-100);}
.nav-right{display:flex;align-items:center;gap:12px;flex-shrink:0;}
.nav-phone{display:flex;align-items:center;gap:8px;font-size:14.5px;font-weight:600;color:var(--brand-900);}
.nav-phone i{color:var(--accent-500);}

/* Mega 面板 */
.mega-wrap{position:relative;}
.mega-trigger{display:inline-flex;align-items:center;gap:7px;padding:10px 16px;border-radius:999px;border:1px solid var(--line);background:#fff;font-size:14.5px;font-weight:600;color:var(--brand-900);cursor:pointer;}
.mega-trigger:hover{border-color:var(--brand-500);color:var(--brand-700);}
.mega-trigger i{font-size:12px;transition:transform .22s ease;}
.mega-panel{position:absolute;right:0;top:calc(100% + 14px);width:760px;background:#fff;border:1px solid var(--line);border-radius:16px;box-shadow:var(--sd-3);padding:26px;opacity:0;visibility:hidden;transform:translateY(8px);transition:opacity .22s ease,transform .22s ease,visibility .22s;z-index:1040;}
.mega-wrap:hover .mega-panel,.mega-wrap:focus-within .mega-panel{opacity:1;visibility:visible;transform:translateY(0);}
.mega-wrap:hover .mega-trigger i{transform:rotate(180deg);}
.mega-grid{display:grid;grid-template-columns:1.15fr 1fr 1fr;gap:24px;}
.mega-col h4{font-size:13px;font-weight:600;color:var(--text-3);letter-spacing:.06em;margin-bottom:12px;}
.mega-links{display:grid;grid-template-columns:1fr 1fr;gap:4px;}
.mega-links a{display:flex;align-items:center;gap:9px;padding:9px 10px;border-radius:9px;font-size:14.5px;color:var(--text);}
.mega-links a:hover{background:var(--brand-100);color:var(--brand-700);}
.mega-dot{width:9px;height:9px;border-radius:3px;background:var(--brand-500);flex-shrink:0;}
.mega-dot.o{background:var(--accent-500);}
.mega-list a{display:block;padding:10px 10px;border-radius:9px;font-size:14.5px;color:var(--text);}
.mega-list a:hover{background:var(--brand-100);color:var(--brand-700);}
.mega-list span{display:block;font-size:12.5px;color:var(--text-3);margin-top:2px;}
.mega-card{border:1px solid var(--line);border-radius:14px;overflow:hidden;background:#fff;box-shadow:var(--sd-1);}
.mega-card img{width:100%;height:104px;object-fit:cover;}
.mega-card div{padding:12px 14px;}
.mega-card strong{display:block;font-size:14.5px;color:var(--text);font-weight:600;}
.mega-card em{font-style:normal;font-size:12.5px;color:var(--text-3);}
.nav-toggle{display:none;width:44px;height:44px;border-radius:10px;border:1px solid var(--line);background:#fff;align-items:center;justify-content:center;color:var(--brand-900);}
@media (max-width:1199.98px){.nav-phone{display:none;}}
@media (max-width:991.98px){
  .nav-main,.mega-wrap,.nav-right .btn{display:none;}
  .nav-toggle{display:inline-flex;}
}
.offcanvas{border-radius:0 0 0 0;}
.offcanvas-header{border-bottom:1px solid var(--line);}
.m-nav-list a{display:flex;justify-content:space-between;align-items:center;padding:14px 4px;border-bottom:1px solid var(--line);font-size:16px;color:var(--text);font-weight:500;}
.m-nav-list a:hover{color:var(--brand-700);}
.m-nav-list a i{color:var(--text-3);font-size:13px;}
.m-contact{padding-top:20px;font-size:14.5px;color:var(--text-2);line-height:2;}

/* ---------- Hero ---------- */
.hero{padding:72px 0 84px;background:linear-gradient(180deg,#ffffff 0%,#F2F6FB 100%);overflow:hidden;}
.hero::before{content:"";position:absolute;inset:0;background-image:repeating-linear-gradient(115deg,rgba(46,123,196,.055) 0 1px,transparent 1px 76px),repeating-linear-gradient(65deg,rgba(46,123,196,.04) 0 1px,transparent 1px 76px);pointer-events:none;}
.hero .container{position:relative;z-index:1;}
.hero-grid{display:grid;grid-template-columns:1.05fr 1fr;gap:56px;align-items:center;}
.hero h1{margin-bottom:20px;}
.hero h1 span{color:var(--brand-700);}
.hero .lead{max-width:560px;font-size:17px;}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:30px;}
.hero-trust{display:flex;flex-wrap:wrap;gap:26px;margin-top:34px;padding-top:26px;border-top:1px solid var(--line);}
.hero-trust div{display:flex;align-items:center;gap:9px;font-size:14.5px;color:var(--text-2);}
.hero-trust i{color:var(--brand-500);font-size:16px;}
.hero-visual{position:relative;}
.hero-visual .frame{border-radius:var(--r-banner);overflow:hidden;box-shadow:var(--sd-3);}
.hero-visual .frame img{width:100%;height:440px;object-fit:cover;transition:transform .6s ease;}
.hero-visual .frame:hover img{transform:scale(1.03);}
.float-card{position:absolute;left:-26px;bottom:34px;background:#fff;border:1px solid var(--line);border-radius:14px;box-shadow:var(--sd-2);padding:18px 20px;min-width:206px;}
.float-card strong{display:block;font-size:26px;font-weight:800;color:var(--brand-900);line-height:1.2;}
.float-card span{font-size:13.5px;color:var(--text-2);}
.float-card .bar{height:5px;border-radius:999px;background:var(--brand-100);margin-top:12px;overflow:hidden;}
.float-card .bar i{display:block;height:100%;width:72%;background:var(--accent-500);border-radius:999px;}
@media (max-width:991.98px){
  .hero{padding:52px 0 64px;}
  .hero-grid{grid-template-columns:1fr;gap:36px;}
  .hero-visual{order:2;}
  .hero-visual .frame img{height:320px;}
  .float-card{left:14px;bottom:14px;}
}
@media (max-width:575.98px){.hero-visual .frame img{height:250px;} .float-card{position:static;margin-top:16px;}}

/* ---------- 能力区 1 大 3 小 ---------- */
.cap-grid{display:grid;grid-template-columns:1.45fr 1fr;gap:24px;}
.cap-main{grid-row:span 3;background:#fff;border:1px solid var(--line);border-radius:var(--r-card);box-shadow:var(--sd-2);padding:30px;display:grid;grid-template-columns:1fr;gap:22px;}
.cap-main .thumb{border-radius:12px;overflow:hidden;}
.cap-main .thumb img{width:100%;height:220px;object-fit:cover;transition:transform .5s ease;}
.cap-main:hover .thumb img{transform:scale(1.03);}
.cap-main h3{font-size:23px;font-weight:700;margin-bottom:10px;}
.cap-main p{font-size:15.5px;}
.cap-mini{display:flex;gap:16px;background:#fff;border:1px solid var(--line);border-radius:var(--r-card);box-shadow:var(--sd-1);padding:22px 24px;transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;}
.cap-mini:hover{transform:translateY(-4px);box-shadow:var(--sd-2);border-color:var(--brand-500);}
.cap-mini .num{flex-shrink:0;width:38px;height:38px;border-radius:10px;background:var(--brand-100);color:var(--brand-700);font-weight:700;font-size:15px;display:flex;align-items:center;justify-content:center;}
.cap-mini h3{font-size:17.5px;margin-bottom:6px;}
.cap-mini p{font-size:14.5px;line-height:1.75;}
@media (max-width:991.98px){.cap-grid{grid-template-columns:1fr;}.cap-main{grid-row:auto;}}

/* ---------- 数据区 ---------- */
.stats{display:flex;align-items:stretch;background:#fff;border:1px solid var(--line);border-radius:var(--r-banner);box-shadow:var(--sd-2);overflow:hidden;}
.stat{flex:1 1 0;padding:38px 32px;position:relative;}
.stat:not(:first-child)::before{content:"";position:absolute;left:0;top:26%;bottom:26%;width:1px;background:var(--line);}
.stat.a{flex:1.2 1 0;}
.stat strong{display:block;font-size:clamp(32px,4vw,44px);font-weight:800;color:var(--accent-500);line-height:1.1;}
.stat h3{font-size:16px;font-weight:600;color:var(--text);margin-top:12px;}
.stat p{font-size:14px;color:var(--text-2);margin-top:6px;line-height:1.7;}
@media (max-width:767.98px){
  .stats{flex-wrap:wrap;border-radius:var(--r-card);}
  .stat{flex:1 1 50%;padding:26px 22px;}
  .stat:nth-child(3)::before{display:none;}
}

/* ---------- 案例横向滚动 ---------- */
.case-head{display:flex;justify-content:space-between;align-items:flex-end;gap:24px;margin-bottom:32px;flex-wrap:wrap;}
.case-nav{display:flex;gap:10px;}
.case-nav button{width:44px;height:44px;border-radius:999px;border:1px solid var(--line);background:#fff;color:var(--brand-900);cursor:pointer;transition:all .22s ease;}
.case-nav button:hover{background:var(--brand-700);border-color:var(--brand-700);color:#fff;}
.case-track{display:flex;gap:24px;overflow-x:auto;scroll-snap-type:x mandatory;padding:6px 4px 22px;scrollbar-width:none;}
.case-track::-webkit-scrollbar{display:none;}
.case-card{flex:0 0 calc((100% - 48px)/3);scroll-snap-align:start;background:#fff;border:1px solid var(--line);border-radius:var(--r-card);box-shadow:var(--sd-1);overflow:hidden;transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;}
.case-card:hover{transform:translateY(-4px);box-shadow:var(--sd-2);border-color:var(--brand-500);}
.case-card .thumb{overflow:hidden;}
.case-card .thumb img{width:100%;aspect-ratio:4/3;object-fit:cover;transition:transform .5s ease;}
.case-card:hover .thumb img{transform:scale(1.03);}
.case-card .body{padding:22px;}
.case-card h3{font-size:18px;margin-bottom:8px;}
.case-card p{font-size:14.5px;line-height:1.7;}
@media (max-width:991.98px){.case-card{flex:0 0 calc((100% - 24px)/2);}}
@media (max-width:575.98px){.case-card{flex:0 0 82%;}}

/* ---------- 方案步骤 Tab ---------- */
.step-tabs{display:flex;gap:12px;flex-wrap:wrap;border:0;margin-bottom:32px;}
.step-tabs .nav-link{display:flex;align-items:center;gap:10px;border:1px solid var(--line);background:#fff;border-radius:999px;padding:10px 20px;font-size:15px;font-weight:600;color:var(--text-2);}
.step-tabs .nav-link b{width:24px;height:24px;border-radius:50%;background:var(--brand-100);color:var(--brand-700);font-size:13px;display:flex;align-items:center;justify-content:center;}
.step-tabs .nav-link:hover{border-color:var(--brand-500);color:var(--brand-700);}
.step-tabs .nav-link.active{background:var(--brand-700);border-color:var(--brand-700);color:#fff;box-shadow:var(--sd-2);}
.step-tabs .nav-link.active b{background:rgba(255,255,255,.22);color:#fff;}
.step-panel{background:#fff;border:1px solid var(--line);border-radius:var(--r-banner);box-shadow:var(--sd-2);padding:38px;display:grid;grid-template-columns:1fr 1fr;gap:36px;align-items:center;}
.step-panel h3{font-size:24px;margin-bottom:14px;}
.step-panel ul{margin:20px 0 26px;display:grid;gap:10px;}
.step-panel ul li{display:flex;gap:10px;font-size:15px;color:var(--text-2);}
.step-panel ul li i{color:var(--brand-500);margin-top:6px;font-size:13px;}
.step-panel img{width:100%;height:280px;object-fit:cover;border-radius:var(--r-card);}
@media (max-width:991.98px){.step-panel{grid-template-columns:1fr;padding:26px;}.step-panel img{height:220px;}}

/* ---------- 最新信息（CMS） ---------- */
.news-head{display:flex;justify-content:space-between;align-items:flex-end;gap:20px;margin-bottom:34px;flex-wrap:wrap;}
.news-card{height:100%;background:#fff;border:1px solid var(--line);border-radius:var(--r-card);box-shadow:var(--sd-1);overflow:hidden;display:flex;flex-direction:column;transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;}
.news-card:hover{transform:translateY(-4px);box-shadow:var(--sd-2);border-color:var(--brand-500);}
.news-card .thumb{overflow:hidden;}
.news-card .thumb img{width:100%;height:196px;object-fit:cover;transition:transform .5s ease;}
.news-card:hover .thumb img{transform:scale(1.03);}
.news-card .body{padding:22px;display:flex;flex-direction:column;flex:1;gap:10px;}
.news-card h3{font-size:18px;line-height:1.5;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.news-card h3 a{color:var(--text);}
.news-card h3 a:hover{color:var(--brand-700);}
.news-card p{font-size:14.5px;line-height:1.75;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.news-meta{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-top:auto;padding-top:12px;border-top:1px solid var(--line);font-size:13.5px;color:var(--text-3);}
.empty-state{text-align:center;padding:56px 24px;background:#fff;border:1px dashed var(--line);border-radius:var(--r-card);}
.empty-state i{font-size:40px;color:var(--brand-500);}
.empty-state p{font-size:14.5px;margin:14px 0 10px;}

/* ---------- FAQ ---------- */
.faq-col .accordion-item{border:1px solid var(--line);border-radius:12px;background:#fff;margin-bottom:16px;overflow:hidden;box-shadow:var(--sd-1);}
.faq-col .accordion-button{font-size:17px;font-weight:600;color:var(--text);background:#fff;padding:20px 22px;border:0;box-shadow:none;position:relative;}
.faq-col .accordion-button::after{background-image:none;content:"\f067";font-family:"Font Awesome 6 Free";font-weight:900;font-size:13px;color:var(--brand-700);width:auto;height:auto;transition:transform .22s ease;}
.faq-col .accordion-button:not(.collapsed){color:var(--brand-900);background:#fff;box-shadow:none;}
.faq-col .accordion-button:not(.collapsed)::after{content:"\f068";transform:none;color:var(--accent-500);}
.faq-col .accordion-button:not(.collapsed)::before{content:"";position:absolute;left:0;top:14px;bottom:14px;width:3px;background:var(--accent-500);border-radius:0 3px 3px 0;}
.faq-col .accordion-button:focus{box-shadow:none;}
.faq-col .accordion-body{font-size:15px;color:var(--text-2);padding:0 22px 22px;line-height:1.85;}

/* ---------- 联系区 ---------- */
.contact-wrap{background:#fff;border:1px solid var(--line);border-radius:var(--r-banner);box-shadow:var(--sd-2);overflow:hidden;display:grid;grid-template-columns:1.15fr .85fr;}
.contact-form{padding:40px;}
.form-label{font-size:14.5px;font-weight:600;color:var(--text);margin-bottom:8px;}
.form-control,.form-select{border-radius:10px;border:1px solid var(--line);background:#FBFCFE;padding:12px 14px;font-size:15px;color:var(--text);}
.form-control:focus,.form-select:focus{border-color:var(--brand-700);box-shadow:0 0 0 3px rgba(46,123,196,.18);background:#fff;}
.form-control::placeholder{color:var(--text-3);}
.form-text{font-size:13px;color:var(--text-3);}
.form-check-input:checked{background-color:var(--brand-700);border-color:var(--brand-700);}
.contact-side{background:var(--brand-100);padding:40px 34px;display:flex;flex-direction:column;gap:22px;}
.contact-side h3{font-size:20px;}
.info-row{display:flex;gap:12px;font-size:15px;color:var(--text-2);line-height:1.7;}
.info-row i{color:var(--brand-700);width:20px;margin-top:5px;}
.contact-side .map{border-radius:12px;overflow:hidden;border:1px solid rgba(20,83,143,.14);}
.contact-side .map img{width:100%;height:150px;object-fit:cover;}
.form-alert{display:none;margin-top:16px;font-size:14px;color:var(--success);background:#EAF7F1;border:1px solid #C7E9DA;border-radius:10px;padding:12px 14px;}
@media (max-width:991.98px){.contact-wrap{grid-template-columns:1fr;}.contact-form,.contact-side{padding:26px;}}
@media (max-width:767.98px){.contact-form .btn{width:100%;}}

/* ---------- 底部 CTA ---------- */
.cta-bar{background:var(--brand-100);border-top:1px solid rgba(20,83,143,.08);padding:44px 0;}
.cta-inner{display:flex;align-items:center;justify-content:space-between;gap:28px;flex-wrap:wrap;}
.cta-inner h2{font-size:clamp(21px,2.2vw,27px);max-width:640px;}
.cta-inner p{font-size:15px;margin-top:8px;}

/* ---------- 页脚 ---------- */
.site-footer{background:#fff;border-top:1px solid var(--line);padding:68px 0 0;}
.foot-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:40px;}
.foot-brand .brand{margin-bottom:16px;}
.foot-brand p{font-size:14.5px;line-height:1.85;max-width:320px;}
.foot-col h4{font-size:15.5px;font-weight:700;color:var(--brand-900);margin-bottom:16px;}
.foot-col a{display:block;font-size:14.5px;color:var(--text-2);padding:6px 0;}
.foot-col a:hover{color:var(--brand-700);}
.foot-col .line{font-size:14.5px;color:var(--text-2);padding:6px 0;display:flex;gap:10px;}
.foot-col .line i{color:var(--brand-500);margin-top:6px;font-size:14px;}
.foot-bottom{margin-top:52px;border-top:1px solid var(--line);padding:22px 0;display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;font-size:13px;color:var(--text-3);}
.foot-bottom a{color:var(--text-3);}
.foot-bottom a:hover{color:var(--brand-700);}
@media (max-width:991.98px){.foot-grid{grid-template-columns:1fr 1fr;gap:32px;}}
@media (max-width:575.98px){.foot-grid{grid-template-columns:1fr;}}
@media (prefers-reduced-motion:reduce){*{transition:none!important;animation:none!important;scroll-behavior:auto!important;}}

/* roulang page: article */
:root{
  --brand-900:#0E3B69;
  --brand-700:#14538F;
  --brand-500:#2E7BC4;
  --brand-100:#EAF2FB;
  --accent-600:#E85D2A;
  --accent-500:#F26B3A;
  --accent-100:#FDEDE6;
  --bg:#F6F8FB;
  --bg-alt:#F2F6FB;
  --card:#FFFFFF;
  --line:#E4EAF1;
  --text:#1F2A37;
  --muted:#556576;
  --disabled:#98A6B5;
  --ok:#1F9D6B;
  --warn:#C7860B;
  --err:#C0392B;
  --r-card:14px;
  --r-lg:20px;
  --r-btn:10px;
  --r-pill:999px;
  --sh-1:0 1px 2px rgba(16,42,67,.06);
  --sh-2:0 8px 24px rgba(16,42,67,.08);
  --sh-3:0 18px 44px rgba(16,42,67,.12);
  --t:.22s ease;
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:"Noto Sans SC","PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  background:var(--bg);
  color:var(--text);
  font-size:16px;
  line-height:1.85;
  font-variant-numeric:tabular-nums;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0}
a{color:var(--brand-700);text-decoration:none;transition:color var(--t)}
a:hover{color:var(--accent-600)}
h1,h2,h3,h4{margin:0;color:var(--text);font-weight:700;line-height:1.35}
h1{font-size:clamp(28px,3.6vw,44px);line-height:1.25;font-weight:800}
h2{font-size:clamp(23px,2.5vw,33px)}
h3{font-size:20px;font-weight:600}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
button{font-family:inherit}
:focus-visible{outline:2px solid var(--brand-700);outline-offset:2px}
.container{width:100%;max-width:1200px;margin-inline:auto;padding-inline:24px}
@media (max-width:575.98px){.container{padding-inline:16px}}

