/* roulang page: index */
:root{
  --c-brand:#123C36;
  --c-brand-900:#0B2723;
  --c-brand-50:#E8F1EE;
  --c-accent:#FF5A1F;
  --c-accent-d:#E04513;
  --c-teal:#2FA98C;
  --c-amber:#FFD166;
  --c-bg:#F5F3EE;
  --c-surface:#FFFFFF;
  --c-text:#2B3733;
  --c-text-2:#5F6D68;
  --c-text-3:#8C9793;
  --c-line:#E3E0D8;
  --c-line-2:#EFEDE7;
  --c-ok:#2E9E6B;
  --c-warn:#E0A020;
  --c-err:#D64545;
  --r-card:14px;
  --r-lg:16px;
  --r-btn:10px;
  --r-pill:999px;
  --sh-1:0 1px 2px rgba(11,39,35,.06),0 2px 8px rgba(11,39,35,.06);
  --sh-2:0 8px 28px rgba(11,39,35,.12);
  --sh-3:0 18px 48px rgba(11,39,35,.18);
  --wrap:1200px;
  --gap:24px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  font-size:16px;line-height:1.8;color:var(--c-text);background:var(--c-bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0}
h1,h2,h3,h4,p,ul,ol,figure{margin:0}
ul,ol{padding:0;list-style:none}
a{color:inherit;text-decoration:none;transition:color .18s ease-out,background-color .18s ease-out,border-color .18s ease-out}
a:hover{color:var(--c-accent)}
button,input,select,textarea{font:inherit;color:inherit}
button{cursor:pointer;border:0;background:none}
:focus-visible{outline:2px solid var(--c-accent);outline-offset:2px}
.num{font-family:"Oswald","Barlow Condensed",system-ui,sans-serif;font-variant-numeric:tabular-nums;letter-spacing:.5px}

.container{width:100%;max-width:var(--wrap);margin:0 auto;padding:0 24px}

/* ---------- 顶部双层导航 ---------- */
.site-header{position:relative;z-index:80}
.brandbar{background:var(--c-brand);color:#fff}
.brandbar .container{display:flex;align-items:center;justify-content:space-between;gap:16px;height:56px}
.brand{display:inline-flex;align-items:center;gap:10px;color:#fff;font-size:17px;font-weight:700;letter-spacing:.2px;white-space:nowrap}
.brand:hover{color:#fff}
.brand-mark{width:28px;height:28px;flex:none;display:block}
.brandbar-links{display:flex;align-items:center;gap:18px;font-size:13px;color:rgba(255,255,255,.78)}
.brandbar-links a{color:rgba(255,255,255,.78)}
.brandbar-links a:hover{color:var(--c-accent)}
.brandbar-links .dot{width:6px;height:6px;border-radius:50%;background:var(--c-teal);display:inline-block;margin-right:6px}
.navbar{position:sticky;top:0;z-index:70;background:#fff;border-bottom:1px solid var(--c-line);transition:box-shadow .2s ease-out}
.navbar.is-stuck{box-shadow:var(--sh-1)}
.navbar .container{display:flex;align-items:center;height:52px;gap:12px}
.nav-list{display:flex;align-items:center;min-width:0}
.nav-list>li>a{position:relative;display:inline-flex;align-items:center;height:52px;padding:0 14px;font-size:15px;font-weight:500;color:var(--c-text);white-space:nowrap}
.nav-list>li:first-child>a{padding-left:0}
.nav-list>li>a::after{content:"";position:absolute;left:14px;right:14px;bottom:0;height:3px;background:var(--c-accent);transform:scaleX(0);transform-origin:left;transition:transform .2s ease-out;border-radius:3px 3px 0 0}
.nav-list>li:first-child>a::after{left:0}
.nav-list>li>a:hover::after{transform:scaleX(1)}
.nav-list>li>a.is-active{color:var(--c-brand);font-weight:600}
.nav-list>li>a.is-active::after{transform:scaleX(1)}
.nav-tools{margin-left:auto;display:flex;align-items:center;gap:10px}
.search-box{display:flex;align-items:center;gap:8px;height:38px;width:220px;padding:0 14px;border:1px solid var(--c-line);border-radius:var(--r-pill);background:#fff;transition:border-color .18s,box-shadow .18s}
.search-box:focus-within{border-color:var(--c-accent);box-shadow:var(--sh-1)}
.search-box svg{flex:none;color:var(--c-text-3)}
.search-box input{flex:1;min-width:0;border:0;outline:0;background:transparent;font-size:13px}
.search-box input::placeholder{color:var(--c-text-3)}
.trend{position:relative}
.trend-btn{display:inline-flex;align-items:center;gap:6px;height:38px;padding:0 12px;border-radius:var(--r-btn);font-size:13px;color:var(--c-text-2);transition:background-color .18s,color .18s}
.trend-btn:hover{background:var(--c-brand-50);color:var(--c-brand)}
.trend-panel{position:absolute;right:0;top:46px;width:296px;background:#fff;border-radius:var(--r-card);box-shadow:var(--sh-3);padding:10px;display:none}
.trend.is-open .trend-panel{display:block}
.trend-panel a{display:flex;align-items:center;gap:10px;padding:9px 12px;border-radius:10px;font-size:14px;color:var(--c-text-2)}
.trend-panel a:hover{background:var(--c-brand-50);color:var(--c-brand)}
.trend-panel .idx{font-size:13px;color:var(--c-text-3);width:16px;flex:none}
.search-icon-btn{display:none;align-items:center;justify-content:center;width:38px;height:38px;border-radius:var(--r-btn);color:var(--c-text-2)}
.search-icon-btn:hover{background:var(--c-brand-50);color:var(--c-brand)}
.mobile-search{display:none;position:fixed;inset:0;z-index:120;background:#fff;padding:20px 16px}
.mobile-search.is-open{display:block}
.mobile-search form{display:flex;gap:10px;align-items:center;height:48px;border:1px solid var(--c-line);border-radius:var(--r-pill);padding:0 16px}
.mobile-search input{flex:1;border:0;outline:0;font-size:15px;background:transparent}
.mobile-search .close-btn{margin-top:16px;width:100%;height:46px;border-radius:var(--r-btn);background:var(--c-brand-50);color:var(--c-brand);font-weight:500}

/* ---------- 通用板块 ---------- */
.section{padding:44px 0}
.sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:28px;flex-wrap:wrap}
.sec-head h2{font-size:30px;line-height:1.3;font-weight:700}
.sec-head h2::after{content:"";display:block;width:40px;height:4px;border-radius:2px;background:var(--c-accent);margin-top:10px}
.sec-sub{margin-top:8px;font-size:15px;color:var(--c-text-2);max-width:720px}
.sec-more{font-size:14px;font-weight:500;color:var(--c-brand);display:inline-flex;align-items:center;gap:6px;white-space:nowrap}
.sec-more:hover{color:var(--c-accent)}

.btn{display:inline-flex;align-items:center;justify-content:center;height:48px;padding:0 28px;border-radius:var(--r-btn);font-size:15px;font-weight:600;line-height:1;white-space:nowrap;transition:transform .18s ease-out,background-color .18s ease-out,color .18s ease-out,box-shadow .18s ease-out,border-color .18s ease-out}
.btn-primary{background:var(--c-accent);color:#fff}
.btn-primary:hover{background:var(--c-accent-d);color:#fff;transform:translateY(-2px);box-shadow:var(--sh-2)}
.btn-primary:active{transform:translateY(0);background:var(--c-accent-d)}
.btn-outline{border:1px solid var(--c-brand);color:var(--c-brand);background:#fff}
.btn-outline:hover{background:var(--c-brand);color:#fff}
.btn-ghost{color:var(--c-brand);background:transparent}
.btn-ghost:hover{background:var(--c-brand-50);color:var(--c-brand)}
.btn-sm{height:40px;padding:0 20px;font-size:14px}
.btn-disabled{background:#D9D6CF;color:#9A968E;cursor:not-allowed}
.btn-block{width:100%}

.tag{display:inline-flex;align-items:center;height:22px;padding:0 10px;border-radius:var(--r-pill);background:var(--c-brand-50);color:var(--c-brand);font-size:11px;font-weight:500}
.tag-teal{background:rgba(47,169,140,.14);color:#1F7A64}
.tag-amber{background:rgba(255,209,102,.34);color:#8A6410}

/* ---------- Hero ---------- */
.hero{position:relative;color:#fff;background:var(--c-brand-900);overflow:hidden}
.hero-bg{position:absolute;inset:0;background-image:url('/assets/images/backpic/back-1.webp');background-size:cover;background-position:center}
.hero-mask{position:absolute;inset:0;background:linear-gradient(180deg,rgba(11,39,35,.72),rgba(11,39,35,.86))}
.hero-arc{position:absolute;right:-60px;bottom:-80px;width:420px;height:420px;opacity:.08;pointer-events:none}
.hero-inner{position:relative;z-index:2;display:grid;grid-template-columns:58% 42%;gap:40px;align-items:center;padding:64px 0;min-height:540px}
.hero-badge{display:inline-flex;align-items:center;gap:8px;height:30px;padding:0 14px;border-radius:var(--r-pill);background:rgba(255,255,255,.14);border:1px solid rgba(255,255,255,.28);font-size:13px;color:#fff}
.hero-badge .dot{width:7px;height:7px;border-radius:50%;background:var(--c-accent)}
.hero h1{margin-top:20px;font-size:44px;line-height:1.2;font-weight:700;letter-spacing:-.5px;color:#fff;max-width:620px}
.hero-sub{margin-top:18px;font-size:18px;line-height:1.75;color:rgba(255,255,255,.82);max-width:600px}
.hero-cta{margin-top:28px;display:flex;gap:14px;flex-wrap:wrap}
.btn-light{border:1px solid rgba(255,255,255,.6);color:#fff;background:transparent}
.btn-light:hover{background:rgba(255,255,255,.12);color:#fff}
.hero-stats{margin-top:40px;display:grid;grid-template-columns:repeat(4,1fr);border-top:1px solid rgba(255,255,255,.18);padding-top:22px}
.hero-stats>div{padding-left:18px;border-left:1px solid rgba(255,255,255,.18)}
.hero-stats>div:first-child{padding-left:0;border-left:0}
.hero-stats .v{font-size:24px;color:#fff;line-height:1.2}
.hero-stats .k{margin-top:4px;font-size:13px;color:rgba(255,255,255,.66)}

.entry-card{background:#fff;color:var(--c-text);border-radius:var(--r-lg);box-shadow:var(--sh-3);padding:22px}
.entry-card .thumb{aspect-ratio:16/9;border-radius:var(--r-card);overflow:hidden;background:#EDEAE3;margin-bottom:18px}
.entry-card .thumb img{width:100%;height:100%;object-fit:cover}
.entry-card h2{font-size:19px;font-weight:600;line-height:1.45;margin-bottom:12px}
.entry-card h2::after{display:none}
.entry-list{display:flex;flex-direction:column;gap:12px;margin-bottom:18px}
.entry-list li{display:flex;gap:10px;align-items:flex-start;font-size:14px;line-height:1.6;color:var(--c-text-2)}
.entry-list svg{flex:none;margin-top:3px;color:var(--c-teal)}

/* ---------- 阶梯 ---------- */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;align-items:start}
.step{position:relative;background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-card);padding:26px 24px;box-shadow:var(--sh-1);transition:transform .2s ease-out,box-shadow .2s ease-out}
.step::before{content:"";position:absolute;top:0;left:0;right:0;height:4px;border-radius:var(--r-card) var(--r-card) 0 0;background:var(--c-teal)}
.step:hover{transform:translateY(-3px);box-shadow:var(--sh-2)}
.step:nth-child(2){margin-top:8px}
.step:nth-child(3){margin-top:16px}
.step:nth-child(4){margin-top:24px}
.step:nth-child(4)::before{background:var(--c-accent)}
.step .stage{font-size:22px;color:var(--c-brand);opacity:.35;line-height:1}
.step h3{margin-top:12px;font-size:19px;font-weight:600;line-height:1.45}
.step p{margin-top:10px;font-size:14px;line-height:1.7;color:var(--c-text-2)}
.step .badge{position:absolute;top:-11px;right:16px;height:22px;padding:0 10px;border-radius:var(--r-pill);background:var(--c-amber);color:#5C4308;font-size:11px;font-weight:600;display:inline-flex;align-items:center}

/* ---------- 对比 ---------- */
.compare-wrap{position:relative}
.compare-scroll{display:flex;gap:20px;overflow-x:auto;padding-bottom:10px;scrollbar-width:thin}
.compare-col{flex:1 1 0;min-width:0;background:#fff;border:1px solid var(--c-line);border-radius:var(--r-lg);padding:24px;display:flex;flex-direction:column}
.compare-col.is-reco{background:var(--c-brand-50);border:2px solid var(--c-accent)}
.compare-col .plan{font-size:13px;color:var(--c-text-3)}
.compare-col h3{margin-top:6px;font-size:22px;font-weight:700;color:var(--c-brand)}
.compare-col .price{margin-top:10px;font-size:15px;color:var(--c-text-2)}
.compare-col .reco-tag{align-self:flex-start;margin-bottom:12px;height:24px;padding:0 12px;border-radius:var(--r-pill);background:var(--c-accent);color:#fff;font-size:12px;font-weight:600;display:inline-flex;align-items:center}
.compare-rows{margin-top:18px;display:flex;flex-direction:column}
.compare-row{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:12px 0;border-bottom:1px dashed var(--c-line-2);font-size:14px}
.compare-col .compare-row:last-child{border-bottom:0}
.compare-row .k{color:var(--c-text-2)}
.compare-row .v{display:inline-flex;align-items:center;gap:6px;font-weight:500;color:var(--c-text)}
.compare-row .v svg{color:var(--c-teal)}
.compare-row .v.no{color:var(--c-text-3);font-weight:400}
.compare-row .v.no svg{color:var(--c-text-3)}
.compare-col .btn{margin-top:20px}
.compare-hint{display:none;font-size:12px;color:var(--c-text-3);margin-top:8px}

/* ---------- 限时横幅 ---------- */
.promo-band{position:relative;border-radius:var(--r-lg);overflow:hidden;background:var(--c-brand-900);color:#fff}
.promo-band .bg{position:absolute;inset:0;background-image:url('/assets/images/backpic/back-2.png');background-size:cover;background-position:center}
.promo-band .mask{position:absolute;inset:0;background:linear-gradient(90deg,rgba(11,39,35,.92),rgba(11,39,35,.78))}
.promo-inner{position:relative;z-index:2;display:flex;align-items:center;justify-content:space-between;gap:32px;padding:34px 40px;flex-wrap:wrap}
.promo-copy h2{font-size:26px;font-weight:700;line-height:1.35;color:#fff}
.promo-copy h2::after{display:none}
.promo-copy p{margin-top:8px;font-size:14px;color:rgba(255,255,255,.75);max-width:520px}
.countdown{display:flex;gap:12px;margin-top:20px}
.cd-item{width:78px;height:64px;border-radius:12px;background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.16);display:flex;flex-direction:column;align-items:center;justify-content:center}
.cd-item .cd-num{font-size:24px;line-height:1;color:var(--c-amber)}
.cd-item .cd-label{margin-top:5px;font-size:11px;color:rgba(255,255,255,.62)}

/* ---------- 资讯列表 ---------- */
.news-layout{display:grid;grid-template-columns:1fr 1fr;gap:24px;align-items:start}
.card{background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-card);overflow:hidden;display:flex;flex-direction:column;transition:transform .2s ease-out,box-shadow .2s ease-out}
.card:hover{transform:translateY(-3px);box-shadow:var(--sh-2)}
.card:hover h3{color:var(--c-accent)}
.card-cover{display:block;aspect-ratio:16/9;overflow:hidden;background:#EDEAE3}
.card-cover img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease-out}
.card:hover .card-cover img{transform:scale(1.04)}
.card-body{padding:24px;display:flex;flex-direction:column;gap:12px;flex:1}
.card h3{font-size:19px;line-height:1.45;font-weight:600;transition:color .2s ease-out;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.card-excerpt{font-size:14px;line-height:1.7;color:var(--c-text-2);display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}
.card-meta{margin-top:auto;display:flex;align-items:center;gap:8px;font-size:13px;color:var(--c-text-3)}
.card-meta .sep{width:1px;height:10px;background:var(--c-line)}
.news-mini-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.card-mini .card-body{padding:18px}
.card-mini h3{font-size:16px}
.card-mini .card-excerpt{font-size:13px;-webkit-line-clamp:2}
.empty-state{background:#fff;border:1px dashed var(--c-line);border-radius:var(--r-lg);padding:56px 24px;text-align:center;display:flex;flex-direction:column;align-items:center;gap:14px;grid-column:1 / -1}
.empty-state svg{color:var(--c-text-3)}
.empty-state p{font-size:15px;color:var(--c-text-2)}

/* ---------- 反馈 ---------- */
.trust-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.trust-card{background:#fff;border:1px solid var(--c-line);border-radius:var(--r-card);padding:24px;box-shadow:var(--sh-1);display:flex;flex-direction:column;gap:14px}
.trust-card .stars{display:flex;gap:4px;color:var(--c-amber)}
.trust-card p{font-size:15px;line-height:1.8;color:var(--c-text-2)}
.trust-card .who{display:flex;align-items:center;gap:10px;margin-top:auto;font-size:13px;color:var(--c-text-3)}
.trust-card .who .ava{width:34px;height:34px;border-radius:50%;background:var(--c-brand-50);color:var(--c-brand);display:flex;align-items:center;justify-content:center;font-size:13px;font-weight:600}
.trust-summary{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;margin-top:24px}
.trust-summary .item{background:var(--c-brand-50);border-radius:var(--r-card);padding:20px 22px}
.trust-summary .item .v{font-size:26px;color:var(--c-brand);line-height:1.2}
.trust-summary .item .k{margin-top:6px;font-size:13px;color:var(--c-text-2)}
.bar{height:6px;border-radius:3px;background:var(--c-line-2);margin-top:10px;overflow:hidden}
.bar i{display:block;height:100%;border-radius:3px;background:var(--c-teal)}

