/* roulang page: index */
:root{
  --c-ink:#101A18;
  --c-ink-soft:#46534F;
  --c-primary:#1F5D52;
  --c-primary-deep:#143F38;
  --c-accent:#C4552A;
  --c-bg:#FBFAF7;
  --c-surface:#FFFFFF;
  --c-sand:#EDE7DA;
  --c-line:rgba(16,26,24,.10);
  --c-line-soft:rgba(16,26,24,.06);
  --c-line-dark:rgba(255,255,255,.14);

  --r-card:14px;
  --r-lg:20px;
  --r-btn:10px;

  --sh-1:0 1px 2px rgba(16,26,24,.04);
  --sh-2:0 8px 24px rgba(16,26,24,.06);
  --sh-3:0 18px 48px rgba(16,26,24,.10);

  --sp-section:56px;
  --font-cn:"PingFang SC","Microsoft YaHei","Noto Sans SC","Hiragino Sans GB",system-ui,-apple-system,"Segoe UI",sans-serif;

  --bs-body-bg:#FBFAF7;
  --bs-body-color:#101A18;
  --bs-body-font-family:var(--font-cn);
  --bs-primary:#1F5D52;
  --bs-primary-rgb:31,93,82;
  --bs-link-color:#1F5D52;
  --bs-link-hover-color:#143F38;
  --bs-border-color:rgba(16,26,24,.10);
  --bs-border-radius:14px;
  --bs-border-radius-lg:20px;
  --bs-border-radius-sm:10px;
  --bs-emphasis-color:#101A18;
}

*,*::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:17px;
  line-height:1.9;
  color:var(--c-ink);
  background:var(--c-bg);
  -webkit-font-smoothing:antialiased;
  -moz-osx-font-smoothing:grayscale;
  overflow-x:hidden;
}

img{max-width:100%;height:auto;display:block}
a{color:var(--c-primary);text-decoration:none;transition:color .18s ease}
a:hover{color:var(--c-primary-deep)}
button{font-family:inherit}
ul,ol{margin:0;padding:0;list-style:none}
p{margin:0 0 1.2em}
h1,h2,h3,h4{margin:0;font-weight:800;letter-spacing:-.02em;line-height:1.28;color:var(--c-ink)}
h1{font-size:clamp(2rem,5vw,3.4rem)}
h2{font-size:clamp(1.5rem,3vw,2.15rem)}
h3{font-size:clamp(1.15rem,2vw,1.35rem);font-weight:700}

:focus-visible{outline:2px solid var(--c-primary);outline-offset:2px;border-radius:4px}

.container-x{width:100%;max-width:1240px;margin:0 auto;padding-left:20px;padding-right:20px}
@media (min-width:992px){.container-x{padding-left:32px;padding-right:32px}}

.section{padding:var(--sp-section) 0}
@media (min-width:992px){.section{padding:100px 0}}
.section-tight{padding:44px 0}
@media (min-width:992px){.section-tight{padding:72px 0}}

.section-head{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:16px;margin-bottom:36px}
.section-head h2{margin-bottom:0}
.section-head .sub{margin-top:10px;color:var(--c-ink-soft);font-size:16px;max-width:640px;line-height:1.85}

/* ============ 导航 ============ */
.site-header{
  position:fixed;
  top:0;left:0;right:0;
  z-index:1030;
  background:rgba(251,250,247,.55);
  -webkit-backdrop-filter:blur(14px) saturate(140%);
  backdrop-filter:blur(14px) saturate(140%);
  border-bottom:1px solid rgba(255,255,255,.28);
  box-shadow:var(--sh-2);
  transition:background .24s ease,box-shadow .24s ease,border-color .24s ease;
}
.site-header.scrolled{
  background:rgba(251,250,247,.94);
  border-bottom:1px solid var(--c-line);
  box-shadow:0 4px 20px rgba(16,26,24,.07);
}
.nav-inner{
  display:flex;align-items:center;justify-content:space-between;gap:20px;
  height:76px;
  transition:height .24s ease;
}
.site-header.scrolled .nav-inner{height:64px}

.brand{display:inline-flex;align-items:center;gap:10px;min-width:0;text-decoration:none}
.brand-mark{
  width:36px;height:36px;flex:0 0 36px;border-radius:11px;
  background:linear-gradient(150deg,var(--c-primary),var(--c-primary-deep));
  color:#fff;display:flex;align-items:center;justify-content:center;
  font-weight:800;font-size:16px;letter-spacing:0;box-shadow:var(--sh-1);
}
.brand-text{
  font-size:17px;font-weight:800;letter-spacing:-.02em;color:var(--c-ink);
  white-space:nowrap;overflow:hidden;text-overflow:ellipsis;max-width:200px;
}
@media (max-width:575px){.brand-text{font-size:15px;max-width:150px}}

.nav-links{display:flex;align-items:center;gap:30px}
.nav-link-item{
  position:relative;
  font-size:15px;font-weight:600;color:var(--c-ink-soft);
  padding:6px 0;text-decoration:none;white-space:nowrap;
}
.nav-link-item::after{
  content:"";position:absolute;left:0;bottom:0;height:2px;width:0;
  background:var(--c-primary);border-radius:2px;transition:width .2s ease;
}
.nav-link-item:hover{color:var(--c-primary)}
.nav-link-item:hover::after{width:100%}
.nav-link-item.active{color:var(--c-primary)}
.nav-link-item.active::after{width:100%}

.nav-actions{display:flex;align-items:center;gap:12px}
.icon-btn{
  width:40px;height:40px;border-radius:50%;
  border:1px solid var(--c-line);background:rgba(255,255,255,.7);
  color:var(--c-ink-soft);display:inline-flex;align-items:center;justify-content:center;
  cursor:pointer;transition:all .18s ease;font-size:15px;
}
.icon-btn:hover{color:var(--c-primary);border-color:rgba(31,93,82,.35);background:#fff}
.icon-btn:focus-visible{outline:2px solid var(--c-primary);outline-offset:2px}

.nav-search{position:relative;display:flex;align-items:center}
.search-form{
  position:absolute;right:48px;top:50%;transform:translateY(-50%) scaleX(.9);
  transform-origin:right center;
  opacity:0;pointer-events:none;
  transition:opacity .2s ease,transform .2s ease;
  width:230px;
}
.nav-search.open .search-form{opacity:1;pointer-events:auto;transform:translateY(-50%) scaleX(1)}
.search-form input{
  width:100%;height:40px;border-radius:999px;border:1px solid var(--c-line);
  background:#fff;padding:0 16px;font-size:14px;color:var(--c-ink);
  font-family:inherit;
}
.search-form input::placeholder{color:#9AA5A1}
.search-form input:focus{outline:none;border-color:var(--c-primary);box-shadow:0 0 0 3px rgba(31,93,82,.12)}

.btn-nav-cta{
  display:inline-flex;align-items:center;gap:8px;
  padding:11px 22px;border-radius:var(--r-btn);
  background:var(--c-primary);color:#fff;font-size:15px;font-weight:600;
  border:1px solid var(--c-primary);box-shadow:var(--sh-1);
  transition:all .16s ease;white-space:nowrap;text-decoration:none;
}
.btn-nav-cta:hover{background:var(--c-primary-deep);border-color:var(--c-primary-deep);color:#fff;transform:translateY(-1px);box-shadow:var(--sh-2)}
.btn-nav-cta:active{transform:translateY(0)}

.burger{
  width:42px;height:42px;border-radius:12px;border:1px solid var(--c-line);
  background:rgba(255,255,255,.7);color:var(--c-ink);
  display:inline-flex;align-items:center;justify-content:center;font-size:17px;cursor:pointer;
}
.burger:hover{color:var(--c-primary)}

/* offcanvas */
.offcanvas.offcanvas-end{width:320px;background:var(--c-bg);border-left:1px solid var(--c-line)}
.offcanvas-header{border-bottom:1px solid var(--c-line);padding:20px 22px}
.oc-title{font-size:16px;font-weight:800;color:var(--c-ink)}
.offcanvas-body{padding:14px 22px 28px;display:flex;flex-direction:column}
.oc-link{
  display:block;font-size:17px;font-weight:600;line-height:2.2;
  color:var(--c-ink-soft);text-decoration:none;border-bottom:1px solid var(--c-line-soft);
  padding:8px 0;
}
.oc-link:hover,.oc-link.active{color:var(--c-primary)}
.oc-foot{margin-top:auto;padding-top:24px;border-top:1px solid var(--c-line)}
.oc-foot .btn-brand{width:100%}
.oc-foot .oc-note{font-size:13px;color:var(--c-ink-soft);margin-top:14px;line-height:1.8}

/* ============ 按钮 ============ */
.btn-brand{
  display:inline-flex;align-items:center;justify-content:center;gap:9px;
  padding:13px 28px;border-radius:var(--r-btn);
  background:var(--c-primary);border:1px solid var(--c-primary);
  color:#fff;font-size:16px;font-weight:600;line-height:1.4;
  box-shadow:var(--sh-1);cursor:pointer;text-decoration:none;
  transition:background .16s ease,transform .16s ease,box-shadow .16s ease,border-color .16s ease;
}
.btn-brand:hover{background:var(--c-primary-deep);border-color:var(--c-primary-deep);color:#fff;transform:translateY(-1px);box-shadow:var(--sh-2)}
.btn-brand:active{transform:translateY(0);box-shadow:var(--sh-1)}
.btn-brand.lg{padding:15px 34px;font-size:17px}

.btn-ghost{
  display:inline-flex;align-items:center;justify-content:center;gap:9px;
  padding:13px 28px;border-radius:var(--r-btn);
  background:transparent;border:1px solid var(--c-primary);
  color:var(--c-primary);font-size:16px;font-weight:600;line-height:1.4;
  cursor:pointer;text-decoration:none;transition:all .16s ease;
}
.btn-ghost:hover{background:rgba(31,93,82,.08);color:var(--c-primary-deep);transform:translateY(-1px)}
.btn-ghost:active{transform:translateY(0)}
.btn-ghost.on-dark{color:#fff;border-color:rgba(255,255,255,.55)}
.btn-ghost.on-dark:hover{background:rgba(255,255,255,.12);color:#fff}

