/* roulang page: index */
:root{
  --brand-700:#0B5C7A;
  --brand-600:#0E7292;
  --brand-500:#2C90B0;
  --brand-100:#E3F2F7;
  --brand-50:#F2F9FB;
  --orange-600:#E9671B;
  --orange:#FF7A2F;
  --orange-50:#FFEDE2;
  --green:#1F9D6B;
  --green-50:#E8F6F0;
  --bg:#F7FAFC;
  --card:#FFFFFF;
  --line:#E6EEF3;
  --text:#0F2231;
  --muted:#4A6272;
  --weak:#8698A6;
  --r-card:18px;
  --r-img:16px;
  --r-btn:12px;
  --r-input:10px;
  --sh-sm:0 2px 6px rgba(11,92,122,.06);
  --sh-md:0 10px 30px rgba(11,92,122,.08);
  --sh-lg:0 18px 50px rgba(11,92,122,.12);
  --bs-primary:#0E7292;
  --bs-body-font-family:"PingFang SC","HarmonyOS Sans","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  --bs-body-color:#0F2231;
  --bs-border-radius:18px;
  --bs-link-color:#0E7292;
  --bs-link-hover-color:#0B5C7A;
  --bs-body-bg:#F7FAFC;
}
*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--bs-body-font-family);
  font-size:16px;
  line-height:1.75;
  color:var(--text);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:var(--brand-600);text-decoration:none;transition:color .18s ease;}
a:hover{color:var(--brand-700);}
button{font-family:inherit;}
h1,h2,h3,h4{margin:0;font-weight:700;letter-spacing:-.01em;color:var(--brand-700);}
h1{font-size:clamp(30px,4.4vw,48px);line-height:1.22;}
h2{font-size:clamp(23px,2.6vw,31px);line-height:1.34;}
h3{font-size:21px;line-height:1.4;}
p{margin:0;}
ul{margin:0;padding:0;list-style:none;}
.container{width:100%;max-width:1180px;margin:0 auto;padding:0 24px;}
.section{padding:96px 0;}
.section-tight{padding:72px 0;}
.section-head{margin-bottom:44px;max-width:760px;}
.section-head.center{margin-left:auto;margin-right:auto;text-align:center;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:600;color:var(--brand-600);
  background:var(--brand-100);border-radius:999px;padding:6px 14px;margin-bottom:16px;
}
.eyebrow.orange{background:var(--orange-50);color:var(--orange-600);}
.lead{color:var(--muted);font-size:16px;margin-top:14px;}
.section-head h2 + .lead{margin-top:12px;}
.text-weak{color:var(--weak);font-size:13px;}

/* 按钮 */
.btn-main{
  display:inline-flex;align-items:center;justify-content:center;gap:9px;
  background:var(--orange);color:#fff;border:1px solid var(--orange);
  border-radius:var(--r-btn);padding:13px 26px;font-size:15px;font-weight:600;
  cursor:pointer;transition:all .18s ease;
}
.btn-main:hover{background:var(--orange-600);border-color:var(--orange-600);color:#fff;transform:translateY(-2px);box-shadow:var(--sh-md);}
.btn-pill{border-radius:999px;padding:11px 24px;}
.btn-outline{
  display:inline-flex;align-items:center;justify-content:center;gap:9px;
  background:#fff;color:var(--brand-700);border:1px solid var(--brand-600);
  border-radius:var(--r-btn);padding:13px 26px;font-size:15px;font-weight:600;
  cursor:pointer;transition:all .18s ease;
}
.btn-outline:hover{background:var(--brand-50);color:var(--brand-700);transform:translateY(-2px);box-shadow:var(--sh-sm);}
.btn-ghost{
  display:inline-flex;align-items:center;gap:7px;background:none;border:0;
  color:var(--brand-600);font-size:14px;font-weight:600;padding:4px 0;cursor:pointer;
}
.btn-ghost:hover{color:var(--brand-700);}
.btn-ghost i{transition:transform .18s ease;}
.btn-ghost:hover i{transform:translateX(4px);}
.btn-main:focus-visible,.btn-outline:focus-visible,.btn-ghost:focus-visible,.dock-link:focus-visible,.faq-q:focus-visible{
  outline:2px solid var(--brand-600);outline-offset:2px;
}

/* Dock 导航 */
.dock-wrap{position:fixed;top:0;left:0;right:0;z-index:1000;padding:18px 0;transition:padding .22s ease;pointer-events:none;}
.dock-wrap.scrolled{padding:9px 0;}
.dock{
  pointer-events:auto;
  max-width:1040px;margin:0 auto;
  display:flex;align-items:center;gap:18px;
  background:rgba(255,255,255,.94);
  backdrop-filter:blur(8px);
  -webkit-backdrop-filter:blur(8px);
  border:1px solid var(--line);
  border-radius:999px;
  box-shadow:var(--sh-md);
  padding:10px 14px 10px 18px;
  transition:box-shadow .22s ease, padding .22s ease;
}
.dock-wrap.scrolled .dock{box-shadow:var(--sh-lg);padding:8px 14px 8px 18px;}
.dock-logo{display:flex;align-items:center;gap:10px;flex-shrink:0;}
.logo-mark{
  width:38px;height:38px;border-radius:12px;flex-shrink:0;
  background:linear-gradient(140deg,var(--brand-600),var(--brand-500));
  color:#fff;font-weight:700;font-size:18px;
  display:flex;align-items:center;justify-content:center;
}
.logo-text{display:flex;flex-direction:column;line-height:1.15;}
.logo-text b{font-size:15px;font-weight:700;color:var(--brand-700);letter-spacing:-.01em;}
.logo-text i{font-style:normal;font-size:11px;color:var(--weak);letter-spacing:.16em;}
.dock-nav{display:flex;align-items:center;gap:4px;margin-left:6px;}
.dock-link{
  position:relative;display:inline-block;
  font-size:14.5px;font-weight:600;color:var(--muted);
  padding:8px 14px;border-radius:999px;transition:all .18s ease;
}
.dock-link::after{
  content:"";position:absolute;left:50%;bottom:2px;height:2px;width:0;
  background:var(--orange);transition:all .18s ease;transform:translateX(-50%);border-radius:2px;
}
.dock-link:hover{color:var(--brand-700);}
.dock-link:hover::after{width:20px;}
.dock-link.active{background:var(--brand-100);color:var(--brand-700);}
.dock-link.active::after{display:none;}
.dock-actions{display:flex;align-items:center;gap:10px;margin-left:auto;}
.dock-search{
  width:38px;height:38px;border-radius:50%;border:1px solid var(--line);background:#fff;
  color:var(--brand-700);display:flex;align-items:center;justify-content:center;cursor:pointer;
  transition:all .18s ease;
}
.dock-search:hover{background:var(--brand-50);border-color:var(--brand-100);}
.dock-burger{
  display:none;width:38px;height:38px;border-radius:50%;border:1px solid var(--line);
  background:#fff;color:var(--brand-700);align-items:center;justify-content:center;cursor:pointer;
}
.dock-search-panel{
  max-width:1040px;margin:10px auto 0;padding:0 18px;
  display:none;pointer-events:auto;
}
.dock-search-panel.open{display:block;}
.dock-search-inner{
  background:#fff;border:1px solid var(--line);border-radius:999px;box-shadow:var(--sh-md);
  display:flex;align-items:center;gap:10px;padding:8px 10px 8px 20px;
}
.dock-search-inner input{
  flex:1;border:0;outline:none;font-size:14px;color:var(--text);background:transparent;height:34px;
}
.dock-search-inner input::placeholder{color:var(--weak);font-size:13px;}
.dock-search-inner button{
  border:0;background:var(--brand-600);color:#fff;border-radius:999px;padding:8px 18px;
  font-size:14px;font-weight:600;cursor:pointer;transition:background .18s ease;
}
.dock-search-inner button:hover{background:var(--brand-700);}
.mobile-drawer{
  display:none;pointer-events:auto;max-width:1040px;margin:10px auto 0;padding:0 18px;
}
.mobile-drawer.open{display:block;}
.mobile-drawer-inner{
  background:#fff;border:1px solid var(--line);border-radius:22px;box-shadow:var(--sh-lg);
  padding:16px;display:flex;flex-direction:column;gap:6px;
}
.mobile-drawer-inner a{
  padding:12px 16px;border-radius:14px;font-size:15px;font-weight:600;color:var(--muted);
}
.mobile-drawer-inner a.active{background:var(--brand-100);color:var(--brand-700);}
.mobile-drawer-inner .btn-main{margin-top:8px;}

/* Hero */
.hero{position:relative;padding:170px 0 84px;overflow:hidden;}
.hero::before{
  content:"";position:absolute;inset:0;
  background-image:radial-gradient(rgba(14,114,146,.14) 1px, transparent 1px);
  background-size:22px 22px;opacity:.55;pointer-events:none;
}
.hero::after{
  content:"";position:absolute;right:-10%;top:-12%;width:620px;height:620px;border-radius:50%;
  background:radial-gradient(circle,rgba(255,122,47,.13),transparent 68%);pointer-events:none;
}
.hero .container{position:relative;z-index:2;}
.hero-grid{display:grid;grid-template-columns:6fr 4fr;gap:56px;align-items:center;}
.hero-badge{
  display:inline-flex;align-items:center;gap:8px;background:#fff;border:1px solid var(--line);
  border-radius:999px;padding:7px 16px;font-size:13px;font-weight:600;color:var(--brand-600);
  box-shadow:var(--sh-sm);margin-bottom:20px;
}
.hero-badge .dot{width:7px;height:7px;border-radius:50%;background:var(--green);}
.hero h1{margin-bottom:18px;}
.hero .hero-sub{font-size:17px;color:var(--muted);max-width:540px;}
.hero-cta{display:flex;gap:14px;margin-top:32px;flex-wrap:wrap;}
.hero-trust{
  display:flex;flex-wrap:wrap;gap:10px 22px;margin-top:28px;padding-top:22px;
  border-top:1px dashed var(--line);
}
.hero-trust li{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--muted);}
.hero-trust i{color:var(--green);font-size:13px;}
.hero-visual{position:relative;}
.hero-frame{
  position:relative;border-radius:20px;overflow:hidden;background:var(--brand-50);
  border:1px solid var(--line);box-shadow:var(--sh-lg),0 0 0 8px rgba(255,255,255,.7);
  aspect-ratio:4/3;
}
.hero-frame img{width:100%;height:100%;object-fit:cover;}
.hero-float{
  position:absolute;left:-18px;bottom:26px;background:#fff;border:1px solid var(--line);
  border-radius:16px;box-shadow:var(--sh-md);padding:12px 16px;display:flex;align-items:center;gap:12px;
}
.hero-float .num{font-size:20px;font-weight:700;color:var(--orange);line-height:1;}
.hero-float .lbl{font-size:12px;color:var(--weak);}