/* ---------- 表单 ---------- */
.contact-grid{display:grid;grid-template-columns:1fr 1.1fr;gap:40px;align-items:start}
.point-list{display:flex;flex-direction:column;gap:20px;margin-top:26px}
.point-list li{display:flex;gap:14px;align-items:flex-start}
.point-list .ico{flex:none;width:42px;height:42px;border-radius:12px;background:var(--c-brand-50);color:var(--c-brand);display:flex;align-items:center;justify-content:center}
.point-list h3{font-size:17px;font-weight:600}
.point-list p{margin-top:4px;font-size:14px;line-height:1.7;color:var(--c-text-2)}
.form-card{background:#fff;border-radius:var(--r-lg);box-shadow:var(--sh-2);padding:28px}
.form-card h3{font-size:20px;font-weight:600}
.form-card .form-note{margin-top:6px;font-size:13px;color:var(--c-text-3)}
.field{margin-top:18px}
.field label{display:block;font-size:14px;font-weight:500;margin-bottom:8px}
.field input,.field select,.field textarea{width:100%;height:46px;padding:0 14px;border:1px solid var(--c-line);border-radius:var(--r-btn);background:#fff;outline:0;font-size:15px;transition:border-color .18s,box-shadow .18s}
.field textarea{height:auto;min-height:112px;padding:12px 14px;resize:vertical;line-height:1.7}
.field input::placeholder,.field textarea::placeholder{color:var(--c-text-3)}
.field input:focus,.field select:focus,.field textarea:focus{border-color:var(--c-accent);box-shadow:0 0 0 3px rgba(255,90,31,.14)}
.field.has-error input,.field.has-error textarea{border-color:var(--c-err)}
.field .err-text{display:none;margin-top:6px;font-size:13px;color:var(--c-err)}
.field.has-error .err-text{display:block}
.check-row{display:flex;align-items:flex-start;gap:10px;margin-top:18px;font-size:13px;color:var(--c-text-2)}
.check-row input{width:16px;height:16px;height:16px;margin-top:3px;accent-color:var(--c-accent)}
.form-card .btn{margin-top:20px;height:50px}
.form-result{display:none;margin-top:14px;padding:12px 14px;border-radius:var(--r-btn);background:var(--c-brand-50);color:var(--c-brand);font-size:14px}

/* ---------- FAQ ---------- */
.faq{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.faq details{background:#fff;border:1px solid var(--c-line);border-radius:var(--r-card);overflow:hidden;transition:border-color .18s}
.faq details[open]{border-color:var(--c-brand);border-left:3px solid var(--c-accent)}
.faq summary{list-style:none;min-height:56px;padding:14px 20px;display:flex;align-items:center;justify-content:space-between;gap:16px;font-size:17px;font-weight:600;cursor:pointer}
.faq summary::-webkit-details-marker{display:none}
.faq summary .plus{flex:none;color:var(--c-text-3);transition:transform .2s ease-out,color .2s ease-out}
.faq details[open] summary .plus{transform:rotate(45deg);color:var(--c-accent)}
.faq .faq-body{padding:0 20px 18px;font-size:15px;line-height:1.8;color:var(--c-text-2)}

/* ---------- 页脚 ---------- */
.site-footer{margin-top:88px;background:var(--c-brand-900);color:rgba(255,255,255,.72);padding-top:56px}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:40px;padding-bottom:40px}
.site-footer .f-brand{display:inline-flex;align-items:center;gap:10px;color:#fff;font-size:17px;font-weight:700}
.site-footer .f-brand:hover{color:#fff}
.site-footer .f-desc{margin-top:14px;font-size:14px;line-height:1.8;color:rgba(255,255,255,.66);max-width:320px}
.social-row{display:flex;gap:10px;margin-top:18px}
.social-row a{width:36px;height:36px;border-radius:10px;border:1px solid rgba(255,255,255,.16);display:flex;align-items:center;justify-content:center;color:rgba(255,255,255,.72)}
.social-row a:hover{color:var(--c-accent);border-color:var(--c-accent)}
.site-footer h4{font-size:15px;font-weight:600;color:#fff;margin-bottom:16px}
.site-footer .f-links{display:flex;flex-direction:column;gap:10px}
.site-footer .f-links a{font-size:14px;color:rgba(255,255,255,.7)}
.site-footer .f-links a:hover{color:var(--c-accent)}
.footer-bottom{border-top:1px solid rgba(255,255,255,.12);padding:18px 0;display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;font-size:13px;color:rgba(255,255,255,.5)}
.footer-bottom a{color:rgba(255,255,255,.5)}
.footer-bottom a:hover{color:var(--c-accent)}

/* ---------- 响应式 ---------- */
@media (max-width:1280px){
  .nav-list>li>a{padding:0 12px;font-size:14px}
  .search-box{width:180px}
}
@media (max-width:1024px){
  .hero-inner{grid-template-columns:1fr;gap:32px;min-height:0;padding:56px 0}
  .hero h1{font-size:38px}
  .steps{grid-template-columns:repeat(2,1fr)}
  .step:nth-child(2),.step:nth-child(3),.step:nth-child(4){margin-top:0}
  .news-layout{grid-template-columns:1fr}
  .contact-grid{grid-template-columns:1fr;gap:32px}
  .trust-grid{grid-template-columns:1fr 1fr}
  .trust-summary{grid-template-columns:repeat(2,1fr)}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
}
@media (max-width:768px){
  .container{padding:0 16px}
  .section{padding:28px 0}
  .sec-head h2{font-size:24px}
  .navbar .container{flex-wrap:wrap;height:auto;padding-top:8px;padding-bottom:8px;gap:8px}
  .nav-tools{order:1;margin-left:auto;width:100%;justify-content:flex-end}
  .search-box{display:none}
  .search-icon-btn{display:flex}
  .trend-btn{padding:0 10px}
  .nav-list{order:2;width:100%;overflow-x:auto;gap:8px;padding-bottom:2px;scrollbar-width:none}
  .nav-list::-webkit-scrollbar{display:none}
  .nav-list>li>a{height:36px;padding:0 14px;border:1px solid var(--c-line);border-radius:var(--r-pill);font-size:14px}
  .nav-list>li:first-child>a{padding-left:14px}
  .nav-list>li>a::after{display:none}
  .nav-list>li>a.is-active{background:var(--c-brand-50);color:var(--c-brand);border-color:var(--c-brand-50)}
  .brandbar .container{height:52px}
  .brand{font-size:15px}
  .brandbar-links .hide-sm{display:none}
  .hero h1{font-size:30px;letter-spacing:0}
  .hero-sub{font-size:16px}
  .hero-stats{grid-template-columns:repeat(2,1fr);gap:18px 0}
  .hero-stats>div:nth-child(3){padding-left:0;border-left:0}
  .steps{grid-template-columns:1fr}
  .compare-col{flex:0 0 260px}
  .compare-hint{display:block}
  .promo-inner{padding:26px 20px}
  .cd-item{width:64px;height:56px}
  .cd-item .cd-num{font-size:20px}
  .news-mini-grid{grid-template-columns:1fr}
  .faq{grid-template-columns:1fr}
  .trust-grid{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr;gap:28px}
  .site-footer{margin-top:56px;padding-top:40px}
  .card h3{font-size:17px}
}
@media (max-width:560px){
  .hero-cta .btn{width:100%}
  .hero-cta{flex-direction:column}
  .countdown{width:100%}
  .cd-item{flex:1;width:auto}
  .promo-copy h2{font-size:21px}
  .trust-summary{grid-template-columns:1fr}
  .form-card{padding:20px}
  .footer-bottom{flex-direction:column;gap:8px}
}
@media (max-width:400px){
  .hero h1{font-size:26px}
  .step{padding:20px 18px}
}

/* roulang page: category1 */
:root{
  --c-brand:#123C36;
  --c-brand-900:#0B2723;
  --c-brand-50:#E8F1EE;
  --c-accent:#FF5A1F;
  --c-accent-d:#E04513;
  --c-teal:#2FA98C;
  --c-amber:#FFD166;
  --c-bg:#F5F3EE;
  --c-surface:#FFFFFF;
  --c-text:#2B3733;
  --c-text-2:#5F6D68;
  --c-text-3:#8C9793;
  --c-line:#E3E0D8;
  --c-line-2:#EFEDE7;
  --c-success:#2E9E6B;
  --c-warn:#E0A020;
  --c-error:#D64545;
  --r-card:14px;
  --r-lg:16px;
  --r-btn:10px;
  --sh-1:0 1px 2px rgba(11,39,35,.06),0 2px 8px rgba(11,39,35,.06);
  --sh-2:0 8px 28px rgba(11,39,35,.12);
  --sh-3:0 18px 48px rgba(11,39,35,.18);
  --sp-section:88px;
  --font-sans:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  --font-num:"Oswald","Barlow Condensed","DIN Alternate",ui-monospace,monospace;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{margin:0;background:var(--c-bg);color:var(--c-text);font-family:var(--font-sans);font-size:16px;line-height:1.8;font-weight:400;-webkit-font-smoothing:antialiased}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none;transition:color .18s ease-out}
a:hover{color:var(--c-accent)}
h1,h2,h3,h4,p,ul,ol,figure{margin:0}
ul,ol{padding:0;list-style:none}
button{font-family:inherit;cursor:pointer;border:0;background:none}
input,select,textarea{font-family:inherit;font-size:15px;color:var(--c-text)}
:focus-visible{outline:2px solid var(--c-accent);outline-offset:2px}
.container{max-width:1200px;margin:0 auto;padding:0 24px;width:100%}

/* ---------- 吸顶双层导航 ---------- */
.site-header{position:sticky;top:-56px;z-index:100}
.brandbar{background:var(--c-brand);height:56px;color:#fff}
.brandbar .container{height:56px;display:flex;align-items:center;justify-content:space-between;gap:16px}
.brand{display:inline-flex;align-items:center;gap:10px;font-size:17px;font-weight:600;color:#fff;letter-spacing:.2px}
.brand:hover{color:#fff}
.brand-mark{width:26px;height:26px;flex:none}
.brandbar-links{display:flex;align-items:center;gap:20px;font-size:13px;color:rgba(255,255,255,.78)}
.brandbar-links a{color:rgba(255,255,255,.78)}
.brandbar-links a:hover{color:var(--c-accent)}
.dot{display:inline-block;width:7px;height:7px;border-radius:50%;background:var(--c-teal);margin-right:6px;vertical-align:middle}
.menu-toggle{display:none;width:38px;height:38px;border-radius:10px;color:#fff;align-items:center;justify-content:center;border:1px solid rgba(255,255,255,.24)}
.navbar{background:#fff;border-bottom:1px solid var(--c-line);transition:box-shadow .2s ease-out}
.navbar.is-stuck{box-shadow:var(--sh-1)}
.navbar .container{height:52px;display:flex;align-items:center;justify-content:space-between;gap:20px}
.nav-list{display:flex;align-items:center;overflow-x:auto;scrollbar-width:none}
.nav-list::-webkit-scrollbar{display:none}
.nav-list a{display:inline-block;padding:0 22px 0 0;font-size:15px;font-weight:500;color:var(--c-text);white-space:nowrap;line-height:52px;position:relative}
.nav-list a::after{content:"";position:absolute;left:0;right:22px;bottom:12px;height:3px;border-radius:3px;background:transparent;transition:background .18s ease-out}
.nav-list a:hover{color:var(--c-brand)}
.nav-list a:hover::after{background:var(--c-brand-50)}
.nav-list a.is-active{color:var(--c-brand);font-weight:600}
.nav-list a.is-active::after{background:var(--c-accent)}
.nav-tools{display:flex;align-items:center;gap:14px;flex:none}
.search-box{display:flex;align-items:center;gap:8px;height:38px;width:220px;padding:0 14px;border:1px solid var(--c-line);border-radius:999px;background:#fff;color:var(--c-text-3);transition:border-color .18s ease-out,box-shadow .18s ease-out}
.search-box:focus-within{border-color:var(--c-accent);box-shadow:var(--sh-1)}
.search-box input{border:0;outline:0;background:none;width:100%;font-size:13px}
.search-icon-btn{display:none;width:38px;height:38px;border:1px solid var(--c-line);border-radius:10px;align-items:center;justify-content:center;color:var(--c-text-2)}
.trend{position:relative}
.trend-btn{display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:500;color:var(--c-text-2);padding:8px 4px}
.trend-btn:hover{color:var(--c-accent)}
.trend-panel{position:absolute;right:0;top:calc(100% + 12px);width:280px;background:#fff;border:1px solid var(--c-line);border-radius:14px;box-shadow:var(--sh-3);padding:10px;display:none}
.trend.is-open .trend-panel{display:block}
.trend-panel a{display:flex;gap:10px;align-items:center;padding:9px 12px;border-radius:10px;font-size:14px;color:var(--c-text-2)}
.trend-panel a:hover{background:var(--c-brand-50);color:var(--c-brand)}
.trend-panel .idx{font-family:var(--font-num);font-size:13px;color:var(--c-accent);width:18px;flex:none}
.mobile-menu{display:none;background:#fff;border-bottom:1px solid var(--c-line);padding:12px 0 18px}
.mobile-menu.is-open{display:block}
.mobile-menu .container{display:grid;gap:6px}
.mobile-menu a{padding:11px 4px;font-size:15px;color:var(--c-text-2);border-bottom:1px solid var(--c-line-2)}
.mobile-menu a.is-active{color:var(--c-brand);font-weight:600}
.mobile-search{display:none;background:#fff;padding:12px 0 16px;border-bottom:1px solid var(--c-line)}
.mobile-search.is-open{display:block}
.mobile-search .search-box{width:100%}

/* ---------- Hero ---------- */
.hero{position:relative;color:#fff;background:linear-gradient(180deg,rgba(11,39,35,.80),rgba(11,39,35,.90)),url('/assets/images/backpic/back-1.webp') center/cover no-repeat;padding:34px 0 56px;overflow:hidden}
.hero::after{content:"";position:absolute;right:-80px;bottom:-100px;width:320px;height:320px;border-radius:50%;border:1px solid rgba(255,255,255,.14);opacity:.5;pointer-events:none}
.crumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:rgba(255,255,255,.72);margin-bottom:26px}
.crumb a{color:rgba(255,255,255,.72)}
.crumb a:hover{color:var(--c-accent)}
.crumb .sep{color:rgba(255,255,255,.38)}
.badge{display:inline-flex;align-items:center;gap:8px;padding:6px 14px;border-radius:999px;background:rgba(255,255,255,.14);border:1px solid rgba(255,255,255,.26);font-size:13px;color:#fff}
.badge i{width:7px;height:7px;border-radius:50%;background:var(--c-accent);display:inline-block}
.hero h1{font-size:44px;line-height:1.2;font-weight:700;letter-spacing:-.5px;max-width:720px;margin:20px 0 18px}
.hero-lead{max-width:720px;font-size:17px;line-height:1.8;color:rgba(255,255,255,.82)}
.hero-cta{display:flex;flex-wrap:wrap;gap:14px;margin-top:30px}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;height:48px;padding:0 28px;border-radius:var(--r-btn);font-size:15px;font-weight:600;line-height:1;white-space:nowrap;transition:transform .18s ease-out,background .18s ease-out,box-shadow .18s ease-out,color .18s ease-out}
.btn-primary{background:var(--c-accent);color:#fff}
.btn-primary:hover{background:var(--c-accent-d);color:#fff;transform:translateY(-2px);box-shadow:var(--sh-2)}
.btn-primary:active{transform:translateY(1px)}
.btn-ghost-light{border:1px solid rgba(255,255,255,.55);color:#fff}
.btn-ghost-light:hover{background:rgba(255,255,255,.12);color:#fff}
.btn-secondary{background:#fff;border:1px solid var(--c-brand);color:var(--c-brand)}
.btn-secondary:hover{background:var(--c-brand);color:#fff}
.btn-sm{height:38px;padding:0 18px;font-size:14px;border-radius:var(--r-btn)}
.hero-stats{display:grid;grid-template-columns:repeat(4,1fr);gap:0;margin-top:44px;border-top:1px solid rgba(255,255,255,.18);padding-top:26px;max-width:820px}
.hero-stats div{padding-right:20px;border-right:1px solid rgba(255,255,255,.18)}
.hero-stats div:last-child{border-right:0}
.hero-stats .num{font-family:var(--font-num);font-size:26px;font-weight:500;letter-spacing:.5px;color:#fff;display:block}
.hero-stats .lbl{font-size:13px;color:rgba(255,255,255,.68)}

/* ---------- 板块通用 ---------- */
.section{padding:var(--sp-section) 0}
.section-tight{padding:56px 0}
.section-head{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:16px;margin-bottom:28px}
.section-head h2{font-size:30px;line-height:1.3;font-weight:700;letter-spacing:-.2px}
.section-head h2::after{content:"";display:block;width:40px;height:4px;border-radius:2px;background:var(--c-accent);margin-top:14px}
.section-head p{font-size:15px;color:var(--c-text-2);max-width:560px}