.btn-sm-outline{
  display:inline-flex;align-items:center;gap:8px;
  padding:9px 18px;border-radius:var(--r-btn);border:1px solid var(--c-line);
  background:#fff;color:var(--c-ink);font-size:14px;font-weight:600;
  text-decoration:none;transition:all .16s ease;
}
.btn-sm-outline:hover{border-color:var(--c-primary);color:var(--c-primary);box-shadow:var(--sh-1)}

.link-more{
  position:relative;font-size:15px;font-weight:600;color:var(--c-primary);
  text-decoration:none;background-image:linear-gradient(var(--c-primary),var(--c-primary));
  background-repeat:no-repeat;background-position:0 100%;background-size:0 1px;
  transition:background-size .2s ease;
  padding-bottom:2px;
}
.link-more:hover{color:var(--c-primary-deep);background-size:100% 1px}
.link-more i{font-size:12px;margin-left:4px;transition:transform .2s ease;display:inline-block}
.link-more:hover i{transform:translateX(3px)}

/* ============ 徽章 / 胶囊 ============ */
.pill{
  display:inline-flex;align-items:center;gap:8px;
  padding:7px 16px;border-radius:999px;
  border:1px solid rgba(31,93,82,.28);background:rgba(31,93,82,.06);
  color:var(--c-primary);font-size:13.5px;font-weight:600;letter-spacing:.01em;
}
.pill .dot{width:6px;height:6px;border-radius:50%;background:var(--c-primary);flex:0 0 6px}

.tag{
  display:inline-flex;align-items:center;
  padding:5px 13px;border-radius:999px;
  background:var(--c-sand);color:var(--c-ink-soft);
  font-size:12.5px;font-weight:600;letter-spacing:.01em;
}
.tag.accent{background:rgba(196,85,42,.10);color:var(--c-accent)}
.tag.solid{background:rgba(31,93,82,.10);color:var(--c-primary)}

/* ============ HERO ============ */
.hero{
  position:relative;
  padding-top:130px;
  padding-bottom:64px;
  background:
    radial-gradient(1100px 520px at 12% -10%,rgba(237,231,218,.85),rgba(251,250,247,0) 62%),
    radial-gradient(760px 420px at 92% 6%,rgba(31,93,82,.07),rgba(251,250,247,0) 60%),
    var(--c-bg);
  overflow:hidden;
}
@media (min-width:992px){
  .hero{min-height:82vh;display:flex;align-items:center;padding-top:120px;padding-bottom:88px}
}
.hero-badge{margin-bottom:22px}
.hero h1{margin-bottom:20px;max-width:620px}
.hero h1 .hl{color:var(--c-primary)}
.hero-sub{
  font-size:17px;line-height:1.92;color:var(--c-ink-soft);
  max-width:560px;margin-bottom:32px;
}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:38px}

.hero-metrics{display:flex;flex-wrap:wrap;align-items:stretch;gap:0}
.metric{
  padding:0 26px;position:relative;
}
.metric:first-child{padding-left:0}
.metric + .metric::before{
  content:"";position:absolute;left:0;top:6px;bottom:6px;width:1px;background:var(--c-line);
}
.metric b{display:block;font-size:24px;font-weight:800;color:var(--c-ink);letter-spacing:-.02em;line-height:1.3}
.metric span{display:block;font-size:13px;color:var(--c-ink-soft);margin-top:2px}
@media (max-width:575px){
  .hero-metrics{gap:18px 0}
  .metric{padding:0 18px}
  .metric b{font-size:20px}
}

.hero-visual{position:relative;margin-top:44px}
@media (min-width:992px){.hero-visual{margin-top:0}}
.hero-img-wrap{
  position:relative;border-radius:var(--r-lg);overflow:hidden;
  aspect-ratio:4/5;background:var(--c-sand);box-shadow:var(--sh-3);
}
.hero-img-wrap img{width:100%;height:100%;object-fit:cover;object-position:center 42%}
.hero-arc{
  position:absolute;right:-60px;top:-50px;width:260px;height:260px;
  border:1px solid rgba(31,93,82,.14);border-radius:50%;pointer-events:none;
}
.float-card{
  position:absolute;background:#fff;border-radius:14px;box-shadow:var(--sh-3);
  border:1px solid var(--c-line-soft);padding:14px 18px;
}
.float-card.a{left:-14px;bottom:56px}
.float-card.b{right:-10px;top:44px}
@media (max-width:575px){
  .float-card.a{left:8px;bottom:14px}
  .float-card.b{right:8px;top:14px}
  .float-card{padding:10px 13px}
}
.float-card .fc-label{font-size:12px;color:var(--c-ink-soft);line-height:1.6}
.float-card .fc-value{font-size:19px;font-weight:800;color:var(--c-ink);letter-spacing:-.02em;line-height:1.4}
.float-card .fc-value em{font-style:normal;color:var(--c-accent)}
.fc-row{display:flex;align-items:center;gap:8px}

/* ============ 保障条 ============ */
.assure{
  border-top:1px solid var(--c-line);
  border-bottom:1px solid var(--c-line);
  background:rgba(237,231,218,.34);
}
.assure-grid{display:flex;flex-wrap:wrap}
.assure-item{
  flex:1 1 50%;position:relative;padding:24px 22px;
  display:flex;gap:14px;align-items:flex-start;
}
.assure-item + .assure-item::before{
  content:"";position:absolute;left:0;top:24px;bottom:24px;width:1px;background:var(--c-line);
}
@media (min-width:992px){.assure-item{flex:1 1 25%}}
@media (max-width:991px){
  .assure-item:nth-child(odd)::before{display:none}
  .assure-item{border-bottom:1px solid var(--c-line-soft)}
  .assure-item:nth-child(3),.assure-item:nth-child(4){border-bottom:0}
}
.assure-item i{
  font-size:17px;color:var(--c-primary);margin-top:5px;flex:0 0 auto;
}
.assure-item b{display:block;font-size:15.5px;font-weight:700;color:var(--c-ink);line-height:1.6}
.assure-item span{display:block;font-size:12.5px;color:var(--c-ink-soft);line-height:1.7;margin-top:2px}

/* ============ 产品网格 ============ */
.grid-head{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:14px;margin-bottom:34px}

.pcard{
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-card);
  overflow:hidden;box-shadow:var(--sh-1);height:100%;
  display:flex;flex-direction:column;
  transition:box-shadow .24s ease,transform .24s ease,border-color .24s ease;
}
.pcard:hover{box-shadow:var(--sh-2);transform:translateY(-3px);border-color:rgba(31,93,82,.22)}
.pcard-media{
  position:relative;overflow:hidden;background:var(--c-sand);
}
.pcard-media img{width:100%;height:100%;object-fit:cover;transition:transform .4s cubic-bezier(.22,.61,.36,1)}
.pcard:hover .pcard-media img{transform:scale(1.03)}
.pcard-media .tag{position:absolute;left:14px;top:14px;background:rgba(255,255,255,.92);backdrop-filter:blur(6px);color:var(--c-ink)}
.pcard-body{padding:18px 20px 20px;display:flex;flex-direction:column;flex:1}
.pcard-title{
  font-size:16.5px;font-weight:700;color:var(--c-ink);line-height:1.55;
  margin-bottom:8px;transition:color .2s ease;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.pcard:hover .pcard-title{color:var(--c-primary)}
.pcard-spec{font-size:13.5px;color:var(--c-ink-soft);line-height:1.75;margin-bottom:16px}
.pcard-foot{margin-top:auto;display:flex;align-items:flex-end;justify-content:space-between;gap:12px}
.price{font-size:20px;font-weight:800;color:var(--c-accent);letter-spacing:-.02em;line-height:1.3}
.price small{font-size:13px;font-weight:600}
.price .old{display:block;font-size:12.5px;font-weight:500;color:#9AA5A1;text-decoration:line-through;letter-spacing:0}
.add-btn{
  width:40px;height:40px;flex:0 0 40px;border-radius:12px;
  border:1px solid var(--c-line);background:#fff;color:var(--c-primary);
  display:inline-flex;align-items:center;justify-content:center;font-size:15px;
  cursor:pointer;transition:all .18s ease;text-decoration:none;
}
.add-btn:hover{background:var(--c-primary);border-color:var(--c-primary);color:#fff;box-shadow:var(--sh-2)}
.add-btn:active{transform:scale(.96)}

.pcard.feature{border-color:rgba(31,93,82,.20)}
.pcard.feature .pcard-media{aspect-ratio:16/11}
.pcard.feature .pcard-title{font-size:22px;-webkit-line-clamp:3}
.pcard.feature .pcard-body{padding:24px 26px 26px}
.pcard.feature .pcard-spec{font-size:14.5px}
.pcard.feature .price{font-size:26px}
.pcard.vert .pcard-media{aspect-ratio:3/4}
@media (max-width:575px){
  .pcard.vert .pcard-media{aspect-ratio:4/3}
  .pcard.feature .pcard-title{font-size:19px}
}

/* ============ 流程步骤 ============ */
.steps-wrap{background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-lg);box-shadow:var(--sh-1);padding:34px 30px}
@media (min-width:992px){.steps-wrap{padding:48px 46px}}
.steps{display:grid;gap:0}
@media (min-width:992px){.steps{grid-template-columns:repeat(4,1fr)}}
.step{position:relative;padding:0 22px 26px 0}
@media (min-width:992px){
  .step{padding:0 26px}
  .step + .step::before{content:"";position:absolute;left:0;top:6px;bottom:6px;width:1px;background:var(--c-line)}
  .step:first-child{padding-left:0}
}
.step-num{
  display:inline-flex;align-items:center;justify-content:center;
  width:38px;height:38px;border-radius:12px;
  background:rgba(31,93,82,.08);color:var(--c-primary);
  font-weight:800;font-size:15px;margin-bottom:16px;
}
.step h3{font-size:16.5px;margin-bottom:8px;font-weight:700}
.step p{font-size:14px;line-height:1.85;color:var(--c-ink-soft);margin:0}
@media (max-width:991px){
  .step{border-bottom:1px solid var(--c-line-soft);padding-bottom:22px;margin-bottom:22px}
  .step:last-child{border-bottom:0;margin-bottom:0;padding-bottom:0}
}