/* 价值条 */
.strip{border-top:1px solid var(--line);border-bottom:1px solid var(--line);background:#fff;}
.strip-grid{display:grid;grid-template-columns:repeat(4,1fr);}
.strip-item{padding:26px 22px;border-right:1px solid var(--line);}
.strip-item:last-child{border-right:0;}
.strip-item .k{font-size:19px;font-weight:700;color:var(--brand-700);}
.strip-item .v{font-size:13px;color:var(--weak);margin-top:2px;}

/* 价值卡 2+1 */
.value-grid{display:grid;grid-template-columns:1.35fr 1fr;gap:24px;}
.card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);
  box-shadow:var(--sh-sm);transition:transform .18s ease, box-shadow .18s ease;overflow:hidden;
}
.card:hover{transform:translateY(-4px);box-shadow:var(--sh-md);}
.value-main{display:flex;flex-direction:column;}
.value-main .thumb{aspect-ratio:16/10;overflow:hidden;background:var(--brand-50);}
.value-main .thumb img{width:100%;height:100%;object-fit:cover;}
.value-main .body{padding:26px 26px 28px;}
.value-side{display:grid;grid-template-rows:1fr 1fr;gap:24px;}
.value-side .card{display:flex;gap:18px;padding:22px;}
.value-side .mini-thumb{
  width:96px;height:96px;border-radius:14px;overflow:hidden;flex-shrink:0;background:var(--brand-50);
}
.value-side .mini-thumb img{width:100%;height:100%;object-fit:cover;}
.tag{
  display:inline-block;font-size:12px;font-weight:600;border-radius:999px;padding:4px 12px;
  background:var(--brand-100);color:var(--brand-700);margin-bottom:12px;
}
.tag.orange{background:var(--orange-50);color:var(--orange-600);}
.tag.green{background:var(--green-50);color:var(--green);}
.card h3{margin-bottom:10px;}
.card p{color:var(--muted);font-size:15px;}

/* 轮播 */
.shots{background:#fff;border-top:1px solid var(--line);border-bottom:1px solid var(--line);}
.shots-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:34px;flex-wrap:wrap;}
.shots-nav{display:flex;gap:10px;}
.shot-btn{
  width:44px;height:44px;border-radius:50%;background:#fff;border:1px solid var(--line);
  color:var(--brand-700);cursor:pointer;box-shadow:var(--sh-sm);transition:all .18s ease;
}
.shot-btn:hover{background:var(--brand-50);transform:translateY(-2px);box-shadow:var(--sh-md);}
.shots-track{
  display:flex;gap:22px;overflow-x:auto;scroll-snap-type:x mandatory;
  padding-bottom:12px;scrollbar-width:none;
}
.shots-track::-webkit-scrollbar{display:none;}
.shot{
  flex:0 0 calc((100% - 44px)/3);scroll-snap-align:start;
}
.shot .frame{
  aspect-ratio:16/10;border-radius:var(--r-img);overflow:hidden;border:1px solid var(--line);
  background:var(--brand-50);box-shadow:var(--sh-sm);
}
.shot .frame img{width:100%;height:100%;object-fit:cover;}
.shot h3{font-size:17px;margin:16px 0 6px;}
.shot p{font-size:14px;color:var(--muted);}
.shots-dots{display:flex;gap:8px;justify-content:center;margin-top:26px;}
.shots-dots span{
  width:26px;height:6px;border-radius:999px;background:var(--line);display:block;cursor:pointer;
  transition:all .22s ease;
}
.shots-dots span.on{width:44px;background:var(--brand-600);}

/* 系统要求 */
.spec-grid{display:grid;grid-template-columns:1fr 1.15fr;gap:48px;align-items:start;}
.spec-list{border:1px solid var(--line);border-radius:var(--r-card);overflow:hidden;background:#fff;box-shadow:var(--sh-sm);}
.spec-row{display:grid;grid-template-columns:170px 1fr;gap:18px;padding:0 24px;min-height:48px;align-items:center;border-bottom:1px solid var(--line);}
.spec-row:nth-child(odd){background:#FBFDFE;}
.spec-row:last-child{border-bottom:0;}
.spec-row .k{font-weight:600;font-size:14.5px;color:var(--brand-700);}
.spec-row .v{font-size:14.5px;color:var(--muted);padding:11px 0;}
.spec-note{
  margin-top:22px;background:var(--brand-50);border:1px solid var(--brand-100);border-radius:14px;
  padding:16px 20px;font-size:14px;color:var(--brand-700);
}

/* 评价墙 */
.reviews{background:#fff;border-top:1px solid var(--line);border-bottom:1px solid var(--line);}
.review-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;align-items:start;}
.review{padding:24px;display:flex;flex-direction:column;gap:14px;}
.review:nth-child(2){margin-top:28px;}
.review:nth-child(5){margin-top:28px;}
.review:nth-child(3){margin-top:14px;}
.review:nth-child(6){margin-top:14px;}
.review .who{display:flex;align-items:center;gap:12px;}
.avatar{
  width:42px;height:42px;border-radius:50%;background:var(--brand-100);color:var(--brand-700);
  display:flex;align-items:center;justify-content:center;font-weight:700;font-size:15px;flex-shrink:0;
}
.review .name{font-size:15px;font-weight:600;color:var(--text);}
.stars{color:var(--orange);font-size:13px;letter-spacing:2px;}
.review p{font-size:14.5px;color:var(--muted);}
.review .src{font-size:12px;color:var(--weak);margin-top:auto;}

/* 下载 */
.download-card{
  background:#fff;border:1px solid var(--line);border-radius:24px;box-shadow:var(--sh-md);
  padding:36px;display:grid;grid-template-columns:1.6fr .8fr;gap:36px;
}
.dl-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px;margin-top:26px;}
.dl-btn{
  display:flex;flex-direction:column;gap:3px;align-items:flex-start;
  border-radius:var(--r-btn);padding:14px 20px;border:1px solid var(--brand-600);
  background:#fff;color:var(--brand-700);font-weight:600;font-size:15px;transition:all .18s ease;
}
.dl-btn small{font-size:12px;font-weight:400;color:var(--weak);}
.dl-btn:hover{background:var(--brand-50);transform:translateY(-2px);box-shadow:var(--sh-sm);color:var(--brand-700);}
.dl-btn.primary{background:var(--orange);border-color:var(--orange);color:#fff;}
.dl-btn.primary small{color:rgba(255,255,255,.85);}
.dl-btn.primary:hover{background:var(--orange-600);border-color:var(--orange-600);color:#fff;}
.qr-box{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:14px;text-align:center;}
.qr{
  width:140px;height:140px;border-radius:16px;border:1px solid var(--line);
  background:
    repeating-linear-gradient(45deg,#F2F9FB 0 8px,#E3F2F7 8px 16px);
  display:flex;align-items:center;justify-content:center;color:var(--brand-700);font-size:34px;
}
.qr-box .code{font-size:12px;color:var(--weak);word-break:break-all;}

/* 资讯列表 */
.news-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:34px;flex-wrap:wrap;}
.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.news-card{
  display:flex;flex-direction:column;background:#fff;border:1px solid var(--line);
  border-radius:var(--r-card);overflow:hidden;box-shadow:var(--sh-sm);
  transition:transform .18s ease, box-shadow .18s ease;color:inherit;
}
.news-card:hover{transform:translateY(-4px);box-shadow:var(--sh-md);color:inherit;}
.news-thumb{position:relative;aspect-ratio:16/9;background:var(--brand-50);overflow:hidden;}
.news-thumb img{width:100%;height:100%;object-fit:cover;}
.news-thumb .badge-cat{
  position:absolute;top:12px;left:12px;background:rgba(255,255,255,.94);
  color:var(--brand-700);font-size:12px;font-weight:600;border-radius:999px;padding:4px 12px;
  border:1px solid var(--line);
}
.news-body{padding:20px 22px 22px;display:flex;flex-direction:column;gap:10px;flex:1;}
.news-body h3{
  font-size:17px;color:var(--text);line-height:1.5;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.news-body p{
  font-size:14px;color:var(--muted);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.news-meta{
  margin-top:auto;padding-top:14px;border-top:1px solid var(--line);
  display:flex;align-items:center;justify-content:space-between;font-size:12.5px;color:var(--weak);
}
.news-meta i{color:var(--brand-600);}
.empty-state{
  grid-column:1/-1;background:#fff;border:1px dashed var(--line);border-radius:var(--r-card);
  padding:52px 24px;text-align:center;color:var(--muted);
}
.empty-state i{font-size:34px;color:var(--brand-500);display:block;margin-bottom:16px;}
.empty-state .acts{margin-top:20px;display:flex;gap:12px;justify-content:center;flex-wrap:wrap;}

/* FAQ */
.faq-list{display:flex;flex-direction:column;gap:14px;}
.faq-item{
  background:#fff;border:1px solid var(--line);border-left:4px solid var(--line);
  border-radius:14px;overflow:hidden;transition:border-color .18s ease, box-shadow .18s ease;
}
.faq-item.open{border-left-color:var(--orange);box-shadow:var(--sh-sm);}
.faq-q{
  width:100%;background:none;border:0;text-align:left;cursor:pointer;
  padding:20px 24px;display:flex;align-items:center;justify-content:space-between;gap:16px;
  font-size:16px;font-weight:600;color:var(--brand-700);
}
.faq-q .plus{
  width:26px;height:26px;border-radius:50%;background:var(--brand-50);color:var(--brand-600);
  display:flex;align-items:center;justify-content:center;flex-shrink:0;transition:all .2s ease;
}
.faq-item.open .faq-q .plus{transform:rotate(45deg);background:var(--orange-50);color:var(--orange-600);}
.faq-a{max-height:0;overflow:hidden;transition:max-height .26s ease;}
.faq-item.open .faq-a{max-height:220px;}
.faq-a p{padding:0 24px 20px;font-size:14.5px;color:var(--muted);}

/* 收尾 CTA */
.cta-band{
  position:relative;background:var(--brand-50);border:1px solid var(--brand-100);
  border-radius:24px;padding:44px;display:flex;align-items:center;justify-content:space-between;
  gap:28px;overflow:hidden;
}
.cta-band::after{
  content:"";position:absolute;inset:0;background-image:url('/assets/images/backpic/back-2.webp');
  background-size:cover;background-position:center;opacity:.07;pointer-events:none;
}
.cta-band .cta-text{position:relative;z-index:2;max-width:640px;}
.cta-band h2{font-size:26px;margin-bottom:10px;}
.cta-band p{color:var(--muted);font-size:15px;}
.cta-band .btn-main{position:relative;z-index:2;flex-shrink:0;}

