/* roulang page: index */
:root{
  --c-primary:#14508C;
  --c-primary-600:#0F3E70;
  --c-primary-050:#EEF4FB;
  --c-accent:#F97316;
  --c-accent-600:#E1640A;
  --c-safe:#12857A;
  --c-ink:#101828;
  --c-body:#475467;
  --c-muted:#98A2B3;
  --c-line:#E4E7EC;
  --c-bg:#FFFFFF;
  --c-bg-soft:#F7F9FC;
  --c-dark:#0B2A4A;
  --r-card:16px;
  --r-img:12px;
  --r-btn:10px;
  --sh-1:0 1px 2px rgba(16,24,40,.05);
  --sh-2:0 4px 12px rgba(16,24,40,.06);
  --sh-3:0 12px 32px rgba(16,24,40,.10);
  --tr:.22s cubic-bezier(.2,.7,.3,1);
}
*{box-sizing:border-box;}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%;}
body{
  margin:0;
  font-family:"PingFang SC","Microsoft YaHei","Hiragino Sans GB","Source Han Sans SC",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16px;
  line-height:1.7;
  color:var(--c-body);
  background:var(--c-bg);
  letter-spacing:.01em;
}
img{max-width:100%;height:auto;display:block;}
a{color:var(--c-primary);text-decoration:none;transition:var(--tr);}
a:hover{color:var(--c-primary-600);}
h1,h2,h3,h4,h5{color:var(--c-ink);font-weight:700;letter-spacing:.01em;margin:0;}
p{margin:0;}
ul{margin:0;padding:0;list-style:none;}
button{font-family:inherit;}
.num{font-variant-numeric:tabular-nums;font-feature-settings:"tnum";}
:focus-visible{outline:none;box-shadow:0 0 0 3px rgba(249,115,22,.28);border-radius:8px;}

.container,.container-lg,.container-xl{
  max-width:1200px;
  width:100%;
  margin:0 auto;
  padding-left:24px;
  padding-right:24px;
}
@media(min-width:1400px){
  .container,.container-lg,.container-xl{max-width:1240px;}
}

/* ============ 顶部信息条 ============ */
.topbar{
  height:34px;
  background:var(--c-primary-050);
  font-size:13px;
  color:var(--c-primary);
  display:flex;
  align-items:center;
}
.topbar .container{display:flex;align-items:center;justify-content:space-between;}
.topbar-left{display:flex;align-items:center;gap:8px;}
.topbar-left i{font-size:12px;}
.topbar-right{display:flex;align-items:center;gap:20px;}
.topbar-right a{color:var(--c-primary);font-size:13px;}
.topbar-right a:hover{color:var(--c-primary-600);text-decoration:underline;}
@media(max-width:991px){.topbar{display:none;}}

/* ============ 导航 ============ */
.site-header{
  position:sticky;
  top:0;
  z-index:1030;
  background:#fff;
  border-bottom:1px solid var(--c-line);
}
.nav-inner{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:24px;
  min-height:72px;
}
.brand{display:flex;align-items:center;gap:10px;flex-shrink:0;}
.brand-mark{
  width:40px;height:40px;border-radius:11px;
  background:linear-gradient(150deg,var(--c-primary),var(--c-primary-600));
  color:#fff;font-size:16px;font-weight:700;
  display:flex;align-items:center;justify-content:center;
  letter-spacing:0;box-shadow:0 6px 14px rgba(20,80,140,.22);
}
.brand-text{display:flex;flex-direction:column;line-height:1.15;}
.brand-text strong{font-size:17px;color:var(--c-ink);font-weight:700;letter-spacing:.01em;}
.brand-text span{font-size:11.5px;color:var(--c-muted);letter-spacing:.04em;}
.nav-pills-custom{display:flex;align-items:center;gap:4px;}
.nav-pills-custom a{
  position:relative;
  display:inline-block;
  padding:8px 14px;
  border-radius:8px;
  font-size:15px;
  font-weight:500;
  color:var(--c-body);
}
.nav-pills-custom a:hover{background:var(--c-primary-050);color:var(--c-primary);}
.nav-pills-custom a.active{background:var(--c-primary-050);color:var(--c-primary);font-weight:600;}
.nav-pills-custom a.active::after{
  content:"";position:absolute;left:14px;right:14px;bottom:3px;height:2px;
  background:var(--c-primary);border-radius:2px;
}
.nav-actions{display:flex;align-items:center;gap:14px;flex-shrink:0;}
.nav-link-plain{font-size:15px;color:var(--c-body);font-weight:500;}
.nav-link-plain:hover{color:var(--c-primary);}
.nav-toggle{
  width:44px;height:44px;border-radius:var(--r-btn);
  border:1px solid var(--c-line);background:#fff;
  display:none;align-items:center;justify-content:center;flex-direction:column;gap:5px;
  cursor:pointer;transition:var(--tr);
}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--c-ink);border-radius:2px;transition:var(--tr);}
.nav-toggle:hover{border-color:#B9CBE0;background:var(--c-primary-050);}
@media(max-width:1199px){
  .nav-pills-custom a{padding:8px 10px;font-size:14.5px;}
}
@media(max-width:991px){
  .nav-pills-custom,.nav-actions .nav-link-plain{display:none;}
  .nav-toggle{display:flex;}
}

/* offcanvas 移动端抽屉 */
.offcanvas{width:320px;border:0;}
.offcanvas-header{border-bottom:1px solid var(--c-line);padding:18px 22px;}
.offcanvas-body{padding:16px 22px 24px;display:flex;flex-direction:column;}
.mobile-nav a{
  display:flex;align-items:center;justify-content:space-between;
  padding:15px 2px;font-size:16px;color:var(--c-ink);
  border-bottom:1px solid var(--c-line);
}
.mobile-nav a.active{color:var(--c-primary);font-weight:600;}
.mobile-nav a i{font-size:12px;color:var(--c-muted);}
.mobile-cta{margin-top:auto;padding-top:24px;}

/* ============ 按钮 ============ */
.btn-pg{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 26px;border-radius:var(--r-btn);
  font-size:16px;font-weight:600;line-height:1;border:1px solid transparent;
  cursor:pointer;transition:var(--tr);text-decoration:none;
}
.btn-pg-primary{background:var(--c-accent);color:#fff;border-color:var(--c-accent);}
.btn-pg-primary:hover{background:var(--c-accent-600);border-color:var(--c-accent-600);color:#fff;transform:translateY(-1px);box-shadow:0 10px 24px rgba(249,115,22,.28);}
.btn-pg-secondary{background:#fff;color:var(--c-ink);border-color:#D0D5DD;}
.btn-pg-secondary:hover{background:var(--c-primary-050);border-color:#B9CBE0;color:var(--c-primary);}
.btn-pg-ghost{background:transparent;color:var(--c-primary);border-color:transparent;padding:0 14px;}
.btn-pg-ghost:hover{background:var(--c-primary-050);color:var(--c-primary);}
.btn-pg-outline-light{background:transparent;color:#fff;border-color:rgba(255,255,255,.4);}
.btn-pg-outline-light:hover{background:rgba(255,255,255,.12);color:#fff;border-color:rgba(255,255,255,.7);}
.btn-pg-lg{height:56px;font-size:17px;padding:0 32px;}
.btn-pg-sm{height:44px;font-size:15px;padding:0 20px;}
.btn-pg:active{transform:translateY(1px);}
.btn-pg[disabled],.btn-pg.disabled{opacity:.5;pointer-events:none;}

/* ============ 通用板块 ============ */
.sec{padding:88px 0;}
.sec-soft{background:var(--c-bg-soft);}
@media(max-width:991px){.sec{padding:64px 0;}}
@media(max-width:575px){.sec{padding:48px 0;}}
.sec-head{max-width:700px;margin:0 auto 48px;text-align:center;}
.sec-head.left{margin-left:0;text-align:left;}
.sec-tag{
  display:inline-block;padding:5px 14px;border-radius:999px;
  background:var(--c-primary-050);color:var(--c-primary);
  font-size:13px;font-weight:600;margin-bottom:14px;
}
.sec-tag.tag-safe{background:#E6F5F3;color:var(--c-safe);}
.sec-tag.tag-accent{background:#FFF1E6;color:var(--c-accent-600);}
.sec-head h2{font-size:clamp(22px,2.6vw,32px);line-height:1.35;margin-bottom:12px;}
.sec-head p{font-size:16px;color:var(--c-body);}
.lead-sm{font-size:15px;color:var(--c-body);}

/* ============ Hero ============ */
.hero{position:relative;padding:96px 0 88px;background:#fff;overflow:hidden;}
.hero-deco{
  position:absolute;right:-40px;bottom:-60px;width:520px;height:520px;
  background-image:radial-gradient(var(--c-line) 1.4px,transparent 1.4px);
  background-size:22px 22px;opacity:.9;pointer-events:none;
}
.hero .container{position:relative;z-index:1;}
.hero h1{font-size:clamp(28px,4vw,44px);line-height:1.24;margin-bottom:18px;}
.hero h1 .hl{color:var(--c-primary);}
.hero-sub{font-size:17px;color:var(--c-body);max-width:520px;margin-bottom:32px;}
.hero-cta{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:8px;}
.trust-row{display:flex;flex-wrap:wrap;align-items:center;margin-top:30px;}
.trust-item{
  display:flex;align-items:center;gap:8px;
  padding:0 18px;font-size:13.5px;color:var(--c-body);
  border-right:1px dashed var(--c-line);white-space:nowrap;
}
.trust-item:first-child{padding-left:0;}
.trust-item:last-child{border-right:none;}
.trust-item i{color:var(--c-primary);font-size:13px;}
.trust-item .num{color:var(--c-ink);font-weight:600;}
@media(max-width:991px){
  .hero{padding:56px 0 56px;}
  .trust-item{border-right:none;padding:4px 18px 4px 0;}
}
.hero-media{position:relative;}
.hero-media img{
  width:100%;aspect-ratio:16/10;object-fit:cover;
  border-radius:var(--r-card);box-shadow:var(--sh-3);
}
.float-card{
  position:absolute;left:-18px;bottom:28px;
  background:#fff;border:1px solid var(--c-line);border-radius:14px;
  padding:14px 18px;box-shadow:var(--sh-3);
  display:flex;align-items:center;gap:12px;
}
.float-card .fc-ic{
  width:38px;height:38px;border-radius:10px;background:var(--c-primary-050);
  color:var(--c-primary);display:flex;align-items:center;justify-content:center;font-size:15px;
}
.float-card .fc-txt{line-height:1.3;}
.float-card .fc-txt strong{display:block;font-size:15px;color:var(--c-ink);font-weight:700;}
.float-card .fc-txt span{font-size:12.5px;color:var(--c-muted);}
@media(max-width:767px){
  .float-card{left:12px;bottom:12px;padding:10px 14px;}
}
@media(max-width:991px){
  .hero-media{margin-top:40px;}
}

/* ============ 价值区 ============ */
.value-main{
  display:grid;grid-template-columns:auto 1fr auto;gap:26px;align-items:center;
  background:var(--c-bg-soft);border:1px solid var(--c-line);
  border-radius:var(--r-card);padding:34px;box-shadow:var(--sh-2);transition:var(--tr);
}
.value-main:hover{box-shadow:var(--sh-3);}
.value-main h3{font-size:21px;margin-bottom:8px;}
.value-main p{font-size:15.5px;color:var(--c-body);max-width:640px;}
.ic-box{
  width:52px;height:52px;border-radius:13px;flex-shrink:0;
  display:flex;align-items:center;justify-content:center;font-size:20px;
}
.ic-primary{background:#fff;color:var(--c-primary);border:1px solid #D8E5F3;}
.ic-accent{background:#FFF1E6;color:var(--c-accent-600);}
.ic-safe{background:#E6F5F3;color:var(--c-safe);}
.value-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;margin-top:24px;}
.value-card{
  background:#fff;border:1px solid var(--c-line);border-radius:var(--r-card);
  padding:28px;box-shadow:var(--sh-2);transition:var(--tr);height:100%;
}
.value-card:hover{box-shadow:var(--sh-3);transform:translateY(-2px);border-color:#D5E2F0;}
.value-card h3{font-size:18px;margin:18px 0 10px;}
.value-card p{font-size:15px;color:var(--c-body);}
.value-card .meta{
  margin-top:16px;padding-top:14px;border-top:1px dashed var(--c-line);
  font-size:13px;color:var(--c-muted);display:flex;align-items:center;gap:8px;
}
.value-card .meta i{color:var(--c-safe);}
@media(max-width:991px){
  .value-main{grid-template-columns:auto 1fr;padding:26px;}
  .value-main .btn-pg{grid-column:1 / -1;justify-self:start;}
  .value-grid{grid-template-columns:repeat(2,1fr);}
}
@media(max-width:575px){
  .value-grid{grid-template-columns:1fr;}
  .value-main{grid-template-columns:1fr;}
}