/* ============ 评价轮播 ============ */
.review-sec{background:linear-gradient(180deg,rgba(237,231,218,.30),rgba(237,231,218,0) 70%)}
.review-card{
  background:#fff;border:1px solid var(--c-line);border-radius:var(--r-card);
  padding:26px 26px 24px;box-shadow:var(--sh-1);height:100%;
  display:flex;flex-direction:column;
}
.review-top{display:flex;align-items:center;gap:13px;margin-bottom:16px}
.avatar{
  width:44px;height:44px;border-radius:50%;flex:0 0 44px;overflow:hidden;
  background:var(--c-sand);
}
.avatar img{width:100%;height:100%;object-fit:cover}
.review-name{font-size:15px;font-weight:700;color:var(--c-ink);line-height:1.5}
.review-role{font-size:12.5px;color:var(--c-ink-soft);line-height:1.5}
.stars{color:var(--c-accent);font-size:13px;letter-spacing:2px;margin-bottom:12px}
.review-text{font-size:15px;line-height:1.9;color:var(--c-ink-soft);margin:0}

#reviewCarousel .carousel-indicators{position:static;margin:30px 0 0;justify-content:center}
#reviewCarousel .carousel-indicators [data-bs-target]{
  width:26px;height:3px;border-radius:2px;background:rgba(16,26,24,.18);
  border:0;opacity:1;margin:0 5px;transition:background .2s ease,width .2s ease;
}
#reviewCarousel .carousel-indicators .active{background:var(--c-primary);width:40px}
.carousel-ctrl{
  width:44px;height:44px;border-radius:50%;border:1px solid var(--c-line);
  background:#fff;color:var(--c-ink);display:inline-flex;align-items:center;justify-content:center;
  font-size:14px;transition:all .18s ease;
}
.carousel-ctrl:hover{background:var(--c-primary);border-color:var(--c-primary);color:#fff}
.carousel-control-prev,.carousel-control-next{width:52px;opacity:1;top:auto;bottom:-2px;transform:translateY(6px)}
.carousel-control-prev{left:auto;right:64px}
.carousel-control-next{right:0}
@media (max-width:991px){
  .carousel-control-prev,.carousel-control-next{display:none}
}
@media (max-width:767px){
  .review-col:nth-child(n+2){display:none}
}

/* ============ CTA 分屏 + 表单 ============ */
.cta-split{
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-lg);
  box-shadow:var(--sh-2);overflow:hidden;
}
.cta-left{padding:38px 30px}
.cta-right{padding:34px 30px;background:rgba(237,231,218,.42);border-top:1px solid var(--c-line)}
@media (min-width:992px){
  .cta-split{display:grid;grid-template-columns:7fr 5fr}
  .cta-left{padding:56px 52px}
  .cta-right{padding:56px 46px;border-top:0;border-left:1px solid var(--c-line)}
}
.check-list li{
  display:flex;align-items:flex-start;gap:11px;
  font-size:15.5px;color:var(--c-ink);line-height:1.8;margin-bottom:14px;
}
.check-list li i{color:var(--c-primary);font-size:15px;margin-top:5px;flex:0 0 auto}
.check-list li:last-child{margin-bottom:0}

.form-card{background:#fff;border:1px solid var(--c-line);border-radius:var(--r-card);padding:26px 24px;box-shadow:var(--sh-1)}
.form-label-x{display:block;font-size:13.5px;font-weight:600;color:var(--c-ink-soft);margin-bottom:8px}
.form-control-x{
  width:100%;height:48px;border-radius:var(--r-btn);
  border:1px solid var(--c-line);background:#fff;
  padding:0 16px;font-size:15px;color:var(--c-ink);font-family:inherit;
  transition:border-color .16s ease,box-shadow .16s ease;
}
.form-control-x::placeholder{color:#9AA5A1}
.form-control-x:hover{border-color:rgba(16,26,24,.20)}
.form-control-x:focus{outline:none;border-color:var(--c-primary);box-shadow:0 0 0 3px rgba(31,93,82,.14)}
.form-help{font-size:12px;color:var(--c-ink-soft);line-height:1.7;margin-top:14px}
.form-row{margin-bottom:16px}
.form-note{
  display:flex;align-items:flex-start;gap:8px;
  font-size:12px;color:var(--c-ink-soft);line-height:1.75;margin-top:16px;
}
.form-note i{margin-top:4px;color:var(--c-primary)}

/* ============ 资讯列表（CMS） ============ */
.news-sec{background:var(--c-bg)}
.news-filter{display:flex;flex-wrap:wrap;gap:18px}
.news-filter a{font-size:14.5px;font-weight:600;color:var(--c-ink-soft)}
.news-filter a:hover{color:var(--c-primary)}

.news-card{
  background:#fff;border:1px solid var(--c-line);border-radius:var(--r-card);
  overflow:hidden;box-shadow:var(--sh-1);height:100%;
  display:flex;flex-direction:column;
  transition:box-shadow .24s ease,transform .24s ease,border-color .24s ease;
}
.news-card:hover{box-shadow:var(--sh-2);transform:translateY(-3px);border-color:rgba(31,93,82,.20)}
.news-cover{display:block;aspect-ratio:16/10;overflow:hidden;background:var(--c-sand)}
.news-cover img{width:100%;height:100%;object-fit:cover;transition:transform .4s cubic-bezier(.22,.61,.36,1)}
.news-card:hover .news-cover img{transform:scale(1.03)}
.news-body{padding:20px 20px 22px;display:flex;flex-direction:column;flex:1}
.news-meta{display:flex;align-items:center;gap:12px;margin-bottom:12px}
.news-title{
  font-size:16.5px;font-weight:700;line-height:1.6;color:var(--c-ink);
  margin-bottom:10px;transition:color .2s ease;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.news-card:hover .news-title{color:var(--c-primary)}
.news-sum{
  font-size:14px;line-height:1.85;color:var(--c-ink-soft);
  margin-bottom:18px;
  display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;
}
.news-foot{
  margin-top:auto;padding-top:14px;border-top:1px solid var(--c-line-soft);
  display:flex;align-items:center;justify-content:space-between;gap:12px;
}
.news-date{font-size:12.5px;color:#8A9592;letter-spacing:.02em}

.empty-state{
  border:1px dashed var(--c-line);border-radius:var(--r-card);
  background:#fff;padding:56px 24px;text-align:center;
}
.empty-state i{font-size:22px;color:#B6BFBB;display:block;margin-bottom:14px}
.empty-state p{font-size:15px;color:var(--c-ink-soft);margin-bottom:14px}

/* ============ FAQ ============ */
.faq-sec{background:linear-gradient(180deg,rgba(237,231,218,.26),rgba(251,250,247,0) 72%)}
.faq-acc .accordion-item{
  background:#fff;border:1px solid var(--c-line);border-radius:var(--r-card)!important;
  margin-bottom:14px;overflow:hidden;box-shadow:var(--sh-1);
}
.faq-acc .accordion-button{
  background:#fff;color:var(--c-ink);
  font-size:16px;font-weight:700;line-height:1.7;
  padding:20px 24px;border:0;box-shadow:none;
  display:flex;align-items:center;justify-content:space-between;gap:16px;
}
.faq-acc .accordion-button:not(.collapsed){color:var(--c-primary);background:#fff}
.faq-acc .accordion-button:focus{box-shadow:none;outline:2px solid var(--c-primary);outline-offset:-4px}
.faq-acc .accordion-button::after{
  content:"\f067";font-family:"Font Awesome 6 Free";font-weight:900;
  font-size:12px;color:var(--c-primary);
  background-image:none;width:22px;height:22px;flex:0 0 22px;
  display:flex;align-items:center;justify-content:center;
  transition:transform .24s ease;
}
.faq-acc .accordion-button:not(.collapsed)::after{content:"\f068";transform:rotate(180deg)}
.faq-acc .accordion-body{
  padding:0 24px 22px;font-size:15px;line-height:1.92;color:var(--c-ink-soft);
  border-top:1px solid var(--c-line-soft);
  padding-top:18px;margin:0 24px 22px;padding-left:0;padding-right:0;
}
.faq-acc .accordion-collapse{transition:height .24s ease}

/* ============ 底部 CTA 条 ============ */
.bottom-cta{
  background:rgba(237,231,218,.55);
  border-top:1px solid var(--c-line);border-bottom:1px solid var(--c-line);
}
.bottom-cta-inner{
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;
  gap:24px;padding:38px 0;
}
@media (min-width:992px){.bottom-cta-inner{padding:46px 0}}
.bottom-cta h2{font-size:clamp(1.35rem,2.4vw,1.85rem);margin-bottom:8px}
.bottom-cta p{margin:0;font-size:15px;color:var(--c-ink-soft)}

/* ============ 页脚 ============ */
.site-footer{background:var(--c-primary-deep);color:rgba(255,255,255,.78);padding:66px 0 0}
.site-footer h3{
  font-size:14px;font-weight:700;color:#fff;letter-spacing:.02em;margin-bottom:20px;
}
.footer-brand{display:inline-flex;align-items:center;gap:10px;margin-bottom:18px;text-decoration:none}
.footer-brand .brand-mark{background:rgba(255,255,255,.12);color:#fff}
.footer-brand .brand-text{color:#fff;font-size:17px;font-weight:800}
.footer-desc{font-size:14px;line-height:1.95;color:rgba(255,255,255,.66);max-width:330px;margin:0}
.footer-links li{margin-bottom:12px}
.footer-links a{
  font-size:14.5px;color:rgba(255,255,255,.74);text-decoration:none;
  transition:color .18s ease,padding-left .18s ease;
}
.footer-links a:hover{color:#fff;padding-left:4px}
.footer-contact li{font-size:14px;line-height:1.9;color:rgba(255,255,255,.70);margin-bottom:12px;display:flex;gap:10px}
.footer-contact li i{color:rgba(255,255,255,.45);margin-top:5px;font-size:13px;flex:0 0 auto}
.footer-contact li a{color:rgba(255,255,255,.82)}
.footer-contact li a:hover{color:#fff}
.footer-bottom{
  margin-top:52px;border-top:1px solid var(--c-line-dark);
  padding:24px 0;display:flex;flex-wrap:wrap;gap:12px;align-items:center;justify-content:space-between;
  font-size:13px;color:rgba(255,255,255,.55);
}
.footer-bottom a{color:rgba(255,255,255,.68);text-decoration:none}
.footer-bottom a:hover{color:#fff}