/* ============ 按钮族 ============ */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;height:46px;padding:0 24px;border-radius:var(--r-btn);
  font-size:15px;font-weight:600;border:1px solid transparent;cursor:pointer;transition:transform var(--t),box-shadow var(--t),background-color var(--t),color var(--t),border-color var(--t);
  text-align:center;white-space:nowrap}
.btn-primary{background:var(--brand-700);color:#fff;box-shadow:var(--sh-1)}
.btn-primary:hover{background:var(--brand-900);color:#fff;transform:translateY(-2px);box-shadow:var(--sh-2)}
.btn-accent{background:var(--accent-500);color:#fff;box-shadow:var(--sh-1)}
.btn-accent:hover{background:var(--accent-600);color:#fff;transform:translateY(-2px);box-shadow:var(--sh-2)}
.btn-ghost{background:#fff;color:var(--brand-700);border-color:var(--line)}
.btn-ghost:hover{border-color:var(--brand-500);background:var(--brand-100);color:var(--brand-700);transform:translateY(-2px)}
.btn-sm{height:40px;padding:0 18px;font-size:14px}
.btn:active{transform:translateY(0)}
.btn[disabled],.btn.disabled{opacity:.45;pointer-events:none;box-shadow:none}
.btn-block{width:100%}

/* ============ 徽章 / 标签 ============ */
.badge-pill{display:inline-flex;align-items:center;gap:6px;height:28px;padding:0 14px;border-radius:var(--r-pill);
  background:var(--brand-100);color:var(--brand-700);font-size:13px;font-weight:600;letter-spacing:.02em;line-height:1}
.badge-pill.neutral{background:#EEF3F8;color:var(--muted)}
.badge-pill.accent{background:var(--accent-100);color:var(--accent-600)}

/* ============ 顶部导航 ============ */
.site-header{position:sticky;top:0;z-index:1030;background:#fff;border-bottom:1px solid var(--line);transition:box-shadow var(--t)}
.site-header.is-scrolled{box-shadow:var(--sh-1)}
.header-inner{display:flex;align-items:center;gap:24px;height:80px;transition:height var(--t)}
.site-header.is-scrolled .header-inner{height:64px}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto;color:var(--text)}
.brand-mark{position:relative;width:38px;height:38px;border-radius:12px;background:linear-gradient(135deg,var(--brand-700),var(--brand-500));display:grid;place-items:center;flex:0 0 auto}
.brand-mark::before{content:"";position:absolute;width:21px;height:13px;border:2px solid rgba(255,255,255,.92);border-radius:999px}
.brand-mark::after{content:"";position:absolute;width:7px;height:13px;border-radius:999px;background:var(--accent-500);right:7px}
.brand-text{display:flex;flex-direction:column;line-height:1.15}
.brand-text strong{font-size:18px;font-weight:800;color:var(--brand-900);letter-spacing:.01em}
.brand-text em{font-style:normal;font-size:11px;color:var(--muted);letter-spacing:.14em;text-transform:uppercase}
.nav-main{display:flex;align-items:center;gap:2px;margin-left:6px}
.nav-link{display:inline-flex;align-items:center;height:40px;padding:0 13px;border-radius:10px;color:var(--muted);
  font-size:15px;font-weight:500;transition:color var(--t),background-color var(--t)}
.nav-link:hover{color:var(--brand-700);background:var(--brand-100)}
.nav-link.active{color:var(--brand-700);background:var(--brand-100);font-weight:600}
.header-right{margin-left:auto;display:flex;align-items:center;gap:12px}
.mega-wrap{position:relative}
.mega-toggle{display:inline-flex;align-items:center;gap:8px;height:40px;padding:0 16px;border-radius:var(--r-btn);
  border:1px solid var(--line);background:#fff;color:var(--text);font-size:15px;font-weight:600;cursor:pointer;transition:all var(--t)}
.mega-toggle:hover{border-color:var(--brand-500);color:var(--brand-700);background:var(--brand-100)}
.mega-toggle i{font-size:12px;transition:transform var(--t)}
.mega-wrap:hover .mega-toggle i,.mega-wrap:focus-within .mega-toggle i{transform:rotate(180deg)}
.mega-panel{position:absolute;right:0;top:calc(100% + 14px);width:780px;background:#fff;border:1px solid var(--line);
  border-radius:16px;box-shadow:var(--sh-3);padding:22px;display:grid;grid-template-columns:1.35fr 1fr .95fr;gap:20px;
  opacity:0;visibility:hidden;transform:translateY(8px);transition:opacity var(--t),transform var(--t),visibility var(--t)}
.mega-wrap:hover .mega-panel,.mega-wrap:focus-within .mega-panel{opacity:1;visibility:visible;transform:translateY(0)}
.mega-col-title{font-size:12px;font-weight:600;letter-spacing:.06em;color:var(--disabled);margin-bottom:12px}
.mega-links{display:grid;grid-template-columns:1fr 1fr;gap:6px}
.mega-links a{display:flex;align-items:center;gap:9px;padding:9px 10px;border-radius:10px;color:var(--text);font-size:14px;transition:background var(--t),color var(--t)}
.mega-links a:hover{background:var(--brand-100);color:var(--brand-700)}
.mega-links a i{color:var(--brand-500);font-size:14px}
.mega-posts a{display:block;padding:9px 10px;border-radius:10px;transition:background var(--t)}
.mega-posts a:hover{background:var(--brand-100)}
.mega-posts strong{display:-webkit-box;-webkit-line-clamp:1;-webkit-box-orient:vertical;overflow:hidden;font-size:14px;font-weight:600;color:var(--text);line-height:1.6}
.mega-posts span{display:block;font-size:12px;color:var(--disabled);margin-top:2px}
.mega-card{border-radius:12px;overflow:hidden;border:1px solid var(--line);display:flex;flex-direction:column}
.mega-card img{width:100%;height:112px;object-fit:cover}
.mega-card div{padding:12px 14px}
.mega-card strong{font-size:14px;display:block;line-height:1.6}
.mega-card em{font-style:normal;font-size:12px;color:var(--muted)}
.nav-toggle{display:none;align-items:center;justify-content:center;width:44px;height:44px;border-radius:10px;border:1px solid var(--line);background:#fff;color:var(--brand-900);font-size:17px;cursor:pointer}
.nav-toggle:hover{background:var(--brand-100);border-color:var(--brand-500)}
.mobile-menu{display:none;background:#fff;border-top:1px solid var(--line);padding:10px 0 22px;box-shadow:var(--sh-2)}
.mobile-menu.open{display:block}
.mobile-menu nav{display:flex;flex-direction:column;gap:2px}
.mobile-menu a{display:block;padding:13px 14px;border-radius:10px;font-size:15px;font-weight:500;color:var(--text)}
.mobile-menu a:hover{background:var(--brand-100);color:var(--brand-700)}
@media (max-width:1199.98px){
  .nav-link{padding:0 10px;font-size:14px}
  .mega-panel{width:640px;grid-template-columns:1fr 1fr}
  .mega-card{display:none}
}
@media (max-width:991.98px){
  .nav-main,.mega-wrap,.header-right .btn{display:none}
  .nav-toggle{display:inline-flex}
}

/* ============ 文章头部 ============ */
.article-top{background:linear-gradient(180deg,#FFFFFF 0%,var(--bg-alt) 100%);padding:30px 0 34px}
.breadcrumb-bar{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--muted);margin-bottom:20px}
.breadcrumb-bar a{color:var(--muted)}
.breadcrumb-bar a:hover{color:var(--brand-700)}
.breadcrumb-bar .sep{color:#C7D3E0}
.breadcrumb-bar .current{color:var(--text);font-weight:600}
.article-head{max-width:860px}
.article-head h1{margin:14px 0 16px;letter-spacing:-.01em}
.meta-row{display:flex;flex-wrap:wrap;align-items:center;gap:10px;font-size:13px;color:var(--muted)}
.meta-row .dot{width:4px;height:4px;border-radius:50%;background:#C7D3E0}
.article-cover{max-width:1200px;margin:26px auto 0;border-radius:var(--r-lg);overflow:hidden;box-shadow:var(--sh-2);background:var(--brand-100)}
.article-cover img{width:100%;aspect-ratio:16/7;object-fit:cover;transition:transform .5s ease}
.article-cover:hover img{transform:scale(1.03)}
@media (max-width:575.98px){.article-cover img{aspect-ratio:16/10}}

/* ============ 主体布局 ============ */
.article-layout{display:grid;grid-template-columns:minmax(0,1fr) 340px;gap:48px;padding:56px 0 80px}
.article-main{min-width:0}
.article-body{background:#fff;border:1px solid var(--line);border-radius:var(--r-card);box-shadow:var(--sh-1);padding:38px 44px}
.article-body > *:first-child{margin-top:0}
.article-body p{margin:0 0 18px;font-size:16.5px;line-height:1.92;color:#26313F}
.article-body h2{position:relative;margin:38px 0 16px;padding-left:16px;font-size:clamp(20px,2vw,25px);font-weight:700}
.article-body h2::before{content:"";position:absolute;left:0;top:.22em;width:4px;height:1em;border-radius:2px;background:var(--brand-500)}
.article-body h3{margin:26px 0 12px;font-size:19px;font-weight:600}
.article-body ul,.article-body ol{margin:0 0 18px;padding-left:24px}
.article-body ul li{position:relative;padding-left:16px;margin-bottom:10px;line-height:1.85}
.article-body ul li::before{content:"";position:absolute;left:0;top:.82em;width:6px;height:6px;border-radius:50%;background:var(--brand-500)}
.article-body ol{list-style:decimal}
.article-body ol li{margin-bottom:10px;line-height:1.85;padding-left:4px}
.article-body ol li::marker{color:var(--brand-700);font-weight:700}
.article-body blockquote{margin:26px 0;padding:18px 24px;background:var(--brand-100);border-left:4px solid var(--brand-700);border-radius:0 12px 12px 0;color:#25405C}
.article-body blockquote p:last-child{margin-bottom:0}
.article-body img{border-radius:12px;margin:24px auto;box-shadow:var(--sh-1)}
.article-body a{color:var(--brand-700);border-bottom:1px solid rgba(20,83,143,.35)}
.article-body a:hover{color:var(--accent-600);border-bottom-color:rgba(232,93,42,.5)}
.article-body table{width:100%;border-collapse:collapse;margin:24px 0;font-size:15px}
.article-body th{background:var(--brand-100);color:var(--brand-900);text-align:left;padding:12px 14px;font-weight:600}
.article-body td{padding:12px 14px;border-bottom:1px solid var(--line);color:#33404F}
.article-body hr{border:0;border-top:1px solid var(--line);margin:32px 0}
.article-body figure{margin:24px 0}
.article-body figcaption{text-align:center;font-size:13px;color:var(--muted);margin-top:8px}
@media (max-width:991.98px){.article-body{padding:28px 22px}}
@media (max-width:575.98px){.article-body{padding:22px 18px}.article-body p{font-size:16px}}

/* ============ 标签 / 空态 ============ */
.tag-row{display:flex;flex-wrap:wrap;align-items:center;gap:10px;margin-top:28px}
.tag-row .label{font-size:13px;color:var(--muted)}
.tag{display:inline-flex;align-items:center;height:30px;padding:0 14px;border-radius:var(--r-pill);background:#fff;
  border:1px solid var(--line);font-size:13px;color:var(--muted);transition:all var(--t)}
.tag:hover{border-color:var(--brand-500);color:var(--brand-700);background:var(--brand-100)}
.empty-state{display:flex;flex-direction:column;align-items:center;gap:12px;padding:52px 24px;text-align:center;
  background:#fff;border:1px dashed var(--line);border-radius:var(--r-card);color:var(--muted);font-size:14px}
.empty-state i{font-size:38px;color:var(--brand-500)}

/* ============ 上一页 / 下一页 ============ */
.pager{display:grid;grid-template-columns:1fr 1fr;gap:22px;margin-top:32px}
.pager a{display:block;background:#fff;border:1px solid var(--line);border-radius:var(--r-card);padding:20px 22px;
  box-shadow:var(--sh-1);transition:transform var(--t),box-shadow var(--t),border-color var(--t)}
.pager a:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:var(--brand-500)}
.pager span{display:block;font-size:12px;color:var(--disabled);letter-spacing:.06em;margin-bottom:8px}
.pager strong{display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;font-size:16px;font-weight:600;line-height:1.6;color:var(--text)}
.pager .pager-next{text-align:right}
@media (max-width:767.98px){.pager{grid-template-columns:1fr}.pager .pager-next{text-align:left}}

/* ============ 侧栏 ============ */
.article-side{min-width:0}
.side-sticky{position:sticky;top:96px;display:flex;flex-direction:column;gap:22px}
.side-card{background:#fff;border:1px solid var(--line);border-radius:var(--r-card);box-shadow:var(--sh-1);padding:22px 22px 20px;transition:box-shadow var(--t)}
.side-card:hover{box-shadow:var(--sh-2)}
.side-title{display:flex;align-items:center;gap:9px;font-size:16px;font-weight:700;margin-bottom:16px}
.side-title::before{content:"";width:4px;height:16px;border-radius:2px;background:var(--brand-500)}
.side-list a{display:block;padding:11px 10px;border-radius:10px;transition:background var(--t)}
.side-list a:hover{background:var(--brand-100)}
.side-list strong{display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;font-size:14.5px;font-weight:500;line-height:1.65;color:var(--text)}
.side-list span{display:block;font-size:12px;color:var(--disabled);margin-top:4px}
.side-list li + li{border-top:1px solid var(--line)}
.cloud{display:flex;flex-wrap:wrap;gap:9px}
.side-cta{background:var(--brand-100);border:1px solid #D6E5F6;border-radius:var(--r-card);padding:22px}
.side-cta h3{font-size:17px;margin-bottom:8px}
.side-cta p{font-size:14px;color:var(--muted);line-height:1.75;margin-bottom:14px}
.side-cta input{width:100%;height:44px;border-radius:var(--r-btn);border:1px solid var(--line);background:#fff;
  padding:0 14px;font-size:14px;color:var(--text);margin-bottom:10px;transition:border-color var(--t),box-shadow var(--t)}
.side-cta input:focus{outline:none;border-color:var(--brand-700);box-shadow:0 0 0 3px rgba(46,123,196,.18)}
.side-cta input::placeholder{color:var(--disabled)}

/* ============ 相关推荐 ============ */
.related-section{padding:0 0 84px}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:28px}
.section-head h2{font-size:clamp(22px,2.3vw,30px)}
.section-head p{font-size:14px;color:var(--muted);margin-top:6px}
.section-head a{font-size:14px;font-weight:600;white-space:nowrap}
.post-card{display:flex;flex-direction:column;height:100%;background:#fff;border:1px solid var(--line);border-radius:var(--r-card);
  box-shadow:var(--sh-1);overflow:hidden;transition:transform var(--t),box-shadow var(--t),border-color var(--t)}
.post-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:var(--brand-500)}
.post-thumb{overflow:hidden;background:var(--brand-100)}
.post-thumb img{width:100%;aspect-ratio:4/3;object-fit:cover;transition:transform .5s ease}
.post-card:hover .post-thumb img{transform:scale(1.03)}
.post-body{padding:20px 22px 22px;display:flex;flex-direction:column;gap:10px;flex:1}
.post-body h3{display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;font-size:17.5px;font-weight:600;line-height:1.55}
.post-body p{display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;font-size:14.5px;color:var(--muted);line-height:1.75}
.post-foot{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-top:auto;font-size:13px;color:var(--disabled)}
.post-foot time{font-size:13px;color:var(--disabled)}

/* ============ CTA 条 ============ */
.cta-strip{background:var(--brand-100);border-top:1px solid #DCE9F8;border-bottom:1px solid #DCE9F8}
.cta-inner{display:flex;align-items:center;justify-content:space-between;gap:26px;padding:34px 0}
.cta-inner h2{font-size:clamp(20px,2.1vw,27px)}
.cta-inner p{font-size:14.5px;color:var(--muted);margin-top:6px}
@media (max-width:767.98px){.cta-inner{flex-direction:column;align-items:flex-start}.cta-inner .btn{width:100%}}

/* ============ 页脚 ============ */
.site-footer{background:#fff;border-top:1px solid var(--line)}
.foot-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.25fr;gap:36px;padding:62px 0 34px}
.foot-brand .brand{margin-bottom:16px}
.foot-brand p{font-size:14px;color:var(--muted);line-height:1.85;max-width:330px}
.foot-col h4{font-size:15px;font-weight:700;margin-bottom:16px}
.foot-col a,.foot-col .line{display:flex;align-items:flex-start;gap:9px;font-size:14px;color:var(--muted);padding:6px 0;transition:color var(--t)}
.foot-col a:hover{color:var(--brand-700)}
.foot-col .line i{color:var(--brand-500);margin-top:5px;font-size:13px}
.foot-bottom{display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;border-top:1px solid var(--line);
  padding:18px 0 26px;font-size:13px;color:var(--muted)}
.foot-bottom a{color:var(--muted)}
.foot-bottom a:hover{color:var(--brand-700)}
@media (max-width:991.98px){.foot-grid{grid-template-columns:1fr 1fr;gap:28px;padding:48px 0 26px}}
@media (max-width:575.98px){.foot-grid{grid-template-columns:1fr}}

/* ============ 响应式主体 ============ */
@media (max-width:1199.98px){
  .article-layout{grid-template-columns:minmax(0,1fr) 300px;gap:32px}
}
@media (max-width:991.98px){
  .article-layout{grid-template-columns:1fr;padding:44px 0 64px}
  .side-sticky{position:static}
  .related-section{padding-bottom:64px}
}
@media (prefers-reduced-motion:reduce){
  *{transition:none!important;animation:none!important}
  .post-card:hover,.pager a:hover,.btn:hover{transform:none}
}

/* roulang page: category1 */
:root{
  --brand-900:#0E3B69;
  --brand-700:#14538F;
  --brand-500:#2E7BC4;
  --brand-100:#EAF2FB;
  --accent-600:#E85D2A;
  --accent-500:#F26B3A;
  --accent-100:#FDEDE6;
  --bg:#F6F8FB;
  --bg-alt:#F2F6FB;
  --card:#FFFFFF;
  --line:#E4EAF1;
  --text:#1F2A37;
  --muted:#556576;
  --disabled:#98A6B5;
  --ok:#1F9D6B;
  --warn:#C7860B;
  --err:#C0392B;
  --r-card:14px;
  --r-lg:20px;
  --r-btn:10px;
  --r-pill:999px;
  --sh-1:0 1px 2px rgba(16,42,67,.06);
  --sh-2:0 8px 24px rgba(16,42,67,.08);
  --sh-3:0 18px 44px rgba(16,42,67,.12);
  --bs-body-bg:var(--bg);
  --bs-body-color:var(--text);
  --bs-border-color:var(--line);
  --bs-primary:var(--brand-700);
  --bs-primary-rgb:20,83,143;
  --bs-border-radius:var(--r-btn);
  --bs-font-sans-serif:"Noto Sans SC","PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:var(--bs-font-sans-serif);
  font-size:16.5px;
  line-height:1.85;
  color:var(--text);
  background:var(--bg);
  font-variant-numeric:tabular-nums;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;height:auto}
a{color:var(--brand-700);text-decoration:none;transition:color .22s ease,background .22s ease,border-color .22s ease}
a:hover{color:var(--brand-900)}
h1,h2,h3,h4,h5,p,figure,ul,ol{margin:0}
ul,ol{padding:0;list-style:none}
button{font:inherit;color:inherit}
:focus-visible{outline:2px solid var(--brand-700);outline-offset:2px;border-radius:4px}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}
.section{padding:88px 0}
.section.alt{background:var(--bg-alt)}
.section-head{max-width:760px;margin-bottom:40px}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12.5px;font-weight:500;letter-spacing:.06em;
  color:var(--brand-700);background:var(--brand-100);
  border-radius:var(--r-pill);padding:6px 14px;margin-bottom:16px;
}
.eyebrow i{font-size:11px}
h2.section-title{font-size:clamp(24px,2.6vw,34px);line-height:1.35;font-weight:700;color:var(--brand-900);letter-spacing:-.01em}
.section-sub{margin-top:14px;font-size:16.5px;color:var(--muted);max-width:760px}
.head-row{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;flex-wrap:wrap}