/* ============ 截图轮播 ============ */
.shot-carousel .carousel-inner{border-radius:var(--r-card);overflow:hidden;}
.shot-slide{position:relative;}
.shot-slide img{width:100%;aspect-ratio:16/10;object-fit:cover;display:block;}
.shot-caption{
  position:absolute;left:0;right:0;bottom:0;padding:32px;
  background:linear-gradient(180deg,rgba(11,42,74,0) 0%,rgba(11,42,74,.88) 100%);
  color:#fff;
}
.shot-caption h3{color:#fff;font-size:20px;margin-bottom:6px;}
.shot-caption p{color:rgba(255,255,255,.84);font-size:14.5px;}
.shot-carousel .carousel-indicators{position:static;margin:22px 0 0;display:flex;justify-content:center;gap:10px;}
.shot-carousel .carousel-indicators [data-bs-target]{
  width:36px;height:4px;border-radius:2px;background:var(--c-line);
  border:0;opacity:1;margin:0;transition:var(--tr);
}
.shot-carousel .carousel-indicators .active{background:var(--c-primary);width:52px;}
.shot-carousel .carousel-control-prev,
.shot-carousel .carousel-control-next{width:56px;opacity:1;}
.shot-carousel .carousel-control-prev-icon,
.shot-carousel .carousel-control-next-icon{
  width:42px;height:42px;border-radius:50%;
  background-color:rgba(11,42,74,.72);background-size:14px;
  transition:var(--tr);
}
.shot-carousel .carousel-control-prev:hover .carousel-control-prev-icon,
.shot-carousel .carousel-control-next:hover .carousel-control-next-icon{background-color:var(--c-primary);}
@media(max-width:767px){
  .shot-caption{padding:18px;}
  .shot-caption h3{font-size:16px;}
  .shot-caption p{font-size:13px;}
}

/* ============ 系统要求 ============ */
.spec-card{
  background:#fff;border:1px solid var(--c-line);border-radius:var(--r-card);
  padding:30px;box-shadow:var(--sh-2);height:100%;transition:var(--tr);
}
.spec-card:hover{box-shadow:var(--sh-3);}
.spec-head{display:flex;align-items:center;gap:12px;margin-bottom:20px;padding-bottom:18px;border-bottom:1px solid var(--c-line);}
.spec-head h3{font-size:19px;}
.spec-head p{font-size:13px;color:var(--c-muted);margin-top:2px;}
.spec-list li{
  display:flex;align-items:flex-start;justify-content:space-between;gap:18px;
  padding:14px 0;border-bottom:1px dashed var(--c-line);font-size:15px;
}
.spec-list li:last-child{border-bottom:none;padding-bottom:0;}
.spec-list .k{color:var(--c-body);flex-shrink:0;}
.spec-list .v{color:var(--c-ink);font-weight:600;text-align:right;}
.spec-note{
  margin-top:20px;background:var(--c-primary-050);border-radius:12px;
  padding:14px 16px;font-size:13.5px;color:var(--c-primary);display:flex;gap:10px;
}
.spec-note i{margin-top:3px;}

/* ============ 评价墙 ============ */
.review-wall{columns:3;column-gap:24px;}
.review-card{
  break-inside:avoid;margin-bottom:24px;
  background:#fff;border:1px solid var(--c-line);border-radius:var(--r-card);
  padding:26px;box-shadow:var(--sh-2);transition:var(--tr);
}
.review-card:hover{box-shadow:var(--sh-3);}
.review-card.is-dark{background:var(--c-dark);border-color:var(--c-dark);}
.review-card.is-dark .review-text{color:rgba(255,255,255,.86);}
.review-card.is-dark .review-name{color:#fff;}
.review-card.is-dark .review-date{color:rgba(255,255,255,.55);}
.review-card.is-accent{background:var(--c-primary-050);border-color:#D8E5F3;}
.stars{color:var(--c-accent);font-size:13.5px;letter-spacing:2px;margin-bottom:14px;}
.review-text{font-size:15px;line-height:1.8;color:var(--c-body);margin-bottom:20px;}
.review-user{display:flex;align-items:center;gap:12px;padding-top:16px;border-top:1px dashed var(--c-line);}
.review-card.is-dark .review-user{border-top-color:rgba(255,255,255,.18);}
.avatar{
  width:40px;height:40px;border-radius:50%;flex-shrink:0;
  display:flex;align-items:center;justify-content:center;
  background:var(--c-primary);color:#fff;font-size:15px;font-weight:600;
}
.review-card.is-dark .avatar{background:var(--c-accent);}
.avatar.av-2{background:var(--c-safe);}
.avatar.av-3{background:#7A5AF8;}
.avatar.av-4{background:var(--c-accent);}
.review-info{line-height:1.35;}
.review-name{display:block;font-size:14.5px;font-weight:600;color:var(--c-ink);}
.review-date{font-size:12.5px;color:var(--c-muted);}
@media(max-width:991px){.review-wall{columns:2;}}
@media(max-width:575px){.review-wall{columns:1;}}

/* ============ 下载区 ============ */
.dl-band{
  position:relative;overflow:hidden;
  background:var(--c-dark);border-radius:20px;
  padding:52px;color:#fff;
}
.dl-band::after{
  content:"";position:absolute;right:-80px;top:-80px;width:340px;height:340px;
  border-radius:50%;background:rgba(255,255,255,.045);
}
.dl-inner{position:relative;z-index:1;display:grid;grid-template-columns:1.35fr 1fr;gap:44px;align-items:center;}
.dl-band h2{color:#fff;font-size:clamp(22px,2.6vw,30px);margin-bottom:14px;}
.dl-band p{color:rgba(255,255,255,.76);font-size:15.5px;max-width:520px;}
.dl-actions{display:flex;flex-direction:column;gap:14px;align-items:flex-end;}
.dl-btns{display:flex;flex-wrap:wrap;gap:12px;justify-content:flex-end;}
.dl-meta{
  margin-top:26px;padding-top:20px;border-top:1px solid rgba(255,255,255,.14);
  display:flex;flex-wrap:wrap;gap:22px;font-size:13px;color:rgba(255,255,255,.62);
}
.dl-meta span{display:flex;align-items:center;gap:7px;}
.dl-meta i{color:var(--c-safe);}
.qr-box{
  width:112px;height:112px;border-radius:12px;background:#fff;position:relative;flex-shrink:0;
  box-shadow:0 10px 24px rgba(0,0,0,.25);
}
.qr-box::before{
  content:"";position:absolute;inset:14px;opacity:.82;
  background-image:
    repeating-linear-gradient(90deg,#0B2A4A 0 6px,transparent 6px 12px),
    repeating-linear-gradient(0deg,#0B2A4A 0 6px,transparent 6px 12px);
}
.qr-wrap{display:flex;flex-direction:column;align-items:center;gap:10px;}
.qr-wrap span{font-size:12.5px;color:rgba(255,255,255,.7);}
@media(max-width:991px){
  .dl-band{padding:34px 24px;}
  .dl-inner{grid-template-columns:1fr;gap:32px;}
  .dl-actions{align-items:flex-start;}
  .dl-btns{justify-content:flex-start;}
  .qr-wrap{align-items:flex-start;}
}

/* ============ CMS 列表 ============ */
.post-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.post-card{
  display:flex;flex-direction:column;height:100%;
  background:#fff;border:1px solid var(--c-line);border-radius:var(--r-card);
  overflow:hidden;box-shadow:var(--sh-2);transition:var(--tr);
  text-decoration:none;color:inherit;
}
.post-card:hover{transform:translateY(-2px);box-shadow:var(--sh-3);border-color:#D5E2F0;color:inherit;}
.post-thumb{aspect-ratio:16/9;overflow:hidden;background:var(--c-primary-050);}
.post-thumb img{width:100%;height:100%;object-fit:cover;transition:var(--tr);}
.post-card:hover .post-thumb img{transform:scale(1.03);}
.post-body{padding:22px 22px 20px;display:flex;flex-direction:column;flex:1;}
.badge-cate{
  display:inline-block;align-self:flex-start;
  padding:4px 12px;border-radius:999px;
  background:var(--c-primary-050);color:var(--c-primary);
  font-size:12.5px;font-weight:600;margin-bottom:12px;
}
.post-card h3{
  font-size:17px;line-height:1.5;margin-bottom:10px;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.post-card .excerpt{
  font-size:14.5px;color:var(--c-body);line-height:1.75;margin-bottom:18px;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.post-foot{
  margin-top:auto;padding-top:14px;border-top:1px dashed var(--c-line);
  display:flex;align-items:center;justify-content:space-between;
  font-size:13px;color:var(--c-muted);
}
.post-foot i{color:var(--c-primary);}
.empty-state{
  text-align:center;padding:64px 24px;background:#fff;
  border:1px dashed var(--c-line);border-radius:var(--r-card);
}
.empty-state i{font-size:32px;color:var(--c-muted);margin-bottom:16px;display:block;}
.empty-state p{color:var(--c-body);font-size:15.5px;margin-bottom:20px;}
.list-more{display:flex;justify-content:center;margin-top:44px;}
@media(max-width:991px){.post-grid{grid-template-columns:repeat(2,1fr);}}
@media(max-width:575px){.post-grid{grid-template-columns:1fr;}}

/* ============ FAQ ============ */
.faq-acc .accordion-item{
  border:1px solid var(--c-line);border-radius:14px;margin-bottom:12px;
  overflow:hidden;background:#fff;box-shadow:var(--sh-1);
}
.faq-acc .accordion-button{
  position:relative;
  font-size:16px;font-weight:600;color:var(--c-ink);
  padding:20px 22px;background:#fff;box-shadow:none;line-height:1.55;
}
.faq-acc .accordion-button:not(.collapsed){color:var(--c-primary);background:var(--c-primary-050);}
.faq-acc .accordion-button:not(.collapsed)::before{
  content:"";position:absolute;left:0;top:12px;bottom:12px;width:3px;
  border-radius:0 3px 3px 0;background:var(--c-primary);
}
.faq-acc .accordion-button::after{
  background-image:none;content:"+";
  width:26px;height:26px;flex:0 0 26px;margin-left:auto;
  display:flex;align-items:center;justify-content:center;
  font-size:20px;font-weight:500;color:var(--c-primary);
  transition:var(--tr);
}
.faq-acc .accordion-button:not(.collapsed)::after{content:"−";}
.faq-acc .accordion-button:focus{box-shadow:0 0 0 3px rgba(20,80,140,.12);}
.faq-acc .accordion-body{
  padding:4px 22px 22px;font-size:15px;line-height:1.85;color:var(--c-body);
}

/* ============ 底部 CTA ============ */
.cta-strip{
  background:var(--c-primary-050);
  border:1px solid #D8E5F3;
  border-radius:var(--r-card);
  padding:40px 44px;
  display:flex;align-items:center;justify-content:space-between;gap:32px;flex-wrap:wrap;
}
.cta-strip h2{font-size:clamp(20px,2.2vw,26px);margin-bottom:8px;}
.cta-strip p{font-size:15px;color:var(--c-body);}
.cta-strip .btns{display:flex;gap:12px;flex-wrap:wrap;}
@media(max-width:767px){.cta-strip{padding:28px 22px;}}

/* ============ 页脚 ============ */
.site-footer{background:var(--c-dark);color:rgba(255,255,255,.7);padding:64px 0 0;margin-top:88px;}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:40px;}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px;}
.footer-brand .brand-mark{box-shadow:none;background:rgba(255,255,255,.12);}
.footer-brand strong{color:#fff;font-size:17px;font-weight:700;}
.site-footer p{font-size:14px;line-height:1.85;color:rgba(255,255,255,.66);}
.footer-col h4{color:#fff;font-size:15px;font-weight:600;margin-bottom:18px;}
.footer-col li{margin-bottom:11px;}
.footer-col a{color:rgba(255,255,255,.72);font-size:14px;}
.footer-col a:hover{color:#fff;text-decoration:underline;}
.footer-contact li{display:flex;gap:10px;font-size:14px;color:rgba(255,255,255,.72);margin-bottom:12px;align-items:flex-start;}
.footer-contact i{color:var(--c-accent);margin-top:4px;font-size:13px;}
.footer-bottom{
  margin-top:52px;border-top:1px solid rgba(255,255,255,.12);
  padding:22px 0;font-size:13.5px;
  display:flex;justify-content:space-between;align-items:center;gap:14px;flex-wrap:wrap;
  color:rgba(255,255,255,.55);
}
.footer-bottom a{color:rgba(255,255,255,.55);}
.footer-bottom a:hover{color:#fff;}
@media(max-width:991px){
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
  .site-footer{margin-top:64px;}
}
@media(max-width:575px){
  .footer-grid{grid-template-columns:1fr;}
}