/* ============ 动效 ============ */
.reveal{opacity:0;transform:translateY(16px);transition:opacity .42s ease,transform .42s ease}
.reveal.in{opacity:1;transform:translateY(0)}

@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{animation-duration:.001ms!important;transition-duration:.001ms!important}
  .reveal{opacity:1;transform:none}
}

@media (max-width:575px){
  body{font-size:16px}
  .btn-brand,.btn-ghost{width:100%}
  .hero-actions{flex-direction:column;gap:12px}
  .section-head{margin-bottom:26px}
  .steps-wrap{padding:26px 20px}
  .cta-left,.cta-right{padding:28px 22px}
}

/* roulang page: article */
:root{
  --c-ink:#101A18;
  --c-ink-soft:#46534F;
  --c-primary:#1F5D52;
  --c-primary-deep:#143F38;
  --c-accent:#C4552A;
  --c-bg:#FBFAF7;
  --c-surface:#FFFFFF;
  --c-sand:#EDE7DA;
  --c-line:rgba(16,26,24,.10);
  --c-line-strong:rgba(16,26,24,.18);
  --r-card:14px;
  --r-lg:20px;
  --r-btn:10px;
  --r-pill:999px;
  --sh-1:0 1px 2px rgba(16,26,24,.04);
  --sh-2:0 8px 24px rgba(16,26,24,.06);
  --sh-3:0 18px 48px rgba(16,26,24,.10);
  --ease:cubic-bezier(.22,.61,.36,1);
  --container:1240px;
  --nav-h:76px;

  --bs-primary:#1F5D52;
  --bs-body-bg:#FBFAF7;
  --bs-body-color:#101A18;
  --bs-border-color:rgba(16,26,24,.10);
  --bs-border-radius:14px;
  --bs-border-radius-lg:20px;
  --bs-link-color:#1F5D52;
  --bs-link-hover-color:#143F38;
  --bs-focus-ring-color:rgba(31,93,82,.35);
  --bs-body-font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC","Helvetica Neue",Arial,sans-serif;
}

*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  padding-top:var(--nav-h);
  background:var(--c-bg);
  color:var(--c-ink);
  font-family:var(--bs-body-font-family);
  font-size:16.5px;
  line-height:1.9;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
img{max-width:100%;height:auto;display:block;}
a{color:var(--c-primary);text-decoration:none;transition:color .2s ease;}
a:hover{color:var(--c-primary-deep);}
button{font-family:inherit;}
h1,h2,h3,h4{margin:0;color:var(--c-ink);font-weight:800;letter-spacing:-.02em;line-height:1.32;}
p{margin:0;}
ul,ol{margin:0;padding:0;list-style:none;}
::selection{background:rgba(31,93,82,.16);}

.container-x{
  width:100%;
  max-width:var(--container);
  margin:0 auto;
  padding-left:20px;
  padding-right:20px;
}
@media (min-width:992px){
  .container-x{padding-left:32px;padding-right:32px;}
}

a:focus-visible,button:focus-visible,input:focus-visible,textarea:focus-visible,.toc-link:focus-visible{
  outline:2px solid var(--c-primary);
  outline-offset:2px;
  border-radius:6px;
}

/* ---------- Header / Nav ---------- */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:1040;
  background:rgba(251,250,247,.55);
  -webkit-backdrop-filter:blur(14px) saturate(140%);
  backdrop-filter:blur(14px) saturate(140%);
  border-bottom:1px solid rgba(255,255,255,.28);
  box-shadow:var(--sh-2);
  transition:background .24s ease,box-shadow .24s ease,border-color .24s ease;
}
.site-header.scrolled{
  background:rgba(251,250,247,.94);
  border-bottom-color:var(--c-line);
  box-shadow:var(--sh-1);
}
.header-inner{
  display:flex;align-items:center;justify-content:space-between;gap:20px;
  height:var(--nav-h);
  transition:height .24s ease;
}
.site-header.scrolled .header-inner{height:64px;}
@media (max-width:575.98px){:root{--nav-h:68px;}}

.brand{display:inline-flex;align-items:center;gap:10px;text-decoration:none;min-width:0;}
.brand-mark{
  width:34px;height:34px;flex:0 0 34px;border-radius:10px;
  background:var(--c-primary);color:#fff;
  display:inline-flex;align-items:center;justify-content:center;
  font-size:17px;font-weight:800;
}
.brand-text{
  font-size:19px;font-weight:800;letter-spacing:-.02em;color:var(--c-ink);
  white-space:nowrap;overflow:hidden;text-overflow:ellipsis;
}
.brand:hover .brand-text{color:var(--c-primary);}

.nav-links{align-items:center;gap:28px;}
.nav-link-item{
  position:relative;font-size:15px;color:var(--c-ink);padding:6px 1px;
  background-image:linear-gradient(var(--c-primary),var(--c-primary));
  background-repeat:no-repeat;background-position:0 100%;background-size:0 2px;
  transition:background-size .2s ease,color .2s ease;
}
.nav-link-item:hover,.nav-link-item.active{color:var(--c-primary);background-size:100% 2px;}

.header-actions{display:flex;align-items:center;gap:12px;}
.icon-btn{
  width:40px;height:40px;border-radius:var(--r-pill);
  border:1px solid var(--c-line);background:rgba(255,255,255,.7);
  color:var(--c-ink-soft);display:inline-flex;align-items:center;justify-content:center;
  cursor:pointer;transition:color .2s ease,border-color .2s ease,background .2s ease;
}
.icon-btn:hover{color:var(--c-primary);border-color:rgba(31,93,82,.4);background:#fff;}

.btn-main,.btn-ghost,.btn-line{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border-radius:var(--r-btn);font-size:15px;font-weight:700;
  padding:11px 22px;min-height:44px;cursor:pointer;border:1px solid transparent;
  transition:transform .16s ease,background .16s ease,color .16s ease,box-shadow .16s ease,border-color .16s ease;
}
.btn-main{background:var(--c-primary);color:#fff;box-shadow:var(--sh-1);}
.btn-main:hover{background:var(--c-primary-deep);color:#fff;transform:translateY(-1px);box-shadow:var(--sh-2);}
.btn-main:active{transform:translateY(0);box-shadow:var(--sh-1);}
.btn-ghost{background:transparent;color:var(--c-primary);border-color:var(--c-primary);}
.btn-ghost:hover{background:rgba(31,93,82,.08);color:var(--c-primary-deep);transform:translateY(-1px);}
.btn-line{background:rgba(255,255,255,.75);color:var(--c-ink);border-color:var(--c-line);}
.btn-line:hover{color:var(--c-primary);border-color:rgba(31,93,82,.4);}
.btn-main--sm,.btn-ghost--sm{padding:9px 16px;font-size:14px;min-height:40px;}

.link-more{
  display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:700;color:var(--c-primary);
  background-image:linear-gradient(var(--c-primary),var(--c-primary));
  background-repeat:no-repeat;background-position:0 100%;background-size:0 1px;
  transition:background-size .2s ease,color .2s ease;
  padding-bottom:2px;
}
.link-more:hover{background-size:100% 1px;color:var(--c-primary-deep);}

/* header search */
.header-search{
  max-height:0;overflow:hidden;opacity:0;
  border-top:1px solid transparent;
  transition:max-height .28s ease,opacity .2s ease,border-color .28s ease;
}
.header-search.open{max-height:78px;opacity:1;border-top-color:var(--c-line);}
.header-search .inner{display:flex;align-items:center;gap:12px;padding:14px 0;}
.header-search input{
  flex:1 1 auto;height:46px;border-radius:var(--r-btn);
  border:1px solid var(--c-line);background:#fff;padding:0 16px;font-size:15px;color:var(--c-ink);
}
.header-search input:focus{outline:none;border-color:var(--c-primary);box-shadow:0 0 0 2px rgba(31,93,82,.22);}

/* mobile offcanvas */
.mobile-nav{width:320px !important;background:var(--c-bg);}
.mobile-nav .offcanvas-header{border-bottom:1px solid var(--c-line);padding:18px 20px;}
.mobile-nav .offcanvas-body{padding:20px;}
.mobile-nav .m-link{
  display:block;font-size:17px;line-height:2.2;color:var(--c-ink);font-weight:600;
  border-bottom:1px solid var(--c-line);
}
.mobile-nav .m-link.active,.mobile-nav .m-link:hover{color:var(--c-primary);}
.mobile-foot{margin-top:22px;display:grid;gap:10px;font-size:13.5px;color:var(--c-ink-soft);}

/* ---------- Article hero ---------- */
.article-hero{
  position:relative;
  padding:34px 0 34px;
  background:
    radial-gradient(120% 130% at 88% -10%, rgba(237,231,218,.9) 0%, rgba(251,250,247,0) 58%),
    var(--c-bg);
  border-bottom:1px solid var(--c-line);
}
.crumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--c-ink-soft);}
.crumb a{color:var(--c-ink-soft);}
.crumb a:hover{color:var(--c-primary);}
.crumb .sep{color:rgba(16,26,24,.32);}
.crumb .now{color:var(--c-ink);font-weight:600;}

.pill{
  display:inline-flex;align-items:center;gap:6px;
  padding:5px 13px;border-radius:var(--r-pill);
  border:1px solid rgba(31,93,82,.28);background:rgba(31,93,82,.07);
  font-size:12.5px;font-weight:700;color:var(--c-primary);letter-spacing:.01em;
}
.pill--accent{border-color:rgba(196,85,42,.3);background:rgba(196,85,42,.08);color:var(--c-accent);}
.pill--plain{border-color:var(--c-line);background:#fff;color:var(--c-ink-soft);font-weight:600;}

.article-hero h1{
  font-size:clamp(1.75rem,1.15rem + 2.2vw,2.9rem);
  font-weight:800;line-height:1.34;margin:18px 0 16px;max-width:900px;
}
.article-meta{
  display:flex;flex-wrap:wrap;align-items:center;gap:14px;
  font-size:14px;color:var(--c-ink-soft);
}
.article-meta .dot{width:1px;height:14px;background:var(--c-line-strong);display:inline-block;}

