/* roulang page: index */
:root{
  --c-main:#D9451F;
  --c-main-dark:#B33514;
  --c-deep:#0F3F3A;
  --c-deep-2:#0B2A26;
  --c-accent:#FFD24A;
  --c-bg:#F6F4EF;
  --c-surface:#FFFFFF;
  --c-line:#E4DFD5;
  --c-text:#1C1F1E;
  --c-text-2:#5C6661;
  --c-text-3:#8A938E;
  --r-card:14px;
  --r-btn:10px;
  --r-img:12px;
  --r-block:20px;
  --sh-1:0 1px 2px rgba(11,42,38,.06);
  --sh-2:0 14px 30px -14px rgba(11,42,38,.22);
  --tr:.22s cubic-bezier(.2,.7,.3,1);
  --bs-primary:#D9451F;
  --bs-primary-rgb:217,69,31;
  --bs-body-bg:#F6F4EF;
  --bs-body-color:#1C1F1E;
  --bs-border-color:#E4DFD5;
  --bs-border-radius:10px;
  --bs-font-sans-serif:"Noto Sans SC","HarmonyOS Sans","PingFang SC","Microsoft YaHei",system-ui,sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  background:var(--c-bg);
  color:var(--c-text);
  font-family:var(--bs-font-sans-serif);
  font-size:16px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none;transition:color var(--tr)}
a:hover{color:var(--c-main)}
h1,h2,h3,h4{font-weight:700;letter-spacing:-.02em;color:var(--c-text);margin:0}
h1{font-size:clamp(30px,4.6vw,52px);line-height:1.18;font-weight:800}
h2{font-size:clamp(24px,3vw,34px);line-height:1.3}
h3{font-size:21px;line-height:1.4}
p{margin:0}
ul{margin:0;padding:0;list-style:none}
button,input{font-family:inherit}
a:focus-visible,button:focus-visible,input:focus-visible{outline:2px solid var(--c-main);outline-offset:2px}
.container{width:100%;max-width:1200px;margin:0 auto;padding-left:24px;padding-right:24px}
.section{padding:96px 0}
.sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:40px}
.sec-tag{display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:700;letter-spacing:.06em;color:var(--c-main);text-transform:uppercase;margin-bottom:10px}
.sec-tag::before{content:"";width:16px;height:2px;background:var(--c-main);border-radius:2px}
.sec-head h2::before{content:"";display:inline-block;width:4px;height:22px;background:var(--c-main);border-radius:2px;margin-right:12px;vertical-align:-3px}
.sec-head p{color:var(--c-text-2);font-size:15px;margin-top:8px;max-width:620px}
.link-more{display:inline-flex;align-items:center;gap:6px;font-weight:700;font-size:15px;color:var(--c-deep);white-space:nowrap}
.link-more:hover{color:var(--c-main)}

/* 按钮 */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;height:46px;padding:0 22px;border-radius:var(--r-btn);font-size:15px;font-weight:700;border:1px solid transparent;transition:var(--tr);min-height:44px}
.btn-main{background:var(--c-main);border-color:var(--c-main);color:#fff}
.btn-main:hover{background:#e1501f;border-color:#e1501f;color:#fff;transform:translateY(-1px);box-shadow:0 12px 22px -12px rgba(217,69,31,.6)}
.btn-main:active{background:var(--c-main-dark);border-color:var(--c-main-dark);transform:none}
.btn-ghost{background:transparent;border-color:var(--c-line);color:var(--c-deep)}
.btn-ghost:hover{border-color:var(--c-main);color:var(--c-main);background:rgba(217,69,31,.08);transform:translateY(-1px)}
.btn-sm{height:36px;padding:0 14px;font-size:13px;min-height:36px}
.btn-lg{height:52px;padding:0 28px;font-size:16px}

/* 徽章 / 标签 */
.chip{display:inline-flex;align-items:center;height:26px;padding:0 12px;border-radius:999px;font-size:12.5px;font-weight:700;letter-spacing:.02em}
.chip-accent{background:var(--c-accent);color:#3A2A00}
.chip-soft{background:rgba(217,69,31,.1);color:var(--c-main)}
.chip-line{border:1px solid var(--c-line);color:var(--c-text-2);background:#fff}
.num{font-variant-numeric:tabular-nums}

/* 顶部导航 */
.site-header{position:sticky;top:0;z-index:1030;background:rgba(255,255,255,.94);backdrop-filter:blur(10px);border-bottom:1px solid var(--c-line);transition:var(--tr)}
.site-header.is-scrolled{box-shadow:0 6px 20px -14px rgba(11,42,38,.35)}
.nav-wrap{display:flex;align-items:center;gap:24px;height:64px;transition:var(--tr)}
.site-header.is-scrolled .nav-wrap{height:56px}
.brand{display:inline-flex;align-items:center;gap:10px;font-weight:800;font-size:17px;letter-spacing:-.01em;color:var(--c-deep);white-space:nowrap}
.brand:hover{color:var(--c-deep)}
.brand-mark{width:34px;height:34px;display:grid;place-items:center;color:var(--c-main);flex:0 0 auto}
.brand-mark svg{width:32px;height:32px}
.main-nav{display:flex;align-items:center;gap:4px;margin-left:8px}
.main-nav .nav-link{padding:8px 12px;border-radius:8px;font-size:15px;color:var(--c-text-2);font-weight:500;position:relative}
.main-nav .nav-link:hover{color:var(--c-main);background:rgba(217,69,31,.06)}
.main-nav .nav-link.active{color:var(--c-text);font-weight:700}
.main-nav .nav-link.active::after{content:"";position:absolute;left:12px;right:12px;bottom:2px;height:2px;background:var(--c-main);border-radius:2px}
.nav-right{display:flex;align-items:center;gap:12px;margin-left:auto}
.nav-search{display:flex;align-items:center;gap:8px;height:40px;padding:0 14px;background:#f2efe8;border:1px solid transparent;border-radius:999px;transition:var(--tr)}
.nav-search:focus-within{background:#fff;border-color:var(--c-main);box-shadow:0 0 0 3px rgba(217,69,31,.12)}
.nav-search i{color:var(--c-text-3);font-size:16px}
.nav-search input{width:180px;border:0;background:transparent;outline:none;font-size:14px;color:var(--c-text)}
.nav-search input::placeholder{color:var(--c-text-3)}
.nav-login{font-size:15px;font-weight:600;color:var(--c-text-2);padding:6px 4px}
.nav-burger{width:44px;height:44px;display:grid;place-items:center;border:1px solid var(--c-line);background:#fff;border-radius:10px;font-size:20px;color:var(--c-deep)}
.offcanvas{max-width:82vw}
.offcanvas-header{border-bottom:1px solid var(--c-line)}
.mobile-nav{display:flex;flex-direction:column;gap:2px;padding:16px 0}
.mobile-nav a{padding:12px 4px;font-size:16px;font-weight:600;color:var(--c-text-2);border-bottom:1px solid var(--c-line)}
.mobile-nav a.active{color:var(--c-main)}
.mobile-search{display:flex;align-items:center;gap:8px;height:44px;padding:0 14px;background:#f2efe8;border-radius:10px;margin:16px 0 4px}
.mobile-search input{border:0;background:transparent;outline:none;width:100%;font-size:15px}

/* Hero */
.hero{position:relative;overflow:hidden;background:var(--c-bg);padding:64px 0 88px}
.hero::before{content:"";position:absolute;inset:0;background-image:repeating-linear-gradient(90deg,rgba(15,63,58,.035) 0 2px,transparent 2px 26px);pointer-events:none}
.hero-deco{position:absolute;right:-120px;top:-80px;width:520px;height:520px;border:1px solid rgba(217,69,31,.16);border-radius:50%;pointer-events:none}
.hero-grid{position:relative;display:grid;grid-template-columns:7fr 5fr;gap:56px;align-items:center}
.hero-eyebrow{display:inline-flex;align-items:center;gap:10px;font-size:13.5px;font-weight:700;color:var(--c-deep);background:#fff;border:1px solid var(--c-line);border-radius:999px;padding:6px 14px;margin-bottom:20px}
.hero-eyebrow i{color:var(--c-main)}
.hero h1{max-width:16em}
.hero h1 em{font-style:normal;color:var(--c-main)}
.hero-sub{margin-top:20px;font-size:17px;line-height:1.8;color:var(--c-text-2);max-width:32em}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:32px}
.hero-stats{display:flex;flex-wrap:wrap;align-items:center;gap:0;margin-top:38px}
.hero-stat{padding-right:24px;margin-right:24px;border-right:1px solid var(--c-line)}
.hero-stat:last-child{border-right:0;padding-right:0;margin-right:0}
.hero-stat b{display:block;font-size:24px;font-weight:800;color:var(--c-deep);font-variant-numeric:tabular-nums;letter-spacing:-.02em}
.hero-stat span{font-size:13px;color:var(--c-text-3)}
.hero-visual{position:relative}
.hero-img{position:relative;border-radius:var(--r-block);overflow:hidden;box-shadow:var(--sh-2);aspect-ratio:4/3;background:rgba(15,63,58,.06)}
.hero-img img{width:100%;height:100%;object-fit:cover}
.badge-hot{position:absolute;top:16px;left:16px;background:var(--c-accent);color:#3A2A00;font-size:13px;font-weight:800;padding:6px 14px;border-radius:999px}
.hero-chip{position:absolute;left:16px;right:16px;bottom:16px;display:flex;align-items:center;justify-content:space-between;gap:12px;background:rgba(255,255,255,.94);backdrop-filter:blur(6px);border-radius:12px;padding:12px 16px;box-shadow:var(--sh-1)}
.hero-chip .chip-label{font-size:13.5px;color:var(--c-text-2)}
.hero-chip .chip-num{font-size:20px;font-weight:800;color:var(--c-main);font-variant-numeric:tabular-nums}
.hero-chip .chip-num em{font-style:normal;font-size:12px;color:var(--c-text-3);font-weight:600;margin-left:4px}
.hero-arc{position:absolute;left:8%;right:8%;bottom:-18px;height:26px;color:var(--c-main);opacity:.5}

/* 保障条 */
.guard{background:var(--c-deep);color:#fff}
.guard-grid{display:grid;grid-template-columns:repeat(4,1fr)}
.guard-item{display:flex;gap:14px;padding:26px 28px;border-right:1px solid rgba(255,255,255,.12)}
.guard-item:last-child{border-right:0}
.guard-item i{font-size:22px;color:var(--c-accent);line-height:1;margin-top:4px}
.guard-item b{display:block;font-size:15.5px;font-weight:700;color:#fff}
.guard-item span{font-size:13px;color:rgba(255,255,255,.68)}

/* 频道入口 */
.channel-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.channel-card{display:flex;gap:14px;align-items:flex-start;background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-card);padding:20px;box-shadow:var(--sh-1);transition:var(--tr)}
.channel-card:hover{border-color:rgba(217,69,31,.3);transform:translateY(-2px);box-shadow:var(--sh-2);color:inherit}
.channel-card .cc-icon{width:44px;height:44px;flex:0 0 auto;border-radius:12px;background:rgba(217,69,31,.1);color:var(--c-main);display:grid;place-items:center;font-size:21px}
.channel-card h3{font-size:16px;margin-bottom:4px}
.channel-card p{font-size:13px;color:var(--c-text-2);line-height:1.7}
.channel-card .cc-arrow{margin-left:auto;color:var(--c-text-3);font-size:16px;align-self:center}

/* 装备网格 */
.gear-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.gear-card{background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-card);overflow:hidden;box-shadow:var(--sh-1);transition:var(--tr);display:flex;flex-direction:column}
.gear-card:hover{border-color:rgba(217,69,31,.3);transform:translateY(-2px);box-shadow:var(--sh-2)}
.gear-thumb{position:relative;aspect-ratio:4/3;background:rgba(15,63,58,.06);overflow:hidden}
.gear-thumb img{width:100%;height:100%;object-fit:cover;transition:transform var(--tr)}
.gear-card:hover .gear-thumb img{transform:scale(1.03)}
.gear-thumb .chip{position:absolute;top:12px;left:12px}
.gear-body{padding:18px 20px 20px;display:flex;flex-direction:column;flex:1}
.gear-body h3{font-size:16.5px;line-height:1.5;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;min-height:50px}
.gear-body .gear-desc{font-size:13px;color:var(--c-text-2);margin-top:8px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.gear-foot{display:flex;align-items:center;justify-content:space-between;gap:10px;margin-top:18px;padding-top:14px;border-top:1px solid var(--c-line)}
.gear-foot .price{font-size:20px;font-weight:800;color:var(--c-deep);font-variant-numeric:tabular-nums}
.gear-foot .price em{font-style:normal;font-size:12px;color:var(--c-text-3);font-weight:600;margin-left:3px}

/* 评价轮播 */
.review-sec{background:#fff;border-top:1px solid var(--c-line);border-bottom:1px solid var(--c-line)}
.review-card{height:100%;background:var(--c-bg);border:1px solid var(--c-line);border-radius:var(--r-card);padding:24px;display:flex;flex-direction:column}
.review-top{display:flex;align-items:center;gap:12px}
.review-avatar{width:44px;height:44px;border-radius:50%;background:rgba(217,69,31,.12);color:var(--c-main);display:grid;place-items:center;font-weight:800;font-size:16px}
.review-name{font-weight:700;font-size:15px}
.review-tag{font-size:12.5px;color:var(--c-text-3)}
.review-stars{color:#F2B21B;font-size:14px;margin:14px 0 10px;letter-spacing:2px}
.review-text{font-size:14.5px;color:var(--c-text-2);line-height:1.85}
#revCarousel{margin-bottom:70px}
.carousel-indicators{left:0;right:auto;bottom:-58px;margin:0;justify-content:flex-start}
.carousel-indicators [data-bs-target]{width:22px;height:6px;border-radius:999px;background:var(--c-line);border:0;opacity:1;margin:0 8px 0 0}
.carousel-indicators .active{background:var(--c-main);width:32px}
#revCarousel .carousel-control-prev,#revCarousel .carousel-control-next{width:44px;height:44px;border-radius:50%;border:1px solid var(--c-line);background:#fff;top:auto;bottom:-70px;opacity:1;color:var(--c-deep);transition:var(--tr)}
#revCarousel .carousel-control-prev{left:auto;right:56px}
#revCarousel .carousel-control-next{left:auto;right:0}
#revCarousel .carousel-control-prev:hover,#revCarousel .carousel-control-next:hover{border-color:var(--c-main);color:var(--c-main)}

/* 资讯列表 */
.news-lead{display:grid;grid-template-columns:5fr 5fr;gap:28px;background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-card);overflow:hidden;box-shadow:var(--sh-1);margin-bottom:12px;transition:var(--tr)}
.news-lead:hover{box-shadow:var(--sh-2);border-color:rgba(217,69,31,.3)}
.news-lead-img{aspect-ratio:16/10;background:rgba(15,63,58,.06);overflow:hidden}
.news-lead-img img{width:100%;height:100%;object-fit:cover;transition:transform var(--tr)}
.news-lead:hover .news-lead-img img{transform:scale(1.03)}
.news-lead-body{padding:30px 30px 30px 0;display:flex;flex-direction:column;justify-content:center}
.news-lead-body h3{font-size:23px;line-height:1.45;margin:14px 0 12px}
.news-lead:hover h3{color:var(--c-main)}
.news-lead-body p{font-size:14.5px;color:var(--c-text-2)}
.news-meta{display:flex;flex-wrap:wrap;gap:18px;margin-top:20px;font-size:13px;color:var(--c-text-3);font-variant-numeric:tabular-nums}
.news-list{border-top:1px solid var(--c-line)}
.news-row{display:flex;align-items:center;gap:18px;padding:18px 4px;border-bottom:1px solid var(--c-line);transition:var(--tr)}
.news-row:hover{background:rgba(217,69,31,.035);color:inherit}
.news-thumb{width:96px;height:72px;flex:0 0 auto;border-radius:10px;object-fit:cover;background:rgba(15,63,58,.06)}
.news-row-body{flex:1;min-width:0}
.news-row-body h4{font-size:16px;font-weight:700;line-height:1.5;margin:6px 0 4px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.news-row:hover h4{color:var(--c-main)}
.news-row-body p{font-size:13px;color:var(--c-text-3);overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.news-row .news-time{font-size:13px;color:var(--c-text-3);white-space:nowrap;font-variant-numeric:tabular-nums}
.news-row .bi-arrow-right{color:var(--c-text-3);font-size:18px;flex:0 0 auto}
.news-row:hover .bi-arrow-right{color:var(--c-main)}
.empty-state{text-align:center;padding:56px 24px;border:1px dashed var(--c-line);border-radius:var(--r-card);background:#fff}
.empty-state i{font-size:30px;color:var(--c-text-3)}
.empty-state p{color:var(--c-text-2);margin:14px 0 20px}