/* 页脚 */
.footer{background:#fff;border-top:1px solid var(--line);margin-top:96px;padding-top:64px;}
.foot-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:40px;}
.foot-brand p{font-size:14px;color:var(--muted);margin-top:16px;max-width:300px;}
.foot-col h4{font-size:15px;color:var(--brand-700);margin-bottom:18px;}
.foot-col li{margin-bottom:11px;}
.foot-col a{
  position:relative;font-size:14px;color:var(--muted);display:inline-block;
}
.foot-col a::after{
  content:"";position:absolute;left:0;bottom:-2px;height:1px;width:0;background:var(--brand-600);
  transition:width .2s ease;
}
.foot-col a:hover{color:var(--brand-600);}
.foot-col a:hover::after{width:100%;}
.foot-sub{display:flex;gap:10px;margin-top:14px;}
.foot-sub input{
  flex:1;border:1px solid var(--line);border-radius:var(--r-input);padding:11px 14px;
  font-size:13px;outline:none;transition:all .18s ease;color:var(--text);
}
.foot-sub input::placeholder{color:var(--weak);}
.foot-sub input:focus{border-color:var(--brand-600);box-shadow:0 0 0 3px var(--brand-100);}
.foot-sub button{
  border:0;background:var(--brand-600);color:#fff;border-radius:var(--r-input);
  padding:11px 18px;font-size:14px;font-weight:600;cursor:pointer;transition:background .18s ease;
}
.foot-sub button:hover{background:var(--brand-700);}
.foot-tip{font-size:12px;color:var(--weak);margin-top:10px;}
.foot-bottom{
  margin-top:52px;border-top:1px solid var(--line);padding:22px 0;
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13px;color:var(--weak);
}

@media (max-width:1200px){
  .review-grid{grid-template-columns:repeat(2,1fr);}
  .review:nth-child(2),.review:nth-child(3),.review:nth-child(5),.review:nth-child(6){margin-top:0;}
}
@media (max-width:992px){
  .dock-nav{display:none;}
  .dock-burger{display:flex;}
  .dock-search{display:none;}
  .hero{padding:140px 0 64px;}
  .hero-grid{grid-template-columns:1fr;gap:40px;}
  .hero-visual{order:-1;}
  .hero-frame{aspect-ratio:16/10;}
  .strip-grid{grid-template-columns:1fr 1fr;}
  .strip-item:nth-child(2){border-right:0;}
  .strip-item:nth-child(1),.strip-item:nth-child(2){border-bottom:1px solid var(--line);}
  .value-grid{grid-template-columns:1fr;}
  .value-side{grid-template-rows:auto;grid-template-columns:1fr 1fr;}
  .shot{flex:0 0 86%;}
  .spec-grid{grid-template-columns:1fr;gap:28px;}
  .news-grid{grid-template-columns:repeat(2,1fr);}
  .download-card{grid-template-columns:1fr;padding:28px;}
  .cta-band{flex-direction:column;align-items:flex-start;padding:34px;}
  .foot-grid{grid-template-columns:1fr 1fr;gap:32px;}
  .section{padding:72px 0;}
}
@media (max-width:768px){
  .value-side{grid-template-columns:1fr;}
  .review-grid{grid-template-columns:1fr;}
  .news-grid{grid-template-columns:1fr;}
  .dl-grid{grid-template-columns:1fr 1fr;}
  .foot-grid{grid-template-columns:1fr;}
}
@media (max-width:576px){
  body{font-size:15px;line-height:1.8;}
  .container{padding:0 18px;}
  .section{padding:56px 0;}
  .dock{padding:8px 10px 8px 14px;gap:10px;}
  .logo-text i{letter-spacing:.1em;}
  .hero{padding:120px 0 48px;}
  .hero-cta .btn-main,.hero-cta .btn-outline{width:100%;}
  .hero-float{left:8px;bottom:-14px;padding:10px 14px;}
  .strip-grid{grid-template-columns:1fr;}
  .strip-item{border-right:0;border-bottom:1px solid var(--line);}
  .strip-item:last-child{border-bottom:0;}
  .spec-row{grid-template-columns:1fr;gap:2px;padding:14px 18px;}
  .spec-row .v{padding:0 0 4px;}
  .dl-grid{grid-template-columns:1fr;}
  .cta-band{padding:26px;}
  .footer{margin-top:64px;}
}

/* roulang page: article */
:root{
  --brand-50:#F2F9FB;
  --brand-100:#E3F2F7;
  --brand-600:#0E7292;
  --brand-700:#0B5C7A;
  --accent:#FF7A2F;
  --accent-dark:#E8651D;
  --accent-soft:#FFEDE2;
  --green:#1F9D6B;
  --green-soft:#E6F6EF;
  --bg:#F7FAFC;
  --card:#FFFFFF;
  --line:#E6EEF3;
  --text:#0F2231;
  --muted:#4A6272;
  --muted-2:#8698A6;
  --r-lg:18px;
  --r-md:14px;
  --r-sm:10px;
  --sh-sm:0 2px 6px rgba(11,92,122,.06);
  --sh-md:0 10px 30px rgba(11,92,122,.08);
  --sh-lg:0 18px 50px rgba(11,92,122,.12);
  --t:180ms ease;

  --bs-primary:#0E7292;
  --bs-primary-rgb:14,114,146;
  --bs-link-color:#0E7292;
  --bs-link-hover-color:#0B5C7A;
  --bs-body-color:#0F2231;
  --bs-body-bg:#F7FAFC;
  --bs-border-color:#E6EEF3;
  --bs-border-radius:12px;
  --bs-body-font-family:"PingFang SC","HarmonyOS Sans","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  --bs-font-sans-serif:var(--bs-body-font-family);
}
*{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  padding-top:104px;
  background:var(--bg);
  color:var(--text);
  font-family:var(--bs-body-font-family);
  font-size:16px;
  line-height:1.75;
  letter-spacing:0;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:var(--brand-600);text-decoration:none;transition:color var(--t);}
a:hover{color:var(--brand-700);}
button{font-family:inherit;}
ul,ol{padding-left:1.2em;}
h1,h2,h3,h4{font-weight:700;letter-spacing:-.01em;color:var(--brand-700);margin:0;}
p{margin:0 0 18px;}
:focus-visible{outline:2px solid var(--brand-600);outline-offset:3px;}
.container{width:100%;max-width:1180px;margin:0 auto;padding:0 24px;}

/* ===== 浮动 Dock 导航 ===== */
.dock-header{position:fixed;top:16px;left:0;right:0;z-index:1030;padding:0 24px;}
.dock{
  max-width:1040px;margin:0 auto;display:flex;align-items:center;gap:18px;
  padding:10px 14px 10px 18px;border-radius:999px;
  background:rgba(255,255,255,.94);
  -webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);
  border:1px solid var(--line);box-shadow:var(--sh-md);
  transition:padding var(--t),box-shadow var(--t);
}
.dock-header.is-scrolled .dock{padding:6px 12px 6px 16px;box-shadow:var(--sh-lg);}
.dock-logo{display:flex;align-items:center;gap:10px;flex:0 0 auto;}
.logo-mark{
  width:38px;height:38px;border-radius:12px;flex:0 0 auto;
  display:flex;align-items:center;justify-content:center;
  background:linear-gradient(140deg,var(--brand-600),var(--brand-700));
  color:#fff;font-weight:700;font-size:18px;box-shadow:var(--sh-sm);
}
.logo-text{display:flex;flex-direction:column;line-height:1.15;}
.logo-text b{font-size:15px;color:var(--brand-700);font-weight:700;}
.logo-text i{font-style:normal;font-size:11.5px;color:var(--muted-2);letter-spacing:.08em;}
.dock-nav{display:flex;align-items:center;gap:4px;margin-left:6px;}
.dock-link{
  position:relative;padding:8px 14px;border-radius:999px;
  font-size:14.5px;font-weight:500;color:var(--muted);white-space:nowrap;
  transition:color var(--t),background var(--t);
}
.dock-link::after{
  content:"";position:absolute;left:50%;bottom:3px;width:0;height:2px;
  background:var(--brand-600);border-radius:2px;transform:translateX(-50%);
  transition:width var(--t);
}
.dock-link:hover{color:var(--brand-700);}
.dock-link:hover::after{width:18px;}
.dock-link.active{background:var(--brand-100);color:var(--brand-700);font-weight:600;}
.dock-link.active::after{width:0;}
.dock-actions{margin-left:auto;display:flex;align-items:center;gap:10px;}
.dock-search{
  display:flex;align-items:center;gap:8px;background:var(--brand-50);
  border:1px solid var(--line);border-radius:10px;padding:7px 12px;
  transition:border-color var(--t),box-shadow var(--t);
}
.dock-search i{color:var(--muted-2);font-size:13px;}
.dock-search input{
  border:0;background:transparent;outline:none;width:120px;
  font-size:13.5px;color:var(--text);
}
.dock-search input::placeholder{color:var(--muted-2);font-size:13px;}
.dock-search:focus-within{border-color:var(--brand-600);box-shadow:0 0 0 3px rgba(14,114,146,.12);}
.btn-main{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:11px 22px;border-radius:999px;border:1px solid transparent;
  background:var(--accent);color:#fff;font-size:14.5px;font-weight:600;
  cursor:pointer;transition:background var(--t),transform var(--t),box-shadow var(--t);
  box-shadow:0 6px 16px rgba(255,122,47,.24);
}
.btn-main:hover{background:var(--accent-dark);color:#fff;transform:translateY(-2px);box-shadow:0 10px 22px rgba(255,122,47,.3);}
.btn-main:active{transform:translateY(0);}
.btn-outline{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:11px 22px;border-radius:999px;background:#fff;
  border:1px solid var(--brand-600);color:var(--brand-700);
  font-size:14.5px;font-weight:600;cursor:pointer;
  transition:background var(--t),transform var(--t),box-shadow var(--t);
}
.btn-outline:hover{background:var(--brand-50);color:var(--brand-700);transform:translateY(-2px);box-shadow:var(--sh-sm);}
.btn-ghost{
  display:inline-flex;align-items:center;gap:6px;color:var(--brand-600);
  font-size:14.5px;font-weight:600;padding:6px 2px;
}
.btn-ghost i{transition:transform var(--t);}
.btn-ghost:hover i{transform:translateX(4px);}
.dock-toggle{
  display:none;width:40px;height:40px;border-radius:12px;border:1px solid var(--line);
  background:#fff;color:var(--brand-700);align-items:center;justify-content:center;
  font-size:16px;cursor:pointer;
}
.dock-drawer{
  display:none;max-width:1040px;margin:10px auto 0;padding:16px;
  background:#fff;border:1px solid var(--line);border-radius:20px;box-shadow:var(--sh-lg);
}
.dock-drawer.is-open{display:block;}
.drawer-link{
  display:block;padding:12px 14px;border-radius:12px;color:var(--muted);
  font-size:15px;font-weight:500;
}
.drawer-link:hover,.drawer-link.active{background:var(--brand-50);color:var(--brand-700);}
.dock-drawer .btn-main{width:100%;margin-top:10px;}