/* roulang page: article */
:root{
  --c-primary:#14508C;
  --c-primary-600:#0F3E70;
  --c-primary-050:#EEF4FB;
  --c-accent:#F97316;
  --c-accent-600:#E1640A;
  --c-safe:#12857A;
  --c-ink:#101828;
  --c-body:#475467;
  --c-muted:#98A2B3;
  --c-line:#E4E7EC;
  --c-bg:#FFFFFF;
  --c-bg-soft:#F7F9FC;
  --c-dark:#0B2A4A;
  --c-danger:#D92D20;
  --sh-1:0 1px 2px rgba(16,24,40,.05);
  --sh-2:0 4px 12px rgba(16,24,40,.06);
  --sh-3:0 12px 32px rgba(16,24,40,.10);
  --r-card:16px;
  --r-img:12px;
  --r-btn:10px;
  --tr:.22s cubic-bezier(.2,.7,.3,1);
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  background:var(--c-bg);
  color:var(--c-body);
  font-family:"PingFang SC","Microsoft YaHei","Hiragino Sans GB","Source Han Sans SC",system-ui,-apple-system,"Segoe UI",Arial,sans-serif;
  font-size:16px;
  line-height:1.75;
  letter-spacing:.01em;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;height:auto;display:block;}
a{color:var(--c-primary);text-decoration:none;transition:var(--tr);}
a:hover{color:var(--c-primary-600);}
ul,ol{margin:0;padding:0;}
button,input,textarea,select{font:inherit;color:inherit;}
h1,h2,h3,h4{color:var(--c-ink);font-weight:700;margin:0;letter-spacing:.01em;line-height:1.35;}
p{margin:0 0 16px;}
:focus-visible{outline:3px solid rgba(249,115,22,.28);outline-offset:2px;border-radius:6px;}
.container,.container-lg,.container-xl,.container-md,.container-sm{max-width:1200px;padding-left:24px;padding-right:24px;margin-left:auto;margin-right:auto;}
@media (min-width:1400px){.container{max-width:1240px;}}
.section{padding:64px 0;}
@media (min-width:992px){.section{padding:88px 0;}}
.section-soft{background:var(--c-bg-soft);border-top:1px solid var(--c-line);border-bottom:1px solid var(--c-line);}
,{}
.sec-head{max-width:720px;margin-bottom:32px;}
.sec-head h2{font-size:clamp(22px,2.6vw,32px);margin-bottom:10px;}
.sec-head p{color:var(--c-body);margin:0;}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:12.5px;font-weight:600;letter-spacing:.06em;color:var(--c-primary);background:var(--c-primary-050);border-radius:999px;padding:5px 12px;margin-bottom:14px;}

/* 顶部信息条 */
.topbar{display:none;}
@media (min-width:992px){
  .topbar{display:block;background:var(--c-primary-050);border-bottom:1px solid var(--c-line);}
  .topbar-inner{height:34px;display:flex;align-items:center;justify-content:space-between;gap:20px;font-size:13px;color:var(--c-primary-600);}
  .topbar-inner span{display:inline-flex;align-items:center;gap:8px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;}
  .topbar-links{display:flex;align-items:center;gap:12px;flex-shrink:0;}
  .topbar-links a{color:var(--c-primary-600);}
  .topbar-links a:hover{color:var(--c-accent);}
  .topbar-links .dot{width:4px;height:4px;border-radius:50%;background:var(--c-muted);display:inline-block;}
}

/* 导航 */
.site-header{position:sticky;top:0;z-index:1030;background:#fff;border-bottom:1px solid var(--c-line);box-shadow:var(--sh-1);}
.header-inner{display:flex;align-items:center;justify-content:space-between;gap:20px;height:72px;}
.brand{display:inline-flex;align-items:center;gap:10px;text-decoration:none;flex-shrink:0;}
.brand-mark{width:38px;height:38px;border-radius:11px;background:var(--c-primary);color:#fff;display:inline-flex;align-items:center;justify-content:center;font-weight:700;font-size:15px;letter-spacing:.02em;box-shadow:var(--sh-1);}
.brand-text{font-size:18px;font-weight:700;color:var(--c-ink);white-space:nowrap;}
.nav-pills-custom{display:none;}
@media (min-width:992px){
  .nav-pills-custom{display:flex;align-items:center;gap:4px;flex:1;justify-content:center;}
  .nav-pills-custom a{position:relative;padding:8px 14px;border-radius:8px;font-size:15px;color:var(--c-body);white-space:nowrap;}
  .nav-pills-custom a:hover{background:var(--c-bg-soft);color:var(--c-primary);}
  .nav-pills-custom a.active{background:var(--c-primary-050);color:var(--c-primary);font-weight:600;}
  .nav-pills-custom a.active::after{content:"";position:absolute;left:14px;right:14px;bottom:2px;height:2px;border-radius:2px;background:var(--c-primary);}
}
.header-actions{display:flex;align-items:center;gap:12px;flex-shrink:0;}
.nav-toggle{display:inline-flex;align-items:center;justify-content:center;width:42px;height:42px;border-radius:10px;border:1px solid var(--c-line);background:#fff;color:var(--c-ink);cursor:pointer;transition:var(--tr);}
.nav-toggle:hover{background:var(--c-bg-soft);border-color:#D0D5DD;}
.nav-toggle i{font-size:17px;}
@media (min-width:992px){.nav-toggle{display:none;}}
.mobile-drawer{width:320px !important;}
.drawer-brand{display:flex;align-items:center;gap:10px;font-weight:700;color:var(--c-ink);}
.drawer-body a.drawer-link{display:block;padding:12px 14px;border-radius:10px;color:var(--c-ink);font-size:15px;margin-bottom:4px;}
.drawer-body a.drawer-link:hover{background:var(--c-bg-soft);color:var(--c-primary);}
.drawer-body a.drawer-link.active{background:var(--c-primary-050);color:var(--c-primary);font-weight:600;}
.drawer-foot{margin-top:20px;padding-top:20px;border-top:1px dashed var(--c-line);}

/* 按钮 */
.btn-main,.btn-line,.btn-ghost{display:inline-flex;align-items:center;justify-content:center;gap:8px;border-radius:var(--r-btn);font-weight:600;font-size:15px;height:48px;padding:0 24px;cursor:pointer;transition:var(--tr);border:1px solid transparent;text-decoration:none;line-height:1;}
.btn-main{background:var(--c-accent);border-color:var(--c-accent);color:#fff;box-shadow:var(--sh-1);}
.btn-main:hover{background:var(--c-accent-600);border-color:var(--c-accent-600);color:#fff;transform:translateY(-1px);box-shadow:0 8px 20px rgba(249,115,22,.28);}
.btn-main:active{transform:translateY(1px);box-shadow:none;}
.btn-main:disabled{opacity:.5;pointer-events:none;}
.btn-line{background:#fff;border-color:#D0D5DD;color:var(--c-ink);}
.btn-line:hover{background:var(--c-primary-050);border-color:var(--c-primary);color:var(--c-primary);}
.btn-ghost{background:transparent;color:var(--c-primary);padding:0 12px;}
.btn-ghost:hover{background:var(--c-primary-050);color:var(--c-primary-600);}
.btn-sm{height:44px;padding:0 18px;font-size:14px;}
.btn-lg{height:56px;padding:0 32px;font-size:16px;}
.btn-block{width:100%;}

/* 徽章与标签 */
.chip{display:inline-flex;align-items:center;gap:6px;border-radius:999px;padding:4px 12px;font-size:12.5px;font-weight:600;background:var(--c-primary-050);color:var(--c-primary);border:1px solid transparent;}
.chip-accent{background:#FFF4EC;color:var(--c-accent-600);}
.chip-safe{background:#E9F6F4;color:var(--c-safe);}
.chip-outline{background:#fff;border-color:var(--c-line);color:var(--c-body);}
.chip-on-dark{background:rgba(255,255,255,.14);color:#fff;}

/* 面包屑 */
.crumb{display:flex;align-items:center;flex-wrap:wrap;gap:8px;font-size:13.5px;color:var(--c-muted);margin-bottom:18px;}
.crumb a{color:var(--c-body);}
.crumb a:hover{color:var(--c-primary);}
.crumb em{font-style:normal;color:var(--c-ink);max-width:520px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;}

/* 文章头 */
.article-hero{padding:40px 0 0;background:linear-gradient(180deg,var(--c-bg-soft) 0%,#fff 100%);}
.article-title{font-size:clamp(26px,3.4vw,34px);line-height:1.4;margin-bottom:18px;}
.article-meta{display:flex;align-items:center;flex-wrap:wrap;gap:10px 20px;font-size:14px;color:var(--c-muted);}
.article-meta i{color:var(--c-primary);margin-right:5px;}
.rule{border:0;border-top:1px solid var(--c-line);margin:26px 0 0;}

/* 正文布局 */
.article-main{padding:48px 0 64px;}
.article-wrap{display:grid;grid-template-columns:minmax(0,1fr);gap:40px;}
@media (min-width:1200px){
  .article-wrap{grid-template-columns:minmax(0,760px) minmax(0,1fr);gap:56px;align-items:start;}
}
.article-body{font-size:16px;line-height:1.8;color:var(--c-body);word-wrap:break-word;}
.article-body>*:first-child{margin-top:0;}
.article-body h2{font-size:22px;margin:38px 0 16px;padding-left:12px;border-left:3px solid var(--c-primary);line-height:1.5;}
.article-body h3{font-size:18px;margin:26px 0 12px;font-weight:600;}
.article-body h4{font-size:16px;margin:20px 0 10px;}
.article-body p{margin:0 0 18px;}
.article-body a{color:var(--c-primary);border-bottom:1px solid rgba(20,80,140,.28);}
.article-body a:hover{color:var(--c-accent);border-bottom-color:var(--c-accent);}
.article-body ul,.article-body ol{padding-left:22px;margin:0 0 18px;}
.article-body ul{list-style:none;padding-left:0;}
.article-body ul li{position:relative;padding-left:20px;margin:8px 0;}
.article-body ul li::before{content:"";position:absolute;left:4px;top:.72em;width:6px;height:6px;border-radius:50%;background:var(--c-primary);}
.article-body ol li{margin:8px 0;}
.article-body blockquote{background:var(--c-bg-soft);border-left:3px solid var(--c-primary);border-radius:10px;padding:16px 20px;margin:22px 0;color:var(--c-body);}
.article-body blockquote p:last-child{margin-bottom:0;}
.article-body img{border-radius:var(--r-img);margin:22px auto;box-shadow:var(--sh-2);}
.article-body figure{margin:22px 0;}
.article-body figcaption{text-align:center;font-size:13px;color:var(--c-muted);margin-top:10px;}
.article-body table{width:100%;border-collapse:collapse;font-size:15px;margin:0;}
.article-body .table-wrap{overflow-x:auto;margin:22px 0;border:1px solid var(--c-line);border-radius:12px;background:#fff;}
.article-body th,.article-body td{border-bottom:1px solid var(--c-line);padding:11px 14px;text-align:left;white-space:nowrap;}
.article-body th{background:var(--c-bg-soft);color:var(--c-ink);font-weight:600;}
.article-body pre{background:var(--c-dark);color:#E6EEF7;border-radius:12px;padding:16px 18px;overflow-x:auto;font-size:14px;line-height:1.7;margin:22px 0;}
.article-body code{background:var(--c-primary-050);color:var(--c-primary-600);padding:2px 6px;border-radius:6px;font-size:.92em;}
.article-body pre code{background:transparent;color:inherit;padding:0;}
.article-body hr{border:0;border-top:1px dashed var(--c-line);margin:30px 0;}
.article-empty{text-align:center;padding:56px 24px;background:var(--c-bg-soft);border:1px dashed var(--c-line);border-radius:var(--r-card);}
.article-empty i{font-size:30px;color:var(--c-muted);margin-bottom:14px;display:block;}
.article-empty h2{font-size:20px;border:0;padding:0;margin:0 0 10px;}
.article-empty p{margin-bottom:20px;}

/* 侧栏 */
.article-side{display:grid;gap:20px;}
.side-card{background:#fff;border:1px solid var(--c-line);border-radius:var(--r-card);padding:22px;box-shadow:var(--sh-2);}
.side-card h3{font-size:16px;margin-bottom:14px;}
.side-list{list-style:none;}
.side-list li{display:flex;gap:10px;align-items:flex-start;padding:10px 0;border-bottom:1px dashed var(--c-line);font-size:14.5px;color:var(--c-body);}
.side-list li:last-child{border-bottom:0;padding-bottom:0;}
.side-list li i{color:var(--c-safe);margin-top:4px;flex-shrink:0;}
.side-card-dark{background:var(--c-dark);border-color:var(--c-dark);color:#C7D5E4;position:relative;overflow:hidden;}
.side-card-dark::after{content:"";position:absolute;right:-40px;bottom:-40px;width:140px;height:140px;border-radius:50%;background:rgba(255,255,255,.05);}
.side-card-dark h3{color:#fff;}
.side-card-dark p{font-size:14.5px;margin:12px 0 18px;position:relative;z-index:1;}
.side-figure{border-radius:var(--r-img);overflow:hidden;border:1px solid var(--c-line);}
.side-figure img{aspect-ratio:16/9;width:100%;object-fit:cover;border-radius:0;}

/* 文末 */
.article-foot{margin-top:40px;padding-top:28px;border-top:1px solid var(--c-line);}
.tag-row{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:26px;}
.navcards{display:grid;grid-template-columns:1fr;gap:16px;margin-bottom:12px;}
@media (min-width:768px){.navcards{grid-template-columns:1fr 1fr;}}
.navcard{display:block;background:#fff;border:1px solid var(--c-line);border-radius:var(--r-card);padding:20px;box-shadow:var(--sh-1);transition:var(--tr);}
.navcard:hover{box-shadow:var(--sh-3);transform:translateY(-2px);border-color:#D0D5DD;}
.navcard span{font-size:12.5px;color:var(--c-muted);display:block;margin-bottom:8px;}
.navcard strong{display:block;color:var(--c-ink);font-size:16px;font-weight:600;line-height:1.5;}