/* ---------- Layout ---------- */
.section{padding:56px 0;}
@media (min-width:992px){.section{padding:88px 0;}}
.section--tight{padding-top:44px;}
.section-head{margin-bottom:32px;}
.section-head h2{font-size:clamp(1.45rem,1.1rem + 1.1vw,2rem);}
.section-head p{margin-top:10px;color:var(--c-ink-soft);font-size:16px;max-width:720px;}

.article-grid{display:grid;grid-template-columns:minmax(0,1fr);gap:40px;}
@media (min-width:992px){
  .article-grid{grid-template-columns:minmax(0,1fr) 340px;gap:56px;}
}

/* ---------- Article body ---------- */
.article-body{max-width:760px;font-size:17px;line-height:1.92;color:var(--c-ink);}
.article-body > *:first-child{margin-top:0;}
.article-body p{margin:0 0 1.2em;}
.article-body strong{font-weight:700;}
.article-body h2{
  position:relative;
  font-size:clamp(1.3rem,1.05rem + .85vw,1.8rem);
  font-weight:800;margin:2.2em 0 .8em;padding-top:24px;
}
.article-body h2::before{
  content:"";position:absolute;top:0;left:0;height:3px;width:32px;
  background:var(--c-primary);border-radius:2px;
  transform-origin:left center;transform:scaleX(1);
  transition:transform .42s var(--ease);
}
.js .article-body h2::before{transform:scaleX(0);}
.js .article-body h2.is-visible::before{transform:scaleX(1);}
.article-body h3{font-size:clamp(1.12rem,1rem + .4vw,1.3rem);font-weight:700;margin:1.7em 0 .6em;}
.article-body ul,.article-body ol{margin:0 0 1.3em;padding-left:0;}
.article-body ul li,.article-body ol li{position:relative;padding-left:24px;margin-bottom:.55em;color:var(--c-ink);}
.article-body ul li::before{
  content:"";position:absolute;left:2px;top:.78em;
  width:7px;height:7px;border-radius:2px;background:var(--c-primary);
}
.article-body ol{counter-reset:olc;}
.article-body ol li{counter-increment:olc;}
.article-body ol li::before{
  content:counter(olc,decimal-leading-zero);
  position:absolute;left:0;top:0;
  font-size:12.5px;font-weight:800;color:var(--c-primary);letter-spacing:.02em;
  line-height:1.9;
}
.article-body blockquote{
  margin:1.6em 0;padding:18px 22px;
  border-left:3px solid var(--c-primary);
  background:rgba(237,231,218,.5);
  border-radius:0 var(--r-card) var(--r-card) 0;
  color:var(--c-ink-soft);font-size:16.5px;
}
.article-body blockquote p:last-child{margin-bottom:0;}
.article-body img{border-radius:var(--r-card);margin:1.6em 0 .6em;}
.article-body figure{margin:1.6em 0;}
.article-body figcaption{
  font-size:12.5px;color:var(--c-ink-soft);text-align:center;margin-top:10px;
}
.article-body .table-wrap{overflow-x:auto;margin:1.6em 0;border:1px solid var(--c-line);border-radius:var(--r-card);}
.article-body table{width:100%;border-collapse:collapse;font-size:15px;min-width:520px;}
.article-body thead th{
  background:rgba(237,231,218,.65);font-weight:700;text-align:left;
  padding:13px 16px;border-bottom:1px solid var(--c-line);white-space:nowrap;
}
.article-body tbody td{padding:12px 16px;border-bottom:1px solid rgba(16,26,24,.06);color:var(--c-ink-soft);}
.article-body tbody tr:nth-child(even){background:rgba(237,231,218,.22);}
.article-body tbody tr:last-child td{border-bottom:0;}
.article-body hr{border:0;border-top:1px solid var(--c-line);margin:2.4em 0;}
.article-body a{font-weight:600;background-image:linear-gradient(var(--c-primary),var(--c-primary));background-repeat:no-repeat;background-position:0 100%;background-size:100% 1px;}
.article-body a:hover{background-size:0 1px;}

/* ---------- Side column ---------- */
.article-side{display:grid;gap:20px;align-content:start;}
@media (min-width:992px){.article-side{position:sticky;top:calc(var(--nav-h) + 24px);}}
.side-card{
  background:var(--c-surface);border:1px solid var(--c-line);
  border-radius:var(--r-card);padding:22px;box-shadow:var(--sh-1);
}
.side-title{font-size:15.5px;font-weight:800;margin-bottom:14px;}
.toc-toggle{
  display:flex;width:100%;align-items:center;justify-content:space-between;
  background:none;border:0;padding:0;font-size:15.5px;font-weight:800;color:var(--c-ink);cursor:pointer;
}
.toc-nav{display:grid;gap:2px;border-left:1px solid var(--c-line);margin-left:2px;}
.toc-link{
  display:block;font-size:14px;line-height:1.7;color:var(--c-ink-soft);
  padding:6px 0 6px 14px;border-left:2px solid transparent;margin-left:-1px;
  transition:color .2s ease,border-color .2s ease;
}
.toc-link:hover{color:var(--c-primary);border-left-color:var(--c-primary);}
.check-list li{
  position:relative;padding-left:26px;font-size:14.5px;color:var(--c-ink-soft);
  line-height:1.8;margin-bottom:10px;
}
.check-list li:last-child{margin-bottom:0;}
.check-list li::before{
  content:"\f00c";font-family:"Font Awesome 6 Free";font-weight:900;
  position:absolute;left:0;top:2px;color:var(--c-primary);font-size:12.5px;
}
.side-card--dark{
  background:var(--c-primary-deep);border-color:var(--c-primary-deep);color:rgba(255,255,255,.86);
}
.side-card--dark h3{color:#fff;font-size:15.5px;margin-bottom:10px;}
.side-card--dark p{font-size:14px;line-height:1.8;margin-bottom:16px;}
.btn-ghost-light{
  display:inline-flex;align-items:center;gap:8px;
  border:1px solid rgba(255,255,255,.35);background:transparent;color:#fff;
  border-radius:var(--r-btn);padding:10px 18px;font-size:14px;font-weight:700;
  transition:background .18s ease,border-color .18s ease;
}
.btn-ghost-light:hover{background:rgba(255,255,255,.12);border-color:#fff;color:#fff;}

/* ---------- Tags / Related ---------- */
.tag-row{display:flex;flex-wrap:wrap;gap:10px;margin-top:40px;padding-top:26px;border-top:1px solid var(--c-line);}
.tag{
  display:inline-flex;align-items:center;padding:6px 14px;border-radius:var(--r-pill);
  border:1px solid var(--c-line);background:#fff;font-size:13px;color:var(--c-ink-soft);
  transition:color .18s ease,border-color .18s ease,transform .18s ease;
}
.tag:hover{color:var(--c-primary);border-color:rgba(31,93,82,.4);transform:translateY(-1px);}

.related-grid{display:grid;grid-template-columns:1fr;gap:22px;}
@media (min-width:640px){.related-grid{grid-template-columns:repeat(2,minmax(0,1fr));}}
@media (min-width:992px){.related-grid{grid-template-columns:repeat(3,minmax(0,1fr));}}
.rel-card{
  display:flex;flex-direction:column;background:var(--c-surface);
  border:1px solid var(--c-line);border-radius:var(--r-card);overflow:hidden;
  box-shadow:var(--sh-1);transition:box-shadow .3s ease,transform .3s var(--ease),border-color .3s ease;
}
.rel-card:hover{box-shadow:var(--sh-2);transform:translateY(-2px);border-color:rgba(31,93,82,.24);}
.rel-thumb{position:relative;aspect-ratio:16/10;overflow:hidden;background:var(--c-sand);}
.rel-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .4s var(--ease);}
.rel-card:hover .rel-thumb img{transform:scale(1.03);}
.rel-body{padding:18px 20px 20px;display:flex;flex-direction:column;gap:10px;flex:1 1 auto;}
.rel-body h3{font-size:16.5px;line-height:1.5;font-weight:700;}
.rel-body h3 a{color:var(--c-ink);}
.rel-card:hover .rel-body h3 a{color:var(--c-primary);}
.rel-body p{font-size:14px;color:var(--c-ink-soft);line-height:1.75;}
.rel-date{font-size:13px;color:var(--c-ink-soft);margin-top:auto;}

/* ---------- FAQ ---------- */
.faq-wrap{max-width:880px;}
.accordion-item{
  border:1px solid var(--c-line) !important;
  border-radius:var(--r-card) !important;
  background:var(--c-surface);margin-bottom:14px;overflow:hidden;box-shadow:var(--sh-1);
}
.accordion-button{
  background:var(--c-surface);color:var(--c-ink);
  font-size:16.5px;font-weight:700;padding:20px 22px;box-shadow:none !important;
  border-radius:var(--r-card) !important;
  transition:color .2s ease,background .2s ease;
}
.accordion-button:not(.collapsed){color:var(--c-primary);background:rgba(31,93,82,.05);}
.accordion-button::after{
  width:16px;height:16px;background-size:16px;background-image:none;
  content:"\f067";font-family:"Font Awesome 6 Free";font-weight:900;
  color:var(--c-primary);font-size:13px;display:flex;align-items:center;justify-content:center;
  transition:transform .24s ease;
}
.accordion-button:not(.collapsed)::after{transform:rotate(45deg);}
.accordion-body{padding:0 22px 20px;font-size:15.5px;color:var(--c-ink-soft);line-height:1.85;}