/* ---------- 导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:1030;background:#fff;
  border-bottom:1px solid var(--line);
  transition:box-shadow .22s ease;
}
.site-header.is-stuck{box-shadow:var(--sh-2)}
.header-inner{display:flex;align-items:center;gap:28px;height:80px;transition:height .22s ease}
.site-header.is-stuck .header-inner{height:64px}
.brand{display:inline-flex;align-items:center;gap:12px;flex:0 0 auto}
.brand-mark{
  width:40px;height:40px;border-radius:12px;flex:0 0 auto;
  background:linear-gradient(135deg,var(--brand-700),var(--brand-500));
  display:grid;place-items:center;position:relative;overflow:hidden;
}
.brand-mark::before{
  content:"";position:absolute;inset:0;
  background:linear-gradient(115deg,rgba(255,255,255,.28),transparent 55%);
}
.brand-mark span{
  width:19px;height:19px;border:2.5px solid #fff;border-radius:50%;
  border-right-color:transparent;transform:rotate(-28deg);position:relative;
}
.brand-text{display:flex;flex-direction:column;line-height:1.1}
.brand-text strong{font-size:17px;font-weight:700;color:var(--brand-900);letter-spacing:.01em}
.brand-text em{font-style:normal;font-size:11px;letter-spacing:.14em;color:var(--muted);text-transform:uppercase;margin-top:3px}
.nav-main{display:flex;align-items:center;gap:26px;flex:1 1 auto}
.nav-link{
  position:relative;font-size:15px;font-weight:500;color:#38485A;
  padding:8px 0;white-space:nowrap;background:none;border:0;
}
.nav-link::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:2px;
  background:var(--brand-700);transform:scaleX(0);transform-origin:left;
  transition:transform .22s ease;border-radius:2px;
}
.nav-link:hover{color:var(--brand-700)}
.nav-link:hover::after{transform:scaleX(1)}
.nav-link.active{color:var(--brand-700);font-weight:600}
.nav-link.active::after{transform:scaleX(1)}
.header-actions{display:flex;align-items:center;gap:14px;margin-left:auto;flex:0 0 auto}
.mega-wrap{position:relative}
.mega-trigger{
  display:inline-flex;align-items:center;gap:8px;
  height:44px;padding:0 18px;border-radius:var(--r-btn);
  background:#fff;border:1px solid var(--line);color:var(--brand-900);
  font-size:15px;font-weight:600;cursor:pointer;transition:all .22s ease;
}
.mega-trigger:hover{border-color:var(--brand-500);background:var(--brand-100)}
.mega-trigger i{font-size:11px;color:var(--brand-500);transition:transform .22s ease}
.mega-wrap:hover .mega-trigger i,.mega-wrap:focus-within .mega-trigger i{transform:rotate(180deg)}
.mega-panel{
  position:absolute;top:calc(100% + 14px);right:0;width:780px;
  background:#fff;border:1px solid var(--line);border-radius:16px;
  box-shadow:var(--sh-3);padding:26px;
  display:grid;grid-template-columns:1.15fr 1fr .9fr;gap:26px;
  opacity:0;visibility:hidden;transform:translateY(10px);
  transition:opacity .22s ease,transform .22s ease,visibility .22s ease;
}
.mega-wrap:hover .mega-panel,.mega-wrap:focus-within .mega-panel{opacity:1;visibility:visible;transform:translateY(0)}
.mega-title{font-size:12.5px;letter-spacing:.06em;color:var(--muted);margin-bottom:14px;font-weight:500}
.mega-list{display:grid;gap:6px}
.mega-list.two{grid-template-columns:1fr 1fr}
.mega-item{
  display:flex;align-items:center;gap:10px;
  padding:9px 10px;border-radius:10px;font-size:14.5px;color:#31414F;
  transition:background .22s ease,color .22s ease;
}
.mega-item:hover{background:var(--brand-100);color:var(--brand-700)}
.mega-item .dot{
  width:26px;height:26px;border-radius:8px;flex:0 0 auto;
  display:grid;place-items:center;background:var(--brand-100);color:var(--brand-700);font-size:12px;
}
.mega-news a{display:block;padding:10px;border-radius:10px;transition:background .22s ease}
.mega-news a:hover{background:var(--brand-100)}
.mega-news strong{display:block;font-size:14.5px;font-weight:500;color:#31414F;line-height:1.5}
.mega-news span{display:block;font-size:12.5px;color:var(--muted);margin-top:4px}
.mega-card{
  display:block;border-radius:14px;overflow:hidden;border:1px solid var(--line);
  background:#fff;box-shadow:var(--sh-1);transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
}
.mega-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:var(--brand-500)}
.mega-card .pic{aspect-ratio:16/10;overflow:hidden;background:var(--brand-100)}
.mega-card .pic img{width:100%;height:100%;object-fit:cover;transition:transform .35s ease}
.mega-card:hover .pic img{transform:scale(1.04)}
.mega-card .txt{padding:12px 14px 14px;font-size:14.5px;font-weight:600;color:var(--brand-900);line-height:1.55}
.nav-toggle{
  display:none;width:46px;height:46px;border-radius:var(--r-btn);
  border:1px solid var(--line);background:#fff;color:var(--brand-900);
  align-items:center;justify-content:center;cursor:pointer;
}
.nav-toggle:hover{background:var(--brand-100);border-color:var(--brand-500)}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:9px;
  min-height:46px;padding:0 24px;border-radius:var(--r-btn);
  font-size:15.5px;font-weight:600;line-height:1;border:1px solid transparent;
  cursor:pointer;transition:transform .22s ease,box-shadow .22s ease,background .22s ease,border-color .22s ease,color .22s ease;
}
.btn i{font-size:13px}
.btn-primary{background:var(--brand-700);border-color:var(--brand-700);color:#fff}
.btn-primary:hover{background:var(--brand-900);border-color:var(--brand-900);color:#fff;transform:translateY(-2px);box-shadow:var(--sh-2)}
.btn-outline{background:#fff;border-color:var(--line);color:var(--brand-900)}
.btn-outline:hover{border-color:var(--brand-700);background:var(--brand-100);color:var(--brand-700);transform:translateY(-2px)}
.btn-accent{background:var(--accent-500);border-color:var(--accent-500);color:#fff}
.btn-accent:hover{background:var(--accent-600);border-color:var(--accent-600);color:#fff;transform:translateY(-2px);box-shadow:0 10px 24px rgba(232,93,42,.26)}
.btn:disabled,.btn.disabled{opacity:.45;transform:none!important;box-shadow:none!important;cursor:not-allowed}
.link-arrow{display:inline-flex;align-items:center;gap:7px;font-size:14.5px;font-weight:600;color:var(--brand-700)}
.link-arrow i{font-size:11px;transition:transform .22s ease}
.link-arrow:hover i{transform:translateX(4px)}

/* ---------- 页面横幅 ---------- */
.page-banner{position:relative;min-height:320px;display:flex;align-items:flex-end;overflow:hidden;background:var(--bg-alt)}
.page-banner .bg{position:absolute;inset:0}
.page-banner .bg img{width:100%;height:100%;object-fit:cover;object-position:center 40%}
.page-banner .veil{
  position:absolute;inset:0;
  background:linear-gradient(100deg,#FFFFFF 0%,rgba(255,255,255,.95) 36%,rgba(242,246,251,.62) 66%,rgba(242,246,251,.24) 100%);
}
.banner-inner{position:relative;width:100%;padding:56px 0 52px}
.crumb{display:flex;align-items:center;gap:10px;font-size:13px;color:var(--muted);margin-bottom:18px;flex-wrap:wrap}
.crumb a{color:var(--muted)}
.crumb a:hover{color:var(--brand-700)}
.crumb .sep{color:#C6D2DE}
.crumb .now{color:var(--text);font-weight:600}
.banner-inner h1{
  font-size:clamp(28px,3.6vw,42px);line-height:1.28;font-weight:800;
  color:var(--brand-900);letter-spacing:-.015em;max-width:820px;
}
.banner-sub{margin-top:16px;font-size:17px;color:var(--muted);max-width:640px;line-height:1.8}
.banner-actions{margin-top:28px;display:flex;gap:14px;flex-wrap:wrap}
.banner-meta{margin-top:22px;display:flex;gap:22px;flex-wrap:wrap;font-size:13.5px;color:var(--muted)}
.banner-meta span{display:inline-flex;align-items:center;gap:8px}
.banner-meta i{color:var(--brand-500);font-size:12px}

/* ---------- 筛选胶囊 ---------- */
.filter-bar{
  display:flex;align-items:center;gap:10px;flex-wrap:wrap;margin-bottom:34px;
  padding:14px 18px;background:#fff;border:1px solid var(--line);border-radius:16px;box-shadow:var(--sh-1);
}
.filter-bar .label{font-size:13.5px;color:var(--muted);margin-right:6px}
.chip{
  display:inline-flex;align-items:center;gap:8px;
  height:38px;padding:0 18px;border-radius:var(--r-pill);
  font-size:14px;font-weight:500;color:#3A4A59;background:#fff;
  border:1px solid var(--line);cursor:pointer;transition:all .22s ease;
}
.chip:hover{border-color:var(--brand-500);color:var(--brand-700);background:var(--brand-100)}
.chip.is-on{background:var(--brand-700);border-color:var(--brand-700);color:#fff}
.chip.is-on:hover{background:var(--brand-900);border-color:var(--brand-900);color:#fff;transform:none}

/* ---------- 日程时间轴 ---------- */
.schedule-list{border-top:1px solid var(--line)}
.schedule-row{
  display:grid;grid-template-columns:104px 132px minmax(0,1fr) 132px;
  gap:28px;align-items:center;
  padding:26px 8px;border-bottom:1px solid var(--line);
  transition:background .22s ease;
}
.schedule-row:hover{background:#F8FBFF}
.date-block{display:flex;flex-direction:column;gap:4px;border-left:3px solid var(--brand-500);padding-left:14px}
.date-block .d{font-size:30px;font-weight:800;line-height:1;color:var(--brand-700);letter-spacing:-.02em}
.date-block .m{font-size:12.5px;letter-spacing:.08em;color:var(--muted)}
.thumb{
  aspect-ratio:4/3;border-radius:12px;overflow:hidden;background:var(--brand-100);
}
.thumb img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease}
.schedule-row:hover .thumb img{transform:scale(1.05)}
.schedule-info h3{font-size:19px;font-weight:600;color:var(--brand-900);line-height:1.5}
.schedule-info h3 a{color:inherit}
.schedule-info h3 a:hover{color:var(--brand-700)}
.match-meta{display:flex;flex-wrap:wrap;gap:6px 20px;margin-top:12px;font-size:14px;color:var(--muted)}
.match-meta span{display:inline-flex;align-items:center;gap:7px}
.match-meta i{color:var(--brand-500);font-size:12px}
.tag-row{display:flex;gap:8px;flex-wrap:wrap;margin-top:14px}
.tag{
  display:inline-flex;align-items:center;height:26px;padding:0 12px;
  border-radius:var(--r-pill);font-size:12.5px;font-weight:500;
  background:var(--brand-100);color:var(--brand-700);letter-spacing:.02em;
}
.tag.neutral{background:#EEF3F8;color:var(--muted)}
.tag.warm{background:var(--accent-100);color:var(--accent-600)}
.schedule-action{text-align:right}
.status-line{display:block;font-size:12.5px;color:var(--muted);margin-top:10px}
.status-line.open{color:var(--ok)}

/* ---------- 保障图文 ---------- */
.guard-grid{display:grid;grid-template-columns:minmax(0,1.05fr) minmax(0,1fr);gap:56px;align-items:center}
.guard-pic{border-radius:var(--r-lg);overflow:hidden;box-shadow:var(--sh-2);aspect-ratio:16/11;background:var(--brand-100)}
.guard-pic img{width:100%;height:100%;object-fit:cover}
.guard-list{display:grid;gap:0;margin-top:8px}
.guard-item{
  display:grid;grid-template-columns:40px minmax(0,1fr);gap:18px;
  padding:22px 0;border-bottom:1px dashed var(--line);
}
.guard-item:last-child{border-bottom:0}
.guard-item .num{
  width:40px;height:40px;border-radius:12px;display:grid;place-items:center;
  background:var(--brand-100);color:var(--brand-700);font-weight:700;font-size:15px;
}
.guard-item h3{font-size:18.5px;font-weight:600;color:var(--brand-900);line-height:1.5}
.guard-item p{margin-top:8px;font-size:15px;color:var(--muted);line-height:1.8}

/* ---------- 数据条 ---------- */
.stat-strip{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);
  box-shadow:var(--sh-1);display:grid;
  grid-template-columns:1.2fr 1fr 1fr 1.2fr;
  padding:40px 12px;
}
.stat-cell{padding:0 26px;text-align:center;position:relative}
.stat-cell + .stat-cell::before{
  content:"";position:absolute;left:0;top:12%;bottom:12%;width:1px;background:var(--line);
}
.stat-cell .val{font-size:clamp(34px,4vw,46px);font-weight:800;color:var(--accent-500);line-height:1.1;letter-spacing:-.02em}
.stat-cell .val small{font-size:18px;font-weight:700;margin-left:2px}
.stat-cell .lab{margin-top:12px;font-size:14px;color:var(--muted);line-height:1.7}

/* ---------- FAQ ---------- */
.faq-grid{display:grid;grid-template-columns:1fr 1fr;gap:0 24px}
.accordion-item{
  background:#fff;border:1px solid var(--line);border-radius:12px!important;
  margin-bottom:16px;overflow:hidden;transition:border-color .22s ease,box-shadow .22s ease;
}
.accordion-item:hover{border-color:#CFDCE9;box-shadow:var(--sh-1)}
.accordion-item:has(.accordion-button:not(.collapsed)){border-left:3px solid var(--accent-500)}
.accordion-button{
  font-size:17px;font-weight:600;color:var(--text);background:#fff;
  padding:20px 22px;line-height:1.55;box-shadow:none!important;
}
.accordion-button:hover{color:var(--brand-700)}
.accordion-button:not(.collapsed){color:var(--brand-700);background:#fff}
.accordion-button:focus{outline:2px solid var(--brand-700);outline-offset:-3px}
.accordion-button::after{
  content:"+";background-image:none;flex:0 0 auto;
  width:28px;height:28px;border-radius:9px;display:grid;place-items:center;
  background:var(--brand-100);color:var(--brand-700);
  font-size:18px;font-weight:700;line-height:1;margin-left:18px;
  transition:transform .22s ease,background .22s ease,color .22s ease;
}
.accordion-button:not(.collapsed)::after{content:"−";background:var(--accent-100);color:var(--accent-600);transform:rotate(180deg)}
.accordion-body{padding:0 22px 22px;font-size:15px;color:var(--muted);line-height:1.85}

/* ---------- CTA 条 ---------- */
.cta-bar{background:var(--brand-100);border-radius:var(--r-lg);padding:34px 38px}
.cta-inner{display:flex;align-items:center;justify-content:space-between;gap:28px;flex-wrap:wrap}
.cta-inner h2{font-size:clamp(21px,2.2vw,27px);font-weight:700;color:var(--brand-900);line-height:1.4}
.cta-inner p{margin-top:8px;font-size:15px;color:var(--muted);max-width:620px}

/* ---------- 页脚 ---------- */
.site-footer{background:#fff;border-top:1px solid var(--line);padding:64px 0 0;margin-top:8px}
.foot-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.3fr;gap:40px}
.foot-brand .brand{margin-bottom:18px}
.foot-brand p{font-size:14.5px;color:var(--muted);line-height:1.85;max-width:340px}
.foot-col h4{font-size:15px;font-weight:700;color:var(--brand-900);margin-bottom:16px}
.foot-col a{display:block;font-size:14.5px;color:var(--muted);padding:6px 0;transition:color .22s ease,transform .22s ease}
.foot-col a:hover{color:var(--brand-700);transform:translateX(3px)}
.foot-col .line{display:flex;gap:10px;font-size:14.5px;color:var(--muted);padding:6px 0;line-height:1.7}
.foot-col .line i{color:var(--brand-500);font-size:13px;margin-top:6px;flex:0 0 auto}
.foot-bottom{
  margin-top:48px;border-top:1px solid var(--line);padding:22px 0;
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13px;color:var(--muted);
}
.foot-bottom a{color:var(--muted)}
.foot-bottom a:hover{color:var(--brand-700)}

@media (max-width:1199.98px){
  .mega-panel{width:660px;grid-template-columns:1fr 1fr}
  .mega-panel .mega-card{display:none}
  .guard-grid{gap:40px}
}
@media (max-width:991.98px){
  .section{padding:72px 0}
  .header-inner{height:70px;gap:18px}
  .site-header.is-stuck .header-inner{height:64px}
  .nav-main{
    position:fixed;left:0;right:0;top:70px;
    background:#fff;flex-direction:column;align-items:stretch;gap:0;
    padding:10px 24px 22px;box-shadow:var(--sh-3);
    border-bottom:1px solid var(--line);display:none;max-height:calc(100vh - 70px);overflow-y:auto;
  }
  .site-header.nav-open .nav-main{display:flex}
  .nav-link{padding:15px 0;border-bottom:1px solid var(--line);font-size:15.5px}
  .nav-link::after{display:none}
  .nav-toggle{display:inline-flex;margin-left:auto}
  .header-actions{margin-left:0}
  .header-actions .btn-cta{display:none}
  .mega-wrap{display:none}
  .guard-grid{grid-template-columns:1fr;gap:36px}
  .guard-pic{order:-1}
  .stat-strip{grid-template-columns:1fr 1fr;padding:32px 8px;row-gap:32px}
  .stat-cell:nth-child(3)::before{display:none}
  .faq-grid{grid-template-columns:1fr}
  .foot-grid{grid-template-columns:1fr 1fr;gap:34px}
}
@media (max-width:767.98px){
  .section{padding:56px 0}
  .container{padding:0 16px}
  .page-banner{min-height:260px}
  .banner-inner{padding:40px 0 38px}
  .banner-sub{font-size:16px}
  .filter-bar{padding:12px;gap:8px}
  .schedule-row{grid-template-columns:84px minmax(0,1fr);gap:14px 16px;padding:22px 4px}
  .schedule-row .thumb{display:none}
  .schedule-action{grid-column:2;text-align:left}
  .date-block .d{font-size:26px}
  .schedule-info h3{font-size:17.5px}
  .cta-bar{padding:26px 22px}
  .cta-inner .btn{width:100%}
  .btn{min-height:48px}
}
@media (max-width:575.98px){
  .stat-strip{grid-template-columns:1fr;padding:28px 8px;row-gap:26px}
  .stat-cell + .stat-cell::before{display:none}
  .stat-cell{padding:0 16px}
  .foot-grid{grid-template-columns:1fr}
  .foot-bottom{flex-direction:column;gap:8px}
  .banner-actions .btn{width:100%}
}
@media (prefers-reduced-motion:reduce){
  *{transition-duration:.01ms!important;animation-duration:.01ms!important}
  html{scroll-behavior:auto}
}

/* roulang page: category2 */
:root{
  --brand-900:#0E3B69;
  --brand-700:#14538F;
  --brand-500:#2E7BC4;
  --brand-100:#EAF2FB;
  --accent-600:#E85D2A;
  --accent-500:#F26B3A;
  --accent-100:#FDEDE6;
  --bg:#F6F8FB;
  --bg-alt:#F2F6FB;
  --card:#FFFFFF;
  --line:#E4EAF1;
  --text:#1F2A37;
  --text-2:#556576;
  --text-3:#98A6B5;
  --ok:#1F9D6B;
  --warn:#C7860B;
  --err:#C0392B;
  --r-card:14px;
  --r-lg:20px;
  --r-btn:10px;
  --r-pill:999px;
  --sh-1:0 1px 2px rgba(16,42,67,.06);
  --sh-2:0 8px 24px rgba(16,42,67,.08);
  --sh-3:0 18px 44px rgba(16,42,67,.12);
  --t:.22s ease;
  --container:1200px;
  --font:"Noto Sans SC","PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
}

