/* roulang page: index */
:root{
  --brand:#FF4E1A;
  --brand-dark:#D93A0C;
  --green:#00A97A;
  --amber:#FFB020;
  --ink:#14181D;
  --body-c:#3C4149;
  --muted:#6B7280;
  --line:#E6E4DF;
  --paper:#F8F7F4;
  --card:#FFFFFF;
  --r-card:14px;
  --r-btn:10px;
  --r-img:12px;
  --sh-1:0 1px 2px rgba(20,24,29,.04), 0 8px 24px rgba(20,24,29,.06);
  --sh-2:0 2px 8px rgba(20,24,29,.07), 0 18px 44px rgba(20,24,29,.11);
  --bs-primary:#FF4E1A;
  --bs-body-bg:#F8F7F4;
  --bs-body-color:#3C4149;
  --bs-font-sans-serif:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  --bs-border-radius:14px;
  --bs-border-color:#E6E4DF;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  background:var(--paper);
  color:var(--body-c);
  font-family:var(--bs-font-sans-serif);
  font-size:16.5px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border-radius:var(--r-img)}
a{color:var(--ink);text-decoration:none;transition:color .22s ease}
a:hover{color:var(--brand)}
h1,h2,h3,h4{color:var(--ink);font-weight:700;letter-spacing:0;margin:0}
h1{font-size:clamp(28px,3.4vw,40px);line-height:1.3}
h2{font-size:clamp(24px,2.6vw,30px);line-height:1.35}
h3{font-size:22px;line-height:1.45}
h4{font-size:18px;line-height:1.5}
p{margin:0 0 1.1em}
ul,ol{margin:0;padding:0;list-style:none}
.num{font-variant-numeric:tabular-nums;font-feature-settings:"tnum"}
.container{max-width:1200px}
@media (min-width:1400px){.container{max-width:1280px}}
section{scroll-margin-top:96px}
.section{padding:80px 0}
.section-alt{background:#fff}
.section-dark{background:var(--ink);color:#D7D9DD}
.section-dark h2,.section-dark h3{color:#fff}
@media (max-width:991px){.section{padding:64px 0}}
@media (max-width:767px){.section{padding:48px 0} .container{padding-left:16px;padding-right:16px}}

/* ---------- 顶部活动条 ---------- */
.topbar{background:var(--ink);border-bottom:1px solid rgba(255,78,26,.45);color:#EDEDEF;font-size:13px;min-height:38px}
.topbar-inner{display:flex;align-items:center;gap:14px;min-height:38px;padding:6px 0}
.topbar-badge{display:inline-flex;align-items:center;gap:6px;background:rgba(255,78,26,.16);color:#FF8A5E;border:1px solid rgba(255,78,26,.5);border-radius:999px;padding:2px 10px;font-size:12px;line-height:1.6;white-space:nowrap}
.topbar-badge i{font-size:10px}
.topbar-text{color:#C9CBCF;flex:1 1 auto;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.countdown{display:flex;align-items:center;gap:4px}
.countdown em{font-style:normal;color:#8A8D93;font-size:12px;margin-right:2px}
.countdown span{display:inline-block;min-width:28px;text-align:center;background:rgba(255,176,32,.14);border:1px solid rgba(255,176,32,.42);color:var(--amber);border-radius:6px;padding:1px 4px;font-size:12px;font-variant-numeric:tabular-nums}
.topbar-link{color:#fff;white-space:nowrap;font-weight:600;border-bottom:1px solid rgba(255,255,255,.35)}
.topbar-link:hover{color:var(--brand);border-color:var(--brand)}
.topbar-close{background:none;border:0;color:#8A8D93;font-size:14px;padding:2px 4px;border-radius:6px;cursor:pointer}
.topbar-close:hover{color:#fff}
@media (max-width:767px){.countdown,.topbar-text{display:none} .topbar-inner{justify-content:space-between} .topbar-text-mobile{display:block;flex:1;color:#C9CBCF;font-size:12.5px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}}
.topbar-text-mobile{display:none}

/* ---------- 导航 ---------- */
.site-header{position:sticky;top:0;z-index:1030;background:#fff;border-bottom:1px solid var(--line);transition:box-shadow .22s ease}
.site-header.is-scrolled{box-shadow:0 6px 22px rgba(20,24,29,.08)}
.nav-inner{display:flex;align-items:center;gap:28px;height:68px}
.brand{display:flex;align-items:center;gap:10px;flex:none}
.brand-mark{width:36px;height:36px;border-radius:10px;background:linear-gradient(135deg,var(--brand),#FF7A4D);color:#fff;display:flex;align-items:center;justify-content:center;font-weight:700;font-size:17px;box-shadow:0 6px 14px rgba(255,78,26,.32)}
.brand-text{display:flex;flex-direction:column;line-height:1.15}
.brand-main{font-size:19px;font-weight:700;color:var(--ink);letter-spacing:.5px}
.brand-sub{font-size:11px;color:var(--muted);letter-spacing:2px}
.nav-menu{display:flex;align-items:center;gap:6px;flex:1 1 auto;margin:0}
.nav-menu a{position:relative;padding:8px 12px;font-size:15px;color:#33383F;border-radius:8px;white-space:nowrap}
.nav-menu a::after{content:"";position:absolute;left:12px;right:12px;bottom:2px;height:2px;background:var(--brand);border-radius:2px;transform:scaleX(0);transform-origin:left;transition:transform .22s ease}
.nav-menu a:hover{color:var(--brand);background:rgba(255,78,26,.06)}
.nav-menu a:hover::after,.nav-menu a.active::after{transform:scaleX(1)}
.nav-menu a.active{color:var(--brand);font-weight:700}
.nav-right{display:flex;align-items:center;gap:12px;flex:none}
.burger{display:none;width:42px;height:42px;border:1px solid var(--line);background:#fff;border-radius:10px;color:var(--ink);font-size:17px}
.burger:hover{border-color:var(--brand);color:var(--brand)}
@media (max-width:991px){
  .nav-inner{height:56px;gap:14px}
  .nav-menu,.nav-right .btn{display:none}
  .burger{display:inline-flex;align-items:center;justify-content:center}
  .nav-right{margin-left:auto}
  .brand-mark{width:32px;height:32px;font-size:15px}
  .brand-main{font-size:17px}
}
.offcanvas{border:0}
.offcanvas-header{border-bottom:1px solid var(--line)}
.offcanvas .nav-drawer a{display:flex;align-items:center;justify-content:space-between;padding:14px 4px;font-size:16px;color:var(--ink);border-bottom:1px solid var(--line)}
.offcanvas .nav-drawer a.active{color:var(--brand);font-weight:700}
.offcanvas .nav-drawer a i{color:var(--muted);font-size:13px}

/* ---------- 按钮 ---------- */
.btn{border-radius:var(--r-btn);font-weight:600;font-size:15px;padding:11px 22px;border:1px solid transparent;transition:all .22s ease;line-height:1.4}
.btn:focus-visible{outline:2px solid var(--brand);outline-offset:2px;box-shadow:none}
.btn-brand{background:var(--brand);color:#fff;box-shadow:inset 0 -2px 0 rgba(0,0,0,.08)}
.btn-brand:hover{background:var(--brand-dark);color:#fff;transform:translateY(-2px);box-shadow:0 10px 24px rgba(255,78,26,.3)}
.btn-brand:active{transform:translateY(0);background:var(--brand-dark)}
.btn-outline-ink{background:transparent;border-color:#C9C7C2;color:var(--ink)}
.btn-outline-ink:hover{background:var(--ink);border-color:var(--ink);color:#fff;transform:translateY(-2px)}
.btn-ghost{background:transparent;border-color:rgba(255,255,255,.55);color:#fff}
.btn-ghost:hover{background:var(--brand);border-color:var(--brand);color:#fff;transform:translateY(-2px)}
.btn-sm{padding:8px 16px;font-size:14px}
.btn-lg{padding:14px 30px;font-size:16px}
.link-more{font-size:14.5px;font-weight:600;color:var(--brand);display:inline-flex;align-items:center;gap:6px}
.link-more:hover{color:var(--brand-dark);gap:10px}

/* ---------- 通用小件 ---------- */
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:600;color:var(--brand);background:rgba(255,78,26,.09);border:1px solid rgba(255,78,26,.22);border-radius:999px;padding:5px 14px;margin-bottom:18px}
.chip{display:inline-flex;align-items:center;gap:6px;font-size:12.5px;padding:3px 11px;border-radius:999px;background:rgba(0,169,122,.1);color:#00815D;border:1px solid rgba(0,169,122,.24);white-space:nowrap}
.chip-amber{background:rgba(255,176,32,.14);color:#9A6600;border-color:rgba(255,176,32,.4)}
.chip-ink{background:rgba(20,24,29,.06);color:#33383F;border-color:var(--line)}
.section-head{max-width:760px;margin-bottom:44px}
.section-head p{color:var(--muted);font-size:16px;margin:14px 0 0}
.section-head-center{margin-left:auto;margin-right:auto;text-align:center}
.icon-badge{width:44px;height:44px;border-radius:12px;background:rgba(255,78,26,.1);color:var(--brand);display:flex;align-items:center;justify-content:center;font-size:18px;flex:none}
.icon-badge.green{background:rgba(0,169,122,.12);color:var(--green)}
.card-soft{background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);box-shadow:var(--sh-1);transition:transform .22s ease,box-shadow .22s ease}
.card-soft:hover{transform:translateY(-2px);box-shadow:var(--sh-2)}

/* ---------- Hero ---------- */
.hero{padding:64px 0 56px;background:linear-gradient(180deg,#FFFFFF 0%,var(--paper) 78%)}
.hero-title{margin-bottom:18px}
.hero-title .hl{color:var(--brand)}
.hero-sub{font-size:17px;color:#4A5058;max-width:560px;margin-bottom:22px;line-height:1.85}
.hero-badges{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:26px}
.hero-cta{display:flex;flex-wrap:wrap;gap:12px}
.hero-visual{position:relative;border-radius:18px;overflow:hidden;box-shadow:var(--sh-2)}
.hero-visual img{width:100%;height:100%;aspect-ratio:16/11;object-fit:cover;border-radius:0}
.hero-visual::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(20,24,29,.15) 0%,rgba(20,24,29,.72) 100%)}
.hero-panel{position:absolute;left:20px;right:20px;bottom:20px;background:rgba(20,24,29,.62);border:1px solid rgba(255,255,255,.14);border-radius:14px;padding:18px 20px;color:#fff;display:grid;grid-template-columns:repeat(3,1fr);gap:14px}
.hero-panel .hp-num{font-size:24px;font-weight:700;color:var(--amber);line-height:1.2;font-variant-numeric:tabular-nums}
.hero-panel .hp-label{font-size:12.5px;color:#C7CACF;margin-top:2px}
@media (max-width:991px){
  .hero{padding:44px 0 40px}
  .hero-visual{margin-top:8px}
  .hero-panel{position:static;border-radius:0;margin:0;background:var(--ink);border:0}
}
@media (max-width:575px){.hero-panel{grid-template-columns:repeat(2,1fr);gap:12px;padding:16px}}

/* ---------- 数据条 ---------- */
.stats-band{background:var(--ink);color:#fff;padding:34px 0}
.stats-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:0}
.stat-item{padding:6px 22px;border-left:1px solid rgba(255,255,255,.12)}
.stat-item:first-child{border-left:0;padding-left:0}
.stat-num{font-size:28px;font-weight:700;color:#fff;font-variant-numeric:tabular-nums;line-height:1.2}
.stat-num span{font-size:15px;font-weight:500;color:var(--amber);margin-left:3px}
.stat-desc{font-size:13.5px;color:#9CA0A6;margin-top:4px}
@media (max-width:767px){
  .stats-grid{grid-template-columns:repeat(2,1fr);gap:22px 0}
  .stat-item{padding:0 16px}
  .stat-item:nth-child(odd){border-left:0;padding-left:0}
}

/* ---------- 价值主张 ---------- */
.value-main{background:#fff;border:1px solid var(--line);border-radius:var(--r-card);padding:34px;height:100%;box-shadow:var(--sh-1);display:flex;flex-direction:column}
.value-main h3{margin:18px 0 12px}
.value-main p{color:var(--muted);font-size:15.5px}
.value-sub{background:#fff;border:1px solid var(--line);border-radius:var(--r-card);padding:24px;box-shadow:var(--sh-1);display:flex;gap:16px;transition:transform .22s ease,box-shadow .22s ease}
.value-sub:hover{transform:translateY(-2px);box-shadow:var(--sh-2)}
.value-sub h4{margin-bottom:6px}
.value-sub p{margin:0;font-size:14.5px;color:var(--muted)}
.value-list{display:flex;flex-direction:column;gap:20px}
.value-points{margin-top:auto;padding-top:18px;border-top:1px dashed var(--line);display:grid;gap:10px}
.value-points li{display:flex;gap:10px;font-size:14.5px;color:#4A5058}
.value-points i{color:var(--green);margin-top:5px}

/* ---------- 功能分组 ---------- */
.seg-wrap{background:#EFEDE8;border-radius:999px;padding:6px;display:inline-flex;flex-wrap:wrap;gap:4px;margin-bottom:34px}
.seg-wrap .nav-link{border:0;border-radius:999px;padding:9px 22px;font-size:14.5px;color:#5A6069;font-weight:600;background:transparent}
.seg-wrap .nav-link:hover{color:var(--brand);background:transparent}
.seg-wrap .nav-link.active{background:#fff;color:var(--brand);box-shadow:var(--sh-1)}
.feat-list{display:flex;flex-direction:column;background:#fff;border:1px solid var(--line);border-radius:var(--r-card);overflow:hidden}
.feat-row{display:flex;gap:20px;align-items:flex-start;padding:22px 26px;border-top:1px solid var(--line);transition:background .22s ease,transform .22s ease}
.feat-row:first-child{border-top:0}
.feat-row:hover{background:#FFF9F6;transform:translateX(2px)}
.feat-no{font-size:15px;font-weight:700;color:var(--brand);flex:none;width:34px;font-variant-numeric:tabular-nums;padding-top:2px}
.feat-body{flex:1}
.feat-body h4{display:flex;align-items:center;gap:10px;flex-wrap:wrap;margin-bottom:6px}
.feat-body h4 i{color:var(--brand);font-size:15px}
.feat-body p{margin:0;font-size:14.5px;color:var(--muted)}
.feat-tag{flex:none}
@media (max-width:575px){
  .feat-row{padding:18px;gap:14px}
  .seg-wrap{border-radius:14px;width:100%}
  .seg-wrap .nav-link{padding:8px 14px;font-size:13.5px}
}

/* ---------- 使用场景 ---------- */
.scene-row{align-items:center}
.scene-media{position:relative;border-radius:var(--r-card);overflow:hidden;box-shadow:var(--sh-1)}
.scene-media img{width:100%;aspect-ratio:4/3;object-fit:cover;border-radius:0}
.scene-media .scene-badge{position:absolute;left:14px;top:14px;background:rgba(255,255,255,.94);color:var(--brand);font-size:12.5px;font-weight:700;border-radius:999px;padding:4px 12px;box-shadow:var(--sh-1)}
.scene-text h3{margin-bottom:14px}
.scene-text>p{color:var(--muted);font-size:15.5px;margin-bottom:18px}
.scene-points{display:grid;gap:12px}
.scene-points li{display:flex;gap:12px;font-size:15px;color:#3F454D}
.scene-points .pt-no{flex:none;width:24px;height:24px;border-radius:7px;background:rgba(0,169,122,.12);color:#00815D;font-size:12.5px;font-weight:700;display:flex;align-items:center;justify-content:center;margin-top:5px}
.scene-gap{margin-top:56px}
@media (max-width:991px){.scene-gap{margin-top:44px} .scene-row>[class*="col-"]+[class*="col-"]{margin-top:22px}}