/* 相关推荐 */
.rec-grid{display:grid;grid-template-columns:1fr;gap:22px;}
@media (min-width:576px){.rec-grid{grid-template-columns:repeat(2,1fr);}}
@media (min-width:992px){.rec-grid{grid-template-columns:repeat(3,1fr);}}
.post-card{background:#fff;border:1px solid var(--c-line);border-radius:var(--r-card);overflow:hidden;box-shadow:var(--sh-2);transition:var(--tr);display:flex;flex-direction:column;height:100%;}
.post-card:hover{box-shadow:var(--sh-3);transform:translateY(-2px);}
.post-card .thumb{aspect-ratio:16/9;overflow:hidden;background:var(--c-bg-soft);}
.post-card .thumb img{width:100%;height:100%;object-fit:cover;transition:var(--tr);}
.post-card:hover .thumb img{transform:scale(1.03);}
.post-card .pc-body{padding:20px;display:flex;flex-direction:column;gap:10px;flex:1;}
.post-card h3{font-size:17px;line-height:1.5;}
.post-card p{font-size:14.5px;color:var(--c-body);margin:0;flex:1;}
.post-card .pc-foot{display:flex;align-items:center;justify-content:space-between;font-size:13px;color:var(--c-muted);border-top:1px dashed var(--c-line);padding-top:12px;margin-top:4px;}

/* CTA */
.cta-band{background:var(--c-dark);color:#C7D5E4;padding:48px 0;}
.cta-inner{display:grid;grid-template-columns:1fr;gap:24px;align-items:center;}
@media (min-width:992px){.cta-inner{grid-template-columns:1.6fr 1fr;gap:40px;}}
.cta-inner h2{color:#fff;font-size:clamp(22px,2.4vw,28px);margin-bottom:10px;}
.cta-inner p{margin:0;color:#AFC2D6;font-size:15px;}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;}
.cta-actions .btn-line{background:transparent;border-color:rgba(255,255,255,.35);color:#fff;}
.cta-actions .btn-line:hover{background:rgba(255,255,255,.12);border-color:#fff;color:#fff;}
.cta-note{margin-top:16px;font-size:13px;color:#8FA3B8;display:flex;align-items:center;gap:8px;}

/* 页脚 */
.site-footer{background:var(--c-dark);color:#C7D5E4;padding:64px 0 0;border-top:1px solid rgba(255,255,255,.08);}
.footer-grid{display:grid;grid-template-columns:1fr;gap:32px;}
@media (min-width:768px){.footer-grid{grid-template-columns:1.6fr 1fr 1fr;}}
@media (min-width:992px){.footer-grid{grid-template-columns:1.7fr 1fr 1fr 1.5fr;}}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:14px;color:#fff;font-size:18px;font-weight:700;}
.footer-brand .brand-mark{background:rgba(255,255,255,.12);}
.site-footer p{font-size:14.5px;color:#AFC2D6;max-width:400px;}
.site-footer h4{color:#fff;font-size:16px;margin-bottom:16px;font-weight:600;}
.footer-col ul{list-style:none;}
.footer-col li{margin-bottom:10px;font-size:14.5px;}
.site-footer a{color:#C7D5E4;}
.site-footer a:hover{color:#fff;text-decoration:underline;}
.footer-contact li{display:flex;gap:10px;align-items:flex-start;color:#AFC2D6;}
.footer-contact i{color:var(--c-accent);margin-top:4px;flex-shrink:0;}
.footer-bottom{display:flex;flex-wrap:wrap;justify-content:space-between;gap:12px;border-top:1px solid rgba(255,255,255,.12);margin-top:48px;padding:20px 0 26px;font-size:13px;color:#8FA3B8;}

/* roulang page: category2 */
:root{
  --c-primary:#14508C;
  --c-primary-600:#0F3E70;
  --c-primary-050:#EEF4FB;
  --c-accent:#F97316;
  --c-accent-600:#E1640A;
  --c-safe:#12857A;
  --c-danger:#D92D20;
  --c-ink:#101828;
  --c-body:#475467;
  --c-muted:#98A2B3;
  --c-line:#E4E7EC;
  --c-bg:#FFFFFF;
  --c-bg-soft:#F7F9FC;
  --c-dark:#0B2A4A;
  --sh-1:0 1px 2px rgba(16,24,40,.05);
  --sh-2:0 4px 12px rgba(16,24,40,.06);
  --sh-3:0 12px 32px rgba(16,24,40,.10);
  --r-card:16px;
  --r-img:12px;
  --r-btn:10px;
  --ease:cubic-bezier(.2,.7,.3,1);
  --font-cn:"PingFang SC","Microsoft YaHei","Hiragino Sans GB","Source Han Sans SC",system-ui,-apple-system,sans-serif;
}

/* ============ 基础 reset / base ============ */
*,
*::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:1.75;
  color:var(--c-body);
  background:var(--c-bg);
  letter-spacing:.01em;
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4,h5{
  color:var(--c-ink);
  font-weight:700;
  letter-spacing:.01em;
  margin:0 0 .6em;
  line-height:1.35;
}
h1{font-size:clamp(28px,4vw,44px);}
h2{font-size:clamp(22px,2.6vw,32px);}
h3{font-size:20px;font-weight:600;}
p{margin:0 0 1em;}
a{color:var(--c-primary);text-decoration:none;transition:color .2s var(--ease);}
a:hover{color:var(--c-primary-600);}
img{max-width:100%;display:block;height:auto;}
ul,ol{margin:0;padding:0;list-style:none;}
button{font-family:inherit;}
:focus-visible{outline:3px solid rgba(249,115,22,.28);outline-offset:2px;}
.num{font-variant-numeric:tabular-nums;font-feature-settings:"tnum";}

/* ============ 容器 ============ */
.container{
  width:100%;
  max-width:1200px;
  margin-inline:auto;
  padding-inline:24px;
}
@media (min-width:1400px){
  .container{max-width:1240px;}
}
.section{padding-block:88px;}
.section-sm{padding-block:64px;}
.section-soft{background:var(--c-bg-soft);}
@media (max-width:991px){
  .section{padding-block:64px;}
  .section-sm{padding-block:48px;}
}
@media (max-width:575px){
  .section{padding-block:48px;}
}

.sec-head{max-width:760px;margin-bottom:44px;}
.sec-head.center{margin-inline:auto;text-align:center;}
.sec-head p{margin-bottom:0;color:var(--c-body);font-size:16.5px;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12.5px;font-weight:600;letter-spacing:.06em;
  color:var(--c-primary);background:var(--c-primary-050);
  border-radius:999px;padding:6px 14px;margin-bottom:16px;
}

/* ============ 顶部信息条 ============ */
.topbar{
  background:var(--c-primary-050);
  border-bottom:1px solid var(--c-line);
  font-size:13px;
  color:var(--c-primary-600);
}
.topbar .container{
  min-height:34px;display:flex;align-items:center;justify-content:space-between;gap:16px;
}
.topbar-left{display:flex;align-items:center;gap:8px;}
.topbar-right{display:flex;align-items:center;gap:20px;}
.topbar-right a{color:var(--c-primary-600);}
.topbar-right a:hover{color:var(--c-primary);text-decoration:underline;}
@media (max-width:991px){
  .topbar{display:none;}
}

/* ============ Header / 导航 ============ */
.site-header{
  position:sticky;top:0;z-index:1030;
  background:#fff;
  border-bottom:1px solid var(--c-line);
  box-shadow:var(--sh-1);
}
.header-inner{
  display:flex;align-items:center;gap:24px;
  min-height:72px;
}
.brand{
  display:flex;align-items:center;gap:10px;
  font-weight:700;color:var(--c-ink);font-size:18px;white-space:nowrap;
}
.brand:hover{color:var(--c-primary);}
.brand-mark{
  display:inline-flex;align-items:center;justify-content:center;
  width:38px;height:38px;border-radius:11px;
  background:var(--c-primary);color:#fff;
  font-size:14px;font-weight:700;letter-spacing:.02em;
  box-shadow:0 4px 10px rgba(20,80,140,.28);
}
.nav-pills-custom{
  display:flex;align-items:center;gap:4px;
  margin-left:auto;flex-wrap:nowrap;
  overflow-x:auto;scrollbar-width:none;
}
.nav-pills-custom::-webkit-scrollbar{display:none;}
.nav-pills-custom a{
  padding:8px 14px;border-radius:8px;
  font-size:15px;color:var(--c-body);white-space:nowrap;
  border-bottom:2px solid transparent;
  transition:background .2s var(--ease),color .2s var(--ease);
}
.nav-pills-custom a:hover{background:var(--c-primary-050);color:var(--c-primary);}
.nav-pills-custom a.active{
  background:var(--c-primary-050);
  color:var(--c-primary);
  font-weight:600;
  border-bottom-color:var(--c-primary);
}
.header-cta{display:flex;align-items:center;gap:14px;margin-left:8px;}
.header-cta .ghost-link{font-size:14px;color:var(--c-body);}
.header-cta .ghost-link:hover{color:var(--c-primary);}
@media (max-width:1199px){
  .header-cta .ghost-link{display:none;}
}
@media (max-width:991px){
  .header-inner{flex-wrap:wrap;padding-block:12px;gap:10px;min-height:auto;}
  .nav-pills-custom{margin-left:0;width:100%;order:3;}
  .header-cta{margin-left:auto;}
  .nav-pills-custom a{font-size:14px;padding:8px 12px;}
}

/* ============ 按钮 ============ */
.btn-c{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 24px;
  border-radius:var(--r-btn);border:1px solid transparent;
  font-size:15.5px;font-weight:600;line-height:1;
  cursor:pointer;white-space:nowrap;
  transition:background .22s var(--ease),color .22s var(--ease),box-shadow .22s var(--ease),transform .22s var(--ease),border-color .22s var(--ease);
}
.btn-c i{font-size:14px;}
.btn-accent{background:var(--c-accent);color:#fff;box-shadow:0 6px 16px rgba(249,115,22,.22);}
.btn-accent:hover{background:var(--c-accent-600);color:#fff;box-shadow:0 10px 22px rgba(249,115,22,.28);}
.btn-accent:active{transform:translateY(1px);}
.btn-outline-c{background:#fff;color:var(--c-ink);border-color:#D0D5DD;}
.btn-outline-c:hover{background:var(--c-primary-050);color:var(--c-primary);border-color:#BFD3E8;}
.btn-outline-c:active{transform:translateY(1px);}
.btn-primary-c{background:var(--c-primary);color:#fff;}
.btn-primary-c:hover{background:var(--c-primary-600);color:#fff;box-shadow:var(--sh-2);}
.btn-ghost{background:transparent;color:var(--c-primary);}
.btn-ghost:hover{background:var(--c-primary-050);color:var(--c-primary-600);}
.btn-sm-c{height:44px;padding:0 18px;font-size:14.5px;}
.btn-lg-c{height:56px;padding:0 30px;font-size:16.5px;}
.btn-block-c{width:100%;}

/* ============ 徽章 / 标签 ============ */
.tag{
  display:inline-flex;align-items:center;gap:6px;
  border-radius:999px;padding:4px 12px;
  font-size:12.5px;font-weight:600;line-height:1.6;
}
.tag-primary{background:var(--c-primary-050);color:var(--c-primary);}
.tag-accent{background:#FFF2E7;color:var(--c-accent-600);}
.tag-safe{background:#E7F5F3;color:var(--c-safe);}
.tag-neutral{background:#F2F4F7;color:var(--c-body);}