/* ===== 面包屑与文章头部 ===== */
.crumb-bar{padding:8px 0 26px;}
.crumb{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px;list-style:none;
  margin:0;padding:0;font-size:13px;color:var(--muted-2);
}
.crumb li{display:flex;align-items:center;gap:8px;}
.crumb li+li::before{content:"/";color:var(--line);}
.crumb a{color:var(--muted-2);}
.crumb a:hover{color:var(--brand-600);}
.crumb .current{color:var(--muted);font-weight:500;}

.article-head{max-width:1000px;}
.badge-row{display:flex;flex-wrap:wrap;align-items:center;gap:10px;margin-bottom:16px;}
.pill{
  display:inline-flex;align-items:center;gap:6px;padding:5px 13px;border-radius:999px;
  font-size:12.5px;font-weight:600;background:var(--brand-100);color:var(--brand-700);
}
.pill.orange{background:var(--accent-soft);color:#B94E12;}
.pill.green{background:var(--green-soft);color:#14764F;}
.article-head h1{
  font-size:clamp(28px,3.8vw,42px);line-height:1.28;color:var(--brand-700);
  margin:0 0 18px;
}
.article-meta{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px 20px;
  font-size:13.5px;color:var(--muted-2);margin-bottom:28px;
}
.article-meta span{display:inline-flex;align-items:center;gap:7px;}
.article-meta i{color:var(--brand-600);font-size:12.5px;}
.cover-figure{
  aspect-ratio:16/9;border-radius:var(--r-lg);overflow:hidden;
  border:1px solid var(--line);box-shadow:var(--sh-md);margin-bottom:44px;
}
.cover-figure img{width:100%;height:100%;object-fit:cover;}

/* ===== 文章布局 ===== */
.article-layout{display:grid;grid-template-columns:minmax(0,1fr);gap:44px;align-items:start;}
@media(min-width:1200px){
  .article-layout{grid-template-columns:minmax(0,760px) 300px;justify-content:space-between;}
}
.main-col{min-width:0;}

.article-body{
  font-size:16.5px;line-height:1.9;color:var(--text);
  background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);
  padding:36px;box-shadow:var(--sh-sm);
}
.article-body p{margin:0 0 18px;text-indent:0;}
.article-body h2{
  font-size:26px;line-height:1.4;margin:38px 0 16px;padding-left:14px;
  border-left:4px solid var(--brand-600);
}
.article-body h3{
  font-size:20px;line-height:1.5;margin:28px 0 12px;color:var(--brand-700);
  position:relative;padding-bottom:8px;
}
.article-body h3::after{
  content:"";position:absolute;left:0;bottom:0;width:40px;height:3px;
  border-radius:3px;background:var(--accent);
}
.article-body h2:first-child,.article-body h3:first-child{margin-top:0;}
.article-body ul,.article-body ol{margin:0 0 18px;line-height:1.8;}
.article-body li{margin-bottom:8px;}
.article-body strong{color:var(--brand-700);}
.article-body blockquote{
  margin:22px 0;padding:16px 20px;border-left:4px solid var(--brand-600);
  background:var(--brand-50);border-radius:0 12px 12px 0;color:var(--muted);
}
.article-body blockquote p:last-child{margin-bottom:0;}
.article-body img{border-radius:14px;box-shadow:var(--sh-sm);margin:20px auto;}
.article-body figure{margin:22px 0;}
.article-body figcaption{text-align:center;font-size:13px;color:var(--muted-2);margin-top:8px;}
.article-body table{
  width:100%;border-collapse:collapse;margin:20px 0;font-size:15px;
  display:block;overflow-x:auto;
}
.article-body th{
  background:var(--brand-50);color:var(--brand-700);font-weight:600;
  text-align:left;padding:12px 14px;border-bottom:1px solid var(--line);
}
.article-body td{padding:12px 14px;border-bottom:1px solid var(--line);}
.article-body a{border-bottom:1px solid rgba(14,114,146,.3);}
.article-body a:hover{border-bottom-color:var(--brand-600);}

.empty-state{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);
  padding:56px 32px;text-align:center;box-shadow:var(--sh-sm);
}
.empty-icon{
  width:64px;height:64px;border-radius:20px;margin:0 auto 18px;
  display:flex;align-items:center;justify-content:center;
  background:var(--brand-50);color:var(--brand-600);font-size:24px;
}
.empty-state h2{font-size:22px;margin-bottom:10px;}
.empty-state p{color:var(--muted);max-width:460px;margin:0 auto 22px;}

/* ===== 标签与返回 ===== */
.article-foot{
  margin-top:28px;padding:22px 24px;background:#fff;border:1px solid var(--line);
  border-radius:var(--r-lg);box-shadow:var(--sh-sm);
  display:flex;flex-wrap:wrap;align-items:center;gap:14px 18px;justify-content:space-between;
}
.tag-list{display:flex;flex-wrap:wrap;gap:8px;}
.tag-pill{
  display:inline-flex;align-items:center;padding:6px 14px;border-radius:999px;
  background:var(--brand-50);border:1px solid var(--line);
  font-size:13px;color:var(--muted);transition:all var(--t);
}
.tag-pill:hover{background:var(--brand-100);color:var(--brand-700);border-color:var(--brand-100);}

/* ===== 侧栏 ===== */
.article-aside{display:none;}
@media(min-width:1200px){
  .article-aside{display:block;position:sticky;top:112px;}
}
.side-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);
  padding:20px;box-shadow:var(--sh-sm);margin-bottom:20px;
}
.side-card h3{
  font-size:15px;color:var(--brand-700);margin-bottom:14px;
  display:flex;align-items:center;gap:8px;
}
.side-card h3 i{color:var(--accent);font-size:13px;}
.toc-list{list-style:none;margin:0;padding:0;}
.toc-list li{margin-bottom:2px;}
.toc-list a{
  display:flex;align-items:center;gap:9px;padding:8px 10px;border-radius:10px;
  font-size:14px;color:var(--muted);transition:all var(--t);
}
.toc-list a::before{
  content:"";width:6px;height:6px;border-radius:50%;background:var(--brand-100);
  flex:0 0 auto;transition:background var(--t);
}
.toc-list a:hover{background:var(--brand-50);color:var(--brand-700);}
.toc-list a:hover::before{background:var(--brand-600);}
.side-dl{background:var(--brand-50);border-color:var(--brand-100);}
.side-dl p{font-size:13.5px;color:var(--muted);margin-bottom:14px;}
.qr-box{
  width:120px;height:120px;border-radius:14px;background:#fff;border:1px dashed var(--line);
  margin:0 auto 12px;display:flex;flex-direction:column;align-items:center;justify-content:center;
  gap:6px;color:var(--muted-2);font-size:12px;
}
.qr-box i{font-size:26px;color:var(--brand-100);}
.side-dl .btn-main{width:100%;}

/* ===== 相关推荐 ===== */
.section{padding:76px 0;}
.section-head{margin-bottom:32px;}
.section-head h2{font-size:clamp(24px,2.6vw,30px);margin-bottom:10px;}
.section-head p{color:var(--muted);font-size:15px;margin:0;}
.rel-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px;}
.rel-card{
  display:flex;flex-direction:column;background:#fff;border:1px solid var(--line);
  border-radius:var(--r-lg);overflow:hidden;box-shadow:var(--sh-sm);
  transition:transform var(--t),box-shadow var(--t);height:100%;
}
.rel-card:hover{transform:translateY(-4px);box-shadow:var(--sh-md);}
.rel-thumb{aspect-ratio:16/9;overflow:hidden;background:var(--brand-50);}
.rel-thumb img{width:100%;height:100%;object-fit:cover;transition:transform 320ms ease;}
.rel-card:hover .rel-thumb img{transform:scale(1.04);}
.rel-body{padding:20px;display:flex;flex-direction:column;gap:10px;flex:1;}
.rel-body .pill{align-self:flex-start;}
.rel-body h3{font-size:17px;line-height:1.5;color:var(--brand-700);}
.rel-body p{font-size:13.5px;color:var(--muted);margin:0;}
.rel-foot{
  margin-top:auto;display:flex;align-items:center;justify-content:space-between;
  font-size:12.5px;color:var(--muted-2);
}
.rel-foot i{color:var(--brand-600);}

/* ===== FAQ ===== */
.faq-wrap{max-width:860px;margin:0 auto;}
.faq-item{
  background:#fff;border:1px solid var(--line);border-radius:14px;
  padding:18px 22px;margin-bottom:14px;transition:border-color var(--t),box-shadow var(--t);
}
.faq-item[open]{border-left:4px solid var(--accent);box-shadow:var(--sh-sm);}
.faq-item summary{
  list-style:none;cursor:pointer;display:flex;align-items:center;justify-content:space-between;
  gap:16px;font-size:16px;font-weight:600;color:var(--brand-700);
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary::after{
  content:"+";font-size:20px;font-weight:400;color:var(--brand-600);
  transition:transform var(--t);line-height:1;
}
.faq-item[open] summary::after{transform:rotate(45deg);color:var(--accent);}
.faq-item p{margin:12px 0 0;font-size:14.5px;color:var(--muted);line-height:1.85;}

/* ===== 收尾 CTA ===== */
.cta-band{
  background:var(--brand-50);border:1px solid var(--brand-100);border-radius:22px;
  padding:36px 40px;display:flex;flex-wrap:wrap;align-items:center;
  justify-content:space-between;gap:22px;
  background-image:radial-gradient(rgba(14,114,146,.06) 1px,transparent 1px);
  background-size:14px 14px;
}
.cta-band h2{font-size:24px;margin-bottom:8px;}
.cta-band p{color:var(--muted);font-size:14.5px;margin:0;}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px;}