/* ---------- 成功案例 ---------- */
.case-lead{position:relative;border-radius:var(--r-card);overflow:hidden;box-shadow:var(--sh-1);height:100%;min-height:340px}
.case-lead img{width:100%;height:100%;object-fit:cover;position:absolute;inset:0;border-radius:0}
.case-lead-body{position:relative;z-index:2;height:100%;display:flex;flex-direction:column;justify-content:flex-end;padding:28px;background:linear-gradient(180deg,rgba(20,24,29,.05) 20%,rgba(20,24,29,.88) 100%);color:#fff}
.case-lead-body h3{color:#fff;margin-bottom:10px}
.case-lead-body p{color:#D3D6DA;font-size:15px;margin-bottom:16px}
.case-metrics{display:flex;gap:26px}
.case-metrics .cm-num{font-size:22px;font-weight:700;color:var(--amber);font-variant-numeric:tabular-nums;line-height:1.2}
.case-metrics .cm-label{font-size:12.5px;color:#B9BDC3}
.case-small{display:flex;gap:18px;background:#fff;border:1px solid var(--line);border-radius:var(--r-card);padding:18px;box-shadow:var(--sh-1);transition:transform .22s ease,box-shadow .22s ease}
.case-small:hover{transform:translateY(-2px);box-shadow:var(--sh-2)}
.case-small img{width:120px;height:96px;object-fit:cover;flex:none}
.case-small h4{margin-bottom:6px}
.case-small p{font-size:14px;color:var(--muted);margin-bottom:10px}
.case-small .cm-inline{display:flex;gap:18px;font-size:13px;color:var(--muted)}
.case-small .cm-inline b{color:var(--brand);font-variant-numeric:tabular-nums;font-size:15px}
@media (max-width:575px){.case-small{flex-direction:column} .case-small img{width:100%;height:170px}}

/* ---------- 方案档位 ---------- */
.plan-card{background:#fff;border:1px solid var(--line);border-radius:var(--r-card);padding:30px 26px;height:100%;display:flex;flex-direction:column;transition:transform .22s ease,box-shadow .22s ease}
.plan-card:hover{transform:translateY(-2px);box-shadow:var(--sh-2)}
.plan-card.recommend{border-top:3px solid var(--brand);box-shadow:var(--sh-2);position:relative}
.plan-card.recommend::before{content:"推荐";position:absolute;right:22px;top:-13px;background:var(--amber);color:#4A3000;font-size:12px;font-weight:700;border-radius:999px;padding:3px 12px}
.plan-name{font-size:17px;font-weight:700;color:var(--ink);margin-bottom:6px}
.plan-desc{font-size:13.5px;color:var(--muted);margin-bottom:20px}
.plan-price{font-size:38px;font-weight:700;color:var(--ink);line-height:1.1;font-variant-numeric:tabular-nums}
.plan-price small{font-size:14px;font-weight:500;color:var(--muted);margin-left:4px}
.plan-cycle{font-size:13px;color:var(--muted);margin:6px 0 20px}
.plan-feats{display:grid;gap:11px;padding:20px 0;border-top:1px solid var(--line);margin-bottom:24px}
.plan-feats li{display:flex;gap:10px;font-size:14.5px;color:#42484F}
.plan-feats i{color:var(--green);margin-top:5px;font-size:13px}
.plan-card .btn{margin-top:auto;width:100%}
@media (max-width:991px){.plan-card.recommend{order:-1;margin-bottom:4px}}

/* ---------- 资讯 / 最新信息 ---------- */
.news-card{background:#fff;border:1px solid var(--line);border-radius:var(--r-card);overflow:hidden;height:100%;box-shadow:var(--sh-1);transition:transform .22s ease,box-shadow .22s ease}
.news-card:hover{transform:translateY(-2px);box-shadow:var(--sh-2)}
.news-thumb{position:relative;overflow:hidden}
.news-thumb img{width:100%;aspect-ratio:16/9;object-fit:cover;border-radius:0;transition:transform .3s ease}
.news-card:hover .news-thumb img{transform:scale(1.04)}
.news-body{padding:20px 22px 22px}
.news-body .chip{margin-bottom:12px}
.news-title{font-size:17px;line-height:1.5;font-weight:700;color:var(--ink);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;margin-bottom:10px;min-height:51px}
.news-card:hover .news-title{color:var(--brand)}
.news-sum{font-size:14px;color:var(--muted);line-height:1.75;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;margin-bottom:16px;min-height:49px}
.news-foot{display:flex;align-items:center;justify-content:space-between;border-top:1px solid var(--line);padding-top:14px;font-size:13px;color:var(--muted)}
.news-foot i{color:var(--brand);transition:transform .22s ease}
.news-card:hover .news-foot i{transform:translateX(4px)}
.news-empty{border:1px dashed #D6D3CD;border-radius:var(--r-card);background:#fff;min-height:220px;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:14px;text-align:center;padding:34px}
.news-empty i{font-size:30px;color:#C9C5BE}
.news-empty p{margin:0;color:var(--muted);font-size:15px}

/* ---------- FAQ ---------- */
.faq-accordion .accordion-item{border:0;border-bottom:1px solid var(--line);background:transparent;border-radius:0}
.faq-accordion .accordion-item:first-child{border-top:1px solid var(--line)}
.faq-accordion .accordion-button{background:transparent;font-size:17px;font-weight:700;color:var(--ink);padding:20px 44px 20px 0;box-shadow:none;border-radius:0}
.faq-accordion .accordion-button:not(.collapsed){color:var(--brand);background:transparent;box-shadow:none}
.faq-accordion .accordion-button:focus{box-shadow:none;border-color:transparent}
.faq-accordion .accordion-button::after{content:"+";background-image:none;width:auto;height:auto;font-size:22px;font-weight:600;color:var(--brand);line-height:1;display:flex;align-items:center;justify-content:center;transform:none;position:absolute;right:8px;top:22px;transition:transform .22s ease}
.faq-accordion .accordion-button:not(.collapsed)::after{transform:rotate(45deg)}
.faq-accordion .accordion-body{padding:0 60px 22px 0;font-size:15.5px;color:#4A5058;line-height:1.85}

/* ---------- 底部 CTA ---------- */
.cta-band{position:relative;overflow:hidden;background:var(--ink);color:#fff;padding:66px 0}
.cta-band::before{content:"";position:absolute;inset:0;background-image:url('/assets/images/backpic/back-2.png');background-size:cover;background-position:center;opacity:.22}
.cta-band .container{position:relative;z-index:2}
.cta-band h2{color:#fff;margin-bottom:14px}
.cta-band p{color:#BCC0C6;font-size:15.5px;max-width:620px;margin-bottom:0}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px;justify-content:flex-end}
@media (max-width:991px){.cta-actions{justify-content:flex-start;margin-top:26px}}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--ink);color:#A9ADB3;padding:60px 0 0}
.footer-brand .brand-main{color:#fff}
.footer-brand .brand-sub{color:#7C8288}
.footer-note{font-size:14px;color:#9BA0A6;margin:18px 0 16px;line-height:1.8}
.status-dot{display:inline-flex;align-items:center;gap:8px;font-size:13px;color:#8FD8C0}
.status-dot::before{content:"";width:8px;height:8px;border-radius:50%;background:var(--green);box-shadow:0 0 0 4px rgba(0,169,122,.18)}
.footer-title{font-size:15px;font-weight:700;color:#fff;margin-bottom:16px}
.footer-links li{margin-bottom:11px}
.footer-links a{font-size:14.5px;color:#A9ADB3}
.footer-links a:hover{color:var(--brand)}
.footer-bottom{margin-top:48px;border-top:1px solid rgba(255,255,255,.1);padding:20px 0;font-size:12.5px;color:#7C8288;display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between}
@media (max-width:767px){.site-footer{padding-top:44px}}

/* 通用小工具 */
.gap-16{display:grid;gap:16px}
.mt-24{margin-top:24px}
@media (max-width:575px){
  body{font-size:16px}
  .card-soft,.plan-card{padding:18px}
  .news-body{padding:18px}
  h2{font-size:23px}
}

/* roulang page: article */
:root{
  --brand:#FF4E1A;
  --brand-dark:#D93A0C;
  --brand-soft:rgba(255,78,26,.10);
  --accent:#00A97A;
  --accent-soft:rgba(0,169,122,.12);
  --amber:#FFB020;
  --ink:#14181D;
  --panel-dark:#14181D;
  --text:#3C4149;
  --muted:#6B7280;
  --line:#E6E4DF;
  --bg:#F8F7F4;
  --card:#FFFFFF;
  --radius-card:14px;
  --radius-btn:10px;
  --radius-img:12px;
  --shadow:0 1px 2px rgba(20,24,29,.04),0 8px 24px rgba(20,24,29,.06);
  --shadow-hover:0 2px 6px rgba(20,24,29,.07),0 16px 34px rgba(20,24,29,.12);
  --font:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  --bs-body-font-family:var(--font);
  --bs-body-color:var(--text);
  --bs-body-bg:var(--bg);
  --bs-primary:#FF4E1A;
  --bs-border-color:#E6E4DF;
  --bs-border-radius:10px;
  --bs-link-color:#FF4E1A;
  --bs-link-hover-color:#D93A0C;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:var(--font);
  font-size:16.5px;
  line-height:1.85;
  color:var(--text);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:var(--brand);text-decoration:none;transition:color .22s ease}
a:hover{color:var(--brand-dark)}
ul,ol{margin:0;padding:0;list-style:none}
p{margin:0 0 1.1em}
h1,h2,h3,h4{margin:0;color:var(--ink);font-weight:700;letter-spacing:0}
button{font-family:inherit}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}
@media (min-width:1400px){.container{max-width:1280px}}

/* ---------- 顶部活动条 ---------- */
.top-bar{
  background:var(--panel-dark);
  border-bottom:1px solid rgba(255,78,26,.55);
  color:#F4F2EE;
  font-size:13px;
}
.top-bar-inner{
  min-height:38px;
  display:flex;
  align-items:center;
  gap:14px;
}
.top-badge{
  display:inline-flex;
  align-items:center;
  height:22px;
  padding:0 10px;
  border-radius:999px;
  background:var(--brand);
  color:#fff;
  font-size:12px;
  font-weight:700;
  letter-spacing:.02em;
}
.top-text{
  color:#CFCBC4;
  white-space:nowrap;
  overflow:hidden;
  text-overflow:ellipsis;
}
.countdown{
  margin-left:auto;
  display:flex;
  align-items:center;
  gap:6px;
  font-variant-numeric:tabular-nums;
}
.cd-label{color:#9A958D;font-size:12px;margin-right:2px}
.cd-num{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  min-width:28px;
  height:22px;
  padding:0 6px;
  border-radius:5px;
  background:rgba(255,176,32,.14);
  border:1px solid rgba(255,176,32,.45);
  color:var(--amber);
  font-weight:700;
  font-size:13px;
}
.cd-sep{color:#6B6862}
.top-right{display:flex;align-items:center;gap:12px;margin-left:14px}
.top-link{color:#F4F2EE;font-size:13px;border-bottom:1px dashed rgba(244,242,238,.5)}
.top-link:hover{color:var(--amber)}
.top-close{
  background:none;border:0;color:#8C877F;font-size:18px;line-height:1;
  cursor:pointer;padding:2px 4px;
}
.top-close:hover{color:#fff}

/* ---------- 导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:1030;
  background:#fff;
  border-bottom:1px solid var(--line);
  transition:box-shadow .22s ease;
}
.site-header.is-stuck{box-shadow:0 6px 22px rgba(20,24,29,.08)}
.header-inner{
  height:68px;display:flex;align-items:center;gap:28px;
}
.brand{display:inline-flex;align-items:center;gap:10px;flex:0 0 auto}
.brand-mark{
  width:36px;height:36px;border-radius:11px;
  background:linear-gradient(135deg,var(--brand),#FF7A3C);
  color:#fff;font-weight:800;font-size:18px;
  display:inline-flex;align-items:center;justify-content:center;
  box-shadow:0 6px 16px rgba(255,78,26,.28);
}
.brand-text{display:flex;flex-direction:column;line-height:1.15}
.brand-main{color:var(--ink);font-weight:800;font-size:17px;letter-spacing:.01em}
.brand-sub{color:var(--muted);font-size:11px;letter-spacing:.18em}
.nav-menu{display:flex;align-items:center;gap:26px;margin-left:8px}
.nav-menu a{
  position:relative;
  color:var(--text);
  font-size:15px;
  padding:6px 0;
}
.nav-menu a::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:2px;
  background:var(--brand);border-radius:2px;transform:scaleX(0);
  transform-origin:left;transition:transform .22s ease;
}
.nav-menu a:hover{color:var(--brand)}
.nav-menu a:hover::after{transform:scaleX(1)}
.nav-menu a.active{color:var(--brand);font-weight:700}
.nav-menu a.active::after{transform:scaleX(1)}
.header-actions{margin-left:auto;display:flex;align-items:center;gap:14px}
.btn-primary-cta{
  display:inline-flex;align-items:center;gap:8px;
  height:40px;padding:0 20px;border-radius:var(--radius-btn);
  background:var(--brand);color:#fff;font-size:14px;font-weight:700;
  border:1px solid var(--brand);
  box-shadow:0 1px 0 rgba(255,255,255,.25) inset,0 8px 18px rgba(255,78,26,.24);
  transition:background .22s ease,transform .22s ease,box-shadow .22s ease;
}
.btn-primary-cta:hover{background:var(--brand-dark);color:#fff;transform:translateY(-2px);box-shadow:0 12px 24px rgba(217,58,12,.28)}
.btn-primary-cta:active{transform:translateY(0)}
.btn-ghost{
  display:inline-flex;align-items:center;gap:8px;
  height:44px;padding:0 22px;border-radius:var(--radius-btn);
  border:1px solid var(--ink);color:var(--ink);font-weight:700;font-size:15px;
  background:transparent;transition:all .22s ease;
}
.btn-ghost:hover{background:var(--ink);color:#fff}
.btn-ghost-light{
  display:inline-flex;align-items:center;gap:8px;
  height:46px;padding:0 24px;border-radius:var(--radius-btn);
  border:1px solid rgba(255,255,255,.6);color:#fff;font-weight:700;font-size:15px;
  transition:all .22s ease;
}
.btn-ghost-light:hover{background:var(--brand);border-color:var(--brand);color:#fff}
.nav-toggle{
  display:none;width:42px;height:42px;border:1px solid var(--line);
  border-radius:10px;background:#fff;padding:0;
  flex-direction:column;align-items:center;justify-content:center;gap:4px;cursor:pointer;
}
.nav-toggle span{width:18px;height:2px;background:var(--ink);border-radius:2px;display:block}
.nav-toggle:hover{border-color:var(--brand)}

/* 移动端面板 */
.mobile-panel{width:320px !important;background:#fff}
.mobile-panel .offcanvas-header{border-bottom:1px solid var(--line);padding:16px 20px}
.mobile-panel .offcanvas-body{padding:20px}
.mobile-cta{
  display:flex;align-items:center;justify-content:center;
  height:46px;border-radius:var(--radius-btn);
  background:var(--brand);color:#fff;font-weight:700;margin-bottom:20px;
}
.mobile-cta:hover{background:var(--brand-dark);color:#fff}
.mobile-links{display:flex;flex-direction:column}
.mobile-links a{
  color:var(--ink);font-size:16px;padding:14px 4px;
  border-bottom:1px solid var(--line);
}
.mobile-links a:hover,.mobile-links a.active{color:var(--brand)}
.mobile-status{
  margin-top:22px;font-size:13px;color:var(--accent);
  display:flex;align-items:center;gap:8px;
}

/* ---------- 面包屑 ---------- */
.breadcrumb-list{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px;
  font-size:13px;color:var(--muted);padding:22px 0 0;
}
.breadcrumb-list li{display:flex;align-items:center;gap:8px}
.breadcrumb-list li+li::before{content:"›";color:#B9B5AE}
.breadcrumb-list a{color:var(--muted)}
.breadcrumb-list a:hover{color:var(--brand)}
.breadcrumb-list .current{color:var(--brand);font-weight:600}