/* CTA 深色块 */
.cta-block .cta-inner{position:relative;overflow:hidden;background:var(--c-deep);border-radius:var(--r-block);padding:56px;display:grid;grid-template-columns:1.2fr .8fr;gap:48px;align-items:center;color:#fff}
.cta-block .cta-inner::before{content:"";position:absolute;right:-60px;top:-90px;width:340px;height:340px;background:rgba(255,210,74,.09);clip-path:polygon(22% 0,100% 0,100% 100%,0 100%)}
.cta-block .cta-inner::after{content:"";position:absolute;left:0;right:0;bottom:0;height:100%;background-image:repeating-linear-gradient(0deg,rgba(255,255,255,.04) 0 1px,transparent 1px 14px);pointer-events:none}
.cta-text{position:relative;z-index:1}
.cta-text h2{color:#fff}
.cta-text>p{margin-top:14px;font-size:15.5px;color:rgba(255,255,255,.75);max-width:34em}
.cta-list{margin-top:24px;display:grid;gap:10px}
.cta-list li{display:flex;align-items:center;gap:10px;font-size:14.5px;color:rgba(255,255,255,.86)}
.cta-list i{color:var(--c-accent);font-size:16px}
.cta-form{position:relative;z-index:1;background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.14);border-radius:16px;padding:26px}
.cta-form label{display:block;font-size:13px;color:rgba(255,255,255,.7);margin-bottom:6px}
.cta-form label .req{color:var(--c-accent)}
.cta-form .form-control{height:44px;border-radius:10px;background:rgba(255,255,255,.94);border:1px solid transparent;font-size:14px;color:var(--c-text);margin-bottom:14px}
.cta-form .form-control:focus{border-color:var(--c-accent);box-shadow:0 0 0 3px rgba(255,210,74,.25)}
.cta-form .btn{width:100%}
.cta-note{margin-top:12px;font-size:12.5px;color:rgba(255,255,255,.6);text-align:center}

/* FAQ */
.faq-wrap{display:grid;grid-template-columns:.85fr 1.15fr;gap:56px;align-items:start}
.faq-aside .faq-note{margin-top:22px;background:#fff;border:1px solid var(--c-line);border-radius:var(--r-card);padding:22px;box-shadow:var(--sh-1)}
.faq-aside .faq-note b{display:block;font-size:15px;margin-bottom:6px}
.faq-aside .faq-note p{font-size:13.5px;color:var(--c-text-2)}
.accordion-item{border:1px solid var(--c-line);border-radius:14px;overflow:hidden;margin-bottom:12px;background:#fff}
.accordion-button{font-size:16px;font-weight:700;color:var(--c-deep);background:#fff;padding:18px 22px;box-shadow:none;line-height:1.5}
.accordion-button:not(.collapsed){background:#F1F6F4;color:var(--c-deep);box-shadow:inset 3px 0 0 var(--c-main)}
.accordion-button:focus{box-shadow:none;border-color:transparent}
.accordion-button::after{content:"+";background-image:none;font-size:20px;font-weight:600;color:var(--c-main);width:24px;height:24px;display:flex;align-items:center;justify-content:center;transform:none;transition:var(--tr);line-height:1}
.accordion-button:not(.collapsed)::after{content:"−";transform:rotate(180deg)}
.accordion-body{font-size:14.5px;color:var(--c-text-2);padding:16px 22px 22px;line-height:1.85}

/* 页脚 */
.site-footer{background:var(--c-deep-2);color:rgba(255,255,255,.72);padding:72px 0 0;margin-top:0}
.footer-top{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:40px;padding-bottom:48px}
.footer-brand .brand{color:#fff}
.footer-brand .brand .brand-mark{color:var(--c-accent)}
.footer-brand p{margin-top:16px;font-size:14px;line-height:1.9;color:rgba(255,255,255,.62);max-width:30em}
.footer-col h3{font-size:15px;color:#fff;margin-bottom:16px}
.footer-col li{margin-bottom:10px}
.footer-col a{font-size:14px;color:rgba(255,255,255,.68)}
.footer-col a:hover{color:var(--c-accent)}
.footer-meta li{display:flex;gap:10px;font-size:13.5px;color:rgba(255,255,255,.6);margin-bottom:10px}
.footer-meta i{color:var(--c-accent);font-size:15px;margin-top:3px}
.footer-bottom{border-top:1px solid rgba(255,255,255,.12);padding:22px 0;display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;font-size:13px;color:rgba(255,255,255,.5);font-variant-numeric:tabular-nums}

/* 响应式 */
@media (max-width:1199px){
  .hero-grid{gap:40px}
  .gear-grid{grid-template-columns:repeat(3,1fr)}
  .channel-grid{grid-template-columns:repeat(2,1fr)}
}
@media (max-width:991px){
  .section{padding:72px 0}
  .hero{padding:44px 0 72px}
  .hero-grid{grid-template-columns:1fr;gap:36px}
  .hero-visual{order:2}
  .guard-grid{grid-template-columns:repeat(2,1fr)}
  .guard-item{border-right:0;border-bottom:1px solid rgba(255,255,255,.12)}
  .guard-item:nth-child(odd){border-right:1px solid rgba(255,255,255,.12)}
  .guard-item:nth-last-child(-n+2){border-bottom:0}
  .gear-grid{grid-template-columns:repeat(2,1fr)}
  .news-lead{grid-template-columns:1fr}
  .news-lead-body{padding:0 24px 26px}
  .cta-block .cta-inner{grid-template-columns:1fr;gap:32px;padding:40px}
  .faq-wrap{grid-template-columns:1fr;gap:32px}
  .footer-top{grid-template-columns:1fr 1fr;gap:32px}
}
@media (max-width:767px){
  .section{padding:56px 0}
  .container{padding-left:20px;padding-right:20px}
  .sec-head{flex-direction:column;align-items:flex-start;gap:14px;margin-bottom:28px}
  .hero-stats{gap:16px}
  .hero-stat{padding-right:16px;margin-right:16px}
  .channel-grid{grid-template-columns:1fr}
  .news-row{align-items:flex-start;flex-wrap:wrap}
  .news-row .news-time{order:3}
  .news-lead-body h3{font-size:20px}
  .footer-top{grid-template-columns:1fr}
}
@media (max-width:575px){
  .container{padding-left:16px;padding-right:16px}
  .section{padding:48px 0}
  .gear-grid{grid-template-columns:1fr}
  .hero-actions .btn{width:100%}
  .hero-stat b{font-size:20px}
  .cta-block .cta-inner{padding:28px 20px}
  .news-thumb{width:80px;height:60px}
  .news-row-body p{display:none}
  #revCarousel .carousel-control-prev{right:52px}
}

/* roulang page: article */
:root{
  --c-main:#D9451F;
  --c-main-dark:#B33514;
  --c-deep:#0F3F3A;
  --c-deep-2:#0B2A26;
  --c-accent:#FFD24A;
  --c-bg:#F6F4EF;
  --c-surface:#FFFFFF;
  --c-line:#E4DFD5;
  --c-text:#1C1F1E;
  --c-text-2:#5C6661;
  --c-text-3:#8A938E;
  --r-card:14px;
  --r-btn:10px;
  --r-img:12px;
  --r-block:20px;
  --sh-1:0 1px 2px rgba(11,42,38,.06);
  --sh-2:0 14px 30px -14px rgba(11,42,38,.22);
  --tr:.22s cubic-bezier(.2,.7,.3,1);
  --bs-body-bg:#F6F4EF;
  --bs-body-color:#1C1F1E;
  --bs-border-color:#E4DFD5;
  --bs-border-radius:14px;
  --bs-font-sans-serif:"Noto Sans SC","HarmonyOS Sans SC","PingFang SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  --bs-link-color:#D9451F;
  --bs-link-hover-color:#B33514;
}

*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--c-bg);
  color:var(--c-text);
  font-family:var(--bs-font-sans-serif);
  font-size:16px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
  -moz-osx-font-smoothing:grayscale;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;transition:color var(--tr);}
a:hover{color:var(--c-main);}
button,input{font-family:inherit;font-size:inherit;}
:focus-visible{outline:2px solid var(--c-main);outline-offset:2px;border-radius:6px;}
::selection{background:rgba(217,69,31,.16);}

.container{width:100%;max-width:1200px;margin:0 auto;padding-left:24px;padding-right:24px;}
@media (max-width:991.98px){.container{padding-left:20px;padding-right:20px;}}
@media (max-width:575.98px){.container{padding-left:16px;padding-right:16px;}}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:46px;padding:0 22px;border:1px solid transparent;border-radius:var(--r-btn);
  font-size:15px;font-weight:700;line-height:1;cursor:pointer;
  transition:background var(--tr),color var(--tr),border-color var(--tr),transform var(--tr),box-shadow var(--tr);
}
.btn-main{background:var(--c-main);color:#fff;box-shadow:0 8px 18px -10px rgba(217,69,31,.75);}
.btn-main:hover{background:#E4542C;color:#fff;transform:translateY(-1px);box-shadow:0 14px 26px -12px rgba(217,69,31,.7);}
.btn-main:active{background:var(--c-main-dark);transform:translateY(0);}
.btn-ghost{background:transparent;color:var(--c-deep);border-color:var(--c-line);}
.btn-ghost:hover{background:rgba(217,69,31,.08);border-color:rgba(217,69,31,.4);color:var(--c-main);transform:translateY(-1px);}
.btn-lg{height:52px;padding:0 28px;font-size:16px;}
.btn-sm{height:36px;padding:0 14px;font-size:13.5px;border-radius:9px;}
.btn-block{width:100%;}

/* ============ 徽章 / 标签 ============ */
.badge-tag{
  display:inline-flex;align-items:center;gap:6px;
  padding:4px 11px;border-radius:999px;background:var(--c-accent);
  color:#3A2B00;font-size:12.5px;font-weight:700;line-height:1.6;
}
.tag-pill{
  display:inline-flex;align-items:center;padding:6px 14px;border-radius:999px;
  background:rgba(217,69,31,.08);color:var(--c-main);font-size:13.5px;font-weight:600;
  border:1px solid rgba(217,69,31,.14);transition:background var(--tr),color var(--tr),border-color var(--tr);
}
.tag-pill:hover{background:var(--c-main);color:#fff;border-color:var(--c-main);}

/* ============ 顶部导航 ============ */
.site-header{
  position:sticky;top:0;z-index:1040;
  background:rgba(255,255,255,.94);
  backdrop-filter:saturate(160%) blur(10px);
  border-bottom:1px solid var(--c-line);
  transition:box-shadow var(--tr),background var(--tr);
}
.site-header.is-scrolled{box-shadow:0 10px 26px -20px rgba(11,42,38,.55);background:rgba(255,255,255,.98);}
.header-inner{display:flex;align-items:center;gap:18px;height:64px;transition:height var(--tr);}
.site-header.is-scrolled .header-inner{height:58px;}
.brand{display:inline-flex;align-items:center;gap:10px;flex-shrink:0;}
.brand-mark{
  width:34px;height:34px;border-radius:10px;display:grid;place-items:center;
  background:var(--c-deep);color:#fff;flex-shrink:0;
}
.brand-mark svg{width:22px;height:22px;}
.brand-text{font-size:18px;font-weight:800;letter-spacing:-.02em;color:var(--c-deep);white-space:nowrap;}
.brand:hover .brand-text{color:var(--c-main);}

.main-nav{margin-left:12px;}
.main-nav .nav-link{
  position:relative;padding:9px 12px;font-size:15px;font-weight:500;color:var(--c-text-2);
  border-radius:9px;white-space:nowrap;
}
.main-nav .nav-link:hover{color:var(--c-text);background:rgba(15,63,58,.05);}
.main-nav .nav-link.active{color:var(--c-deep);font-weight:700;}
.main-nav .nav-link.active::after{
  content:"";position:absolute;left:12px;right:12px;bottom:1px;height:2px;
  background:var(--c-main);border-radius:2px;
}
.header-right{margin-left:auto;display:flex;align-items:center;gap:12px;}
.search-box{
  display:flex;align-items:center;gap:8px;height:40px;width:230px;padding:0 14px;
  background:var(--c-bg);border:1px solid var(--c-line);border-radius:999px;
  transition:border-color var(--tr),box-shadow var(--tr),background var(--tr);
}
.search-box i{color:var(--c-text-3);font-size:16px;}
.search-box input{
  flex:1;min-width:0;border:0;background:transparent;outline:none;
  font-size:14px;color:var(--c-text);
}
.search-box input::placeholder{color:var(--c-text-3);}
.search-box:focus-within{border-color:var(--c-main);background:#fff;box-shadow:0 0 0 3px rgba(217,69,31,.12);}
.link-login{font-size:14.5px;font-weight:600;color:var(--c-text-2);padding:8px 6px;}
.link-login:hover{color:var(--c-main);}
.nav-toggle{
  margin-left:auto;width:42px;height:42px;display:grid;place-items:center;
  border:1px solid var(--c-line);background:#fff;border-radius:11px;color:var(--c-deep);font-size:20px;
}
.nav-toggle:hover{border-color:rgba(217,69,31,.4);color:var(--c-main);}

.mobile-drawer{width:min(88vw,360px);background:#fff;border-left:1px solid var(--c-line);}
.mobile-drawer .offcanvas-header{border-bottom:1px solid var(--c-line);padding:16px 20px;}
.mobile-drawer .brand-text{font-size:17px;}
.mobile-drawer .offcanvas-body{padding:20px;}
.search-box-mobile{width:100%;margin-bottom:18px;}
.drawer-nav{display:flex;flex-direction:column;gap:2px;}
.drawer-nav .nav-link{
  padding:12px 12px;border-radius:10px;font-size:15.5px;font-weight:600;color:var(--c-text-2);
}
.drawer-nav .nav-link:hover,.drawer-nav .nav-link.active{background:rgba(15,63,58,.05);color:var(--c-deep);}
.drawer-actions{display:grid;gap:10px;margin-top:22px;padding-top:18px;border-top:1px solid var(--c-line);}

/* ============ 面包屑 ============ */
.crumbs{padding:22px 0 0;}
.crumbs ol{list-style:none;display:flex;flex-wrap:wrap;align-items:center;gap:8px;margin:0;padding:0;font-size:13.5px;color:var(--c-text-3);}
.crumbs li{display:flex;align-items:center;gap:8px;}
.crumbs li+li::before{content:"›";color:var(--c-text-3);}
.crumbs a{color:var(--c-text-2);}
.crumbs a:hover{color:var(--c-main);}
.crumbs [aria-current="page"]{color:var(--c-deep);font-weight:600;}

/* ============ 文章头部 ============ */
.article-hero{
  position:relative;overflow:hidden;
  background:linear-gradient(180deg,#FFFFFF 0%,#F6F4EF 100%);
  border-bottom:1px solid var(--c-line);
  padding-bottom:34px;
}
.article-hero::before{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:repeating-linear-gradient(180deg,rgba(15,63,58,.045) 0 1px,transparent 1px 14px);
  opacity:.9;
}
.article-hero::after{
  content:"";position:absolute;right:-120px;top:-80px;width:420px;height:280px;
  background:var(--c-main);opacity:.05;
  clip-path:polygon(12% 0,100% 0,100% 100%,0 100%);
}
.article-hero .container{position:relative;z-index:1;}
.article-hero h1{
  margin:20px 0 0;max-width:900px;
  font-size:clamp(27px,4vw,44px);line-height:1.22;font-weight:800;letter-spacing:-.02em;color:var(--c-deep);
}
.meta-row{
  display:flex;flex-wrap:wrap;align-items:center;gap:10px 22px;
  margin-top:18px;font-size:13.5px;color:var(--c-text-2);
}
.meta-row span{display:inline-flex;align-items:center;gap:7px;font-variant-numeric:tabular-nums;}
.meta-row i{color:var(--c-main);font-size:15px;}

/* ============ 主布局 ============ */
.article-main{padding:56px 0 80px;}
.article-layout{display:grid;grid-template-columns:minmax(0,1fr) 320px;gap:48px;align-items:start;}
.article-panel{
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-card);
  padding:36px 40px;box-shadow:var(--sh-1);
}

/* ============ 正文排版 ============ */
.article-body{max-width:780px;font-size:16px;line-height:1.85;color:var(--c-text);}
.article-body>p:first-of-type{font-size:17px;color:var(--c-text-2);}
.article-body p{margin:0 0 18px;}
.article-body h2{
  position:relative;margin:44px 0 16px;padding-left:14px;
  font-size:clamp(21px,2.4vw,27px);font-weight:800;line-height:1.35;letter-spacing:-.02em;color:var(--c-deep);
}
.article-body h2::before{
  content:"";position:absolute;left:0;top:.18em;bottom:.18em;width:4px;
  border-radius:3px;background:var(--c-main);
}
.article-body h3{margin:30px 0 12px;font-size:20px;font-weight:700;line-height:1.4;color:var(--c-deep);}
.article-body h4{margin:22px 0 10px;font-size:17px;font-weight:700;color:var(--c-deep);}
.article-body ul,.article-body ol{margin:0 0 18px;padding-left:22px;}
.article-body ul{list-style:none;padding-left:20px;}
.article-body ul>li{position:relative;margin-bottom:9px;}
.article-body ul>li::before{
  content:"";position:absolute;left:-16px;top:.72em;width:6px;height:6px;border-radius:50%;background:var(--c-main);
}
.article-body ol{list-style:none;counter-reset:li;padding-left:26px;}
.article-body ol>li{position:relative;margin-bottom:9px;counter-increment:li;}
.article-body ol>li::before{
  content:counter(li);position:absolute;left:-26px;top:.24em;
  width:19px;height:19px;border-radius:6px;background:rgba(217,69,31,.12);color:var(--c-main);
  font-size:12px;font-weight:800;display:grid;place-items:center;font-variant-numeric:tabular-nums;
}
.article-body blockquote{
  margin:24px 0;padding:16px 20px;background:var(--c-bg);
  border-left:3px solid var(--c-main);border-radius:0 10px 10px 0;color:var(--c-text-2);
}
.article-body blockquote p:last-child{margin-bottom:0;}
.article-body img{
  margin:26px auto;border-radius:var(--r-img);box-shadow:var(--sh-1);
}
.article-body figure{margin:26px 0;}
.article-body figcaption{
  margin-top:10px;text-align:center;font-size:13px;color:var(--c-text-3);
}
.article-body a{color:var(--c-main);font-weight:600;text-decoration:underline;text-underline-offset:3px;}
.article-body a:hover{color:var(--c-main-dark);}
.article-body table{
  width:100%;margin:24px 0;border-collapse:collapse;font-size:15px;
  border:1px solid var(--c-line);border-radius:12px;overflow:hidden;
}
.article-body thead th{
  background:var(--c-deep);color:#fff;font-weight:700;text-align:left;
  padding:12px 16px;font-size:14.5px;
}
.article-body tbody td{padding:12px 16px;border-top:1px solid var(--c-line);color:var(--c-text-2);}
.article-body tbody tr:nth-child(even) td{background:#FBF9F5;}
.article-body code{
  background:rgba(15,63,58,.07);color:var(--c-deep);
  padding:2px 7px;border-radius:6px;font-size:14px;
}
.article-body hr{border:0;border-top:1px solid var(--c-line);margin:34px 0;}