*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--font);
  font-size:16.5px;
  line-height:1.85;
  color:var(--text);
  background:var(--bg);
  font-variant-numeric:tabular-nums;
  overflow-x:hidden;
}
h1,h2,h3,h4,h5,p,ul,ol,figure{margin:0;padding:0;}
ul,ol{list-style:none;}
img{max-width:100%;display:block;}
a{color:var(--brand-700);text-decoration:none;transition:color var(--t);}
a:hover{color:var(--brand-500);}
button{font-family:inherit;}
:focus-visible{outline:2px solid var(--brand-700);outline-offset:2px;border-radius:4px;}

.container{
  width:100%;
  max-width:var(--container);
  margin:0 auto;
  padding-left:24px;
  padding-right:24px;
}
.section{padding:96px 0;}
.section-alt{background:var(--bg-alt);}
.section-white{background:#fff;}

/* ---------- 按钮族 ---------- */
.btn-brand,
.btn-ghost,
.btn-accent{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  min-height:46px;
  padding:11px 24px;
  font-size:15.5px;
  font-weight:600;
  line-height:1.2;
  border-radius:var(--r-btn);
  border:1px solid transparent;
  cursor:pointer;
  transition:transform var(--t),box-shadow var(--t),background var(--t),color var(--t),border-color var(--t);
  white-space:nowrap;
}
.btn-brand{background:var(--brand-700);border-color:var(--brand-700);color:#fff;}
.btn-brand:hover{background:var(--brand-900);border-color:var(--brand-900);color:#fff;transform:translateY(-2px);box-shadow:var(--sh-2);}
.btn-brand:active{transform:translateY(0);box-shadow:var(--sh-1);}
.btn-ghost{background:#fff;border-color:var(--line);color:var(--text);}
.btn-ghost:hover{border-color:var(--brand-700);background:var(--brand-100);color:var(--brand-700);transform:translateY(-2px);}
.btn-accent{background:var(--accent-500);border-color:var(--accent-500);color:#fff;}
.btn-accent:hover{background:var(--accent-600);border-color:var(--accent-600);color:#fff;transform:translateY(-2px);box-shadow:var(--sh-2);}
.btn-brand:disabled,.btn-ghost:disabled,.btn-accent:disabled{opacity:.45;transform:none;box-shadow:none;cursor:not-allowed;}
.btn-sm{min-height:38px;padding:8px 16px;font-size:14px;}
.btn-block{width:100%;}
.btn-primary{--bs-btn-bg:var(--brand-700);--bs-btn-border-color:var(--brand-700);--bs-btn-hover-bg:var(--brand-900);--bs-btn-hover-border-color:var(--brand-900);--bs-btn-active-bg:var(--brand-900);--bs-btn-active-border-color:var(--brand-900);--bs-btn-color:#fff;--bs-btn-hover-color:#fff;--bs-btn-border-radius:var(--r-btn);--bs-btn-padding-y:11px;--bs-btn-padding-x:24px;font-weight:600;}

.link-arrow{display:inline-flex;align-items:center;gap:6px;font-size:14.5px;font-weight:600;color:var(--brand-700);}
.link-arrow i{font-size:12px;transition:transform var(--t);}
.link-arrow:hover{color:var(--brand-500);}
.link-arrow:hover i{transform:translateX(3px);}

/* ---------- 徽章与标签 ---------- */
.badge-tag,
.badge-neutral,
.badge-accent{
  display:inline-flex;
  align-items:center;
  gap:6px;
  padding:4px 12px;
  font-size:12.5px;
  font-weight:500;
  letter-spacing:.02em;
  line-height:1.5;
  border-radius:var(--r-pill);
}
.badge-tag{background:var(--brand-100);color:var(--brand-700);}
.badge-neutral{background:#EEF3F8;color:var(--text-2);}
.badge-accent{background:var(--accent-100);color:var(--accent-600);}

/* ---------- 头部与导航 ---------- */
.site-header{
  position:sticky;
  top:0;
  z-index:1035;
  background:#fff;
  border-bottom:1px solid var(--line);
  transition:box-shadow var(--t);
}
.site-header.is-scrolled{box-shadow:var(--sh-1);}
.header-inner{
  display:flex;
  align-items:center;
  gap:24px;
  height:80px;
  transition:height var(--t);
}
.site-header.is-scrolled .header-inner{height:64px;}

.brand{display:inline-flex;align-items:center;gap:12px;flex:0 0 auto;}
.brand-mark{
  position:relative;
  width:40px;height:40px;
  border-radius:12px;
  background:linear-gradient(140deg,var(--brand-700),var(--brand-500));
  flex:0 0 auto;
  overflow:hidden;
}
.brand-mark::before,
.brand-mark::after{
  content:"";
  position:absolute;
  border:2px solid rgba(255,255,255,.92);
  border-radius:50%;
}
.brand-mark::before{width:26px;height:15px;left:5px;top:12px;}
.brand-mark::after{width:13px;height:8px;left:11.5px;top:15.5px;}
.brand-text{display:flex;flex-direction:column;line-height:1.15;}
.brand-text strong{font-size:18.5px;font-weight:800;color:var(--brand-900);letter-spacing:.02em;}
.brand-text em{font-style:normal;font-size:11px;letter-spacing:.16em;text-transform:uppercase;color:var(--text-3);}

.nav-main{display:flex;align-items:center;gap:4px;margin-left:8px;}
.nav-link{
  position:relative;
  padding:9px 14px;
  font-size:15px;
  font-weight:500;
  color:var(--text-2);
  border-radius:var(--r-btn);
  transition:color var(--t),background var(--t);
}
.nav-link:hover{color:var(--brand-700);background:var(--brand-100);}
.nav-link.active{color:var(--brand-700);font-weight:700;background:var(--brand-100);}

.header-right{margin-left:auto;display:flex;align-items:center;gap:10px;}

.mega-wrap{position:relative;}
.btn-mega{
  display:inline-flex;
  align-items:center;
  gap:8px;
  height:42px;
  padding:0 16px;
  font-size:14.5px;
  font-weight:600;
  color:var(--text);
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--r-btn);
  cursor:pointer;
  transition:border-color var(--t),background var(--t),color var(--t);
}
.btn-mega::after{content:"";}
.btn-mega:hover{border-color:var(--brand-700);color:var(--brand-700);background:var(--brand-100);}
.btn-mega i{font-size:12px;transition:transform var(--t);}
.mega-wrap:hover .btn-mega i{transform:rotate(180deg);}

.mega-panel{
  width:760px;
  padding:24px;
  border:1px solid var(--line);
  border-radius:16px;
  box-shadow:var(--sh-3);
  background:#fff;
  margin-top:10px !important;
  left:auto !important;
  right:0 !important;
}
.mega-grid{display:grid;grid-template-columns:1.15fr 1fr .95fr;gap:24px;}
.mega-title{font-size:13px;font-weight:700;letter-spacing:.06em;color:var(--text-3);margin-bottom:12px;text-transform:uppercase;}
.mega-cats{display:grid;grid-template-columns:1fr 1fr;gap:6px;}
.mega-cat{
  display:flex;align-items:center;gap:9px;
  padding:9px 10px;
  border-radius:10px;
  font-size:14px;
  color:var(--text);
  transition:background var(--t),color var(--t);
}
.mega-cat:hover{background:var(--brand-100);color:var(--brand-700);}
.mega-cat .dot{
  width:26px;height:26px;border-radius:8px;
  display:inline-flex;align-items:center;justify-content:center;
  background:var(--brand-100);color:var(--brand-700);font-size:12px;flex:0 0 auto;
}
.mega-news a{
  display:flex;flex-direction:column;gap:2px;
  padding:9px 10px;border-radius:10px;
  font-size:14px;color:var(--text);
  transition:background var(--t),color var(--t);
}
.mega-news a:hover{background:var(--brand-100);color:var(--brand-700);}
.mega-news span{font-size:12px;color:var(--text-3);}
.mega-card{
  display:block;
  border:1px solid var(--line);
  border-radius:12px;
  overflow:hidden;
  background:#fff;
  transition:box-shadow var(--t),transform var(--t),border-color var(--t);
}
.mega-card:hover{box-shadow:var(--sh-2);transform:translateY(-3px);border-color:var(--brand-500);}
.mega-card .thumb{aspect-ratio:16/10;overflow:hidden;}
.mega-card img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease;}
.mega-card:hover img{transform:scale(1.03);}
.mega-card p{padding:12px 14px;font-size:14px;font-weight:600;color:var(--text);line-height:1.5;}

@media (min-width:992px){
  .mega-wrap:hover .mega-panel,
  .mega-wrap:focus-within .mega-panel{display:block;}
}

.nav-toggle{
  display:none;
  width:44px;height:44px;
  align-items:center;justify-content:center;
  background:#fff;border:1px solid var(--line);border-radius:var(--r-btn);
  font-size:17px;color:var(--text);cursor:pointer;
}
.nav-toggle:hover{border-color:var(--brand-700);color:var(--brand-700);}

.offcanvas{border-radius:0;background:#fff;}
.offcanvas-header{border-bottom:1px solid var(--line);padding:18px 20px;}
.offcanvas-body{padding:18px 20px;}
.drawer-link{
  display:flex;align-items:center;justify-content:space-between;
  padding:13px 12px;
  font-size:15.5px;font-weight:500;color:var(--text);
  border-radius:var(--r-btn);
  border-bottom:1px solid var(--line);
}
.drawer-link:hover,.drawer-link.active{background:var(--brand-100);color:var(--brand-700);}
.drawer-foot{margin-top:22px;display:flex;flex-direction:column;gap:12px;}
.drawer-foot .line{font-size:14px;color:var(--text-2);display:flex;gap:10px;align-items:center;}
.drawer-foot .line i{color:var(--brand-500);}

/* ---------- 页头横幅 ---------- */
.page-hero{
  position:relative;
  min-height:300px;
  display:flex;
  align-items:center;
  padding:56px 0;
  background-image:
    linear-gradient(100deg, rgba(234,242,251,.94) 0%, rgba(234,242,251,.86) 42%, rgba(234,242,251,.42) 100%),
    url("/assets/images/backpic/back-2.webp");
  background-size:cover;
  background-position:center;
}
.page-hero::after{
  content:"";
  position:absolute;
  inset:0;
  background-image:repeating-linear-gradient(115deg, rgba(20,83,143,.05) 0 2px, transparent 2px 26px);
  pointer-events:none;
}
.page-hero .container{position:relative;z-index:2;}
.breadcrumb-nav{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--text-2);margin-bottom:18px;flex-wrap:wrap;}
.breadcrumb-nav a{color:var(--text-2);}
.breadcrumb-nav a:hover{color:var(--brand-700);}
.breadcrumb-nav .sep{color:var(--text-3);}
.breadcrumb-nav .current{color:var(--text);font-weight:700;}

.page-hero h1{
  font-size:clamp(30px,4vw,46px);
  line-height:1.25;
  font-weight:800;
  color:var(--brand-900);
  letter-spacing:-.01em;
  max-width:760px;
}
.page-hero .hero-sub{
  margin-top:16px;
  max-width:680px;
  font-size:17px;
  line-height:1.85;
  color:var(--text-2);
}
.hero-actions{margin-top:26px;display:flex;gap:12px;flex-wrap:wrap;}
.hero-meta{margin-top:24px;display:flex;gap:22px;flex-wrap:wrap;}
.hero-meta span{display:inline-flex;align-items:center;gap:8px;font-size:14px;color:var(--text-2);}
.hero-meta i{color:var(--brand-500);}

/* ---------- 指标条 ---------- */
.metric-bar{
  background:#fff;
  border-bottom:1px solid var(--line);
  padding:26px 0;
}
.metric-row{
  display:grid;
  grid-template-columns:1.2fr 1fr 1fr 1.2fr;
  gap:0;
}
.metric-item{padding:0 24px;border-left:1px solid var(--line);}
.metric-item:first-child{border-left:none;padding-left:0;}
.metric-item:last-child{padding-right:0;}
.metric-item .num{
  font-size:clamp(30px,3.4vw,40px);
  font-weight:800;
  color:var(--accent-500);
  line-height:1.15;
  letter-spacing:-.02em;
}
.metric-item .num small{font-size:16px;font-weight:700;margin-left:2px;}
.metric-item .txt{margin-top:6px;font-size:14px;color:var(--text-2);}

/* ---------- 区块标题 ---------- */
.sec-head{margin-bottom:40px;}
.sec-head .eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12.5px;font-weight:600;letter-spacing:.08em;
  color:var(--brand-700);
  background:var(--brand-100);
  padding:5px 14px;border-radius:var(--r-pill);
  margin-bottom:16px;
}
.sec-head h2{
  font-size:clamp(24px,2.6vw,34px);
  line-height:1.35;
  font-weight:700;
  color:var(--brand-900);
  letter-spacing:-.01em;
}
.sec-head p{margin-top:14px;max-width:800px;font-size:16px;color:var(--text-2);}
.sec-head-row{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;flex-wrap:wrap;}

/* ---------- 3:9 布局 ---------- */
.layout-3-9{
  display:grid;
  grid-template-columns:284px minmax(0,1fr);
  gap:32px;
  align-items:start;
}
.side-col{display:flex;flex-direction:column;gap:20px;position:sticky;top:104px;}

.side-card{
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--r-card);
  box-shadow:var(--sh-1);
  padding:22px;
}
.side-title{
  font-size:17px;
  font-weight:700;
  color:var(--brand-900);
  padding-bottom:14px;
  margin-bottom:12px;
  border-bottom:1px solid var(--line);
}
.aside-list{display:flex;flex-direction:column;gap:4px;}
.aside-link{
  display:flex;align-items:center;justify-content:space-between;
  padding:10px 12px;
  font-size:14.5px;
  color:var(--text-2);
  border-radius:var(--r-btn);
  transition:background var(--t),color var(--t);
}
.aside-link::after{content:"\203A";font-size:16px;color:var(--text-3);}
.aside-link:hover{background:var(--brand-100);color:var(--brand-700);}
.aside-link.is-active{background:var(--brand-700);color:#fff;font-weight:600;}
.aside-link.is-active::after{color:rgba(255,255,255,.75);}

.side-consult{
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--r-card);
  box-shadow:var(--sh-2);
  overflow:hidden;
}
.side-consult .thumb{aspect-ratio:16/10;overflow:hidden;}
.side-consult img{width:100%;height:100%;object-fit:cover;}
.side-consult .inner{padding:22px;}
.side-consult h3{font-size:17px;font-weight:700;color:var(--brand-900);}
.side-consult p{margin-top:10px;font-size:14px;line-height:1.75;color:var(--text-2);}
.side-consult .btn-block{margin-top:16px;}
.side-phone{
  margin-top:14px;
  display:flex;align-items:center;gap:8px;
  font-size:14.5px;font-weight:700;color:var(--brand-700);
}
.side-phone i{color:var(--accent-500);}

/* ---------- 课程卡 ---------- */
.course-grid{
  display:grid;
  grid-template-columns:repeat(3,minmax(0,1fr));
  gap:24px;
}
.course-card{
  display:flex;
  flex-direction:column;
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--r-card);
  box-shadow:var(--sh-1);
  overflow:hidden;
  transition:transform var(--t),box-shadow var(--t),border-color var(--t);
}
.course-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:var(--brand-500);}
.card-media{position:relative;aspect-ratio:4/3;overflow:hidden;background:var(--brand-100);}
.card-media img{width:100%;height:100%;object-fit:cover;transition:transform .45s ease;}
.course-card:hover .card-media img{transform:scale(1.03);}
.card-media .badge-tag{position:absolute;left:12px;top:12px;background:rgba(255,255,255,.94);color:var(--brand-700);box-shadow:var(--sh-1);}
.card-body{padding:20px 22px 22px;display:flex;flex-direction:column;flex:1 1 auto;}
.card-body h3{
  font-size:18.5px;
  font-weight:700;
  line-height:1.5;
  color:var(--brand-900);
  display:-webkit-box;
  -webkit-line-clamp:2;
  -webkit-box-orient:vertical;
  overflow:hidden;
}
.point-list{margin-top:14px;display:flex;flex-direction:column;gap:8px;flex:1 1 auto;}
.point-list li{
  position:relative;
  padding-left:22px;
  font-size:14px;
  line-height:1.7;
  color:var(--text-2);
}
.point-list li::before{
  content:"\f00c";
  font-family:"Font Awesome 6 Free";
  font-weight:900;
  position:absolute;
  left:0;top:2px;
  font-size:11px;
  color:var(--brand-500);
}
.card-foot{
  margin-top:18px;
  padding-top:16px;
  border-top:1px solid var(--line);
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:12px;
}
.price{font-size:18px;font-weight:800;color:var(--accent-600);line-height:1.3;}
.price em{font-style:normal;font-size:12.5px;font-weight:500;color:var(--text-3);margin-left:2px;}

/* ---------- 适用场景 ---------- */
.scene-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:24px;}
.scene-card{
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--r-card);
  box-shadow:var(--sh-1);
  padding:26px 24px;
  transition:transform var(--t),box-shadow var(--t),border-color var(--t);
}
.scene-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:var(--brand-500);}
.scene-card .ico{
  width:46px;height:46px;
  display:inline-flex;align-items:center;justify-content:center;
  border-radius:12px;
  background:var(--brand-100);
  color:var(--brand-700);
  font-size:19px;
  margin-bottom:18px;
}
.scene-card h3{font-size:17.5px;font-weight:700;color:var(--brand-900);}
.scene-card p{margin-top:10px;font-size:14.5px;line-height:1.8;color:var(--text-2);}

/* ---------- 流程条 ---------- */
.steps{
  display:grid;
  grid-template-columns:repeat(4,minmax(0,1fr));
  gap:0;
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  box-shadow:var(--sh-1);
  overflow:hidden;
}
.step{
  padding:30px 26px;
  border-left:1px solid var(--line);
  position:relative;
  transition:background var(--t);
}
.step:first-child{border-left:none;}
.step:hover{background:var(--brand-100);}
.step .no{
  font-size:13px;
  font-weight:800;
  letter-spacing:.1em;
  color:var(--accent-500);
}
.step h3{margin-top:12px;font-size:17.5px;font-weight:700;color:var(--brand-900);}
.step p{margin-top:10px;font-size:14.5px;line-height:1.8;color:var(--text-2);}

/* ---------- 图文保障区 ---------- */
.split{
  display:grid;
  grid-template-columns:minmax(0,1fr) minmax(0,1fr);
  gap:48px;
  align-items:center;
}
.split-media{
  border-radius:var(--r-lg);
  overflow:hidden;
  box-shadow:var(--sh-2);
  aspect-ratio:4/3;
  background:var(--brand-100);
}
.split-media img{width:100%;height:100%;object-fit:cover;transition:transform .5s ease;}
.split-media:hover img{transform:scale(1.03);}
.split-body h2{
  font-size:clamp(24px,2.6vw,34px);
  line-height:1.35;
  font-weight:700;
  color:var(--brand-900);
}
.split-body > p{margin-top:16px;font-size:16px;color:var(--text-2);}
.check-list{margin-top:26px;display:grid;grid-template-columns:1fr 1fr;gap:14px 22px;}
.check-list li{
  position:relative;
  padding-left:28px;
  font-size:15px;
  line-height:1.7;
  color:var(--text);
}
.check-list li::before{
  content:"\f058";
  font-family:"Font Awesome 6 Free";
  font-weight:400;
  position:absolute;
  left:0;top:3px;
  font-size:15px;
  color:var(--brand-500);
}
.split-actions{margin-top:30px;display:flex;gap:12px;flex-wrap:wrap;}