/* ---------- 文章头 ---------- */
.article-hero{padding:0 0 40px;background:var(--bg)}
.article-cat{
  display:inline-flex;align-items:center;height:26px;padding:0 12px;
  border-radius:999px;background:var(--accent-soft);color:var(--accent);
  font-size:13px;font-weight:700;margin-bottom:16px;
}
.article-head h1{
  font-size:clamp(28px,3.4vw,40px);
  line-height:1.3;
  margin-bottom:18px;
  max-width:900px;
}
.article-meta{
  display:flex;flex-wrap:wrap;align-items:center;gap:12px;
  font-size:13px;color:var(--muted);font-variant-numeric:tabular-nums;
}
.article-meta .dot{width:4px;height:4px;border-radius:50%;background:#CFCBC4}
.article-cover{
  margin:32px 0 0;border-radius:var(--radius-img);
  overflow:hidden;border:1px solid var(--line);background:#fff;
}
.article-cover img{width:100%;aspect-ratio:16/9;object-fit:cover}

/* ---------- 正文 ---------- */
.article-main{padding:24px 0 80px}
.article-body{
  max-width:760px;margin:0 auto;
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  box-shadow:var(--shadow);
  padding:40px 44px;
}
.article-body p{font-size:16.5px;line-height:1.9;color:var(--text)}
.article-body h2{
  font-size:22px;line-height:1.4;color:var(--ink);
  border-left:3px solid var(--brand);
  padding-left:14px;margin:38px 0 16px;
}
.article-body h2:first-child{margin-top:0}
.article-body h3{font-size:18px;margin:26px 0 12px;color:var(--ink)}
.article-body h4{font-size:16.5px;margin:20px 0 10px;color:var(--ink)}
.article-body ul,.article-body ol{margin:0 0 1.2em;padding-left:22px}
.article-body ul{list-style:disc}
.article-body ol{list-style:decimal}
.article-body li{margin-bottom:.5em;line-height:1.85}
.article-body blockquote{
  margin:24px 0;padding:16px 20px;background:#F5F3EF;
  border-left:3px solid var(--brand);border-radius:0 var(--radius-card) var(--radius-card) 0;
  color:#4A4F57;
}
.article-body blockquote p:last-child{margin-bottom:0}
.article-body img{border-radius:var(--radius-img);margin:22px 0 8px;border:1px solid var(--line)}
.article-body figcaption,.article-body .caption{font-size:13px;color:var(--muted);text-align:center;margin-bottom:22px}
.article-body table{
  width:100%;border-collapse:collapse;margin:22px 0;font-size:15px;
  border:1px solid var(--line);border-radius:var(--radius-img);overflow:hidden;
}
.article-body th{
  background:var(--ink);color:#fff;font-weight:700;text-align:left;
  padding:12px 14px;font-size:14px;
}
.article-body td{padding:12px 14px;border-top:1px solid var(--line);color:var(--text)}
.article-body tbody tr:nth-child(even){background:#FBFAF8}
.article-body .info-card{
  background:#FFF7EE;border:1px solid #FFE0BE;border-radius:var(--radius-card);
  padding:18px 20px;margin:24px 0;
}
.article-body .info-card strong{color:var(--brand-dark)}
.article-body a{border-bottom:1px solid rgba(255,78,26,.4)}
.article-body hr{border:0;border-top:1px solid var(--line);margin:32px 0}

/* 空态 */
.article-empty{
  max-width:760px;margin:0 auto;text-align:center;
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius-card);
  padding:64px 32px;box-shadow:var(--shadow);
}
.article-empty .empty-mark{
  width:56px;height:56px;margin:0 auto 18px;border-radius:16px;
  background:var(--brand-soft);color:var(--brand);font-size:26px;font-weight:800;
  display:flex;align-items:center;justify-content:center;
}
.article-empty h2{font-size:22px;margin-bottom:10px}
.article-empty p{color:var(--muted);margin-bottom:22px}

/* 标签行 */
.tag-row{
  max-width:760px;margin:28px auto 0;display:flex;flex-wrap:wrap;
  align-items:center;gap:10px;
}
.tag-row .tag-label{font-size:13px;color:var(--muted);margin-right:2px}
.tag-row a{
  display:inline-flex;align-items:center;height:30px;padding:0 14px;
  border-radius:999px;border:1px solid var(--line);background:#fff;
  color:var(--text);font-size:13px;transition:all .22s ease;
}
.tag-row a:hover{border-color:var(--brand);color:var(--brand);transform:translateY(-2px)}

/* 上/下篇 */
.post-nav{
  max-width:760px;margin:32px auto 0;
  display:grid;grid-template-columns:1fr 1fr;gap:16px;
}
.post-nav-item{
  display:flex;flex-direction:column;gap:6px;
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius-card);
  padding:18px 20px;box-shadow:var(--shadow);
  transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
}
.post-nav-item:hover{transform:translateY(-2px);box-shadow:var(--shadow-hover);border-color:#D9D5CE}
.pn-label{font-size:12px;color:var(--muted);letter-spacing:.08em}
.pn-title{font-size:15px;font-weight:700;color:var(--ink)}
.post-nav-item.next{text-align:right;align-items:flex-end}
.post-nav-item:hover .pn-title{color:var(--brand)}

/* ---------- 相关推荐 ---------- */
.related{padding:72px 0;background:#FBFAF8;border-top:1px solid var(--line)}
.section-head{margin-bottom:34px;max-width:760px}
.section-head .eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:700;color:var(--accent);letter-spacing:.06em;margin-bottom:10px;
}
.section-head .eyebrow::before{content:"";width:16px;height:2px;background:var(--accent);border-radius:2px}
.section-head h2{font-size:clamp(22px,2.6vw,30px);line-height:1.35;margin-bottom:10px}
.section-head p{color:var(--muted);font-size:15px;margin:0;max-width:640px}
.card-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px}
.info-card-item{
  display:flex;flex-direction:column;height:100%;
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius-card);
  overflow:hidden;box-shadow:var(--shadow);
  transition:transform .22s ease,box-shadow .22s ease;
}
.info-card-item:hover{transform:translateY(-2px);box-shadow:var(--shadow-hover)}
.info-card-item .thumb{width:100%;aspect-ratio:16/9;overflow:hidden;background:#EFEDE9}
.info-card-item .thumb img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease}
.info-card-item:hover .thumb img{transform:scale(1.04)}
.info-card-item .body{padding:22px 22px 20px;display:flex;flex-direction:column;flex:1}
.chip{
  align-self:flex-start;display:inline-flex;align-items:center;height:24px;padding:0 10px;
  border-radius:999px;background:var(--accent-soft);color:var(--accent);
  font-size:12px;font-weight:700;margin-bottom:12px;
}
.info-card-item h3{font-size:18px;line-height:1.45;margin-bottom:10px}
.info-card-item:hover h3{color:var(--brand)}
.info-card-item .desc{
  font-size:14.5px;line-height:1.75;color:var(--muted);margin-bottom:16px;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.info-card-item .foot{
  margin-top:auto;display:flex;align-items:center;justify-content:space-between;
  font-size:13px;color:var(--muted);border-top:1px solid var(--line);padding-top:14px;
}
.info-card-item .foot .arrow{color:var(--brand);font-weight:700}

/* ---------- 返回入口 ---------- */
.back-entry{
  background:var(--panel-dark);color:#fff;padding:56px 0;
  position:relative;overflow:hidden;
}
.back-entry::before{
  content:"";position:absolute;inset:0;
  background:url(/assets/images/backpic/back-1.png) center/cover no-repeat;
  opacity:.12;
}
.back-entry .container{position:relative;display:flex;flex-wrap:wrap;align-items:center;gap:22px;justify-content:space-between}
.back-entry h2{color:#fff;font-size:clamp(20px,2.4vw,26px);margin-bottom:8px}
.back-entry p{color:#B9B4AC;margin:0;font-size:15px;max-width:620px}
.back-actions{display:flex;gap:14px;flex-wrap:wrap}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--panel-dark);color:#B9B4AC;padding:64px 0 0;font-size:14.5px}
.footer-brand{margin-bottom:16px}
.footer-brand .brand-main{color:#fff}
.footer-brand .brand-sub{color:#8C877F}
.footer-note{color:#9A958D;font-size:14px;line-height:1.8;margin:0 0 16px;max-width:360px}
.status-dot{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;color:var(--accent);
}
.status-dot::before{
  content:"";width:8px;height:8px;border-radius:50%;background:var(--accent);
  box-shadow:0 0 0 4px rgba(0,169,122,.16);
}
.footer-title{color:#fff;font-weight:700;font-size:15px;margin-bottom:16px}
.footer-links li{margin-bottom:10px}
.footer-links a{color:#9A958D;font-size:14px}
.footer-links a:hover{color:var(--brand)}
.footer-bottom{
  margin-top:48px;border-top:1px solid rgba(255,255,255,.09);
  padding:20px 0 26px;display:flex;flex-wrap:wrap;gap:10px;
  justify-content:space-between;font-size:12.5px;color:#8C877F;
}

/* ---------- 响应式 ---------- */
@media (max-width:1199.98px){
  .nav-menu{gap:20px}
}
@media (max-width:991.98px){
  .nav-menu{display:none}
  .nav-toggle{display:flex}
  .header-inner{height:56px}
  .brand-mark{width:32px;height:32px;font-size:16px}
  .brand-main{font-size:16px}
  .btn-primary-cta{display:none}
  .article-body{padding:32px 26px}
  .card-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .countdown{display:none}
  .top-text{font-size:12.5px}
}
@media (max-width:767.98px){
  body{font-size:16px}
  .container{padding:0 16px}
  .article-hero{padding-bottom:28px}
  .article-main{padding-bottom:56px}
  .article-body{padding:26px 18px;border-radius:12px}
  .article-body h2{font-size:20px}
  .card-grid{grid-template-columns:1fr}
  .post-nav{grid-template-columns:1fr}
  .post-nav-item.next{text-align:left;align-items:flex-start}
  .related{padding:56px 0}
  .top-text{display:none}
  .top-bar-inner{min-height:36px}
  .back-entry{padding:44px 0}
  .footer-bottom{justify-content:flex-start}
}
@media (max-width:575.98px){
  .article-head h1{font-size:26px}
  .article-body{padding:22px 16px}
  .article-body p{font-size:16px}
  .info-card-item .body{padding:18px}
  .brand-sub{display:none}
}

/* roulang page: category1 */
:root{
  --bs-primary: #FF4E1A;
  --bs-primary-rgb: 255,78,26;
  --brand: #FF4E1A;
  --brand-dark: #D93A0C;
  --accent: #00A97A;
  --gold: #FFB020;
  --ink: #14181D;
  --text: #3C4149;
  --muted: #6B7280;
  --line: #E6E4DF;
  --bg: #F8F7F4;
  --card: #FFFFFF;
  --radius-card: 14px;
  --radius-btn: 10px;
  --radius-img: 12px;
  --shadow: 0 1px 2px rgba(20,24,29,.04), 0 8px 24px rgba(20,24,29,.06);
  --shadow-hover: 0 2px 6px rgba(20,24,29,.06), 0 16px 36px rgba(20,24,29,.12);
  --ease: .22s ease;
}
*{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  font-size:16.5px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;height:auto;display:block;}
a{color:inherit;text-decoration:none;transition:color var(--ease);}
a:hover{color:var(--brand);}
ul{list-style:none;margin:0;padding:0;}
h1,h2,h3,h4{margin:0;color:var(--ink);font-weight:700;letter-spacing:0;line-height:1.35;}
p{margin:0 0 1.1em;}
button,input{font-family:inherit;}
.nums{font-variant-numeric:tabular-nums;font-feature-settings:"tnum";}
.container{max-width:1200px;padding-left:24px;padding-right:24px;margin:0 auto;}
@media (min-width:1400px){.container{max-width:1280px;}}
@media (max-width:575.98px){.container{padding-left:16px;padding-right:16px;}}

/* ---------- 顶部活动条 ---------- */
.promo-bar{
  background:var(--ink);
  color:#fff;
  border-bottom:1px solid rgba(255,78,26,.45);
  font-size:13.5px;
  min-height:38px;
}
.promo-inner{
  display:flex;align-items:center;gap:16px;
  min-height:38px;padding:6px 0;
}
.promo-badge{
  display:inline-flex;align-items:center;gap:6px;
  background:var(--brand);color:#fff;
  padding:2px 10px;border-radius:999px;
  font-size:12px;font-weight:700;letter-spacing:.04em;
  white-space:nowrap;
}
.promo-text{color:rgba(255,255,255,.86);white-space:nowrap;overflow:hidden;text-overflow:ellipsis;}
.promo-count{
  display:flex;align-items:center;gap:5px;margin-left:auto;
  color:rgba(255,255,255,.7);font-size:12.5px;white-space:nowrap;
}
.promo-count .cell{
  background:rgba(255,255,255,.10);
  border:1px solid rgba(255,255,255,.16);
  border-radius:6px;
  padding:1px 7px;
  color:var(--gold);
  font-weight:700;
  font-variant-numeric:tabular-nums;
}
.promo-link{color:var(--gold);font-weight:600;white-space:nowrap;}
.promo-link:hover{color:#fff;}
.promo-close{
  background:transparent;border:0;color:rgba(255,255,255,.6);
  font-size:14px;line-height:1;cursor:pointer;padding:4px 2px;
}
.promo-close:hover{color:#fff;}
@media (max-width:991.98px){.promo-count{display:none;}}
@media (max-width:575.98px){.promo-text{font-size:12.5px;}.promo-badge{font-size:11px;}}

/* ---------- 导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:1030;
  background:#fff;
  border-bottom:1px solid var(--line);
  transition:box-shadow var(--ease);
}
.site-header.is-stuck{box-shadow:0 6px 20px rgba(20,24,29,.07);}
.header-inner{
  display:flex;align-items:center;gap:28px;
  height:68px;
}
.brand{display:flex;align-items:center;gap:10px;flex-shrink:0;}
.brand-mark{
  width:38px;height:38px;border-radius:11px;
  background:linear-gradient(140deg,var(--brand),#FF7A3D);
  color:#fff;font-weight:800;font-size:19px;
  display:flex;align-items:center;justify-content:center;
  box-shadow:0 4px 12px rgba(255,78,26,.32);
}
.brand-text{display:flex;flex-direction:column;line-height:1.12;}
.brand-main{font-size:17.5px;font-weight:800;color:var(--ink);letter-spacing:.02em;}
.brand-sub{font-size:11.5px;color:var(--brand);font-weight:700;letter-spacing:.16em;}
.nav-menu{display:flex;align-items:center;gap:26px;margin-left:8px;}
.nav-menu a{
  position:relative;
  font-size:15.5px;color:var(--text);font-weight:600;
  padding:6px 0;
}
.nav-menu a::after{
  content:"";position:absolute;left:0;right:0;bottom:-14px;height:2px;
  background:var(--brand);transform:scaleX(0);transform-origin:left;
  transition:transform var(--ease);
}
.nav-menu a:hover{color:var(--brand);}
.nav-menu a:hover::after{transform:scaleX(1);}
.nav-menu a.active{color:var(--brand);font-weight:800;}
.nav-menu a.active::after{transform:scaleX(1);}
.header-actions{display:flex;align-items:center;gap:12px;margin-left:auto;}
.btn-brand{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  background:var(--brand);color:#fff;
  border:1px solid var(--brand);
  border-radius:var(--radius-btn);
  padding:10px 22px;
  font-size:15px;font-weight:700;
  box-shadow:inset 0 -2px 0 rgba(0,0,0,.10), 0 6px 16px rgba(255,78,26,.24);
  transition:all var(--ease);
}
.btn-brand:hover{background:var(--brand-dark);border-color:var(--brand-dark);color:#fff;transform:translateY(-1px);}
.btn-brand:active{transform:translateY(0);box-shadow:inset 0 2px 6px rgba(0,0,0,.18);}
.btn-brand:focus-visible{outline:2px solid var(--brand);outline-offset:3px;}
.btn-ghost-line{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  background:transparent;color:var(--ink);
  border:1px solid var(--ink);
  border-radius:var(--radius-btn);
  padding:10px 22px;font-size:15px;font-weight:700;
  transition:all var(--ease);
}
.btn-ghost-line:hover{background:var(--ink);color:#fff;}
.btn-ghost-line:focus-visible{outline:2px solid var(--brand);outline-offset:3px;}
.nav-toggle{
  display:none;width:42px;height:42px;border-radius:10px;
  border:1px solid var(--line);background:#fff;color:var(--ink);
  align-items:center;justify-content:center;font-size:17px;cursor:pointer;
}
.nav-toggle:hover{border-color:var(--brand);color:var(--brand);}
@media (max-width:991.98px){
  .header-inner{height:56px;gap:14px;}
  .nav-menu{display:none;}
  .nav-toggle{display:inline-flex;}
  .header-cta{display:none;}
  .brand-mark{width:34px;height:34px;font-size:17px;border-radius:10px;}
  .brand-main{font-size:16px;}
  .brand-sub{font-size:10.5px;}
}
.offcanvas{background:#fff;max-width:82vw;}
.offcanvas .offcanvas-header{border-bottom:1px solid var(--line);}
.offcanvas-menu a{
  display:block;padding:14px 4px;font-size:16.5px;font-weight:600;color:var(--ink);
  border-bottom:1px solid var(--line);
}
.offcanvas-menu a.active{color:var(--brand);font-weight:800;}
.offcanvas-menu a:hover{color:var(--brand);}
.offcanvas .btn-brand{width:100%;margin-top:18px;}