/* ============ 文末标签与分享 ============ */
.article-footer{margin-top:40px;padding-top:26px;border-top:1px solid var(--c-line);}
.article-tags{display:flex;flex-wrap:wrap;align-items:center;gap:10px;margin-bottom:20px;}
.article-tags .label{font-size:13.5px;font-weight:700;color:var(--c-deep);}
.share-row{display:flex;flex-wrap:wrap;align-items:center;gap:10px;}
.share-row .label{font-size:13.5px;font-weight:700;color:var(--c-deep);margin-right:2px;}
.share-btn{
  display:inline-flex;align-items:center;gap:7px;height:38px;padding:0 14px;
  border:1px solid var(--c-line);border-radius:999px;background:#fff;
  font-size:13.5px;font-weight:600;color:var(--c-text-2);
  transition:border-color var(--tr),color var(--tr),background var(--tr);
}
.share-btn:hover{border-color:rgba(217,69,31,.45);color:var(--c-main);background:rgba(217,69,31,.06);}

/* ============ 侧栏 ============ */
.article-aside{position:sticky;top:88px;display:flex;flex-direction:column;gap:20px;}
.side-card{
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-card);
  padding:22px;box-shadow:var(--sh-1);
}
.side-title{
  display:flex;align-items:center;gap:9px;margin:0 0 14px;
  font-size:16px;font-weight:800;color:var(--c-deep);letter-spacing:-.01em;
}
.side-title::before{content:"";width:4px;height:16px;border-radius:3px;background:var(--c-main);}
.toc-list{list-style:none;margin:0;padding:0;counter-reset:toc;}
.toc-list li{counter-increment:toc;position:relative;}
.toc-list a{
  display:block;padding:8px 10px 8px 26px;border-radius:8px;
  font-size:14px;color:var(--c-text-2);line-height:1.6;
  transition:background var(--tr),color var(--tr);
}
.toc-list a::before{
  content:counter(toc);position:absolute;left:6px;top:11px;
  font-size:12px;font-weight:800;color:var(--c-text-3);font-variant-numeric:tabular-nums;
}
.toc-list a:hover{background:rgba(217,69,31,.07);color:var(--c-main);}
.side-links{list-style:none;margin:0;padding:0;}
.side-links li+li{border-top:1px solid var(--c-line);}
.side-links a{
  display:flex;align-items:center;justify-content:space-between;gap:10px;
  padding:11px 4px;font-size:14.5px;font-weight:600;color:var(--c-text-2);
}
.side-links a i{color:var(--c-text-3);font-size:14px;transition:transform var(--tr),color var(--tr);}
.side-links a:hover{color:var(--c-main);}
.side-links a:hover i{color:var(--c-main);transform:translateX(3px);}
.tag-cloud{display:flex;flex-wrap:wrap;gap:9px;}

/* ============ 上一篇 / 下一篇 ============ */
.pager-row{display:grid;grid-template-columns:1fr 1fr;gap:20px;margin-top:28px;}
.pager-card{
  display:block;padding:18px 22px;background:var(--c-surface);
  border:1px solid var(--c-line);border-radius:var(--r-card);box-shadow:var(--sh-1);
  transition:border-color var(--tr),transform var(--tr),box-shadow var(--tr);
}
.pager-card:hover{border-color:rgba(217,69,31,.35);transform:translateY(-2px);box-shadow:var(--sh-2);}
.pager-card .dir{display:flex;align-items:center;gap:7px;font-size:13px;font-weight:700;color:var(--c-main);}
.pager-card h3{margin:8px 0 0;font-size:15.5px;font-weight:700;line-height:1.5;color:var(--c-deep);}
.pager-card p{margin:6px 0 0;font-size:13px;color:var(--c-text-3);}
.pager-card.next{text-align:right;}
.pager-card.next .dir{justify-content:flex-end;}

/* ============ 相关推荐 ============ */
.related-section{margin-top:64px;}
.section-head{
  display:flex;align-items:flex-end;justify-content:space-between;gap:18px;margin-bottom:24px;
}
.section-head h2{
  position:relative;margin:0;padding-left:14px;
  font-size:clamp(22px,2.6vw,29px);font-weight:800;letter-spacing:-.02em;color:var(--c-deep);
}
.section-head h2::before{
  content:"";position:absolute;left:0;top:.2em;bottom:.2em;width:4px;border-radius:3px;background:var(--c-main);
}
.text-link{display:inline-flex;align-items:center;gap:6px;font-size:14.5px;font-weight:700;color:var(--c-main);}
.text-link:hover{color:var(--c-main-dark);}
.related-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:22px;}
.rel-card{
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-card);
  overflow:hidden;box-shadow:var(--sh-1);
  transition:border-color var(--tr),transform var(--tr),box-shadow var(--tr);
}
.rel-card:hover{border-color:rgba(217,69,31,.3);transform:translateY(-2px);box-shadow:var(--sh-2);}
.rel-thumb{display:block;aspect-ratio:4/3;background:rgba(217,69,31,.06);overflow:hidden;}
.rel-thumb img{width:100%;height:100%;object-fit:cover;transition:transform var(--tr);}
.rel-card:hover .rel-thumb img{transform:scale(1.03);}
.rel-body{padding:18px 20px 22px;}
.rel-body h3{margin:10px 0 8px;font-size:16.5px;font-weight:700;line-height:1.5;color:var(--c-deep);}
.rel-body p{margin:0;font-size:13.5px;line-height:1.7;color:var(--c-text-2);}

/* ============ 空态 ============ */
.empty-state{
  display:flex;flex-direction:column;align-items:center;text-align:center;
  padding:56px 24px;border:1px dashed var(--c-line);border-radius:var(--r-card);background:#FBF9F5;
}
.empty-state i{font-size:40px;color:var(--c-text-3);margin-bottom:14px;}
.empty-state h2{margin:0 0 10px;font-size:20px;font-weight:800;color:var(--c-deep);}
.empty-state p{margin:0 0 22px;font-size:14.5px;color:var(--c-text-2);max-width:420px;}

/* ============ 深色 CTA ============ */
.cta-block{padding:0 0 88px;}
.cta-inner{
  position:relative;overflow:hidden;display:grid;grid-template-columns:1.35fr .9fr;
  gap:40px;align-items:center;padding:48px 52px;border-radius:var(--r-block);
  background:var(--c-deep);color:#fff;box-shadow:var(--sh-2);
}
.cta-inner::before{
  content:"";position:absolute;right:-90px;top:-60px;width:380px;height:260px;
  background:var(--c-main);opacity:.35;
  clip-path:polygon(18% 0,100% 0,100% 100%,0 100%);
}
.cta-inner::after{
  content:"";position:absolute;left:0;right:0;bottom:18px;height:1px;background:rgba(255,255,255,.14);
}
.cta-text,.cta-action{position:relative;z-index:1;}
.cta-text h2{margin:0 0 12px;font-size:clamp(22px,2.8vw,31px);font-weight:800;line-height:1.35;letter-spacing:-.02em;color:#fff;}
.cta-text>p{margin:0 0 20px;font-size:15px;line-height:1.8;color:rgba(255,255,255,.78);}
.cta-points{list-style:none;margin:0;padding:0;display:flex;flex-wrap:wrap;gap:10px 26px;}
.cta-points li{display:inline-flex;align-items:center;gap:8px;font-size:14px;color:rgba(255,255,255,.9);}
.cta-points i{color:var(--c-accent);font-size:16px;}
.cta-action{display:flex;flex-direction:column;align-items:flex-start;gap:12px;}
.cta-note{margin:0;font-size:13px;color:rgba(255,255,255,.68);}

/* ============ 页脚 ============ */
.site-footer{background:var(--c-deep-2);color:rgba(255,255,255,.72);padding:64px 0 0;}
.footer-top{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:40px;padding-bottom:42px;}
.footer-brand .brand{display:inline-flex;align-items:center;gap:10px;margin-bottom:16px;}
.footer-brand .brand-mark{background:rgba(255,255,255,.1);color:#fff;}
.footer-brand .brand-text{color:#fff;font-size:18px;font-weight:800;}
.footer-brand p{margin:0;font-size:14px;line-height:1.85;color:rgba(255,255,255,.6);max-width:340px;}
.footer-col h3{margin:0 0 16px;font-size:15px;font-weight:800;color:#fff;letter-spacing:-.01em;}
.footer-col ul{list-style:none;margin:0;padding:0;}
.footer-col li{margin-bottom:10px;}
.footer-col a{font-size:14px;color:rgba(255,255,255,.68);}
.footer-col a:hover{color:var(--c-accent);}
.footer-meta li{display:flex;align-items:flex-start;gap:9px;font-size:13.5px;color:rgba(255,255,255,.62);}
.footer-meta i{color:var(--c-accent);font-size:15px;line-height:1.7;}
.footer-bottom{
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:12px;
  padding:20px 0 26px;border-top:1px solid rgba(255,255,255,.12);
}
.footer-bottom p{margin:0;font-size:13px;color:rgba(255,255,255,.5);}

/* ============ 响应式 ============ */
@media (max-width:1199.98px){
  .article-layout{grid-template-columns:minmax(0,1fr) 290px;gap:32px;}
  .article-panel{padding:32px 30px;}
  .related-grid{gap:18px;}
}
@media (max-width:991.98px){
  .article-main{padding:40px 0 60px;}
  .article-layout{grid-template-columns:minmax(0,1fr);gap:32px;}
  .article-aside{position:static;}
  .related-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .cta-inner{grid-template-columns:1fr;padding:40px 34px;gap:26px;}
  .cta-action{align-items:stretch;}
  .cta-action .btn{width:100%;}
  .footer-top{grid-template-columns:1fr 1fr;gap:30px;}
  .footer-brand{grid-column:1 / -1;}
}
@media (max-width:767.98px){
  body{font-size:15.5px;line-height:1.8;}
  .article-hero h1{font-size:clamp(24px,6.4vw,32px);}
  .article-panel{padding:24px 20px;border-radius:12px;}
  .article-body table{display:block;overflow-x:auto;white-space:nowrap;}
  .pager-row{grid-template-columns:1fr;}
  .pager-card.next{text-align:left;}
  .pager-card.next .dir{justify-content:flex-start;}
  .related-grid{grid-template-columns:1fr;}
  .cta-block{padding-bottom:60px;}
  .cta-inner{padding:32px 22px;border-radius:16px;}
  .cta-points{flex-direction:column;gap:8px;}
  .footer-top{grid-template-columns:1fr;gap:26px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
}
@media (max-width:575.98px){
  .btn{height:44px;padding:0 18px;}
  .btn-lg{height:48px;font-size:15.5px;}
  .article-body h2{margin-top:34px;}
  .side-card{padding:18px;}
  .share-row .label{width:100%;}
}

/* roulang page: category1 */
:root{
  --c-main:#D9451F;
  --c-main-dark:#B33514;
  --c-deep:#0F3F3A;
  --c-deep-2:#0B2A26;
  --c-accent:#FFD24A;
  --c-bg:#F6F4EF;
  --c-surface:#FFFFFF;
  --c-line:#E4DFD5;
  --c-text:#1C1F1E;
  --c-text-2:#5C6661;
  --c-text-3:#8A938E;
  --r-card:14px;
  --r-btn:10px;
  --r-img:12px;
  --r-block:20px;
  --sh-1:0 1px 2px rgba(11,42,38,.06);
  --sh-2:0 14px 30px -14px rgba(11,42,38,.22);
  --ease:.22s cubic-bezier(.2,.7,.3,1);
  --bs-primary:#D9451F;
  --bs-primary-rgb:217,69,31;
  --bs-body-bg:#F6F4EF;
  --bs-body-color:#1C1F1E;
  --bs-border-radius:14px;
  --bs-border-color:#E4DFD5;
  --bs-link-color:#D9451F;
  --bs-link-hover-color:#B33514;
  --bs-font-sans-serif:"Noto Sans SC","HarmonyOS Sans","PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,sans-serif;
}

*{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:16px;
  line-height:1.85;
  color:var(--c-text);
  background:var(--c-bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:var(--c-main);text-decoration:none;transition:color var(--ease);}
a:hover{color:var(--c-main-dark);}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4,p{margin:0;}
button{font-family:inherit;}
:focus-visible{outline:2px solid var(--c-main);outline-offset:2px;border-radius:4px;}

.container{width:100%;max-width:1200px;margin-inline:auto;padding-inline:24px;}
@media (min-width:1200px){.container{max-width:1200px;}}

/* ============ 导航 ============ */
.site-header{
  position:sticky;top:0;z-index:1030;
  background:rgba(255,255,255,.96);
  border-bottom:1px solid var(--c-line);
  transition:box-shadow var(--ease),background var(--ease);
}
.site-header.scrolled{box-shadow:0 6px 20px -14px rgba(11,42,38,.28);}
.header-inner{
  display:flex;align-items:center;gap:24px;
  height:64px;
  transition:height var(--ease);
}
.site-header.scrolled .header-inner{height:56px;}
.brand{display:inline-flex;align-items:center;gap:10px;color:var(--c-text);flex:0 0 auto;}
.brand:hover{color:var(--c-text);}
.brand-mark{
  width:32px;height:32px;border-radius:10px;
  display:inline-flex;align-items:center;justify-content:center;
  background:var(--c-deep);color:#fff;
}
.brand-mark svg{width:20px;height:20px;}
.brand-text{font-size:18px;font-weight:800;letter-spacing:-.02em;}
.main-nav{display:flex;align-items:center;gap:2px;}
.main-nav .nav-link{
  position:relative;padding:8px 14px;border-radius:8px;
  font-size:15px;font-weight:500;color:var(--c-text-2);
  transition:color var(--ease),background var(--ease);
}
.main-nav .nav-link:hover{color:var(--c-main);background:rgba(217,69,31,.06);}
.main-nav .nav-link.active{color:var(--c-text);font-weight:700;}
.main-nav .nav-link.active::after{
  content:"";position:absolute;left:14px;right:14px;bottom:0;height:2px;
  background:var(--c-main);border-radius:2px;
}
.header-right{margin-left:auto;display:flex;align-items:center;gap:14px;}
.nav-search{position:relative;width:240px;}
.nav-search .bi{
  position:absolute;left:14px;top:50%;transform:translateY(-50%);
  color:var(--c-text-3);font-size:16px;
}
.nav-search input{
  width:100%;height:40px;border-radius:999px;
  border:1px solid var(--c-line);background:#fff;
  padding:0 16px 0 40px;font-size:14px;color:var(--c-text);
  transition:border-color var(--ease),box-shadow var(--ease);
}
.nav-search input::placeholder{color:var(--c-text-3);}
.nav-search input:focus{
  outline:none;border-color:var(--c-main);
  box-shadow:0 0 0 3px rgba(217,69,31,.12);
}
.nav-login{font-size:15px;color:var(--c-text-2);font-weight:500;}
.nav-login:hover{color:var(--c-main);}
.btn-main{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:42px;padding:0 20px;border-radius:var(--r-btn);
  background:var(--c-main);border:1px solid var(--c-main);color:#fff;
  font-size:15px;font-weight:600;white-space:nowrap;
  transition:transform var(--ease),box-shadow var(--ease),background var(--ease);
}
.btn-main:hover{background:#e04f28;color:#fff;transform:translateY(-1px);box-shadow:var(--sh-2);}
.btn-main:active{background:var(--c-main-dark);transform:translateY(0);}
.btn-ghost{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:42px;padding:0 20px;border-radius:var(--r-btn);
  background:transparent;border:1px solid var(--c-line);color:var(--c-text);
  font-size:15px;font-weight:600;
  transition:all var(--ease);
}
.btn-ghost:hover{border-color:var(--c-main);color:var(--c-main);background:rgba(217,69,31,.08);}
.nav-toggle{
  display:none;width:42px;height:42px;border:1px solid var(--c-line);
  border-radius:10px;background:#fff;color:var(--c-text);
  align-items:center;justify-content:center;font-size:20px;
}
.drawer-search{position:relative;margin-bottom:18px;}
.drawer-search .bi{position:absolute;left:14px;top:50%;transform:translateY(-50%);color:var(--c-text-3);}
.drawer-search input{
  width:100%;height:44px;border-radius:999px;border:1px solid var(--c-line);
  padding:0 16px 0 42px;font-size:15px;background:#fff;
}
.drawer-search input:focus{outline:none;border-color:var(--c-main);box-shadow:0 0 0 3px rgba(217,69,31,.12);}
.drawer-nav{display:flex;flex-direction:column;gap:4px;}
.drawer-nav a{
  padding:12px 14px;border-radius:10px;font-size:16px;
  color:var(--c-text);font-weight:500;
}
.drawer-nav a:hover{background:rgba(217,69,31,.06);color:var(--c-main);}
.drawer-nav a.active{background:rgba(217,69,31,.08);color:var(--c-main);font-weight:700;}
.offcanvas{border-radius:0;}