/* ---------- FAQ ---------- */
.faq-grid{display:grid;grid-template-columns:1fr 1fr;gap:20px 24px;align-items:start;}
.accordion-item{
  background:#fff;
  border:1px solid var(--line);
  border-radius:12px;
  overflow:hidden;
  margin-bottom:0;
}
.accordion-item + .accordion-item{margin-top:0;}
.faq-col{display:flex;flex-direction:column;gap:20px;}
.accordion-button{
  position:relative;
  width:100%;
  padding:20px 54px 20px 22px;
  font-size:17px;
  font-weight:600;
  line-height:1.6;
  color:var(--brand-900);
  background:#fff;
  border:none;
  box-shadow:none !important;
  transition:background var(--t),color var(--t);
}
.accordion-button::after{
  position:absolute;
  right:20px;
  top:50%;
  transform:translateY(-50%);
  font-family:"Font Awesome 6 Free";
  font-weight:900;
  content:"\2b";
  font-size:14px;
  color:var(--brand-700);
  background:none;
  width:auto;height:auto;
  transition:transform var(--t),color var(--t);
  line-height:1;
}
.accordion-button:not(.collapsed){
  background:var(--brand-100);
  color:var(--brand-900);
  box-shadow:inset 3px 0 0 0 var(--accent-500) !important;
}
.accordion-button:not(.collapsed)::after{content:"\f068";font-size:13px;color:var(--accent-600);}
.accordion-button:hover{background:var(--bg-alt);}
.accordion-button:focus{outline:none;box-shadow:inset 0 0 0 2px var(--brand-700) !important;}
.accordion-body{
  padding:0 22px 20px;
  font-size:15px;
  line-height:1.85;
  color:var(--text-2);
  background:#fff;
}

/* ---------- CTA 与表单 ---------- */
.cta-strip{
  background:var(--brand-100);
  border-radius:var(--r-lg);
  padding:34px 40px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:28px;
  flex-wrap:wrap;
}
.cta-strip h2{font-size:clamp(20px,2.1vw,26px);font-weight:700;color:var(--brand-900);line-height:1.4;}
.cta-strip p{margin-top:8px;font-size:15px;color:var(--text-2);}

.consult-wrap{
  display:grid;
  grid-template-columns:minmax(0,.9fr) minmax(0,1.1fr);
  gap:48px;
  align-items:start;
}
.consult-info h2{
  font-size:clamp(24px,2.6vw,34px);
  font-weight:700;
  line-height:1.35;
  color:var(--brand-900);
}
.consult-info > p{margin-top:16px;font-size:16px;color:var(--text-2);}
.contact-cards{margin-top:30px;display:flex;flex-direction:column;gap:14px;}
.contact-cards .line{
  display:flex;align-items:center;gap:12px;
  background:#fff;
  border:1px solid var(--line);
  border-radius:12px;
  padding:15px 18px;
  font-size:15px;
  color:var(--text);
  box-shadow:var(--sh-1);
  transition:border-color var(--t),box-shadow var(--t);
}
.contact-cards .line:hover{border-color:var(--brand-500);box-shadow:var(--sh-2);}
.contact-cards i{color:var(--brand-500);font-size:16px;width:20px;text-align:center;}

.consult-form{
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  box-shadow:var(--sh-2);
  padding:32px;
}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:18px;}
.field{margin-bottom:18px;}
.field label{display:block;font-size:14px;font-weight:600;color:var(--text);margin-bottom:8px;}
.field label .req{color:var(--err);margin-left:2px;}
.field input,
.field select,
.field textarea{
  width:100%;
  font-family:inherit;
  font-size:15px;
  color:var(--text);
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--r-btn);
  padding:12px 14px;
  transition:border-color var(--t),box-shadow var(--t);
}
.field textarea{min-height:120px;resize:vertical;line-height:1.75;}
.field input:focus,
.field select:focus,
.field textarea:focus{
  outline:none;
  border-color:var(--brand-700);
  box-shadow:0 0 0 3px rgba(46,123,196,.18);
}
.field input::placeholder,
.field textarea::placeholder{color:var(--text-3);}
.field .hint{margin-top:6px;font-size:13px;color:var(--text-3);}
.agree{display:flex;align-items:flex-start;gap:10px;font-size:14px;color:var(--text-2);line-height:1.7;}
.agree input{width:18px;height:18px;margin-top:3px;flex:0 0 auto;accent-color:var(--brand-700);}
.form-foot{margin-top:22px;display:flex;align-items:center;gap:16px;flex-wrap:wrap;}
.form-foot .tip{font-size:13px;color:var(--text-3);}

/* ---------- 页脚 ---------- */
.site-footer{background:#fff;border-top:1px solid var(--line);padding:64px 0 0;margin-top:0;}
.foot-grid{
  display:grid;
  grid-template-columns:1.5fr 1fr 1fr 1.3fr;
  gap:40px;
  padding-bottom:48px;
}
.foot-brand p{margin-top:18px;font-size:14.5px;line-height:1.85;color:var(--text-2);max-width:340px;}
.foot-col h4{font-size:15px;font-weight:700;color:var(--brand-900);margin-bottom:18px;}
.foot-col a{
  display:block;
  font-size:14.5px;
  color:var(--text-2);
  padding:6px 0;
  transition:color var(--t),padding-left var(--t);
}
.foot-col a:hover{color:var(--brand-700);padding-left:4px;}
.foot-col .line{
  display:flex;
  gap:10px;
  font-size:14.5px;
  color:var(--text-2);
  padding:6px 0;
  line-height:1.7;
}
.foot-col .line i{color:var(--brand-500);margin-top:5px;width:16px;text-align:center;flex:0 0 auto;}
.foot-bottom{
  border-top:1px solid var(--line);
  padding:20px 0;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  flex-wrap:wrap;
  font-size:13px;
  color:var(--text-3);
}
.foot-bottom a{color:var(--text-3);}
.foot-bottom a:hover{color:var(--brand-700);}

/* ---------- 响应式 ---------- */
@media (max-width:1399.98px){
  .mega-panel{width:700px;}
}
@media (max-width:1199.98px){
  .section{padding:80px 0;}
  .course-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .scene-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .metric-row{grid-template-columns:repeat(2,minmax(0,1fr));row-gap:26px;}
  .metric-item{border-left:none;padding:0;}
  .metric-item:nth-child(even){padding-left:24px;border-left:1px solid var(--line);}
  .layout-3-9{grid-template-columns:250px minmax(0,1fr);gap:26px;}
  .nav-main{gap:0;}
  .nav-link{padding:9px 11px;font-size:14.5px;}
}
@media (max-width:991.98px){
  .nav-main{display:none;}
  .nav-toggle{display:inline-flex;}
  .header-cta{display:none;}
  .layout-3-9{grid-template-columns:1fr;}
  .side-col{position:static;flex-direction:row;flex-wrap:wrap;gap:20px;}
  .side-col > .side-card{flex:1 1 300px;}
  .side-col > .side-consult{flex:1 1 300px;}
  .split{grid-template-columns:1fr;gap:32px;}
  .faq-grid{grid-template-columns:1fr;}
  .cta-strip{padding:30px 28px;}
  .consult-wrap{grid-template-columns:1fr;gap:32px;}
  .steps{grid-template-columns:repeat(2,minmax(0,1fr));}
  .step:nth-child(3){border-left:none;border-top:1px solid var(--line);}
  .step:nth-child(4){border-top:1px solid var(--line);}
  .foot-grid{grid-template-columns:1fr 1fr;gap:34px;}
  .mega-panel{display:none !important;}
}
@media (max-width:767.98px){
  body{font-size:16px;}
  .container{padding-left:16px;padding-right:16px;}
  .section{padding:56px 0;}
  .header-inner{height:64px;}
  .page-hero{min-height:260px;padding:40px 0;}
  .page-hero .hero-sub{font-size:15.5px;}
  .hero-actions .btn-brand,
  .hero-actions .btn-ghost{flex:1 1 100%;}
  .layout-3-9{gap:24px;}
  .side-col{flex-direction:column;}
  .aside-list{
    flex-direction:row;
    overflow-x:auto;
    gap:10px;
    padding-bottom:6px;
    scroll-snap-type:x mandatory;
    -webkit-overflow-scrolling:touch;
  }
  .aside-link{
    flex:0 0 auto;
    scroll-snap-align:start;
    border:1px solid var(--line);
    padding:9px 16px;
    border-radius:var(--r-pill);
  }
  .aside-link::after{display:none;}
  .course-grid{grid-template-columns:1fr;}
  .scene-grid{grid-template-columns:1fr;}
  .steps{grid-template-columns:1fr;}
  .step{border-left:none !important;border-top:1px solid var(--line);}
  .step:first-child{border-top:none;}
  .check-list{grid-template-columns:1fr;}
  .form-row{grid-template-columns:1fr;}
  .consult-form{padding:24px 20px;}
  .foot-grid{grid-template-columns:1fr;gap:30px;padding-bottom:36px;}
  .foot-bottom{flex-direction:column;align-items:flex-start;}
  .metric-row{grid-template-columns:1fr 1fr;}
  .metric-item:nth-child(even){padding-left:16px;}
  .cta-strip{flex-direction:column;align-items:flex-start;}
  .cta-strip .btn-accent{width:100%;}
}
@media (max-width:575.98px){
  .page-hero h1{font-size:28px;}
  .card-body{padding:18px 18px 20px;}
  .card-foot{flex-direction:column;align-items:flex-start;gap:10px;}
  .card-foot .link-arrow{width:100%;justify-content:flex-start;}
  .side-consult .inner{padding:18px;}
  .accordion-button{padding:16px 48px 16px 18px;font-size:16px;}
  .accordion-body{padding:0 18px 18px;}
  .consult-form{padding:20px 16px;}
  .metric-row{grid-template-columns:1fr;row-gap:20px;}
  .metric-item:nth-child(even){padding-left:0;border-left:none;}
}
@media (prefers-reduced-motion: reduce){
  *,*::before,*::after{transition:none !important;animation:none !important;scroll-behavior:auto !important;}
}

/* roulang page: category3 */
:root{
  --brand-900:#0E3B69;
  --brand-700:#14538F;
  --brand-500:#2E7BC4;
  --brand-100:#EAF2FB;
  --accent-600:#E85D2A;
  --accent-500:#F26B3A;
  --accent-100:#FDEDE6;
  --bg:#F6F8FB;
  --bg-alt:#F2F6FB;
  --card:#FFFFFF;
  --line:#E4EAF1;
  --text:#1F2A37;
  --muted:#556576;
  --disabled:#98A6B5;
  --ok:#1F9D6B;
  --warn:#C7860B;
  --err:#C0392B;
  --r-card:14px;
  --r-big:20px;
  --r-ctrl:10px;
  --r-pill:999px;
  --sh-1:0 1px 2px rgba(16,42,67,.06);
  --sh-2:0 8px 24px rgba(16,42,67,.08);
  --sh-3:0 18px 44px rgba(16,42,67,.12);
  --t:.22s ease;
  --bs-primary:#14538F;
  --bs-primary-rgb:20,83,143;
  --bs-body-bg:#F6F8FB;
  --bs-body-color:#1F2A37;
  --bs-border-color:#E4EAF1;
  --bs-font-sans-serif:"Noto Sans SC","PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  --bs-border-radius:14px;
  --bs-link-color:#14538F;
  --bs-link-hover-color:#0E3B69;
}
*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--bs-font-sans-serif);
  font-size:16.5px;
  line-height:1.85;
  color:var(--text);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
  font-variant-numeric:tabular-nums;
}
h1,h2,h3,h4,h5,p,ul,ol,figure{margin:0;}
ul,ol{padding-left:0;list-style:none;}
img{max-width:100%;display:block;}
a{color:var(--brand-700);text-decoration:none;transition:color var(--t);}
a:hover{color:var(--brand-900);}
button{font-family:inherit;}
:focus-visible{outline:2px solid var(--brand-700);outline-offset:2px;border-radius:4px;}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px;}
.section{padding:96px 0;}
.section-alt{background:var(--bg-alt);}
.section-white{background:#fff;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:500;letter-spacing:.02em;
  color:var(--brand-700);background:var(--brand-100);
  padding:6px 14px;border-radius:var(--r-pill);
}
.eyebrow i{font-size:12px;}
.sec-head{max-width:760px;margin-bottom:44px;}
.sec-head.center{margin-left:auto;margin-right:auto;text-align:center;}
.sec-head h2{
  font-size:clamp(24px,2.6vw,34px);line-height:1.35;font-weight:700;
  color:var(--brand-900);margin:16px 0 14px;
}
.sec-head p{color:var(--muted);font-size:16px;line-height:1.85;}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:46px;padding:0 24px;border-radius:var(--r-ctrl);
  font-size:15.5px;font-weight:600;border:1px solid transparent;
  cursor:pointer;transition:transform var(--t),box-shadow var(--t),background var(--t),border-color var(--t),color var(--t);
}
.btn-primary{
  background:var(--brand-700);color:#fff;box-shadow:var(--sh-1);
}
.btn-primary:hover{background:var(--brand-900);color:#fff;transform:translateY(-2px);box-shadow:var(--sh-2);}
.btn-primary:active{transform:translateY(0);}
.btn-ghost{
  background:#fff;color:var(--brand-900);border-color:var(--line);box-shadow:var(--sh-1);
}
.btn-ghost:hover{border-color:var(--brand-500);background:var(--brand-100);color:var(--brand-900);transform:translateY(-2px);}
.btn-accent{
  background:var(--accent-500);color:#fff;box-shadow:0 6px 18px rgba(232,93,42,.24);
}
.btn-accent:hover{background:var(--accent-600);color:#fff;transform:translateY(-2px);}
.btn:disabled,.btn.disabled{opacity:.45;pointer-events:none;transform:none;box-shadow:none;}
.btn-sm{height:40px;padding:0 18px;font-size:14.5px;}
.btn-block{width:100%;}
.link-arrow{
  display:inline-flex;align-items:center;gap:6px;font-size:15px;font-weight:600;color:var(--brand-700);
}
.link-arrow i{transition:transform var(--t);font-size:13px;}
.link-arrow:hover i{transform:translateX(4px);}

/* ---------- 徽章 ---------- */
.badge-pill{
  display:inline-flex;align-items:center;gap:6px;
  padding:5px 12px;border-radius:var(--r-pill);
  background:var(--brand-100);color:var(--brand-700);
  font-size:13px;font-weight:500;letter-spacing:.02em;
}
.badge-pill.neutral{background:#EEF3F8;color:var(--muted);}
.badge-pill.accent{background:var(--accent-100);color:var(--accent-600);}

/* ---------- 头部导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:1030;
  background:rgba(255,255,255,.96);
  border-bottom:1px solid var(--line);
  backdrop-filter:saturate(140%) blur(6px);
  transition:height var(--t),box-shadow var(--t);
  height:80px;
}
.site-header.is-scrolled{height:64px;box-shadow:var(--sh-2);}
.header-inner{height:100%;display:flex;align-items:center;gap:28px;}
.brand{display:inline-flex;align-items:center;gap:12px;flex:0 0 auto;}
.brand-mark{
  width:38px;height:38px;border-radius:12px;
  background:linear-gradient(140deg,var(--brand-700),var(--brand-500));
  display:inline-flex;align-items:center;justify-content:center;position:relative;
}
.brand-mark span{
  width:22px;height:12px;border:2px solid #fff;border-radius:8px 8px 0 0;border-bottom:none;
  position:relative;display:block;
}
.brand-mark span::after{
  content:"";position:absolute;left:50%;bottom:-6px;width:2px;height:6px;background:#fff;transform:translateX(-50%);
}
.brand-text{display:flex;flex-direction:column;line-height:1.1;}
.brand-text strong{font-size:18px;font-weight:800;color:var(--brand-900);letter-spacing:.01em;}
.brand-text em{font-style:normal;font-size:11px;letter-spacing:.16em;color:var(--disabled);text-transform:uppercase;}
.nav-main{display:flex;align-items:center;gap:4px;margin-left:auto;}
.nav-link{
  padding:9px 14px;border-radius:var(--r-ctrl);
  font-size:15px;font-weight:500;color:var(--text);
  transition:background var(--t),color var(--t);
  white-space:nowrap;
}
.nav-link:hover{background:var(--brand-100);color:var(--brand-700);}
.nav-link.active{color:var(--brand-700);font-weight:700;background:var(--brand-100);}
.header-actions{display:flex;align-items:center;gap:12px;flex:0 0 auto;}
.mega-wrap{position:relative;}
.mega-toggle{
  display:inline-flex;align-items:center;gap:8px;height:42px;padding:0 16px;
  border:1px solid var(--line);background:#fff;border-radius:var(--r-ctrl);
  font-size:14.5px;font-weight:600;color:var(--brand-900);cursor:pointer;transition:var(--t);
}
.mega-toggle:hover{border-color:var(--brand-500);background:var(--brand-100);}
.mega-panel{
  position:absolute;right:0;top:calc(100% + 14px);width:760px;
  background:#fff;border:1px solid var(--line);border-radius:16px;box-shadow:var(--sh-3);
  padding:24px;display:grid;grid-template-columns:1.5fr 1fr 1fr;gap:24px;
  opacity:0;visibility:hidden;transform:translateY(-8px);
  transition:opacity var(--t),transform var(--t),visibility var(--t);
}
.mega-wrap:hover .mega-panel,
.mega-wrap.open .mega-panel{opacity:1;visibility:visible;transform:translateY(0);}
.mega-col h5{font-size:13px;font-weight:600;letter-spacing:.06em;color:var(--disabled);margin-bottom:14px;}
.mega-links{display:grid;grid-template-columns:1fr 1fr;gap:8px;}
.mega-links a{
  display:flex;align-items:center;gap:8px;padding:9px 10px;border-radius:10px;
  font-size:14px;color:var(--text);transition:background var(--t),color var(--t);
}
.mega-links a:hover{background:var(--brand-100);color:var(--brand-700);}
.mega-links a i{color:var(--brand-500);font-size:14px;}
.mega-news{display:flex;flex-direction:column;gap:4px;}
.mega-news a{
  display:flex;flex-direction:column;gap:2px;padding:9px 10px;border-radius:10px;
  font-size:14px;color:var(--text);line-height:1.5;transition:background var(--t),color var(--t);
}
.mega-news a:hover{background:var(--brand-100);color:var(--brand-700);}
.mega-news a span{font-size:12px;color:var(--disabled);}
.mega-entry{
  border-radius:14px;overflow:hidden;border:1px solid var(--line);display:block;background:#fff;
  transition:transform var(--t),box-shadow var(--t);
}
.mega-entry:hover{transform:translateY(-4px);box-shadow:var(--sh-2);}
.mega-entry img{width:100%;height:110px;object-fit:cover;}
.mega-entry p{padding:12px 14px;font-size:14px;font-weight:600;color:var(--brand-900);line-height:1.5;}
.nav-toggle{
  display:none;width:42px;height:42px;border:1px solid var(--line);background:#fff;border-radius:var(--r-ctrl);
  color:var(--brand-900);cursor:pointer;align-items:center;justify-content:center;
}
.nav-toggle:hover{background:var(--brand-100);border-color:var(--brand-500);}
.nav-offcanvas{width:320px;}
.nav-offcanvas .offcanvas-header{border-bottom:1px solid var(--line);}
.drawer-link{
  display:block;padding:13px 14px;border-radius:12px;font-size:15.5px;color:var(--text);
  border-bottom:1px solid var(--line);
}
.drawer-link:hover{background:var(--brand-100);color:var(--brand-700);}
.drawer-link.active{color:var(--brand-700);font-weight:700;background:var(--brand-100);}

/* ---------- 分类页横幅 ---------- */
.cat-banner{
  position:relative;overflow:hidden;
  min-height:300px;display:flex;align-items:flex-end;
  background-image:url('/assets/images/backpic/back-2.webp');
  background-size:cover;background-position:center;
}
.cat-banner::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(100deg,rgba(234,242,251,.92) 0%,rgba(234,242,251,.72) 46%,rgba(234,242,251,.34) 100%);
}
.cat-banner .container{position:relative;z-index:2;padding-top:56px;padding-bottom:44px;}
.breadcrumb-line{
  display:flex;align-items:center;gap:10px;font-size:13px;color:var(--muted);margin-bottom:20px;
}
.breadcrumb-line a{color:var(--muted);}
.breadcrumb-line a:hover{color:var(--brand-700);}
.breadcrumb-line .sep{color:#B8C5D3;}
.breadcrumb-line .current{color:var(--text);font-weight:700;}
.cat-banner h1{
  font-size:clamp(28px,3.6vw,42px);line-height:1.28;font-weight:800;color:var(--brand-900);
  max-width:820px;margin-bottom:16px;
}
.cat-banner .lead{
  max-width:700px;font-size:16.5px;color:var(--muted);line-height:1.85;margin-bottom:26px;
}
.banner-actions{display:flex;flex-wrap:wrap;gap:12px;align-items:center;}
.cat-meta{display:flex;flex-wrap:wrap;gap:10px;margin-top:22px;}