/* ---------- 侧栏 + 纵向条目 ---------- */
.layout{display:grid;grid-template-columns:260px 1fr;gap:32px;align-items:start}
.sidebar{background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-lg);padding:22px;box-shadow:var(--sh-1);position:sticky;top:78px}
.sidebar h3{font-size:13px;font-weight:600;letter-spacing:.6px;color:var(--c-text-3);text-transform:none;margin-bottom:6px}
.filter-group{padding-bottom:18px;margin-bottom:18px;border-bottom:1px solid var(--c-line-2)}
.filter-group:last-of-type{border-bottom:0;margin-bottom:6px;padding-bottom:6px}
.check{display:flex;align-items:center;gap:10px;padding:8px 0;font-size:14px;color:var(--c-text-2);cursor:pointer}
.check:hover{color:var(--c-brand)}
.check input{appearance:none;-webkit-appearance:none;width:18px;height:18px;flex:none;border:1px solid var(--c-line);border-radius:5px;background:#fff;position:relative;transition:background .18s ease-out,border-color .18s ease-out}
.check input:checked{background:var(--c-brand);border-color:var(--c-brand)}
.check input:checked::after{content:"";position:absolute;left:5px;top:1px;width:5px;height:10px;border:2px solid #fff;border-top:0;border-left:0;transform:rotate(45deg)}
.sidebar-note{font-size:13px;color:var(--c-text-3);line-height:1.7;padding-top:14px;border-top:1px solid var(--c-line-2)}
.sidebar-card{margin-top:18px;background:var(--c-brand-50);border-radius:var(--r-card);padding:16px}
.sidebar-card strong{display:block;font-size:14px;font-weight:600;color:var(--c-brand);margin-bottom:6px}
.sidebar-card p{font-size:13px;color:var(--c-text-2);line-height:1.7;margin-bottom:12px}

.entry-list{display:flex;flex-direction:column;gap:16px}
.entry-card{display:grid;grid-template-columns:200px 1fr;gap:20px;background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-card);padding:18px;box-shadow:var(--sh-1);transition:transform .2s ease-out,box-shadow .2s ease-out}
.entry-card:hover{transform:translateY(-3px);box-shadow:var(--sh-2)}
.entry-media{width:200px;aspect-ratio:16/10;border-radius:var(--r-card);overflow:hidden;background:#EDEAE3}
.entry-media img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease-out}
.entry-card:hover .entry-media img{transform:scale(1.04)}
.entry-body{display:flex;flex-direction:column;gap:8px;min-width:0}
.tag-row{display:flex;flex-wrap:wrap;gap:8px}
.tag{display:inline-flex;align-items:center;padding:3px 10px;border-radius:999px;background:var(--c-brand-50);color:var(--c-brand);font-size:11px;font-weight:500}
.tag-teal{background:rgba(47,169,140,.13);color:#1F7A64}
.tag-amber{background:rgba(255,209,102,.28);color:#8A6210}
.entry-body h3{font-size:19px;line-height:1.45;font-weight:600}
.entry-card:hover h3{color:var(--c-accent)}
.entry-body p{font-size:14px;line-height:1.7;color:var(--c-text-2)}
.entry-foot{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:10px;margin-top:auto;padding-top:10px;border-top:1px solid var(--c-line-2);font-size:13px;color:var(--c-text-3)}
.link-arrow{font-size:13px;font-weight:600;color:var(--c-brand)}
.link-arrow:hover{color:var(--c-accent)}

/* ---------- 相关入口条 ---------- */
.links-strip{display:flex;flex-wrap:wrap;gap:12px}
.pill-link{display:inline-flex;align-items:center;gap:8px;padding:12px 18px;border-radius:999px;background:var(--c-surface);border:1px solid var(--c-line);font-size:14px;font-weight:500;color:var(--c-text-2);transition:border-color .18s ease-out,color .18s ease-out,transform .18s ease-out}
.pill-link:hover{border-color:var(--c-brand);color:var(--c-brand);transform:translateY(-2px)}

/* ---------- CTA 横幅 ---------- */
.cta-band{position:relative;background:linear-gradient(180deg,rgba(11,39,35,.88),rgba(11,39,35,.94)),url('/assets/images/backpic/back-3.webp') center/cover no-repeat;color:#fff;border-radius:var(--r-lg);padding:48px;display:grid;grid-template-columns:1.4fr .9fr;gap:32px;align-items:center;overflow:hidden}
.cta-band h2{font-size:30px;line-height:1.3;font-weight:700;margin-bottom:14px}
.cta-band p{font-size:15px;line-height:1.8;color:rgba(255,255,255,.78);max-width:560px}
.cta-actions{display:flex;flex-direction:column;gap:12px}
.cta-actions .btn{width:100%}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--c-brand-900);color:#fff;padding:64px 0 0;margin-top:88px}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:40px;padding-bottom:44px}
.f-brand{display:inline-flex;align-items:center;gap:10px;font-size:17px;font-weight:600;color:#fff;margin-bottom:14px}
.f-brand:hover{color:#fff}
.f-desc{font-size:14px;line-height:1.8;color:rgba(255,255,255,.7);max-width:320px}
.social-row{display:flex;gap:10px;margin-top:18px}
.social-row a{width:36px;height:36px;border-radius:10px;border:1px solid rgba(255,255,255,.2);display:inline-flex;align-items:center;justify-content:center;color:rgba(255,255,255,.72)}
.social-row a:hover{color:var(--c-accent);border-color:var(--c-accent)}
.site-footer h4{font-size:15px;font-weight:600;color:#fff;margin-bottom:16px}
.f-links{display:grid;gap:10px}
.f-links a{font-size:14px;color:rgba(255,255,255,.7)}
.f-links a:hover{color:var(--c-accent)}
.footer-bottom{border-top:1px solid rgba(255,255,255,.12);padding:20px 0 26px;display:flex;flex-wrap:wrap;justify-content:space-between;gap:12px;font-size:13px;color:rgba(255,255,255,.55)}

/* ---------- 响应式 ---------- */
@media (max-width:1024px){
  .layout{grid-template-columns:1fr}
  .sidebar{position:static}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  .cta-band{grid-template-columns:1fr;padding:40px 32px}
  .hero h1{font-size:36px}
}
@media (max-width:768px){
  :root{--sp-section:56px}
  .container{padding:0 16px}
  .brandbar-links .hide-sm{display:none}
  .menu-toggle{display:inline-flex}
  .nav-tools{display:none}
  .navbar .container{height:auto;padding-top:6px;padding-bottom:6px}
  .nav-list{width:100%;gap:2px}
  .nav-list a{line-height:44px;padding-right:18px;font-size:14px}
  .nav-list a::after{bottom:6px;right:18px}
  .search-icon-btn{display:inline-flex}
  .hero{padding:24px 0 44px}
  .hero h1{font-size:30px}
  .hero-lead{font-size:16px}
  .hero-stats{grid-template-columns:1fr 1fr;gap:20px 0;padding-top:20px;margin-top:32px}
  .hero-stats div{border-right:0}
  .section-head h2{font-size:24px}
  .entry-card{grid-template-columns:1fr;padding:16px}
  .entry-media{width:100%}
  .cta-band{padding:32px 22px}
  .cta-band h2{font-size:24px}
  .footer-grid{grid-template-columns:1fr;gap:28px}
  .site-footer{padding-top:48px}
}
@media (max-width:560px){
  .hero-cta .btn{width:100%}
  .hero-stats .num{font-size:22px}
  .entry-foot{flex-direction:column;align-items:flex-start}
}
@media (max-width:400px){
  .brand{font-size:15px}
  .brand-mark{width:22px;height:22px}
}

/* roulang page: article */
:root{
  --c-brand:#123C36;
  --c-brand-900:#0B2723;
  --c-brand-50:#E8F1EE;
  --c-accent:#FF5A1F;
  --c-accent-d:#E04513;
  --c-teal:#2FA98C;
  --c-amber:#FFD166;
  --c-bg:#F5F3EE;
  --c-surface:#FFFFFF;
  --c-text:#2B3733;
  --c-text-2:#5F6D68;
  --c-text-3:#8C9793;
  --c-line:#E3E0D8;
  --c-line-2:#EFEDE7;
  --c-success:#2E9E6B;
  --c-warn:#E0A020;
  --c-error:#D64545;
  --r-card:14px;
  --r-lg:16px;
  --r-btn:10px;
  --r-pill:999px;
  --sh-1:0 1px 2px rgba(11,39,35,.06),0 2px 8px rgba(11,39,35,.06);
  --sh-2:0 8px 28px rgba(11,39,35,.12);
  --sh-3:0 18px 48px rgba(11,39,35,.18);
  --font-sans:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Helvetica Neue",Arial,sans-serif;
  --font-num:"Oswald","Barlow Condensed","PingFang SC",sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:var(--font-sans);
  font-size:16px;
  line-height:1.8;
  color:var(--c-text);
  background:var(--c-bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;height:auto}
a{color:inherit;text-decoration:none;transition:color .18s ease-out}
a:hover{color:var(--c-accent)}
button,input,select,textarea{font:inherit;color:inherit}
button{cursor:pointer}
ul,ol{margin:0;padding:0}
h1,h2,h3,h4,p{margin:0}
:focus-visible{outline:2px solid var(--c-accent);outline-offset:2px}
.container{max-width:1200px;margin:0 auto;padding:0 24px}

/* ---------- header ---------- */
.site-header{position:relative;z-index:60}
.brandbar{background:var(--c-brand);color:#fff;height:56px;overflow:hidden;transition:height .28s ease,opacity .28s ease}
.site-header.scrolled .brandbar{height:0;opacity:0}
.brandbar .container{height:56px;display:flex;align-items:center;justify-content:space-between;gap:16px}
.brand{display:inline-flex;align-items:center;gap:10px;color:#fff;font-size:17px;font-weight:700;letter-spacing:.2px;white-space:nowrap}
.brand:hover{color:#fff}
.brand-mark{width:24px;height:24px;flex:none}
.brandbar-links{display:flex;align-items:center;gap:20px;font-size:13px;color:rgba(255,255,255,.78)}
.brandbar-links a{color:rgba(255,255,255,.78)}
.brandbar-links a:hover{color:var(--c-accent)}
.brandbar-links .dot{display:inline-block;width:7px;height:7px;border-radius:50%;background:var(--c-success);margin-right:7px;vertical-align:middle}

.navbar{position:sticky;top:0;z-index:60;background:#fff;border-bottom:1px solid var(--c-line);transition:box-shadow .2s ease}
.site-header.scrolled .navbar{box-shadow:var(--sh-1)}
.navbar .container{display:flex;align-items:center;height:52px;gap:12px}
.nav-list{display:flex;align-items:center;list-style:none}
.nav-list a{position:relative;display:inline-block;padding-right:22px;font-size:15px;font-weight:500;line-height:52px;color:var(--c-text)}
.nav-list a::after{content:"";position:absolute;left:0;right:22px;bottom:12px;height:3px;border-radius:2px;background:var(--c-accent);transform:scaleX(0);transform-origin:left;transition:transform .18s ease-out}
.nav-list a:hover{color:var(--c-brand)}
.nav-list a:hover::after,.nav-list a.is-active::after{transform:scaleX(1)}
.nav-list a.is-active{color:var(--c-brand);font-weight:600}
.nav-tools{display:flex;align-items:center;gap:12px;margin-left:auto}
.search-box{display:flex;align-items:center;gap:8px;height:38px;width:220px;padding:0 14px;border:1px solid var(--c-line);border-radius:var(--r-pill);background:var(--c-bg);transition:border-color .18s ease,box-shadow .18s ease,background .18s ease}
.search-box:focus-within{border-color:var(--c-accent);background:#fff;box-shadow:var(--sh-1)}
.search-box svg{color:var(--c-text-3);flex:none}
.search-box input{border:0;background:transparent;outline:none;width:100%;font-size:14px}
.search-box input::placeholder{color:var(--c-text-3)}
.search-icon-btn{display:none;width:38px;height:38px;align-items:center;justify-content:center;border:1px solid var(--c-line);border-radius:50%;background:#fff;color:var(--c-text-2)}
.search-icon-btn:hover{border-color:var(--c-accent);color:var(--c-accent)}
.trend{position:relative}
.trend-btn{display:inline-flex;align-items:center;gap:6px;height:38px;padding:0 13px;border:1px solid var(--c-line);border-radius:var(--r-pill);background:#fff;color:var(--c-text-2);font-size:14px}
.trend-btn:hover{border-color:var(--c-accent);color:var(--c-accent)}
.trend-panel{position:absolute;right:0;top:calc(100% + 10px);width:300px;padding:10px;background:#fff;border:1px solid var(--c-line);border-radius:var(--r-card);box-shadow:var(--sh-3);opacity:0;visibility:hidden;transform:translateY(-6px);transition:all .18s ease-out;z-index:70}
.trend.is-open .trend-panel{opacity:1;visibility:visible;transform:translateY(0)}
.trend-panel a{display:flex;align-items:center;gap:12px;padding:10px 12px;border-radius:10px;font-size:14px;color:var(--c-text-2)}
.trend-panel a:hover{background:var(--c-brand-50);color:var(--c-brand)}
.trend-panel .n{font-family:var(--font-num);font-size:13px;color:var(--c-accent);width:16px;flex:none}
.mobile-search{display:none;position:fixed;left:0;right:0;top:52px;z-index:55;padding:12px 0;background:#fff;border-bottom:1px solid var(--c-line);box-shadow:var(--sh-2)}
.mobile-search.is-open{display:block}
.mobile-search form{display:flex;gap:10px}
.mobile-search input{flex:1;height:44px;padding:0 14px;border:1px solid var(--c-line);border-radius:var(--r-btn);outline:none}
.mobile-search input:focus{border-color:var(--c-accent);box-shadow:0 0 0 3px rgba(255,90,31,.14)}
.mobile-search button{height:44px;padding:0 20px;border:0;border-radius:var(--r-btn);background:var(--c-accent);color:#fff;font-weight:600}
.mobile-search button:hover{background:var(--c-accent-d)}

/* ---------- breadcrumb ---------- */
.crumb-bar{padding-top:18px}
.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:14px;color:var(--c-text-3)}
.breadcrumb a{color:var(--c-text-2)}
.breadcrumb a:hover{color:var(--c-accent)}
.breadcrumb .sep{color:var(--c-text-3)}
.breadcrumb .current{max-width:360px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;color:var(--c-text-2)}

/* ---------- article head ---------- */
.article-head{padding:28px 0 0}
.article-head-inner{max-width:820px}
.cat-tag{display:inline-block;padding:5px 14px;border-radius:var(--r-pill);background:var(--c-brand-50);color:var(--c-brand);font-size:13px;font-weight:600}
.cat-tag:hover{background:var(--c-brand);color:#fff}
.article-head h1{margin:16px 0 18px;font-size:34px;line-height:1.35;font-weight:700;letter-spacing:-.5px;color:var(--c-text)}
.meta-row{display:flex;flex-wrap:wrap;align-items:center;gap:12px;font-size:13px;color:var(--c-text-3)}
.meta-row .bar{width:1px;height:12px;background:var(--c-line)}
.meta-row .num{font-family:var(--font-num);letter-spacing:.5px}

/* ---------- article layout ---------- */
.article-layout{display:grid;grid-template-columns:minmax(0,1fr) 220px;gap:48px;padding-top:40px;padding-bottom:80px}
.article-main{max-width:820px;min-width:0}
.article-body{font-size:17px;line-height:1.9;color:var(--c-text);background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-lg);padding:36px 40px;box-shadow:var(--sh-1)}
.article-body p{margin:0 0 22px}
.article-body h2{margin:40px 0 16px;font-size:26px;line-height:1.4;font-weight:700;color:var(--c-brand)}
.article-body h2::before{content:"";display:block;width:40px;height:4px;border-radius:2px;background:var(--c-accent);margin-bottom:14px}
.article-body h2:first-child{margin-top:0}
.article-body h3{margin:28px 0 12px;font-size:19px;line-height:1.45;font-weight:600;color:var(--c-text)}
.article-body h4{margin:22px 0 10px;font-size:17px;font-weight:600}
.article-body strong{font-weight:600;color:var(--c-brand)}
.article-body ul{list-style:none;margin:0 0 22px}
.article-body ul li{position:relative;padding-left:22px;margin-bottom:10px}
.article-body ul li::before{content:"";position:absolute;left:0;top:.78em;width:8px;height:8px;border-radius:2px;background:var(--c-teal)}
.article-body ol{margin:0 0 22px;padding-left:24px}
.article-body ol li{margin-bottom:10px}
.article-body blockquote{margin:24px 0;padding:16px 22px;background:var(--c-brand-50);border-left:4px solid var(--c-accent);border-radius:0 var(--r-card) var(--r-card) 0;color:var(--c-text-2)}
.article-body blockquote p:last-child{margin-bottom:0}
.article-body figure{margin:26px 0}
.article-body img{border-radius:14px;margin:0 auto}
.article-body figcaption{margin-top:10px;font-size:14px;color:var(--c-text-3);text-align:center}
.article-body table{width:100%;border-collapse:collapse;margin:24px 0;font-size:15px}
.article-body th,.article-body td{padding:12px 14px;border:1px solid var(--c-line);text-align:left}
.article-body thead th{background:var(--c-brand-50);color:var(--c-brand);font-weight:600}
.article-body tbody tr:nth-child(even){background:#FAF9F6}
.article-body a{color:var(--c-brand);border-bottom:1px solid var(--c-line)}
.article-body a:hover{color:var(--c-accent);border-bottom-color:var(--c-accent)}
.article-body hr{border:0;border-top:1px solid var(--c-line-2);margin:32px 0}

/* ---------- toc ---------- */
.article-aside{min-width:0}
.toc-card{position:sticky;top:80px;padding:18px;background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-card);box-shadow:var(--sh-1)}
.toc-card h3{margin:0 0 12px;font-size:15px;font-weight:600;color:var(--c-brand)}
.toc-card ul{list-style:none;font-size:14px;line-height:1.6}
.toc-card li{margin-bottom:6px}
.toc-card a{display:block;padding:4px 0 4px 10px;border-left:2px solid transparent;color:var(--c-text-2)}
.toc-card a:hover,.toc-card a.is-active{color:var(--c-accent);border-left-color:var(--c-accent)}