/* ---------- CTA ---------- */
.cta-band{
  background:linear-gradient(180deg,rgba(237,231,218,.62) 0%,rgba(237,231,218,.32) 100%);
  border-top:1px solid var(--c-line);border-bottom:1px solid var(--c-line);
}
.cta-inner{display:grid;gap:34px;grid-template-columns:1fr;align-items:center;}
@media (min-width:992px){.cta-inner{grid-template-columns:minmax(0,1.15fr) minmax(0,.85fr);gap:56px;}}
.cta-inner h2{font-size:clamp(1.5rem,1.15rem + 1.2vw,2.05rem);}
.cta-inner .lead{margin-top:14px;color:var(--c-ink-soft);font-size:16.5px;max-width:620px;}
.cta-points{margin-top:22px;display:grid;gap:12px;}
.cta-points li{position:relative;padding-left:26px;font-size:15.5px;color:var(--c-ink);}
.cta-points li::before{
  content:"\f00c";font-family:"Font Awesome 6 Free";font-weight:900;
  position:absolute;left:0;top:1px;color:var(--c-accent);font-size:12.5px;
}
.cta-form{
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-lg);
  padding:28px;box-shadow:var(--sh-2);
}
.cta-form h3{font-size:17px;margin-bottom:8px;}
.cta-form .hint{font-size:13.5px;color:var(--c-ink-soft);margin-bottom:18px;}
.field{margin-bottom:14px;}
.field label{display:block;font-size:13.5px;font-weight:700;color:var(--c-ink);margin-bottom:7px;}
.field input,.field select{
  width:100%;height:48px;padding:0 15px;font-size:15px;color:var(--c-ink);
  background:#fff;border:1px solid var(--c-line);border-radius:var(--r-btn);
  transition:border-color .18s ease,box-shadow .18s ease;
}
.field input::placeholder{color:rgba(70,83,79,.6);}
.field input:focus,.field select:focus{outline:none;border-color:var(--c-primary);box-shadow:0 0 0 2px rgba(31,93,82,.22);}
.form-note{font-size:12.5px;color:var(--c-ink-soft);margin-top:12px;line-height:1.7;}
.w-full{width:100%;}

/* ---------- Empty state ---------- */
.empty-state{
  border:1px dashed var(--c-line-strong);border-radius:var(--r-card);
  background:var(--c-surface);padding:56px 24px;text-align:center;
}
.empty-state i{font-size:26px;color:var(--c-ink-soft);}
.empty-state p{margin:14px 0 12px;font-size:15px;color:var(--c-ink-soft);}

/* ---------- Footer ---------- */
.site-footer{
  background:var(--c-primary-deep);color:rgba(255,255,255,.78);
  padding:64px 0 26px;margin-top:0;
}
.footer-brand{display:inline-flex;align-items:center;gap:10px;margin-bottom:16px;}
.footer-brand .brand-mark{background:rgba(255,255,255,.14);color:#fff;}
.footer-brand .brand-text{color:#fff;font-size:19px;font-weight:800;}
.footer-desc{font-size:14px;line-height:1.85;color:rgba(255,255,255,.68);max-width:340px;}
.site-footer h3{font-size:15px;color:#fff;margin-bottom:16px;font-weight:700;}
.footer-links li{margin-bottom:10px;}
.footer-links a{font-size:14px;color:rgba(255,255,255,.72);}
.footer-links a:hover{color:#fff;}
.footer-contact li{display:flex;gap:10px;font-size:14px;color:rgba(255,255,255,.72);margin-bottom:12px;line-height:1.7;}
.footer-contact i{margin-top:5px;color:rgba(255,255,255,.5);}
.footer-contact a{color:rgba(255,255,255,.9);}
.footer-contact a:hover{color:#fff;}
.footer-bottom{
  margin-top:44px;padding-top:20px;border-top:1px solid rgba(255,255,255,.14);
  display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;
  font-size:13px;color:rgba(255,255,255,.6);
}
.footer-bottom a{color:rgba(255,255,255,.85);}
.footer-bottom a:hover{color:#fff;}

/* ---------- Reveal ---------- */
.reveal{opacity:0;transform:translateY(16px);transition:opacity .42s var(--ease),transform .42s var(--ease);}
.reveal.is-visible{opacity:1;transform:none;}

@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto;}
  *,*::before,*::after{animation-duration:.001ms !important;transition-duration:.001ms !important;}
  .reveal{opacity:1;transform:none;}
  .js .article-body h2::before{transform:scaleX(1);}
}

@media (max-width:575.98px){
  body{font-size:16px;}
  .btn-main,.btn-ghost,.btn-line{width:100%;}
  .article-hero{padding:24px 0 26px;}
  .section{padding:44px 0;}
  .cta-form{padding:22px;}
}

/* roulang page: category1 */
:root{
  --c-ink:#101A18;
  --c-ink-soft:#46534F;
  --c-primary:#1F5D52;
  --c-primary-deep:#143F38;
  --c-accent:#C4552A;
  --c-bg:#FBFAF7;
  --c-surface:#FFFFFF;
  --c-sand:#EDE7DA;
  --c-line:rgba(16,26,24,.10);
  --c-line-light:rgba(255,255,255,.14);
  --sh-1:0 1px 2px rgba(16,26,24,.04);
  --sh-2:0 8px 24px rgba(16,26,24,.06);
  --sh-3:0 18px 48px rgba(16,26,24,.10);
  --r-card:14px;
  --r-lg:20px;
  --r-btn:10px;
  --r-pill:999px;
  --bs-primary:#1F5D52;
  --bs-primary-rgb:31,93,82;
  --bs-body-bg:#FBFAF7;
  --bs-body-color:#101A18;
  --bs-border-color:rgba(16,26,24,.10);
  --bs-border-radius:14px;
  --bs-link-color:#1F5D52;
  --bs-link-hover-color:#143F38;
  --bs-font-sans-serif:"Inter","PingFang SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,"Segoe UI",sans-serif;
}

*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--c-bg);
  color:var(--c-ink);
  font-family:var(--bs-font-sans-serif);
  font-size:16.5px;
  line-height:1.9;
  letter-spacing:.005em;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:var(--c-primary);text-decoration:none;transition:color .18s ease;}
a:hover{color:var(--c-primary-deep);}
h1,h2,h3,h4{letter-spacing:-.02em;font-weight:800;color:var(--c-ink);margin:0;}
h1{font-size:clamp(2rem,4.2vw,3.2rem);line-height:1.22;}
h2{font-size:clamp(1.5rem,2.6vw,2.25rem);line-height:1.3;}
h3{font-size:clamp(1.15rem,1.7vw,1.5rem);line-height:1.4;font-weight:700;}
p{margin:0 0 1.2em;max-width:720px;}
ul,ol{margin:0;padding:0;list-style:none;}
button{font-family:inherit;}
:focus-visible{outline:2px solid var(--c-primary);outline-offset:2px;border-radius:4px;}

.container-x{
  width:100%;
  max-width:1240px;
  margin:0 auto;
  padding:0 20px;
}
@media (min-width:992px){
  .container-x{padding:0 32px;}
}

/* ---------- 通用元素 ---------- */
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  padding:7px 16px;border:1px solid var(--c-line);
  border-radius:var(--r-pill);
  font-size:13px;font-weight:600;color:var(--c-primary);
  background:rgba(255,255,255,.7);
  letter-spacing:.02em;
}
.lead-x{
  font-size:clamp(1rem,1.4vw,1.18rem);
  color:var(--c-ink-soft);
  line-height:1.85;
  max-width:640px;
}
.section{padding:72px 0;}
@media (min-width:992px){.section{padding:110px 0;}}
.section-head{
  display:flex;align-items:flex-end;justify-content:space-between;
  gap:24px;flex-wrap:wrap;margin-bottom:48px;
}
.section-head p{margin:12px 0 0;color:var(--c-ink-soft);max-width:600px;}
.text-link{
  font-weight:600;font-size:15px;
  background-image:linear-gradient(var(--c-primary),var(--c-primary));
  background-repeat:no-repeat;background-size:0 1px;background-position:0 100%;
  padding-bottom:2px;transition:background-size .2s ease,color .2s ease;
}
.text-link:hover{background-size:100% 1px;color:var(--c-primary-deep);}
.text-link i{margin-left:6px;font-size:12px;}

.btn-x{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:14px 28px;border-radius:var(--r-btn);
  font-size:15.5px;font-weight:700;line-height:1;
  min-height:48px;border:1px solid transparent;cursor:pointer;
  transition:transform .16s ease,background-color .16s ease,box-shadow .16s ease,color .16s ease,border-color .16s ease;
}
.btn-solid{background:var(--c-primary);color:#fff;box-shadow:var(--sh-1);}
.btn-solid:hover{background:var(--c-primary-deep);color:#fff;transform:translateY(-1px);box-shadow:var(--sh-2);}
.btn-solid:active{transform:translateY(0);box-shadow:var(--sh-1);}
.btn-ghost{background:transparent;color:var(--c-primary);border-color:var(--c-primary);}
.btn-ghost:hover{background:rgba(31,93,82,.08);color:var(--c-primary-deep);transform:translateY(-1px);}
.btn-ghost:active{transform:translateY(0);}
.btn-accent{background:var(--c-accent);color:#fff;box-shadow:var(--sh-1);}
.btn-accent:hover{background:#a8451f;color:#fff;transform:translateY(-1px);box-shadow:var(--sh-2);}

.pill{
  display:inline-flex;align-items:center;
  padding:5px 13px;border-radius:var(--r-pill);
  background:var(--c-sand);color:var(--c-ink-soft);
  font-size:12.5px;font-weight:600;letter-spacing:.02em;
}
.pill-primary{background:rgba(31,93,82,.10);color:var(--c-primary);}
.pill-accent{background:rgba(196,85,42,.12);color:var(--c-accent);}