/* ===== 页脚 ===== */
.footer{
  margin-top:40px;background:#fff;border-top:1px solid var(--line);
  padding:64px 0 24px;
}
.foot-grid{
  display:grid;grid-template-columns:1.5fr 1fr 1fr 1.3fr;gap:40px;
}
.foot-brand p{font-size:14px;color:var(--muted);margin:18px 0 0;max-width:320px;line-height:1.85;}
.foot-col h4{font-size:15px;color:var(--brand-700);margin-bottom:16px;}
.foot-col ul{list-style:none;margin:0;padding:0;}
.foot-col li{margin-bottom:10px;}
.foot-col a{
  position:relative;display:inline-block;font-size:14px;color:var(--muted);
}
.foot-col a::after{
  content:"";position:absolute;left:0;bottom:-2px;width:0;height:1px;
  background:var(--brand-600);transition:width var(--t);
}
.foot-col a:hover{color:var(--brand-600);}
.foot-col a:hover::after{width:100%;}
.foot-sub{display:flex;gap:8px;margin-top:12px;}
.foot-sub input{
  flex:1;min-width:0;height:42px;border-radius:10px;border:1px solid var(--line);
  padding:0 12px;font-size:13.5px;color:var(--text);outline:none;
  transition:border-color var(--t),box-shadow var(--t);
}
.foot-sub input::placeholder{color:var(--muted-2);font-size:13px;}
.foot-sub input:focus{border-color:var(--brand-600);box-shadow:0 0 0 3px rgba(14,114,146,.12);}
.foot-sub button{
  height:42px;padding:0 18px;border:0;border-radius:10px;background:var(--brand-600);
  color:#fff;font-size:14px;font-weight:600;cursor:pointer;transition:background var(--t);
}
.foot-sub button:hover{background:var(--brand-700);}
.foot-tip{font-size:12.5px;color:var(--muted-2);margin-top:10px;}
.foot-bottom{
  margin-top:44px;padding-top:20px;border-top:1px solid var(--line);
  display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;
  font-size:13px;color:var(--muted-2);
}

/* ===== 响应式 ===== */
@media(max-width:1199px){
  .section{padding:64px 0;}
}
@media(max-width:991px){
  .dock-nav,.dock-search{display:none;}
  .dock-toggle{display:inline-flex;}
  .dock-actions .btn-main{display:none;}
  .rel-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .foot-grid{grid-template-columns:1fr 1fr;gap:32px;}
  .article-body{padding:26px;}
}
@media(max-width:767px){
  body{padding-top:92px;font-size:15px;line-height:1.8;}
  .container{padding:0 18px;}
  .dock-header{padding:0 14px;top:12px;}
  .article-body{padding:20px;border-radius:16px;}
  .article-body h2{font-size:22px;}
  .article-body h3{font-size:18px;}
  .section{padding:52px 0;}
  .rel-grid{grid-template-columns:1fr;}
  .cta-band{padding:26px 22px;}
  .cta-actions{width:100%;}
  .cta-actions .btn-main,.cta-actions .btn-outline{flex:1;justify-content:center;}
  .foot-grid{grid-template-columns:1fr;gap:28px;}
  .article-foot{padding:18px;}
}

/* roulang page: category1 */
:root{
  --brand-700:#0B5C7A;
  --brand-600:#0E7292;
  --brand-500:#178AAE;
  --brand-100:#E3F2F7;
  --brand-50:#F2F9FB;
  --accent:#FF7A2F;
  --accent-600:#E9641C;
  --accent-soft:#FFEDE2;
  --safe:#1F9D6B;
  --bg:#F7FAFC;
  --card:#FFFFFF;
  --line:#E6EEF3;
  --text:#0F2231;
  --muted:#4A6272;
  --weak:#8698A6;
  --r-card:18px;
  --r-img:16px;
  --r-btn:12px;
  --sh-sm:0 2px 6px rgba(11,92,122,.06);
  --sh-md:0 10px 30px rgba(11,92,122,.08);
  --sh-lg:0 18px 50px rgba(11,92,122,.12);
  --t:180ms ease;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  padding:106px 0 0;
  background:var(--bg);
  color:var(--text);
  font-family:"PingFang SC","HarmonyOS Sans","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16px;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;height:auto;display:block;border:0;}
a{color:var(--brand-600);text-decoration:none;transition:color var(--t),background-color var(--t),border-color var(--t);}
a:hover{color:var(--brand-700);}
button{font-family:inherit;}
h1,h2,h3,h4{margin:0;font-weight:700;letter-spacing:-.01em;line-height:1.3;color:var(--brand-700);}
p{margin:0;}
ul{margin:0;padding:0;list-style:none;}
.container{width:100%;max-width:1180px;margin:0 auto;padding-left:24px;padding-right:24px;}

/* ---------- 浮动 Dock 导航 ---------- */
.dock-wrap{position:fixed;top:16px;left:0;right:0;z-index:1050;padding:0 16px;transition:top var(--t);}
.dock-wrap.shrink{top:8px;}
.dock{
  max-width:1040px;margin:0 auto;display:flex;align-items:center;gap:14px;
  padding:9px 12px 9px 16px;
  background:rgba(255,255,255,.92);
  backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);
  border:1px solid var(--line);border-radius:999px;box-shadow:var(--sh-md);
  transition:padding var(--t),box-shadow var(--t);
}
.dock-wrap.shrink .dock{padding:6px 10px 6px 14px;box-shadow:var(--sh-lg);}
.dock-logo{display:flex;align-items:center;gap:9px;flex:0 0 auto;color:var(--brand-700);}
.logo-mark{
  width:34px;height:34px;border-radius:11px;
  background:linear-gradient(140deg,var(--brand-500),var(--brand-700));
  color:#fff;font-size:17px;font-weight:700;display:flex;align-items:center;justify-content:center;
  box-shadow:0 4px 10px rgba(14,114,146,.28);
}
.logo-text{display:flex;flex-direction:column;line-height:1.12;}
.logo-text b{font-size:15px;font-weight:700;letter-spacing:.02em;}
.logo-text i{font-style:normal;font-size:11px;color:var(--weak);letter-spacing:.16em;}
.dock-nav{display:flex;align-items:center;gap:4px;margin-left:auto;}
.dock-link{position:relative;padding:8px 14px;border-radius:999px;font-size:14.5px;color:var(--muted);white-space:nowrap;}
.dock-link::after{content:"";position:absolute;left:14px;right:14px;bottom:3px;height:2px;border-radius:2px;background:var(--brand-600);transform:scaleX(0);transition:transform var(--t);}
.dock-link:hover{color:var(--brand-700);}
.dock-link:hover::after{transform:scaleX(1);}
.dock-link.active{background:var(--brand-100);color:var(--brand-700);font-weight:600;}
.dock-link.active::after{transform:scaleX(0);}
.dock-actions{display:flex;align-items:center;gap:10px;}
.dock-burger{
  display:none;width:42px;height:42px;border:1px solid var(--line);background:#fff;border-radius:999px;
  padding:0;flex-direction:column;justify-content:center;align-items:center;gap:4px;cursor:pointer;transition:border-color var(--t),background-color var(--t);
}
.dock-burger:hover{border-color:var(--brand-600);background:var(--brand-50);}
.dock-burger span{display:block;width:17px;height:2px;border-radius:2px;background:var(--brand-700);}
.dock-drawer{
  max-width:1040px;margin:10px auto 0;background:#fff;border:1px solid var(--line);border-radius:20px;
  box-shadow:var(--sh-lg);padding:10px;display:none;
}
.dock-drawer.open{display:block;}
.dock-drawer a{display:block;padding:13px 16px;border-radius:12px;color:var(--muted);font-size:15px;}
.dock-drawer a:hover{background:var(--brand-50);color:var(--brand-700);}
.dock-drawer a.active{background:var(--brand-100);color:var(--brand-700);font-weight:600;}
.dock-drawer .drawer-cta{margin-top:6px;background:var(--accent);color:#fff;text-align:center;font-weight:600;}
.dock-drawer .drawer-cta:hover{background:var(--accent-600);color:#fff;}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border:1px solid transparent;border-radius:var(--r-btn);font-size:15px;font-weight:600;
  padding:12px 24px;cursor:pointer;
  transition:transform var(--t),box-shadow var(--t),background-color var(--t),color var(--t),border-color var(--t);
}
.btn:focus-visible{outline:2px solid var(--brand-600);outline-offset:3px;}
.btn-primary{background:var(--accent);color:#fff;box-shadow:0 8px 20px rgba(255,122,47,.28);}
.btn-primary:hover{background:var(--accent-600);color:#fff;transform:translateY(-2px);box-shadow:0 12px 26px rgba(255,122,47,.34);}
.btn-ghost{background:#fff;color:var(--brand-700);border-color:var(--line);}
.btn-ghost:hover{border-color:var(--brand-600);background:var(--brand-50);color:var(--brand-700);transform:translateY(-2px);box-shadow:var(--sh-sm);}
.btn-pill{border-radius:999px;}
.btn-line{background:transparent;color:var(--brand-600);padding:8px 4px;}
.btn-line:hover{color:var(--brand-700);}
.dock-cta{padding:9px 18px;font-size:14px;border-radius:999px;}
.btn .ico{font-size:15px;line-height:1;}

/* ---------- Hero ---------- */
.hero{position:relative;background:#fff;border-bottom:1px solid var(--line);padding:58px 0 52px;overflow:hidden;}
.hero::before{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:radial-gradient(rgba(14,114,146,.10) 1px,transparent 1px);
  background-size:22px 22px;opacity:.55;
}
.hero .container{position:relative;z-index:1;}
.tag{
  display:inline-flex;align-items:center;gap:6px;padding:5px 14px;border-radius:999px;
  background:var(--brand-100);color:var(--brand-700);font-size:13px;font-weight:600;margin-bottom:18px;
}
.tag.orange{background:var(--accent-soft);color:#C4551A;}
.tag.green{background:#E4F5EE;color:#137A52;}
.hero h1{font-size:clamp(30px,4.4vw,46px);max-width:860px;}
.hero-lead{margin-top:18px;font-size:clamp(16px,1.6vw,18px);color:var(--muted);max-width:760px;line-height:1.8;}
.crumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--weak);margin-top:24px;}
.crumb a{color:var(--muted);}
.crumb a:hover{color:var(--brand-600);}
.crumb .sep{color:#C6D4DC;}
.crumb .cur{color:var(--weak);}