/* ---------- article foot ---------- */
.article-foot{margin-top:40px;padding-top:28px;border-top:1px solid var(--c-line);display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:20px}
.tag-block{display:flex;align-items:center;flex-wrap:wrap;gap:12px}
.tag-block-title{font-size:14px;color:var(--c-text-3)}
.tag-list{display:flex;flex-wrap:wrap;gap:10px}
.tag{padding:6px 14px;border:1px solid var(--c-line);border-radius:var(--r-pill);background:var(--c-surface);font-size:13px;color:var(--c-text-2)}
.tag:hover{border-color:var(--c-accent);color:var(--c-accent)}

/* ---------- buttons ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;height:48px;padding:0 28px;border:1px solid transparent;border-radius:var(--r-btn);font-size:15px;font-weight:600;white-space:nowrap;transition:all .18s ease-out}
.btn-primary{background:var(--c-accent);color:#fff}
.btn-primary:hover{background:var(--c-accent-d);color:#fff;transform:translateY(-2px);box-shadow:var(--sh-2)}
.btn-primary:active{transform:translateY(0)}
.btn-outline{border-color:var(--c-brand);background:var(--c-surface);color:var(--c-brand)}
.btn-outline:hover{background:var(--c-brand);color:#fff}
.btn-light{border-color:rgba(255,255,255,.6);background:transparent;color:#fff}
.btn-light:hover{background:rgba(255,255,255,.12);color:#fff}
.btn-ghost{background:transparent;color:var(--c-brand)}
.btn-ghost:hover{background:var(--c-brand-50)}

/* ---------- empty ---------- */
.empty-state{padding:64px 24px;text-align:center;background:var(--c-surface);border:1px dashed var(--c-line);border-radius:var(--r-lg)}
.empty-state svg{color:var(--c-text-3);margin:0 auto 14px}
.empty-state p{margin-bottom:20px;color:var(--c-text-2)}

/* ---------- related ---------- */
.related{padding:0 0 88px}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:16px;margin-bottom:28px}
.section-head h2{font-size:30px;line-height:1.3;font-weight:700;letter-spacing:-.3px}
.section-head a{font-size:14px;color:var(--c-text-2)}
.section-head a:hover{color:var(--c-accent)}
.related-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.card{display:block;background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-card);overflow:hidden;box-shadow:var(--sh-1);transition:transform .2s ease,box-shadow .2s ease}
.card:hover{transform:translateY(-3px);box-shadow:var(--sh-2);color:inherit}
.card-media{position:relative;aspect-ratio:16/9;overflow:hidden;background:#EDEAE3}
.card-media img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease}
.card:hover .card-media img{transform:scale(1.04)}
.card-body{padding:18px}
.card-tag{display:inline-block;padding:3px 10px;border-radius:var(--r-pill);background:var(--c-brand-50);color:var(--c-brand);font-size:11px;font-weight:600;margin-bottom:10px}
.card-title{font-size:17px;line-height:1.45;font-weight:600;margin-bottom:8px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.card:hover .card-title{color:var(--c-accent)}
.card-text{font-size:14px;line-height:1.7;color:var(--c-text-2);margin-bottom:12px;display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}
.card-meta{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--c-text-3)}
.card-meta .num{font-family:var(--font-num);letter-spacing:.5px}
.card-meta .bar{width:1px;height:11px;background:var(--c-line)}

/* ---------- cta ---------- */
.cta-band{padding:64px 0;color:#fff;background:linear-gradient(rgba(11,39,35,.88),rgba(11,39,35,.88)),url('/assets/images/backpic/back-2.png') center/cover no-repeat}
.cta-inner{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:28px}
.cta-band h2{font-size:28px;line-height:1.35;font-weight:700;margin-bottom:10px}
.cta-band p{max-width:640px;font-size:15px;line-height:1.8;color:rgba(255,255,255,.78)}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px}

/* ---------- footer ---------- */
.site-footer{background:var(--c-brand-900);color:#fff;padding-top:64px}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:40px;padding-bottom:48px}
.f-brand{display:inline-flex;align-items:center;gap:10px;color:#fff;font-size:18px;font-weight:700}
.f-brand:hover{color:#fff}
.f-desc{margin:16px 0 18px;font-size:14px;line-height:1.8;color:rgba(255,255,255,.7);max-width:320px}
.social-row{display:flex;gap:10px}
.social-row a{width:36px;height:36px;display:inline-flex;align-items:center;justify-content:center;border:1px solid rgba(255,255,255,.18);border-radius:50%;color:rgba(255,255,255,.75)}
.social-row a:hover{color:var(--c-accent);border-color:var(--c-accent)}
.site-footer h4{margin-bottom:16px;font-size:15px;font-weight:600;color:#fff}
.f-links{display:flex;flex-direction:column;gap:10px}
.f-links a{font-size:14px;color:rgba(255,255,255,.7)}
.f-links a:hover{color:var(--c-accent)}
.footer-bottom{display:flex;flex-wrap:wrap;justify-content:space-between;gap:12px;padding:20px 0 28px;border-top:1px solid rgba(255,255,255,.12);font-size:13px;color:rgba(255,255,255,.6)}

/* ---------- responsive ---------- */
@media (max-width:1024px){
  .article-layout{grid-template-columns:minmax(0,1fr);gap:0}
  .article-aside{display:none}
  .article-main{max-width:none}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  .related-grid{grid-template-columns:repeat(2,1fr)}
}
@media (max-width:768px){
  .container{padding:0 16px}
  .brandbar-links .hide-sm{display:none}
  .navbar .container{flex-wrap:wrap;height:auto;padding-top:8px;padding-bottom:6px;gap:8px}
  .nav-list{order:2;width:100%;overflow-x:auto;padding-bottom:6px}
  .nav-list a{line-height:42px;font-size:14px;padding-right:18px;white-space:nowrap}
  .nav-list a::after{bottom:8px;right:18px}
  .nav-tools{order:1;margin-left:auto}
  .search-box{display:none}
  .search-icon-btn{display:inline-flex}
  .article-body{padding:24px 20px;font-size:16px}
  .article-head h1{font-size:26px}
  .article-body h2{font-size:22px}
  .article-body h2::before{margin-bottom:10px}
  .article-body h3{font-size:17px}
  .article-body table{font-size:14px}
  .article-body th,.article-body td{padding:10px}
  .related{padding-bottom:56px}
  .section-head h2{font-size:24px}
  .related-grid{grid-template-columns:1fr}
  .cta-band h2{font-size:22px}
  .footer-grid{padding-bottom:36px}
}
@media (max-width:560px){
  .footer-grid{grid-template-columns:1fr}
  .footer-bottom{flex-direction:column}
  .breadcrumb .current{max-width:200px}
  .cta-actions .btn{width:100%}
  .article-foot{flex-direction:column;align-items:flex-start}
}

/* roulang page: category2 */
:root{
  --c-brand:#123C36;
  --c-brand-900:#0B2723;
  --c-brand-50:#E8F1EE;
  --c-accent:#FF5A1F;
  --c-accent-d:#E04513;
  --c-teal:#2FA98C;
  --c-amber:#FFD166;
  --c-bg:#F5F3EE;
  --c-surface:#FFFFFF;
  --c-text:#2B3733;
  --c-text-2:#5F6D68;
  --c-text-3:#8C9793;
  --c-line:#E3E0D8;
  --c-line-2:#EFEDE7;
  --c-ok:#2E9E6B;
  --c-warn:#E0A020;
  --c-err:#D64545;
  --r-card:14px;
  --r-lg:16px;
  --r-btn:10px;
  --r-pill:999px;
  --sh-1:0 1px 2px rgba(11,39,35,.06),0 2px 8px rgba(11,39,35,.06);
  --sh-2:0 8px 28px rgba(11,39,35,.12);
  --sh-3:0 18px 48px rgba(11,39,35,.18);
  --sp-section:88px;
  --font-cn:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",sans-serif;
  --font-num:"Oswald","Barlow Condensed","DIN Alternate","Bahnschrift",ui-monospace,Menlo,Consolas,monospace;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--font-cn);
  font-size:16px;
  line-height:1.8;
  color:var(--c-text);
  background:var(--c-bg);
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;transition:color .18s ease-out,background-color .18s ease-out,border-color .18s ease-out;}
a:hover{color:var(--c-accent);}
h1,h2,h3,h4,p,dl,dd,dt,ul,ol,figure{margin:0;}
ul,ol{padding:0;list-style:none;}
button,input,select,textarea{font-family:inherit;font-size:inherit;color:inherit;}
button{cursor:pointer;}
a:focus-visible,button:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible,summary:focus-visible{
  outline:2px solid var(--c-accent);
  outline-offset:2px;
}
.container{max-width:1200px;margin:0 auto;padding:0 24px;}

/* ---------- 头部 ---------- */
.site-header{position:sticky;top:0;z-index:120;}
.brandbar{
  height:56px;background:var(--c-brand);color:#fff;overflow:hidden;
  transition:height .26s ease,opacity .2s ease;
}
body.scrolled .brandbar{height:0;opacity:0;}
.brandbar .container{height:56px;display:flex;align-items:center;justify-content:space-between;gap:16px;}
.brand{display:inline-flex;align-items:center;gap:10px;color:#fff;font-size:18px;font-weight:700;letter-spacing:.2px;}
.brand:hover{color:#fff;}
.brand-mark{width:24px;height:24px;flex:0 0 auto;}
.brandbar-links{display:flex;align-items:center;gap:22px;font-size:13px;color:rgba(255,255,255,.78);}
.brandbar-links a{color:rgba(255,255,255,.82);}
.brandbar-links a:hover{color:#fff;}
.dot{display:inline-block;width:7px;height:7px;border-radius:50%;background:var(--c-ok);margin-right:7px;vertical-align:middle;}
.navbar{height:52px;background:var(--c-surface);border-bottom:1px solid var(--c-line);}
body.scrolled .navbar{box-shadow:var(--sh-1);}
.navbar .container{height:52px;display:flex;align-items:center;justify-content:space-between;gap:20px;}
.nav-list{display:flex;align-items:center;gap:0;overflow-x:auto;scrollbar-width:none;}
.nav-list::-webkit-scrollbar{display:none;}
.nav-list li{flex:0 0 auto;}
.nav-list a{
  display:block;padding:0 22px 0 0;line-height:52px;font-size:15px;font-weight:500;color:var(--c-text-2);
  position:relative;white-space:nowrap;
}
.nav-list a::after{
  content:"";position:absolute;left:0;right:22px;bottom:12px;height:3px;border-radius:2px;
  background:transparent;transition:background-color .18s ease-out;
}
.nav-list a:hover{color:var(--c-text);}
.nav-list a:hover::after{background:var(--c-line);}
.nav-list a.is-active{color:var(--c-brand);font-weight:600;}
.nav-list a.is-active::after{background:var(--c-accent);}
.nav-tools{display:flex;align-items:center;gap:14px;flex:0 0 auto;}
.search-box{
  display:flex;align-items:center;gap:8px;height:38px;width:220px;padding:0 14px;
  border:1px solid var(--c-line);border-radius:var(--r-pill);background:var(--c-surface);color:var(--c-text-3);
  transition:border-color .18s ease-out,box-shadow .18s ease-out;
}
.search-box:focus-within{border-color:var(--c-accent);box-shadow:var(--sh-1);}
.search-box input{flex:1;min-width:0;border:0;background:transparent;outline:none;font-size:13px;color:var(--c-text);}
.search-box input::placeholder{color:var(--c-text-3);}
.search-icon-btn{
  display:none;width:38px;height:38px;align-items:center;justify-content:center;
  border:1px solid var(--c-line);border-radius:var(--r-pill);background:var(--c-surface);color:var(--c-text-2);
}
.search-icon-btn:hover{border-color:var(--c-accent);color:var(--c-accent);}
.trend{position:relative;}
.trend-btn{
  display:inline-flex;align-items:center;gap:6px;height:38px;padding:0 14px;border:1px solid var(--c-line);
  border-radius:var(--r-pill);background:var(--c-surface);font-size:13px;font-weight:500;color:var(--c-text-2);
}
.trend-btn:hover{border-color:var(--c-accent);color:var(--c-accent);}
.trend-panel{
  position:absolute;right:0;top:46px;width:260px;background:var(--c-surface);border:1px solid var(--c-line);
  border-radius:var(--r-card);box-shadow:var(--sh-3);padding:10px;display:none;
}
.trend-panel.is-open{display:block;}
.trend-panel a{
  display:flex;align-items:center;gap:10px;padding:9px 12px;border-radius:10px;font-size:14px;color:var(--c-text-2);
}
.trend-panel a:hover{background:var(--c-brand-50);color:var(--c-brand);}
.trend-panel .idx{font-family:var(--font-num);font-size:13px;color:var(--c-text-3);min-width:20px;}

/* ---------- 面包屑 ---------- */
.crumb{padding:22px 0 0;font-size:13px;color:var(--c-text-3);}
.crumb ol{display:flex;flex-wrap:wrap;align-items:center;gap:8px;}
.crumb li::after{content:"›";margin-left:8px;color:var(--c-line);}
.crumb li:last-child::after{display:none;}
.crumb a{color:var(--c-text-3);}
.crumb a:hover{color:var(--c-accent);}
.crumb .current{color:var(--c-text-2);}

/* ---------- 内页 Hero ---------- */
.page-hero{padding:30px 0 0;}
.page-hero-inner{
  display:grid;grid-template-columns:1fr 420px;gap:48px;align-items:center;
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-lg);
  padding:44px;box-shadow:var(--sh-1);
}
.badge{
  display:inline-flex;align-items:center;gap:8px;padding:6px 14px;border-radius:var(--r-pill);
  background:var(--c-brand-50);color:var(--c-brand);font-size:13px;font-weight:500;
}
.badge .pulse{width:7px;height:7px;border-radius:50%;background:var(--c-accent);}
.page-hero h1{
  font-size:44px;line-height:1.2;font-weight:700;letter-spacing:-.5px;color:var(--c-text);
  margin:18px 0 16px;max-width:620px;
}
.page-hero .lede{font-size:18px;line-height:1.75;color:var(--c-text-2);max-width:640px;}
.hero-facts{display:flex;flex-wrap:wrap;gap:30px;margin-top:26px;}
.hero-facts div{border-left:3px solid var(--c-brand-50);padding-left:14px;}
.hero-facts strong{display:block;font-family:var(--font-num);font-size:24px;letter-spacing:.5px;color:var(--c-brand);}
.hero-facts span{font-size:13px;color:var(--c-text-3);}
.hero-figure{border-radius:var(--r-card);overflow:hidden;border:1px solid var(--c-line);background:var(--c-line-2);}
.hero-figure img{width:100%;aspect-ratio:16/10;object-fit:cover;}

/* ---------- 板块通用 ---------- */
.section{padding-top:var(--sp-section);}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:28px;}
.section-head h2{font-size:30px;line-height:1.3;font-weight:700;color:var(--c-text);position:relative;padding-top:14px;}
.section-head h2::before{
  content:"";position:absolute;top:0;left:0;width:40px;height:4px;border-radius:2px;background:var(--c-accent);
}
.section-head p{font-size:15px;color:var(--c-text-2);max-width:560px;margin-top:10px;}
.section-link{font-size:14px;font-weight:500;color:var(--c-brand);white-space:nowrap;display:inline-flex;align-items:center;gap:6px;}
.section-link:hover{color:var(--c-accent);}

/* ---------- 卡片宫格 + 参数速览 ---------- */
.spec-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.spec-card{
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-card);
  padding:24px;box-shadow:var(--sh-1);display:flex;flex-direction:column;
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.spec-card:hover{transform:translateY(-3px);box-shadow:var(--sh-2);border-color:var(--c-line);}
.spec-head{display:flex;align-items:center;gap:12px;margin-bottom:12px;}
.spec-idx{
  font-family:var(--font-num);font-size:13px;letter-spacing:.5px;color:var(--c-brand);
  background:var(--c-brand-50);border-radius:var(--r-pill);padding:4px 11px;
}
.spec-head h3{font-size:19px;line-height:1.45;font-weight:600;color:var(--c-text);}
.spec-desc{font-size:14px;line-height:1.7;color:var(--c-text-2);margin-bottom:18px;min-height:48px;}
.spec-rows{border-top:1px solid var(--c-line-2);margin-bottom:20px;}
.spec-rows > div{
  display:flex;align-items:center;justify-content:space-between;gap:14px;
  padding:10px 0;border-bottom:1px dashed var(--c-line);
}
.spec-rows > div:last-child{border-bottom:0;}
.spec-rows dt{font-size:13px;color:var(--c-text-3);flex:0 0 auto;}
.spec-rows dd{font-size:14px;font-weight:500;color:var(--c-text);text-align:right;}
.spec-card .btn{margin-top:auto;}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 28px;border-radius:var(--r-btn);font-size:15px;font-weight:600;
  line-height:1;white-space:nowrap;border:1px solid transparent;
  transition:transform .18s ease,box-shadow .18s ease,background-color .18s ease,color .18s ease,border-color .18s ease;
}
.btn-primary{background:var(--c-accent);color:#fff;}
.btn-primary:hover{background:var(--c-accent-d);color:#fff;transform:translateY(-2px);box-shadow:var(--sh-2);}
.btn-primary:active{transform:translateY(0);}
.btn-outline{background:var(--c-surface);border-color:var(--c-brand);color:var(--c-brand);}
.btn-outline:hover{background:var(--c-brand);color:#fff;}
.btn-ghost{background:var(--c-surface);border-color:var(--c-line);color:var(--c-brand);height:42px;padding:0 18px;font-size:14px;}
.btn-ghost:hover{background:var(--c-brand-50);border-color:var(--c-brand);color:var(--c-brand);}
.btn-light{background:rgba(255,255,255,.12);border-color:rgba(255,255,255,.6);color:#fff;}
.btn-light:hover{background:rgba(255,255,255,.2);color:#fff;}
.btn:disabled{background:#D9D6CF;color:#9A968E;cursor:not-allowed;border-color:#D9D6CF;}