/* ---------- 面包屑 ---------- */
.crumb-wrap{padding:22px 0 0;}
.crumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--muted);}
.crumb li{display:flex;align-items:center;gap:8px;}
.crumb li+li::before{content:"›";color:#B9B6AF;}
.crumb a{color:var(--muted);}
.crumb a:hover{color:var(--brand);}
.crumb .current{color:var(--brand);font-weight:700;}

/* ---------- 分类 H1 区 ---------- */
.cat-hero{padding:30px 0 56px;}
.cat-hero-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:48px;align-items:center;}
.cat-eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:700;color:var(--accent);
  background:rgba(0,169,122,.10);
  border-radius:999px;padding:5px 14px;margin-bottom:18px;
}
.cat-hero h1{
  font-size:clamp(28px,3.4vw,40px);
  line-height:1.3;
  margin-bottom:16px;
}
.cat-hero h1 em{font-style:normal;color:var(--brand);}
.cat-hero .lead{
  font-size:16.5px;color:var(--text);max-width:560px;margin-bottom:22px;
}
.tag-row{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:26px;}
.tag-pill{
  display:inline-flex;align-items:center;gap:6px;
  background:#fff;border:1px solid var(--line);
  border-radius:999px;padding:5px 14px;
  font-size:13px;color:var(--text);font-weight:600;
  box-shadow:0 1px 2px rgba(20,24,29,.03);
}
.tag-pill i{color:var(--accent);font-size:11px;}
.cat-hero-cta{display:flex;flex-wrap:wrap;gap:12px;}
.cat-hero-media{position:relative;border-radius:var(--radius-img);overflow:hidden;border:1px solid var(--line);box-shadow:var(--shadow);aspect-ratio:16/9;}
.cat-hero-media img{width:100%;height:100%;object-fit:cover;}
.cat-hero-media .media-mask{
  position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(20,24,29,0) 40%,rgba(20,24,29,.72));
}
.cat-hero-media .media-card{
  position:absolute;left:16px;right:16px;bottom:16px;
  display:flex;gap:24px;
  background:rgba(255,255,255,.94);
  border-radius:var(--radius-img);
  padding:14px 18px;
}
.media-card .num{font-size:22px;font-weight:800;color:var(--brand);line-height:1.2;}
.media-card .lab{font-size:12px;color:var(--muted);}
@media (max-width:991.98px){
  .cat-hero{padding:22px 0 42px;}
  .cat-hero-grid{grid-template-columns:1fr;gap:28px;}
}

/* ---------- 锚点布局 ---------- */
.anchor-layout{display:grid;grid-template-columns:3.2fr 8.8fr;gap:44px;align-items:start;}
.anchor-nav{
  position:sticky;top:96px;
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-card);
  padding:20px 18px;box-shadow:var(--shadow);
}
.anchor-nav .title{
  font-size:13px;font-weight:700;color:var(--muted);letter-spacing:.08em;
  margin-bottom:12px;text-transform:uppercase;
}
.anchor-nav a{
  display:flex;gap:10px;align-items:flex-start;
  padding:10px 10px;border-radius:10px;
  font-size:14.5px;color:var(--text);font-weight:600;line-height:1.5;
}
.anchor-nav a .idx{
  flex:0 0 22px;height:22px;border-radius:6px;
  background:var(--bg);color:var(--muted);
  font-size:12px;font-weight:800;display:flex;align-items:center;justify-content:center;
  font-variant-numeric:tabular-nums;
}
.anchor-nav a:hover{background:#FBF5F2;color:var(--brand);}
.anchor-nav a.is-active{background:#FFF2EC;color:var(--brand);}
.anchor-nav a.is-active .idx{background:var(--brand);color:#fff;}
.anchor-nav .side-note{
  margin-top:16px;padding-top:16px;border-top:1px solid var(--line);
  font-size:12.5px;color:var(--muted);line-height:1.75;
}
@media (max-width:991.98px){
  .anchor-layout{grid-template-columns:1fr;gap:28px;}
  .anchor-nav{position:static;}
  .anchor-nav ul{display:grid;grid-template-columns:1fr 1fr;gap:4px;}
}
@media (max-width:575.98px){.anchor-nav ul{grid-template-columns:1fr;}}

/* ---------- 内容小节 ---------- */
.content-sec{margin-bottom:56px;scroll-margin-top:96px;}
.sec-head{display:flex;align-items:baseline;gap:14px;margin-bottom:8px;}
.sec-head h2{
  font-size:clamp(21px,2.3vw,27px);
  padding-left:14px;border-left:3px solid var(--brand);line-height:1.35;
}
.sec-desc{color:var(--muted);font-size:15px;margin:0 0 22px;padding-left:17px;max-width:720px;}
.feature-list{background:#fff;border:1px solid var(--line);border-radius:var(--radius-card);overflow:hidden;box-shadow:var(--shadow);}
.feature-row{
  display:grid;grid-template-columns:52px 1fr auto;gap:18px;align-items:center;
  padding:20px 24px;border-bottom:1px solid var(--line);
  transition:background var(--ease),transform var(--ease);
}
.feature-row:last-child{border-bottom:0;}
.feature-row:hover{background:#FCFAF7;transform:translateX(2px);}
.feature-row .fnum{
  font-size:15px;font-weight:800;color:var(--brand);
  font-variant-numeric:tabular-nums;
  background:#FFF2EC;border-radius:8px;height:34px;
  display:flex;align-items:center;justify-content:center;
}
.feature-row h3{font-size:17px;margin-bottom:4px;}
.feature-row p{margin:0;font-size:14.5px;color:var(--muted);line-height:1.7;}
.status-tag{
  display:inline-flex;align-items:center;gap:6px;
  font-size:12.5px;font-weight:700;color:var(--accent);
  background:rgba(0,169,122,.10);border-radius:999px;padding:5px 12px;white-space:nowrap;
}
.status-tag.gold{color:#9A6600;background:rgba(255,176,32,.16);}
.status-tag .dot{width:6px;height:6px;border-radius:50%;background:currentColor;}
@media (max-width:767.98px){
  .feature-row{grid-template-columns:42px 1fr;gap:14px;padding:18px;}
  .feature-row .status-tag{grid-column:2;justify-self:start;margin-top:8px;}
}

/* ---------- 对比表 ---------- */
.compare-wrap{margin-top:34px;background:#fff;border:1px solid var(--line);border-radius:var(--radius-card);overflow:hidden;box-shadow:var(--shadow);}
.compare-head{padding:20px 24px 6px;}
.compare-head h3{font-size:18px;}
.compare-head p{margin:6px 0 0;font-size:13.5px;color:var(--muted);}
.table-scroll{overflow-x:auto;}
table.cmp{width:100%;border-collapse:collapse;min-width:560px;}
table.cmp thead th{
  background:var(--ink);color:#fff;font-size:13.5px;font-weight:700;
  padding:13px 18px;text-align:left;white-space:nowrap;
}
table.cmp thead th:not(:first-child){text-align:center;}
table.cmp tbody td{
  padding:14px 18px;font-size:14.5px;color:var(--text);
  border-bottom:1px solid var(--line);
  font-variant-numeric:tabular-nums;
}
table.cmp tbody tr:last-child td{border-bottom:0;}
table.cmp tbody tr:hover{background:#FCFAF7;}
table.cmp tbody td:not(:first-child){text-align:center;}
.yes{color:var(--accent);font-weight:700;}
.no{color:#B9B6AF;font-weight:700;}
.mid{color:#9A6600;font-weight:700;font-size:13.5px;}

/* ---------- 推荐卡 ---------- */
.rec-sec{padding:8px 0 0;}
.rec-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;margin-top:24px;}
.rec-card{
  display:flex;flex-direction:column;
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-card);
  overflow:hidden;box-shadow:var(--shadow);transition:all var(--ease);
}
.rec-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-hover);}
.rec-card .thumb{aspect-ratio:16/9;overflow:hidden;border-bottom:1px solid var(--line);}
.rec-card .thumb img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease;}
.rec-card:hover .thumb img{transform:scale(1.04);}
.rec-card .body{padding:20px 22px 22px;display:flex;flex-direction:column;gap:10px;flex:1;}
.chip-accent{
  display:inline-flex;align-self:flex-start;
  background:rgba(0,169,122,.10);color:var(--accent);
  font-size:12px;font-weight:700;border-radius:999px;padding:4px 11px;
}
.rec-card h3{font-size:17px;line-height:1.5;}
.rec-card p{margin:0;font-size:14px;color:var(--muted);line-height:1.75;}
.rec-card .go{
  margin-top:auto;font-size:14px;font-weight:700;color:var(--brand);
  display:inline-flex;align-items:center;gap:6px;
}
.rec-card .go i{transition:transform var(--ease);}
.rec-card:hover .go i{transform:translateX(4px);}
@media (max-width:991.98px){.rec-grid{grid-template-columns:1fr 1fr;}}
@media (max-width:767.98px){.rec-grid{grid-template-columns:1fr;}}

/* ---------- FAQ ---------- */
.faq-sec{padding:72px 0;background:#fff;border-top:1px solid var(--line);border-bottom:1px solid var(--line);}
.faq-grid{display:grid;grid-template-columns:.9fr 1.6fr;gap:52px;align-items:start;}
.faq-aside h2{font-size:clamp(22px,2.6vw,30px);margin-bottom:12px;}
.faq-aside p{color:var(--muted);font-size:15px;}
.faq-aside .btn-ghost-line{margin-top:14px;}
.accordion-item{background:transparent;border:0;border-bottom:1px solid var(--line);}
.accordion-button{
  background:transparent;box-shadow:none;border:0;
  padding:20px 0;font-size:17px;font-weight:700;color:var(--ink);
  line-height:1.6;
}
.accordion-button:not(.collapsed){color:var(--brand);background:transparent;box-shadow:none;}
.accordion-button:focus{box-shadow:none;outline:2px solid rgba(255,78,26,.35);outline-offset:2px;border-radius:6px;}
.accordion-button::after{
  background-image:none;
  content:"\f067";font-family:"Font Awesome 6 Free";font-weight:900;
  font-size:13px;color:var(--muted);
  width:26px;height:26px;border-radius:50%;
  background-color:var(--bg);
  display:flex;align-items:center;justify-content:center;
  transition:transform var(--ease),color var(--ease),background-color var(--ease);
}
.accordion-button:not(.collapsed)::after{transform:rotate(45deg);color:#fff;background-color:var(--brand);}
.accordion-body{padding:0 46px 22px 0;font-size:15px;color:var(--text);line-height:1.8;}
@media (max-width:991.98px){.faq-grid{grid-template-columns:1fr;gap:26px;}.faq-sec{padding:52px 0;}}

/* ---------- CTA 带 ---------- */
.cta-band{
  position:relative;overflow:hidden;background:var(--ink);color:#fff;
  padding:72px 0;
}
.cta-band::before{
  content:"";position:absolute;inset:0;
  background-image:url("/assets/images/backpic/back-3.webp");
  background-size:cover;background-position:center;
  opacity:.20;
}
.cta-band .container{position:relative;z-index:2;}
.cta-grid{display:grid;grid-template-columns:1.3fr 1fr;gap:44px;align-items:center;}
.cta-band h2{color:#fff;font-size:clamp(23px,2.8vw,32px);margin-bottom:12px;}
.cta-band p{color:rgba(255,255,255,.76);font-size:15.5px;margin:0;max-width:520px;}
.cta-form{display:flex;gap:10px;flex-wrap:wrap;}
.cta-form input{
  flex:1 1 210px;min-width:0;
  border:1px solid rgba(255,255,255,.28);
  background:#fff;color:var(--ink);
  border-radius:var(--radius-btn);padding:12px 16px;font-size:15px;
  transition:border-color var(--ease),box-shadow var(--ease);
}
.cta-form input::placeholder{color:#9AA0A6;}
.cta-form input:focus{outline:none;border-color:var(--brand);box-shadow:0 0 0 3px rgba(255,78,26,.28);}
.cta-form .btn-brand{flex:0 0 auto;}
.cta-hint{margin-top:10px;font-size:12.5px;color:rgba(255,255,255,.55);}
@media (max-width:991.98px){.cta-grid{grid-template-columns:1fr;gap:26px;}.cta-band{padding:52px 0;}}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--ink);color:rgba(255,255,255,.72);padding:64px 0 0;font-size:14px;}
.footer-brand{margin-bottom:16px;}
.site-footer .brand-main{color:#fff;}
.site-footer .brand-sub{color:var(--brand);}
.footer-note{font-size:13.5px;line-height:1.85;color:rgba(255,255,255,.62);max-width:340px;margin:0 0 16px;}
.status-dot{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12.5px;color:var(--accent);font-weight:700;
  background:rgba(0,169,122,.14);border-radius:999px;padding:5px 13px;
}
.status-dot::before{content:"";width:7px;height:7px;border-radius:50%;background:var(--accent);}
.footer-title{color:#fff;font-size:15px;font-weight:700;margin-bottom:16px;}
.footer-links li{margin-bottom:10px;}
.footer-links a{color:rgba(255,255,255,.66);font-size:14px;}
.footer-links a:hover{color:var(--brand);}
.footer-bottom{
  margin-top:52px;padding:20px 0;border-top:1px solid rgba(255,255,255,.10);
  display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap;
  font-size:12.5px;color:rgba(255,255,255,.48);
}
@media (max-width:575.98px){.site-footer{padding-top:48px;}.footer-bottom{margin-top:36px;font-size:12px;}}

/* roulang page: category2 */
:root{
  --signal:#FF4E1A;
  --signal-dark:#D93A0C;
  --green:#00A97A;
  --green-deep:#00805E;
  --amber:#FFB020;
  --ink:#14181D;
  --body:#3C4149;
  --muted:#6B7280;
  --line:#E6E4DF;
  --bg:#F8F7F4;
  --card:#FFFFFF;
  --r-card:14px;
  --r-btn:10px;
  --r-img:12px;
  --shadow-sm:0 1px 2px rgba(20,24,29,.04),0 8px 24px rgba(20,24,29,.06);
  --shadow-md:0 2px 6px rgba(20,24,29,.06),0 16px 38px rgba(20,24,29,.11);
  --bs-body-color:#3C4149;
  --bs-body-bg:#F8F7F4;
  --bs-border-color:#E6E4DF;
  --bs-border-radius:14px;
  --bs-font-sans-serif:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
}