@media (max-width:1199px){.nav-search{width:200px;}}
@media (max-width:991px){
  .main-nav,.nav-login,.nav-search{display:none;}
  .nav-toggle{display:inline-flex;}
  .header-inner{gap:12px;}
}
@media (max-width:575px){
  .container{padding-inline:16px;}
  .brand-text{font-size:16px;}
  .btn-main{height:40px;padding:0 16px;font-size:14px;}
}

/* ============ 分类 Hero ============ */
.cat-hero{
  position:relative;overflow:hidden;
  padding:52px 0 64px;
  background:linear-gradient(180deg,var(--c-deep) 0%,var(--c-deep-2) 100%);
  color:#fff;
}
.cat-hero::before{
  content:"";position:absolute;inset:0;
  background-image:url('/assets/images/backpic/back-1.webp');
  background-size:cover;background-position:center;
  opacity:.18;
}
.cat-hero-slash{
  position:absolute;left:0;bottom:0;width:42%;height:120px;
  background:var(--c-main);opacity:.14;
  clip-path:polygon(0 100%,0 0,100% 100%);
  pointer-events:none;
}
.cat-hero-arc{
  position:absolute;right:-90px;top:-70px;width:460px;height:460px;
  border:1px solid rgba(255,255,255,.14);border-radius:50%;
  pointer-events:none;
}
.cat-hero .container{position:relative;z-index:2;}
.crumb ol{display:flex;flex-wrap:wrap;align-items:center;gap:6px;font-size:14px;}
.crumb li{display:inline-flex;align-items:center;gap:6px;color:rgba(255,255,255,.66);}
.crumb li+li::before{content:"›";color:rgba(255,255,255,.4);}
.crumb a{color:rgba(255,255,255,.72);}
.crumb a:hover{color:#fff;}
.hero-title{
  margin-top:20px;
  font-size:clamp(30px,4.6vw,48px);
  line-height:1.18;font-weight:800;letter-spacing:-.02em;
}
.hero-sub{
  margin-top:16px;max-width:560px;
  font-size:17px;line-height:1.8;color:rgba(255,255,255,.78);
}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:28px;}
.btn-on-dark{
  display:inline-flex;align-items:center;justify-content:center;
  height:46px;padding:0 24px;border-radius:var(--r-btn);
  border:1px solid rgba(255,255,255,.34);background:transparent;color:#fff;
  font-size:15px;font-weight:600;
  transition:all var(--ease);
}
.btn-on-dark:hover{background:rgba(255,255,255,.12);border-color:rgba(255,255,255,.6);color:#fff;}
.hero-actions .btn-main{height:46px;padding:0 24px;}
.hero-stats{
  display:flex;flex-wrap:wrap;gap:0;margin-top:36px;
  border-top:1px solid rgba(255,255,255,.16);padding-top:22px;
}
.hero-stats li{
  padding-right:24px;margin-right:24px;
  border-right:1px solid rgba(255,255,255,.16);
}
.hero-stats li:last-child{border-right:0;margin-right:0;padding-right:0;}
.hero-stats strong{
  display:block;font-size:24px;font-weight:800;
  font-variant-numeric:tabular-nums;letter-spacing:-.02em;
}
.hero-stats span{font-size:13px;color:rgba(255,255,255,.66);}
.hero-visual{position:relative;margin:0;}
.hero-visual img{
  width:100%;aspect-ratio:4/3;object-fit:cover;
  border-radius:var(--r-block);border:1px solid rgba(255,255,255,.16);
}
.hero-badge{
  position:absolute;left:16px;top:16px;
  background:var(--c-accent);color:#2A2100;
  font-size:13px;font-weight:700;padding:5px 12px;border-radius:999px;
}
.hero-visual figcaption{
  position:absolute;left:16px;right:16px;bottom:16px;
  background:rgba(11,42,38,.78);
  border:1px solid rgba(255,255,255,.14);
  border-radius:10px;padding:10px 14px;
  font-size:13px;color:rgba(255,255,255,.86);
  font-variant-numeric:tabular-nums;
}
@media (max-width:991px){
  .cat-hero{padding:36px 0 48px;}
  .hero-stats{margin-top:28px;}
  .hero-visual{margin-top:32px;}
}
@media (max-width:575px){
  .hero-stats li{
    flex:1 1 50%;border-right:0;margin-right:0;padding-right:0;
    margin-bottom:16px;
  }
  .hero-actions .btn-main,.hero-actions .btn-on-dark{width:100%;}
}

/* ============ 通用板块 ============ */
.section{padding:96px 0;}
.section-alt{background:#fff;}
.section-head{
  display:flex;flex-wrap:wrap;align-items:flex-end;gap:16px;
  justify-content:space-between;margin-bottom:44px;
}
.eyebrow{
  display:inline-block;margin-bottom:12px;
  padding:5px 12px;border-radius:999px;
  background:rgba(217,69,31,.1);color:var(--c-main);
  font-size:13px;font-weight:700;letter-spacing:.02em;
}
.section-title{
  position:relative;padding-left:16px;
  font-size:clamp(24px,3vw,34px);line-height:1.3;
  font-weight:800;letter-spacing:-.02em;color:var(--c-text);
}
.section-title::before{
  content:"";position:absolute;left:0;top:6px;bottom:6px;width:4px;
  border-radius:3px;background:var(--c-main);
}
.section-desc{margin-top:12px;max-width:640px;font-size:15.5px;color:var(--c-text-2);}
.section-link{font-size:15px;font-weight:600;color:var(--c-main);}
.section-link:hover{text-decoration:underline;text-underline-offset:3px;}
@media (max-width:991px){
  .section{padding:72px 0;}
  .section-head{margin-bottom:32px;}
}
@media (max-width:575px){
  .section{padding:48px 0;}
}

/* ============ 保障条 ============ */
.assure-bar{
  background:#fff;border-top:1px solid var(--c-line);border-bottom:1px solid var(--c-line);
}
.assure-grid{
  display:grid;grid-template-columns:repeat(4,1fr);
}
.assure-item{
  display:flex;align-items:flex-start;gap:12px;
  padding:24px 20px;border-right:1px solid var(--c-line);
}
.assure-item:last-child{border-right:0;}
.assure-item .bi{font-size:22px;color:var(--c-main);line-height:1;}
.assure-item h3{font-size:15px;font-weight:700;margin-bottom:2px;}
.assure-item p{font-size:13px;color:var(--c-text-3);line-height:1.6;}
@media (max-width:991px){
  .assure-grid{grid-template-columns:repeat(2,1fr);}
  .assure-item:nth-child(2){border-right:0;}
  .assure-item:nth-child(1),.assure-item:nth-child(2){border-bottom:1px solid var(--c-line);}
}
@media (max-width:575px){
  .assure-item{padding:18px 14px;}
}

/* ============ 装备网格 ============ */
.gear-grid{
  display:grid;grid-template-columns:repeat(4,1fr);gap:20px;
}
.gear-card{
  display:flex;flex-direction:column;
  background:var(--c-surface);border:1px solid var(--c-line);
  border-radius:var(--r-card);overflow:hidden;padding:16px;
  box-shadow:var(--sh-1);
  transition:transform var(--ease),box-shadow var(--ease),border-color var(--ease);
}
.gear-card:hover{
  transform:translateY(-2px);border-color:rgba(217,69,31,.3);
  box-shadow:var(--sh-2);
}
.card-media{position:relative;margin-bottom:14px;overflow:hidden;border-radius:var(--r-img);}
.card-media img{
  width:100%;aspect-ratio:4/3;object-fit:cover;
  transition:transform .35s cubic-bezier(.2,.7,.3,1);
}
.gear-card:hover .card-media img{transform:scale(1.03);}
.badge-soft{
  position:absolute;left:10px;top:10px;
  background:var(--c-accent);color:#2A2100;
  font-size:12px;font-weight:700;padding:4px 10px;border-radius:999px;
}
.card-title{
  font-size:16.5px;line-height:1.5;font-weight:700;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;
  overflow:hidden;
}
.card-meta{
  margin-top:6px;font-size:13px;color:var(--c-text-2);line-height:1.6;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.card-foot{
  margin-top:auto;padding-top:14px;
  display:flex;align-items:center;justify-content:space-between;gap:10px;
}
.price{
  font-size:19px;font-weight:800;color:var(--c-main);
  font-variant-numeric:tabular-nums;letter-spacing:-.02em;
}
.price span{font-size:12px;font-weight:600;margin-left:2px;color:var(--c-text-3);}
.btn-mini{
  display:inline-flex;align-items:center;justify-content:center;
  height:34px;padding:0 14px;border-radius:8px;
  background:rgba(217,69,31,.1);color:var(--c-main);
  font-size:13.5px;font-weight:700;
  transition:all var(--ease);
}
.btn-mini:hover{background:var(--c-main);color:#fff;}
@media (max-width:1199px){.gear-grid{grid-template-columns:repeat(3,1fr);}}
@media (max-width:991px){.gear-grid{grid-template-columns:repeat(2,1fr);}}
@media (max-width:575px){.gear-grid{grid-template-columns:1fr;}}

/* ============ 流程 ============ */
.step-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;}
.step-card{
  background:#fff;border:1px solid var(--c-line);border-radius:var(--r-card);
  padding:28px 24px;box-shadow:var(--sh-1);
  transition:transform var(--ease),box-shadow var(--ease),border-color var(--ease);
}
.step-card:hover{transform:translateY(-2px);box-shadow:var(--sh-2);border-color:rgba(217,69,31,.28);}
.step-num{
  font-size:38px;font-weight:800;line-height:1;
  color:rgba(217,69,31,.22);
  font-variant-numeric:tabular-nums;letter-spacing:-.03em;
}
.step-card h3{margin-top:14px;font-size:19px;font-weight:700;}
.step-card p{margin-top:8px;font-size:14.5px;color:var(--c-text-2);}
@media (max-width:767px){.step-grid{grid-template-columns:1fr;}}

/* ============ 图文两栏 ============ */
.split{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:center;}
.split-media img{
  width:100%;aspect-ratio:16/9;object-fit:cover;
  border-radius:var(--r-block);
}
.split-copy h2{
  position:relative;padding-left:16px;
  font-size:clamp(22px,2.6vw,30px);line-height:1.35;font-weight:800;
  letter-spacing:-.02em;
}
.split-copy h2::before{
  content:"";position:absolute;left:0;top:6px;bottom:6px;width:4px;
  border-radius:3px;background:var(--c-main);
}
.split-copy p{margin-top:16px;font-size:15.5px;color:var(--c-text-2);}
.check-list{margin-top:22px;display:grid;gap:12px;}
.check-list li{display:flex;align-items:flex-start;gap:10px;font-size:15px;color:var(--c-text);}
.check-list .bi{color:var(--c-main);font-size:18px;line-height:1.6;}
@media (max-width:991px){
  .split{grid-template-columns:1fr;gap:28px;}
}

/* ============ 参数表 ============ */
.table-wrap{
  background:#fff;border:1px solid var(--c-line);border-radius:var(--r-card);
  overflow-x:auto;box-shadow:var(--sh-1);
}
.param-table{width:100%;border-collapse:collapse;min-width:760px;}
.param-table caption{
  caption-side:top;text-align:left;padding:18px 22px 0;
  font-size:13px;color:var(--c-text-3);
}
.param-table th,.param-table td{
  padding:15px 22px;text-align:left;font-size:14.5px;
  border-bottom:1px solid var(--c-line);white-space:nowrap;
}
.param-table thead th{
  background:var(--c-deep);color:#fff;font-weight:600;font-size:14px;
  border-bottom:0;
}
.param-table tbody tr:nth-child(even){background:#FAF8F4;}
.param-table tbody tr:hover{background:rgba(217,69,31,.05);}
.param-table tbody tr:last-child td{border-bottom:0;}
.param-table td:first-child{font-weight:700;color:var(--c-text);}
.param-table .num{font-variant-numeric:tabular-nums;color:var(--c-main);font-weight:700;}

/* ============ 评价轮播 ============ */
.review-card{
  height:100%;background:#fff;border:1px solid var(--c-line);
  border-radius:var(--r-card);padding:24px;box-shadow:var(--sh-1);
}
.review-head{display:flex;align-items:center;gap:12px;margin-bottom:14px;}
.avatar{
  width:44px;height:44px;border-radius:50%;flex:0 0 auto;
  display:flex;align-items:center;justify-content:center;
  background:rgba(217,69,31,.12);color:var(--c-main);
  font-weight:800;font-size:17px;
}
.review-head h3{font-size:15.5px;font-weight:700;}
.review-tag{
  display:inline-block;margin-top:2px;
  font-size:12px;color:var(--c-text-3);
}
.stars{color:#F2B01E;font-size:14px;letter-spacing:2px;margin-bottom:10px;}
.review-card p{font-size:14.5px;color:var(--c-text-2);line-height:1.8;}
.carousel-indicators{position:static;margin:28px 0 0;}
.carousel-indicators [data-bs-target]{
  width:22px;height:6px;border-radius:999px;background:var(--c-line);
  border:0;opacity:1;margin:0 5px;transition:background var(--ease),width var(--ease);
}
.carousel-indicators .active{background:var(--c-main);width:34px;}
.carousel-control-prev,.carousel-control-next{
  width:44px;height:44px;top:auto;bottom:-70px;opacity:1;
  border:1px solid var(--c-line);border-radius:50%;background:#fff;color:var(--c-text);
  display:flex;align-items:center;justify-content:center;
  transition:all var(--ease);
}
.carousel-control-prev{left:auto;right:64px;}
.carousel-control-next{right:0;}
.carousel-control-prev:hover,.carousel-control-next:hover{
  border-color:var(--c-main);color:var(--c-main);background:rgba(217,69,31,.08);
}
@media (max-width:575px){
  .carousel-control-prev,.carousel-control-next{display:none;}
}

/* ============ FAQ ============ */
.faq{max-width:900px;margin-inline:auto;}
.faq .accordion-item{
  border:1px solid var(--c-line);border-radius:12px;
  background:#fff;margin-bottom:12px;overflow:hidden;
  box-shadow:var(--sh-1);
}
.faq .accordion-button{
  font-size:16px;font-weight:700;color:var(--c-text);
  background:#fff;padding:18px 22px;box-shadow:none;
  border-radius:12px;
}
.faq .accordion-button:not(.collapsed){
  color:var(--c-deep);background:#fff;
  border-left:3px solid var(--c-main);
}
.faq .accordion-button::after{
  content:"+";display:flex;align-items:center;justify-content:center;
  width:24px;height:24px;background-image:none;font-size:19px;
  color:var(--c-main);font-weight:700;transform:none;
  transition:transform var(--ease);
}
.faq .accordion-button:not(.collapsed)::after{content:"–";transform:rotate(180deg);}
.faq .accordion-button:focus{outline:none;box-shadow:0 0 0 3px rgba(217,69,31,.12);}
.faq .accordion-body{
  padding:0 22px 22px;font-size:15px;color:var(--c-text-2);line-height:1.85;
}

/* ============ 深色 CTA ============ */
.cta-block{
  position:relative;overflow:hidden;
  background:var(--c-deep);color:#fff;
  border-radius:var(--r-block);
  padding:56px 48px;
}
.cta-block::before{
  content:"";position:absolute;right:0;top:0;bottom:0;width:36%;
  background:var(--c-main);opacity:.16;
  clip-path:polygon(28% 0,100% 0,100% 100%,0 100%);
  pointer-events:none;
}
.cta-grid{
  position:relative;z-index:2;
  display:grid;grid-template-columns:1.4fr 1fr;gap:40px;align-items:center;
}
.cta-block h2{
  font-size:clamp(22px,2.8vw,32px);line-height:1.3;font-weight:800;
  letter-spacing:-.02em;
}
.cta-block .cta-sub{margin-top:14px;font-size:15.5px;color:rgba(255,255,255,.76);}
.cta-list{margin-top:20px;display:grid;gap:10px;}
.cta-list li{display:flex;align-items:flex-start;gap:10px;font-size:14.5px;color:rgba(255,255,255,.86);}
.cta-list .bi{color:var(--c-accent);font-size:17px;line-height:1.7;}
.cta-actions{text-align:right;}
.cta-actions .btn-main{height:52px;padding:0 34px;font-size:16px;}
.cta-actions .note{margin-top:12px;font-size:13px;color:rgba(255,255,255,.6);}
@media (max-width:991px){
  .cta-block{padding:40px 24px;}
  .cta-grid{grid-template-columns:1fr;gap:26px;}
  .cta-actions{text-align:left;}
  .cta-actions .btn-main{width:100%;}
}

/* ============ 页脚 ============ */
.site-footer{background:var(--c-deep-2);color:rgba(255,255,255,.72);padding:72px 0 0;}
.footer-top{
  display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:40px;
  padding-bottom:44px;
}
.site-footer .brand{color:#fff;}
.site-footer .brand-mark{background:rgba(255,255,255,.12);}
.site-footer .brand:hover{color:#fff;}
.footer-brand p{margin-top:16px;font-size:14px;line-height:1.85;color:rgba(255,255,255,.62);max-width:340px;}
.footer-col h3{font-size:15px;font-weight:700;color:#fff;margin-bottom:16px;}
.footer-col ul{display:grid;gap:10px;}
.footer-col a{font-size:14px;color:rgba(255,255,255,.66);}
.footer-col a:hover{color:#fff;}
.footer-meta li{
  display:flex;align-items:flex-start;gap:8px;
  font-size:14px;color:rgba(255,255,255,.66);
}
.footer-meta .bi{color:var(--c-main);font-size:15px;line-height:1.7;}
.footer-bottom{
  display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;
  border-top:1px solid rgba(255,255,255,.12);
  padding:22px 0 28px;font-size:13px;color:rgba(255,255,255,.5);
}
@media (max-width:991px){
  .site-footer{padding-top:52px;}
  .footer-top{grid-template-columns:1fr 1fr;gap:32px;}
}
@media (max-width:575px){
  .footer-top{grid-template-columns:1fr;}
  .footer-bottom{flex-direction:column;}
}