/* ---------- 图文交错行 ---------- */
.alt-row{
  display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center;
  padding:44px 0;border-bottom:1px solid var(--line);
}
.alt-row:last-child{border-bottom:none;padding-bottom:0;}
.alt-row:first-child{padding-top:0;}
.alt-row.reverse .alt-media{order:2;}
.alt-row.reverse .alt-body{order:1;}
.alt-media{
  border-radius:var(--r-big);overflow:hidden;box-shadow:var(--sh-2);background:var(--brand-100);
}
.alt-media img{width:100%;height:340px;object-fit:cover;transition:transform .5s ease;}
.alt-media:hover img{transform:scale(1.03);}
.alt-body h3{
  font-size:22px;font-weight:600;color:var(--brand-900);line-height:1.5;margin:14px 0 14px;
}
.alt-body p{color:var(--muted);font-size:16px;margin-bottom:14px;}
.check-list{display:flex;flex-direction:column;gap:10px;margin:18px 0 20px;}
.check-list li{display:flex;gap:10px;font-size:15px;color:var(--text);line-height:1.75;}
.check-list li i{color:var(--brand-500);margin-top:6px;font-size:14px;}
.check-list li strong{font-weight:600;color:var(--brand-900);}

/* ---------- 规格表 ---------- */
.table-wrap{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-card);
  box-shadow:var(--sh-1);overflow:hidden;
}
.table-scroll{overflow-x:auto;}
table.spec-table{width:100%;border-collapse:collapse;min-width:760px;}
table.spec-table thead th{
  background:var(--brand-100);color:var(--brand-900);
  font-size:14px;font-weight:600;letter-spacing:.02em;
  text-align:left;padding:16px 22px;white-space:nowrap;
}
table.spec-table tbody td{
  padding:16px 22px;border-top:1px solid var(--line);
  font-size:15px;color:var(--text);vertical-align:top;
}
table.spec-table tbody td:first-child{font-weight:600;color:var(--brand-900);}
table.spec-table tbody tr:hover td{background:#FAFCFE;}
.table-note{
  padding:14px 22px;font-size:13.5px;color:var(--muted);border-top:1px solid var(--line);background:#FBFDFF;
}

/* ---------- 场景路径卡 ---------- */
.path-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:24px;}
.path-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-card);
  padding:26px;box-shadow:var(--sh-1);
  display:flex;gap:20px;
  transition:transform var(--t),box-shadow var(--t),border-color var(--t);
}
.path-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:var(--brand-500);}
.path-num{
  flex:0 0 auto;width:46px;height:46px;border-radius:14px;
  background:var(--brand-100);color:var(--brand-700);
  display:flex;align-items:center;justify-content:center;font-weight:800;font-size:17px;
}
.path-card h3{font-size:19px;font-weight:600;color:var(--brand-900);margin-bottom:10px;}
.path-card p{color:var(--muted);font-size:15px;margin-bottom:12px;}
.path-tags{display:flex;flex-wrap:wrap;gap:8px;}

/* ---------- 流程条 ---------- */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;counter-reset:step;}
.step{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-card);
  padding:26px 24px;position:relative;box-shadow:var(--sh-1);
  transition:transform var(--t),box-shadow var(--t);
}
.step:hover{transform:translateY(-4px);box-shadow:var(--sh-2);}
.step .step-num{
  display:inline-flex;align-items:center;justify-content:center;
  width:34px;height:34px;border-radius:999px;
  background:var(--accent-100);color:var(--accent-600);
  font-size:14px;font-weight:700;margin-bottom:16px;
}
.step h3{font-size:17.5px;font-weight:600;color:var(--brand-900);margin-bottom:8px;}
.step p{font-size:14.5px;color:var(--muted);}
.step::after{
  content:"";position:absolute;right:-12px;top:44px;width:24px;height:2px;
  background:var(--line);
}
.step:last-child::after{display:none;}

/* ---------- FAQ ---------- */
.faq-grid{display:grid;grid-template-columns:1fr 1fr;gap:20px;align-items:start;}
.faq-col{display:flex;flex-direction:column;gap:16px;}
.accordion-item{
  border:1px solid var(--line);border-radius:12px;background:#fff;
  box-shadow:var(--sh-1);overflow:hidden;
}
.accordion-button{
  background:#fff;color:var(--brand-900);font-size:17px;font-weight:600;line-height:1.6;
  padding:20px 22px;border-radius:12px;box-shadow:none;
}
.accordion-button:not(.collapsed){background:#fff;color:var(--brand-900);box-shadow:none;}
.accordion-button::after{
  background-image:none;content:"+";font-size:20px;font-weight:400;color:var(--brand-500);
  width:24px;height:24px;line-height:22px;text-align:center;transition:transform var(--t);
}
.accordion-button:not(.collapsed)::after{transform:rotate(45deg);color:var(--accent-500);}
.accordion-button:focus{box-shadow:0 0 0 2px rgba(20,83,143,.35);border-color:transparent;}
.accordion-body{
  padding:0 22px 22px;font-size:15px;color:var(--muted);line-height:1.85;
  border-left:3px solid transparent;
}
.accordion-item:has(.accordion-button:not(.collapsed)) .accordion-body{border-left-color:var(--accent-500);}

/* ---------- 时段速览 + 到场须知 ---------- */
.period-row{display:flex;flex-wrap:wrap;gap:12px;margin-bottom:36px;}
.period-chip{
  display:inline-flex;align-items:center;gap:9px;
  padding:11px 18px;border-radius:var(--r-pill);
  background:#fff;border:1px solid var(--line);box-shadow:var(--sh-1);
  font-size:14.5px;color:var(--text);font-weight:500;
}
.period-chip i{color:var(--brand-500);}
.period-chip.active{background:var(--brand-700);border-color:var(--brand-700);color:#fff;}
.period-chip.active i{color:#fff;}
.tips-grid{display:grid;grid-template-columns:1.35fr 1fr;gap:28px;align-items:stretch;}
.tips-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-card);
  padding:30px;box-shadow:var(--sh-1);
}
.tips-card h3{font-size:20px;font-weight:600;color:var(--brand-900);margin-bottom:18px;}
.tips-list{display:grid;grid-template-columns:1fr 1fr;gap:14px 24px;}
.tips-list li{display:flex;gap:10px;font-size:15px;color:var(--muted);line-height:1.75;}
.tips-list li i{color:var(--ok);margin-top:6px;font-size:13px;}
.contact-mini{
  background:var(--brand-100);border:1px solid #D8E6F7;border-radius:var(--r-card);
  padding:30px;display:flex;flex-direction:column;gap:14px;
}
.contact-mini h3{font-size:20px;font-weight:700;color:var(--brand-900);}
.contact-mini p{font-size:15px;color:var(--muted);}
.contact-mini .line{display:flex;align-items:center;gap:10px;font-size:15px;color:var(--brand-900);font-weight:600;}
.contact-mini .line i{color:var(--brand-500);}

/* ---------- CTA 条 ---------- */
.cta-bar{background:var(--brand-100);border-top:1px solid #D8E6F7;border-bottom:1px solid #D8E6F7;}
.cta-inner{
  display:flex;align-items:center;justify-content:space-between;gap:28px;
  padding:36px 0;flex-wrap:wrap;
}
.cta-inner h2{font-size:clamp(20px,2.2vw,26px);font-weight:700;color:var(--brand-900);margin-bottom:8px;}
.cta-inner p{font-size:15px;color:var(--muted);}

/* ---------- 表单 ---------- */
.form-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-card);
  padding:30px;box-shadow:var(--sh-2);
}
.form-card h3{font-size:20px;font-weight:600;color:var(--brand-900);margin-bottom:6px;}
.form-card > p{font-size:14.5px;color:var(--muted);margin-bottom:22px;}
.field{margin-bottom:16px;}
.field label{display:block;font-size:14px;font-weight:600;color:var(--text);margin-bottom:7px;}
.form-control,.form-select{
  width:100%;height:46px;padding:0 14px;font-size:15px;color:var(--text);
  background:#fff;border:1px solid var(--line);border-radius:var(--r-ctrl);
  transition:border-color var(--t),box-shadow var(--t);
}
textarea.form-control{height:auto;padding:12px 14px;line-height:1.7;resize:vertical;}
.form-control:focus,.form-select:focus{
  border-color:var(--brand-700);box-shadow:0 0 0 3px rgba(20,83,143,.14);outline:none;
}
.form-control::placeholder{color:var(--disabled);}
.check-line{display:flex;gap:10px;align-items:flex-start;font-size:14px;color:var(--muted);margin:18px 0;}
.check-line input{margin-top:6px;}

/* ---------- 页脚 ---------- */
.site-footer{background:#fff;border-top:1px solid var(--line);padding:64px 0 0;margin-top:0;}
.foot-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:40px;padding-bottom:44px;}
.foot-brand p{font-size:14.5px;color:var(--muted);margin-top:18px;max-width:340px;line-height:1.85;}
.foot-brand .brand{margin-bottom:4px;}
.foot-col h4{font-size:15px;font-weight:700;color:var(--brand-900);margin-bottom:18px;}
.foot-col a{display:block;font-size:14.5px;color:var(--muted);padding:5px 0;transition:color var(--t),padding-left var(--t);}
.foot-col a:hover{color:var(--brand-700);padding-left:4px;}
.foot-col .line{display:flex;gap:10px;font-size:14.5px;color:var(--muted);padding:5px 0;line-height:1.7;}
.foot-col .line i{color:var(--brand-500);margin-top:6px;font-size:13px;}
.foot-bottom{
  border-top:1px solid var(--line);padding:20px 0;
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13px;color:var(--disabled);
}
.foot-bottom a{color:var(--disabled);}
.foot-bottom a:hover{color:var(--brand-700);}

/* ---------- 响应式 ---------- */
@media (max-width:1199.98px){
  .nav-link{padding:9px 10px;font-size:14.5px;}
  .mega-panel{width:660px;}
}
@media (max-width:991.98px){
  .nav-main{display:none;}
  .nav-toggle{display:inline-flex;}
  .header-actions .btn-accent{display:none;}
  .mega-wrap{display:none;}
  .section{padding:72px 0;}
  .alt-row{grid-template-columns:1fr;gap:28px;padding:32px 0;}
  .alt-row.reverse .alt-media{order:1;}
  .alt-row.reverse .alt-body{order:2;}
  .alt-media img{height:280px;}
  .steps{grid-template-columns:repeat(2,1fr);}
  .step::after{display:none;}
  .path-grid{grid-template-columns:1fr;}
  .faq-grid{grid-template-columns:1fr;}
  .tips-grid{grid-template-columns:1fr;}
  .foot-grid{grid-template-columns:1fr 1fr;gap:32px;}
}
@media (max-width:767.98px){
  body{font-size:16px;}
  .container{padding:0 16px;}
  .section{padding:56px 0;}
  .cat-banner{min-height:260px;}
  .cat-banner .container{padding-top:42px;padding-bottom:34px;}
  .banner-actions .btn{width:100%;}
  .tips-list{grid-template-columns:1fr;}
  .steps{grid-template-columns:1fr;}
  .cta-inner{flex-direction:column;align-items:flex-start;}
  .cta-inner .btn{width:100%;}
  .foot-grid{grid-template-columns:1fr;}
  .foot-bottom{flex-direction:column;gap:8px;}
}
@media (max-width:519.98px){
  .brand-text em{display:none;}
  .cat-banner h1{font-size:26px;}
  .alt-media img{height:220px;}
  .form-card{padding:22px;}
}
@media (prefers-reduced-motion:reduce){
  *{transition:none !important;animation:none !important;scroll-behavior:auto !important;}
  .alt-media:hover img{transform:none;}
}

/* roulang page: category4 */
:root{
  --brand-900:#0E3B69;
  --brand-700:#14538F;
  --brand-500:#2E7BC4;
  --brand-100:#EAF2FB;
  --accent-600:#E85D2A;
  --accent-500:#F26B3A;
  --accent-100:#FDEDE6;
  --bg:#F6F8FB;
  --bg-alt:#F2F6FB;
  --surface:#FFFFFF;
  --line:#E4EAF1;
  --text:#1F2A37;
  --text-2:#556576;
  --text-3:#98A6B5;
  --ok:#1F9D6B;
  --warn:#C7860B;
  --err:#C0392B;
  --r-card:14px;
  --r-lg:20px;
  --r-btn:10px;
  --r-pill:999px;
  --sh-1:0 1px 2px rgba(16,42,67,.06);
  --sh-2:0 8px 24px rgba(16,42,67,.08);
  --sh-3:0 18px 44px rgba(16,42,67,.12);
  --t:.22s ease;
  --bs-primary:#14538F;
  --bs-primary-rgb:20,83,143;
  --bs-body-bg:#F6F8FB;
  --bs-body-color:#1F2A37;
  --bs-border-color:#E4EAF1;
  --bs-border-radius:14px;
  --bs-font-sans-serif:"Noto Sans SC","PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:var(--bs-font-sans-serif);
  font-size:16.5px;
  line-height:1.85;
  color:var(--text);
  background:var(--bg);
  font-variant-numeric:tabular-nums;
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4,h5,p,figure,ul,ol{margin:0;padding:0}
ul,ol{list-style:none}
img{max-width:100%;height:auto;display:block}
a{color:var(--brand-700);text-decoration:none;transition:color var(--t),background-color var(--t),border-color var(--t)}
a:hover{color:var(--brand-900)}
button{font:inherit}
:focus-visible{outline:2px solid var(--brand-700);outline-offset:2px;border-radius:6px}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}

/* ---------- 顶部导航 ---------- */
.site-header{
  position:sticky;
  top:0;
  z-index:1030;
  background:rgba(255,255,255,.96);
  border-bottom:1px solid var(--line);
  transition:box-shadow var(--t),background-color var(--t);
}
.site-header.is-scrolled{box-shadow:var(--sh-1);background:#fff}
.header-inner{
  height:80px;
  display:flex;
  align-items:center;
  gap:20px;
  transition:height var(--t);
}
.site-header.is-scrolled .header-inner{height:64px}
.brand{display:inline-flex;align-items:center;gap:11px;flex:0 0 auto;color:var(--text)}
.brand:hover{color:var(--text)}
.brand-mark{
  width:38px;height:38px;border-radius:11px;
  background:linear-gradient(140deg,var(--brand-700),var(--brand-500) 62%,var(--accent-500));
  display:inline-flex;align-items:center;justify-content:center;
  box-shadow:0 6px 16px rgba(20,83,143,.24);
}
.brand-mark span{
  width:20px;height:20px;border-radius:50%;
  border:2px solid rgba(255,255,255,.92);
  border-right-color:var(--accent-100);
  display:block;
}
.brand-text{display:flex;flex-direction:column;line-height:1.15}
.brand-text strong{font-size:17.5px;font-weight:800;letter-spacing:.4px}
.brand-text em{font-style:normal;font-size:11px;letter-spacing:.14em;color:var(--text-3);text-transform:uppercase}
.nav-main{display:none;align-items:center;gap:2px;margin-left:auto}
.nav-link{
  color:var(--text-2);
  font-size:15px;
  font-weight:500;
  padding:9px 13px;
  border-radius:var(--r-btn);
  white-space:nowrap;
}
.nav-link:hover{color:var(--brand-700);background:var(--brand-100)}
.nav-link.active{color:var(--brand-700);background:var(--brand-100);font-weight:600}
.header-actions{display:flex;align-items:center;gap:10px;margin-left:auto}
.nav-main + .header-actions{margin-left:12px}
.nav-toggle{
  display:inline-flex;align-items:center;justify-content:center;
  width:44px;height:44px;border-radius:var(--r-btn);
  border:1px solid var(--line);background:#fff;color:var(--brand-700);
}
.nav-toggle:hover{background:var(--brand-100);border-color:var(--brand-500)}

/* Mega 面板 */
.mega{position:relative;display:none}
.mega > button{
  display:inline-flex;align-items:center;gap:8px;
  height:42px;padding:0 16px;border-radius:var(--r-btn);
  border:1px solid var(--line);background:#fff;color:var(--text);
  font-size:15px;font-weight:600;
  transition:all var(--t);
}
.mega > button:hover{border-color:var(--brand-500);background:var(--brand-100);color:var(--brand-700)}
.mega-panel{
  position:absolute;right:0;top:calc(100% + 12px);
  width:760px;background:#fff;border:1px solid var(--line);
  border-radius:16px;box-shadow:var(--sh-3);
  padding:22px;display:grid;grid-template-columns:1.15fr 1fr .95fr;gap:20px;
  opacity:0;visibility:hidden;transform:translateY(8px);
  transition:opacity var(--t),transform var(--t),visibility var(--t);
}
.mega:hover .mega-panel,.mega:focus-within .mega-panel{opacity:1;visibility:visible;transform:translateY(0)}
.mega-title{font-size:12.5px;letter-spacing:.06em;color:var(--text-3);font-weight:600;margin-bottom:10px}
.mega-grid{display:grid;grid-template-columns:1fr 1fr;gap:4px}
.mega-item{
  display:flex;align-items:center;gap:9px;
  padding:9px 10px;border-radius:10px;color:var(--text);font-size:14.5px;
}
.mega-item i{color:var(--brand-500);font-size:15px}
.mega-item:hover{background:var(--brand-100);color:var(--brand-700)}
.mega-list a{display:block;padding:9px 10px;border-radius:10px;color:var(--text);font-size:14.5px}
.mega-list a:hover{background:var(--brand-100);color:var(--brand-700)}
.mega-list time{display:block;font-size:12.5px;color:var(--text-3);margin-top:2px}
.mega-card{
  border:1px solid var(--line);border-radius:14px;overflow:hidden;background:#fff;
  display:flex;flex-direction:column;transition:transform var(--t),box-shadow var(--t),border-color var(--t);
}
.mega-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:var(--brand-500)}
.mega-card img{width:100%;height:112px;object-fit:cover}
.mega-card span{padding:11px 13px;font-size:14.5px;font-weight:600;color:var(--text)}

/* 移动菜单 */
.mobile-nav{
  display:none;background:#fff;border-bottom:1px solid var(--line);
  padding:10px 0 18px;
}
.mobile-nav.is-open{display:block}
.mobile-nav .container{display:flex;flex-direction:column;gap:4px}
.mobile-nav a{
  padding:12px 14px;border-radius:var(--r-btn);color:var(--text);font-size:15.5px;font-weight:500;
}
.mobile-nav a:hover,.mobile-nav a.active{background:var(--brand-100);color:var(--brand-700)}

/* ---------- 通用区块 ---------- */
.section{padding:88px 0}
.section-alt{background:var(--bg-alt)}
.section-white{background:#fff}
.section-head{max-width:820px;margin-bottom:40px}
.section-head.center{margin-left:auto;margin-right:auto;text-align:center}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12.5px;font-weight:600;letter-spacing:.06em;
  color:var(--brand-700);background:var(--brand-100);
  padding:6px 13px;border-radius:var(--r-pill);margin-bottom:16px;
}
.eyebrow i{font-size:11px}
.section-head h2{font-size:clamp(24px,2.6vw,34px);line-height:1.35;font-weight:700;color:var(--text);letter-spacing:.2px}
.section-head p{margin-top:14px;color:var(--text-2);font-size:16.5px;max-width:780px}
.section-head.center p{margin-left:auto;margin-right:auto}