/* ---------- 验证方式对照条 ---------- */
.compare-list{background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-lg);overflow:hidden;box-shadow:var(--sh-1);}
.compare-row{
  display:grid;grid-template-columns:240px 1fr;gap:24px;align-items:center;
  padding:20px 24px;border-bottom:1px solid var(--c-line-2);
}
.compare-row:last-child{border-bottom:0;}
.compare-row:hover{background:var(--c-brand-50);}
.compare-name{display:flex;align-items:center;gap:12px;font-size:16px;font-weight:600;color:var(--c-text);}
.compare-name svg{flex:0 0 auto;color:var(--c-teal);}
.compare-vals{display:flex;flex-wrap:wrap;gap:14px;}
.compare-vals span{
  display:inline-flex;align-items:center;gap:6px;font-size:13px;color:var(--c-text-2);
  background:var(--c-bg);border:1px solid var(--c-line);border-radius:var(--r-pill);padding:5px 13px;
}
.compare-vals b{font-weight:500;color:var(--c-text);}

/* ---------- 相关入口条 ---------- */
.entry-bar{
  display:flex;flex-wrap:wrap;align-items:center;gap:14px;
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-lg);
  padding:22px 24px;box-shadow:var(--sh-1);
}
.entry-bar .entry-title{font-size:15px;font-weight:600;color:var(--c-text);margin-right:8px;}
.entry-bar a{
  display:inline-flex;align-items:center;gap:8px;height:40px;padding:0 18px;border-radius:var(--r-pill);
  background:var(--c-bg);border:1px solid var(--c-line);font-size:14px;color:var(--c-text-2);
}
.entry-bar a:hover{background:var(--c-brand-50);border-color:var(--c-brand);color:var(--c-brand);}

/* ---------- 深色 CTA 横幅 ---------- */
.cta-band{
  position:relative;overflow:hidden;border-radius:var(--r-lg);
  background-image:linear-gradient(rgba(11,39,35,.9),rgba(11,39,35,.9)),url(/assets/images/backpic/back-2.png);
  background-size:cover;background-position:center;
  padding:46px 44px;display:flex;align-items:center;justify-content:space-between;gap:32px;flex-wrap:wrap;
  color:#fff;
}
.cta-band::after{
  content:"";position:absolute;right:-60px;bottom:-60px;width:260px;height:260px;border-radius:50%;
  border:1px solid rgba(255,255,255,.08);box-shadow:0 0 0 40px rgba(255,255,255,.04);
}
.cta-band h2{font-size:28px;line-height:1.3;font-weight:700;color:#fff;position:relative;z-index:1;}
.cta-band p{font-size:15px;color:rgba(255,255,255,.78);margin-top:10px;max-width:620px;position:relative;z-index:1;}
.cta-actions{display:flex;gap:14px;flex-wrap:wrap;position:relative;z-index:1;}

/* ---------- 页脚 ---------- */
.site-footer{margin-top:var(--sp-section);background:var(--c-brand-900);color:#fff;padding:64px 0 28px;}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:40px;}
.f-brand{display:inline-flex;align-items:center;gap:10px;font-size:18px;font-weight:700;color:#fff;}
.f-brand:hover{color:#fff;}
.f-desc{font-size:14px;line-height:1.8;color:rgba(255,255,255,.68);margin-top:16px;max-width:340px;}
.social-row{display:flex;gap:12px;margin-top:20px;}
.social-row a{
  width:36px;height:36px;display:inline-flex;align-items:center;justify-content:center;border-radius:50%;
  border:1px solid rgba(255,255,255,.18);color:rgba(255,255,255,.75);
}
.social-row a:hover{border-color:var(--c-accent);color:var(--c-accent);}
.site-footer h4{font-size:15px;font-weight:600;color:#fff;margin-bottom:16px;}
.f-links{display:flex;flex-direction:column;gap:11px;}
.f-links a{font-size:14px;color:rgba(255,255,255,.7);}
.f-links a:hover{color:var(--c-accent);}
.footer-bottom{
  margin-top:44px;padding-top:22px;border-top:1px solid rgba(255,255,255,.12);
  display:flex;flex-wrap:wrap;gap:14px;justify-content:space-between;
  font-size:13px;color:rgba(255,255,255,.55);
}
.footer-bottom span{display:inline-block;}

/* ---------- 移动端搜索层 ---------- */
.mobile-search{
  display:none;position:fixed;inset:0;z-index:200;background:rgba(11,39,35,.55);
  padding:80px 20px 20px;
}
.mobile-search.is-open{display:block;}
.mobile-search-inner{
  max-width:560px;margin:0 auto;background:var(--c-surface);border-radius:var(--r-lg);
  padding:20px;box-shadow:var(--sh-3);
}
.mobile-search-inner form{display:flex;gap:10px;}
.mobile-search-inner input{
  flex:1;height:46px;border:1px solid var(--c-line);border-radius:var(--r-btn);padding:0 14px;outline:none;
}
.mobile-search-inner input:focus{border-color:var(--c-accent);box-shadow:0 0 0 3px rgba(255,90,31,.14);}

/* ---------- 响应式 ---------- */
@media (max-width:1024px){
  .page-hero h1{font-size:38px;}
  .page-hero-inner{grid-template-columns:1fr;gap:32px;padding:32px;}
  .spec-grid{grid-template-columns:repeat(2,1fr);}
  .compare-row{grid-template-columns:200px 1fr;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
  .search-box{width:180px;}
}
@media (max-width:768px){
  :root{--sp-section:56px;}
  .container{padding:0 16px;}
  .brandbar-links .hide-sm{display:none;}
  .nav-tools .search-box{display:none;}
  .search-icon-btn{display:inline-flex;}
  .trend{display:none;}
  .nav-list{width:100%;}
  .nav-list a{padding-right:18px;font-size:14px;}
  .nav-list a::after{right:18px;bottom:14px;}
  .navbar .container{gap:12px;}
  .page-hero{padding-top:22px;}
  .page-hero h1{font-size:30px;}
  .page-hero .lede{font-size:16px;}
  .page-hero-inner{padding:24px;border-radius:var(--r-card);}
  .hero-facts{gap:20px;}
  .section-head{flex-direction:column;align-items:flex-start;gap:14px;}
  .section-head h2{font-size:24px;}
  .spec-grid{grid-template-columns:1fr;}
  .spec-desc{min-height:0;}
  .compare-row{grid-template-columns:1fr;gap:12px;padding:18px 16px;}
  .compare-vals{gap:8px;}
  .cta-band{padding:32px 22px;}
  .cta-band h2{font-size:22px;}
  .footer-grid{grid-template-columns:1fr;gap:28px;}
  .footer-bottom{flex-direction:column;gap:8px;}
}
@media (max-width:560px){
  .spec-head h3{font-size:17px;}
  .hero-facts strong{font-size:20px;}
  .entry-bar{padding:18px 16px;}
  .btn{width:100%;}
  .cta-actions{width:100%;}
}

/* roulang page: category3 */
:root{
  --c-brand:#123C36;
  --c-brand-900:#0B2723;
  --c-brand-50:#E8F1EE;
  --c-accent:#FF5A1F;
  --c-accent-d:#E04513;
  --c-teal:#2FA98C;
  --c-amber:#FFD166;
  --c-bg:#F5F3EE;
  --c-surface:#FFFFFF;
  --c-text:#2B3733;
  --c-text-2:#5F6D68;
  --c-text-3:#8C9793;
  --c-line:#E3E0D8;
  --c-line-2:#EFEDE7;
  --c-success:#2E9E6B;
  --c-warn:#E0A020;
  --c-error:#D64545;
  --sh-1:0 1px 2px rgba(11,39,35,.06),0 2px 8px rgba(11,39,35,.06);
  --sh-2:0 8px 28px rgba(11,39,35,.12);
  --sh-3:0 18px 48px rgba(11,39,35,.18);
  --r-card:14px;
  --r-lg:16px;
  --r-btn:10px;
  --r-pill:999px;
  --font-sans:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Helvetica Neue",Arial,sans-serif;
  --font-num:"Oswald","Barlow Condensed","Helvetica Neue",Arial,sans-serif;
  --sp-section:88px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{margin:0;font-family:var(--font-sans);font-size:16px;line-height:1.8;color:var(--c-text);background:var(--c-bg)}
img{max-width:100%;display:block;height:auto}
a{color:inherit;text-decoration:none;transition:color .18s ease-out,background-color .18s ease-out,border-color .18s ease-out}
a:hover{color:var(--c-accent)}
h1,h2,h3,h4{margin:0;line-height:1.3}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
button{font:inherit;color:inherit}
input,textarea,select{font:inherit;color:inherit}
:focus-visible{outline:2px solid var(--c-accent);outline-offset:2px}
.container{max-width:1200px;margin:0 auto;padding:0 24px}
.hide-sm{display:inline-flex;align-items:center}
.section{padding:var(--sp-section) 0}
.section-alt{background:#FFFFFF}
.section-head{margin-bottom:28px;max-width:760px}
.section-head .eyebrow{display:inline-block;font-size:13px;font-weight:600;letter-spacing:1px;color:var(--c-teal);margin-bottom:10px}
.section-head h2{font-size:30px;font-weight:700;color:var(--c-text)}
.section-head h2::after{content:"";display:block;width:40px;height:4px;border-radius:2px;background:var(--c-accent);margin-top:12px}
.section-head p{margin-top:16px;font-size:16px;color:var(--c-text-2)}
h3{font-size:19px;font-weight:600}
.num{font-family:var(--font-num);letter-spacing:.5px;font-style:normal}

/* ---------- 按钮 ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;height:48px;padding:0 28px;border-radius:var(--r-btn);border:1px solid transparent;font-size:15px;font-weight:600;line-height:1;white-space:nowrap;cursor:pointer;transition:transform .18s ease-out,background-color .18s ease-out,color .18s ease-out,border-color .18s ease-out,box-shadow .18s ease-out}
.btn-primary{background:var(--c-accent);color:#fff}
.btn-primary:hover{background:var(--c-accent-d);color:#fff;transform:translateY(-2px);box-shadow:var(--sh-2)}
.btn-primary:active{transform:translateY(0);background:var(--c-accent-d)}
.btn-light{background:transparent;border-color:rgba(255,255,255,.6);color:#fff}
.btn-light:hover{background:rgba(255,255,255,.12);color:#fff}
.btn-outline{background:#fff;border-color:var(--c-brand);color:var(--c-brand)}
.btn-outline:hover{background:var(--c-brand);color:#fff}
.btn-ghost{background:transparent;border-color:transparent;color:var(--c-brand)}
.btn-ghost:hover{background:var(--c-brand-50)}
.btn-block{width:100%;height:50px}
.badge{display:inline-flex;align-items:center;gap:8px;padding:7px 14px;border-radius:var(--r-pill);background:rgba(255,255,255,.14);border:1px solid rgba(255,255,255,.24);font-size:13px;color:#fff}
.badge::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--c-accent)}
.tag{display:inline-flex;align-items:center;height:24px;padding:0 10px;border-radius:var(--r-pill);background:var(--c-brand-50);color:var(--c-brand);font-size:11px;font-weight:600;letter-spacing:.3px}

/* ---------- 头部导航 ---------- */
.site-header{position:relative;z-index:70}
.brandbar{background:var(--c-brand);color:#fff}
.brandbar .container{height:56px;display:flex;align-items:center;justify-content:space-between;gap:16px}
.brand{display:flex;align-items:center;gap:10px;font-size:17px;font-weight:600;color:#fff;letter-spacing:.2px}
.brand:hover{color:#fff}
.brand-mark{width:24px;height:24px;flex:0 0 auto}
.brandbar-links{display:flex;align-items:center;gap:20px;font-size:13px;color:rgba(255,255,255,.75)}
.brandbar-links a{color:rgba(255,255,255,.8)}
.brandbar-links a:hover{color:var(--c-amber)}
.dot{display:inline-block;width:7px;height:7px;border-radius:50%;background:var(--c-teal);margin-right:7px;vertical-align:middle}
.hamburger{display:none;align-items:center;justify-content:center;width:38px;height:38px;border-radius:10px;border:1px solid rgba(255,255,255,.28);background:transparent;color:#fff;cursor:pointer}
.navbar{position:sticky;top:0;z-index:80;background:#fff;border-bottom:1px solid var(--c-line);transition:box-shadow .18s ease-out}
.navbar.is-stuck{box-shadow:var(--sh-1)}
.navbar .container{min-height:52px;display:flex;align-items:center;gap:16px;position:relative}
.nav-list{display:flex;align-items:center;gap:22px;flex:0 0 auto}
.nav-list a{position:relative;display:inline-block;padding:15px 0;font-size:15px;font-weight:500;color:var(--c-text);white-space:nowrap}
.nav-list a::after{content:"";position:absolute;left:0;right:0;bottom:0;height:3px;background:var(--c-accent);transform:scaleX(0);transform-origin:left center;transition:transform .18s ease-out}
.nav-list a:hover::after{transform:scaleX(1)}
.nav-list a.is-active{color:var(--c-brand);font-weight:600}
.nav-list a.is-active::after{transform:scaleX(1)}
.nav-tools{margin-left:auto;display:flex;align-items:center;gap:12px}
.search-box{display:flex;align-items:center;gap:8px;height:38px;width:232px;padding:0 14px;border:1px solid var(--c-line);border-radius:var(--r-pill);background:#fff;color:var(--c-text-3);transition:border-color .18s ease-out,box-shadow .18s ease-out}
.search-box:focus-within{border-color:var(--c-accent);box-shadow:var(--sh-1)}
.search-box input{flex:1;min-width:0;border:0;outline:0;background:transparent;font-size:14px;color:var(--c-text)}
.search-box input::placeholder{color:var(--c-text-3)}
.search-icon-btn{display:none;align-items:center;justify-content:center;width:38px;height:38px;border:1px solid var(--c-line);border-radius:var(--r-pill);background:#fff;color:var(--c-text-2);cursor:pointer}
.search-icon-btn:hover{color:var(--c-accent);border-color:var(--c-accent)}
.trend{position:relative}
.trend-btn{display:flex;align-items:center;gap:6px;height:38px;padding:0 14px;border:1px solid var(--c-line);border-radius:var(--r-pill);background:#fff;font-size:14px;color:var(--c-text);cursor:pointer}
.trend-btn:hover{border-color:var(--c-accent);color:var(--c-accent)}
.trend-panel{position:absolute;right:0;top:calc(100% + 10px);width:308px;padding:12px;border:1px solid var(--c-line-2);border-radius:var(--r-card);background:#fff;box-shadow:var(--sh-3);display:none}
.trend.is-open .trend-panel{display:block}
.trend-panel a{display:flex;align-items:center;gap:10px;padding:9px 10px;border-radius:10px;font-size:14px;color:var(--c-text-2)}
.trend-panel a:hover{background:var(--c-brand-50);color:var(--c-brand)}
.trend-panel .idx{width:18px;font-family:var(--font-num);font-size:13px;color:var(--c-accent)}
.mobile-nav{display:none;border-top:1px solid var(--c-line-2);background:#fff;padding:8px 0 16px}
.mobile-nav.is-open{display:block}
.mobile-nav a{display:block;padding:12px 0;font-size:15px;border-bottom:1px solid var(--c-line-2)}
.mobile-nav .m-search{display:flex;gap:8px;padding:12px 0 4px}
.mobile-nav .m-search input{flex:1;min-width:0;height:44px;padding:0 14px;border:1px solid var(--c-line);border-radius:var(--r-btn);background:#fff;font-size:14px}
.search-overlay{position:fixed;left:0;right:0;top:0;z-index:120;background:#fff;border-bottom:1px solid var(--c-line);box-shadow:var(--sh-2)}
.search-overlay .container{display:flex;align-items:center;gap:12px;padding-top:16px;padding-bottom:16px}
.search-overlay form{flex:1;display:flex;gap:10px}
.search-overlay input{flex:1;min-width:0;height:46px;padding:0 14px;border:1px solid var(--c-line);border-radius:var(--r-btn);background:#fff;font-size:15px}
.s-close{height:46px;padding:0 18px;border:1px solid var(--c-line);border-radius:var(--r-btn);background:#fff;color:var(--c-text-2);cursor:pointer}
.s-close:hover{color:var(--c-accent);border-color:var(--c-accent)}