/* ---------- 通用板块 ---------- */
.sec{position:relative;padding:92px 0;}
.sec-white{background:#fff;border-top:1px solid var(--line);border-bottom:1px solid var(--line);}
.sec-head{max-width:720px;margin-bottom:44px;}
.sec-head h2{font-size:clamp(24px,2.9vw,32px);}
.sec-head p{margin-top:12px;color:var(--muted);}
.sec-head.center{margin-left:auto;margin-right:auto;text-align:center;}

/* ---------- 左文右图交替 ---------- */
.split{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center;}
.split + .split{margin-top:86px;}
.split.rev .split-text{order:2;}
.split.rev .split-media{order:1;}
.split-text h2{font-size:clamp(23px,2.8vw,30px);margin-bottom:16px;}
.split-text p{color:var(--muted);margin-bottom:14px;}
.split-text p:last-of-type{margin-bottom:0;}
.split-list{margin-top:18px;display:grid;gap:10px;}
.split-list li{position:relative;padding-left:26px;color:var(--muted);font-size:15px;}
.split-list li::before{
  content:"";position:absolute;left:0;top:9px;width:14px;height:8px;
  border-left:2px solid var(--safe);border-bottom:2px solid var(--safe);
  transform:rotate(-45deg);border-radius:1px;
}
.split-media{position:relative;}
.shot{
  border-radius:var(--r-card);overflow:hidden;border:1px solid var(--line);
  box-shadow:var(--sh-lg);aspect-ratio:16/11;background:#EEF5F8;
}
.shot img{width:100%;height:100%;object-fit:cover;}
.float-card{
  position:absolute;right:-12px;bottom:-18px;background:#fff;border:1px solid var(--line);
  border-radius:14px;box-shadow:var(--sh-md);padding:12px 18px;font-size:13px;color:var(--muted);
}
.float-card b{display:block;color:var(--brand-700);font-size:17px;letter-spacing:.01em;}

/* ---------- 流程 ---------- */
.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:26px;}
.step{
  position:relative;background:#fff;border:1px solid var(--line);border-radius:var(--r-card);
  padding:26px 24px;box-shadow:var(--sh-sm);
  transition:transform var(--t),box-shadow var(--t);
}
.step:hover{transform:translateY(-4px);box-shadow:var(--sh-md);}
.step-num{
  width:38px;height:38px;border-radius:12px;background:var(--brand-100);color:var(--brand-700);
  font-weight:700;display:flex;align-items:center;justify-content:center;margin-bottom:14px;font-size:16px;
}
.step h3{font-size:18px;margin-bottom:8px;}
.step p{color:var(--muted);font-size:14.5px;line-height:1.7;}
@media (min-width:992px){
  .step:not(:last-child)::after{
    content:"";position:absolute;top:44px;right:-18px;width:10px;height:2px;
    background:repeating-linear-gradient(90deg,#BBD3DD 0 3px,transparent 3px 6px);
  }
}

/* ---------- 系统要求 ---------- */
.req-wrap{display:grid;grid-template-columns:1fr 1.15fr;gap:52px;align-items:center;}
.req-card{background:#fff;border:1px solid var(--line);border-radius:var(--r-card);overflow:hidden;box-shadow:var(--sh-md);}
.req-row{display:grid;grid-template-columns:132px 1fr;gap:14px;padding:14px 22px;border-bottom:1px solid var(--line);font-size:14.5px;line-height:1.6;}
.req-row:nth-child(odd){background:#FAFCFD;}
.req-row:last-child{border-bottom:0;}
.req-row b{font-weight:600;color:var(--brand-700);}
.req-row span{color:var(--muted);}

/* ---------- 下载按钮组 ---------- */
.dl-card{
  background:#fff;border:1px solid var(--line);border-radius:22px;padding:34px;
  box-shadow:var(--sh-lg);display:grid;grid-template-columns:1fr 190px;gap:34px;align-items:center;
}
.dl-card h3{font-size:21px;margin-bottom:8px;}
.dl-card .dl-note{color:var(--muted);font-size:14.5px;margin-bottom:20px;}
.dl-list{display:grid;grid-template-columns:repeat(2,1fr);gap:14px;}
.dl-btn{
  display:flex;flex-direction:column;align-items:flex-start;gap:2px;
  padding:14px 20px;border-radius:14px;border:1px solid var(--line);background:#fff;
  color:var(--brand-700);font-size:15px;font-weight:600;text-align:left;cursor:pointer;
  transition:transform var(--t),box-shadow var(--t),border-color var(--t),background-color var(--t),color var(--t);
}
.dl-btn small{font-weight:400;font-size:12.5px;color:var(--weak);}
.dl-btn:hover{border-color:var(--brand-600);background:var(--brand-50);transform:translateY(-3px);box-shadow:var(--sh-sm);color:var(--brand-700);}
.dl-btn.primary{background:var(--accent);border-color:var(--accent);color:#fff;box-shadow:0 10px 24px rgba(255,122,47,.26);}
.dl-btn.primary small{color:rgba(255,255,255,.86);}
.dl-btn.primary:hover{background:var(--accent-600);border-color:var(--accent-600);color:#fff;}
.qr-box{text-align:center;}
.qr{
  width:140px;height:140px;margin:0 auto;border-radius:16px;border:1px dashed #BBD3DD;background:#F7FAFC;
  display:flex;align-items:center;justify-content:center;flex-direction:column;gap:4px;color:var(--weak);font-size:12px;
}
.qr .qr-ico{font-size:26px;color:var(--brand-600);line-height:1;}
.qr-tip{font-size:12px;color:var(--weak);margin-top:10px;line-height:1.6;}

/* ---------- FAQ ---------- */
.faq-item{
  background:#fff;border:1px solid var(--line);border-radius:14px;margin-bottom:14px;overflow:hidden;
  transition:box-shadow var(--t);
}
.faq-item.open{box-shadow:inset 3px 0 0 var(--accent),var(--sh-md);}
.faq-q{
  width:100%;text-align:left;background:none;border:0;padding:20px 56px 20px 22px;
  font-size:16.5px;font-weight:600;color:var(--brand-700);cursor:pointer;position:relative;line-height:1.5;
}
.faq-q:focus-visible{outline:2px solid var(--brand-600);outline-offset:-2px;}
.faq-q::after{
  content:"+";position:absolute;right:22px;top:50%;transform:translateY(-50%);
  font-size:22px;font-weight:400;color:var(--brand-600);transition:transform var(--t);
}
.faq-item.open .faq-q::after{transform:translateY(-50%) rotate(45deg);color:var(--accent);}
.faq-a{max-height:0;overflow:hidden;transition:max-height .3s ease;}
.faq-a p{padding:0 22px 20px;color:var(--muted);font-size:15px;line-height:1.8;}

/* ---------- 收尾 CTA ---------- */
.cta-band{
  position:relative;overflow:hidden;background:var(--brand-50);border:1px solid var(--line);
  border-radius:22px;padding:34px 36px;display:flex;align-items:center;justify-content:space-between;gap:26px;
}
.cta-band::after{
  content:"";position:absolute;right:-40px;bottom:-60px;width:220px;height:220px;border-radius:50%;
  background:radial-gradient(circle,rgba(255,122,47,.14),transparent 68%);
  pointer-events:none;
}
.cta-band h2{font-size:clamp(20px,2.4vw,26px);position:relative;z-index:1;}
.cta-band p{color:var(--muted);margin-top:8px;font-size:15px;position:relative;z-index:1;}
.cta-band .cta-act{position:relative;z-index:1;display:flex;gap:12px;flex-wrap:wrap;}

/* ---------- 页脚 ---------- */
.footer{background:#fff;border-top:1px solid var(--line);padding:64px 0 0;margin-top:12px;}
.foot-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.3fr;gap:40px;}
.foot-brand p{color:var(--muted);font-size:14px;margin-top:14px;max-width:320px;line-height:1.75;}
.foot-col h4{font-size:15px;color:var(--brand-700);margin-bottom:14px;}
.foot-col ul li{margin-bottom:9px;}
.foot-col ul a{position:relative;color:var(--muted);font-size:14px;display:inline-block;}
.foot-col ul a::after{
  content:"";position:absolute;left:0;bottom:-2px;width:100%;height:1px;background:var(--brand-600);
  transform:scaleX(0);transform-origin:left;transition:transform var(--t);
}
.foot-col ul a:hover{color:var(--brand-600);}
.foot-col ul a:hover::after{transform:scaleX(1);}
.foot-sub{display:flex;gap:8px;margin-top:12px;}
.foot-sub input{
  flex:1;min-width:0;border:1px solid var(--line);border-radius:10px;padding:10px 12px;font-size:13px;
  font-family:inherit;color:var(--text);background:#FBFDFE;transition:border-color var(--t),box-shadow var(--t);
}
.foot-sub input::placeholder{color:var(--weak);font-size:13px;}
.foot-sub input:focus{outline:none;border-color:var(--brand-600);box-shadow:0 0 0 3px rgba(14,114,146,.12);}
.foot-sub button{
  border:0;background:var(--brand-600);color:#fff;border-radius:10px;padding:10px 16px;font-size:13px;
  font-weight:600;cursor:pointer;transition:background-color var(--t);
}
.foot-sub button:hover{background:var(--brand-700);}
.foot-tip{font-size:12px;color:var(--weak);margin-top:9px;}
.foot-bottom{
  display:flex;justify-content:space-between;flex-wrap:wrap;gap:10px;border-top:1px solid var(--line);
  margin-top:52px;padding:22px 0;font-size:13px;color:var(--weak);
}

/* ---------- 响应式 ---------- */
@media (max-width:1199.98px){
  .dock-nav{gap:2px;}
  .dock-link{padding:8px 11px;font-size:14px;}
}
@media (max-width:991.98px){
  body{padding-top:96px;}
  .dock-nav{display:none;}
  .dock-burger{display:flex;}
  .dock-cta{display:none;}
  .sec{padding:72px 0;}
  .split{grid-template-columns:1fr;gap:34px;}
  .split + .split{margin-top:64px;}
  .split.rev .split-text,.split.rev .split-media{order:0;}
  .steps{grid-template-columns:1fr;}
  .req-wrap{grid-template-columns:1fr;gap:30px;}
  .dl-card{grid-template-columns:1fr;padding:28px;}
  .foot-grid{grid-template-columns:1fr 1fr;gap:32px;}
  .cta-band{flex-direction:column;align-items:flex-start;padding:28px;}
}
@media (max-width:767.98px){
  body{font-size:15px;line-height:1.8;}
  .hero{padding:42px 0 40px;}
  .sec{padding:56px 0;}
  .dl-list{grid-template-columns:1fr;}
  .float-card{right:8px;bottom:-14px;}
}
@media (max-width:575.98px){
  body{padding-top:88px;}
  .container{padding-left:18px;padding-right:18px;}
  .dock{padding:7px 8px 7px 12px;gap:8px;}
  .logo-mark{width:30px;height:30px;font-size:15px;border-radius:10px;}
  .logo-text b{font-size:13.5px;}
  .logo-text i{font-size:10px;}
  .dl-card{padding:20px;}
  .qr{width:120px;height:120px;}
  .foot-grid{grid-template-columns:1fr;gap:28px;}
  .foot-bottom{flex-direction:column;}
  .cta-band{padding:22px;}
}