*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  font-size:16.5px;
  line-height:1.85;
  color:var(--body);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;transition:color .22s ease;}
a:hover{color:var(--signal);}
button{font:inherit;}
ul,ol{margin:0;padding:0;}
h1,h2,h3,h4{color:var(--ink);font-weight:700;letter-spacing:0;margin:0;}
h1{font-size:clamp(28px,4vw,40px);line-height:1.3;}
h2{font-size:clamp(23px,3vw,30px);line-height:1.35;}
h3{font-size:22px;line-height:1.45;}
h4{font-size:18px;line-height:1.5;}
p{margin:0 0 1.1em;}
p:last-child{margin-bottom:0;}
strong{color:var(--ink);}
:focus-visible{outline:2px solid var(--signal);outline-offset:2px;}

.container{width:100%;max-width:1200px;margin:0 auto;padding-left:24px;padding-right:24px;}
@media (min-width:1400px){.container{max-width:1280px;}}
@media (max-width:767.98px){.container{padding-left:16px;padding-right:16px;}}

section{padding:80px 0;}
@media (max-width:991.98px){section{padding:64px 0;}}
@media (max-width:767.98px){section{padding:48px 0;}}

.sec-head{max-width:720px;margin-bottom:44px;}
.sec-head .eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:700;color:var(--signal);letter-spacing:.06em;margin-bottom:12px;}
.sec-head .eyebrow::before{content:"";width:22px;height:2px;background:var(--signal);border-radius:2px;}
.sec-head h2{margin-bottom:14px;}
.sec-head p{color:var(--muted);font-size:15.5px;line-height:1.8;margin:0;max-width:640px;}

/* ============ 活动条 ============ */
.promo-bar{
  background:var(--ink);
  border-bottom:1px solid rgba(255,78,26,.42);
  color:#fff;
  font-size:13px;
  position:relative;
  z-index:1040;
}
.promo-inner{display:flex;align-items:center;gap:14px;min-height:38px;padding-top:5px;padding-bottom:5px;}
.promo-badge{
  display:inline-flex;align-items:center;gap:5px;
  background:var(--signal);color:#fff;font-size:11px;font-weight:700;
  padding:2px 9px;border-radius:999px;letter-spacing:.06em;flex:none;
}
.promo-text{color:rgba(255,255,255,.78);white-space:nowrap;overflow:hidden;text-overflow:ellipsis;}
.promo-countdown{display:flex;align-items:center;gap:4px;margin-left:auto;flex:none;}
.cd-cell{
  display:inline-flex;align-items:baseline;gap:2px;
  background:rgba(255,255,255,.09);
  border:1px solid rgba(255,255,255,.14);
  border-radius:6px;padding:1px 6px;
}
.cd-cell b{font-size:13px;color:var(--amber);font-variant-numeric:tabular-nums;font-family:"SFMono-Regular",Consolas,monospace;}
.cd-cell i{font-style:normal;font-size:10px;color:rgba(255,255,255,.5);}
.cd-sep{color:rgba(255,255,255,.35);font-size:12px;}
.promo-cta{color:var(--amber);font-weight:600;flex:none;white-space:nowrap;}
.promo-cta:hover{color:#fff;}
.promo-close{
  background:transparent;border:0;color:rgba(255,255,255,.55);
  font-size:18px;line-height:1;padding:0 2px;cursor:pointer;flex:none;
}
.promo-close:hover{color:#fff;}
.promo-bar.is-closed{display:none;}
@media (max-width:767.98px){
  .promo-countdown{display:none;}
  .promo-text{font-size:12px;}
}

/* ============ 导航 ============ */
.site-header{
  position:sticky;top:0;z-index:1030;
  background:#fff;
  border-bottom:1px solid var(--line);
  transition:box-shadow .22s ease;
}
.site-header.scrolled{box-shadow:0 4px 18px rgba(20,24,29,.08);}
.header-inner{display:flex;align-items:center;gap:24px;height:68px;}
.brand{display:inline-flex;align-items:center;gap:10px;flex:none;}
.brand-mark{
  width:36px;height:36px;border-radius:11px;flex:none;
  background:linear-gradient(135deg,#FF6A3D,var(--signal));
  color:#fff;font-weight:700;font-size:18px;
  display:grid;place-items:center;
  box-shadow:0 6px 14px rgba(255,78,26,.32);
}
.brand-text{display:flex;flex-direction:column;line-height:1.08;}
.brand-main{font-weight:700;font-size:17px;color:var(--ink);letter-spacing:.04em;}
.brand-sub{font-size:10.5px;color:var(--signal);letter-spacing:.26em;font-weight:600;}
.nav-menu{display:flex;align-items:center;gap:4px;margin-left:auto;}
.nav-menu a{
  position:relative;padding:9px 14px;font-size:15px;color:var(--body);
  border-radius:8px;white-space:nowrap;
}
.nav-menu a::after{
  content:"";position:absolute;left:14px;right:14px;bottom:3px;height:2px;
  background:var(--signal);border-radius:2px;transform:scaleX(0);transform-origin:left;
  transition:transform .22s ease;
}
.nav-menu a:hover{color:var(--ink);background:#F8F7F4;}
.nav-menu a:hover::after{transform:scaleX(1);}
.nav-menu a.active{color:var(--signal);font-weight:700;}
.nav-menu a.active::after{transform:scaleX(1);}
.header-actions{display:flex;align-items:center;gap:10px;flex:none;}

.btn-signal{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  background:var(--signal);color:#fff;border:1px solid var(--signal);
  border-radius:var(--r-btn);padding:10px 20px;font-size:15px;font-weight:600;
  cursor:pointer;box-shadow:inset 0 1px 0 rgba(255,255,255,.28);
  transition:background .22s ease,transform .22s ease,box-shadow .22s ease,border-color .22s ease;
}
.btn-signal:hover{background:var(--signal-dark);border-color:var(--signal-dark);color:#fff;transform:translateY(-2px);box-shadow:var(--shadow-md);}
.btn-signal:active{transform:translateY(0);box-shadow:none;}
.btn-sm{padding:8px 16px;font-size:14px;}

.btn-ghost{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  background:transparent;color:var(--ink);border:1px solid var(--ink);
  border-radius:var(--r-btn);padding:10px 20px;font-size:15px;font-weight:600;
  cursor:pointer;transition:all .22s ease;
}
.btn-ghost:hover{background:var(--ink);color:#fff;transform:translateY(-2px);box-shadow:var(--shadow-md);}
.btn-ghost:active{transform:translateY(0);}

.btn-ghost-light{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  background:transparent;color:#fff;border:1px solid rgba(255,255,255,.62);
  border-radius:var(--r-btn);padding:10px 20px;font-size:15px;font-weight:600;
  cursor:pointer;transition:all .22s ease;
}
.btn-ghost-light:hover{background:var(--signal);border-color:var(--signal);color:#fff;transform:translateY(-2px);}
.btn-ghost-light:active{transform:translateY(0);}

.nav-toggle{
  display:none;width:42px;height:42px;border:1px solid var(--line);
  border-radius:11px;background:#fff;padding:0;cursor:pointer;flex:none;
}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--ink);margin:4px auto;border-radius:2px;transition:.2s;}
.nav-toggle:hover{border-color:var(--signal);}
.nav-toggle:hover span{background:var(--signal);}

@media (max-width:991.98px){
  .nav-menu{display:none;}
  .nav-toggle{display:block;}
  .header-inner{height:56px;gap:12px;}
  .brand-mark{width:32px;height:32px;font-size:16px;border-radius:10px;}
  .brand-main{font-size:15.5px;}
  .brand-sub{font-size:9.5px;letter-spacing:.2em;}
  .header-actions .btn-signal{display:none;}
}

.offcanvas.mobile-panel{background:#fff;width:308px;}
.mobile-panel .offcanvas-header{border-bottom:1px solid var(--line);padding:16px 20px;}
.mobile-panel .offcanvas-body{padding:20px;}
.mobile-panel .m-cta{width:100%;margin-bottom:20px;}
.m-nav{display:flex;flex-direction:column;}
.m-nav a{
  padding:14px 4px;font-size:16px;color:var(--body);
  border-bottom:1px solid var(--line);display:flex;align-items:center;justify-content:space-between;
}
.m-nav a::after{content:"›";color:#C4C0B8;font-size:18px;line-height:1;}
.m-nav a:hover{color:var(--signal);padding-left:8px;}
.m-nav a.active{color:var(--signal);font-weight:700;}
.m-panel-note{margin-top:22px;font-size:13px;color:var(--muted);line-height:1.8;}
.btn-close{opacity:.45;}
.btn-close:hover{opacity:1;}

/* ============ 面包屑 ============ */
.crumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;list-style:none;font-size:13px;}
.crumb li{display:flex;align-items:center;gap:8px;}
.crumb li+li::before{content:"›";color:rgba(255,255,255,.4);}
.crumb a{color:rgba(255,255,255,.78);}
.crumb a:hover{color:#fff;}
.crumb li.current{color:var(--amber);font-weight:600;}

/* ============ 赛区横幅 ============ */
.cat-hero{
  position:relative;color:#fff;
  padding:34px 0 66px;
  background-image:linear-gradient(115deg,rgba(20,24,29,.93) 8%,rgba(20,24,29,.78) 52%,rgba(20,24,29,.6) 100%),url(/assets/images/coverpic/cover-2.png);
  background-size:cover;background-position:center;
  overflow:hidden;
}
.cat-hero::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:4px;
  background:linear-gradient(90deg,var(--signal),var(--amber) 45%,var(--green));
}
.hero-grid{display:grid;grid-template-columns:minmax(0,1.55fr) minmax(0,1fr);gap:48px;align-items:end;margin-top:34px;}
.hero-tags{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:18px;}
.chip{
  display:inline-flex;align-items:center;gap:6px;
  padding:3px 11px;border-radius:999px;font-size:12px;font-weight:600;line-height:1.65;
  white-space:nowrap;
}
.chip-light{background:rgba(255,255,255,.14);color:#fff;border:1px solid rgba(255,255,255,.22);}
.chip-signal{background:rgba(255,78,26,.13);color:var(--signal);}
.chip-green{background:rgba(0,169,122,.13);color:var(--green-deep);}
.chip-amber{background:rgba(255,176,32,.2);color:#986000;}
.cat-hero h1{color:#fff;max-width:15em;}
.cat-hero .hero-sub{color:rgba(255,255,255,.8);font-size:16.5px;line-height:1.85;max-width:36em;margin-top:18px;}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:28px;}
.hero-card{
  background:rgba(255,255,255,.09);
  border:1px solid rgba(255,255,255,.18);
  border-radius:var(--r-card);
  padding:22px 22px 18px;
}
.hero-card .hc-title{font-size:13px;color:rgba(255,255,255,.62);letter-spacing:.06em;margin-bottom:14px;}
.hero-stat{display:flex;align-items:baseline;justify-content:space-between;gap:12px;padding:9px 0;border-bottom:1px dashed rgba(255,255,255,.18);}
.hero-stat:last-child{border-bottom:0;padding-bottom:0;}
.hero-stat .num{font-size:24px;font-weight:700;color:var(--amber);font-variant-numeric:tabular-nums;font-family:"SFMono-Regular",Consolas,monospace;}
.hero-stat .lbl{font-size:13px;color:rgba(255,255,255,.72);}
@media (max-width:991.98px){
  .hero-grid{grid-template-columns:1fr;gap:30px;align-items:start;}
  .cat-hero{padding:26px 0 52px;}
}
@media (max-width:767.98px){
  .cat-hero{padding:22px 0 46px;}
  .hero-stat .num{font-size:21px;}
}

/* ============ 时间轴主干 ============ */
.timeline-wrap{position:relative;}
.timeline{list-style:none;display:flex;gap:20px;position:relative;padding-top:4px;}
.timeline::before{
  content:"";position:absolute;top:11px;left:6px;right:6px;height:2px;border-radius:2px;
  background:linear-gradient(90deg,var(--signal),var(--amber) 48%,var(--green));
  opacity:.55;
}
.tl-item{flex:1 1 0;min-width:0;position:relative;padding-top:32px;}
.tl-node{
  position:absolute;top:4px;left:0;width:16px;height:16px;border-radius:50%;
  background:#fff;border:3px solid var(--signal);z-index:2;
  box-shadow:0 0 0 4px rgba(255,78,26,.1);
}
.tl-item:nth-child(3) .tl-node{border-color:var(--amber);box-shadow:0 0 0 4px rgba(255,176,32,.14);}
.tl-item:nth-child(5) .tl-node{border-color:var(--green);box-shadow:0 0 0 4px rgba(0,169,122,.12);}
.tl-card{
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  padding:20px 18px 18px;
  height:100%;
  box-shadow:var(--shadow-sm);
  transition:transform .22s ease,box-shadow .22s ease;
}
.tl-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);}
.tl-step{
  display:inline-block;font-size:12px;font-weight:700;letter-spacing:.1em;
  color:var(--signal);font-family:"SFMono-Regular",Consolas,monospace;margin-bottom:8px;
}
.tl-card h3{font-size:17px;margin-bottom:8px;}
.tl-card p{font-size:14px;color:var(--muted);line-height:1.75;margin-bottom:14px;}
@media (max-width:991.98px){
  .timeline{flex-wrap:wrap;gap:16px;}
  .tl-item{flex:1 1 46%;}
  .timeline::before{display:none;}
  .tl-item{padding-top:0;padding-left:26px;}
  .tl-item::after{
    content:"";position:absolute;left:7px;top:20px;bottom:-16px;width:2px;
    background:var(--line);border-radius:2px;
  }
  .tl-item:last-child::after{display:none;}
  .tl-node{top:6px;left:0;}
}
@media (max-width:575.98px){
  .tl-item{flex:1 1 100%;}
}

/* ============ 赛事类型非对称栅格 ============ */
.type-lead{
  position:relative;border-radius:var(--r-card);overflow:hidden;
  border:1px solid var(--line);background:var(--card);box-shadow:var(--shadow-sm);
  height:100%;display:flex;flex-direction:column;
  transition:transform .22s ease,box-shadow .22s ease;
}
.type-lead:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);}
.type-lead .cover{aspect-ratio:16/9;overflow:hidden;position:relative;}
.type-lead .cover img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease;}
.type-lead:hover .cover img{transform:scale(1.04);}
.type-lead .cover::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(20,24,29,0) 40%,rgba(20,24,29,.55));}
.type-lead .body{padding:24px;display:flex;flex-direction:column;gap:12px;flex:1;}
.type-lead h3{font-size:21px;}
.type-lead p{font-size:14.5px;color:var(--muted);line-height:1.8;margin:0;}
.type-meta{display:flex;gap:18px;border-top:1px solid var(--line);padding-top:16px;margin-top:auto;}
.type-meta div{font-size:13px;color:var(--muted);}
.type-meta b{display:block;font-size:20px;color:var(--ink);font-variant-numeric:tabular-nums;font-family:"SFMono-Regular",Consolas,monospace;line-height:1.4;}

.type-mini{
  display:flex;gap:16px;align-items:center;
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);
  padding:16px;box-shadow:var(--shadow-sm);height:100%;
  transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
}
.type-mini:hover{transform:translateY(-3px);box-shadow:var(--shadow-md);border-color:#DAD6CE;}
.type-mini .thumb{
  width:96px;height:96px;border-radius:var(--r-img);overflow:hidden;flex:none;
  border:1px solid rgba(20,24,29,.06);
}
.type-mini .thumb img{width:100%;height:100%;object-fit:cover;}
.type-mini h4{font-size:16.5px;margin-bottom:6px;}
.type-mini p{font-size:13.5px;color:var(--muted);line-height:1.7;margin:0 0 8px;}
@media (max-width:575.98px){
  .type-mini{flex-direction:column;align-items:flex-start;}
  .type-mini .thumb{width:100%;height:150px;}
}