/* ---------- 导航 ---------- */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:1030;
  background:rgba(251,250,247,.55);
  backdrop-filter:blur(14px) saturate(140%);
  -webkit-backdrop-filter:blur(14px) saturate(140%);
  border-bottom:1px solid rgba(255,255,255,.28);
  box-shadow:var(--sh-2);
  transition:background-color .24s ease,box-shadow .24s ease,border-color .24s ease;
}
.site-header.scrolled{
  background:rgba(251,250,247,.92);
  border-bottom-color:var(--c-line);
  box-shadow:0 1px 0 rgba(16,26,24,.05),0 8px 24px rgba(16,26,24,.06);
}
.nav-inner{
  display:flex;align-items:center;gap:28px;
  height:76px;transition:height .24s ease;
}
.site-header.scrolled .nav-inner{height:64px;}
.brand{
  display:flex;align-items:center;gap:11px;
  font-weight:800;font-size:17.5px;color:var(--c-ink);
  letter-spacing:-.02em;white-space:nowrap;flex-shrink:0;
}
.brand:hover{color:var(--c-ink);}
.brand-mark{
  width:36px;height:36px;border-radius:11px;
  display:inline-flex;align-items:center;justify-content:center;
  background:var(--c-primary);color:#fff;font-size:17px;font-weight:800;
  box-shadow:var(--sh-1);flex-shrink:0;
}
.brand-text{width:auto;max-width:200px;}
.nav-links{display:flex;align-items:center;gap:30px;margin:0;padding:0;}
.nav-link-item{
  position:relative;font-size:14.5px;font-weight:600;
  color:var(--c-ink);padding:6px 0;
}
.nav-link-item::after{
  content:"";position:absolute;left:0;bottom:0;height:2px;width:0;
  background:var(--c-primary);border-radius:2px;
  transition:width .2s ease,left .2s ease;
}
.nav-link-item:hover{color:var(--c-primary);}
.nav-link-item:hover::after{width:100%;}
.nav-link-item.active{color:var(--c-primary);}
.nav-link-item.active::after{width:100%;}
.nav-tools{display:flex;align-items:center;gap:14px;margin-left:auto;}
.icon-btn{
  width:42px;height:42px;border-radius:var(--r-pill);
  border:1px solid var(--c-line);background:rgba(255,255,255,.6);
  color:var(--c-ink);display:inline-flex;align-items:center;justify-content:center;
  cursor:pointer;transition:background-color .18s ease,color .18s ease,border-color .18s ease;
}
.icon-btn:hover{background:rgba(31,93,82,.08);color:var(--c-primary);border-color:rgba(31,93,82,.3);}
.nav-search{
  display:flex;align-items:center;gap:8px;
  width:0;overflow:hidden;opacity:0;
  transition:width .24s ease,opacity .2s ease;
}
.nav-search.open{width:210px;opacity:1;}
.nav-search input{
  width:100%;height:42px;padding:0 16px;
  border:1px solid var(--c-line);border-radius:var(--r-btn);
  background:#fff;font-size:14.5px;color:var(--c-ink);
}
.nav-search input:focus{outline:none;border-color:var(--c-primary);box-shadow:0 0 0 2px rgba(31,93,82,.22);}
.nav-cta{padding:12px 22px;min-height:44px;font-size:14.5px;}
.mobile-toggle{
  margin-left:auto;
  width:44px;height:44px;border-radius:var(--r-btn);
  border:1px solid var(--c-line);background:rgba(255,255,255,.6);
  color:var(--c-ink);display:inline-flex;align-items:center;justify-content:center;
}
.offcanvas-x{width:320px;background:var(--c-bg);}
.offcanvas-x .offcanvas-header{border-bottom:1px solid var(--c-line);padding:20px 24px;}
.offcanvas-x .offcanvas-body{padding:16px 24px 28px;}
.mobile-nav a{
  display:block;font-size:17px;line-height:2.2;font-weight:600;
  color:var(--c-ink);border-bottom:1px solid var(--c-line);
}
.mobile-nav a.active{color:var(--c-primary);}
.mobile-foot{margin-top:28px;display:flex;flex-direction:column;gap:14px;}
.mobile-foot span{font-size:13.5px;color:var(--c-ink-soft);}

/* ---------- Hero ---------- */
.cat-hero{
  position:relative;
  padding:132px 0 72px;
  overflow:hidden;
  background:
    radial-gradient(900px 460px at 78% -10%, rgba(237,231,218,.9), transparent 62%),
    var(--c-bg);
}
@media (min-width:992px){.cat-hero{padding:168px 0 96px;}}
.hero-grid{display:grid;grid-template-columns:1fr;gap:48px;align-items:center;}
@media (min-width:992px){
  .hero-grid{grid-template-columns:1.05fr .95fr;gap:64px;}
}
.cat-hero h1{margin:22px 0 20px;}
.cat-hero .lead-x{margin-bottom:32px;}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;}
.hero-figure{position:relative;}
.hero-figure .figure-inner{
  position:relative;border-radius:var(--r-lg);overflow:hidden;
  aspect-ratio:4/3;box-shadow:var(--sh-3);background:var(--c-sand);
}
.hero-figure .figure-inner img{width:100%;height:100%;object-fit:cover;object-position:center;}
.float-card{
  position:absolute;left:-12px;bottom:22px;
  background:#fff;border-radius:14px;padding:16px 20px;
  box-shadow:var(--sh-3);border:1px solid var(--c-line);
  min-width:196px;
}
.float-card .fc-label{font-size:12.5px;color:var(--c-ink-soft);font-weight:600;letter-spacing:.04em;}
.float-card .fc-value{font-size:26px;font-weight:800;color:var(--c-accent);line-height:1.25;letter-spacing:-.02em;}
.float-card .fc-sub{font-size:12.5px;color:var(--c-ink-soft);}
.hero-deco{
  position:absolute;right:-40px;top:-40px;width:220px;height:220px;
  border:1px solid rgba(31,93,82,.14);border-radius:50%;pointer-events:none;
}
.hero-deco::after{
  content:"";position:absolute;inset:34px;border:1px solid rgba(31,93,82,.10);border-radius:50%;
}
.hero-stats{
  display:flex;flex-wrap:wrap;gap:28px;margin-top:38px;
  padding-top:26px;border-top:1px solid var(--c-line);
}
.hero-stats .stat{padding-right:28px;border-right:1px solid var(--c-line);}
.hero-stats .stat:last-child{border-right:none;padding-right:0;}
.hero-stats .num{font-size:24px;font-weight:800;color:var(--c-primary);letter-spacing:-.02em;line-height:1.2;}
.hero-stats .label{font-size:13px;color:var(--c-ink-soft);}

/* ---------- 步骤条 ---------- */
.steps-wrap{
  display:grid;grid-template-columns:1fr;gap:0;
  border-top:1px solid var(--c-line);
}
@media (min-width:768px){.steps-wrap{grid-template-columns:repeat(2,1fr);}}
@media (min-width:1200px){.steps-wrap{grid-template-columns:repeat(5,1fr);}}
.step-item{
  padding:28px 24px 30px 0;
  border-bottom:1px solid var(--c-line);
  position:relative;
}
@media (min-width:1200px){
  .step-item{border-bottom:none;border-right:1px solid var(--c-line);padding:32px 24px 36px;}
  .step-item:last-child{border-right:none;}
}
.step-num{
  font-size:13px;font-weight:800;color:var(--c-accent);
  letter-spacing:.12em;margin-bottom:14px;display:block;
}
.step-item h3{font-size:17px;margin-bottom:10px;}
.step-item p{font-size:14.5px;color:var(--c-ink-soft);line-height:1.8;margin:0;}

/* ---------- 卡片网格 ---------- */
.card-x{
  background:var(--c-surface);border:1px solid var(--c-line);
  border-radius:var(--r-card);overflow:hidden;height:100%;
  box-shadow:var(--sh-1);
  transition:box-shadow .3s ease,transform .3s ease;
  display:flex;flex-direction:column;
}
.card-x:hover{box-shadow:var(--sh-2);transform:translateY(-3px);}
.card-media{
  position:relative;aspect-ratio:3/4;overflow:hidden;background:var(--c-sand);
}
.card-media.wide{aspect-ratio:16/10;}
.card-media img{
  width:100%;height:100%;object-fit:cover;
  transition:transform .4s cubic-bezier(.22,.61,.36,1);
}
.card-x:hover .card-media img{transform:scale(1.03);}
.card-media .media-tag{position:absolute;top:14px;left:14px;}
.card-body-x{padding:20px 22px 22px;display:flex;flex-direction:column;flex:1;}
.card-body-x h3{font-size:17px;line-height:1.5;margin-bottom:10px;transition:color .2s ease;}
.card-x:hover .card-body-x h3{color:var(--c-primary);}
.card-body-x p{font-size:14.5px;color:var(--c-ink-soft);line-height:1.8;margin-bottom:14px;}
.card-meta{
  display:flex;align-items:center;justify-content:space-between;
  gap:12px;margin-top:auto;padding-top:14px;border-top:1px solid var(--c-line);
  font-size:13.5px;color:var(--c-ink-soft);
}
.card-meta .price{font-weight:800;color:var(--c-accent);font-size:16px;}
.icon-add{
  width:38px;height:38px;border-radius:var(--r-pill);
  border:1px solid var(--c-line);background:#fff;color:var(--c-primary);
  display:inline-flex;align-items:center;justify-content:center;
  transition:background-color .2s ease,color .2s ease,border-color .2s ease;
}
.icon-add:hover{background:var(--c-primary);color:#fff;border-color:var(--c-primary);}

/* ---------- 保障条 ---------- */
.assure-bar{
  background:rgba(237,231,218,.5);
  border-top:1px solid var(--c-line);border-bottom:1px solid var(--c-line);
  padding:34px 0;
}
.assure-grid{display:grid;grid-template-columns:1fr;gap:24px;}
@media (min-width:768px){.assure-grid{grid-template-columns:repeat(2,1fr);}}
@media (min-width:1200px){.assure-grid{grid-template-columns:repeat(4,1fr);gap:0;}}
.assure-item{
  display:flex;gap:16px;align-items:flex-start;padding:0 22px;
}
@media (min-width:1200px){
  .assure-item{border-right:1px solid var(--c-line);}
  .assure-item:last-child{border-right:none;}
  .assure-item:first-child{padding-left:0;}
}
.assure-item i{
  font-size:19px;color:var(--c-primary);
  margin-top:3px;width:24px;text-align:center;
}
.assure-item .a-title{font-weight:700;font-size:15.5px;display:block;margin-bottom:3px;}
.assure-item .a-sub{font-size:12.5px;color:var(--c-ink-soft);line-height:1.7;display:block;}