/* roulang page: category2 */
:root{
  --c-main:#D9451F;
  --c-main-dark:#B33514;
  --c-main-soft:rgba(217,69,31,.08);
  --c-deep:#0F3F3A;
  --c-deep-2:#0B2A26;
  --c-accent:#FFD24A;
  --c-bg:#F6F4EF;
  --c-surface:#FFFFFF;
  --c-line:#E4DFD5;
  --c-text:#1C1F1E;
  --c-text-2:#5C6661;
  --c-text-3:#8A938E;
  --radius-card:14px;
  --radius-btn:10px;
  --radius-pill:999px;
  --radius-img:12px;
  --radius-block:20px;
  --shadow-1:0 1px 2px rgba(11,42,38,.06);
  --shadow-2:0 14px 30px -14px rgba(11,42,38,.22);
  --ease:.22s cubic-bezier(.2,.7,.3,1);
  --bs-primary:#D9451F;
  --bs-primary-rgb:217,69,31;
  --bs-body-bg:#F6F4EF;
  --bs-body-color:#1C1F1E;
  --bs-border-color:#E4DFD5;
  --bs-border-radius:14px;
  --bs-link-color:#1C1F1E;
  --bs-link-hover-color:#D9451F;
  --bs-font-sans-serif:"Noto Sans SC","HarmonyOS Sans","PingFang SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
}

*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--c-bg);
  color:var(--c-text);
  font-family:var(--bs-font-sans-serif);
  font-size:16px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
}
img{display:block;max-width:100%;object-fit:cover;}
a{color:inherit;text-decoration:none;transition:color var(--ease),background-color var(--ease),border-color var(--ease);}
ul,ol{list-style:none;margin:0;padding:0;}
h1,h2,h3,h4{margin:0;font-weight:700;letter-spacing:-.02em;color:var(--c-text);}
p{margin:0;}
button{font-family:inherit;}
svg{display:block;}
:focus-visible{outline:2px solid var(--c-main);outline-offset:2px;border-radius:6px;}

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

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  min-height:46px;
  padding:.72rem 1.45rem;
  border-radius:var(--radius-btn);
  font-size:15px;
  font-weight:600;
  line-height:1.2;
  border:1px solid transparent;
  transition:transform var(--ease),box-shadow var(--ease),background-color var(--ease),border-color var(--ease),color var(--ease);
}
.btn-lg{min-height:52px;padding:.9rem 1.9rem;font-size:16px;}
.btn-primary{
  --bs-btn-bg:var(--c-main);
  --bs-btn-border-color:var(--c-main);
  --bs-btn-hover-bg:#E4532D;
  --bs-btn-hover-border-color:#E4532D;
  --bs-btn-active-bg:var(--c-main-dark);
  --bs-btn-active-border-color:var(--c-main-dark);
  --bs-btn-color:#fff;
  --bs-btn-hover-color:#fff;
  --bs-btn-active-color:#fff;
  background:var(--c-main);
  border-color:var(--c-main);
  color:#fff;
  box-shadow:var(--shadow-1);
}
.btn-primary:hover{background:#E4532D;border-color:#E4532D;color:#fff;transform:translateY(-1px);box-shadow:var(--shadow-2);}
.btn-primary:active{background:var(--c-main-dark);border-color:var(--c-main-dark);color:#fff;transform:translateY(0);}
.btn-outline-main{
  background:transparent;
  border:1px solid var(--c-line);
  color:var(--c-deep);
  font-weight:600;
}
.btn-outline-main:hover{background:var(--c-main-soft);border-color:rgba(217,69,31,.35);color:var(--c-main);transform:translateY(-1px);}
.btn-outline-main:active{transform:translateY(0);background:rgba(217,69,31,.14);}
.btn-light-accent{
  background:var(--c-accent);
  border-color:var(--c-accent);
  color:#3A2A00;
  font-weight:700;
}
.btn-light-accent:hover{background:#FFDD6E;border-color:#FFDD6E;color:#3A2A00;transform:translateY(-1px);box-shadow:var(--shadow-2);}

/* ---------- 头部导航 ---------- */
.site-header{
  position:sticky;
  top:0;
  z-index:1030;
  background:rgba(255,255,255,.95);
  backdrop-filter:saturate(180%) blur(12px);
  border-bottom:1px solid var(--c-line);
  transition:box-shadow var(--ease);
}
.site-header.scrolled{box-shadow:0 8px 22px -16px rgba(11,42,38,.42);}
.header-inner{
  display:flex;
  align-items:center;
  gap:24px;
  height:64px;
  transition:height var(--ease);
}
.site-header.scrolled .header-inner{height:58px;}
.brand{display:inline-flex;align-items:center;gap:10px;flex-shrink:0;}
.brand-mark svg{width:28px;height:28px;color:var(--c-main);}
.brand-text{
  font-size:18px;
  font-weight:800;
  letter-spacing:-.02em;
  color:var(--c-deep);
  white-space:nowrap;
}
.main-nav{display:flex;align-items:center;gap:2px;}
.main-nav .nav-link{
  position:relative;
  padding:8px 14px;
  font-size:15px;
  font-weight:500;
  color:var(--c-text-2);
  border-radius:8px;
  white-space:nowrap;
}
.main-nav .nav-link:hover{color:var(--c-deep);background:#F1EEE7;}
.main-nav .nav-link.active{color:var(--c-deep);font-weight:700;}
.main-nav .nav-link.active::after{
  content:"";
  position:absolute;
  left:14px;right:14px;bottom:1px;
  height:2px;
  border-radius:2px;
  background:var(--c-main);
}
.header-actions{margin-left:auto;display:flex;align-items:center;gap:14px;}
.search-box{position:relative;width:230px;}
.search-box i{
  position:absolute;
  left:14px;top:50%;
  transform:translateY(-50%);
  font-size:16px;
  color:var(--c-text-3);
  pointer-events:none;
}
.search-box input{
  width:100%;
  height:40px;
  padding:0 16px 0 40px;
  border:1px solid var(--c-line);
  border-radius:var(--radius-pill);
  background:#FAF9F6;
  font-size:14px;
  color:var(--c-text);
  transition:border-color var(--ease),box-shadow var(--ease),background-color var(--ease);
}
.search-box input::placeholder{color:var(--c-text-3);}
.search-box input:focus{
  outline:none;
  border-color:var(--c-main);
  background:#fff;
  box-shadow:0 0 0 3px rgba(217,69,31,.13);
}
.link-login{font-size:15px;font-weight:500;color:var(--c-text-2);}
.link-login:hover{color:var(--c-main);}
.btn-header{
  display:inline-flex;
  align-items:center;
  height:40px;
  padding:0 20px;
  border-radius:var(--radius-btn);
  background:var(--c-main);
  color:#fff;
  font-size:14px;
  font-weight:700;
  box-shadow:var(--shadow-1);
  transition:background-color var(--ease),transform var(--ease),box-shadow var(--ease);
}
.btn-header:hover{background:#E4532D;color:#fff;transform:translateY(-1px);box-shadow:var(--shadow-2);}
.btn-header:active{background:var(--c-main-dark);transform:translateY(0);}
.nav-toggle{
  margin-left:auto;
  width:44px;height:44px;
  display:flex;align-items:center;justify-content:center;
  border:1px solid var(--c-line);
  border-radius:var(--radius-btn);
  background:#fff;
  color:var(--c-deep);
  font-size:20px;
  transition:border-color var(--ease),color var(--ease);
}
.nav-toggle:hover{border-color:rgba(217,69,31,.35);color:var(--c-main);}

/* 移动端抽屉 */
.drawer-mask{
  position:fixed;inset:0;
  background:rgba(11,42,38,.48);
  opacity:0;visibility:hidden;
  transition:opacity var(--ease),visibility var(--ease);
  z-index:1040;
}
.drawer-mask.open{opacity:1;visibility:visible;}
.mobile-drawer{
  position:fixed;
  top:0;right:0;bottom:0;
  width:min(86vw,340px);
  background:#fff;
  z-index:1050;
  padding:20px;
  overflow-y:auto;
  transform:translateX(102%);
  transition:transform .26s cubic-bezier(.2,.7,.3,1);
  box-shadow:-24px 0 44px -26px rgba(11,42,38,.5);
}
.mobile-drawer.open{transform:translateX(0);}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:18px;}
.drawer-close{
  width:38px;height:38px;
  display:flex;align-items:center;justify-content:center;
  border:1px solid var(--c-line);
  border-radius:9px;
  background:#fff;
  color:var(--c-text-2);
  font-size:18px;
}
.drawer-search{position:relative;margin-bottom:16px;}
.drawer-search i{position:absolute;left:14px;top:50%;transform:translateY(-50%);color:var(--c-text-3);}
.drawer-search input{
  width:100%;height:44px;
  padding:0 16px 0 40px;
  border:1px solid var(--c-line);
  border-radius:var(--radius-pill);
  background:#FAF9F6;
  font-size:14px;
}
.drawer-search input:focus{outline:none;border-color:var(--c-main);background:#fff;box-shadow:0 0 0 3px rgba(217,69,31,.13);}
.drawer-nav a{
  display:block;
  padding:12px 14px;
  border-radius:var(--radius-btn);
  font-size:16px;
  font-weight:500;
  color:var(--c-text-2);
}
.drawer-nav a:hover{background:#F1EEE7;color:var(--c-deep);}
.drawer-nav a.active{background:#FBEEE9;color:var(--c-main);font-weight:700;}
.drawer-cta{margin-top:20px;display:flex;flex-direction:column;gap:10px;}

/* ---------- Hero ---------- */
.page-hero{
  position:relative;
  overflow:hidden;
  padding:56px 0 84px;
  background:var(--c-surface);
  border-bottom:1px solid var(--c-line);
}
.page-hero::before{
  content:"";
  position:absolute;inset:0;
  background:repeating-linear-gradient(180deg,rgba(15,63,58,.035) 0 2px,transparent 2px 26px);
  pointer-events:none;
}
.page-hero::after{
  content:"";
  position:absolute;left:0;right:0;bottom:-1px;height:72px;
  background:var(--c-bg);
  clip-path:polygon(0 100%,100% 0,100% 100%);
  pointer-events:none;
}
.page-hero .container{position:relative;z-index:2;}

.breadcrumb-nav{margin-bottom:22px;}
.breadcrumb-nav ol{display:flex;flex-wrap:wrap;gap:0;font-size:13.5px;color:var(--c-text-3);}
.breadcrumb-nav li+li::before{content:"›";margin:0 8px;color:var(--c-text-3);}
.breadcrumb-nav a{color:var(--c-text-2);}
.breadcrumb-nav a:hover{color:var(--c-main);text-decoration:underline;text-underline-offset:3px;}
.breadcrumb-nav [aria-current="page"]{color:var(--c-text);font-weight:600;}

.eyebrow{
  display:inline-flex;
  align-items:center;
  gap:8px;
  margin-bottom:14px;
  font-size:13px;
  font-weight:700;
  letter-spacing:.08em;
  color:var(--c-main);
}
.eyebrow::before{content:"";width:22px;height:2px;border-radius:2px;background:var(--c-main);}
.hero-title{
  font-size:clamp(30px,4.6vw,50px);
  font-weight:800;
  line-height:1.18;
  letter-spacing:-.02em;
}
.hero-title em{font-style:normal;color:var(--c-main);}
.hero-sub{
  margin-top:18px;
  max-width:560px;
  font-size:17px;
  line-height:1.8;
  color:var(--c-text-2);
}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:32px;}
.hero-stats{display:flex;flex-wrap:wrap;margin-top:36px;}
.hero-stats li{padding:0 24px;border-left:1px solid var(--c-line);}
.hero-stats li:first-child{padding-left:0;border-left:0;}
.hero-stats strong{
  display:block;
  font-size:26px;
  font-weight:800;
  line-height:1.25;
  color:var(--c-deep);
  letter-spacing:-.03em;
  font-variant-numeric:tabular-nums;
}
.hero-stats span{font-size:13px;color:var(--c-text-3);}

.hero-figure{
  position:relative;
  margin:0;
  border-radius:var(--radius-block);
  overflow:hidden;
  box-shadow:var(--shadow-2);
}
.hero-figure img{width:100%;aspect-ratio:4/3;object-fit:cover;}
.hero-tag{
  position:absolute;
  left:16px;top:16px;
  padding:6px 14px;
  border-radius:var(--radius-pill);
  background:var(--c-accent);
  color:#3A2A00;
  font-size:13px;
  font-weight:700;
  letter-spacing:.02em;
}
.hero-caption{
  position:absolute;
  left:16px;right:16px;bottom:16px;
  display:flex;
  justify-content:space-between;
  gap:12px;
  padding:12px 16px;
  border-radius:12px;
  background:rgba(11,42,38,.82);
  color:#fff;
  font-size:13.5px;
  line-height:1.6;
}
.hero-caption span{font-variant-numeric:tabular-nums;color:var(--c-accent);font-weight:600;}

/* ---------- 通用板块 ---------- */
.section{padding:96px 0;}
.section-tight{padding:48px 0 0;}
.section-alt{
  background:var(--c-surface);
  border-top:1px solid var(--c-line);
  border-bottom:1px solid var(--c-line);
}
.section-head{max-width:730px;margin-bottom:44px;}
.section-title{font-size:clamp(24px,3vw,34px);font-weight:800;line-height:1.3;}
.section-desc{margin-top:14px;font-size:15.5px;line-height:1.85;color:var(--c-text-2);}
.section-head-row{
  display:flex;
  align-items:flex-end;
  justify-content:space-between;
  gap:24px;
  margin-bottom:40px;
  flex-wrap:wrap;
}
.section-head-row .section-head{margin-bottom:0;}

/* ---------- 保障条 ---------- */
.assure-bar{
  background:var(--c-surface);
  border:1px solid var(--c-line);
  border-radius:var(--radius-block);
  padding:28px 10px;
  box-shadow:var(--shadow-1);
}
.assure-grid{display:grid;grid-template-columns:repeat(4,1fr);}
.assure-item{
  display:flex;
  gap:12px;
  align-items:flex-start;
  padding:0 22px;
  border-left:1px solid var(--c-line);
}
.assure-item:first-child{border-left:0;}
.assure-item i{font-size:22px;line-height:1.45;color:var(--c-main);}
.assure-item h3{font-size:15px;font-weight:700;line-height:1.5;}
.assure-item p{margin-top:4px;font-size:13px;line-height:1.7;color:var(--c-text-3);}

/* ---------- 场馆卡片 ---------- */
.venue-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;}
.venue-card{
  display:flex;
  flex-direction:column;
  background:var(--c-surface);
  border:1px solid var(--c-line);
  border-radius:var(--radius-card);
  overflow:hidden;
  box-shadow:var(--shadow-1);
  transition:transform var(--ease),box-shadow var(--ease),border-color var(--ease);
}
.venue-card:hover{
  transform:translateY(-2px);
  border-color:rgba(217,69,31,.3);
  box-shadow:var(--shadow-2);
}
.venue-card figure{margin:0;overflow:hidden;background:rgba(217,69,31,.06);}
.venue-card img{
  width:100%;
  aspect-ratio:4/3;
  object-fit:cover;
  transition:transform .5s cubic-bezier(.2,.7,.3,1);
}
.venue-card:hover img{transform:scale(1.03);}
.venue-body{
  display:flex;
  flex-direction:column;
  gap:10px;
  flex:1;
  padding:20px 22px 22px;
}
.tag{
  display:inline-flex;
  align-items:center;
  align-self:flex-start;
  padding:3px 12px;
  border-radius:var(--radius-pill);
  background:var(--c-accent);
  color:#3A2A00;
  font-size:12px;
  font-weight:700;
  letter-spacing:.02em;
}
.venue-card h3{font-size:17px;font-weight:700;line-height:1.45;}
.venue-card .desc{font-size:13.5px;line-height:1.75;color:var(--c-text-2);}
.venue-meta{
  display:flex;
  flex-wrap:wrap;
  gap:6px 16px;
  margin-top:auto;
  padding-top:12px;
  border-top:1px solid var(--c-line);
  font-size:13px;
  color:var(--c-text-3);
  font-variant-numeric:tabular-nums;
}
.venue-meta b{color:var(--c-deep);font-weight:700;}

/* ---------- 参数表 ---------- */
.table-shell{
  background:var(--c-surface);
  border:1px solid var(--c-line);
  border-radius:var(--radius-block);
  overflow:hidden;
  box-shadow:var(--shadow-1);
}
.table-wrap{overflow-x:auto;-webkit-overflow-scrolling:touch;}
.spec-table{
  width:100%;
  min-width:820px;
  border-collapse:collapse;
  font-size:14.5px;
}
.spec-table th{
  padding:16px 20px;
  background:var(--c-deep);
  color:#fff;
  font-weight:600;
  text-align:left;
  white-space:nowrap;
  letter-spacing:.02em;
}
.spec-table td{
  padding:15px 20px;
  border-top:1px solid var(--c-line);
  color:var(--c-text-2);
  vertical-align:middle;
}
.spec-table tbody tr:nth-child(even){background:#FBFAF6;}
.spec-table tbody tr:hover{background:#F7F1EC;}
.spec-table td:first-child{color:var(--c-text);font-weight:700;}
.spec-table .num{font-variant-numeric:tabular-nums;color:var(--c-deep);font-weight:600;}
.table-note{
  display:flex;
  align-items:flex-start;
  gap:8px;
  margin-top:16px;
  font-size:13px;
  line-height:1.75;
  color:var(--c-text-3);
}
.table-note i{margin-top:3px;color:var(--c-main);}