/* ============ 深色数据看板 ============ */
.board{
  position:relative;color:#fff;background:var(--ink);overflow:hidden;
}
.board::before{
  content:"";position:absolute;inset:0;
  background:url(/assets/images/backpic/back-2.png) center/cover no-repeat;
  opacity:.16;
}
.board .container{position:relative;z-index:2;}
.board h2{color:#fff;}
.board .sec-head p{color:rgba(255,255,255,.68);}
.board .eyebrow{color:var(--amber);}
.board .eyebrow::before{background:var(--amber);}
.board-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px;}
.board-card{
  background:rgba(255,255,255,.06);
  border:1px solid rgba(255,255,255,.14);
  border-radius:var(--r-card);
  padding:24px;
  transition:background .22s ease,transform .22s ease;
}
.board-card:hover{background:rgba(255,255,255,.1);transform:translateY(-4px);}
.board-card .ico{
  width:42px;height:42px;border-radius:12px;display:grid;place-items:center;
  background:rgba(255,78,26,.18);color:var(--signal);font-size:18px;margin-bottom:16px;
}
.board-card h3{color:#fff;font-size:18px;margin-bottom:10px;}
.board-card p{color:rgba(255,255,255,.7);font-size:14.5px;line-height:1.8;margin-bottom:16px;}
.board-card .metric{
  display:flex;align-items:baseline;gap:8px;border-top:1px solid rgba(255,255,255,.14);padding-top:14px;
}
.board-card .metric b{
  font-size:26px;color:var(--amber);font-weight:700;
  font-variant-numeric:tabular-nums;font-family:"SFMono-Regular",Consolas,monospace;
}
.board-card .metric span{font-size:13px;color:rgba(255,255,255,.6);}
@media (max-width:991.98px){.board-grid{grid-template-columns:1fr;}}

/* ============ 相关分类卡片 ============ */
.rel-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px;}
.rel-card{
  display:flex;flex-direction:column;background:var(--card);
  border:1px solid var(--line);border-radius:var(--r-card);overflow:hidden;
  box-shadow:var(--shadow-sm);
  transition:transform .22s ease,box-shadow .22s ease;
}
.rel-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);}
.rel-card .cover{aspect-ratio:16/9;overflow:hidden;}
.rel-card .cover img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease;}
.rel-card:hover .cover img{transform:scale(1.05);}
.rel-card .body{padding:22px;display:flex;flex-direction:column;gap:12px;flex:1;}
.rel-card h3{font-size:18px;transition:color .22s ease;}
.rel-card:hover h3{color:var(--signal);}
.rel-card p{font-size:14px;color:var(--muted);line-height:1.75;margin:0;}
.rel-foot{
  display:flex;align-items:center;justify-content:space-between;
  margin-top:auto;padding-top:14px;border-top:1px solid var(--line);
  font-size:13px;color:var(--muted);
}
.rel-foot i{color:var(--signal);transition:transform .22s ease;}
.rel-card:hover .rel-foot i{transform:translateX(4px);}
@media (max-width:991.98px){.rel-grid{grid-template-columns:1fr 1fr;}}
@media (max-width:767.98px){.rel-grid{grid-template-columns:1fr;}}

/* ============ FAQ ============ */
.faq-wrap{max-width:900px;margin:0 auto;}
.accordion.faq-acc{border-top:1px solid var(--line);}
.faq-acc .accordion-item{border:0;border-bottom:1px solid var(--line);background:transparent;}
.faq-acc .accordion-button{
  background:transparent;color:var(--ink);font-size:17px;font-weight:700;
  padding:22px 48px 22px 0;box-shadow:none;line-height:1.6;border-radius:0;
}
.faq-acc .accordion-button:not(.collapsed){background:rgba(255,78,26,.04);color:var(--signal);}
.faq-acc .accordion-button:hover{color:var(--signal);}
.faq-acc .accordion-button::after{
  content:"+";background-image:none;
  width:32px;height:32px;display:grid;place-items:center;
  font-size:22px;font-weight:400;line-height:1;color:var(--muted);
  border-radius:50%;transition:transform .22s ease,color .22s ease,background .22s ease;
}
.faq-acc .accordion-button:not(.collapsed)::after{
  content:"−";color:#fff;background:var(--signal);transform:rotate(180deg);
}
.faq-acc .accordion-body{
  padding:0 60px 22px 0;color:var(--muted);font-size:15.5px;line-height:1.85;
}
@media (max-width:575.98px){
  .faq-acc .accordion-button{font-size:15.5px;padding:18px 44px 18px 0;}
  .faq-acc .accordion-body{padding:0 20px 18px 0;font-size:14.5px;}
}

/* ============ 底部 CTA ============ */
.cta-band{position:relative;background:var(--ink);color:#fff;overflow:hidden;}
.cta-band::before{
  content:"";position:absolute;inset:0;
  background:url(/assets/images/backpic/back-3.webp) center/cover no-repeat;
  opacity:.2;
}
.cta-band .container{position:relative;z-index:2;}
.cta-grid{display:grid;grid-template-columns:minmax(0,1.1fr) minmax(0,1fr);gap:44px;align-items:center;}
.cta-band h2{color:#fff;margin-bottom:14px;}
.cta-band p{color:rgba(255,255,255,.72);font-size:15.5px;line-height:1.85;margin:0;max-width:30em;}
.cta-form{display:flex;gap:10px;}
.cta-form input{
  flex:1;min-width:0;background:#fff;border:1px solid rgba(255,255,255,.2);
  border-radius:var(--r-btn);padding:12px 16px;font-size:15px;color:var(--ink);
  transition:border-color .22s ease,box-shadow .22s ease;
}
.cta-form input::placeholder{color:#9A968E;}
.cta-form input:focus{outline:none;border-color:var(--signal);box-shadow:0 0 0 3px rgba(255,78,26,.22);}
.cta-hint{margin-top:12px;font-size:12.5px;color:rgba(255,255,255,.5);}
@media (max-width:991.98px){
  .cta-grid{grid-template-columns:1fr;gap:26px;}
}
@media (max-width:575.98px){
  .cta-form{flex-direction:column;}
}

/* ============ 页脚 ============ */
.site-footer{background:#101419;color:rgba(255,255,255,.72);padding:64px 0 0;border-top:1px solid rgba(255,255,255,.08);}
.site-footer .brand{margin-bottom:16px;}
.site-footer .brand-main{color:#fff;}
.site-footer .brand-sub{color:var(--amber);}
.footer-note{font-size:14px;line-height:1.85;color:rgba(255,255,255,.6);margin:0 0 16px;max-width:34em;}
.status-dot{
  display:inline-flex;align-items:center;gap:7px;font-size:12.5px;
  color:var(--green);background:rgba(0,169,122,.12);
  border:1px solid rgba(0,169,122,.28);border-radius:999px;padding:3px 12px;
}
.status-dot::before{
  content:"";width:7px;height:7px;border-radius:50%;background:var(--green);
  box-shadow:0 0 0 4px rgba(0,169,122,.16);
}
.footer-title{font-size:14px;font-weight:700;color:#fff;margin-bottom:16px;letter-spacing:.04em;}
.footer-links{list-style:none;display:flex;flex-direction:column;gap:11px;}
.footer-links a{font-size:14px;color:rgba(255,255,255,.62);}
.footer-links a:hover{color:var(--signal);}
.footer-bottom{
  margin-top:52px;border-top:1px solid rgba(255,255,255,.09);
  padding:20px 0;display:flex;flex-wrap:wrap;gap:10px;
  justify-content:space-between;font-size:12.5px;color:rgba(255,255,255,.42);
}
@media (max-width:767.98px){
  .site-footer{padding-top:48px;}
  .footer-bottom{flex-direction:column;gap:6px;}
}

/* roulang page: category3 */
:root{
  --brand:#FF4E1A;
  --brand-dark:#D93A0C;
  --teal:#00A97A;
  --amber:#FFB020;
  --ink:#14181D;
  --text:#3C4149;
  --muted:#6B7280;
  --line:#E6E4DF;
  --bg:#F8F7F4;
  --card:#FFFFFF;
  --radius-card:14px;
  --radius-btn:10px;
  --radius-img:12px;
  --shadow:0 1px 2px rgba(20,24,29,.04), 0 8px 24px rgba(20,24,29,.06);
  --shadow-hover:0 2px 6px rgba(20,24,29,.07), 0 16px 36px rgba(20,24,29,.11);
  --bs-primary:#FF4E1A;
  --bs-body-color:#3C4149;
  --bs-body-bg:#F8F7F4;
  --bs-border-color:#E6E4DF;
  --bs-link-color:#D93A0C;
  --bs-link-hover-color:#FF4E1A;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16.5px;
  line-height:1.85;
  color:var(--text);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;height:auto;display:block;border-radius:var(--radius-img)}
a{color:inherit;text-decoration:none;transition:color .22s ease, background-color .22s ease, border-color .22s ease}
h1,h2,h3,h4{color:var(--ink);font-weight:700;letter-spacing:0;line-height:1.3;margin:0 0 14px}
h1{font-size:clamp(28px,3.6vw,40px);line-height:1.3}
h2{font-size:30px;line-height:1.35}
h3{font-size:22px}
h4{font-size:18px}
p{margin:0 0 1.1em}
ul{margin:0 0 1.1em;padding-left:1.2em}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:4px}
.container,.container-fluid{--bs-gutter-x:24px}
.container{width:100%;max-width:1200px;margin-inline:auto;padding-inline:24px}
@media (min-width:1400px){.container{max-width:1280px}}
@media (max-width:767px){.container{padding-inline:16px}}

/* ---------------- 顶部活动条 ---------------- */
.topbar{background:var(--ink);color:#fff;font-size:13px;border-bottom:1px solid rgba(255,78,26,.42)}
.topbar-inner{display:flex;align-items:center;gap:16px;min-height:38px;flex-wrap:nowrap}
.badge-live{display:inline-flex;align-items:center;gap:6px;background:var(--brand);color:#fff;font-size:12px;font-weight:700;padding:3px 10px;border-radius:999px;flex:0 0 auto}
.topbar-text{color:rgba(255,255,255,.72);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.countdown{display:flex;align-items:center;gap:6px;margin-left:auto;flex:0 0 auto}
.cd-cell{display:inline-flex;align-items:baseline;gap:3px;background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.14);border-radius:6px;padding:2px 8px;font-variant-numeric:tabular-nums}
.cd-cell b{color:var(--amber);font-size:13px;font-weight:700;font-variant-numeric:tabular-nums}
.cd-cell i{font-style:normal;font-size:11px;color:rgba(255,255,255,.55)}
.topbar-cta{color:#fff;font-weight:600;border-bottom:1px solid rgba(255,255,255,.5);padding-bottom:1px;flex:0 0 auto}
.topbar-cta:hover{color:var(--brand);border-color:var(--brand)}
.topbar-close{background:transparent;border:0;color:rgba(255,255,255,.6);font-size:14px;line-height:1;padding:6px;cursor:pointer;flex:0 0 auto;border-radius:6px}
.topbar-close:hover{color:#fff}
@media (max-width:767px){
  .countdown,.topbar-text{display:none}
  .topbar-inner{justify-content:space-between;min-height:40px}
}

/* ---------------- 主导航 ---------------- */
.site-header{position:sticky;top:0;z-index:1030;background:#fff;border-bottom:1px solid var(--line);transition:box-shadow .22s ease}
.site-header.scrolled{box-shadow:0 6px 22px rgba(20,24,29,.09)}
.header-inner{display:flex;align-items:center;gap:32px;height:68px}
.brand{display:inline-flex;align-items:center;gap:10px;flex:0 0 auto}
.brand-mark{width:38px;height:38px;border-radius:11px;background:linear-gradient(135deg,#FF6A3D,var(--brand));color:#fff;display:grid;place-items:center;font-weight:700;font-size:19px;box-shadow:0 6px 16px rgba(255,78,26,.28);flex:0 0 auto}
.brand-text{display:flex;flex-direction:column;line-height:1.15}
.brand-main{font-size:17px;font-weight:700;color:var(--ink);letter-spacing:.5px}
.brand-sub{font-size:11px;color:var(--muted);letter-spacing:2px}
.nav-menu{display:flex;align-items:center;gap:28px;margin-left:auto}
.nav-menu a{position:relative;font-size:15px;font-weight:500;color:var(--text);padding:6px 0;white-space:nowrap}
.nav-menu a::after{content:"";position:absolute;left:0;bottom:0;width:100%;height:2px;background:var(--brand);border-radius:2px;transform:scaleX(0);transform-origin:left;transition:transform .22s ease}
.nav-menu a:hover{color:var(--brand)}
.nav-menu a:hover::after{transform:scaleX(1)}
.nav-menu a.active{color:var(--brand);font-weight:700}
.nav-menu a.active::after{transform:scaleX(1)}
.header-actions{display:flex;align-items:center;gap:12px}
.nav-toggle{display:none;width:42px;height:42px;border:1px solid var(--line);background:#fff;border-radius:10px;color:var(--ink);font-size:17px;align-items:center;justify-content:center}
.nav-toggle:hover{border-color:var(--brand);color:var(--brand)}
@media (max-width:991px){
  .nav-menu{display:none}
  .nav-toggle{display:inline-flex}
  .header-inner{height:56px;gap:14px}
  .header-actions .btn{display:none}
}
.mobile-nav{--bs-offcanvas-width:300px;border-left:0}
.mobile-nav .offcanvas-header{border-bottom:1px solid var(--line)}
.mobile-nav .offcanvas-title{font-size:16px;font-weight:700;color:var(--ink)}
.mobile-links a{display:block;padding:14px 2px;border-bottom:1px solid var(--line);font-size:16px;font-weight:500;color:var(--ink)}
.mobile-links a.active{color:var(--brand);font-weight:700}
.mobile-links a:hover{color:var(--brand)}

/* ---------------- 按钮 ---------------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;font-size:15px;font-weight:600;border-radius:var(--radius-btn);padding:12px 22px;border:1px solid transparent;cursor:pointer;transition:transform .22s ease, box-shadow .22s ease, background-color .22s ease, color .22s ease, border-color .22s ease;text-align:center;line-height:1.4}
.btn:focus-visible{outline:2px solid var(--brand);outline-offset:2px}
.btn-brand{background:var(--brand);color:#fff;box-shadow:0 6px 18px rgba(255,78,26,.26)}
.btn-brand:hover{background:var(--brand-dark);color:#fff;transform:translateY(-2px);box-shadow:0 12px 26px rgba(255,78,26,.32)}
.btn-brand:active{transform:translateY(0);background:var(--brand-dark)}
.btn-ink{background:transparent;color:var(--ink);border-color:var(--ink)}
.btn-ink:hover{background:var(--ink);color:#fff;transform:translateY(-2px)}
.btn-ink:active{transform:translateY(0)}
.btn-ghost{background:transparent;color:#fff;border-color:rgba(255,255,255,.5)}
.btn-ghost:hover{background:var(--brand);border-color:var(--brand);color:#fff;transform:translateY(-2px)}
.btn-ghost:active{transform:translateY(0)}
.btn-sm{padding:9px 18px;font-size:14px}
.btn-lg{padding:14px 30px;font-size:16px}

/* ---------------- 面包屑 ---------------- */
.breadcrumb-bar{padding:24px 0 0;font-size:13px;color:var(--muted)}
.breadcrumb-list{display:flex;flex-wrap:wrap;gap:8px;list-style:none;margin:0;padding:0}
.breadcrumb-list li{display:flex;align-items:center;gap:8px}
.breadcrumb-list li::after{content:"›";color:#C9C6C0}
.breadcrumb-list li:last-child::after{display:none}
.breadcrumb-list a{color:var(--muted)}
.breadcrumb-list a:hover{color:var(--brand)}
.breadcrumb-list .current{color:var(--brand);font-weight:600}

/* ---------------- 页面头部 ---------------- */
.page-hero{padding:44px 0 72px;background:var(--bg)}
.hero-tag{display:inline-flex;align-items:center;gap:8px;background:rgba(0,169,122,.1);color:var(--teal);font-size:13px;font-weight:600;padding:6px 14px;border-radius:999px;margin-bottom:18px}
.hero-sub{font-size:17px;line-height:1.85;color:var(--text);max-width:580px;margin-bottom:22px}
.hero-chips{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:28px}
.chip{font-size:13px;padding:5px 13px;border-radius:999px;border:1px solid var(--line);background:#fff;color:var(--text)}
.chip-amber{background:rgba(255,176,32,.14);border-color:rgba(255,176,32,.42);color:#7A4E00}
.chip-teal{background:rgba(0,169,122,.1);border-color:rgba(0,169,122,.3);color:#00694C}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px}
.hero-figure{position:relative;margin:0;border-radius:var(--radius-card);overflow:hidden;border:1px solid var(--line);background:#fff;aspect-ratio:16/9;box-shadow:var(--shadow)}
.hero-figure img{width:100%;height:100%;object-fit:cover;border-radius:0}
.fig-badge{position:absolute;left:16px;bottom:16px;background:rgba(20,24,29,.82);color:#fff;font-size:13px;padding:8px 15px;border-radius:999px}