/* 按钮 */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:9px;
  height:46px;padding:0 24px;border-radius:var(--r-btn);
  font-size:15.5px;font-weight:600;border:1px solid transparent;
  transition:transform var(--t),background-color var(--t),box-shadow var(--t),color var(--t),border-color var(--t);
  cursor:pointer;
}
.btn-primary{background:var(--brand-700);color:#fff;box-shadow:var(--sh-1)}
.btn-primary:hover{background:var(--brand-900);color:#fff;transform:translateY(-2px);box-shadow:var(--sh-2)}
.btn-accent{background:var(--accent-500);color:#fff;box-shadow:0 6px 16px rgba(242,107,58,.24)}
.btn-accent:hover{background:var(--accent-600);color:#fff;transform:translateY(-2px);box-shadow:0 12px 26px rgba(242,107,58,.28)}
.btn-ghost{background:#fff;color:var(--brand-700);border-color:var(--line)}
.btn-ghost:hover{background:var(--brand-100);border-color:var(--brand-700);color:var(--brand-900);transform:translateY(-2px)}
.btn:disabled,.btn.disabled{opacity:.45;transform:none;box-shadow:none;cursor:not-allowed}
.btn-sm{height:42px;padding:0 18px;font-size:14.5px}

/* 面包屑 */
.crumbs{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--text-2)}
.crumbs a{color:var(--text-2)}
.crumbs a:hover{color:var(--brand-700)}
.crumbs .sep{color:var(--text-3)}
.crumbs .now{color:var(--text);font-weight:600}

/* ---------- 分类页横幅 ---------- */
.page-hero{
  position:relative;
  background-image:url("/assets/images/backpic/back-2.webp");
  background-size:cover;
  background-position:center;
  padding:52px 0 58px;
  overflow:hidden;
}
.page-hero::before{
  content:"";position:absolute;inset:0;
  background:linear-gradient(100deg,rgba(234,242,251,.94) 0%,rgba(234,242,251,.86) 45%,rgba(242,246,251,.62) 100%);
}
.page-hero .container{position:relative;z-index:2}
.page-hero h1{
  margin-top:18px;
  font-size:clamp(30px,4vw,44px);
  line-height:1.25;font-weight:800;letter-spacing:.4px;color:var(--brand-900);
  max-width:900px;
}
.page-hero .sub{
  margin-top:16px;max-width:720px;
  font-size:16.5px;color:var(--text-2);line-height:1.85;
}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:26px}
.hero-facts{display:flex;flex-wrap:wrap;gap:10px;margin-top:24px}
.fact{
  display:inline-flex;align-items:center;gap:8px;
  background:rgba(255,255,255,.86);border:1px solid var(--line);
  border-radius:var(--r-pill);padding:8px 15px;font-size:13.5px;color:var(--text-2);
}
.fact i{color:var(--brand-500)}

/* 筛选胶囊 */
.chip-row{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:32px}
.chip{
  border:1px solid var(--line);background:#fff;color:var(--text-2);
  border-radius:var(--r-pill);padding:9px 18px;font-size:14px;font-weight:500;
  cursor:pointer;transition:all var(--t);
}
.chip:hover{border-color:var(--brand-500);color:var(--brand-700);background:var(--brand-100)}
.chip.is-active{background:var(--brand-700);border-color:var(--brand-700);color:#fff;box-shadow:var(--sh-1)}

/* 装备网格 */
.gear-grid{display:grid;grid-template-columns:1fr;gap:24px}
.gear-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);
  box-shadow:var(--sh-2);overflow:hidden;display:flex;flex-direction:column;
  transition:transform var(--t),box-shadow var(--t),border-color var(--t);
}
.gear-card:hover{transform:translateY(-4px);box-shadow:var(--sh-3);border-color:var(--brand-500)}
.gear-card .thumb{overflow:hidden;background:var(--brand-100);position:relative}
.gear-card .thumb img{width:100%;height:210px;object-fit:cover;transition:transform .5s ease}
.gear-card:hover .thumb img{transform:scale(1.03)}
.gear-card .body{padding:22px 24px 24px;display:flex;flex-direction:column;gap:12px;flex:1}
.gear-card h3{font-size:20px;font-weight:600;line-height:1.5;color:var(--text)}
.gear-card p{font-size:15px;color:var(--text-2);line-height:1.78}
.gear-card.large .thumb img{height:290px}
.gear-card.large h3{font-size:22px}
.card-foot{margin-top:auto;display:flex;align-items:center;justify-content:space-between;gap:12px;padding-top:6px}
.text-link{font-size:15px;font-weight:600;color:var(--brand-700);display:inline-flex;align-items:center;gap:7px}
.text-link i{font-size:13px;transition:transform var(--t)}
.text-link:hover i{transform:translateX(3px)}
.tag-row{display:flex;flex-wrap:wrap;gap:8px}
.tag{
  display:inline-flex;align-items:center;gap:6px;
  background:var(--brand-100);color:var(--brand-700);
  border-radius:var(--r-pill);padding:5px 12px;font-size:12.5px;font-weight:500;letter-spacing:.02em;
}
.tag.neutral{background:#F2F6FB;color:var(--text-2);border:1px solid var(--line)}
.badge-cat{
  position:absolute;left:14px;top:14px;
  background:rgba(255,255,255,.94);color:var(--brand-700);
  border-radius:var(--r-pill);padding:6px 13px;font-size:12.5px;font-weight:600;
}

/* 选型要点 */
.pick-grid{display:grid;grid-template-columns:1fr;gap:24px}
.pick-item{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-card);
  padding:26px 24px;box-shadow:var(--sh-1);transition:transform var(--t),box-shadow var(--t),border-color var(--t);
}
.pick-item:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:var(--brand-500)}
.pick-item .ico{
  width:46px;height:46px;border-radius:12px;background:var(--brand-100);
  display:inline-flex;align-items:center;justify-content:center;color:var(--brand-700);font-size:19px;
  margin-bottom:16px;
}
.pick-item h3{font-size:19px;font-weight:600;margin-bottom:10px}
.pick-item p{font-size:15px;color:var(--text-2);line-height:1.8}
.pick-item ul{margin-top:12px;display:flex;flex-direction:column;gap:7px}
.pick-item li{font-size:14.5px;color:var(--text-2);padding-left:20px;position:relative}
.pick-item li::before{
  content:"";position:absolute;left:0;top:11px;width:8px;height:8px;border-radius:50%;
  background:var(--accent-100);border:2px solid var(--accent-500);
}

/* 图文行 */
.split{display:grid;grid-template-columns:1fr;gap:32px;align-items:center}
.split .pic{border-radius:var(--r-lg);overflow:hidden;box-shadow:var(--sh-2)}
.split .pic img{width:100%;height:300px;object-fit:cover}
.split h2{font-size:clamp(23px,2.4vw,31px);font-weight:700;line-height:1.38;margin-bottom:16px}
.split p{color:var(--text-2);font-size:16.5px;margin-bottom:14px;max-width:720px}
.spec-table{width:100%;border-collapse:collapse;margin-top:8px;background:#fff}
.spec-table caption{caption-side:top;text-align:left;font-size:13.5px;color:var(--text-3);padding-bottom:10px}
.spec-table th,.spec-table td{padding:14px 16px;font-size:15px;text-align:left;border-bottom:1px solid var(--line)}
.spec-table thead th{background:var(--brand-100);color:var(--brand-900);font-weight:600;font-size:14.5px;border-bottom:1px solid #D5E3F3}
.spec-table tbody tr:last-child td{border-bottom:none}
.spec-table td:first-child{color:var(--text-2);width:34%}

/* 流程 */
.steps{display:grid;grid-template-columns:1fr;gap:20px;counter-reset:step}
.step{
  position:relative;background:#fff;border:1px solid var(--line);border-radius:var(--r-card);
  padding:26px 24px 24px;box-shadow:var(--sh-1);transition:transform var(--t),box-shadow var(--t),border-color var(--t);
}
.step:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:var(--brand-500)}
.step .num{
  display:inline-flex;align-items:center;justify-content:center;
  width:40px;height:40px;border-radius:12px;
  background:var(--brand-900);color:#fff;font-weight:700;font-size:16px;margin-bottom:16px;
}
.step h3{font-size:18.5px;font-weight:600;margin-bottom:10px}
.step p{font-size:14.8px;color:var(--text-2);line-height:1.8}

/* 数据条 */
.stats{
  display:grid;grid-template-columns:1fr 1fr;gap:24px;
  background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);
  padding:34px 26px;box-shadow:var(--sh-1);
}
.stat{text-align:center;padding:6px 4px}
.stat b{display:block;font-size:clamp(34px,4.2vw,44px);font-weight:800;color:var(--accent-500);line-height:1.15}
.stat span{display:block;margin-top:8px;font-size:14px;color:var(--text-2)}

/* FAQ */
.faq-wrap{display:grid;grid-template-columns:1fr;gap:16px}
.faq-item{
  background:#fff;border:1px solid var(--line);border-radius:12px;overflow:hidden;
  transition:border-color var(--t),box-shadow var(--t);
}
.faq-item:hover{border-color:var(--brand-500)}
.faq-item summary{
  list-style:none;cursor:pointer;padding:20px 22px 20px 26px;
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  font-size:17px;font-weight:600;color:var(--text);position:relative;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::before{
  content:"";position:absolute;left:0;top:12px;bottom:12px;width:3px;
  background:var(--accent-500);border-radius:0 3px 3px 0;opacity:0;transition:opacity var(--t);
}
.faq-item[open] summary::before{opacity:1}
.faq-item summary .sign{
  flex:0 0 auto;width:26px;height:26px;border-radius:50%;
  background:var(--brand-100);color:var(--brand-700);
  display:inline-flex;align-items:center;justify-content:center;font-size:14px;
  transition:transform var(--t),background-color var(--t);
}
.faq-item[open] summary .sign{transform:rotate(180deg);background:var(--accent-100);color:var(--accent-600)}
.faq-item .answer{padding:0 22px 22px 26px;font-size:15.5px;color:var(--text-2);line-height:1.85}

/* 表单区 */
.contact-grid{display:grid;grid-template-columns:1fr;gap:28px}
.form-card,.info-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-card);
  box-shadow:var(--sh-2);padding:28px 26px;
}
.form-card h3,.info-card h3{font-size:20px;font-weight:600;margin-bottom:8px}
.form-card .tip,.info-card .tip{font-size:14.5px;color:var(--text-2);margin-bottom:20px}
.field{margin-bottom:16px}
.field label{display:block;font-size:14px;font-weight:600;color:var(--text);margin-bottom:7px}
.field .req{color:var(--err)}
.form-control,.form-select{
  width:100%;height:48px;padding:0 15px;font-size:15.5px;color:var(--text);
  background:#fff;border:1px solid var(--line);border-radius:var(--r-btn);
  transition:border-color var(--t),box-shadow var(--t);
}
textarea.form-control{height:auto;min-height:118px;padding:13px 15px;line-height:1.75;resize:vertical}
.form-control::placeholder{color:var(--text-3)}
.form-control:focus,.form-select:focus{
  outline:none;border-color:var(--brand-700);box-shadow:0 0 0 3px rgba(46,123,196,.18);
}
.check{display:flex;align-items:flex-start;gap:10px;font-size:13.5px;color:var(--text-2);line-height:1.7}
.check input{width:17px;height:17px;margin-top:3px;accent-color:var(--brand-700);flex:0 0 auto}
.info-list{display:flex;flex-direction:column;gap:16px}
.info-list .row-line{display:flex;gap:13px;align-items:flex-start;font-size:15px;color:var(--text-2)}
.info-list i{color:var(--brand-500);font-size:17px;margin-top:4px;flex:0 0 auto}
.info-list strong{display:block;color:var(--text);font-size:15px;font-weight:600;margin-bottom:2px}
.mini-cta{
  margin-top:22px;background:var(--brand-100);border-radius:12px;padding:18px 18px;
  display:flex;flex-direction:column;gap:12px;
}
.mini-cta p{font-size:14.5px;color:var(--brand-900);line-height:1.75}

/* CTA 条 */
.cta-bar{
  background:var(--brand-100);
  border-top:1px solid #D9E7F6;
  border-bottom:1px solid #D9E7F6;
  padding:34px 0;
}
.cta-inner{display:flex;flex-direction:column;gap:18px;align-items:flex-start;justify-content:space-between}
.cta-inner h2{font-size:clamp(20px,2.2vw,26px);font-weight:700;color:var(--brand-900);line-height:1.4}
.cta-inner p{margin-top:8px;font-size:15px;color:var(--text-2)}

/* 页脚 */
.site-footer{background:#fff;border-top:1px solid var(--line);padding:62px 0 0;margin-top:0}
.foot-grid{display:grid;grid-template-columns:1fr;gap:34px}
.foot-brand .brand{margin-bottom:16px}
.foot-brand p{font-size:14.5px;color:var(--text-2);line-height:1.85;max-width:360px}
.foot-col h4{font-size:15px;font-weight:700;color:var(--text);margin-bottom:16px}
.foot-col a{display:block;font-size:14.5px;color:var(--text-2);padding:5px 0}
.foot-col a:hover{color:var(--brand-700)}
.foot-col .line{display:flex;gap:10px;align-items:flex-start;font-size:14.5px;color:var(--text-2);padding:5px 0}
.foot-col .line i{color:var(--brand-500);margin-top:5px;flex:0 0 auto}
.foot-bottom{
  margin-top:44px;border-top:1px solid var(--line);
  padding:20px 0 26px;display:flex;flex-wrap:wrap;gap:10px;
  justify-content:space-between;font-size:13px;color:var(--text-3);
}
.foot-bottom a{color:var(--text-3)}
.foot-bottom a:hover{color:var(--brand-700)}

/* 空态 */
.empty{
  text-align:center;padding:44px 20px;color:var(--text-2);
  background:#fff;border:1px dashed var(--line);border-radius:var(--r-card);
}
.empty i{font-size:38px;color:var(--brand-500);display:block;margin-bottom:14px}
.empty p{font-size:14.5px}

@media (min-width:576px){
  .stats{grid-template-columns:repeat(4,1fr);gap:0}
  .stat + .stat{border-left:1px solid var(--line)}
  .gear-grid{grid-template-columns:repeat(2,1fr)}
  .cta-inner{flex-direction:row;align-items:center}
}
@media (min-width:768px){
  .faq-wrap{grid-template-columns:repeat(2,1fr);gap:18px}
  .pick-grid{grid-template-columns:repeat(3,1fr)}
  .steps{grid-template-columns:repeat(2,1fr)}
  .contact-grid{grid-template-columns:1.15fr .85fr}
  .split{grid-template-columns:1.05fr .95fr;gap:44px}
  .split.reverse .pic{order:2}
  .foot-grid{grid-template-columns:1.3fr 1fr 1fr 1.2fr;gap:28px}
  .page-hero{padding:64px 0 70px}
}
@media (min-width:992px){
  .nav-main{display:flex}
  .mega{display:block}
  .nav-toggle{display:none}
  .gear-grid{grid-template-columns:repeat(6,1fr)}
  .gear-card.large{grid-column:span 3}
  .gear-card.small{grid-column:span 2}
  .steps{grid-template-columns:repeat(4,1fr)}
  .section{padding:96px 0}
}
@media (max-width:991.98px){
  .nav-main{display:none}
  .mobile-nav a:last-child{margin-bottom:4px}
  .header-actions .btn{display:none}
}
@media (max-width:575.98px){
  body{font-size:16px}
  .container{padding:0 16px}
  .section{padding:56px 0}
  .page-hero{padding:40px 0 44px}
  .gear-card .thumb img,.gear-card.large .thumb img{height:200px}
  .hero-actions .btn{width:100%}
  .split .pic img{height:220px}
  .form-card,.info-card{padding:22px 18px}
  .spec-table th,.spec-table td{padding:12px 10px;font-size:14px}
}
@media (prefers-reduced-motion:reduce){
  *{transition:none !important;animation:none !important;scroll-behavior:auto !important}
}

/* roulang page: category5 */
:root{
  --brand-900:#0E3B69;
  --brand-700:#14538F;
  --brand-500:#2E7BC4;
  --brand-100:#EAF2FB;
  --accent-600:#E85D2A;
  --accent-500:#F26B3A;
  --accent-100:#FDEDE6;
  --bg:#F6F8FB;
  --bg-alt:#F2F6FB;
  --card:#FFFFFF;
  --line:#E4EAF1;
  --text:#1F2A37;
  --text-2:#556576;
  --text-3:#98A6B5;
  --ok:#1F9D6B;
  --warn:#C7860B;
  --err:#C0392B;
  --r-card:14px;
  --r-lg:20px;
  --r-btn:10px;
  --r-pill:999px;
  --sh-1:0 1px 2px rgba(16,42,67,.06);
  --sh-2:0 8px 24px rgba(16,42,67,.08);
  --sh-3:0 18px 44px rgba(16,42,67,.12);
  --t:.22s ease;
  --font:"Noto Sans SC","PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",Roboto,Arial,sans-serif;

  --bs-primary:var(--brand-700);
  --bs-primary-rgb:20,83,143;
  --bs-body-bg:#F6F8FB;
  --bs-body-color:#1F2A37;
  --bs-body-font-family:var(--font);
  --bs-font-sans-serif:var(--font);
  --bs-border-radius:10px;
  --bs-link-color:var(--brand-700);
  --bs-link-hover-color:var(--accent-600);
}

*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:var(--font);
  font-size:16px;
  line-height:1.85;
  color:var(--text);
  background:var(--bg);
  font-variant-numeric:tabular-nums;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;height:auto;display:block}
a{color:inherit;text-decoration:none;transition:color var(--t),background-color var(--t),border-color var(--t),transform var(--t),box-shadow var(--t)}
h1,h2,h3,h4,p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
button{font-family:inherit}
:focus-visible{outline:2px solid var(--brand-700);outline-offset:2px;border-radius:4px}

.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}

/* ============ 导航 ============ */
.site-header{
  position:sticky;top:0;z-index:1030;
  background:rgba(255,255,255,.97);
  border-bottom:1px solid var(--line);
  transition:box-shadow var(--t);
}
.site-header.scrolled{box-shadow:var(--sh-2)}
.header-inner{display:flex;align-items:center;gap:20px;height:80px;transition:height var(--t)}
.site-header.scrolled .header-inner{height:64px}

.brand{display:flex;align-items:center;gap:11px;flex:0 0 auto}
.brand-mark{
  position:relative;width:40px;height:40px;flex:0 0 auto;border-radius:13px;
  background:linear-gradient(135deg,var(--brand-700),var(--brand-500));
  overflow:hidden;box-shadow:var(--sh-1);
}
.brand-mark::before{
  content:"";position:absolute;inset:10px 8px;
  border:2px solid rgba(255,255,255,.92);
  border-left-color:transparent;border-right-color:transparent;
  border-radius:50%;transform:rotate(-16deg);
}
.brand-mark::after{
  content:"";position:absolute;left:6px;right:6px;top:50%;height:2px;
  background:rgba(255,255,255,.85);border-radius:2px;transform:translateY(-50%) rotate(-16deg);
}
.brand-text strong{display:block;font-size:18px;font-weight:800;color:var(--brand-900);line-height:1.2;letter-spacing:.01em}
.brand-text em{display:block;font-style:normal;font-size:10.5px;font-weight:600;color:var(--text-3);letter-spacing:.16em;text-transform:uppercase}

.nav-main{display:flex;align-items:center;gap:2px;margin-left:6px}
.nav-link{
  position:relative;padding:10px 13px;font-size:15px;color:var(--text-2);
  border-radius:8px;white-space:nowrap;
}
.nav-link:hover{color:var(--brand-700);background:var(--brand-100)}
.nav-link.active{color:var(--brand-700);font-weight:600}
.nav-link.active::after{
  content:"";position:absolute;left:13px;right:13px;bottom:3px;height:2px;
  border-radius:2px;background:var(--brand-700);
}

.header-right{margin-left:auto;display:flex;align-items:center;gap:12px}

.mega-drop{position:relative}
.mega-toggle{
  display:inline-flex;align-items:center;gap:8px;height:40px;padding:0 16px;
  border-radius:var(--r-btn);border:1px solid var(--line);background:#fff;
  color:var(--brand-900);font-size:14px;font-weight:600;cursor:pointer;transition:var(--t);
}
.mega-toggle:hover{border-color:var(--brand-500);background:var(--brand-100);color:var(--brand-700)}
.mega-toggle::after{margin-left:2px}