/* roulang page: category2 */
:root{
  --brand:#0E7292;
  --brand-700:#0B5C7A;
  --brand-500:#1A8CAF;
  --brand-100:#E3F2F7;
  --brand-50:#F2F9FB;
  --accent:#FF7A2F;
  --accent-deep:#F06A1E;
  --accent-soft:#FFEDE2;
  --ok:#1F9D6B;
  --ok-soft:#E6F6EF;
  --bg:#F7FAFC;
  --card:#FFFFFF;
  --line:#E6EEF3;
  --text:#0F2231;
  --muted:#4A6272;
  --weak:#8698A6;
  --r-card:18px;
  --r-img:16px;
  --r-btn:12px;
  --r-pill:999px;
  --r-input:10px;
  --sh-sm:0 2px 6px rgba(11,92,122,.06);
  --sh-md:0 10px 30px rgba(11,92,122,.08);
  --sh-lg:0 18px 50px rgba(11,92,122,.12);
  --bs-primary:#0E7292;
  --bs-primary-rgb:14,114,146;
  --bs-body-color:#0F2231;
  --bs-body-bg:#F7FAFC;
  --bs-border-color:#E6EEF3;
  --bs-border-radius:12px;
  --bs-link-color:#0E7292;
  --bs-link-hover-color:#0B5C7A;
  --bs-font-sans-serif:"PingFang SC","HarmonyOS Sans","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  padding-top:104px;
  background:var(--bg);
  color:var(--text);
  font-family:"PingFang SC","HarmonyOS Sans","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  font-size:16px;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:var(--brand);text-decoration:none;transition:color .18s ease;}
a:hover{color:var(--brand-700);}
h1,h2,h3,h4{font-weight:700;letter-spacing:-.01em;color:var(--text);margin:0;}
p{margin:0;}
ul{margin:0;padding:0;list-style:none;}
button{font-family:inherit;}
a:focus-visible,button:focus-visible,input:focus-visible{outline:2px solid var(--brand);outline-offset:2px;}
.container,
.container-fluid{
  width:100%;
  max-width:1180px !important;
  margin-left:auto;
  margin-right:auto;
  padding-left:24px;
  padding-right:24px;
}
.section{padding:96px 0;}
.section-sm{padding:64px 0;}
.sec-head{max-width:720px;margin-bottom:40px;}
.sec-tag{
  display:inline-flex;align-items:center;gap:6px;
  background:var(--brand-100);color:var(--brand-700);
  font-size:13px;font-weight:600;
  padding:5px 14px;border-radius:var(--r-pill);
  margin-bottom:14px;
}
.sec-tag.is-orange{background:var(--accent-soft);color:#B8500F;}
.sec-tag.is-green{background:var(--ok-soft);color:#12724D;}
.sec-head h2{font-size:clamp(24px,2.6vw,32px);line-height:1.3;}
.sec-head p{color:var(--muted);font-size:15.5px;margin-top:12px;}

/* ===== 浮动 Dock 导航 ===== */
.dock-wrap{
  position:fixed;top:18px;left:0;right:0;z-index:1035;
  padding:0 16px;
  pointer-events:none;
}
.dock{
  pointer-events:auto;
  max-width:1040px;margin:0 auto;
  display:flex;align-items:center;gap:14px;
  padding:10px 14px 10px 16px;
  background:rgba(255,255,255,.92);
  -webkit-backdrop-filter:blur(8px);
  backdrop-filter:blur(8px);
  border:1px solid var(--line);
  border-radius:var(--r-pill);
  box-shadow:var(--sh-md);
  transition:padding .22s ease,box-shadow .22s ease,background .22s ease;
}
.dock.shrink{
  padding:6px 12px 6px 14px;
  box-shadow:var(--sh-lg);
  background:rgba(255,255,255,.96);
}
.dock-logo{display:flex;align-items:center;gap:10px;flex:0 0 auto;}
.logo-mark{
  width:36px;height:36px;border-radius:12px;
  display:grid;place-items:center;
  background:linear-gradient(135deg,var(--brand-500),var(--brand-700));
  color:#fff;font-weight:700;font-size:18px;line-height:1;
  box-shadow:0 4px 12px rgba(11,92,122,.22);
}
.logo-text b{display:block;font-size:15px;line-height:1.15;color:var(--text);font-weight:700;}
.logo-text i{display:block;font-size:10.5px;font-style:normal;color:var(--weak);letter-spacing:.14em;line-height:1.4;}
.dock-nav{display:flex;align-items:center;gap:4px;margin-left:auto;}
.dock-link{
  position:relative;
  padding:8px 15px;border-radius:var(--r-pill);
  font-size:14.5px;color:var(--muted);
  transition:color .18s ease,background .18s ease;
  white-space:nowrap;
}
.dock-link::after{
  content:"";position:absolute;left:15px;right:15px;bottom:2px;height:2px;
  background:var(--accent);border-radius:2px;
  transform:scaleX(0);transform-origin:left center;
  transition:transform .2s ease;
}
.dock-link:hover{color:var(--brand);}
.dock-link:hover::after{transform:scaleX(1);}
.dock-link.active{background:var(--brand-100);color:var(--brand-700);font-weight:600;}
.dock-link.active::after{display:none;}
.dock-actions{display:flex;align-items:center;gap:8px;flex:0 0 auto;}
.dock-search{
  display:flex;align-items:center;gap:8px;
  background:var(--brand-50);
  border:1px solid var(--line);
  border-radius:var(--r-pill);
  padding:7px 14px;
  transition:border-color .18s ease,box-shadow .18s ease,background .18s ease;
}
.dock-search i{color:var(--weak);font-size:13px;}
.dock-search input{
  border:0;background:transparent;outline:none;
  font-size:13.5px;color:var(--text);width:132px;
}
.dock-search input::placeholder{color:var(--weak);}
.dock-search:focus-within{
  background:#fff;border-color:var(--brand);
  box-shadow:0 0 0 3px rgba(14,114,146,.12);
}
.btn-dock{
  display:inline-flex;align-items:center;gap:6px;
  background:var(--accent);color:#fff;
  border:0;border-radius:var(--r-pill);
  padding:9px 18px;font-size:14px;font-weight:600;
  transition:background .18s ease,transform .18s ease,box-shadow .18s ease;
}
.btn-dock:hover{background:var(--accent-deep);color:#fff;transform:translateY(-1px);box-shadow:0 8px 18px rgba(255,122,47,.28);}
.dock-burger{
  display:none;
  width:40px;height:40px;border-radius:50%;
  border:1px solid var(--line);background:#fff;color:var(--brand-700);
  align-items:center;justify-content:center;font-size:16px;
}
.dock-drawer{
  display:none;
  max-width:1040px;margin:10px auto 0;
  background:rgba(255,255,255,.98);
  border:1px solid var(--line);
  border-radius:22px;
  box-shadow:var(--sh-lg);
  padding:16px;
}
.dock-drawer.open{display:block;}
.dock-drawer a{
  display:block;padding:12px 14px;border-radius:12px;
  color:var(--muted);font-size:15px;
}
.dock-drawer a.active{background:var(--brand-100);color:var(--brand-700);font-weight:600;}
.dock-drawer a:hover{color:var(--brand);background:var(--brand-50);}
.dock-drawer .drawer-search{
  display:flex;align-items:center;gap:8px;
  border:1px solid var(--line);border-radius:var(--r-input);
  padding:10px 12px;margin:6px 0 12px;background:var(--brand-50);
}
.dock-drawer .drawer-search input{border:0;background:transparent;outline:none;width:100%;font-size:14px;}
.dock-drawer .drawer-cta{
  display:block;text-align:center;background:var(--accent);color:#fff;
  border-radius:var(--r-pill);padding:12px;font-weight:600;font-size:15px;
}
.dock-drawer .drawer-cta:hover{background:var(--accent-deep);color:#fff;}

/* ===== 面包屑 ===== */
.crumbs{
  display:flex;align-items:center;gap:8px;flex-wrap:wrap;
  font-size:13px;color:var(--weak);margin-bottom:20px;
}
.crumbs a{color:var(--muted);}
.crumbs a:hover{color:var(--brand);}
.crumbs .sep{color:#C6D5DE;}
.crumbs .current{color:var(--weak);}

/* ===== Hero ===== */
.hero-cat{
  position:relative;
  padding:44px 0 0;
  background:
    radial-gradient(circle at 12% 0%,rgba(14,114,146,.07),transparent 46%),
    radial-gradient(rgba(14,114,146,.09) 1px,transparent 1px);
  background-size:auto,18px 18px;
}
.hero-cat h1{
  font-size:clamp(27px,3.7vw,44px);
  line-height:1.22;
  max-width:880px;
}
.hero-lead{
  max-width:760px;
  color:var(--muted);
  font-size:16.5px;
  margin-top:18px;
}
.hero-banner{
  position:relative;
  margin-top:36px;
  aspect-ratio:21/9;
  border-radius:20px;
  overflow:hidden;
  border:1px solid var(--line);
  box-shadow:var(--sh-md);
  background:var(--brand-50);
}
.hero-banner img{width:100%;height:100%;object-fit:cover;}
.hero-banner .banner-badge{
  position:absolute;left:22px;bottom:22px;
  background:rgba(255,255,255,.94);
  border:1px solid var(--line);
  border-radius:14px;
  padding:12px 18px;
  box-shadow:var(--sh-sm);
  max-width:min(420px,80%);
}
.banner-badge b{display:block;font-size:14.5px;color:var(--brand-700);}
.banner-badge span{display:block;font-size:13px;color:var(--muted);margin-top:3px;}

/* ===== 事实条 ===== */
.facts{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:0;
  margin-top:26px;
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--r-card);
  box-shadow:var(--sh-sm);
  overflow:hidden;
}
.fact{
  padding:20px 22px;
  border-right:1px solid var(--line);
}
.fact:last-child{border-right:0;}
.fact .f-label{font-size:12.5px;color:var(--weak);letter-spacing:.04em;}
.fact .f-value{font-size:16px;font-weight:700;color:var(--brand-700);margin-top:6px;}