/* ============ Hero ============ */
.hero{
  position:relative;
  padding-block:96px 80px;
  background:#fff;
  overflow:hidden;
}
.hero::before{
  content:"";
  position:absolute;inset:auto -120px 0 auto;
  width:52%;height:100%;
  background:var(--c-primary-050);
  clip-path:polygon(18% 0,100% 0,100% 100%,0 100%);
  z-index:0;
}
.hero::after{
  content:"";
  position:absolute;left:-40px;top:70px;width:220px;height:220px;
  background-image:radial-gradient(rgba(20,80,140,.20) 1.4px,transparent 1.4px);
  background-size:16px 16px;
  opacity:.7;z-index:0;
}
.hero .container{position:relative;z-index:1;}
.hero-grid{
  display:grid;grid-template-columns:minmax(0,7fr) minmax(0,5fr);
  gap:48px;align-items:center;
}
.hero h1{margin-bottom:18px;}
.hero h1 .hl{color:var(--c-primary);}
.hero-sub{
  font-size:17.5px;color:var(--c-body);margin-bottom:30px;max-width:560px;
}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:34px;}
.trust-row{
  display:flex;flex-wrap:wrap;align-items:center;gap:0 22px;
  padding-top:22px;border-top:1px dashed var(--c-line);
}
.trust-item{
  display:flex;align-items:center;gap:9px;
  font-size:14px;color:var(--c-body);padding-block:6px;
}
.trust-item i{color:var(--c-primary);font-size:15px;}
.trust-item strong{color:var(--c-ink);font-weight:600;}
.trust-divider{width:1px;height:26px;background:var(--c-line);}
@media (max-width:991px){
  .trust-divider{display:none;}
}
.hero-visual{position:relative;}
.hero-img-wrap{
  position:relative;border-radius:18px;overflow:hidden;
  aspect-ratio:16/10;box-shadow:var(--sh-3);
  background:var(--c-primary-050);
}
.hero-img-wrap img{width:100%;height:100%;object-fit:cover;}
.float-card{
  position:absolute;right:-14px;bottom:-20px;
  background:#fff;border:1px solid var(--c-line);border-radius:14px;
  box-shadow:var(--sh-3);padding:16px 18px;min-width:172px;
}
.float-card .fc-label{font-size:12.5px;color:var(--c-muted);display:block;margin-bottom:4px;}
.float-card .fc-value{font-size:22px;font-weight:700;color:var(--c-ink);line-height:1.3;}
.float-card .fc-note{font-size:12.5px;color:var(--c-safe);margin-top:6px;display:flex;align-items:center;gap:6px;}
@media (max-width:991px){
  .hero{padding-block:56px 64px;}
  .hero::before{width:100%;height:38%;inset:auto 0 0 0;clip-path:polygon(0 22%,100% 0,100% 100%,0 100%);}
  .hero-grid{grid-template-columns:1fr;gap:40px;}
  .hero-visual{max-width:560px;}
  .float-card{right:8px;bottom:-14px;}
}

/* ============ 卡片通用 ============ */
.card-c{
  background:#fff;border:1px solid var(--c-line);border-radius:var(--r-card);
  box-shadow:var(--sh-2);padding:26px;
  transition:box-shadow .22s var(--ease),transform .22s var(--ease);
  height:100%;
}
.card-c:hover{box-shadow:var(--sh-3);transform:translateY(-2px);}
.card-icon{
  width:46px;height:46px;border-radius:12px;
  display:inline-flex;align-items:center;justify-content:center;
  background:var(--c-primary-050);color:var(--c-primary);
  font-size:18px;margin-bottom:16px;
}
.card-c h3{margin-bottom:10px;}
.card-c p{margin-bottom:0;font-size:15px;}
.card-meta{
  margin-top:18px;padding-top:16px;border-top:1px dashed var(--c-line);
  font-size:13px;color:var(--c-muted);display:flex;align-items:center;gap:8px;
}
.grid-3{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px;}
.grid-2{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:24px;}
@media (max-width:991px){
  .grid-3{grid-template-columns:repeat(2,minmax(0,1fr));}
}
@media (max-width:575px){
  .grid-3,.grid-2{grid-template-columns:1fr;}
}

/* ============ 版本时间线 ============ */
.timeline{
  position:relative;
  padding-left:0;
}
.tl-item{
  position:relative;
  display:grid;grid-template-columns:64px minmax(0,1fr);
  gap:24px;
  padding-bottom:32px;
}
.tl-item:not(:last-child)::before{
  content:"";
  position:absolute;left:31px;top:64px;bottom:0;
  width:2px;background:linear-gradient(to bottom,var(--c-line),rgba(228,231,236,.35));
}
.tl-num{
  width:64px;height:64px;border-radius:18px;
  display:flex;align-items:center;justify-content:center;
  background:var(--c-primary);color:#fff;
  font-size:22px;font-weight:700;
  box-shadow:0 8px 18px rgba(20,80,140,.22);
  font-variant-numeric:tabular-nums;
}
.tl-item.is-latest .tl-num{background:var(--c-accent);box-shadow:0 8px 18px rgba(249,115,22,.26);}
.ver-card{
  background:#fff;border:1px solid var(--c-line);border-radius:var(--r-card);
  box-shadow:var(--sh-2);padding:24px 26px;
  transition:box-shadow .22s var(--ease),transform .22s var(--ease);
}
.ver-card:hover{box-shadow:var(--sh-3);transform:translateY(-2px);}
.ver-head{
  display:flex;flex-wrap:wrap;align-items:center;gap:12px;
  padding-bottom:14px;border-bottom:1px dashed var(--c-line);margin-bottom:16px;
}
.ver-no{
  font-size:20px;font-weight:700;color:var(--c-ink);
  font-variant-numeric:tabular-nums;letter-spacing:.02em;
}
.ver-date{font-size:13px;color:var(--c-muted);margin-left:auto;font-variant-numeric:tabular-nums;}
.ver-list{display:grid;gap:10px;margin-bottom:18px;}
.ver-list li{
  position:relative;padding-left:22px;font-size:15px;color:var(--c-body);
}
.ver-list li::before{
  content:"";
  position:absolute;left:4px;top:11px;
  width:7px;height:7px;border-radius:50%;
  background:var(--c-primary);opacity:.55;
}
.ver-spec{
  display:grid;grid-template-columns:repeat(3,minmax(0,1fr));
  gap:8px 20px;padding-top:16px;border-top:1px dashed var(--c-line);
}
.ver-spec div{
  display:flex;justify-content:space-between;gap:10px;
  font-size:13.5px;padding:5px 0;border-bottom:1px dotted var(--c-line);
}
.ver-spec dt,.ver-spec span:first-child{color:var(--c-muted);}
.ver-spec strong{color:var(--c-ink);font-weight:600;font-variant-numeric:tabular-nums;}
@media (max-width:767px){
  .tl-item{grid-template-columns:48px minmax(0,1fr);gap:16px;}
  .tl-num{width:48px;height:48px;border-radius:14px;font-size:17px;}
  .tl-item:not(:last-child)::before{left:23px;top:48px;}
  .ver-spec{grid-template-columns:1fr;}
  .ver-date{margin-left:0;width:100%;}
}

/* ============ 侧栏要点（双栏） ============ */
.split{
  display:grid;grid-template-columns:minmax(0,1.55fr) minmax(0,1fr);
  gap:36px;align-items:start;
}
.side-box{
  background:#fff;border:1px solid var(--c-line);border-radius:var(--r-card);
  box-shadow:var(--sh-2);padding:24px;
}
.side-box + .side-box{margin-top:20px;}
.side-box h3{font-size:17px;margin-bottom:14px;}
.pill-list{display:flex;flex-wrap:wrap;gap:10px;}
.pill-list span{
  border:1px solid var(--c-line);border-radius:999px;
  padding:6px 14px;font-size:13.5px;color:var(--c-body);background:var(--c-bg-soft);
}
.check-list{display:grid;gap:12px;}
.check-list li{display:flex;gap:10px;font-size:14.5px;color:var(--c-body);}
.check-list i{color:var(--c-safe);margin-top:5px;font-size:13px;}
.figure-card{
  overflow:hidden;border-radius:var(--r-card);border:1px solid var(--c-line);
  box-shadow:var(--sh-2);background:#fff;
}
.figure-card img{width:100%;aspect-ratio:16/9;object-fit:cover;}
.figure-card figcaption{padding:16px 20px;font-size:14px;color:var(--c-body);}
@media (max-width:991px){
  .split{grid-template-columns:1fr;gap:28px;}
}

/* ============ CTA 横条 ============ */
.cta-band{
  background:var(--c-dark);
  border-radius:20px;
  padding:44px;
  color:#fff;
  display:flex;align-items:center;justify-content:space-between;gap:32px;
  flex-wrap:wrap;
  position:relative;overflow:hidden;
}
.cta-band::after{
  content:"";
  position:absolute;right:-40px;top:-40px;width:200px;height:200px;
  background-image:radial-gradient(rgba(255,255,255,.18) 1.4px,transparent 1.4px);
  background-size:16px 16px;
}
.cta-band h2{color:#fff;font-size:clamp(20px,2.3vw,26px);margin-bottom:8px;}
.cta-band p{color:rgba(255,255,255,.78);margin-bottom:0;font-size:15px;max-width:560px;}
.cta-band .cta-actions{display:flex;flex-wrap:wrap;gap:14px;position:relative;z-index:1;}
.cta-band .btn-outline-light-c{
  background:transparent;color:#fff;border:1px solid rgba(255,255,255,.4);
  display:inline-flex;align-items:center;justify-content:center;height:48px;padding:0 22px;
  border-radius:var(--r-btn);font-size:15.5px;font-weight:600;
  transition:background .22s var(--ease),border-color .22s var(--ease);
}
.cta-band .btn-outline-light-c:hover{background:rgba(255,255,255,.12);border-color:#fff;color:#fff;}
@media (max-width:767px){
  .cta-band{padding:30px 24px;}
}

/* ============ FAQ ============ */
.faq-wrap{max-width:880px;margin-inline:auto;}
.accordion-item{
  border:1px solid var(--c-line) !important;
  border-radius:14px !important;
  margin-bottom:14px;overflow:hidden;
  background:#fff;
  box-shadow:var(--sh-1);
}
.accordion-button{
  font-size:16px;font-weight:600;color:var(--c-ink);
  background:#fff;padding:20px 22px;
  border-radius:14px !important;
  box-shadow:none !important;
  transition:background .22s var(--ease),color .22s var(--ease);
}
.accordion-button:not(.collapsed){
  background:var(--c-primary-050);
  color:var(--c-primary);
  box-shadow:inset 3px 0 0 var(--c-primary) !important;
}
.accordion-button::after{
  content:"+";
  background-image:none !important;
  font-size:20px;font-weight:400;color:var(--c-muted);
  width:24px;height:24px;display:flex;align-items:center;justify-content:center;
  line-height:1;transform:none;
  transition:color .2s var(--ease);
}
.accordion-button:not(.collapsed)::after{content:"−";color:var(--c-primary);transform:none;}
.accordion-button:hover{color:var(--c-primary);}
.accordion-body{
  padding:4px 22px 22px;font-size:15px;line-height:1.8;color:var(--c-body);
  background:#fff;
}

/* ============ 分类互链 ============ */
.cat-card{
  display:block;background:#fff;border:1px solid var(--c-line);border-radius:var(--r-card);
  padding:24px;box-shadow:var(--sh-2);height:100%;color:var(--c-body);
  transition:box-shadow .22s var(--ease),transform .22s var(--ease),border-color .22s var(--ease);
}
.cat-card:hover{box-shadow:var(--sh-3);transform:translateY(-2px);border-color:#CFE0F0;color:var(--c-body);}
.cat-card h3{font-size:17px;margin-bottom:8px;color:var(--c-ink);}
.cat-card p{font-size:14.5px;margin-bottom:14px;}
.cat-card .cat-more{font-size:14px;color:var(--c-primary);font-weight:600;display:inline-flex;align-items:center;gap:6px;}
.cat-card.is-current{background:var(--c-primary-050);border-color:#CFE0F0;}

/* ============ 页脚 ============ */
.site-footer{background:var(--c-dark);color:rgba(255,255,255,.74);padding-block:64px 0;margin-top:0;}
.footer-grid{
  display:grid;grid-template-columns:minmax(0,1.6fr) repeat(3,minmax(0,1fr));
  gap:40px;padding-bottom:44px;
}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px;}
.footer-brand .brand-mark{background:rgba(255,255,255,.12);box-shadow:none;}
.footer-brand strong{color:#fff;font-size:17px;}
.site-footer p{font-size:14px;line-height:1.8;margin-bottom:0;}
.footer-col h4{color:#fff;font-size:15px;margin-bottom:18px;}
.footer-col ul{display:grid;gap:11px;}
.footer-col a{color:rgba(255,255,255,.74);font-size:14px;}
.footer-col a:hover{color:#fff;text-decoration:underline;}
.footer-contact li{display:flex;gap:10px;font-size:14px;line-height:1.7;}
.footer-contact i{color:rgba(255,255,255,.5);margin-top:5px;font-size:13px;}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.12);
  padding-block:22px;
  display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;
  font-size:13px;color:rgba(255,255,255,.58);
}
@media (max-width:991px){
  .footer-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:32px;}
}
@media (max-width:575px){
  .footer-grid{grid-template-columns:1fr;}
}

/* roulang page: category1 */
:root{
  --c-primary:#14508C;
  --c-primary-600:#0F3E70;
  --c-primary-050:#EEF4FB;
  --c-accent:#F97316;
  --c-accent-600:#E1640A;
  --c-safe:#12857A;
  --c-ink:#101828;
  --c-body:#475467;
  --c-muted:#98A2B3;
  --c-line:#E4E7EC;
  --c-bg:#FFFFFF;
  --c-bg-soft:#F7F9FC;
  --c-dark:#0B2A4A;
  --c-danger:#D92D20;
  --r-card:16px;
  --r-img:12px;
  --r-btn:10px;
  --sh-1:0 1px 2px rgba(16,24,40,.05);
  --sh-2:0 4px 12px rgba(16,24,40,.06);
  --sh-3:0 12px 32px rgba(16,24,40,.10);
  --t:.22s cubic-bezier(.2,.7,.3,1);
  --nav-h:74px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:"PingFang SC","Microsoft YaHei","Hiragino Sans GB","Source Han Sans SC",system-ui,-apple-system,sans-serif;
  font-size:16px;
  line-height:1.75;
  color:var(--c-body);
  background:var(--c-bg);
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4,h5{color:var(--c-ink);font-weight:700;line-height:1.3;letter-spacing:.01em;margin:0}
p{margin:0}
a{color:var(--c-primary);text-decoration:none;transition:color var(--t)}
a:hover{color:var(--c-primary-600)}
img{max-width:100%;display:block}
ul{margin:0;padding:0;list-style:none}
button{font-family:inherit}
.num{font-variant-numeric:tabular-nums}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}
@media (min-width:1400px){.container{max-width:1240px}}
section{scroll-margin-top:96px}