/* ---------- Hero ---------- */
.page-hero{position:relative;color:#fff;background:linear-gradient(180deg,rgba(11,39,35,.86),rgba(18,60,54,.74)),url('/assets/images/backpic/back-1.webp') center/cover no-repeat;overflow:hidden}
.page-hero::after{content:"";position:absolute;right:-140px;bottom:-180px;width:520px;height:520px;border:1px solid rgba(255,255,255,.08);border-radius:50%;box-shadow:0 0 0 60px rgba(255,255,255,.03);pointer-events:none}
.page-hero .container{position:relative;z-index:2;padding-top:22px;padding-bottom:64px}
.breadcrumb{display:flex;align-items:center;flex-wrap:wrap;gap:8px;font-size:13px;color:rgba(255,255,255,.68)}
.breadcrumb a{color:rgba(255,255,255,.82)}
.breadcrumb a:hover{color:var(--c-amber)}
.breadcrumb .sep{opacity:.5}
.breadcrumb .cur{color:#fff}
.hero-inner{display:grid;grid-template-columns:1.18fr .82fr;gap:48px;align-items:center;margin-top:34px}
.hero-copy h1{font-size:44px;line-height:1.2;font-weight:700;letter-spacing:-.5px;color:#fff;max-width:640px;margin:18px 0 18px}
.hero-sub{font-size:18px;line-height:1.75;color:rgba(255,255,255,.82);max-width:640px}
.hero-cta{display:flex;flex-wrap:wrap;gap:14px;margin-top:28px}
.hero-stats{display:grid;grid-template-columns:repeat(4,1fr);gap:0;margin-top:36px;max-width:660px}
.hero-stats .st{padding-right:18px;border-right:1px solid rgba(255,255,255,.22)}
.hero-stats .st:last-child{border-right:0}
.hero-stats .st .num{display:block;font-size:24px;color:#fff}
.hero-stats .st .lab{font-size:13px;color:rgba(255,255,255,.7)}
.hero-card{background:#fff;border-radius:var(--r-lg);box-shadow:var(--sh-3);padding:22px;color:var(--c-text)}
.hero-card .thumb{aspect-ratio:16/9;border-radius:var(--r-card);overflow:hidden;background:var(--c-line-2);margin-bottom:16px}
.hero-card .thumb img{width:100%;height:100%;object-fit:cover}
.hero-card .hc-title{font-size:16px;font-weight:600;margin-bottom:8px}
.hero-card ul{margin:0 0 18px}
.hero-card li{display:flex;gap:10px;font-size:14px;line-height:1.7;color:var(--c-text-2);padding:7px 0;border-bottom:1px dashed var(--c-line-2)}
.hero-card li:last-child{border-bottom:0}
.hero-card li svg{flex:0 0 auto;margin-top:3px;color:var(--c-teal)}

/* ---------- 时间轴 ---------- */
.timeline{position:relative;margin-top:12px}
.timeline::before{content:"";position:absolute;left:50%;top:6px;bottom:6px;width:2px;transform:translateX(-50%);background:linear-gradient(180deg,var(--c-brand-50),var(--c-line))}
.tl-item{display:grid;grid-template-columns:1fr 72px 1fr;align-items:start;margin-bottom:28px}
.tl-card{background:#fff;border:1px solid var(--c-line);border-radius:var(--r-card);box-shadow:var(--sh-1);padding:22px 24px;transition:transform .2s ease-out,box-shadow .2s ease-out,border-color .2s ease-out}
.tl-card:hover{transform:translateY(-3px);box-shadow:var(--sh-2);border-color:var(--c-brand-50)}
.tl-item:nth-child(odd) .tl-card{grid-column:1}
.tl-item:nth-child(even) .tl-card{grid-column:3}
.tl-node{grid-column:2;display:flex;justify-content:center;padding-top:24px}
.tl-node span{display:grid;place-items:center;width:40px;height:40px;border-radius:50%;background:var(--c-accent);border:4px solid var(--c-bg);color:#fff;font-family:var(--font-num);font-size:15px;box-shadow:0 0 0 2px rgba(255,90,31,.28)}
.tl-card .tl-step{font-size:12px;font-weight:600;letter-spacing:1.2px;color:var(--c-accent)}
.tl-card h3{margin:8px 0 8px;color:var(--c-text)}
.tl-card p{font-size:14.5px;line-height:1.78;color:var(--c-text-2)}
.tl-card .tl-meta{display:flex;flex-wrap:wrap;gap:8px;margin-top:14px}
.tl-card .tl-meta span{display:inline-flex;align-items:center;height:24px;padding:0 10px;border-radius:var(--r-pill);background:var(--c-line-2);font-size:12px;color:var(--c-text-2)}

/* ---------- 图文分栏 ---------- */
.split{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:center}
.split h2{font-size:30px;font-weight:700;margin-bottom:14px}
.split h2::after{content:"";display:block;width:40px;height:4px;border-radius:2px;background:var(--c-accent);margin-top:12px}
.split .lead{font-size:16px;color:var(--c-text-2);margin-top:16px}
.check-list{margin-top:22px}
.check-list li{display:flex;gap:12px;padding:13px 0;border-bottom:1px dashed var(--c-line);font-size:15px;line-height:1.75;color:var(--c-text-2)}
.check-list li:last-child{border-bottom:0}
.check-list svg{flex:0 0 auto;margin-top:4px;color:var(--c-teal)}
.check-list strong{color:var(--c-text);font-weight:600}
.figure{margin:0}
.figure .fig-box{aspect-ratio:16/10;border-radius:var(--r-lg);overflow:hidden;box-shadow:var(--sh-2);background:var(--c-line-2)}
.figure .fig-box img{width:100%;height:100%;object-fit:cover}
.figure figcaption{margin-top:12px;font-size:13px;color:var(--c-text-3);text-align:center}

/* ---------- 反馈摘录 ---------- */
.stat-strip{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;margin-bottom:28px}
.stat-strip .cell{background:#fff;border:1px solid var(--c-line);border-radius:var(--r-card);box-shadow:var(--sh-1);padding:20px}
.stat-strip .cell .num{display:block;font-size:26px;color:var(--c-brand)}
.stat-strip .cell .lab{font-size:13px;color:var(--c-text-3);margin-top:4px}
.quote-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.quote-card{background:#fff;border:1px solid var(--c-line);border-radius:var(--r-card);box-shadow:var(--sh-1);padding:24px;display:flex;flex-direction:column;transition:transform .2s ease-out,box-shadow .2s ease-out}
.quote-card:hover{transform:translateY(-3px);box-shadow:var(--sh-2)}
.stars{display:flex;align-items:center;gap:4px;margin-bottom:14px;color:var(--c-amber);font-size:13px}
.quote-card p{font-size:15px;line-height:1.8;color:var(--c-text-2);flex:1}
.quote-meta{display:flex;align-items:center;gap:10px;margin-top:18px;font-size:13px;color:var(--c-text-3)}
.avatar{display:grid;place-items:center;width:34px;height:34px;border-radius:50%;background:var(--c-brand-50);color:var(--c-brand);font-size:14px;font-weight:600}

/* ---------- 入口条 / CTA ---------- */
.linkbar{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.linkbar a{display:flex;align-items:center;justify-content:space-between;gap:10px;padding:18px 20px;background:#fff;border:1px solid var(--c-line);border-radius:var(--r-card);box-shadow:var(--sh-1);font-size:15px;font-weight:500;transition:transform .2s ease-out,box-shadow .2s ease-out,border-color .2s ease-out,color .2s ease-out}
.linkbar a:hover{transform:translateY(-3px);box-shadow:var(--sh-2);border-color:var(--c-accent);color:var(--c-accent)}
.linkbar a .arw{font-family:var(--font-num);color:var(--c-accent)}
.cta-band{position:relative;overflow:hidden;background:linear-gradient(90deg,rgba(11,39,35,.95),rgba(18,60,54,.86)),url('/assets/images/backpic/back-3.webp') center/cover no-repeat;border-radius:var(--r-lg);padding:44px;color:#fff;display:flex;align-items:center;justify-content:space-between;gap:28px}
.cta-band h2{font-size:30px;font-weight:700;color:#fff}
.cta-band p{margin-top:14px;font-size:16px;color:rgba(255,255,255,.78);max-width:620px}
.cta-band .cta-actions{display:flex;gap:14px;flex-wrap:wrap;flex:0 0 auto}

/* ---------- 页脚 ---------- */
.site-footer{margin-top:var(--sp-section);background:var(--c-brand-900);color:#fff;padding:64px 0 0}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.15fr;gap:32px;padding-bottom:44px}
.f-brand{display:flex;align-items:center;gap:10px;font-size:17px;font-weight:600;color:#fff}
.f-brand:hover{color:#fff}
.f-desc{margin:16px 0 18px;font-size:14px;line-height:1.85;color:rgba(255,255,255,.68);max-width:340px}
.social-row{display:flex;gap:10px}
.social-row a{display:grid;place-items:center;width:36px;height:36px;border-radius:10px;border:1px solid rgba(255,255,255,.18);color:rgba(255,255,255,.75)}
.social-row a:hover{color:var(--c-accent);border-color:var(--c-accent)}
.site-footer h4{font-size:15px;font-weight:600;color:#fff;margin-bottom:16px}
.f-links{display:flex;flex-direction:column;gap:11px}
.f-links a{font-size:14px;color:rgba(255,255,255,.7)}
.f-links a:hover{color:var(--c-accent)}
.footer-bottom{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:14px;border-top:1px solid rgba(255,255,255,.12);padding:18px 0 26px;font-size:13px;color:rgba(255,255,255,.55)}

/* ---------- 响应式 ---------- */
@media (max-width:1280px){
  .hero-copy h1{font-size:40px}
  .search-box{width:200px}
}
@media (max-width:1024px){
  :root{--sp-section:72px}
  .hero-inner{grid-template-columns:1fr;gap:32px}
  .hero-copy h1{font-size:36px;max-width:none}
  .nav-list{gap:18px}
  .nav-list a{font-size:14px}
  .search-box{width:176px}
  .quote-grid{grid-template-columns:repeat(2,1fr)}
  .linkbar{grid-template-columns:repeat(2,1fr)}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px}
  .split{gap:32px}
  .cta-band{flex-direction:column;align-items:flex-start}
}
@media (max-width:768px){
  :root{--sp-section:56px}
  .container{padding:0 16px}
  .brandbar-links .hide-sm{display:none}
  .hamburger{display:inline-flex}
  .navbar .container{position:relative}
  .nav-list{overflow-x:auto;flex:1;gap:16px;scrollbar-width:none}
  .nav-list::-webkit-scrollbar{display:none}
  .nav-list a{padding:14px 0;font-size:14px}
  .search-box{display:none}
  .trend{display:none}
  .search-icon-btn{display:inline-flex}
  .hero-copy h1{font-size:30px;letter-spacing:0}
  .hero-sub{font-size:16px}
  .hero-stats{grid-template-columns:repeat(2,1fr);row-gap:18px}
  .hero-stats .st{padding-right:12px}
  .hero-stats .st:nth-child(2){border-right:0}
  .section-head h2,.split h2,.cta-band h2{font-size:24px}
  .timeline::before{left:19px;transform:none}
  .tl-item{grid-template-columns:40px 1fr;gap:14px;margin-bottom:18px}
  .tl-item:nth-child(odd) .tl-card,.tl-item:nth-child(even) .tl-card{grid-column:2}
  .tl-node{grid-column:1;justify-content:flex-start;padding-top:22px}
  .tl-node span{width:34px;height:34px;font-size:13px}
  .split{grid-template-columns:1fr}
  .stat-strip{grid-template-columns:repeat(2,1fr)}
  .quote-grid{grid-template-columns:1fr}
  .linkbar{grid-template-columns:1fr}
  .cta-band{padding:28px 22px}
  .footer-grid{grid-template-columns:1fr;gap:26px}
  .footer-bottom{flex-direction:column;align-items:flex-start}
}
@media (max-width:560px){
  .brand{font-size:15px}
  .hero-copy h1{font-size:26px}
  .hero-cta .btn{width:100%}
  .hero-card{padding:18px}
  .stat-strip{grid-template-columns:1fr}
  .cta-band .cta-actions{width:100%}
  .cta-band .cta-actions .btn{width:100%}
}
@media (max-width:400px){
  .nav-list{gap:12px}
  .nav-list a{font-size:13px}
}

/* roulang page: category4 */
:root{
  --c-brand:#123C36;
  --c-brand-900:#0B2723;
  --c-brand-50:#E8F1EE;
  --c-accent:#FF5A1F;
  --c-accent-d:#E04513;
  --c-teal:#2FA98C;
  --c-amber:#FFD166;
  --c-bg:#F5F3EE;
  --c-surface:#FFFFFF;
  --c-text:#2B3733;
  --c-text-2:#5F6D68;
  --c-text-3:#8C9793;
  --c-line:#E3E0D8;
  --c-line-2:#EFEDE7;
  --c-ok:#2E9E6B;
  --c-warn:#E0A020;
  --c-error:#D64545;
  --sh-1:0 1px 2px rgba(11,39,35,.06),0 2px 8px rgba(11,39,35,.06);
  --sh-2:0 8px 28px rgba(11,39,35,.12);
  --sh-3:0 18px 48px rgba(11,39,35,.18);
  --r-card:14px;
  --r-lg:16px;
  --r-btn:10px;
  --r-pill:999px;
  --font-base:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  --font-num:"Oswald","Barlow Condensed","PingFang SC","Microsoft YaHei",sans-serif;
  --container:1200px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--font-base);
  font-size:16px;
  line-height:1.8;
  color:var(--c-text);
  background:var(--c-bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;transition:color .18s ease-out,background-color .18s ease-out,border-color .18s ease-out;}
a:hover{color:var(--c-accent);}
button,input,select,textarea{font:inherit;color:inherit;}
button{cursor:pointer;}
h1,h2,h3,h4,p,ul,ol{margin:0;}
ul,ol{padding:0;list-style:none;}
:focus-visible{outline:2px solid var(--c-accent);outline-offset:2px;}
.container{max-width:var(--container);margin:0 auto;padding:0 24px;}

/* ============ 顶部双层导航 ============ */
.site-header{position:relative;z-index:60;}
.brandbar{
  height:56px;
  background:var(--c-brand);
  color:#fff;
  overflow:hidden;
  transition:height .26s ease,opacity .22s ease;
}
.site-header.is-scrolled .brandbar{height:0;opacity:0;}
.brandbar .container{height:56px;display:flex;align-items:center;justify-content:space-between;gap:20px;}
.brand{display:flex;align-items:center;gap:10px;color:#fff;font-size:17px;font-weight:600;letter-spacing:.3px;white-space:nowrap;}
.brand:hover{color:#fff;}
.brand-mark{width:24px;height:24px;flex:none;}
.brandbar-links{display:flex;align-items:center;gap:20px;font-size:13px;color:rgba(255,255,255,.78);}
.brandbar-links a{color:rgba(255,255,255,.78);}
.brandbar-links a:hover{color:var(--c-accent);}
.dot{display:inline-block;width:7px;height:7px;border-radius:50%;background:var(--c-teal);margin-right:6px;vertical-align:middle;}

.navbar{
  position:sticky;
  top:0;
  z-index:70;
  background:var(--c-surface);
  border-bottom:1px solid var(--c-line);
  transition:box-shadow .2s ease;
}
.site-header.is-scrolled .navbar{box-shadow:var(--sh-1);}
.navbar .container{display:flex;align-items:center;gap:16px;height:52px;}
.nav-list{display:flex;align-items:center;flex:1;min-width:0;overflow-x:auto;scrollbar-width:none;}
.nav-list::-webkit-scrollbar{display:none;}
.nav-list li{flex:none;}
.nav-list a{
  display:block;
  position:relative;
  padding:0 22px 0 0;
  font-size:15px;
  font-weight:500;
  line-height:52px;
  color:var(--c-text);
  white-space:nowrap;
}
.nav-list a::after{
  content:"";
  position:absolute;
  left:0;
  right:22px;
  bottom:8px;
  height:3px;
  border-radius:3px;
  background:var(--c-accent);
  transform:scaleX(0);
  transform-origin:left;
  transition:transform .18s ease-out;
}
.nav-list a:hover{color:var(--c-brand);}
.nav-list a:hover::after{transform:scaleX(1);}
.nav-list a.is-active{color:var(--c-brand);font-weight:600;}
.nav-list a.is-active::after{transform:scaleX(1);}
.nav-tools{display:flex;align-items:center;gap:12px;flex:none;}
.search-box{
  display:flex;align-items:center;gap:8px;
  height:38px;width:220px;
  padding:0 12px;
  border:1px solid var(--c-line);
  border-radius:var(--r-pill);
  background:var(--c-bg);
  color:var(--c-text-3);
  transition:border-color .18s ease,box-shadow .18s ease,background-color .18s ease;
}
.search-box:focus-within{border-color:var(--c-accent);box-shadow:0 0 0 3px rgba(255,90,31,.14);background:#fff;}
.search-box input{flex:1;min-width:0;height:100%;border:0;background:transparent;font-size:13px;outline:none;}
.search-box input::placeholder{color:var(--c-text-3);}
.search-icon-btn{
  display:none;
  align-items:center;justify-content:center;
  width:38px;height:38px;
  border:1px solid var(--c-line);
  border-radius:var(--r-pill);
  background:#fff;
  color:var(--c-brand);
}
.search-icon-btn:hover{border-color:var(--c-brand);}
.trend{position:relative;}
.trend-btn{
  display:flex;align-items:center;gap:6px;
  height:38px;padding:0 14px;
  border:1px solid var(--c-line);
  border-radius:var(--r-pill);
  background:#fff;
  font-size:14px;font-weight:500;color:var(--c-text);
}
.trend-btn:hover{border-color:var(--c-accent);color:var(--c-accent);}
.trend-panel{
  position:absolute;top:52px;right:0;
  width:300px;padding:12px;
  background:var(--c-surface);
  border:1px solid var(--c-line);
  border-radius:var(--r-card);
  box-shadow:var(--sh-3);
  display:none;
}
.trend.is-open .trend-panel{display:block;}
.trend-panel h4{font-size:13px;font-weight:600;color:var(--c-text-3);padding:4px 10px 8px;}
.trend-panel a{
  display:flex;align-items:center;gap:10px;
  padding:9px 10px;
  border-radius:8px;
  font-size:14px;
  color:var(--c-text);
}
.trend-panel a:hover{background:var(--c-brand-50);color:var(--c-brand);}
.trend-panel .idx{font-family:var(--font-num);font-size:12px;color:var(--c-accent);width:16px;flex:none;}
.nav-toggle{
  display:none;
  width:40px;height:38px;
  border:1px solid var(--c-line);
  border-radius:var(--r-btn);
  background:#fff;
  align-items:center;justify-content:center;
}
.nav-toggle span,.nav-toggle span::before,.nav-toggle span::after{
  display:block;width:18px;height:2px;border-radius:2px;background:var(--c-brand);position:relative;
}
.nav-toggle span::before{content:"";position:absolute;top:-6px;left:0;}
.nav-toggle span::after{content:"";position:absolute;top:6px;left:0;}
.mobile-search{
  display:none;
  position:fixed;inset:0;
  z-index:120;
  background:rgba(11,39,35,.94);
  padding:24px 20px;
}
.mobile-search.is-open{display:block;}
.mobile-search form{display:flex;gap:10px;margin-top:60px;}
.mobile-search input{
  flex:1;height:50px;border:0;border-radius:var(--r-btn);
  padding:0 16px;font-size:16px;background:#fff;
}
.mobile-search .close-btn{
  height:50px;padding:0 18px;border:1px solid rgba(255,255,255,.4);
  background:transparent;color:#fff;border-radius:var(--r-btn);
}