.mega-panel{
  position:absolute;top:calc(100% + 14px);right:0;left:auto;
  width:740px;margin:0;padding:24px;display:block;
  background:#fff;border:1px solid var(--line);border-radius:16px;
  box-shadow:var(--sh-3);
  opacity:0;visibility:hidden;transform:translateY(10px);
  transition:opacity var(--t),transform var(--t),visibility var(--t);
  z-index:1040;
}
.mega-drop:hover .mega-panel,
.mega-panel.show{opacity:1;visibility:visible;transform:translateY(0)}
.mega-grid{display:grid;grid-template-columns:1.05fr 1fr 1fr;gap:20px}
.mega-col h4{
  font-size:12.5px;font-weight:600;letter-spacing:.08em;color:var(--text-3);
  margin-bottom:12px;text-transform:none;
}
.mega-item{
  display:flex;align-items:center;gap:10px;padding:9px 10px;border-radius:9px;
  font-size:14.5px;color:var(--text-2);
}
.mega-item:hover{background:var(--brand-100);color:var(--brand-700)}
.mi-ico{
  width:28px;height:28px;flex:0 0 auto;border-radius:8px;display:grid;place-items:center;
  background:var(--brand-100);color:var(--brand-700);font-size:12px;
}
.mega-news{display:flex;justify-content:space-between;gap:10px;padding:9px 10px;border-radius:9px;font-size:14px;color:var(--text-2)}
.mega-news:hover{background:var(--brand-100);color:var(--brand-700)}
.mega-news span{color:var(--text-3);font-size:12.5px;flex:0 0 auto}
.mega-card{display:block;border:1px solid var(--line);border-radius:12px;overflow:hidden;background:#fff;transition:var(--t)}
.mega-card img{width:100%;height:78px;object-fit:cover}
.mega-card span{display:block;padding:11px 12px;font-size:13.5px;font-weight:600;color:var(--brand-900);line-height:1.5}
.mega-card:hover{border-color:var(--brand-500);box-shadow:var(--sh-2);transform:translateY(-2px)}

.nav-toggle{
  display:none;align-items:center;justify-content:center;
  width:42px;height:42px;border-radius:var(--r-btn);border:1px solid var(--line);
  background:#fff;color:var(--brand-900);font-size:16px;cursor:pointer;transition:var(--t);
}
.nav-toggle:hover{background:var(--brand-100);border-color:var(--brand-500);color:var(--brand-700)}

.mobile-panel{display:none;border-top:1px solid var(--line);background:#fff;padding:10px 24px 20px}
.mobile-panel.open{display:block}
.mobile-panel .m-link{
  display:block;padding:12px 4px;font-size:15.5px;color:var(--text-2);
  border-bottom:1px solid var(--line);
}
.mobile-panel .m-link:last-of-type{border-bottom:0}
.mobile-panel .m-link.active{color:var(--brand-700);font-weight:600}
.mobile-panel .m-note{padding:14px 4px 0;font-size:13px;color:var(--text-3)}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:46px;padding:0 24px;border-radius:var(--r-btn);
  font-size:15px;font-weight:600;line-height:1;border:1px solid transparent;
  cursor:pointer;transition:var(--t);text-align:center;
}
.btn-primary{background:var(--brand-700);color:#fff;box-shadow:var(--sh-1)}
.btn-primary:hover{background:var(--brand-900);color:#fff;transform:translateY(-2px);box-shadow:var(--sh-2)}
.btn-primary:active{transform:translateY(0)}
.btn-outline{background:#fff;color:var(--brand-900);border-color:var(--line)}
.btn-outline:hover{border-color:var(--brand-700);background:var(--brand-100);color:var(--brand-700);transform:translateY(-2px)}
.btn-accent{background:var(--accent-500);color:#fff}
.btn-accent:hover{background:var(--accent-600);color:#fff;transform:translateY(-2px);box-shadow:0 10px 26px rgba(232,93,42,.26)}
.btn-accent:active{transform:translateY(0)}
.btn:disabled,.btn.disabled{opacity:.45;transform:none;box-shadow:none;cursor:not-allowed}
.btn-header{height:42px;padding:0 20px;font-size:14.5px}
.btn-lg{height:50px;padding:0 28px;font-size:16px}

/* ============ 通用区块 ============ */
.section{padding:96px 0}
.section.alt{background:var(--bg-alt)}
.section.white{background:#fff}
.section.tight{padding:72px 0}
.section-head{max-width:780px;margin-bottom:46px}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12.5px;font-weight:600;letter-spacing:.06em;
  color:var(--brand-700);background:var(--brand-100);
  border-radius:var(--r-pill);padding:6px 14px;margin-bottom:16px;
}
.section-head h2{
  font-size:clamp(24px,2.6vw,34px);line-height:1.35;font-weight:700;
  color:var(--brand-900);letter-spacing:-.01em;
}
.section-head .lead{margin-top:14px;font-size:16.5px;color:var(--text-2);max-width:720px}
.tag{
  display:inline-flex;align-items:center;
  font-size:12.5px;font-weight:500;letter-spacing:.02em;
  padding:5px 12px;border-radius:var(--r-pill);
  background:var(--brand-100);color:var(--brand-700);
}
.tag.gray{background:#EEF3F8;color:var(--text-2)}

/* ============ 面包屑 ============ */
.breadcrumb-line{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--text-2);flex-wrap:wrap}
.breadcrumb-line a{color:var(--text-2)}
.breadcrumb-line a:hover{color:var(--brand-700)}
.breadcrumb-line .sep{color:var(--text-3)}
.breadcrumb-line .current{color:var(--text);font-weight:600}

/* ============ 分类 Hero ============ */
.hero-cat{
  position:relative;overflow:hidden;
  padding:44px 0 76px;
  background-color:var(--bg-alt);
  background-image:
    linear-gradient(105deg,rgba(246,248,251,.96) 0%,rgba(242,246,251,.88) 46%,rgba(234,242,251,.52) 100%),
    url('/assets/images/backpic/back-2.webp');
  background-size:cover;
  background-position:center right;
  background-repeat:no-repeat;
}
.hero-cat::before{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:repeating-linear-gradient(115deg,rgba(46,123,196,.055) 0 1px,transparent 1px 42px);
  opacity:.9;
}
.hero-cat .container{position:relative;z-index:1}
.hero-grid{display:grid;grid-template-columns:1.12fr .88fr;gap:52px;align-items:start;margin-top:26px}
.hero-cat h1{
  font-size:clamp(30px,4vw,46px);line-height:1.25;font-weight:800;
  color:var(--brand-900);letter-spacing:-.015em;margin-top:18px;
}
.hero-sub{margin-top:20px;font-size:17px;color:var(--text-2);max-width:640px}
.hero-actions{margin-top:30px;display:flex;gap:14px;flex-wrap:wrap}
.hero-trust{margin-top:34px;display:flex;gap:26px;flex-wrap:wrap}
.hero-trust .item{display:flex;align-items:center;gap:9px;font-size:13.5px;color:var(--text-2)}
.hero-trust .item i{color:var(--brand-500);font-size:15px}

.hero-form{
  background:#fff;border:1px solid var(--line);border-radius:18px;
  padding:28px;box-shadow:var(--sh-3);
}
.hero-form h3{font-size:19px;font-weight:700;color:var(--brand-900);margin-bottom:6px}
.hero-form .hint{font-size:13.5px;color:var(--text-3);margin-bottom:20px}

/* ============ 表单 ============ */
.field{margin-bottom:16px}
.field label{display:block;font-size:13.5px;font-weight:600;color:var(--text-2);margin-bottom:8px}
.input,.select,.textarea{
  width:100%;height:46px;padding:0 14px;font-size:15px;color:var(--text);
  background:#fff;border:1px solid var(--line);border-radius:var(--r-btn);
  transition:border-color var(--t),box-shadow var(--t);font-family:inherit;
}
.textarea{height:118px;padding:12px 14px;line-height:1.75;resize:vertical}
.select{appearance:none;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16' fill='%23556576'%3E%3Cpath d='M4.5 6l3.5 3.5L11.5 6z'/%3E%3C/svg%3E");background-repeat:no-repeat;background-position:right 14px center;background-size:16px;padding-right:40px}
.input:focus,.select:focus,.textarea:focus{outline:none;border-color:var(--brand-700);box-shadow:0 0 0 3px rgba(46,123,196,.18)}
.input.is-error,.select.is-error,.textarea.is-error{border-color:var(--err);box-shadow:0 0 0 3px rgba(192,57,43,.12)}
.input:disabled,.select:disabled,.textarea:disabled{background:#F2F6FB;color:var(--text-3);cursor:not-allowed}
.err-text{display:block;margin-top:6px;font-size:13px;color:var(--err)}
.check-line{display:flex;align-items:flex-start;gap:10px;font-size:13.5px;color:var(--text-2)}
.check-line input{width:17px;height:17px;margin-top:4px;flex:0 0 auto;accent-color:var(--brand-700)}
.check-line a{color:var(--brand-700);text-decoration:underline;text-underline-offset:3px}
.form-tip{display:none;margin-top:14px;font-size:13.5px;color:var(--ok);background:#EDF8F3;border:1px solid #CBEADB;border-radius:10px;padding:10px 14px}
.form-tip.show{display:block}

/* ============ 图文行 ============ */
.split{display:grid;grid-template-columns:1fr 1fr;gap:58px;align-items:center}
.split-media{border-radius:var(--r-lg);overflow:hidden;box-shadow:var(--sh-2);border:1px solid var(--line)}
.split-media img{width:100%;aspect-ratio:4/3;object-fit:cover;transition:transform .5s ease}
.split-media:hover img{transform:scale(1.03)}
.feature-list{margin-top:26px;display:grid;gap:18px}
.feature-list li{display:flex;gap:14px;align-items:flex-start}
.feature-list .fi{
  width:34px;height:34px;flex:0 0 auto;border-radius:10px;display:grid;place-items:center;
  background:var(--brand-100);color:var(--brand-700);font-size:14px;
}
.feature-list h3{font-size:16.5px;font-weight:600;color:var(--brand-900);margin-bottom:4px}
.feature-list p{font-size:14.5px;color:var(--text-2);line-height:1.75}

/* ============ 流程步骤 ============ */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.step{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-card);
  padding:28px 24px;box-shadow:var(--sh-1);transition:var(--t);position:relative;
}
.step:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:var(--brand-500)}
.step-num{font-size:26px;font-weight:800;color:var(--accent-500);letter-spacing:-.02em;line-height:1}
.step h3{font-size:18px;font-weight:600;color:var(--brand-900);margin:12px 0 8px}
.step p{font-size:14.5px;color:var(--text-2);line-height:1.75}

/* ============ 方案横长卡 ============ */
.plan-list{display:grid;gap:24px}
.plan-card{
  display:grid;grid-template-columns:92px 1fr auto;gap:28px;align-items:center;
  background:#fff;border:1px solid var(--line);border-radius:var(--r-card);
  padding:30px 34px;box-shadow:var(--sh-2);transition:var(--t);
}
.plan-card:hover{transform:translateY(-4px);border-color:var(--brand-500);box-shadow:var(--sh-3)}
.plan-icon{
  width:76px;height:76px;border-radius:16px;display:grid;place-items:center;
  background:var(--brand-100);color:var(--brand-700);font-size:26px;
}
.plan-card.accent .plan-icon{background:var(--accent-100);color:var(--accent-600)}
.plan-body h3{font-size:20px;font-weight:700;color:var(--brand-900);margin-bottom:10px}
.plan-body p{font-size:15px;color:var(--text-2);max-width:660px}
.plan-meta{display:flex;gap:10px;flex-wrap:wrap;margin-top:16px}
.plan-link{
  display:inline-flex;align-items:center;gap:8px;font-size:15px;font-weight:600;
  color:var(--brand-700);white-space:nowrap;
}
.plan-link:hover{color:var(--accent-600);gap:12px}

/* ============ 数据条 ============ */
.metrics{
  display:grid;grid-template-columns:1.2fr 1fr 1fr 1.2fr;
  background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);
  box-shadow:var(--sh-1);overflow:hidden;
}
.metric{padding:34px 26px;text-align:center;border-right:1px solid var(--line)}
.metric:last-child{border-right:0}
.metric b{
  display:block;font-size:clamp(34px,3.4vw,44px);font-weight:800;
  color:var(--accent-500);line-height:1.1;letter-spacing:-.02em;
}
.metric span{display:block;margin-top:10px;font-size:14px;color:var(--text-2)}

/* ============ 联系区 ============ */
.contact-grid{display:grid;grid-template-columns:1.35fr .95fr;gap:32px;align-items:start}
.form-panel{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);
  padding:34px;box-shadow:var(--sh-2);
}
.form-panel h3{font-size:21px;font-weight:700;color:var(--brand-900);margin-bottom:6px}
.form-panel .sub{font-size:14.5px;color:var(--text-2);margin-bottom:24px}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.form-actions{margin-top:8px;display:flex;align-items:center;gap:16px;flex-wrap:wrap}
.form-actions .note{font-size:13px;color:var(--text-3)}

.info-card{
  background:var(--brand-100);border:1px solid #D6E6F7;border-radius:var(--r-lg);
  padding:30px;box-shadow:var(--sh-1);
}
.info-card h3{font-size:18px;font-weight:700;color:var(--brand-900);margin-bottom:18px}
.info-line{display:flex;gap:12px;align-items:flex-start;padding:10px 0;font-size:14.5px;color:var(--text-2)}
.info-line i{color:var(--brand-700);font-size:15px;margin-top:5px}
.info-map{margin-top:22px;border-radius:12px;overflow:hidden;border:1px solid #D6E6F7;background:#fff}
.info-map img{width:100%;height:150px;object-fit:cover}

/* ============ FAQ ============ */
.faq-acc{display:grid;grid-template-columns:1fr 1fr;gap:20px}
.faq-acc .accordion-item{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-card);overflow:hidden;
  box-shadow:var(--sh-1);transition:var(--t);
}
.faq-acc .accordion-item:hover{box-shadow:var(--sh-2)}
.faq-acc .accordion-button{
  position:relative;font-size:17px;font-weight:600;color:var(--brand-900);
  background:#fff;padding:20px 22px;line-height:1.55;box-shadow:none;border:0;
}
.faq-acc .accordion-button::before{
  content:"";position:absolute;left:0;top:0;bottom:0;width:3px;
  background:transparent;transition:background var(--t);
}
.faq-acc .accordion-button:not(.collapsed){color:var(--brand-700);background:#fff;box-shadow:none}
.faq-acc .accordion-button:not(.collapsed)::before{background:var(--accent-500)}
.faq-acc .accordion-button:focus{box-shadow:none;outline:none}
.faq-acc .accordion-button:focus-visible{outline:2px solid var(--brand-700);outline-offset:-2px}
.faq-acc .accordion-button::after{
  flex:0 0 auto;width:22px;height:22px;margin-left:auto;
  background-image:none;content:"+";
  display:grid;place-items:center;line-height:1;
  font-size:20px;font-weight:500;color:var(--brand-700);
  transition:transform var(--t),color var(--t);
}
.faq-acc .accordion-button:not(.collapsed)::after{content:"−";color:var(--accent-600);transform:rotate(180deg)}
.faq-acc .accordion-body{padding:0 22px 22px;font-size:15px;color:var(--text-2);line-height:1.85}

/* ============ CTA 条 ============ */
.cta-bar{
  background:var(--brand-100);border:1px solid #D6E6F7;border-radius:var(--r-lg);
  padding:36px 42px;display:flex;align-items:center;justify-content:space-between;
  gap:26px;flex-wrap:wrap;box-shadow:var(--sh-1);
}
.cta-bar h2{font-size:clamp(20px,2vw,26px);font-weight:700;color:var(--brand-900);line-height:1.45;max-width:680px}
.cta-bar p{margin-top:8px;font-size:14.5px;color:var(--text-2)}

/* ============ 页脚 ============ */
.site-footer{background:#fff;border-top:1px solid var(--line);padding:66px 0 26px}
.foot-grid{display:grid;grid-template-columns:1.45fr 1fr 1fr 1.3fr;gap:34px}
.foot-brand p{margin-top:18px;font-size:14.5px;color:var(--text-2);max-width:340px;line-height:1.8}
.foot-col h4{font-size:15px;font-weight:700;color:var(--brand-900);margin-bottom:14px}
.foot-col a{display:block;font-size:14.5px;color:var(--text-2);padding:6px 0}
.foot-col a:hover{color:var(--brand-700)}
.foot-col .line{display:flex;gap:10px;align-items:flex-start;font-size:14.5px;color:var(--text-2);padding:6px 0}
.foot-col .line i{color:var(--brand-500);font-size:14px;margin-top:6px}
.foot-bottom{
  border-top:1px solid var(--line);margin-top:44px;padding-top:20px;
  display:flex;justify-content:space-between;gap:14px;flex-wrap:wrap;
  font-size:13px;color:var(--text-3);
}
.foot-bottom a{color:var(--text-3)}
.foot-bottom a:hover{color:var(--brand-700)}

/* ============ 响应式 ============ */
@media (max-width:1399px){
  .mega-panel{width:700px}
}
@media (max-width:1199px){
  .container{padding:0 22px}
  .nav-link{padding:10px 11px;font-size:14.5px}
  .mega-panel{width:620px}
  .mega-grid{grid-template-columns:1fr 1fr}
  .mega-col.mega-col-card{grid-column:1 / -1}
}
@media (max-width:991px){
  .nav-main{display:none}
  .mega-drop{display:none}
  .nav-toggle{display:inline-flex}
  .header-inner{height:72px;gap:14px}
  .hero-cat{padding:34px 0 64px}
  .hero-grid{grid-template-columns:1fr;gap:38px}
  .section{padding:72px 0}
  .section.tight{padding:58px 0}
  .split{grid-template-columns:1fr;gap:34px}
  .steps{grid-template-columns:1fr 1fr}
  .metrics{grid-template-columns:1fr 1fr}
  .metric{border-right:0;border-bottom:1px solid var(--line)}
  .metric:nth-child(odd){border-right:1px solid var(--line)}
  .metric:nth-last-child(-n+2){border-bottom:0}
  .contact-grid{grid-template-columns:1fr}
  .faq-acc{grid-template-columns:1fr}
  .foot-grid{grid-template-columns:1fr 1fr;gap:28px}
  .plan-card{grid-template-columns:80px 1fr;gap:22px}
  .plan-link{grid-column:2;justify-self:start}
}
@media (max-width:767px){
  .container{padding:0 16px}
  .section{padding:56px 0}
  .section-head{margin-bottom:34px}
  .hero-cat h1{margin-top:14px}
  .hero-sub{font-size:16px}
  .hero-actions .btn{flex:1 1 46%}
  .hero-trust{gap:16px;flex-direction:column;align-items:flex-start}
  .hero-form{padding:22px}
  .plan-card{grid-template-columns:1fr;padding:24px;gap:16px}
  .plan-link{grid-column:1}
  .steps{grid-template-columns:1fr}
  .metrics{grid-template-columns:1fr}
  .metric{border-right:0!important;border-bottom:1px solid var(--line)}
  .metric:last-child{border-bottom:0}
  .form-row{grid-template-columns:1fr}
  .form-panel{padding:24px}
  .cta-bar{padding:26px 24px}
  .cta-bar .btn{width:100%}
  .foot-grid{grid-template-columns:1fr;gap:24px}
  .foot-bottom{flex-direction:column;gap:8px}
  .btn-header{display:none}
}
@media (max-width:575px){
  .brand-text strong{font-size:16.5px}
  .hero-actions .btn{flex:1 1 100%}
  .form-actions .btn{width:100%}
  .metric{padding:26px 18px}
}
@media (max-width:420px){
  .brand-text em{display:none}
}

@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{transition-duration:.01ms!important;animation-duration:.01ms!important}
  html{scroll-behavior:auto}
}