/* ---------- 流程 ---------- */
.step-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;}
.step-card{
  position:relative;
  overflow:hidden;
  padding:28px 26px 30px;
  background:var(--c-surface);
  border:1px solid var(--c-line);
  border-radius:var(--radius-card);
  box-shadow:var(--shadow-1);
  transition:transform var(--ease),box-shadow var(--ease),border-color var(--ease);
}
.step-card:hover{transform:translateY(-2px);border-color:rgba(217,69,31,.3);box-shadow:var(--shadow-2);}
.step-card::after{
  content:"";
  position:absolute;
  right:-34px;top:-34px;
  width:116px;height:116px;
  border-radius:50%;
  background:rgba(15,63,58,.05);
}
.step-num{
  position:relative;
  z-index:1;
  font-size:44px;
  font-weight:800;
  line-height:1;
  letter-spacing:-.05em;
  color:rgba(217,69,31,.18);
  font-variant-numeric:tabular-nums;
}
.step-card h3{position:relative;z-index:1;margin-top:-6px;font-size:18px;font-weight:700;}
.step-card p{position:relative;z-index:1;margin-top:10px;font-size:14px;line-height:1.8;color:var(--c-text-2);}

/* ---------- 场景两栏 ---------- */
.scene-layout{
  display:grid;
  grid-template-columns:1.05fr 1fr;
  gap:44px;
  align-items:center;
}
.scene-figure{margin:0;border-radius:var(--radius-block);overflow:hidden;box-shadow:var(--shadow-2);}
.scene-figure img{width:100%;aspect-ratio:16/10;object-fit:cover;}
.scene-lead{font-size:15.5px;line-height:1.85;color:var(--c-text-2);}
.check-list{margin-top:20px;}
.check-list li{
  display:flex;
  gap:12px;
  padding:14px 0;
  border-bottom:1px solid var(--c-line);
  font-size:15px;
  line-height:1.75;
  color:var(--c-text-2);
}
.check-list li:last-child{border-bottom:0;}
.check-list i{flex-shrink:0;margin-top:4px;font-size:17px;color:var(--c-main);}
.check-list b{color:var(--c-text);font-weight:700;}

/* ---------- FAQ ---------- */
.faq-layout{display:grid;grid-template-columns:1fr 1.9fr;gap:44px;align-items:start;}
.faq-aside{
  position:sticky;
  top:88px;
  padding:26px;
  background:var(--c-surface);
  border:1px solid var(--c-line);
  border-radius:var(--radius-block);
  box-shadow:var(--shadow-1);
}
.faq-aside h3{font-size:17px;font-weight:700;}
.faq-aside p{margin-top:10px;font-size:14px;line-height:1.8;color:var(--c-text-2);}
.faq-aside .aside-meta{
  display:flex;
  align-items:center;
  gap:8px;
  margin-top:18px;
  padding-top:16px;
  border-top:1px solid var(--c-line);
  font-size:13.5px;
  color:var(--c-text-3);
  font-variant-numeric:tabular-nums;
}
.faq-aside .aside-meta i{color:var(--c-main);font-size:16px;}

.accordion{
  --bs-accordion-bg:transparent;
  --bs-accordion-border-width:0;
  --bs-accordion-border-color:transparent;
  --bs-accordion-btn-focus-box-shadow:0 0 0 3px rgba(217,69,31,.15);
}
.accordion-item{
  margin-bottom:12px;
  background:var(--c-surface);
  border:1px solid var(--c-line);
  border-radius:12px;
  overflow:hidden;
  box-shadow:var(--shadow-1);
  transition:border-color var(--ease),box-shadow var(--ease);
}
.accordion-item:hover{border-color:rgba(217,69,31,.28);}
.accordion-header{margin:0;}
.accordion-button{
  width:100%;
  padding:18px 20px;
  background:var(--c-surface);
  color:var(--c-text);
  font-size:16px;
  font-weight:600;
  line-height:1.6;
  text-align:left;
  border:0;
  border-radius:0;
  box-shadow:none;
  transition:background-color var(--ease),color var(--ease),box-shadow var(--ease);
}
.accordion-button:not(.collapsed){
  background:#FBFAF6;
  color:var(--c-deep);
  box-shadow:inset 3px 0 0 var(--c-main);
}
.accordion-button:focus{box-shadow:0 0 0 3px rgba(217,69,31,.15);}
.accordion-button::after{
  content:"";
  flex-shrink:0;
  width:12px;height:12px;
  margin-left:auto;
  margin-right:4px;
  background-image:none;
  border-right:2px solid var(--c-deep);
  border-bottom:2px solid var(--c-deep);
  transform:rotate(45deg);
  transition:transform var(--ease);
}
.accordion-button:not(.collapsed)::after{transform:rotate(-135deg);}
.accordion-body{
  padding:2px 20px 20px;
  font-size:14.5px;
  line-height:1.85;
  color:var(--c-text-2);
}

/* ---------- 深色 CTA ---------- */
.cta-band{
  position:relative;
  overflow:hidden;
  display:grid;
  grid-template-columns:1.4fr 1fr;
  gap:38px;
  align-items:center;
  padding:52px 56px;
  border-radius:var(--radius-block);
  background:var(--c-deep);
  color:#fff;
  box-shadow:var(--shadow-2);
}
.cta-band::before{
  content:"";
  position:absolute;
  right:-70px;top:-70px;
  width:340px;height:340px;
  background:rgba(217,69,31,.22);
  clip-path:polygon(58% 0,100% 0,100% 100%,18% 100%);
  pointer-events:none;
}
.cta-band::after{
  content:"";
  position:absolute;
  left:-50px;bottom:-110px;
  width:430px;height:200px;
  border:1px solid rgba(255,255,255,.14);
  border-radius:50%;
  pointer-events:none;
}
.cta-band > *{position:relative;z-index:2;}
.cta-band h2{color:#fff;font-size:clamp(23px,2.7vw,32px);font-weight:800;line-height:1.32;}
.cta-band p{margin-top:14px;font-size:15px;line-height:1.8;color:rgba(255,255,255,.78);}
.cta-checks{display:flex;flex-wrap:wrap;gap:10px 24px;margin-top:20px;}
.cta-checks li{display:flex;align-items:center;gap:8px;font-size:14px;color:rgba(255,255,255,.82);}
.cta-checks i{color:var(--c-accent);font-size:16px;}
.cta-side{
  display:flex;
  flex-direction:column;
  gap:12px;
  align-items:flex-start;
  padding-left:32px;
  border-left:1px solid rgba(255,255,255,.16);
}
.cta-side .btn{width:100%;}
.cta-side small{font-size:12.5px;line-height:1.7;color:rgba(255,255,255,.6);}

/* ---------- 页脚 ---------- */
.site-footer{
  position:relative;
  overflow:hidden;
  margin-top:96px;
  padding:72px 0 0;
  background:var(--c-deep-2);
  color:rgba(255,255,255,.72);
}
.site-footer::before{
  content:"";
  position:absolute;inset:0;
  background:repeating-linear-gradient(180deg,rgba(255,255,255,.03) 0 1px,transparent 1px 22px);
  pointer-events:none;
}
.footer-top{
  position:relative;
  display:grid;
  grid-template-columns:1.7fr 1fr 1fr 1.1fr;
  gap:36px;
  padding-bottom:44px;
}
.site-footer .brand{color:#fff;}
.site-footer .brand-text{color:#fff;}
.site-footer .brand-mark svg{color:var(--c-accent);}
.footer-brand p{
  margin-top:16px;
  max-width:340px;
  font-size:14px;
  line-height:1.85;
  color:rgba(255,255,255,.62);
}
.footer-col h3{margin-bottom:16px;font-size:15px;font-weight:700;color:#fff;}
.footer-col ul li{margin-bottom:10px;}
.footer-col a{font-size:14px;color:rgba(255,255,255,.68);}
.footer-col a:hover{color:var(--c-accent);}
.footer-meta li{
  display:flex;
  gap:8px;
  align-items:flex-start;
  font-size:13.5px;
  line-height:1.7;
  color:rgba(255,255,255,.62);
}
.footer-meta i{margin-top:4px;color:var(--c-accent);}
.footer-bottom{
  position:relative;
  display:flex;
  flex-wrap:wrap;
  justify-content:space-between;
  gap:12px;
  padding:20px 0 26px;
  border-top:1px solid rgba(255,255,255,.12);
  font-size:13px;
  color:rgba(255,255,255,.5);
}

/* ---------- 响应式 ---------- */
@media (max-width:1199px){
  .search-box{width:190px;}
  .header-inner{gap:16px;}
  .main-nav .nav-link{padding:8px 11px;font-size:14.5px;}
}

@media (max-width:991px){
  .section{padding:72px 0;}
  .section-tight{padding:40px 0 0;}
  .page-hero{padding:44px 0 76px;}
  .hero-figure{margin-top:8px;}
  .assure-grid{grid-template-columns:repeat(2,1fr);}
  .assure-item{padding:0 18px;}
  .assure-item:nth-child(odd){border-left:0;padding-left:0;}
  .assure-item:nth-child(n+3){margin-top:24px;padding-top:24px;border-top:1px solid var(--c-line);}
  .venue-grid{grid-template-columns:repeat(2,1fr);}
  .step-grid{grid-template-columns:1fr;}
  .scene-layout{grid-template-columns:1fr;gap:28px;}
  .faq-layout{grid-template-columns:1fr;gap:28px;}
  .faq-aside{position:static;}
  .cta-band{grid-template-columns:1fr;padding:40px 34px;}
  .cta-side{padding-left:0;padding-top:24px;border-left:0;border-top:1px solid rgba(255,255,255,.16);}
  .footer-top{grid-template-columns:repeat(2,1fr);gap:32px;}
  .site-footer{margin-top:72px;}
}

@media (max-width:575px){
  .container{padding-left:16px;padding-right:16px;}
  .section{padding:48px 0;}
  .section-head{margin-bottom:30px;}
  .page-hero{padding:34px 0 68px;}
  .hero-sub{font-size:15.5px;}
  .hero-actions{display:grid;grid-template-columns:1fr 1fr;gap:12px;}
  .hero-actions .btn{width:100%;min-height:48px;font-size:15px;padding-left:10px;padding-right:10px;}
  .hero-stats{margin-top:28px;}
  .hero-stats li{padding:0 14px;}
  .hero-stats strong{font-size:21px;}
  .hero-stats span{font-size:12px;}
  .venue-grid{grid-template-columns:1fr;}
  .assure-bar{padding:22px 18px;}
  .assure-item{padding:0 12px;}
  .cta-band{padding:32px 22px;}
  .cta-side .btn{width:100%;}
  .footer-top{grid-template-columns:1fr;gap:28px;}
  .footer-bottom{flex-direction:column;gap:6px;}
  .accordion-button{padding:15px 16px;font-size:15px;}
  .accordion-body{padding:2px 16px 18px;}
}

/* roulang page: category3 */
:root{
  --c-main:#D9451F;
  --c-main-dark:#B33514;
  --c-deep:#0F3F3A;
  --c-deep-2:#0B2A26;
  --c-accent:#FFD24A;
  --c-bg:#F6F4EF;
  --c-surface:#FFFFFF;
  --c-line:#E4DFD5;
  --c-text:#1C1F1E;
  --c-text-2:#5C6661;
  --c-text-3:#8A938E;
  --r-card:14px;
  --r-btn:10px;
  --r-img:12px;
  --shadow-1:0 1px 2px rgba(11,42,38,.06);
  --shadow-2:0 14px 30px -14px rgba(11,42,38,.22);
  --ease:.22s cubic-bezier(.2,.7,.3,1);
  --bs-body-bg:#F6F4EF;
  --bs-body-color:#1C1F1E;
  --bs-border-radius:10px;
  --bs-border-color:#E4DFD5;
  --bs-primary:#D9451F;
  --bs-primary-rgb:217,69,31;
  --bs-font-sans-serif:"Noto Sans SC","HarmonyOS Sans","PingFang SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  --bs-link-color:#B33514;
  --bs-link-hover-color:#D9451F;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:var(--bs-font-sans-serif);
  background:var(--c-bg);
  color:var(--c-text);
  font-size:16px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:var(--c-main-dark);text-decoration:none;transition:color var(--ease)}
a:hover{color:var(--c-main)}
h1,h2,h3,h4{font-weight:800;letter-spacing:-.02em;color:var(--c-text);margin:0}
p{margin:0 0 16px}
ul,ol{margin:0;padding:0;list-style:none}
:focus-visible{outline:2px solid var(--c-main);outline-offset:2px;border-radius:4px}
.container{width:100%;padding-left:24px;padding-right:24px;margin-left:auto;margin-right:auto}
@media (min-width:1200px){.container{max-width:1200px}}
@media (min-width:1400px){.container{max-width:1200px}}
@media (max-width:991px){.container{padding-left:20px;padding-right:20px}}
@media (max-width:575px){.container{padding-left:16px;padding-right:16px}}

/* ---------- 头部导航 ---------- */
.site-header{position:sticky;top:0;z-index:1030;background:rgba(255,255,255,.94);-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);border-bottom:1px solid var(--c-line);transition:box-shadow var(--ease)}
.site-header.is-scrolled{box-shadow:0 1px 14px rgba(11,42,38,.09)}
.header-inner{display:flex;align-items:center;gap:24px;height:64px;transition:height var(--ease)}
.site-header.is-scrolled .header-inner{height:56px}
.brand{display:inline-flex;align-items:center;gap:10px;color:var(--c-deep);font-weight:800;font-size:17px;letter-spacing:-.02em;white-space:nowrap;text-decoration:none}
.brand:hover{color:var(--c-deep)}
.brand-mark{width:30px;height:30px;color:var(--c-main);display:inline-flex;flex:0 0 auto}
.brand-mark svg{width:100%;height:100%}
.main-nav{gap:28px;align-items:center;margin-left:12px;flex:1 1 auto}
.main-nav .nav-link{position:relative;padding:6px 0;font-size:15px;color:var(--c-text-2);font-weight:500;text-decoration:none;background:none;border:0;transition:color var(--ease)}
.main-nav .nav-link::after{content:"";position:absolute;left:0;right:0;bottom:-2px;height:2px;border-radius:2px;background:var(--c-main);transform:scaleX(0);transform-origin:left;transition:transform var(--ease)}
.main-nav .nav-link:hover{color:var(--c-main)}
.main-nav .nav-link.active{color:var(--c-text);font-weight:700}
.main-nav .nav-link.active::after{transform:scaleX(1)}
.header-actions{margin-left:auto;display:flex;align-items:center;gap:14px;flex:0 0 auto}
.nav-search{display:flex;align-items:center;gap:8px;height:38px;padding:0 14px;width:240px;background:#fff;border:1px solid var(--c-line);border-radius:999px;transition:border-color var(--ease),box-shadow var(--ease)}
.nav-search:focus-within{border-color:var(--c-main);box-shadow:0 0 0 3px rgba(217,69,31,.12)}
.nav-search i{color:var(--c-text-3);font-size:15px;line-height:1}
.nav-search input{flex:1 1 auto;min-width:0;border:0;outline:none;background:transparent;font-size:14px;color:var(--c-text);font-family:inherit}
.nav-search input::placeholder{color:var(--c-text-3)}
.nav-login{font-size:15px;color:var(--c-text-2);font-weight:500;text-decoration:none;white-space:nowrap}
.nav-login:hover{color:var(--c-main)}
.nav-toggle{width:42px;height:42px;margin-left:auto;display:inline-flex;align-items:center;justify-content:center;border:1px solid var(--c-line);border-radius:10px;background:#fff;color:var(--c-deep);font-size:22px;line-height:1;transition:var(--ease)}
.nav-toggle:hover{border-color:var(--c-main);color:var(--c-main)}

/* ---------- 按钮 ---------- */
.btn-main,.btn-ghost,.btn-line{display:inline-flex;align-items:center;justify-content:center;gap:8px;font-family:inherit;font-size:15px;font-weight:600;border-radius:var(--r-btn);padding:11px 24px;min-height:46px;cursor:pointer;text-decoration:none;transition:transform var(--ease),background var(--ease),border-color var(--ease),box-shadow var(--ease),color var(--ease)}
.btn-main{background:var(--c-main);border:1px solid var(--c-main);color:#fff}
.btn-main:hover{background:#e1542d;border-color:#e1542d;color:#fff;transform:translateY(-1px);box-shadow:0 14px 30px -14px rgba(217,69,31,.55)}
.btn-main:active{background:var(--c-main-dark);border-color:var(--c-main-dark);transform:translateY(0);box-shadow:none}
.btn-ghost{background:rgba(255,255,255,.04);border:1px solid rgba(255,255,255,.5);color:#fff}
.btn-ghost:hover{background:rgba(255,255,255,.14);border-color:#fff;color:#fff;transform:translateY(-1px)}
.btn-line{background:#fff;border:1px solid var(--c-line);color:var(--c-main);padding:8px 18px;min-height:40px;font-size:14px}
.btn-line:hover{border-color:var(--c-main);background:rgba(217,69,31,.06);color:var(--c-main);transform:translateY(-1px)}
.btn-lg{min-height:52px;padding:14px 30px;font-size:16px}