/* ---------- 顶部信息条 ---------- */
.top-strip{
  background:var(--c-primary-050);
  border-bottom:1px solid var(--c-line);
  font-size:13px;
  color:var(--c-primary-600);
  height:34px;
  display:flex;
  align-items:center;
}
.top-strip .container{display:flex;align-items:center;justify-content:space-between;gap:16px}
.top-strip .ts-left{display:flex;align-items:center;gap:8px}
.top-strip .ts-right{display:flex;align-items:center;gap:20px}
.top-strip a{color:var(--c-primary-600)}
.top-strip a:hover{color:var(--c-accent-600)}
@media (max-width:991.98px){.top-strip{display:none}}

/* ---------- 导航 ---------- */
.site-header{
  position:sticky;
  top:0;
  z-index:1030;
  background:#fff;
  border-bottom:1px solid var(--c-line);
}
.nav-wrap{
  min-height:var(--nav-h);
  display:flex;
  align-items:center;
  gap:24px;
  justify-content:space-between;
}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.brand-mark{
  width:38px;height:38px;border-radius:11px;
  background:var(--c-primary);
  color:#fff;
  display:inline-flex;align-items:center;justify-content:center;
  font-weight:700;font-size:15px;letter-spacing:.02em;
  box-shadow:var(--sh-1);
}
.brand-text{display:flex;flex-direction:column;line-height:1.15}
.brand-text strong{font-size:16.5px;color:var(--c-ink);font-weight:700}
.brand-text small{font-size:11.5px;color:var(--c-muted);letter-spacing:.04em}
.nav-pills-custom{display:flex;align-items:center;gap:4px;flex-wrap:wrap}
.nav-pills-custom a{
  display:inline-block;
  padding:8px 14px;
  border-radius:8px;
  font-size:15px;
  color:var(--c-body);
  font-weight:500;
  border-bottom:2px solid transparent;
}
.nav-pills-custom a:hover{background:var(--c-bg-soft);color:var(--c-primary)}
.nav-pills-custom a.active{
  background:var(--c-primary-050);
  color:var(--c-primary);
  border-bottom-color:var(--c-primary);
  font-weight:600;
}
.nav-actions{display:flex;align-items:center;gap:14px;flex:0 0 auto}
.nav-actions .link-quiet{font-size:14.5px;color:var(--c-body);font-weight:500}
.nav-actions .link-quiet:hover{color:var(--c-primary)}
.btn-ghost-nav{
  display:inline-flex;align-items:center;gap:6px;
  font-size:14.5px;color:var(--c-primary);font-weight:600;
  padding:8px 10px;border-radius:8px;
}
.btn-ghost-nav:hover{background:var(--c-primary-050)}
.burger{
  display:none;
  width:42px;height:42px;border:1px solid var(--c-line);
  border-radius:10px;background:#fff;
  align-items:center;justify-content:center;
  cursor:pointer;
}
.burger span{display:block;width:18px;height:2px;background:var(--c-ink);border-radius:2px;position:relative}
.burger span::before,.burger span::after{
  content:"";position:absolute;left:0;width:18px;height:2px;background:var(--c-ink);border-radius:2px;
}
.burger span::before{top:-6px}
.burger span::after{top:6px;width:12px}
@media (max-width:991.98px){
  .nav-pills-custom{display:none}
  .nav-actions .link-quiet{display:none}
  .burger{display:inline-flex}
}

/* ---------- offcanvas ---------- */
.offcanvas{width:320px !important;border-left:1px solid var(--c-line)}
.offcanvas-header{border-bottom:1px solid var(--c-line);padding:18px 20px}
.offcanvas-body{padding:20px}
.oc-group-title{font-size:12.5px;color:var(--c-muted);letter-spacing:.08em;margin:6px 0 10px}
.oc-nav{display:flex;flex-direction:column;gap:6px;margin-bottom:24px}
.oc-nav a{
  padding:11px 14px;border-radius:10px;font-size:15px;color:var(--c-body);font-weight:500;
  border:1px solid transparent;
}
.oc-nav a:hover{background:var(--c-bg-soft)}
.oc-nav a.active{background:var(--c-primary-050);color:var(--c-primary);border-color:#CFE0F2;font-weight:600}
.oc-foot{margin-top:auto}

/* ---------- 按钮 ---------- */
.btn-main,.btn-sub,.btn-ghost,.btn-download{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border-radius:var(--r-btn);
  font-weight:600;
  font-size:15.5px;
  transition:all var(--t);
  cursor:pointer;
  border:1px solid transparent;
  text-align:center;
}
.btn-main{background:var(--c-accent);color:#fff;height:48px;padding:0 24px;box-shadow:0 2px 8px rgba(249,115,22,.24)}
.btn-main:hover{background:var(--c-accent-600);color:#fff;box-shadow:var(--sh-3);transform:translateY(-1px)}
.btn-main:active{transform:translateY(1px);box-shadow:var(--sh-1)}
.btn-sub{background:#fff;color:var(--c-ink);border-color:#D0D5DD;height:48px;padding:0 22px}
.btn-sub:hover{background:var(--c-primary-050);border-color:#BFD4EC;color:var(--c-primary)}
.btn-ghost{background:transparent;color:var(--c-primary);height:44px;padding:0 14px}
.btn-ghost:hover{background:var(--c-primary-050)}
.btn-download{background:var(--c-accent);color:#fff;height:56px;padding:0 32px;font-size:17px}
.btn-download:hover{background:var(--c-accent-600);color:#fff;transform:translateY(-1px);box-shadow:0 12px 26px rgba(249,115,22,.32)}
.btn-main:focus-visible,.btn-sub:focus-visible,.btn-ghost:focus-visible,.btn-download:focus-visible,.burger:focus-visible{
  outline:none;box-shadow:0 0 0 3px rgba(249,115,22,.28);
}
.btn-sm-main{height:44px;padding:0 20px;font-size:14.5px;background:var(--c-accent);color:#fff;border-radius:var(--r-btn)}

/* ---------- Hero ---------- */
.hero{
  position:relative;
  background:#fff;
  padding:72px 0 80px;
  overflow:hidden;
}
.hero::after{
  content:"";
  position:absolute;
  right:-140px;top:-60px;
  width:620px;height:520px;
  background:var(--c-primary-050);
  border-radius:120px;
  transform:rotate(-12deg);
  z-index:0;
}
.hero .container{position:relative;z-index:1}
.hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:56px;align-items:center}
.crumbs{display:flex;align-items:center;gap:8px;font-size:13.5px;color:var(--c-muted);margin-bottom:18px;flex-wrap:wrap}
.crumbs a{color:var(--c-body)}
.crumbs a:hover{color:var(--c-primary)}
.crumbs span.sep{color:#CDD5DF}
.hero h1{font-size:clamp(28px,4vw,44px);margin-bottom:16px}
.hero-sub{font-size:17px;color:var(--c-body);max-width:520px;margin-bottom:28px}
.hero-cta{display:flex;gap:14px;flex-wrap:wrap;margin-bottom:30px}
.trust-row{display:flex;align-items:center;gap:0;flex-wrap:wrap}
.trust-item{display:flex;align-items:center;gap:8px;font-size:13.5px;color:var(--c-body);padding:0 16px}
.trust-item:first-child{padding-left:0}
.trust-item i{color:var(--c-safe);font-size:13px}
.trust-item b{color:var(--c-ink);font-weight:600}
.trust-divider{width:1px;height:18px;background:var(--c-line)}
.hero-visual{position:relative}
.hero-img{
  width:100%;
  aspect-ratio:16/10;
  object-fit:cover;
  border-radius:var(--r-card);
  box-shadow:var(--sh-3);
  background:var(--c-bg-soft);
}
.float-card{
  position:absolute;
  left:-18px;bottom:-24px;
  background:#fff;
  border:1px solid var(--c-line);
  border-radius:14px;
  box-shadow:var(--sh-3);
  padding:14px 18px;
  display:flex;align-items:center;gap:14px;
}
.float-card .fc-num{font-size:22px;font-weight:700;color:var(--c-primary);font-variant-numeric:tabular-nums}
.float-card .fc-label{font-size:12.5px;color:var(--c-muted)}
.stars{color:var(--c-accent);font-size:12.5px;letter-spacing:1px}
@media (max-width:991.98px){
  .hero{padding:48px 0 56px}
  .hero::after{width:420px;height:360px;right:-160px;top:-40px;border-radius:90px}
  .hero-grid{grid-template-columns:1fr;gap:40px}
  .hero-sub{max-width:none}
  .float-card{left:12px;bottom:-18px}
}
@media (max-width:575.98px){
  .hero-cta .btn-main,.hero-cta .btn-sub{width:100%}
  .trust-item{padding:0 12px}
  .trust-item:first-child{padding-left:0}
}

/* ---------- 通用板块 ---------- */
.section{padding:88px 0}
.section.soft{background:var(--c-bg-soft)}
.section-head{max-width:720px;margin-bottom:44px}
.section-head.center{margin-left:auto;margin-right:auto;text-align:center}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12.5px;font-weight:600;letter-spacing:.06em;
  color:var(--c-primary);background:var(--c-primary-050);
  padding:6px 12px;border-radius:999px;margin-bottom:14px;
}
.section-head h2{font-size:clamp(22px,2.6vw,32px);margin-bottom:12px}
.section-head p{font-size:15.5px;color:var(--c-body)}
@media (max-width:991.98px){.section{padding:64px 0}}
@media (max-width:575.98px){
  .section{padding:48px 0}
  .section-head{margin-bottom:32px}
}

/* ---------- 双栏主体 ---------- */
.split-grid{display:grid;grid-template-columns:minmax(0,1fr) 330px;gap:32px;align-items:start}
.big-card{
  background:#fff;
  border:1px solid var(--c-line);
  border-radius:var(--r-card);
  box-shadow:var(--sh-2);
  padding:26px 28px;
  margin-bottom:22px;
  transition:box-shadow var(--t),transform var(--t);
  position:relative;
}
.big-card:hover{box-shadow:var(--sh-3);transform:translateY(-2px)}
.big-card:last-child{margin-bottom:0}
.bc-top{display:flex;align-items:center;gap:14px;margin-bottom:14px}
.bc-index{
  flex:0 0 auto;
  width:42px;height:42px;border-radius:12px;
  background:var(--c-primary-050);color:var(--c-primary);
  display:inline-flex;align-items:center;justify-content:center;
  font-weight:700;font-size:16px;font-variant-numeric:tabular-nums;
}
.big-card h3{font-size:19px}
.big-card p{font-size:15px;margin-bottom:14px}
.mini-list{display:flex;flex-direction:column;gap:10px;border-top:1px dashed var(--c-line);padding-top:14px}
.mini-list li{display:flex;gap:10px;font-size:14.5px;color:var(--c-body);line-height:1.7}
.mini-list li i{color:var(--c-safe);margin-top:5px;font-size:13px}
.bc-tags{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:14px}
.tag{
  font-size:12.5px;font-weight:600;color:var(--c-primary);
  background:var(--c-primary-050);border-radius:999px;padding:4px 11px;
}
.tag.safe{color:var(--c-safe);background:#E7F5F2}
.tag.warm{color:var(--c-accent-600);background:#FFF3E8}

/* 侧栏 */
.side{position:sticky;top:96px;display:flex;flex-direction:column;gap:20px}
.side-card{
  background:#fff;border:1px solid var(--c-line);border-radius:var(--r-card);
  box-shadow:var(--sh-2);padding:22px;
}
.side-card h4{font-size:15.5px;margin-bottom:14px;display:flex;align-items:center;gap:8px}
.side-card h4 i{color:var(--c-primary);font-size:14px}
.pill-filter{display:flex;flex-wrap:wrap;gap:8px}
.pill-filter a{
  font-size:13.5px;font-weight:600;color:var(--c-body);
  background:var(--c-bg-soft);border:1px solid var(--c-line);
  border-radius:999px;padding:7px 14px;transition:all var(--t);
}
.pill-filter a:hover{background:var(--c-primary-050);color:var(--c-primary);border-color:#CFE0F2}
.pill-filter a.on{background:var(--c-primary);color:#fff;border-color:var(--c-primary)}
.check-list{display:flex;flex-direction:column}
.check-list li{
  display:flex;gap:10px;font-size:14px;padding:11px 0;
  border-bottom:1px dashed var(--c-line);
}
.check-list li:last-child{border-bottom:none;padding-bottom:0}
.check-list li i{color:var(--c-safe);margin-top:5px;font-size:13px}
.side-cta{background:var(--c-dark);border:none}
.side-cta h4{color:#fff}
.side-cta h4 i{color:#7FB2E4}
.side-cta p{color:#C9D8E8;font-size:14px;margin-bottom:16px}
.side-cta .btn-main{width:100%;height:44px}
.side-cta .side-note{font-size:12.5px;color:#8FA8C4;margin:12px 0 0}
@media (max-width:1199.98px){
  .split-grid{grid-template-columns:1fr}
  .side{position:static;flex-direction:row;flex-wrap:wrap}
  .side > *{flex:1 1 300px}
}
@media (max-width:575.98px){
  .side{flex-direction:column}
  .big-card{padding:22px 20px}
}