/* ---------------- 数据状态条 ---------------- */
.stat-band{background:var(--ink);color:#fff;padding:44px 0}
.stat-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.stat-item{border-left:2px solid rgba(255,78,26,.55);padding-left:18px}
.stat-num{font-size:28px;font-weight:700;line-height:1.2;color:#fff;font-variant-numeric:tabular-nums}
.stat-num em{font-style:normal;font-size:16px;color:var(--amber);margin-left:3px}
.stat-label{font-size:14px;color:rgba(255,255,255,.66);margin-top:4px}
@media (max-width:767px){
  .stat-grid{grid-template-columns:repeat(2,1fr);gap:20px}
  .stat-band{padding:36px 0}
  .stat-num{font-size:24px}
}

/* ---------------- 通用板块 ---------------- */
.section{padding:80px 0}
.section.alt{background:#fff}
.section-head{max-width:740px;margin-bottom:40px}
.section-head p{color:var(--muted);font-size:16px;margin-bottom:0}
.eyebrow{display:inline-block;font-size:13px;font-weight:700;letter-spacing:1px;color:var(--brand);margin-bottom:10px}
@media (max-width:991px){.section{padding:64px 0}}
@media (max-width:767px){.section{padding:48px 0}.section-head{margin-bottom:28px}h2{font-size:25px}h3{font-size:20px}}

/* ---------------- 对照表 ---------------- */
.cmp-wrap{overflow-x:auto;border:1px solid var(--line);border-radius:var(--radius-card);background:#fff;box-shadow:var(--shadow);-webkit-overflow-scrolling:touch}
table.cmp{width:100%;min-width:820px;border-collapse:collapse;font-size:15px;margin:0}
.cmp thead th{background:var(--ink);color:#fff;font-weight:600;font-size:14px;text-align:left;padding:16px 20px;white-space:nowrap;letter-spacing:.5px}
.cmp tbody td{padding:16px 20px;border-top:1px solid var(--line);vertical-align:top;line-height:1.75}
.cmp tbody tr{transition:background-color .18s ease}
.cmp tbody tr:hover{background:#FDF5F1}
.cmp .col-dim{color:var(--ink);font-weight:600;white-space:nowrap}
.cmp .ok{color:var(--teal);font-weight:600}
.cmp .ok i{margin-right:6px}
.cmp .no{color:var(--muted)}
.cmp .no i{margin-right:6px;color:#B9B6B0}
.cmp .tip{color:var(--text)}
.table-note{font-size:13px;color:var(--muted);margin:14px 0 0}

/* ---------------- 保障卡片 ---------------- */
.g-card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius-card);padding:26px;height:100%;display:flex;flex-direction:column;transition:transform .22s ease, box-shadow .22s ease, border-color .22s ease}
.g-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-hover);border-color:#DCD8D1}
.g-icon{width:46px;height:46px;border-radius:12px;display:grid;place-items:center;font-size:19px;background:rgba(255,78,26,.1);color:var(--brand);margin-bottom:18px}
.g-icon.teal{background:rgba(0,169,122,.12);color:var(--teal)}
.g-icon.amber{background:rgba(255,176,32,.16);color:#8A5A00}
.g-card h3{font-size:20px;margin-bottom:10px}
.g-card p{font-size:15px;color:var(--muted);margin-bottom:16px}
.g-list{list-style:none;padding:0;margin:0 0 20px}
.g-list li{position:relative;padding:8px 0 8px 26px;font-size:15px;border-top:1px solid var(--line)}
.g-list li:first-child{border-top:0}
.g-list li i{position:absolute;left:0;top:14px;font-size:12px;color:var(--teal)}
.g-link{margin-top:auto;font-size:14px;font-weight:600;color:var(--brand)}
.g-link:hover{color:var(--brand-dark)}
.g-link i{font-size:11px;margin-left:4px}

/* ---------------- 图文自检 ---------------- */
.media-frame{position:relative;margin:0;border-radius:var(--radius-card);overflow:hidden;border:1px solid var(--line);background:#fff;box-shadow:var(--shadow);aspect-ratio:4/3}
.media-frame img{width:100%;height:100%;object-fit:cover;border-radius:0}
.fig-cap{position:absolute;left:14px;bottom:14px;margin:0;background:rgba(20,24,29,.8);color:#fff;font-size:13px;padding:7px 14px;border-radius:999px}
.lead-p{font-size:16px;color:var(--text);max-width:640px}
.step-list{list-style:none;counter-reset:st;padding:0;margin:26px 0 0}
.step-list li{counter-increment:st;position:relative;padding:15px 0 15px 54px;border-top:1px solid var(--line);font-size:15.5px}
.step-list li:last-child{border-bottom:1px solid var(--line)}
.step-list li::before{content:counter(st,decimal-leading-zero);position:absolute;left:0;top:15px;width:34px;height:34px;border-radius:10px;background:rgba(255,78,26,.1);color:var(--brand);font-weight:700;font-size:13px;display:grid;place-items:center;font-variant-numeric:tabular-nums}
.step-list strong{display:block;color:var(--ink);font-size:16px;margin-bottom:2px}
.step-list span{color:var(--muted);font-size:15px}

/* ---------------- FAQ ---------------- */
.faq-wrap{max-width:880px}
.accordion{--bs-accordion-border-width:0;--bs-accordion-bg:transparent;--bs-accordion-btn-bg:transparent;--bs-accordion-active-bg:transparent;--bs-accordion-active-color:var(--brand);--bs-accordion-btn-focus-box-shadow:none;--bs-accordion-body-padding-x:0;--bs-accordion-body-padding-y:0}
.accordion-item{background:transparent;border:0;border-top:1px solid var(--line)}
.accordion-item:last-child{border-bottom:1px solid var(--line)}
.accordion-button{background:transparent;color:var(--ink);font-size:17px;font-weight:700;line-height:1.6;padding:20px 40px 20px 0;box-shadow:none}
.accordion-button:not(.collapsed){color:var(--brand);background:transparent}
.accordion-button:focus{box-shadow:none;border-color:transparent}
.accordion-button::after{content:"";width:22px;height:22px;flex:0 0 22px;margin-left:auto;position:absolute;right:0;background-image:linear-gradient(var(--ink),var(--ink)),linear-gradient(var(--ink),var(--ink));background-position:center;background-size:12px 2px,2px 12px;background-repeat:no-repeat;transition:transform .22s ease, background-image .22s ease;border-radius:0}
.accordion-button:not(.collapsed)::after{transform:rotate(90deg);background-image:linear-gradient(var(--brand),var(--brand)),linear-gradient(var(--brand),var(--brand));background-size:12px 2px,0 0}
.accordion-body{padding:0 40px 22px 0;font-size:15.5px;line-height:1.85;color:var(--text)}
@media (max-width:575px){
  .accordion-button{font-size:16px;padding-right:34px}
  .accordion-body{padding-right:20px}
}

/* ---------------- 底部 CTA ---------------- */
.cta-band{position:relative;background:var(--ink);color:#fff;padding:76px 0;overflow:hidden}
.cta-band::before{content:"";position:absolute;inset:0;background:url(/assets/images/backpic/back-3.webp) center/cover no-repeat;opacity:.15}
.cta-band .container{position:relative;z-index:1}
.cta-inner{display:flex;align-items:center;justify-content:space-between;gap:32px;flex-wrap:wrap}
.cta-band h2{color:#fff;margin-bottom:10px}
.cta-band p{color:rgba(255,255,255,.72);margin:0;max-width:620px;font-size:16px}
.cta-actions{display:flex;gap:14px;flex-wrap:wrap}
@media (max-width:767px){
  .cta-band{padding:52px 0}
  .cta-actions{width:100%}
  .cta-actions .btn{flex:1 1 100%}
}

/* ---------------- 页脚 ---------------- */
.site-footer{background:var(--ink);color:rgba(255,255,255,.72);padding:64px 0 0;font-size:14px}
.footer-brand .brand-main{color:#fff}
.footer-brand .brand-sub{color:rgba(255,255,255,.48)}
.footer-note{font-size:14px;line-height:1.8;color:rgba(255,255,255,.62);margin:18px 0 14px;max-width:350px}
.status-dot{display:inline-flex;align-items:center;gap:8px;font-size:13px;color:var(--teal)}
.status-dot::before{content:"";width:8px;height:8px;border-radius:50%;background:var(--teal);box-shadow:0 0 0 4px rgba(0,169,122,.16)}
.footer-title{color:#fff;font-size:15px;font-weight:700;margin-bottom:16px}
.footer-links{list-style:none;padding:0;margin:0}
.footer-links li{margin-bottom:10px}
.footer-links a{color:rgba(255,255,255,.66);font-size:14px}
.footer-links a:hover{color:var(--brand)}
.footer-bottom{margin-top:48px;border-top:1px solid rgba(255,255,255,.1);padding:20px 0 26px;display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap;font-size:12.5px;color:rgba(255,255,255,.45)}
@media (max-width:767px){
  .site-footer{padding-top:48px}
  .footer-bottom{margin-top:32px}
}

/* roulang page: category4 */
:root{
  --brand:#FF4E1A;
  --brand-dark:#D93A0C;
  --mint:#00A97A;
  --amber:#FFB020;
  --ink:#14181D;
  --body:#3C4149;
  --muted:#6B7280;
  --line:#E6E4DF;
  --bg:#F8F7F4;
  --card:#FFFFFF;
  --radius-card:14px;
  --radius-btn:10px;
  --radius-img:12px;
  --shadow:0 1px 2px rgba(20,24,29,.04), 0 8px 24px rgba(20,24,29,.06);
  --shadow-hover:0 2px 6px rgba(20,24,29,.07), 0 16px 36px rgba(20,24,29,.10);
  --ease:.22s ease;
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",Arial,sans-serif;
  font-size:16.5px;
  line-height:1.85;
  color:var(--body);
  background:var(--bg);
  font-variant-numeric:tabular-nums;
}
img{max-width:100%;display:block;border-radius:var(--radius-img);box-shadow:inset 0 0 0 1px rgba(20,24,29,.06)}
a{color:var(--ink);text-decoration:none;transition:color var(--ease),opacity var(--ease)}
a:hover{color:var(--brand)}
button,input{font-family:inherit}
h1,h2,h3,h4{color:var(--ink);font-weight:700;letter-spacing:0;margin:0}
h1{font-size:clamp(28px,4vw,40px);line-height:1.3}
h2{font-size:clamp(23px,2.6vw,30px);line-height:1.35}
h3{font-size:22px;line-height:1.4}
h4{font-size:18px;line-height:1.45}
p{margin:0 0 1.1em}
ul{margin:0;padding:0;list-style:none}
.container{max-width:1200px;padding:0 24px;margin:0 auto}
@media (min-width:1400px){.container{max-width:1280px}}

/* ============ 顶部活动条 ============ */
.topbar{
  background:var(--ink);
  color:#fff;
  border-bottom:1px solid rgba(255,78,26,.45);
  font-size:13px;
  position:relative;
  z-index:1035;
}
.topbar-inner{
  display:flex;align-items:center;gap:16px;
  min-height:38px;padding:4px 0;
}
.topbar-badge{
  display:inline-flex;align-items:center;gap:6px;
  background:var(--brand);color:#fff;
  border-radius:999px;padding:2px 10px;
  font-size:12px;font-weight:700;white-space:nowrap;
}
.topbar-text{color:rgba(255,255,255,.82);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.topbar-countdown{display:flex;align-items:center;gap:6px;margin-left:auto;color:rgba(255,255,255,.7);white-space:nowrap}
.topbar-countdown .cd-cell{
  display:inline-block;min-width:32px;text-align:center;
  background:rgba(255,255,255,.08);
  border:1px solid rgba(255,255,255,.14);
  border-radius:6px;padding:1px 4px;
  color:var(--amber);font-weight:700;
}
.topbar-right{display:flex;align-items:center;gap:14px;white-space:nowrap}
.topbar-right a{color:#fff;font-weight:600;border-bottom:1px solid rgba(255,78,26,.7)}
.topbar-right a:hover{color:var(--brand);border-color:var(--brand)}
.topbar-close{
  background:none;border:0;color:rgba(255,255,255,.55);
  font-size:14px;line-height:1;padding:4px;cursor:pointer;
}
.topbar-close:hover{color:#fff}

/* ============ 导航 ============ */
.site-header{
  position:sticky;top:0;z-index:1030;
  background:#fff;
  border-bottom:1px solid var(--line);
  transition:box-shadow var(--ease);
}
.site-header.is-stuck{box-shadow:0 4px 18px rgba(20,24,29,.07)}
.header-inner{
  display:flex;align-items:center;gap:28px;
  min-height:68px;
}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.brand-mark{
  width:36px;height:36px;border-radius:10px;
  background:var(--brand);color:#fff;
  display:flex;align-items:center;justify-content:center;
  font-weight:700;font-size:18px;
  box-shadow:0 6px 16px rgba(255,78,26,.28);
}
.brand-text{display:flex;flex-direction:column;line-height:1.05}
.brand-main{font-size:17px;font-weight:700;color:var(--ink)}
.brand-sub{font-size:11px;color:var(--brand);letter-spacing:.14em;font-weight:600}
.nav-menu{display:flex;align-items:center;gap:26px;margin-left:8px}
.nav-menu a{
  position:relative;font-size:15px;font-weight:600;color:var(--body);
  padding:22px 0;display:inline-block;
}
.nav-menu a::after{
  content:"";position:absolute;left:0;right:0;bottom:16px;height:2px;
  background:var(--brand);transform:scaleX(0);transform-origin:left;transition:transform var(--ease);
}
.nav-menu a:hover{color:var(--ink)}
.nav-menu a:hover::after{transform:scaleX(1)}
.nav-menu a.active{color:var(--brand)}
.nav-menu a.active::after{transform:scaleX(1)}
.header-actions{margin-left:auto;display:flex;align-items:center;gap:12px}
.btn-cta{
  display:inline-flex;align-items:center;gap:8px;
  background:var(--brand);color:#fff;font-weight:700;font-size:15px;
  border-radius:var(--radius-btn);padding:11px 20px;border:1px solid var(--brand);
  box-shadow:0 6px 18px rgba(255,78,26,.24);
  transition:background var(--ease),transform var(--ease),box-shadow var(--ease);
}
.btn-cta:hover{background:var(--brand-dark);border-color:var(--brand-dark);color:#fff;transform:translateY(-2px);box-shadow:0 10px 24px rgba(217,58,12,.28)}
.btn-cta:focus-visible{outline:2px solid var(--brand);outline-offset:2px}
.btn-cta:active{transform:translateY(0)}
.nav-toggle{
  display:none;background:#fff;border:1px solid var(--line);border-radius:var(--radius-btn);
  width:42px;height:42px;color:var(--ink);font-size:17px;cursor:pointer;
}
.nav-toggle:hover{border-color:var(--brand);color:var(--brand)}
.offcanvas{border:0}
.offcanvas-header{border-bottom:1px solid var(--line)}
.offcanvas .oc-nav{display:flex;flex-direction:column;gap:2px;margin-top:8px}
.offcanvas .oc-nav a{
  padding:13px 4px;font-size:16px;font-weight:600;color:var(--body);
  border-bottom:1px solid var(--line);
}
.offcanvas .oc-nav a.active,.offcanvas .oc-nav a:hover{color:var(--brand)}