/* ---------- 首屏 ---------- */
.page-hero{position:relative;overflow:hidden;background:var(--c-deep-2);color:#fff;padding:76px 0 68px}
.page-hero-bg{position:absolute;inset:0;background-size:cover;background-position:center;opacity:.32}
.page-hero::after{content:"";position:absolute;inset:0;background:linear-gradient(102deg,rgba(11,42,38,.94) 0%,rgba(11,42,38,.8) 52%,rgba(15,63,58,.62) 100%)}
.page-hero-inner{position:relative;z-index:2}
.breadcrumb-custom{display:flex;flex-wrap:wrap;align-items:center;gap:8px;margin:0 0 20px;font-size:13.5px;color:rgba(255,255,255,.66)}
.breadcrumb-custom a{color:rgba(255,255,255,.82);text-decoration:none}
.breadcrumb-custom a:hover{color:var(--c-accent)}
.breadcrumb-custom .sep{color:rgba(255,255,255,.4)}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:600;letter-spacing:.1em;color:var(--c-accent);margin-bottom:14px}
.eyebrow::before{content:"";width:22px;height:2px;background:var(--c-accent);border-radius:2px}
.page-hero h1{font-size:clamp(30px,4.4vw,48px);line-height:1.18;color:#fff;max-width:820px}
.hero-sub{margin:18px 0 0;max-width:640px;font-size:16px;line-height:1.8;color:rgba(255,255,255,.8)}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:32px}
.hero-stats{display:flex;flex-wrap:wrap;gap:0;margin-top:44px;border-top:1px solid rgba(255,255,255,.16);padding-top:24px}
.hero-stats>div{padding-right:32px;margin-right:32px;border-right:1px solid rgba(255,255,255,.16)}
.hero-stats>div:last-child{border-right:0;margin-right:0;padding-right:0}
.hero-stats .num{display:block;font-size:24px;font-weight:800;color:var(--c-accent);font-variant-numeric:tabular-nums;letter-spacing:-.02em;line-height:1.3}
.hero-stats .lbl{display:block;font-size:13px;color:rgba(255,255,255,.72)}

/* ---------- 通用板块 ---------- */
.section{padding:96px 0}
.section-alt{background:#fff}
.section-head{max-width:760px;margin-bottom:44px}
.section-head h2{font-size:clamp(24px,3vw,34px);line-height:1.3;position:relative;padding-left:16px;margin-bottom:14px}
.section-head h2::before{content:"";position:absolute;left:0;top:.16em;bottom:.16em;width:4px;border-radius:2px;background:var(--c-deep)}
.section-head p{color:var(--c-text-2);font-size:15.5px;margin:0}
.section-head .head-row{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;flex-wrap:wrap}
.text-link{font-size:14.5px;font-weight:600;color:var(--c-main);display:inline-flex;align-items:center;gap:6px}
.text-link:hover{text-decoration:underline;text-underline-offset:3px}

/* ---------- 保障条 ---------- */
.assure-strip{background:#fff;border-bottom:1px solid var(--c-line)}
.assure-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:0}
.assure-item{display:flex;gap:14px;padding:28px 24px;border-right:1px solid var(--c-line)}
.assure-item:first-child{padding-left:0}
.assure-item:last-child{border-right:0;padding-right:0}
.assure-item i{font-size:22px;color:var(--c-main);line-height:1.2;flex:0 0 auto;margin-top:2px}
.assure-item h3{font-size:15px;margin-bottom:4px;font-weight:700}
.assure-item p{margin:0;font-size:13px;color:var(--c-text-2);line-height:1.7}

/* ---------- 参数表 ---------- */
.table-wrap{background:#fff;border:1px solid var(--c-line);border-radius:var(--r-card);box-shadow:var(--shadow-1);overflow-x:auto}
table.spec-table{width:100%;min-width:820px;border-collapse:collapse;font-size:14.5px}
table.spec-table thead th{background:var(--c-deep);color:#fff;font-weight:700;text-align:left;padding:16px 20px;white-space:nowrap;font-size:14px;letter-spacing:.02em}
table.spec-table tbody td{padding:16px 20px;border-top:1px solid var(--c-line);color:var(--c-text-2);vertical-align:middle}
table.spec-table tbody tr:nth-child(even){background:#FAF8F4}
table.spec-table tbody tr:hover{background:rgba(217,69,31,.045)}
table.spec-table tbody td:first-child{color:var(--c-text);font-weight:700}
table.spec-table .num{font-variant-numeric:tabular-nums;color:var(--c-main);font-weight:700}
.table-note{margin-top:16px;font-size:13px;color:var(--c-text-3);display:flex;align-items:center;gap:8px}
.table-note i{color:var(--c-main)}

/* ---------- 场馆卡片 ---------- */
.venue-card{background:#fff;border:1px solid var(--c-line);border-radius:var(--r-card);overflow:hidden;box-shadow:var(--shadow-1);transition:transform var(--ease),box-shadow var(--ease),border-color var(--ease);height:100%;display:flex;flex-direction:column}
.venue-card:hover{transform:translateY(-2px);border-color:rgba(217,69,31,.3);box-shadow:var(--shadow-2)}
.venue-card-media{position:relative;aspect-ratio:4/3;overflow:hidden;background:rgba(217,69,31,.06)}
.venue-card-media img{width:100%;height:100%;object-fit:cover;transition:transform .4s cubic-bezier(.2,.7,.3,1)}
.venue-card:hover .venue-card-media img{transform:scale(1.03)}
.badge-tag{position:absolute;left:14px;top:14px;display:inline-flex;align-items:center;height:26px;padding:0 12px;border-radius:999px;background:var(--c-accent);color:#3A2A05;font-size:12.5px;font-weight:700;letter-spacing:.02em}
.venue-card-body{padding:22px 24px 24px;display:flex;flex-direction:column;flex:1 1 auto}
.venue-card-body h3{font-size:19px;line-height:1.42;margin-bottom:14px}
.spec-list{margin:0 0 20px;display:flex;flex-direction:column;gap:0}
.spec-list>div{display:flex;justify-content:space-between;gap:16px;padding:9px 0;border-bottom:1px dashed var(--c-line);font-size:14px}
.spec-list>div:last-child{border-bottom:0}
.spec-list dt{color:var(--c-text-3);font-weight:500;flex:0 0 auto}
.spec-list dd{margin:0;color:var(--c-text);font-weight:600;font-variant-numeric:tabular-nums;text-align:right}
.venue-card-foot{margin-top:auto;display:flex;align-items:center;justify-content:space-between;gap:14px;padding-top:4px}
.venue-card-foot .price{font-size:22px;font-weight:800;color:var(--c-main);font-variant-numeric:tabular-nums;letter-spacing:-.02em;line-height:1.2}
.venue-card-foot .price em{font-style:normal;font-size:12.5px;color:var(--c-text-3);font-weight:500;margin-left:4px}

/* ---------- 流程 ---------- */
.step-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.step-card{background:#fff;border:1px solid var(--c-line);border-radius:var(--r-card);padding:26px 22px;box-shadow:var(--shadow-1);transition:var(--ease);height:100%}
.step-card:hover{transform:translateY(-2px);border-color:rgba(217,69,31,.3);box-shadow:var(--shadow-2)}
.step-no{font-size:34px;font-weight:800;color:rgba(217,69,31,.24);line-height:1;font-variant-numeric:tabular-nums;letter-spacing:-.03em;margin-bottom:14px}
.step-card h3{font-size:17px;margin-bottom:8px}
.step-card p{margin:0;font-size:13.5px;color:var(--c-text-2);line-height:1.75}
.step-line{height:1px;background:var(--c-line);margin:34px 0 0}

/* ---------- FAQ ---------- */
.accordion{--bs-accordion-border-color:var(--c-line);--bs-accordion-bg:#fff;--bs-accordion-btn-focus-box-shadow:none;--bs-accordion-border-radius:12px}
.accordion-item{border:1px solid var(--c-line);border-radius:12px!important;margin-bottom:12px;overflow:hidden;background:#fff;box-shadow:var(--shadow-1)}
.accordion-button{font-family:inherit;font-size:16px;font-weight:700;color:var(--c-text);background:#fff;padding:18px 52px 18px 22px;line-height:1.6;border:0;box-shadow:none!important;position:relative}
.accordion-button:not(.collapsed){color:var(--c-deep);background:#fff}
.accordion-button::after{display:none}
.accordion-button::before{content:"+";position:absolute;right:22px;top:50%;transform:translateY(-50%);font-size:20px;font-weight:600;color:var(--c-main);line-height:1;transition:transform var(--ease)}
.accordion-button:not(.collapsed)::before{content:"−"}
.accordion-item:has(.accordion-button:not(.collapsed)){border-color:rgba(217,69,31,.35)}
.accordion-button:not(.collapsed){box-shadow:inset 3px 0 0 var(--c-main)!important}
.accordion-body{padding:2px 22px 20px;font-size:14.5px;line-height:1.85;color:var(--c-text-2)}
.accordion-button:hover{color:var(--c-main)}

/* ---------- 深色 CTA ---------- */
.cta-block{position:relative;overflow:hidden;background:var(--c-deep);border-radius:20px;padding:56px;color:#fff}
.cta-block::before{content:"";position:absolute;right:-80px;top:-60px;width:320px;height:320px;background:rgba(217,69,31,.18);clip-path:polygon(28% 0,100% 0,100% 100%,0 78%);border-radius:24px}
.cta-block::after{content:"";position:absolute;left:-40px;bottom:-70px;width:280px;height:200px;border:1px solid rgba(255,255,255,.14);border-radius:50%}
.cta-inner{position:relative;z-index:2;display:grid;grid-template-columns:1.4fr 1fr;gap:40px;align-items:center}
.cta-block h2{color:#fff;font-size:clamp(22px,2.6vw,30px);line-height:1.35;margin-bottom:12px}
.cta-block p{color:rgba(255,255,255,.78);font-size:14.5px;margin:0 0 18px}
.cta-list{display:flex;flex-wrap:wrap;gap:10px 24px}
.cta-list li{display:flex;align-items:center;gap:8px;font-size:14px;color:rgba(255,255,255,.86)}
.cta-list i{color:var(--c-accent);font-size:16px}
.cta-side{text-align:right}
.cta-side .btn-main{width:100%;min-height:52px;font-size:16px}
.cta-side .note{margin:12px 0 0;font-size:12.5px;color:rgba(255,255,255,.6)}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--c-deep-2);color:#cfd9d6;padding-top:64px;font-size:14px;position:relative;overflow:hidden}
.site-footer::before{content:"";position:absolute;inset:0;background:repeating-linear-gradient(180deg,rgba(255,255,255,.03) 0 2px,transparent 2px 6px);pointer-events:none}
.footer-top{position:relative;z-index:2;display:grid;grid-template-columns:1.6fr 1fr 1fr 1.1fr;gap:40px;padding-bottom:48px}
.footer-brand .brand{color:#fff;margin-bottom:16px}
.footer-brand .brand:hover{color:#fff}
.footer-brand .brand-mark{color:var(--c-accent)}
.footer-brand p{color:#9fb0ad;font-size:13.5px;line-height:1.8;margin:0;max-width:340px}
.footer-col h3{font-size:14px;color:#fff;font-weight:700;margin-bottom:16px;letter-spacing:.02em}
.footer-col ul{display:flex;flex-direction:column;gap:11px}
.footer-col a{color:#9fb0ad;font-size:13.5px;text-decoration:none;transition:color var(--ease)}
.footer-col a:hover{color:var(--c-accent);text-decoration:underline;text-underline-offset:3px}
.footer-meta li{display:flex;align-items:center;gap:9px;color:#9fb0ad;font-size:13.5px}
.footer-meta i{color:var(--c-accent);font-size:15px}
.footer-bottom{position:relative;z-index:2;border-top:1px solid rgba(255,255,255,.1);padding:20px 0 28px;display:flex;flex-wrap:wrap;gap:12px 24px;justify-content:space-between;font-size:13px;color:#8b9c99}
.footer-bottom p{margin:0}

/* ---------- 移动端抽屉 ---------- */
.offcanvas{background:#fff}
.offcanvas-header{border-bottom:1px solid var(--c-line);padding:16px 20px}
.offcanvas-header .brand-text{font-weight:800;color:var(--c-deep);font-size:16px}
.offcanvas-body{padding:20px}
.drawer-nav{display:flex;flex-direction:column;gap:2px;margin-top:22px}
.drawer-nav a{display:flex;align-items:center;justify-content:space-between;padding:14px 4px;font-size:16px;color:var(--c-text-2);font-weight:500;border-bottom:1px solid var(--c-line);text-decoration:none}
.drawer-nav a.active{color:var(--c-main);font-weight:700}
.drawer-nav a i{color:var(--c-text-3);font-size:14px}

/* ---------- 响应式 ---------- */
@media (max-width:1199px){
  .assure-item{padding:24px 18px}
  .nav-search{width:200px}
}
@media (max-width:991px){
  .section{padding:72px 0}
  .page-hero{padding:56px 0 52px}
  .assure-grid{grid-template-columns:repeat(2,1fr)}
  .assure-item{padding:24px 20px}
  .assure-item:nth-child(1){padding-left:0}
  .assure-item:nth-child(2){border-right:0;padding-right:0}
  .assure-item:nth-child(3){padding-left:0;border-top:1px solid var(--c-line)}
  .assure-item:nth-child(4){border-top:1px solid var(--c-line);border-right:0;padding-right:0}
  .step-grid{grid-template-columns:repeat(2,1fr)}
  .cta-block{padding:40px 32px}
  .cta-inner{grid-template-columns:1fr;gap:26px}
  .cta-side{text-align:left}
  .cta-side .btn-main{width:auto;padding-left:32px;padding-right:32px}
  .footer-top{grid-template-columns:1fr 1fr;gap:32px}
  .footer-brand{grid-column:1/-1}
}
@media (max-width:575px){
  .section{padding:48px 0}
  .page-hero{padding:44px 0 42px}
  body{font-size:15.5px;line-height:1.8}
  .hero-actions{flex-direction:column;gap:12px}
  .hero-actions .btn-main,.hero-actions .btn-ghost{width:100%}
  .hero-stats{gap:20px 0}
  .hero-stats>div{padding-right:20px;margin-right:20px}
  .hero-stats .num{font-size:20px}
  .assure-grid{grid-template-columns:1fr}
  .assure-item{border-right:0!important;padding:20px 0!important;border-top:1px solid var(--c-line)}
  .assure-item:first-child{border-top:0;padding-top:8px!important}
  .step-grid{grid-template-columns:1fr}
  .step-card{padding:22px 20px}
  .venue-card-body{padding:20px 18px 22px}
  .accordion-button{font-size:15px;padding:16px 46px 16px 18px}
  .accordion-button::before{right:18px}
  .cta-block{padding:32px 20px;border-radius:16px}
  .cta-side .btn-main{width:100%}
  .footer-top{grid-template-columns:1fr;gap:28px}
  .footer-bottom{flex-direction:column;align-items:flex-start}
}

/* roulang page: category4 */
:root{
  --c-main:#D9451F;
  --c-main-dark:#B33514;
  --c-deep:#0F3F3A;
  --c-deep-2:#0B2A26;
  --c-accent:#FFD24A;
  --c-bg:#F6F4EF;
  --c-surface:#FFFFFF;
  --c-line:#E4DFD5;
  --c-text:#1C1F1E;
  --c-text-2:#5C6661;
  --c-text-3:#8A938E;
  --r-card:14px;
  --r-btn:10px;
  --r-img:12px;
  --r-block:20px;
  --sh-1:0 1px 2px rgba(11,42,38,.06);
  --sh-2:0 14px 30px -14px rgba(11,42,38,.22);
  --tr:.22s cubic-bezier(.2,.7,.3,1);

  --bs-primary:#D9451F;
  --bs-primary-rgb:217,69,31;
  --bs-body-bg:#F6F4EF;
  --bs-body-color:#1C1F1E;
  --bs-border-color:#E4DFD5;
  --bs-border-radius:14px;
  --bs-border-radius-sm:10px;
  --bs-font-sans-serif:"Noto Sans SC","HarmonyOS Sans","PingFang SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  --bs-link-color:#1C1F1E;
  --bs-link-hover-color:#D9451F;
}
*,*::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:16px;
  line-height:1.85;
  color:var(--c-text);
  background:var(--c-bg);
  -webkit-font-smoothing:antialiased;
}
img{display:block;max-width:100%;}
a{color:inherit;text-decoration:none;transition:color var(--tr),border-color var(--tr),background-color var(--tr);}
a:hover{color:var(--c-main);}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4{margin:0;font-weight:800;letter-spacing:-.02em;line-height:1.3;color:var(--c-text);}
p{margin:0 0 1em;}
p:last-child{margin-bottom:0;}
button{font:inherit;}
:focus-visible{outline:2px solid var(--c-main);outline-offset:2px;border-radius:4px;}
.container{max-width:1200px;padding-left:24px;padding-right:24px;margin-left:auto;margin-right:auto;}
@media (max-width:991px){.container{padding-left:20px;padding-right:20px;}}
@media (max-width:576px){.container{padding-left:16px;padding-right:16px;}}