/* ---------- 场景卡片 ---------- */
.grid-3{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px}
.cover-card{
  background:#fff;border:1px solid var(--c-line);border-radius:var(--r-card);
  box-shadow:var(--sh-2);overflow:hidden;display:flex;flex-direction:column;
  transition:box-shadow var(--t),transform var(--t);
}
.cover-card:hover{box-shadow:var(--sh-3);transform:translateY(-2px)}
.cover-card .thumb{
  width:100%;aspect-ratio:16/9;object-fit:cover;background:var(--c-bg-soft);
}
.cover-card .body{padding:22px;display:flex;flex-direction:column;gap:12px;flex:1}
.cover-card h3{font-size:18px}
.cover-card p{font-size:14.5px;flex:1}
.card-meta{display:flex;align-items:center;justify-content:space-between;font-size:13px;color:var(--c-muted);border-top:1px dashed var(--c-line);padding-top:12px}
.card-meta i{color:var(--c-primary)}
@media (max-width:991.98px){.grid-3{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media (max-width:575.98px){.grid-3{grid-template-columns:1fr}}

/* ---------- 准备清单 ---------- */
.prep-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:24px}
.def-card{
  background:#fff;border:1px solid var(--c-line);border-radius:var(--r-card);
  box-shadow:var(--sh-2);padding:26px 28px;
}
.def-card h3{font-size:18px;margin-bottom:16px;display:flex;align-items:center;gap:10px}
.def-card h3 i{color:var(--c-primary)}
.def-list{display:flex;flex-direction:column}
.def-row{
  display:flex;justify-content:space-between;gap:16px;
  padding:12px 0;border-bottom:1px dashed var(--c-line);font-size:14.5px;
}
.def-row:last-child{border-bottom:none;padding-bottom:0}
.def-row dt{color:var(--c-muted)}
.def-row dd{margin:0;color:var(--c-ink);font-weight:600;text-align:right;font-variant-numeric:tabular-nums}
@media (max-width:767.98px){.prep-grid{grid-template-columns:1fr}}

/* ---------- 中部 CTA ---------- */
.cta-band{
  background:var(--c-dark);
  border-radius:20px;
  padding:44px 48px;
  display:flex;align-items:center;justify-content:space-between;gap:32px;
  position:relative;overflow:hidden;
}
.cta-band::after{
  content:"";position:absolute;right:-60px;top:-60px;width:260px;height:260px;
  border-radius:50%;background:rgba(255,255,255,.04);
}
.cta-band .cta-copy{position:relative;z-index:1;max-width:640px}
.cta-band h3{color:#fff;font-size:clamp(20px,2.2vw,26px);margin-bottom:10px}
.cta-band p{color:#C9D8E8;font-size:15px}
.cta-band .cta-actions{position:relative;z-index:1;display:flex;gap:14px;flex-wrap:wrap}
.btn-on-dark{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 24px;border-radius:var(--r-btn);
  background:transparent;color:#fff;border:1px solid rgba(255,255,255,.35);
  font-weight:600;font-size:15.5px;transition:all var(--t);
}
.btn-on-dark:hover{background:rgba(255,255,255,.10);color:#fff;border-color:rgba(255,255,255,.55)}
@media (max-width:767.98px){
  .cta-band{flex-direction:column;align-items:flex-start;padding:32px 24px;border-radius:16px}
  .cta-band .cta-actions{width:100%}
  .cta-band .cta-actions .btn-main,.cta-band .cta-actions .btn-on-dark{width:100%}
}

/* ---------- FAQ ---------- */
.faq-wrap{max-width:860px;margin:0 auto}
.faq.accordion{--bs-accordion-border-color:var(--c-line)}
.faq .accordion-item{
  background:#fff;border:1px solid var(--c-line);border-radius:14px !important;
  margin-bottom:14px;overflow:hidden;box-shadow:var(--sh-1);
}
.faq .accordion-item:last-child{margin-bottom:0}
.faq .accordion-button{
  font-size:16px;font-weight:600;color:var(--c-ink);
  background:#fff;padding:20px 24px;gap:16px;
  border-radius:14px !important;box-shadow:none !important;
  display:flex;align-items:center;
  border-left:3px solid transparent;
}
.faq .accordion-button:not(.collapsed){
  color:var(--c-primary);
  background:#fff;
  border-left:3px solid var(--c-primary);
}
.faq .accordion-button:focus{box-shadow:none;outline:none}
.faq .accordion-button::after{display:none}
.faq-tog{
  flex:0 0 22px;width:22px;height:22px;margin-left:auto;position:relative;
  border:1px solid var(--c-line);border-radius:50%;background:#fff;
}
.faq-tog::before,.faq-tog::after{
  content:"";position:absolute;left:50%;top:50%;background:var(--c-primary);border-radius:1px;
  transform:translate(-50%,-50%);
}
.faq-tog::before{width:10px;height:2px}
.faq-tog::after{width:2px;height:10px;transition:transform var(--t),opacity var(--t)}
.faq .accordion-button:not(.collapsed) .faq-tog{background:var(--c-primary);border-color:var(--c-primary)}
.faq .accordion-button:not(.collapsed) .faq-tog::before{background:#fff}
.faq .accordion-button:not(.collapsed) .faq-tog::after{opacity:0;transform:translate(-50%,-50%) scaleY(0)}
.faq .accordion-body{
  padding:0 24px 22px 27px;font-size:15px;line-height:1.85;color:var(--c-body);
}

/* ---------- 其它分类 ---------- */
.more-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px}
.more-card{
  display:flex;flex-direction:column;gap:12px;
  background:#fff;border:1px solid var(--c-line);border-radius:var(--r-card);
  padding:24px;box-shadow:var(--sh-2);transition:all var(--t);
}
.more-card:hover{border-color:#CFE0F2;box-shadow:var(--sh-3);transform:translateY(-2px)}
.more-card .mc-icon{
  width:44px;height:44px;border-radius:12px;background:var(--c-primary-050);
  color:var(--c-primary);display:inline-flex;align-items:center;justify-content:center;font-size:17px;
}
.more-card h3{font-size:17px}
.more-card p{font-size:14.5px;flex:1}
.more-card .mc-link{font-size:14px;font-weight:600;color:var(--c-primary);display:inline-flex;align-items:center;gap:6px}
.more-card .mc-link i{font-size:12px;transition:transform var(--t)}
.more-card:hover .mc-link i{transform:translateX(3px)}
@media (max-width:991.98px){.more-grid{grid-template-columns:1fr}}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--c-dark);color:#B9CADE;padding:64px 0 0;margin-top:0}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.3fr;gap:40px;padding-bottom:44px}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px}
.footer-brand .brand-mark{background:rgba(255,255,255,.12);color:#fff}
.footer-brand strong{color:#fff;font-size:16.5px}
.site-footer p{font-size:14px;line-height:1.8;color:#9FB4CB}
.footer-col h4{color:#fff;font-size:15px;margin-bottom:16px;font-weight:600}
.footer-col ul li{margin-bottom:11px}
.footer-col a{color:#B9CADE;font-size:14px}
.footer-col a:hover{color:#fff;text-decoration:underline}
.footer-contact li{display:flex;gap:10px;font-size:14px;color:#9FB4CB;margin-bottom:12px;line-height:1.7}
.footer-contact i{color:#5E8CC0;margin-top:5px;font-size:13px}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.12);
  padding:20px 0;display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13px;color:#8FA6BF;
}
@media (max-width:991.98px){
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
}
@media (max-width:575.98px){
  .footer-grid{grid-template-columns:1fr;gap:28px;padding-bottom:32px}
  .site-footer{padding-top:48px}
  .footer-bottom{flex-direction:column;font-size:12.5px}
}

/* roulang page: category3 */
:root{
  --c-primary:#14508C;
  --c-primary-600:#0F3E70;
  --c-primary-050:#EEF4FB;
  --c-accent:#F97316;
  --c-accent-600:#E1640A;
  --c-safe:#12857A;
  --c-ink:#101828;
  --c-body:#475467;
  --c-muted:#98A2B3;
  --c-line:#E4E7EC;
  --c-bg:#FFFFFF;
  --c-bg-soft:#F7F9FC;
  --c-dark:#0B2A4A;
  --c-danger:#D92D20;
  --r-card:16px;
  --r-img:12px;
  --r-btn:10px;
  --sh-1:0 1px 2px rgba(16,24,40,.05);
  --sh-2:0 4px 12px rgba(16,24,40,.06);
  --sh-3:0 12px 32px rgba(16,24,40,.10);
  --t:.22s cubic-bezier(.2,.7,.3,1);
}

*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:"PingFang SC","Microsoft YaHei","Hiragino Sans GB","Source Han Sans SC",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16px;line-height:1.7;color:var(--c-body);background:var(--c-bg);
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4{margin:0;color:var(--c-ink);font-weight:700;line-height:1.3;letter-spacing:.01em}
h1{font-size:clamp(28px,4vw,44px)}
h2{font-size:clamp(22px,2.6vw,32px);font-weight:700}
h3{font-size:20px}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
img{max-width:100%;display:block}
a{color:var(--c-primary);text-decoration:none;transition:color var(--t)}
a:hover{color:var(--c-primary-600)}
button,input,textarea,select{font-family:inherit}
:focus-visible{outline:none;box-shadow:0 0 0 3px rgba(249,115,22,.28)}
.num{font-variant-numeric:tabular-nums;font-feature-settings:"tnum"}

.container{width:100%;max-width:1240px;margin:0 auto;padding:0 24px}

/* ===== 顶部信息条 ===== */
.topbar{background:var(--c-primary-050);border-bottom:1px solid var(--c-line);height:34px;display:flex;align-items:center;font-size:13px;color:var(--c-primary-600)}
.topbar-inner{display:flex;align-items:center;justify-content:space-between;gap:16px;width:100%}
.topbar-note{display:inline-flex;align-items:center;gap:8px;color:var(--c-primary-600)}
.topbar-links{display:flex;align-items:center;gap:20px}
.topbar-links a{color:var(--c-primary-600);display:inline-flex;align-items:center;gap:6px;font-size:13px}
.topbar-links a:hover{color:var(--c-accent-600)}

/* ===== 头部导航 ===== */
.site-header{
  position:sticky;top:0;z-index:1030;background:#fff;border-bottom:1px solid var(--c-line);
  transition:box-shadow var(--t);
}
.site-header.is-scrolled{box-shadow:var(--sh-2)}
.header-inner{display:flex;align-items:center;gap:22px;height:74px}
.brand{display:inline-flex;align-items:center;gap:12px;flex:0 0 auto}
.brand-mark{
  width:40px;height:40px;border-radius:12px;background:var(--c-primary);color:#fff;
  display:inline-flex;align-items:center;justify-content:center;font-weight:700;font-size:15px;
  letter-spacing:.02em;box-shadow:var(--sh-1);
}
.brand-text{font-size:18px;font-weight:700;color:var(--c-ink);letter-spacing:.01em}
.nav-pills-custom{display:flex;align-items:center;gap:4px;margin-left:12px}
.nav-pills-custom a{
  position:relative;display:inline-flex;align-items:center;height:40px;padding:0 14px;border-radius:8px;
  font-size:15px;font-weight:500;color:var(--c-body);
}
.nav-pills-custom a:hover{background:var(--c-bg-soft);color:var(--c-primary)}
.nav-pills-custom a.active{background:var(--c-primary-050);color:var(--c-primary);font-weight:600}
.nav-pills-custom a.active::after{
  content:"";position:absolute;left:14px;right:14px;bottom:4px;height:2px;border-radius:2px;background:var(--c-primary);
}
.header-actions{margin-left:auto;display:flex;align-items:center;gap:10px}
.nav-toggle{
  display:none;width:44px;height:44px;border-radius:12px;border:1px solid var(--c-line);background:#fff;
  color:var(--c-ink);font-size:17px;align-items:center;justify-content:center;cursor:pointer;transition:var(--t);
}
.nav-toggle:hover{border-color:#B9C6D6;color:var(--c-primary);background:var(--c-bg-soft)}