/* ============ 面包屑 ============ */
.breadcrumb-wrap{background:var(--c-surface);border-bottom:1px solid var(--c-line-2);}
.breadcrumb{
  display:flex;align-items:center;flex-wrap:wrap;gap:8px;
  padding:14px 0;
  font-size:13px;color:var(--c-text-3);
}
.breadcrumb a{color:var(--c-text-2);}
.breadcrumb a:hover{color:var(--c-accent);}
.breadcrumb .sep{color:var(--c-line);}
.breadcrumb .current{color:var(--c-text);font-weight:500;}

/* ============ 大图开场 ============ */
.page-hero{
  position:relative;
  overflow:hidden;
  background:var(--c-brand-900);
}
.page-hero .hero-media{
  position:absolute;inset:0;
  width:100%;height:100%;
  object-fit:cover;
  opacity:.48;
}
.page-hero::after{
  content:"";
  position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(11,39,35,.78) 0%,rgba(11,39,35,.9) 100%);
}
.page-hero .container{position:relative;z-index:2;padding-top:64px;padding-bottom:64px;}
.hero-badge{
  display:inline-flex;align-items:center;gap:8px;
  height:32px;padding:0 14px;
  border-radius:var(--r-pill);
  background:rgba(255,255,255,.14);
  border:1px solid rgba(255,255,255,.28);
  font-size:13px;color:#fff;
  margin-bottom:20px;
}
.hero-badge i{width:7px;height:7px;border-radius:50%;background:var(--c-accent);display:block;}
.page-hero h1{
  font-size:42px;
  line-height:1.22;
  font-weight:700;
  letter-spacing:-.5px;
  color:#fff;
  max-width:760px;
}
.page-hero .lede{
  margin-top:18px;
  max-width:720px;
  font-size:17px;
  line-height:1.9;
  color:rgba(255,255,255,.82);
}
.hero-facts{
  display:grid;
  grid-template-columns:repeat(4,minmax(0,1fr));
  gap:0;
  margin-top:36px;
  max-width:720px;
  border-top:1px solid rgba(255,255,255,.18);
  padding-top:22px;
}
.hero-facts div{padding-right:18px;border-right:1px solid rgba(255,255,255,.16);}
.hero-facts div:last-child{border-right:0;}
.hero-facts b{
  display:block;
  font-family:var(--font-num);
  font-size:26px;
  font-weight:600;
  letter-spacing:.5px;
  color:#fff;
  line-height:1.2;
}
.hero-facts span{display:block;margin-top:4px;font-size:13px;color:rgba(255,255,255,.7);}

/* ============ 本页速览 ============ */
.page-toc{
  background:var(--c-surface);
  border-bottom:1px solid var(--c-line);
  padding:16px 0;
}
.page-toc .container{display:flex;align-items:center;gap:14px;flex-wrap:wrap;}
.toc-label{font-size:13px;font-weight:600;color:var(--c-text-3);}
.page-toc a{
  display:inline-flex;align-items:center;
  height:32px;padding:0 14px;
  border-radius:var(--r-pill);
  background:var(--c-brand-50);
  color:var(--c-brand);
  font-size:13px;font-weight:500;
}
.page-toc a:hover{background:var(--c-brand);color:#fff;}

/* ============ 通用板块 ============ */
.section{padding:88px 0;}
.section.tight{padding:64px 0;}
.section-head{max-width:760px;margin-bottom:28px;}
.eyebrow{
  display:inline-block;
  font-size:13px;font-weight:600;letter-spacing:1px;
  color:var(--c-teal);
  margin-bottom:10px;
}
.section-head h2{
  font-size:30px;line-height:1.3;font-weight:700;letter-spacing:-.3px;color:var(--c-text);
  position:relative;
  padding-top:14px;
}
.section-head h2::before{
  content:"";position:absolute;top:0;left:0;
  width:40px;height:4px;border-radius:2px;background:var(--c-accent);
}
.section-head p{margin-top:14px;color:var(--c-text-2);font-size:17px;}

/* ============ 交替图文分节 ============ */
.feature-row{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:48px;
  align-items:center;
}
.feature-row + .feature-row{margin-top:0;}
.feature-row.reverse .feature-body{order:2;}
.feature-row.reverse .feature-media{order:1;}
.feature-media{
  border-radius:var(--r-lg);
  overflow:hidden;
  box-shadow:var(--sh-2);
  aspect-ratio:16/11;
  background:var(--c-line-2);
}
.feature-media img{width:100%;height:100%;object-fit:cover;transition:transform .5s ease;}
.feature-media:hover img{transform:scale(1.04);}
.feature-tag{
  display:inline-flex;align-items:center;
  height:26px;padding:0 12px;
  border-radius:var(--r-pill);
  background:var(--c-brand-50);
  color:var(--c-brand);
  font-size:12px;font-weight:600;
  margin-bottom:14px;
}
.feature-body h3{font-size:23px;line-height:1.45;font-weight:600;color:var(--c-text);}
.feature-body p{margin-top:14px;color:var(--c-text-2);font-size:16px;}
.check-list{margin-top:18px;display:grid;gap:12px;}
.check-list li{display:flex;gap:10px;align-items:flex-start;font-size:15px;color:var(--c-text-2);}
.check-list svg{flex:none;margin-top:5px;}

.divider-band{
  height:1px;
  background:var(--c-line-2);
  max-width:1200px;
  margin:64px auto;
  padding:0 24px;
}
.divider-band span{display:block;height:1px;}

/* ============ 深色值班横幅 ============ */
.dark-band{
  position:relative;
  background:var(--c-brand-900);
  color:#fff;
  overflow:hidden;
}
.dark-band .bg{
  position:absolute;inset:0;
  width:100%;height:100%;object-fit:cover;opacity:.22;
}
.dark-band::after{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(11,39,35,.94),rgba(11,39,35,.72));}
.dark-band .container{position:relative;z-index:2;padding:56px 24px;}
.dark-band h2{font-size:26px;font-weight:700;letter-spacing:-.2px;}
.dark-band p{margin-top:12px;max-width:680px;color:rgba(255,255,255,.78);font-size:16px;}
.support-grid{
  display:grid;grid-template-columns:repeat(3,minmax(0,1fr));
  gap:20px;margin-top:32px;
}
.support-item{
  padding:22px;
  border:1px solid rgba(255,255,255,.18);
  border-radius:var(--r-card);
  background:rgba(255,255,255,.05);
}
.support-item h3{font-size:17px;font-weight:600;color:#fff;display:flex;align-items:center;gap:8px;}
.support-item p{margin-top:8px;font-size:14px;color:rgba(255,255,255,.7);line-height:1.7;}
.support-item .tagline{
  display:inline-block;margin-top:12px;font-size:12px;
  color:var(--c-amber);font-family:var(--font-num);letter-spacing:.5px;
}

/* ============ 相关入口条 ============ */
.entry-strip{padding:56px 0;background:var(--c-surface);border-top:1px solid var(--c-line-2);border-bottom:1px solid var(--c-line-2);}
.entry-strip h2{font-size:22px;font-weight:600;margin-bottom:6px;}
.entry-strip .sub{color:var(--c-text-2);font-size:15px;margin-bottom:24px;}
.entry-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:20px;}
.entry-card{
  display:flex;gap:14px;align-items:center;
  padding:16px;
  background:var(--c-bg);
  border:1px solid var(--c-line);
  border-radius:var(--r-card);
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.entry-card:hover{transform:translateY(-3px);box-shadow:var(--sh-2);border-color:var(--c-brand-50);color:var(--c-text);}
.entry-card .thumb{
  width:56px;height:56px;flex:none;
  border-radius:10px;overflow:hidden;background:var(--c-line-2);
}
.entry-card .thumb img{width:100%;height:100%;object-fit:cover;}
.entry-card h3{font-size:15px;font-weight:600;line-height:1.4;}
.entry-card span{display:block;margin-top:4px;font-size:12px;color:var(--c-text-3);}

/* ============ CTA 横幅 ============ */
.cta-band .container{
  display:flex;align-items:center;justify-content:space-between;gap:32px;
  padding:52px 24px;
}
.cta-band h2{font-size:28px;font-weight:700;color:#fff;letter-spacing:-.3px;}
.cta-band p{margin-top:10px;color:rgba(255,255,255,.78);font-size:16px;max-width:620px;}
.cta-actions{display:flex;gap:14px;flex-wrap:wrap;flex:none;}

.btn{
  display:inline-flex;align-items:center;justify-content:center;
  gap:8px;
  height:48px;padding:0 28px;
  border-radius:var(--r-btn);
  font-size:15px;font-weight:600;line-height:1;
  border:1px solid transparent;
  white-space:nowrap;
  transition:transform .18s ease-out,background-color .18s ease-out,box-shadow .18s ease-out,color .18s ease-out;
}
.btn-primary{background:var(--c-accent);color:#fff;}
.btn-primary:hover{background:var(--c-accent-d);color:#fff;transform:translateY(-2px);box-shadow:var(--sh-2);}
.btn-primary:active{transform:translateY(0);background:var(--c-accent-d);}
.btn-ghost-light{background:transparent;border-color:rgba(255,255,255,.6);color:#fff;}
.btn-ghost-light:hover{background:rgba(255,255,255,.12);color:#fff;}
.btn-outline{background:#fff;border-color:var(--c-brand);color:var(--c-brand);}
.btn-outline:hover{background:var(--c-brand);color:#fff;}
.btn-sm{height:40px;padding:0 20px;font-size:14px;}

/* ============ FAQ ============ */
.faq-list{display:grid;gap:12px;}
.faq-list details{
  background:var(--c-surface);
  border:1px solid var(--c-line);
  border-radius:var(--r-card);
  overflow:hidden;
  transition:box-shadow .2s ease,border-color .2s ease;
}
.faq-list details[open]{border-color:var(--c-brand-50);box-shadow:var(--sh-1);}
.faq-list summary{
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  min-height:56px;padding:10px 20px;
  font-size:17px;font-weight:600;color:var(--c-text);
  cursor:pointer;list-style:none;
}
.faq-list summary::-webkit-details-marker{display:none;}
.faq-list summary .plus{
  flex:none;width:22px;height:22px;position:relative;
  transition:transform .2s ease;
}
.faq-list summary .plus::before,
.faq-list summary .plus::after{
  content:"";position:absolute;background:var(--c-brand);border-radius:2px;
}
.faq-list summary .plus::before{top:10px;left:0;width:22px;height:2px;}
.faq-list summary .plus::after{left:10px;top:0;width:2px;height:22px;}
.faq-list details[open] summary .plus{transform:rotate(45deg);}
.faq-list details[open] summary .plus::before,
.faq-list details[open] summary .plus::after{background:var(--c-accent);}
.faq-answer{
  position:relative;
  padding:4px 20px 18px 20px;
  font-size:15px;line-height:1.8;color:var(--c-text-2);
}
.faq-answer::before{
  content:"";position:absolute;left:0;top:0;bottom:14px;width:3px;background:var(--c-accent);border-radius:0 3px 3px 0;
}

/* ============ 页脚 ============ */
.site-footer{
  background:var(--c-brand-900);
  color:rgba(255,255,255,.7);
  padding:64px 0 0;
  margin-top:0;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.5fr 1fr 1fr 1fr;
  gap:40px;
  padding-bottom:48px;
}
.f-brand{display:flex;align-items:center;gap:10px;color:#fff;font-size:17px;font-weight:600;white-space:nowrap;}
.f-brand:hover{color:#fff;}
.f-desc{margin-top:16px;font-size:14px;line-height:1.8;color:rgba(255,255,255,.62);max-width:320px;}
.social-row{display:flex;gap:10px;margin-top:20px;}
.social-row a{
  display:flex;align-items:center;justify-content:center;
  width:36px;height:36px;border-radius:10px;
  border:1px solid rgba(255,255,255,.18);
  color:rgba(255,255,255,.72);
}
.social-row a:hover{border-color:var(--c-accent);color:var(--c-accent);}
.site-footer h4{font-size:15px;font-weight:600;color:#fff;margin-bottom:18px;}
.f-links{display:grid;gap:12px;}
.f-links a{font-size:14px;color:rgba(255,255,255,.7);}
.f-links a:hover{color:var(--c-accent);}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.12);
  padding:20px 0 26px;
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13px;color:rgba(255,255,255,.5);
}

/* ============ 响应式 ============ */
@media (max-width:1024px){
  .search-box{display:none;}
  .search-icon-btn{display:flex;}
  .entry-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .support-grid{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
  .page-hero h1{font-size:36px;}
}
@media (max-width:768px){
  .container{padding:0 16px;}
  .section{padding:56px 0;}
  .section.tight{padding:44px 0;}
  .section-head h2{font-size:24px;}
  .nav-toggle{display:flex;}
  .nav-list{
    position:fixed;top:0;left:0;right:0;bottom:0;
    z-index:110;
    flex-direction:column;
    align-items:stretch;
    background:var(--c-surface);
    padding:76px 20px 24px;
    gap:4px;
    transform:translateY(-8px);
    opacity:0;visibility:hidden;
    transition:opacity .2s ease,transform .2s ease,visibility .2s;
    overflow-y:auto;
  }
  .nav-list.is-open{opacity:1;visibility:visible;transform:translateY(0);}
  .nav-list a{line-height:1.4;padding:14px 0;font-size:17px;border-bottom:1px solid var(--c-line-2);}
  .nav-list a::after{display:none;}
  .nav-list a.is-active{color:var(--c-accent);}
  .nav-tools{gap:8px;}
  .trend-panel{width:min(300px,88vw);right:-4px;}
  .page-hero .container{padding-top:44px;padding-bottom:44px;}
  .page-hero h1{font-size:30px;}
  .page-hero .lede{font-size:15px;}
  .hero-facts{grid-template-columns:repeat(2,minmax(0,1fr));gap:18px 0;}
  .hero-facts div:nth-child(2){border-right:0;}
  .feature-row{grid-template-columns:1fr;gap:24px;}
  .feature-row.reverse .feature-body{order:1;}
  .feature-row.reverse .feature-media{order:2;}
  .feature-body h3{font-size:19px;}
  .divider-band{margin:44px auto;}
  .cta-band .container{flex-direction:column;align-items:flex-start;padding:44px 16px;}
  .cta-band h2{font-size:23px;}
  .entry-grid{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr;gap:32px;padding-bottom:32px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
  .faq-list summary{font-size:16px;padding:12px 16px;}
  .faq-answer{padding:4px 16px 16px 16px;}
}
@media (max-width:520px){
  .brandbar-links .hide-sm{display:none;}
  .brand{font-size:15px;}
  .brandbar-links{gap:14px;font-size:12px;}
  .page-hero h1{font-size:26px;}
  .hero-facts b{font-size:22px;}
  .btn{width:100%;}
  .cta-actions{width:100%;}
  .support-item{padding:18px;}
}

/* roulang page: category5 */
:root{
  --c-brand:#123C36;
  --c-brand-900:#0B2723;
  --c-brand-50:#E8F1EE;
  --c-accent:#FF5A1F;
  --c-accent-d:#E04513;
  --c-teal:#2FA98C;
  --c-amber:#FFD166;
  --c-bg:#F5F3EE;
  --c-surface:#FFFFFF;
  --c-text:#2B3733;
  --c-text-2:#5F6D68;
  --c-text-3:#8C9793;
  --c-line:#E3E0D8;
  --c-line-2:#EFEDE7;
  --c-ok:#2E9E6B;
  --c-warn:#E0A020;
  --c-err:#D64545;
  --sh-1:0 1px 2px rgba(11,39,35,.06),0 2px 8px rgba(11,39,35,.06);
  --sh-2:0 8px 28px rgba(11,39,35,.12);
  --sh-3:0 18px 48px rgba(11,39,35,.18);
  --r-card:14px;
  --r-lg:16px;
  --r-btn:10px;
  --sec:88px;
  --font:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  --font-num:"Oswald","Barlow Condensed","PingFang SC",sans-serif;
}

*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:var(--font);
  font-size:16px;
  line-height:1.8;
  color:var(--c-text);
  background:var(--c-bg);
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none;transition:color .18s ease-out}
a:hover{color:var(--c-accent)}
button,input,select,textarea{font-family:inherit;font-size:inherit;color:inherit}
button{cursor:pointer}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4{margin:0;font-weight:700;color:var(--c-text)}
p{margin:0}
:focus-visible{outline:2px solid var(--c-accent);outline-offset:2px}