/* ============ header / nav ============ */
.site-header{
  position:sticky;top:0;z-index:1030;
  background:rgba(255,255,255,.94);
  -webkit-backdrop-filter:blur(10px);
  backdrop-filter:blur(10px);
  border-bottom:1px solid var(--c-line);
  transition:box-shadow var(--tr);
}
.site-header.is-scrolled{box-shadow:0 8px 24px -18px rgba(11,42,38,.5);}
.header-inner{display:flex;align-items:center;gap:20px;height:64px;transition:height var(--tr);}
.site-header.is-scrolled .header-inner{height:56px;}
.brand{display:inline-flex;align-items:center;gap:10px;color:var(--c-deep);font-weight:800;font-size:17px;letter-spacing:-.01em;flex:0 0 auto;}
.brand:hover{color:var(--c-main);}
.brand-mark{width:30px;height:30px;display:inline-flex;color:var(--c-main);}
.brand-mark svg{width:100%;height:100%;}
.main-nav{display:flex;align-items:center;gap:2px;margin-left:6px;}
.main-nav .nav-link{
  position:relative;
  padding:8px 13px;
  font-size:15px;
  font-weight:500;
  color:var(--c-text-2);
  border-radius:8px;
  white-space:nowrap;
}
.main-nav .nav-link:hover{color:var(--c-main);background:rgba(217,69,31,.06);}
.main-nav .nav-link.active{color:var(--c-deep);font-weight:700;}
.main-nav .nav-link.active::after{
  content:"";position:absolute;left:13px;right:13px;bottom:0;height:2px;
  border-radius:2px;background:var(--c-main);
}
.header-actions{display:flex;align-items:center;gap:12px;margin-left:auto;}
.nav-search{
  display:flex;align-items:center;gap:8px;
  height:40px;width:236px;padding:0 14px;
  border:1px solid var(--c-line);border-radius:999px;background:#fff;
  transition:border-color var(--tr),box-shadow var(--tr);
}
.nav-search:focus-within{border-color:var(--c-main);box-shadow:0 0 0 3px rgba(217,69,31,.12);}
.nav-search i{color:var(--c-text-3);font-size:17px;}
.nav-search input{border:0;outline:0;background:transparent;width:100%;font-size:14px;color:var(--c-text);}
.nav-search input::placeholder{color:var(--c-text-3);}
.link-login{font-size:15px;font-weight:500;color:var(--c-text-2);}
.link-login:hover{color:var(--c-main);}
.nav-toggle{
  margin-left:auto;width:44px;height:44px;display:inline-flex;align-items:center;justify-content:center;
  border:1px solid var(--c-line);border-radius:10px;background:#fff;color:var(--c-deep);font-size:22px;
  transition:all var(--tr);
}
.nav-toggle:hover{border-color:var(--c-main);color:var(--c-main);}

/* drawer */
.drawer{width:min(88vw,360px);border-left:1px solid var(--c-line);}
.drawer .offcanvas-header{border-bottom:1px solid var(--c-line);padding:16px 20px;}
.drawer-title{font-weight:800;color:var(--c-deep);font-size:16px;}
.drawer-search{width:100%;margin:18px 0 8px;}
.drawer-nav{margin-top:8px;display:flex;flex-direction:column;}
.drawer-nav .nav-link{padding:14px 4px;font-size:16px;font-weight:500;color:var(--c-text);border-bottom:1px solid var(--c-line);border-radius:0;}
.drawer-nav .nav-link:hover{color:var(--c-main);background:transparent;}
.drawer-nav .nav-link.active{color:var(--c-main);font-weight:700;}
.drawer-cta{width:100%;margin-top:22px;}

/* ============ buttons ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:44px;padding:0 22px;border-radius:var(--r-btn);
  font-size:15px;font-weight:600;border:1px solid transparent;
  transition:background-color var(--tr),color var(--tr),border-color var(--tr),transform var(--tr),box-shadow var(--tr);
}
.btn-main{background:var(--c-main);color:#fff;box-shadow:var(--sh-1);}
.btn-main:hover{background:#e2542c;color:#fff;transform:translateY(-1px);box-shadow:var(--sh-2);}
.btn-main:active,.btn-main:focus{background:var(--c-main-dark);color:#fff;transform:none;}
.btn-ghost{border-color:var(--c-line);background:#fff;color:var(--c-deep);}
.btn-ghost:hover{border-color:rgba(217,69,31,.45);background:rgba(217,69,31,.08);color:var(--c-main-dark);}
.btn-light-ghost{border-color:rgba(255,255,255,.5);background:transparent;color:#fff;}
.btn-light-ghost:hover{background:rgba(255,255,255,.14);color:#fff;border-color:rgba(255,255,255,.8);}
.btn-cta-sm{min-height:38px;padding:0 16px;font-size:14px;border-radius:999px;}
.btn-lg-cta{min-height:52px;padding:0 30px;font-size:16px;}

/* ============ hero ============ */
.page-hero{position:relative;overflow:hidden;background:var(--c-deep);color:#fff;padding:56px 0 68px;}
.page-hero::before{
  content:"";position:absolute;inset:0;
  background-image:url(/assets/images/backpic/back-1.webp);
  background-size:cover;background-position:center;opacity:.2;
}
.page-hero::after{
  content:"";position:absolute;right:-140px;top:-90px;width:520px;height:520px;
  border:1px solid rgba(255,255,255,.14);border-radius:50%;
}
.hero-slant{
  position:absolute;left:0;bottom:0;width:36%;height:110px;
  background:rgba(217,69,31,.3);
  clip-path:polygon(0 0,100% 46%,100% 100%,0 100%);
}
.hero-inner{position:relative;z-index:2;}
.crumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13.5px;color:rgba(255,255,255,.68);margin-bottom:22px;}
.crumb a{color:rgba(255,255,255,.84);}
.crumb a:hover{color:#fff;text-decoration:underline;text-underline-offset:3px;}
.crumb .sep{color:rgba(255,255,255,.38);}
.crumb .current{color:rgba(255,255,255,.68);}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;height:28px;padding:0 14px;border-radius:999px;
  background:rgba(255,210,74,.16);color:var(--c-accent);font-size:13px;font-weight:600;letter-spacing:.04em;
}
.page-hero h1{color:#fff;font-size:clamp(30px,4.6vw,52px);line-height:1.18;margin:18px 0 16px;max-width:900px;}
.hero-sub{font-size:clamp(15px,1.6vw,18px);line-height:1.7;color:rgba(255,255,255,.82);max-width:720px;}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:30px;}
.hero-stats{display:flex;flex-wrap:wrap;gap:36px;margin-top:38px;padding-top:26px;border-top:1px solid rgba(255,255,255,.16);}
.hero-stats li{display:flex;flex-direction:column;gap:2px;}
.hero-stats .num{font-size:24px;font-weight:800;color:#fff;font-variant-numeric:tabular-nums;line-height:1.3;}
.hero-stats .lbl{font-size:13px;color:rgba(255,255,255,.68);}

/* ============ guard bar ============ */
.guard-bar{background:#fff;border-bottom:1px solid var(--c-line);}
.guard-list{display:grid;grid-template-columns:repeat(4,1fr);}
.guard-item{display:flex;gap:12px;align-items:flex-start;padding:22px 24px;border-right:1px solid var(--c-line);}
.guard-item:last-child{border-right:0;}
.guard-item i{color:var(--c-main);font-size:20px;line-height:1.4;}
.guard-item h3{font-size:14.5px;font-weight:700;}
.guard-item p{font-size:12.5px;color:var(--c-text-3);line-height:1.6;margin:4px 0 0;}

/* ============ sections ============ */
.section{padding:96px 0;}
.section-alt{background:#fff;}
.section-tight{padding:72px 0;}
.section-head{max-width:780px;margin-bottom:44px;}
.section-tag{display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:700;color:var(--c-main);letter-spacing:.08em;margin-bottom:14px;}
.section-head h2{font-size:clamp(24px,3vw,34px);display:flex;align-items:flex-start;gap:12px;}
.section-head h2::before{content:"";flex:0 0 auto;width:4px;height:24px;margin-top:6px;border-radius:2px;background:var(--c-main);}
.section-head p{margin-top:14px;color:var(--c-text-2);max-width:680px;}

/* steps */
.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;}
.step-card{background:#fff;border:1px solid var(--c-line);border-radius:var(--r-card);padding:30px 26px;box-shadow:var(--sh-1);transition:all var(--tr);}
.step-card:hover{border-color:rgba(217,69,31,.3);transform:translateY(-2px);box-shadow:var(--sh-2);}
.step-num{font-size:40px;font-weight:800;line-height:1;color:rgba(15,63,58,.14);font-variant-numeric:tabular-nums;}
.step-card h3{margin:16px 0 10px;font-size:20px;}
.step-card p{font-size:14.5px;color:var(--c-text-2);margin:0;}

/* route nodes */
.route{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;position:relative;}
.route::before{
  content:"";position:absolute;top:20px;left:30px;right:30px;height:2px;border-radius:2px;
  background:linear-gradient(90deg,rgba(217,69,31,.4),rgba(15,63,58,.16));
}
.node{position:relative;background:#fff;border:1px solid var(--c-line);border-radius:var(--r-card);padding:30px 22px 22px;box-shadow:var(--sh-1);transition:all var(--tr);}
.node::before{
  content:"";position:absolute;top:-9px;left:22px;width:16px;height:16px;border-radius:50%;
  background:#fff;border:3px solid var(--c-main);box-sizing:border-box;
}
.node:hover{transform:translateY(-2px);box-shadow:var(--sh-2);border-color:rgba(217,69,31,.3);}
.node h3{font-size:18px;margin-bottom:12px;}
.tags{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:18px;}
.tag{display:inline-flex;align-items:center;height:26px;padding:0 10px;border-radius:999px;background:rgba(15,63,58,.06);color:var(--c-deep);font-size:12.5px;}
.progress{height:6px;background:rgba(15,63,58,.08);border-radius:999px;overflow:hidden;margin-bottom:10px;}
.progress-bar{background:linear-gradient(90deg,var(--c-main),#E8763F);border-radius:999px;}
.node .pct{font-size:12.5px;color:var(--c-text-3);font-variant-numeric:tabular-nums;}

/* faq accordion */
.faq-wrap{max-width:900px;margin:0 auto;}
.accordion-item{
  border:1px solid var(--c-line);border-radius:var(--r-card)!important;
  background:#fff;margin-bottom:12px;overflow:hidden;box-shadow:var(--sh-1);
}
.accordion-button{
  position:relative;padding:20px 60px 20px 22px;background:#fff;color:var(--c-text);
  font-size:16.5px;font-weight:700;line-height:1.5;border-radius:0!important;box-shadow:none!important;
  transition:color var(--tr),background-color var(--tr);
}
.accordion-button:hover{color:var(--c-main);}
.accordion-button:not(.collapsed){color:var(--c-deep);background:#fff;box-shadow:inset 3px 0 0 var(--c-main)!important;}
.accordion-button::after{display:none;}
.accordion-button::before{
  content:"";position:absolute;right:24px;top:50%;width:14px;height:14px;transform:translateY(-50%);
  background:
    linear-gradient(var(--c-main),var(--c-main)) center/14px 2px no-repeat,
    linear-gradient(var(--c-main),var(--c-main)) center/2px 14px no-repeat;
  transition:transform var(--tr),background var(--tr);
}
.accordion-button:not(.collapsed)::before{
  transform:translateY(-50%) rotate(90deg);
  background:linear-gradient(var(--c-main),var(--c-main)) center/14px 2px no-repeat;
}
.accordion-body{padding:0 22px 22px;font-size:15px;line-height:1.85;color:var(--c-text-2);}
.faq-foot{text-align:center;margin-top:28px;}
.faq-foot a{font-size:15px;font-weight:600;color:var(--c-main);}
.faq-foot a:hover{text-decoration:underline;text-underline-offset:3px;}

/* qa blocks */
.qa-block{display:grid;grid-template-columns:1fr 1fr;gap:52px;align-items:center;}
.qa-block + .qa-block{margin-top:76px;}
.qa-block.reverse .qa-media{order:2;}
.qa-media img{width:100%;aspect-ratio:16/9;object-fit:cover;border-radius:var(--r-img);box-shadow:var(--sh-1);}
.qa-body h3{font-size:clamp(20px,2.2vw,24px);margin-bottom:14px;}
.qa-body p{color:var(--c-text-2);}
.check-list{margin-top:20px;display:grid;gap:12px;}
.check-list li{display:flex;gap:10px;align-items:flex-start;font-size:15px;}
.check-list i{color:var(--c-main);font-size:18px;flex:0 0 auto;margin-top:3px;}

/* prep checklist */
.prep-card{background:#fff;border:1px solid var(--c-line);border-radius:var(--r-block);padding:40px;box-shadow:var(--sh-1);}
.prep-head{max-width:640px;}
.prep-head h2{font-size:clamp(22px,2.6vw,30px);}
.prep-head p{margin-top:12px;color:var(--c-text-2);}
.prep-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin-top:30px;}
.prep-item{display:flex;gap:12px;align-items:flex-start;padding:18px;border:1px solid var(--c-line);border-radius:12px;background:var(--c-bg);transition:all var(--tr);}
.prep-item:hover{border-color:rgba(217,69,31,.3);background:#fff;transform:translateY(-2px);box-shadow:var(--sh-1);}
.prep-item i{color:var(--c-main);font-size:19px;flex:0 0 auto;margin-top:2px;}
.prep-item span{font-size:14.5px;line-height:1.7;}

/* CTA band */
.cta-band{
  position:relative;overflow:hidden;background:var(--c-deep);color:#fff;
  border-radius:var(--r-block);padding:52px 56px;
  display:grid;grid-template-columns:1.35fr 1fr;gap:44px;align-items:center;
}
.cta-band::after{
  content:"";position:absolute;left:-70px;bottom:-90px;width:330px;height:230px;
  background:rgba(217,69,31,.3);clip-path:polygon(0 0,100% 42%,100% 100%,0 100%);
}
.cta-left,.cta-right{position:relative;z-index:2;}
.cta-band h2{color:#fff;font-size:clamp(24px,3vw,32px);}
.cta-band .cta-desc{color:rgba(255,255,255,.78);margin-top:14px;max-width:520px;}
.cta-checks{margin-top:20px;display:grid;gap:10px;}
.cta-checks li{display:flex;gap:10px;align-items:flex-start;font-size:15px;color:rgba(255,255,255,.9);}
.cta-checks i{color:var(--c-accent);font-size:17px;margin-top:3px;}
.cta-right{display:flex;flex-direction:column;gap:14px;}
.cta-note{font-size:12.5px;color:rgba(255,255,255,.6);}

/* ============ footer ============ */
.site-footer{background:var(--c-deep-2);color:rgba(255,255,255,.74);padding:72px 0 28px;position:relative;overflow:hidden;}
.site-footer::before{
  content:"";position:absolute;right:-120px;top:-140px;width:420px;height:420px;
  border:1px solid rgba(255,255,255,.08);border-radius:50%;
}
.site-footer .container{position:relative;z-index:2;}
.footer-top{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:40px;padding-bottom:44px;border-bottom:1px solid rgba(255,255,255,.12);}
.footer-brand .brand{color:#fff;font-size:17px;}
.footer-brand .brand:hover{color:var(--c-accent);}
.footer-brand p{margin-top:16px;font-size:14px;line-height:1.8;color:rgba(255,255,255,.62);max-width:360px;}
.footer-col h3{font-size:15px;font-weight:700;color:#fff;margin-bottom:18px;}
.footer-col ul li{margin-bottom:11px;}
.footer-col ul li:last-child{margin-bottom:0;}
.footer-col a{font-size:14px;color:rgba(255,255,255,.7);}
.footer-col a:hover{color:#fff;text-decoration:underline;text-underline-offset:3px;}
.footer-meta li{display:flex;gap:8px;align-items:flex-start;font-size:14px;color:rgba(255,255,255,.7);}
.footer-meta i{color:var(--c-accent);font-size:15px;margin-top:4px;}
.footer-bottom{display:flex;flex-wrap:wrap;justify-content:space-between;gap:12px;padding-top:22px;font-size:13px;color:rgba(255,255,255,.55);}
.footer-bottom p{margin:0;}

/* ============ responsive ============ */
@media (max-width:1199px){
  .nav-search{width:190px;}
  .main-nav .nav-link{padding:8px 10px;font-size:14.5px;}
}
@media (max-width:991px){
  .section{padding:72px 0;}
  .section-tight{padding:56px 0;}
  .hero-stats{gap:26px;}
  .route{grid-template-columns:repeat(2,1fr);}
  .route::before{display:none;}
  .prep-grid{grid-template-columns:repeat(2,1fr);}
}
@media (max-width:900px){
  .footer-top{grid-template-columns:1fr 1fr;gap:32px;}
  .qa-block{grid-template-columns:1fr;gap:26px;}
  .qa-block.reverse .qa-media{order:0;}
  .qa-block + .qa-block{margin-top:52px;}
  .cta-band{grid-template-columns:1fr;padding:36px 26px;gap:28px;}
}
@media (max-width:768px){
  .section{padding:56px 0;}
  .steps{grid-template-columns:1fr;}
  .guard-list{grid-template-columns:repeat(2,1fr);}
  .guard-item{border-right:0;border-bottom:1px solid var(--c-line);padding:18px 16px;}
  .guard-item:nth-child(2n){border-right:0;}
  .page-hero{padding:44px 0 56px;}
  .hero-stats{gap:22px;margin-top:30px;padding-top:20px;}
  .prep-card{padding:26px 20px;}
}
@media (max-width:576px){
  .hero-actions .btn{flex:1 1 100%;}
  .route{grid-template-columns:1fr;}
  .prep-grid{grid-template-columns:1fr;}
  .footer-top{grid-template-columns:1fr;gap:28px;}
  .footer-bottom{flex-direction:column;gap:8px;}
  .section-head h2{flex-direction:column;gap:8px;}
  .section-head h2::before{height:4px;width:34px;margin-top:0;}
  .accordion-button{font-size:15.5px;padding:18px 54px 18px 18px;}
  .accordion-body{padding:0 18px 20px;}
}