/* ============ 面包屑 ============ */
.crumb-wrap{padding:18px 0 0}
.crumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--muted)}
.crumb li{display:flex;align-items:center;gap:8px}
.crumb li+li::before{content:"›";color:#B4B8BE}
.crumb a{color:var(--muted)}
.crumb a:hover{color:var(--brand)}
.crumb .current{color:var(--brand);font-weight:600}

/* ============ 通用板块 ============ */
.section{padding:80px 0}
.section-tight{padding:56px 0}
.section-head{margin-bottom:34px}
.section-head .eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:700;color:var(--brand);
  background:rgba(255,78,26,.08);
  border-radius:999px;padding:4px 12px;margin-bottom:14px;
}
.section-head p{color:var(--muted);max-width:760px;margin:10px 0 0}
.bg-dark-band{background:var(--ink);color:rgba(255,255,255,.78)}
.bg-dark-band h2,.bg-dark-band h3,.bg-dark-band h4{color:#fff}

/* ============ Hero ============ */
.hero{position:relative;padding:64px 0 72px;background:#fff;overflow:hidden}
.hero::before{
  content:"";position:absolute;inset:0;
  background:radial-gradient(720px 320px at 88% -10%, rgba(255,78,26,.10), transparent 70%);
  pointer-events:none;
}
.hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:48px;align-items:center;position:relative}
.hero h1{margin-bottom:16px}
.hero .lead{font-size:17px;color:var(--muted);max-width:560px;margin-bottom:22px}
.tag-row{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:26px}
.tag{
  display:inline-flex;align-items:center;gap:6px;
  font-size:12.5px;font-weight:600;color:var(--mint);
  background:rgba(0,169,122,.09);border:1px solid rgba(0,169,122,.22);
  border-radius:999px;padding:3px 11px;
}
.tag.amber{color:#A97400;background:rgba(255,176,32,.14);border-color:rgba(255,176,32,.35)}
.tag.orange{color:var(--brand);background:rgba(255,78,26,.08);border-color:rgba(255,78,26,.24)}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px}
.btn-solid{
  display:inline-flex;align-items:center;gap:8px;
  background:var(--brand);color:#fff;font-weight:700;font-size:15.5px;
  border:1px solid var(--brand);border-radius:var(--radius-btn);padding:13px 24px;
  box-shadow:0 8px 20px rgba(255,78,26,.22);
  transition:background var(--ease),transform var(--ease),box-shadow var(--ease);
}
.btn-solid:hover{background:var(--brand-dark);border-color:var(--brand-dark);color:#fff;transform:translateY(-2px)}
.btn-solid:focus-visible{outline:2px solid var(--brand);outline-offset:2px}
.btn-outline{
  display:inline-flex;align-items:center;gap:8px;
  background:#fff;color:var(--ink);font-weight:700;font-size:15.5px;
  border:1px solid var(--ink);border-radius:var(--radius-btn);padding:13px 24px;
  transition:background var(--ease),color var(--ease),transform var(--ease);
}
.btn-outline:hover{background:var(--ink);color:#fff;transform:translateY(-2px)}
.btn-outline:focus-visible{outline:2px solid var(--brand);outline-offset:2px}
.hero-media{position:relative}
.hero-media img{width:100%;aspect-ratio:16/9;object-fit:cover}
.hero-media::after{
  content:"";position:absolute;inset:0;border-radius:var(--radius-img);
  background:linear-gradient(180deg,rgba(20,24,29,0) 35%,rgba(20,24,29,.5) 100%);
}
.hero-float{
  position:absolute;left:20px;right:20px;bottom:18px;z-index:2;
  background:rgba(20,24,29,.72);
  border:1px solid rgba(255,255,255,.14);
  border-radius:12px;padding:14px 16px;
  display:flex;gap:18px;flex-wrap:wrap;
}
.hero-float .fi{min-width:96px}
.hero-float .fi b{display:block;font-size:22px;color:var(--amber);line-height:1.2}
.hero-float .fi span{font-size:12.5px;color:rgba(255,255,255,.72)}

/* ============ 搜索 ============ */
.search-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-card);
  box-shadow:var(--shadow);padding:22px 24px;margin-bottom:28px;
}
.search-card .sc-title{font-size:15px;font-weight:700;color:var(--ink);margin-bottom:12px}
.search-form{display:flex;gap:10px;flex-wrap:wrap}
.search-form input{
  flex:1 1 260px;min-width:0;
  border:1px solid var(--line);border-radius:var(--radius-btn);
  padding:12px 14px;font-size:15px;color:var(--ink);background:#FDFCFA;
  transition:border-color var(--ease),box-shadow var(--ease);
}
.search-form input::placeholder{color:#A5A9AF}
.search-form input:focus{outline:none;border-color:var(--brand);box-shadow:0 0 0 3px rgba(255,78,26,.14)}
.search-form button{
  flex:0 0 auto;border:1px solid var(--brand);background:var(--brand);color:#fff;
  font-weight:700;font-size:15px;border-radius:var(--radius-btn);padding:12px 22px;cursor:pointer;
  transition:background var(--ease),transform var(--ease);
}
.search-form button:hover{background:var(--brand-dark);border-color:var(--brand-dark);transform:translateY(-2px)}
.search-form button:focus-visible{outline:2px solid var(--brand);outline-offset:2px}
.hot-words{display:flex;flex-wrap:wrap;gap:10px;margin-top:12px;font-size:13px;color:var(--muted)}
.hot-words a{
  border:1px solid var(--line);border-radius:999px;padding:3px 12px;color:var(--muted);font-size:13px;
}
.hot-words a:hover{border-color:var(--brand);color:var(--brand);background:rgba(255,78,26,.05)}

/* ============ 主区双栏 ============ */
.main-row{display:grid;grid-template-columns:340px 1fr;gap:40px;align-items:start}
.side-col{position:sticky;top:96px;display:flex;flex-direction:column;gap:20px}
.side-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-card);
  box-shadow:var(--shadow);padding:22px;
}
.side-card .side-title{
  font-size:13px;font-weight:700;color:var(--muted);letter-spacing:.06em;
  text-transform:uppercase;margin-bottom:14px;
}
.side-nav{display:flex;flex-direction:column}
.side-nav a{
  display:flex;align-items:center;gap:10px;
  padding:11px 10px;border-radius:10px;font-size:15px;font-weight:600;color:var(--body);
  border-left:3px solid transparent;
  transition:background var(--ease),color var(--ease),border-color var(--ease),transform var(--ease);
}
.side-nav a .num{
  font-size:12px;font-weight:700;color:var(--muted);
  background:#F3F2EE;border-radius:6px;width:22px;height:22px;
  display:flex;align-items:center;justify-content:center;flex:0 0 auto;
}
.side-nav a:hover{background:#FBF7F3;color:var(--brand);transform:translateX(2px)}
.side-nav a.active{background:rgba(255,78,26,.07);color:var(--brand);border-left-color:var(--brand)}
.side-nav a.active .num{background:var(--brand);color:#fff}
.side-card.dark{background:var(--ink);border-color:var(--ink);color:rgba(255,255,255,.78)}
.side-card.dark .side-title{color:rgba(255,255,255,.5)}
.side-card.dark h4{color:#fff;font-size:17px;margin-bottom:8px}
.side-card.dark p{font-size:14px;margin-bottom:16px;color:rgba(255,255,255,.7)}
.btn-ghost{
  display:inline-flex;align-items:center;gap:8px;
  border:1px solid rgba(255,255,255,.55);color:#fff;background:transparent;
  font-weight:700;font-size:14px;border-radius:var(--radius-btn);padding:10px 18px;
  transition:background var(--ease),border-color var(--ease),color var(--ease);
}
.btn-ghost:hover{background:var(--brand);border-color:var(--brand);color:#fff}
.btn-ghost:focus-visible{outline:2px solid var(--amber);outline-offset:2px}

/* ============ FAQ ============ */
.faq .accordion-item{background:transparent;border:0;border-bottom:1px solid var(--line)}
.faq .accordion-item:first-of-type{border-top:1px solid var(--line)}
.faq .accordion-button{
  background:transparent;box-shadow:none;color:var(--ink);
  font-size:17px;font-weight:700;padding:20px 44px 20px 0;line-height:1.6;
}
.faq .accordion-button:not(.collapsed){color:var(--brand);background:transparent}
.faq .accordion-button:focus{box-shadow:none;outline:none;border-color:var(--line)}
.faq .accordion-button:focus-visible{outline:2px solid var(--brand);outline-offset:-2px}
.faq .accordion-button::after{
  background-image:none;content:"+";font-size:22px;font-weight:400;color:var(--muted);
  width:auto;height:auto;line-height:1;transform:none;transition:transform var(--ease),color var(--ease);
  position:absolute;right:8px;top:50%;margin-top:-14px;
}
.faq .accordion-button:not(.collapsed)::after{content:"–";color:var(--brand);transform:rotate(180deg)}
.faq .accordion-body{
  padding:0 44px 22px 0;color:var(--body);font-size:15.5px;line-height:1.8;max-width:640px;
}
.faq .accordion-body p{margin-bottom:0}
.faq-lg .accordion-button{font-size:18px;padding:24px 48px 24px 0}
.faq-lg .accordion-body{font-size:16px;padding-bottom:26px}

/* ============ 帮助入口卡 ============ */
.help-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.help-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-card);
  overflow:hidden;box-shadow:var(--shadow);display:flex;flex-direction:column;
  transition:transform var(--ease),box-shadow var(--ease),border-color var(--ease);
}
.help-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);border-color:#DCD9D2}
.help-card .hc-media{position:relative}
.help-card .hc-media img{width:100%;aspect-ratio:16/9;object-fit:cover;border-radius:0}
.help-card .hc-badge{
  position:absolute;left:12px;bottom:12px;
  background:rgba(20,24,29,.78);color:#fff;font-size:12px;font-weight:600;
  border-radius:999px;padding:3px 11px;
}
.help-card .hc-body{padding:20px 22px 24px;flex:1;display:flex;flex-direction:column}
.help-card h3{font-size:18px;margin-bottom:8px}
.help-card p{font-size:14.5px;color:var(--muted);line-height:1.75;margin-bottom:16px}
.help-card .hc-link{
  margin-top:auto;font-size:14.5px;font-weight:700;color:var(--brand);
  display:inline-flex;align-items:center;gap:6px;
}
.help-card .hc-link i{transition:transform var(--ease)}
.help-card:hover .hc-link i{transform:translateX(4px)}

/* ============ 更新列表 ============ */
.update-list{background:#fff;border:1px solid var(--line);border-radius:var(--radius-card);box-shadow:var(--shadow);overflow:hidden}
.update-item{
  display:grid;grid-template-columns:110px 1fr auto;gap:20px;align-items:center;
  padding:20px 24px;border-bottom:1px solid var(--line);
  transition:background var(--ease);
}
.update-item:last-child{border-bottom:0}
.update-item:hover{background:#FBF7F3}
.update-item time{font-size:13px;color:var(--muted);font-weight:600}
.update-item h4{font-size:16px;margin-bottom:4px}
.update-item p{font-size:14px;color:var(--muted);margin:0}
.update-item .up-tag{
  font-size:12.5px;font-weight:700;border-radius:999px;padding:3px 12px;white-space:nowrap;
  color:var(--mint);background:rgba(0,169,122,.1);
}
.update-item .up-tag.orange{color:var(--brand);background:rgba(255,78,26,.09)}

/* ============ 底部 CTA ============ */
.cta-band{
  position:relative;background:var(--ink);color:#fff;overflow:hidden;
}
.cta-band::before{
  content:"";position:absolute;inset:0;
  background-image:url('/assets/images/backpic/back-2.png');
  background-size:cover;background-position:center;
  opacity:.16;
}
.cta-inner{position:relative;display:grid;grid-template-columns:1.1fr .9fr;gap:40px;align-items:center;padding:70px 0}
.cta-inner h2{color:#fff;margin-bottom:12px}
.cta-inner p{color:rgba(255,255,255,.72);margin:0;font-size:16px}
.cta-form{display:flex;gap:10px;flex-wrap:wrap;background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.14);border-radius:16px;padding:18px}
.cta-form input{
  flex:1 1 200px;min-width:0;background:#fff;border:1px solid #fff;border-radius:10px;
  padding:13px 15px;font-size:15px;color:var(--ink);
  transition:border-color var(--ease),box-shadow var(--ease);
}
.cta-form input::placeholder{color:#A5A9AF}
.cta-form input:focus{outline:none;border-color:var(--brand);box-shadow:0 0 0 3px rgba(255,78,26,.28)}
.cta-form button{
  flex:0 0 auto;background:var(--brand);border:1px solid var(--brand);color:#fff;
  font-weight:700;font-size:15px;border-radius:10px;padding:13px 24px;cursor:pointer;
  transition:background var(--ease),transform var(--ease);
}
.cta-form button:hover{background:var(--brand-dark);border-color:var(--brand-dark);transform:translateY(-2px)}
.cta-form button:focus-visible{outline:2px solid var(--amber);outline-offset:2px}
.cta-note{font-size:12.5px;color:rgba(255,255,255,.5);margin-top:12px}

/* ============ 页脚 ============ */
.site-footer{background:var(--ink);color:rgba(255,255,255,.72);padding:64px 0 0;font-size:15px}
.site-footer .footer-brand{margin-bottom:16px}
.site-footer .brand-main{color:#fff}
.site-footer .brand-sub{color:var(--brand)}
.footer-note{font-size:14.5px;line-height:1.8;color:rgba(255,255,255,.62);margin-bottom:16px;max-width:340px}
.status-dot{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12.5px;font-weight:600;color:var(--mint);
  background:rgba(0,169,122,.12);border:1px solid rgba(0,169,122,.3);
  border-radius:999px;padding:3px 12px;
}
.status-dot::before{
  content:"";width:7px;height:7px;border-radius:50%;background:var(--mint);
  box-shadow:0 0 0 3px rgba(0,169,122,.2);
}
.footer-title{font-size:15px;font-weight:700;color:#fff;margin-bottom:16px}
.footer-links{display:flex;flex-direction:column;gap:11px}
.footer-links a{font-size:14.5px;color:rgba(255,255,255,.66)}
.footer-links a:hover{color:var(--brand)}
.footer-bottom{
  margin-top:48px;border-top:1px solid rgba(255,255,255,.12);
  padding:20px 0;display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;
  font-size:12.5px;color:rgba(255,255,255,.5);
}

/* ============ 响应式 ============ */
@media (max-width:1199.98px){
  .main-row{grid-template-columns:300px 1fr;gap:32px}
}
@media (max-width:991.98px){
  .nav-menu{display:none}
  .nav-toggle{display:inline-flex;align-items:center;justify-content:center}
  .hero-grid{grid-template-columns:1fr;gap:32px}
  .hero-actions{gap:10px}
  .main-row{grid-template-columns:1fr;gap:32px}
  .side-col{position:static}
  .help-grid{grid-template-columns:repeat(2,1fr)}
  .cta-inner{grid-template-columns:1fr;gap:26px;padding:56px 0}
  .section{padding:64px 0}
}
@media (max-width:767.98px){
  body{font-size:16px}
  .section{padding:48px 0}
  .container{padding:0 16px}
  .topbar-countdown{display:none}
  .header-inner{min-height:56px;gap:16px}
  .btn-cta{padding:10px 16px;font-size:14px}
  .help-grid{grid-template-columns:1fr}
  .update-item{grid-template-columns:1fr;gap:8px;align-items:flex-start}
  .update-item .up-tag{justify-self:start}
  .hero{padding:44px 0 52px}
  .side-card{padding:18px}
  .search-card{padding:18px}
}
@media (max-width:575.98px){
  h1{font-size:28px}
  h2{font-size:23px}
  .brand-main{font-size:15.5px}
  .hero-float{gap:12px;left:12px;right:12px;bottom:12px;padding:12px}
  .hero-float .fi b{font-size:19px}
  .faq .accordion-button{font-size:16px;padding-right:34px}
  .faq .accordion-body{padding-right:0;font-size:15px}
  .faq-lg .accordion-button{font-size:16.5px;padding-right:38px}
  .footer-bottom{flex-direction:column;gap:6px}
}