/* ===== 功能卡片栅格 ===== */
.card-grid{
  display:grid;
  grid-template-columns:repeat(2,1fr);
  gap:22px;
}
.f-card{
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  padding:26px;
  box-shadow:var(--sh-sm);
  transition:transform .18s ease,box-shadow .18s ease,border-color .18s ease;
  height:100%;
}
.f-card:hover{transform:translateY(-4px);box-shadow:var(--sh-md);border-color:#D6E6EE;}
.f-ico{
  width:48px;height:48px;border-radius:14px;
  display:grid;place-items:center;
  background:var(--brand-100);color:var(--brand-700);
  font-size:19px;margin-bottom:16px;
}
.f-card:nth-child(3n+2) .f-ico{background:var(--accent-soft);color:#B8500F;}
.f-card:nth-child(3n+3) .f-ico{background:var(--ok-soft);color:#12724D;}
.f-card h3{font-size:18px;line-height:1.4;}
.f-card p{color:var(--muted);font-size:14.5px;margin-top:10px;}
.f-meta{
  display:flex;align-items:center;gap:8px;flex-wrap:wrap;
  margin-top:16px;padding-top:14px;border-top:1px dashed var(--line);
}
.chip{
  display:inline-flex;align-items:center;
  font-size:12.5px;color:var(--brand-700);
  background:var(--brand-50);
  border:1px solid var(--brand-100);
  border-radius:var(--r-pill);
  padding:3px 11px;
}
.chip.orange{background:var(--accent-soft);border-color:#FFDFCB;color:#B8500F;}
.chip.green{background:var(--ok-soft);border-color:#CFEDE0;color:#12724D;}

/* ===== 分组清单 ===== */
.guide-wrap{
  display:grid;
  grid-template-columns:repeat(2,1fr);
  gap:26px;
}
.guide-block{
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--r-card);
  padding:26px 26px 10px;
  box-shadow:var(--sh-sm);
}
.guide-block h3{
  font-size:17.5px;
  display:flex;align-items:center;gap:10px;
  padding-bottom:16px;
  border-bottom:1px solid var(--line);
}
.guide-block h3 .num{
  width:26px;height:26px;border-radius:9px;
  display:grid;place-items:center;
  background:var(--brand-100);color:var(--brand-700);
  font-size:13px;font-weight:700;
}
.guide-list li{
  display:flex;gap:16px;
  padding:15px 0;
  border-bottom:1px solid var(--line);
}
.guide-list li:last-child{border-bottom:0;}
.guide-list .g-name{
  flex:0 0 132px;
  font-size:14.5px;font-weight:600;color:var(--text);
}
.guide-list .g-desc{
  font-size:14px;color:var(--muted);
}

/* ===== FAQ ===== */
.faq-wrap{max-width:860px;}
.accordion-item{
  border:1px solid var(--line) !important;
  border-radius:14px !important;
  overflow:hidden;
  margin-bottom:14px;
  background:#fff;
  box-shadow:var(--sh-sm);
}
.accordion-button{
  font-size:16px;font-weight:600;color:var(--text);
  background:#fff;
  padding:20px 22px;
  border:0;
  box-shadow:none !important;
  border-left:4px solid transparent;
  transition:background .18s ease,color .18s ease,border-color .18s ease;
}
.accordion-button:not(.collapsed){
  background:var(--brand-50);
  color:var(--brand-700);
  border-left-color:var(--accent);
}
.accordion-button::after{
  background-image:none !important;
  content:"+";
  font-family:inherit;
  font-size:22px;
  font-weight:400;
  line-height:1;
  color:var(--brand);
  width:auto;height:auto;
  display:grid;place-items:center;
  transition:transform .22s ease,color .22s ease;
}
.accordion-button:not(.collapsed)::after{transform:rotate(45deg);color:var(--accent);}
.accordion-body{
  padding:6px 24px 22px 26px;
  color:var(--muted);
  font-size:14.8px;
}

/* ===== CTA 带 ===== */
.cta-band{
  background:var(--brand-50);
  border:1px solid var(--brand-100);
  border-radius:22px;
  padding:40px 42px;
  display:flex;align-items:center;justify-content:space-between;gap:28px;
  flex-wrap:wrap;
  position:relative;
  overflow:hidden;
}
.cta-band::after{
  content:"";
  position:absolute;right:-40px;bottom:-60px;
  width:220px;height:220px;border-radius:50%;
  background:rgba(255,122,47,.10);
}
.cta-band h2{font-size:clamp(21px,2.3vw,28px);position:relative;z-index:1;}
.cta-band p{color:var(--muted);font-size:15px;margin-top:8px;max-width:620px;position:relative;z-index:1;}
.cta-actions{display:flex;gap:12px;flex-wrap:wrap;position:relative;z-index:1;}
.btn-main{
  display:inline-flex;align-items:center;gap:8px;
  background:var(--accent);color:#fff;
  border-radius:var(--r-pill);
  padding:13px 28px;font-size:15px;font-weight:600;
  border:0;
  transition:background .18s ease,transform .18s ease,box-shadow .18s ease;
}
.btn-main:hover{background:var(--accent-deep);color:#fff;transform:translateY(-2px);box-shadow:0 12px 26px rgba(255,122,47,.28);}
.btn-ghost{
  display:inline-flex;align-items:center;gap:8px;
  background:#fff;color:var(--brand-700);
  border:1px solid var(--brand-100);
  border-radius:var(--r-pill);
  padding:13px 26px;font-size:15px;font-weight:600;
  transition:background .18s ease,color .18s ease,transform .18s ease,border-color .18s ease;
}
.btn-ghost:hover{background:var(--brand-100);color:var(--brand-700);transform:translateY(-2px);border-color:var(--brand);}
.btn-text{
  display:inline-flex;align-items:center;gap:6px;
  color:var(--brand);font-weight:600;font-size:14.5px;
  background:none;border:0;padding:0;
}
.btn-text i{transition:transform .18s ease;}
.btn-text:hover i{transform:translateX(3px);}

/* ===== 页脚 ===== */
.footer{
  margin-top:80px;
  background:#fff;
  border-top:1px solid var(--line);
  padding-top:56px;
}
.foot-grid{
  display:grid;
  grid-template-columns:1.7fr 1fr 1.2fr 1.5fr;
  gap:36px;
  padding-bottom:40px;
}
.foot-brand p{color:var(--muted);font-size:14px;margin-top:16px;line-height:1.85;max-width:340px;}
.foot-col h4{font-size:15px;margin-bottom:16px;}
.foot-col li{margin-bottom:11px;}
.foot-col a{
  display:inline-block;
  color:var(--muted);font-size:14px;
  background-image:linear-gradient(var(--brand),var(--brand));
  background-repeat:no-repeat;
  background-position:left 100%;
  background-size:0% 1.5px;
  transition:color .2s ease,background-size .25s ease;
}
.foot-col a:hover{color:var(--brand);background-size:100% 1.5px;}
.foot-sub{display:flex;gap:8px;margin-top:12px;}
.foot-sub input{
  flex:1;min-width:0;
  border:1px solid var(--line);
  border-radius:var(--r-input);
  padding:11px 13px;font-size:14px;color:var(--text);
  background:var(--brand-50);
  outline:none;
  transition:border-color .18s ease,box-shadow .18s ease,background .18s ease;
}
.foot-sub input::placeholder{color:var(--weak);font-size:13px;}
.foot-sub input:focus{background:#fff;border-color:var(--brand);box-shadow:0 0 0 3px rgba(14,114,146,.12);}
.foot-sub button{
  border:0;border-radius:var(--r-input);
  background:var(--brand);color:#fff;
  padding:0 18px;font-size:14px;font-weight:600;
  transition:background .18s ease;
}
.foot-sub button:hover{background:var(--brand-700);}
.foot-tip{font-size:12.5px;color:var(--weak);margin-top:10px;}
.foot-bottom{
  border-top:1px solid var(--line);
  padding:18px 0 22px;
  display:flex;align-items:center;justify-content:space-between;
  gap:10px;flex-wrap:wrap;
  font-size:13px;color:var(--weak);
}

/* ===== 响应式 ===== */
@media (max-width:1199.98px){
  .dock-search input{width:104px;}
  .foot-grid{grid-template-columns:1.6fr 1fr 1.2fr;gap:28px;}
  .foot-col:last-child{grid-column:1 / -1;}
}
@media (max-width:991.98px){
  body{padding-top:92px;}
  .section{padding:72px 0;}
  .dock-nav{display:none;}
  .dock-search{display:none;}
  .dock-burger{display:inline-flex;margin-left:auto;}
  .dock-actions{margin-left:0;}
  .facts{grid-template-columns:repeat(2,1fr);}
  .fact:nth-child(2){border-right:0;}
  .fact:nth-child(1),.fact:nth-child(2){border-bottom:1px solid var(--line);}
  .guide-wrap{grid-template-columns:1fr;}
  .hero-banner{aspect-ratio:16/9;}
}
@media (max-width:767.98px){
  body{padding-top:86px;font-size:15px;line-height:1.8;}
  .container,.container-fluid{padding-left:18px;padding-right:18px;}
  .section{padding:56px 0;}
  .section-sm{padding:44px 0;}
  .hero-cat{padding-top:32px;}
  .hero-banner{aspect-ratio:4/3;border-radius:16px;}
  .hero-banner .banner-badge{left:14px;bottom:14px;padding:9px 13px;}
  .banner-badge b{font-size:13px;}
  .banner-badge span{font-size:12px;}
  .card-grid{grid-template-columns:1fr;gap:16px;}
  .f-card{padding:20px;}
  .guide-block{padding:20px 20px 6px;}
  .guide-list li{flex-direction:column;gap:4px;}
  .guide-list .g-name{flex:none;}
  .facts{margin-top:20px;}
  .fact{padding:16px;}
  .cta-band{padding:26px 22px;border-radius:18px;}
  .cta-actions{width:100%;}
  .cta-actions .btn-main,.cta-actions .btn-ghost{flex:1 1 auto;justify-content:center;}
  .foot-grid{grid-template-columns:1fr;gap:26px;}
  .foot-bottom{flex-direction:column;align-items:flex-start;}
  .accordion-button{padding:16px 16px;font-size:15px;}
  .accordion-body{padding:4px 18px 18px 20px;}
}
@media (max-width:400px){
  .logo-text i{letter-spacing:.08em;}
  .btn-dock{padding:8px 14px;font-size:13px;}
}