.container{max-width:1200px;margin:0 auto;padding:0 24px}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 28px;border-radius:var(--r-btn);
  font-size:15px;font-weight:600;line-height:1;white-space:nowrap;
  border:1px solid transparent;transition:all .2s ease-out;background:transparent;
}
.btn-primary{background:var(--c-accent);color:#fff;border-color:var(--c-accent)}
.btn-primary:hover{background:var(--c-accent-d);border-color:var(--c-accent-d);color:#fff;transform:translateY(-2px);box-shadow:var(--sh-2)}
.btn-primary:active{transform:translateY(1px)}
.btn-ghost-w{color:#fff;border-color:rgba(255,255,255,.6)}
.btn-ghost-w:hover{background:rgba(255,255,255,.12);color:#fff}
.btn-outline{color:var(--c-brand);border-color:var(--c-brand);background:#fff}
.btn-outline:hover{background:var(--c-brand);color:#fff}
.btn-soft{color:var(--c-brand);background:var(--c-brand-50)}
.btn-soft:hover{background:#dbe9e4;color:var(--c-brand)}
.btn-block{width:100%}

/* ===== 头部 ===== */
.site-header{position:relative;z-index:80}
.brandbar{background:var(--c-brand);color:#fff;height:56px;overflow:hidden;transition:height .26s ease,opacity .2s ease}
.brandbar .container{display:flex;align-items:center;justify-content:space-between;gap:18px;height:56px}
.brand{display:flex;align-items:center;gap:10px;color:#fff;font-size:17px;font-weight:700;letter-spacing:.3px}
.brand:hover{color:#fff}
.brand-mark{width:26px;height:26px;flex:none}
.brandbar-links{display:flex;align-items:center;gap:20px;font-size:13px}
.brandbar-links a{color:rgba(255,255,255,.78)}
.brandbar-links a:hover{color:var(--c-accent)}
.brandbar-links .dot{display:inline-block;width:7px;height:7px;border-radius:50%;background:var(--c-ok);margin-right:7px;box-shadow:0 0 0 3px rgba(46,158,107,.22)}

.navbar{background:var(--c-surface);border-bottom:1px solid var(--c-line);position:sticky;top:0;z-index:70}
.navbar .container{display:flex;align-items:center;gap:18px;height:52px;position:relative}
.nav-list{display:flex;align-items:center}
.nav-list a{
  position:relative;display:inline-block;line-height:52px;padding-right:22px;
  font-size:15px;font-weight:500;color:var(--c-text);
}
.nav-list a::after{content:"";position:absolute;left:0;bottom:9px;width:0;height:3px;border-radius:2px;background:var(--c-accent);transition:width .2s ease-out}
.nav-list a:hover{color:var(--c-accent)}
.nav-list a:hover::after{width:22px}
.nav-list a.is-active{color:var(--c-brand);font-weight:600}
.nav-list a.is-active::after{width:22px}

.nav-tools{margin-left:auto;display:flex;align-items:center;gap:14px}
.search-box{
  display:flex;align-items:center;gap:8px;height:38px;width:220px;padding:0 14px;
  border:1px solid var(--c-line);border-radius:999px;background:#fff;color:var(--c-text-3);
}
.search-box:focus-within{border-color:var(--c-accent);box-shadow:0 0 0 3px rgba(255,90,31,.14)}
.search-box input{border:0;outline:0;background:transparent;width:100%;font-size:14px}
.search-box input::placeholder{color:var(--c-text-3)}
.search-icon-btn{display:none;width:38px;height:38px;border:1px solid var(--c-line);background:#fff;border-radius:10px;align-items:center;justify-content:center;color:var(--c-text-2)}
.search-icon-btn:hover{border-color:var(--c-accent);color:var(--c-accent)}

.trend{position:relative}
.trend-btn{
  display:inline-flex;align-items:center;gap:7px;height:38px;padding:0 14px;
  border:1px solid var(--c-line);border-radius:999px;background:#fff;font-size:14px;font-weight:500;color:var(--c-text);
}
.trend-btn:hover{border-color:var(--c-accent);color:var(--c-accent)}
.trend-panel{
  display:none;position:absolute;right:0;top:calc(100% + 12px);width:280px;padding:10px;
  background:#fff;border-radius:var(--r-card);box-shadow:var(--sh-3);border:1px solid var(--c-line-2);
}
.trend.is-open .trend-panel{display:block}
.trend-panel h5{margin:6px 10px 8px;font-size:13px;font-weight:600;color:var(--c-text-3);letter-spacing:.4px}
.trend-panel a{display:flex;align-items:center;gap:10px;padding:9px 10px;border-radius:10px;font-size:14px;color:var(--c-text-2)}
.trend-panel a:hover{background:var(--c-brand-50);color:var(--c-brand)}
.trend-panel .idx{font-family:var(--font-num);font-size:13px;color:var(--c-accent);width:18px;flex:none}

.nav-toggle{display:none;width:40px;height:40px;border:1px solid var(--c-line);border-radius:10px;background:#fff;align-items:center;justify-content:center;color:var(--c-brand)}
.nav-toggle:hover{border-color:var(--c-accent);color:var(--c-accent)}

/* 移动搜索层 */
.search-overlay{display:none;position:fixed;inset:0;background:rgba(11,39,35,.9);z-index:120;padding:24px}
.search-overlay.is-open{display:block}
.search-overlay .box{max-width:640px;margin:80px auto 0;background:#fff;border-radius:var(--r-lg);padding:18px;box-shadow:var(--sh-3)}
.search-overlay .row{display:flex;gap:10px;align-items:center}
.search-overlay input{flex:1;height:46px;border:1px solid var(--c-line);border-radius:10px;padding:0 14px;outline:0}
.search-overlay input:focus{border-color:var(--c-accent)}
.search-overlay .close{margin-left:auto;display:block;background:none;border:0;color:#fff;font-size:14px;margin-top:14px}

/* ===== 板块 ===== */
main{padding-bottom:var(--sec)}
.section{margin-bottom:var(--sec)}
.sec-head{margin-bottom:28px}
.sec-head h2{font-size:30px;line-height:1.3}
.sec-head h2::before{content:"";display:block;width:40px;height:4px;border-radius:2px;background:var(--c-accent);margin-bottom:14px}
.sec-head p{margin-top:10px;font-size:16px;color:var(--c-text-2);max-width:820px}

.crumbs{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--c-text-3);padding:18px 0}
.crumbs a{color:var(--c-text-2)}
.crumbs span.sep{color:var(--c-text-3)}
.crumbs .now{color:var(--c-text);max-width:320px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}

/* Hero */
.cat-hero{
  position:relative;color:#fff;padding:58px 0 54px;overflow:hidden;
  background:linear-gradient(180deg,rgba(11,39,35,.86),rgba(11,39,35,.72)),url('/assets/images/backpic/back-2.png') center/cover no-repeat;
}
.cat-hero::after{
  content:"";position:absolute;right:-120px;bottom:-160px;width:420px;height:420px;border-radius:50%;
  border:1px solid rgba(255,255,255,.08);box-shadow:0 0 0 60px rgba(255,255,255,.04);pointer-events:none;
}
.hero-grid{display:grid;grid-template-columns:1.4fr 1fr;gap:48px;align-items:start;position:relative;z-index:2}
.badge{
  display:inline-flex;align-items:center;gap:8px;height:30px;padding:0 14px;border-radius:999px;
  background:rgba(255,255,255,.14);border:1px solid rgba(255,255,255,.24);
  font-size:13px;color:#fff;margin-bottom:20px;
}
.badge i{width:7px;height:7px;border-radius:50%;background:var(--c-accent);display:inline-block}
.cat-hero h1{font-size:40px;line-height:1.24;letter-spacing:-.5px;color:#fff;max-width:640px}
.cat-hero .lede{margin-top:18px;font-size:17px;line-height:1.8;color:rgba(255,255,255,.82);max-width:640px}
.hero-cta{display:flex;flex-wrap:wrap;gap:14px;margin-top:28px}
.hero-stats{display:grid;grid-template-columns:repeat(4,1fr);margin-top:38px;border-top:1px solid rgba(255,255,255,.18);padding-top:22px}
.hero-stats div{padding-right:16px;border-right:1px solid rgba(255,255,255,.18)}
.hero-stats div:last-child{border-right:0}
.hero-stats strong{display:block;font-family:var(--font-num);font-size:24px;font-weight:500;letter-spacing:.5px;color:#fff}
.hero-stats span{font-size:13px;color:rgba(255,255,255,.7)}

.hero-card{background:#fff;border-radius:var(--r-lg);box-shadow:var(--sh-3);padding:22px;color:var(--c-text)}
.hero-card .thumb{aspect-ratio:16/9;border-radius:12px;overflow:hidden;background:var(--c-brand-50)}
.hero-card .thumb img{width:100%;height:100%;object-fit:cover}
.hero-card h3{margin-top:18px;font-size:18px}
.hero-card ul{margin-top:14px;display:grid;gap:12px}
.hero-card li{display:flex;gap:10px;font-size:14px;line-height:1.6;color:var(--c-text-2)}
.hero-card li svg{flex:none;margin-top:3px;color:var(--c-teal)}
.hero-card .btn{margin-top:20px}

/* 适用情形 */
.scene-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:16px}
.scene{background:var(--c-surface);border:1px solid var(--c-line);border-left:3px solid var(--c-accent);border-radius:var(--r-card);padding:20px 22px;display:flex;gap:16px}
.scene .num{font-family:var(--font-num);font-size:20px;color:var(--c-accent);line-height:1.2;flex:none;width:34px}
.scene h3{font-size:17px;line-height:1.5}
.scene p{margin-top:6px;font-size:14px;line-height:1.75;color:var(--c-text-2)}

/* 问答矩阵 */
.faq-grid{display:grid;grid-template-columns:1fr 1fr;gap:12px;align-items:start}
.faq-col{display:grid;gap:12px}
details.faq{
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-card);overflow:hidden;
  transition:box-shadow .2s ease-out,border-color .2s ease-out;
}
details.faq:hover{box-shadow:var(--sh-1)}
details.faq[open]{box-shadow:inset 3px 0 0 var(--c-accent);border-color:#d8d4c9}
details.faq summary{
  list-style:none;cursor:pointer;display:flex;align-items:center;gap:14px;
  min-height:56px;padding:12px 20px;font-size:17px;font-weight:600;line-height:1.5;
}
details.faq summary::-webkit-details-marker{display:none}
details.faq summary::after{
  content:"+";margin-left:auto;flex:none;font-size:22px;font-weight:400;color:var(--c-text-3);
  transition:transform .2s ease-out,color .2s ease-out;line-height:1;
}
details.faq[open] summary::after{transform:rotate(45deg);color:var(--c-accent)}
details.faq .answer{padding:0 20px 18px;font-size:15px;line-height:1.85;color:var(--c-text-2)}
details.faq .answer strong{color:var(--c-text);font-weight:600}

/* 对比表 */
.table-scroll{overflow-x:auto;border-radius:var(--r-card)}
.cmp-table{width:100%;min-width:780px;border-collapse:separate;border-spacing:0;background:#fff;border:1px solid var(--c-line);border-radius:var(--r-card);overflow:hidden;font-size:14.5px}
.cmp-table th{
  background:var(--c-brand-50);color:var(--c-brand);font-size:14px;font-weight:600;
  text-align:left;padding:14px 18px;white-space:nowrap;
}
.cmp-table td{padding:16px 18px;border-top:1px solid var(--c-line-2);color:var(--c-text-2);vertical-align:top;line-height:1.7}
.cmp-table tbody tr:nth-child(even){background:#FAF9F5}
.cmp-table tbody tr:hover{background:var(--c-brand-50)}
.cmp-table td:first-child{color:var(--c-text);font-weight:600;white-space:nowrap}
.cmp-table td .tag{display:inline-block;height:22px;line-height:22px;padding:0 10px;border-radius:999px;font-size:12px;background:var(--c-brand-50);color:var(--c-brand)}
.cmp-table td .tag.warn{background:#FCF3DE;color:#8A6210}
.table-tip{margin-top:12px;font-size:13px;color:var(--c-text-3)}

/* 相关入口 */
.entry-row{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.entry-card{
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-card);
  overflow:hidden;display:flex;flex-direction:column;
  transition:transform .2s ease-out,box-shadow .2s ease-out,border-color .2s ease-out;
}
.entry-card:hover{transform:translateY(-3px);box-shadow:var(--sh-2);border-color:#d8d4c9}
.entry-card .cover{aspect-ratio:16/9;overflow:hidden;background:var(--c-brand-50)}
.entry-card .cover img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease-out}
.entry-card:hover .cover img{transform:scale(1.04)}
.entry-card .body{padding:18px;display:flex;flex-direction:column;gap:8px;flex:1}
.entry-card .chip{align-self:flex-start;font-size:11px;line-height:1;padding:6px 10px;border-radius:999px;background:var(--c-brand-50);color:var(--c-brand)}
.entry-card h3{font-size:17px;line-height:1.45}
.entry-card:hover h3{color:var(--c-accent)}
.entry-card p{font-size:14px;line-height:1.7;color:var(--c-text-2)}
.entry-card .more{margin-top:auto;font-size:13px;color:var(--c-teal);font-weight:600}

/* CTA 横幅 */
.cta-band{
  position:relative;overflow:hidden;border-radius:var(--r-lg);color:#fff;padding:46px 48px;
  background:linear-gradient(100deg,rgba(11,39,35,.92),rgba(18,60,54,.82)),url('/assets/images/backpic/back-3.webp') center/cover no-repeat;
  display:flex;flex-wrap:wrap;align-items:center;gap:32px;justify-content:space-between;
  box-shadow:inset 0 0 0 1px rgba(255,255,255,.08);
}
.cta-band::after{
  content:"";position:absolute;right:-90px;top:-120px;width:320px;height:320px;border-radius:50%;
  border:1px solid rgba(255,255,255,.1);box-shadow:0 0 0 46px rgba(255,255,255,.04);pointer-events:none;
}
.cta-band h2{color:#fff;font-size:28px;line-height:1.35;max-width:620px}
.cta-band h2::before{display:none}
.cta-band p{margin-top:12px;font-size:15px;color:rgba(255,255,255,.82);max-width:620px}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;position:relative;z-index:2}

/* 页脚 */
.site-footer{background:var(--c-brand-900);color:#fff;padding:64px 0 26px;margin-top:0}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:40px}
.f-brand{display:flex;align-items:center;gap:10px;color:#fff;font-size:17px;font-weight:700}
.f-brand:hover{color:#fff}
.f-desc{margin-top:16px;font-size:14px;line-height:1.85;color:rgba(255,255,255,.7);max-width:340px}
.social-row{display:flex;gap:12px;margin-top:20px}
.social-row a{
  width:36px;height:36px;border-radius:10px;display:flex;align-items:center;justify-content:center;
  border:1px solid rgba(255,255,255,.18);color:rgba(255,255,255,.8);
}
.social-row a:hover{color:var(--c-accent);border-color:rgba(255,90,31,.5)}
.site-footer h4{color:#fff;font-size:15px;font-weight:600;margin-bottom:16px}
.f-links{display:grid;gap:11px}
.f-links a{font-size:14px;color:rgba(255,255,255,.7)}
.f-links a:hover{color:var(--c-accent)}
.footer-bottom{
  margin-top:46px;padding-top:20px;border-top:1px solid rgba(255,255,255,.12);
  display:flex;flex-wrap:wrap;gap:10px 28px;justify-content:space-between;
  font-size:13px;color:rgba(255,255,255,.6);
}

/* 响应式 */
@media (max-width:1024px){
  :root{--sec:72px}
  .hero-grid{grid-template-columns:1fr;gap:34px}
  .cat-hero h1{font-size:34px}
  .entry-row{grid-template-columns:repeat(2,1fr)}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  .nav-list a{padding-right:16px;font-size:14px}
  .search-box{width:180px}
}
@media (max-width:768px){
  :root{--sec:56px}
  .container{padding:0 16px}
  .brandbar-links .hide-sm{display:none}
  .brandbar-links{gap:14px}
  .nav-toggle{display:inline-flex;margin-left:auto}
  .nav-tools .search-box{display:none}
  .search-icon-btn{display:inline-flex}
  .nav-list{
    display:none;position:absolute;top:100%;left:0;right:0;flex-direction:column;align-items:stretch;
    background:#fff;border-bottom:1px solid var(--c-line);box-shadow:var(--sh-2);padding:8px 16px 14px;
  }
  .nav-list.is-open{display:flex}
  .nav-list a{line-height:1.4;padding:13px 0;border-bottom:1px solid var(--c-line-2);font-size:15px}
  .nav-list li:last-child a{border-bottom:0}
  .nav-list a::after{display:none}
  .nav-list a.is-active{color:var(--c-accent)}
  .cat-hero{padding:40px 0 36px}
  .cat-hero h1{font-size:30px}
  .cat-hero .lede{font-size:16px}
  .hero-stats{grid-template-columns:repeat(2,1fr);gap:18px 0}
  .hero-stats div{border-right:0;padding-right:0}
  .section{margin-bottom:var(--sec)}
  .sec-head h2{font-size:24px}
  .scene-grid{grid-template-columns:1fr}
  .faq-grid{grid-template-columns:1fr}
  .entry-row{grid-template-columns:1fr}
  .cta-band{padding:32px 24px;border-radius:var(--r-card)}
  .cta-band h2{font-size:23px}
  .cta-actions .btn{width:100%}
  .footer-grid{grid-template-columns:1fr;gap:30px}
  .footer-bottom{flex-direction:column;gap:8px}
}
@media (max-width:560px){
  .brand{font-size:15px}
  .brand-mark{width:22px;height:22px}
  .hero-card{padding:18px}
  .scene{padding:18px}
  details.faq summary{font-size:16px;padding:12px 16px}
  details.faq .answer{padding:0 16px 16px}
  .cmp-table{font-size:14px}
  .cmp-table th,.cmp-table td{padding:12px 14px}
}
@media (max-width:400px){
  .cat-hero h1{font-size:26px}
  .btn{height:46px;padding:0 20px;font-size:14px}
}