/* ===== 按钮 ===== */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;height:48px;padding:0 22px;
  border-radius:var(--r-btn);border:1px solid transparent;font-size:15px;font-weight:600;cursor:pointer;
  white-space:nowrap;transition:transform var(--t),box-shadow var(--t),background-color var(--t),color var(--t),border-color var(--t);
}
.btn:active{transform:translateY(1px)}
.btn-main{background:var(--c-accent);color:#fff;box-shadow:var(--sh-2)}
.btn-main:hover{background:var(--c-accent-600);color:#fff;box-shadow:var(--sh-3)}
.btn-second{background:#fff;color:var(--c-ink);border-color:#D0D5DD}
.btn-second:hover{background:var(--c-primary-050);border-color:#B9C6D6;color:var(--c-primary-600)}
.btn-ghost{background:transparent;color:var(--c-primary);padding:0 12px}
.btn-ghost:hover{background:var(--c-primary-050)}
.btn-primary-solid{background:var(--c-primary);color:#fff}
.btn-primary-solid:hover{background:var(--c-primary-600);color:#fff;box-shadow:var(--sh-3)}
.btn-outline-light{background:transparent;color:#fff;border-color:rgba(255,255,255,.55)}
.btn-outline-light:hover{background:rgba(255,255,255,.12);color:#fff}
.btn-sm{height:44px;padding:0 18px;font-size:14px}
.btn-lg{height:56px;padding:0 30px;font-size:16px}

/* ===== 通用板块 ===== */
.section{padding:88px 0}
.section-soft{background:var(--c-bg-soft)}
.section-head{max-width:760px;margin-bottom:44px}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;height:30px;padding:0 12px;border-radius:999px;
  background:var(--c-primary-050);color:var(--c-primary);font-size:12.5px;font-weight:600;letter-spacing:.02em;
  margin-bottom:16px;
}
.section-head p{margin-top:14px;font-size:16px;color:var(--c-body)}
.badge-chip{
  display:inline-flex;align-items:center;gap:6px;height:28px;padding:0 12px;border-radius:999px;
  background:var(--c-primary-050);color:var(--c-primary);font-size:12.5px;font-weight:600;
}
.badge-safe{display:inline-flex;align-items:center;gap:6px;height:28px;padding:0 12px;border-radius:999px;background:rgba(18,133,122,.12);color:var(--c-safe);font-size:12.5px;font-weight:600}

/* ===== 分类页首屏 ===== */
.page-hero{position:relative;overflow:hidden;background:var(--c-dark);padding:84px 0 88px;color:#fff}
.page-hero .hero-photo{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;opacity:.34}
.page-hero .hero-veil{
  position:absolute;inset:0;
  background:linear-gradient(100deg,rgba(11,42,74,.95) 0%,rgba(11,42,74,.82) 50%,rgba(11,42,74,.55) 100%);
}
.hero-inner{position:relative;z-index:2;display:grid;grid-template-columns:1.15fr .85fr;gap:52px;align-items:center}
.page-hero h1{color:#fff}
.hero-crumb{font-size:13.5px;color:rgba(255,255,255,.68);margin-bottom:16px;display:flex;align-items:center;gap:8px}
.hero-crumb a{color:rgba(255,255,255,.68)}
.hero-crumb a:hover{color:#fff}
.hero-lead{margin-top:20px;font-size:16.5px;color:rgba(255,255,255,.82);max-width:560px}
.hero-cta{margin-top:30px;display:flex;flex-wrap:wrap;gap:14px}
.hero-badges{margin-top:34px;display:flex;flex-wrap:wrap;gap:12px 26px;font-size:14px;color:rgba(255,255,255,.85)}
.hero-badges li{display:inline-flex;align-items:center;gap:8px}
.hero-badges i{color:#6ED3C5}

.hero-card{
  background:#fff;border-radius:var(--r-card);box-shadow:var(--sh-3);padding:26px;color:var(--c-body);
}
.hero-card-head{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:6px}
.hero-card-head h3{font-size:16px}
.hero-card .hint{font-size:12.5px;color:var(--c-muted);margin-bottom:10px}

/* 定义列表 */
.def-list{margin-top:6px}
.def-list li{
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:13px 0;border-bottom:1px dashed var(--c-line);font-size:14.5px;
}
.def-list li:last-child{border-bottom:none;padding-bottom:0}
.def-list .k{color:var(--c-muted)}
.def-list .v{color:var(--c-ink);font-weight:600}
.def-good{color:var(--c-safe) !important}

/* ===== 卡片网格 ===== */
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:24px}
.card-soft{
  display:flex;flex-direction:column;height:100%;background:#fff;border:1px solid var(--c-line);
  border-radius:var(--r-card);box-shadow:var(--sh-2);overflow:hidden;
  transition:transform var(--t),box-shadow var(--t),border-color var(--t);
}
.card-soft:hover{transform:translateY(-2px);box-shadow:var(--sh-3);border-color:#D6DEE9}
.card-media{aspect-ratio:16 / 9;background:var(--c-primary-050);overflow:hidden}
.card-media img{width:100%;height:100%;object-fit:cover}
.card-body{padding:24px;display:flex;flex-direction:column;gap:12px;flex:1}
.card-body h3{font-size:19px}
.card-body p{font-size:15px}
.card-meta{
  margin-top:auto;padding-top:14px;border-top:1px solid var(--c-line);
  display:flex;align-items:center;gap:8px;font-size:13px;color:var(--c-muted);
}
.card-icon{
  width:46px;height:46px;border-radius:14px;background:var(--c-primary-050);color:var(--c-primary);
  display:inline-flex;align-items:center;justify-content:center;font-size:18px;
}
.card-plain{padding:28px;gap:14px}

/* ===== 步骤列表 ===== */
.steps-list li{display:flex;gap:14px;padding:14px 0;border-bottom:1px dashed var(--c-line);font-size:15px}
.steps-list li:last-child{border-bottom:none;padding-bottom:0}
.steps-list .step-no{
  flex:0 0 28px;width:28px;height:28px;border-radius:999px;background:var(--c-primary);color:#fff;
  display:inline-flex;align-items:center;justify-content:center;font-size:13px;font-weight:700;margin-top:3px;
}

/* ===== CTA 横条 ===== */
.cta-band{
  background:var(--c-dark);border-radius:20px;padding:40px 44px;color:#fff;
  display:flex;align-items:center;justify-content:space-between;gap:32px;flex-wrap:wrap;
}
.cta-band h2{color:#fff;font-size:clamp(20px,2.2vw,26px)}
.cta-band p{margin-top:10px;color:rgba(255,255,255,.78);font-size:15px;max-width:620px}
.cta-actions{display:flex;gap:12px;flex-wrap:wrap}

/* ===== 表单 ===== */
.form-card{
  background:#fff;border:1px solid var(--c-line);border-radius:var(--r-card);box-shadow:var(--sh-2);padding:32px;
}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:20px}
.field{display:flex;flex-direction:column;gap:8px;margin-bottom:20px}
.field label{font-size:14px;font-weight:600;color:var(--c-ink)}
.field .tip{font-size:12.5px;color:var(--c-muted)}
.form-control,.form-select{
  width:100%;height:44px;padding:0 14px;border:1px solid #D0D5DD;border-radius:10px;background:#fff;
  font-size:15px;color:var(--c-ink);transition:border-color var(--t),box-shadow var(--t);
}
textarea.form-control{height:auto;min-height:128px;padding:12px 14px;line-height:1.7;resize:vertical}
.form-control::placeholder{color:var(--c-muted)}
.form-control:focus,.form-select:focus{outline:none;border-color:var(--c-primary);box-shadow:0 0 0 3px rgba(20,80,140,.14)}
.form-foot{display:flex;align-items:center;gap:16px;flex-wrap:wrap}
.form-foot .tip{font-size:13px;color:var(--c-muted)}
.form-side{display:flex;flex-direction:column;gap:18px}
.side-item{display:flex;gap:14px;align-items:flex-start}
.side-item i{
  flex:0 0 40px;width:40px;height:40px;border-radius:12px;background:var(--c-primary-050);color:var(--c-primary);
  display:inline-flex;align-items:center;justify-content:center;font-size:16px;
}
.side-item h4{font-size:15.5px;margin-bottom:4px}
.side-item p{font-size:14px}

/* ===== FAQ ===== */
.faq .accordion-item{
  border:1px solid var(--c-line);border-radius:14px;overflow:hidden;margin-bottom:14px;background:#fff;box-shadow:var(--sh-1);
}
.faq .accordion-button{
  display:flex;align-items:center;gap:14px;width:100%;padding:20px 22px;font-size:16px;font-weight:600;
  color:var(--c-ink);background:#fff;box-shadow:none;border-left:3px solid transparent;
}
.faq .accordion-button:not(.collapsed){color:var(--c-primary);background:#fff;border-left-color:var(--c-primary);box-shadow:none}
.faq .accordion-button:focus{box-shadow:none;outline:none}
.faq .accordion-button::after{display:none}
.faq .sign{
  position:relative;flex:0 0 24px;width:24px;height:24px;margin-left:auto;border-radius:999px;background:var(--c-primary-050);
}
.faq .sign::before,.faq .sign::after{
  content:"";position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);
  background:var(--c-primary);border-radius:2px;
}
.faq .sign::before{width:11px;height:2px}
.faq .sign::after{width:2px;height:11px;transition:opacity var(--t),transform var(--t)}
.faq .accordion-button:not(.collapsed) .sign::after{opacity:0;transform:translate(-50%,-50%) rotate(90deg)}
.faq .accordion-body{padding:0 22px 22px 22px;font-size:15px;line-height:1.8;color:var(--c-body)}

/* ===== 互链区 ===== */
.link-card{
  display:flex;align-items:center;justify-content:space-between;gap:16px;padding:22px 24px;
  background:#fff;border:1px solid var(--c-line);border-radius:var(--r-card);box-shadow:var(--sh-1);
  transition:transform var(--t),box-shadow var(--t),border-color var(--t);
}
.link-card:hover{transform:translateY(-2px);box-shadow:var(--sh-3);border-color:#D6DEE9}
.link-card h3{font-size:17px;margin-bottom:6px}
.link-card p{font-size:14px}
.link-card .arrow{color:var(--c-primary);font-size:16px}

/* ===== 页脚 ===== */
.site-footer{background:var(--c-dark);color:rgba(255,255,255,.72);padding:64px 0 0;margin-top:0}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:40px;padding-bottom:44px}
.footer-brand{display:flex;align-items:center;gap:12px;margin-bottom:16px}
.footer-brand .brand-mark{background:var(--c-accent);color:#fff}
.footer-brand strong{color:#fff;font-size:18px;letter-spacing:.01em}
.site-footer p{font-size:14px;line-height:1.8;color:rgba(255,255,255,.66)}
.footer-col h4{color:#fff;font-size:15.5px;margin-bottom:16px}
.footer-col ul li{margin-bottom:11px}
.footer-col ul li a{color:rgba(255,255,255,.72);font-size:14px}
.footer-col ul li a:hover{color:#fff;text-decoration:underline}
.footer-contact li{display:flex;gap:10px;font-size:14px;color:rgba(255,255,255,.72);margin-bottom:12px;line-height:1.6}
.footer-contact i{color:var(--c-accent);margin-top:4px}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.12);padding:20px 0 26px;display:flex;justify-content:space-between;
  gap:16px;flex-wrap:wrap;font-size:13px;color:rgba(255,255,255,.55);
}

/* ===== 移动端导航抽屉 ===== */
.mobile-nav{width:320px;background:#fff}
.mobile-nav .offcanvas-header{border-bottom:1px solid var(--c-line);padding:18px 20px}
.mobile-nav .offcanvas-body{padding:18px 20px;display:flex;flex-direction:column;gap:6px}
.mobile-nav a.m-link{
  display:block;padding:12px 14px;border-radius:10px;font-size:15px;color:var(--c-body);font-weight:500;
}
.mobile-nav a.m-link:hover{background:var(--c-bg-soft);color:var(--c-primary)}
.mobile-nav a.m-link.active{background:var(--c-primary-050);color:var(--c-primary);font-weight:600}
.mobile-nav .m-cta{margin-top:14px}

/* ===== 响应式 ===== */
@media (max-width:1199.98px){
  .hero-inner{gap:36px}
}
@media (max-width:991.98px){
  .topbar{display:none}
  .nav-pills-custom{display:none}
  .nav-toggle{display:inline-flex}
  .header-actions .btn-ghost{display:none}
  .hero-inner{grid-template-columns:1fr}
  .page-hero{padding:64px 0 68px}
  .section{padding:64px 0}
  .grid-3{grid-template-columns:repeat(2,1fr)}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
}
@media (max-width:767.98px){
  .header-inner{height:66px;gap:14px}
  .brand-text{font-size:16.5px}
  .grid-3,.grid-2{grid-template-columns:1fr}
  .form-row{grid-template-columns:1fr}
  .section{padding:48px 0}
  .section-head{margin-bottom:32px}
  .cta-band{padding:28px 24px;border-radius:16px}
  .cta-band .cta-actions{width:100%}
  .form-card{padding:22px}
  .footer-grid{grid-template-columns:1fr}
  .footer-bottom{flex-direction:column}
}
@media (max-width:575.98px){
  .container{padding:0 18px}
  .hero-cta .btn{width:100%}
  .hero-badges{gap:10px 18px;font-size:13.5px}
}