/* ---------- 双栏信任区 ---------- */
.trust-split{
  display:grid;grid-template-columns:1fr;gap:44px;align-items:center;
}
@media (min-width:992px){.trust-split{grid-template-columns:.95fr 1.05fr;gap:68px;}}
.trust-img{
  border-radius:var(--r-lg);overflow:hidden;aspect-ratio:5/4;
  background:var(--c-sand);box-shadow:var(--sh-2);
}
.trust-img img{width:100%;height:100%;object-fit:cover;}
.check-list{margin:26px 0 34px;display:flex;flex-direction:column;gap:16px;}
.check-list li{
  display:flex;gap:14px;align-items:flex-start;
  font-size:15.5px;color:var(--c-ink);line-height:1.75;
}
.check-list li i{
  flex-shrink:0;margin-top:6px;font-size:12px;color:var(--c-primary);
  width:20px;height:20px;border-radius:var(--r-pill);
  background:rgba(31,93,82,.1);
  display:inline-flex;align-items:center;justify-content:center;
}
.check-list li span small{display:block;font-size:13.5px;color:var(--c-ink-soft);margin-top:3px;}

/* ---------- FAQ ---------- */
.faq-wrap{max-width:880px;margin:0 auto;}
.faq-wrap .accordion-item{
  border:1px solid var(--c-line);border-radius:var(--r-card);
  background:var(--c-surface);margin-bottom:14px;overflow:hidden;
}
.faq-wrap .accordion-button{
  background:var(--c-surface);color:var(--c-ink);
  font-size:16.5px;font-weight:700;
  padding:22px 26px;box-shadow:none;border-radius:var(--r-card);
  letter-spacing:-.01em;
}
.faq-wrap .accordion-button:not(.collapsed){color:var(--c-primary);background:var(--c-surface);box-shadow:none;}
.faq-wrap .accordion-button:focus{box-shadow:none;outline:2px solid var(--c-primary);outline-offset:-2px;}
.faq-wrap .accordion-button::after{
  background-image:none;content:"\f068";
  font-family:"Font Awesome 6 Free";font-weight:900;font-size:13px;
  width:32px;height:32px;border-radius:var(--r-pill);
  background-color:rgba(31,93,82,.08);color:var(--c-primary);
  display:flex;align-items:center;justify-content:center;
  transition:transform .24s ease,background-color .24s ease;
  flex-shrink:0;
}
.faq-wrap .accordion-button.collapsed::after{
  content:"\2b";background-color:var(--c-sand);color:var(--c-ink-soft);
}
.faq-wrap .accordion-body{
  padding:0 26px 24px;color:var(--c-ink-soft);font-size:15px;line-height:1.9;max-width:720px;
}
.accordion-collapse{transition:height .24s ease;}

/* ---------- 交叉入口 ---------- */
.cross-links{display:grid;grid-template-columns:1fr;gap:20px;}
@media (min-width:768px){.cross-links{grid-template-columns:1fr 1fr;}}
.cross-card{
  display:flex;align-items:center;justify-content:space-between;gap:20px;
  padding:26px 28px;border:1px solid var(--c-line);border-radius:var(--r-card);
  background:var(--c-surface);box-shadow:var(--sh-1);
  transition:box-shadow .24s ease,transform .24s ease,border-color .24s ease;
}
.cross-card:hover{box-shadow:var(--sh-2);transform:translateY(-2px);border-color:rgba(31,93,82,.28);}
.cross-card .cc-label{font-size:12.5px;font-weight:700;color:var(--c-accent);letter-spacing:.1em;display:block;margin-bottom:8px;}
.cross-card .cc-title{font-size:17px;font-weight:800;color:var(--c-ink);}
.cross-card i.cc-arrow{color:var(--c-primary);font-size:16px;}

/* ---------- CTA ---------- */
.cta-band{
  background:rgba(237,231,218,.62);
  border-top:1px solid var(--c-line);border-bottom:1px solid var(--c-line);
  padding:64px 0;
}
@media (min-width:992px){.cta-band{padding:84px 0;}}
.cta-inner{
  display:grid;grid-template-columns:1fr;gap:32px;align-items:center;
}
@media (min-width:992px){.cta-inner{grid-template-columns:1.4fr .6fr;gap:56px;}}
.cta-inner h2{margin-bottom:14px;}
.cta-inner p{color:var(--c-ink-soft);margin:0;}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;}
@media (min-width:992px){.cta-actions{justify-content:flex-end;}}

/* ---------- 表单 ---------- */
.form-card{
  background:#fff;border:1px solid var(--c-line);border-radius:var(--r-card);
  padding:28px;box-shadow:var(--sh-2);
}
.form-card .form-label{font-size:14px;font-weight:600;color:var(--c-ink);margin-bottom:8px;}
.form-card .form-control,.form-card .form-select{
  height:48px;border-radius:var(--r-btn);border:1px solid var(--c-line);
  font-size:15px;color:var(--c-ink);background:#fff;
}
.form-card .form-control:focus,.form-card .form-select:focus{
  border-color:var(--c-primary);box-shadow:0 0 0 2px rgba(31,93,82,.22);
}
.form-note{font-size:12.5px;color:var(--c-ink-soft);margin:14px 0 0;line-height:1.7;}

/* ---------- 页脚 ---------- */
.site-footer{
  background:var(--c-primary-deep);color:rgba(251,250,247,.82);
  padding:76px 0 0;margin-top:0;
}
.site-footer h3{
  font-size:14px;font-weight:700;color:#fff;letter-spacing:.02em;
  margin-bottom:20px;
}
.footer-brand{
  display:flex;align-items:center;gap:11px;margin-bottom:20px;
  color:#fff;font-weight:800;font-size:17.5px;letter-spacing:-.02em;
}
.footer-brand:hover{color:#fff;}
.footer-brand .brand-mark{background:rgba(251,250,247,.14);color:#fff;}
.footer-desc{font-size:14px;line-height:1.9;color:rgba(251,250,247,.7);max-width:340px;margin:0;}
.footer-links{display:flex;flex-direction:column;gap:12px;}
.footer-links a{font-size:14.5px;color:rgba(251,250,247,.78);}
.footer-links a:hover{color:#fff;}
.footer-contact{display:flex;flex-direction:column;gap:12px;}
.footer-contact li{display:flex;gap:10px;font-size:14px;color:rgba(251,250,247,.78);line-height:1.7;}
.footer-contact i{margin-top:6px;font-size:13px;color:rgba(251,250,247,.6);}
.footer-contact a{color:rgba(251,250,247,.9);text-decoration:underline;text-underline-offset:3px;}
.footer-contact a:hover{color:#fff;}
.footer-bottom{
  margin-top:56px;padding:24px 0;border-top:1px solid var(--c-line-light);
  display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;
  font-size:13px;color:rgba(251,250,247,.62);
}
.footer-bottom a{color:rgba(251,250,247,.8);}

/* ---------- 动效 ---------- */
.reveal{opacity:0;transform:translateY(16px);transition:opacity .42s ease,transform .42s ease;}
.reveal.is-visible{opacity:1;transform:translateY(0);}

@media (max-width:991px){
  .nav-cta{display:none;}
  .float-card{left:14px;bottom:14px;padding:13px 16px;min-width:170px;}
  .hero-deco{display:none;}
}
@media (max-width:575px){
  body{font-size:16px;}
  .section{padding:56px 0;}
  .cat-hero{padding:118px 0 56px;}
  .hero-actions .btn-x{width:100%;}
  .hero-stats{gap:18px;}
  .hero-stats .stat{padding-right:18px;}
  .cta-actions .btn-x{width:100%;}
  .float-card{position:static;margin-top:16px;display:inline-block;}
  .assure-item{padding:0;}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.001ms !important;transition-duration:.001ms !important;}
  .reveal{opacity:1;transform:none;}
  html{scroll-behavior:auto;}
}

/* roulang page: category2 */
:root{
  --c-ink:#101A18;
  --c-ink-soft:#46534F;
  --c-primary:#1F5D52;
  --c-primary-deep:#143F38;
  --c-accent:#C4552A;
  --c-bg:#FBFAF7;
  --c-surface:#FFFFFF;
  --c-sand:#EDE7DA;
  --c-line:rgba(16,26,24,.10);
  --r-card:14px;
  --r-hero:20px;
  --r-btn:10px;
  --sh-1:0 1px 2px rgba(16,26,24,.04);
  --sh-2:0 8px 24px rgba(16,26,24,.06);
  --sh-3:0 18px 48px rgba(16,26,24,.10);
  --bs-primary:#1F5D52;
  --bs-body-bg:#FBFAF7;
  --bs-body-color:#101A18;
  --bs-border-radius:14px;
  --bs-body-font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC","Helvetica Neue",Arial,sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--c-bg);
  color:var(--c-ink);
  font-family:var(--bs-body-font-family);
  font-size:16.5px;
  line-height:1.9;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:var(--c-primary);text-decoration:none;transition:color .16s ease;}
a:hover{color:var(--c-primary-deep);}
h1,h2,h3,h4{margin:0;font-weight:800;letter-spacing:-0.02em;color:var(--c-ink);line-height:1.32;}
p{margin:0 0 1.2em;max-width:760px;}
ul,ol{margin:0;padding:0;list-style:none;}
button,input,select,textarea{font:inherit;color:inherit;}
:focus{outline:none;}
:focus-visible{outline:2px solid var(--c-primary);outline-offset:2px;border-radius:4px;}
::selection{background:rgba(31,93,82,.16);}

.container-x{width:100%;max-width:1240px;margin:0 auto;padding:0 20px;}
@media(min-width:992px){.container-x{padding:0 32px;}}

.section{padding:64px 0;}
@media(min-width:992px){.section{padding:96px 0;}}
.section-tight{padding:48px 0;}
@media(min-width:992px){.section-tight{padding:72px 0;}}

.section-head{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:16px;margin-bottom:36px;}
.section-head h2{font-size:clamp(1.5rem,2.4vw,2.25rem);}
.section-head p{margin:10px 0 0;color:var(--c-ink-soft);font-size:15.5px;}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:700;letter-spacing:.06em;color:var(--c-primary);text-transform:none;}
.eyebrow::before{content:"";width:22px;height:1px;background:var(--c-primary);display:block;}

/* ============ 导航 ============ */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:1040;
  background:rgba(251,250,247,.55);
  -webkit-backdrop-filter:blur(14px) saturate(140%);
  backdrop-filter:blur(14px) saturate(140%);
  border-bottom:1px solid rgba(255,255,255,.28);
  box-shadow:var(--sh-2);
  transition:background .24s ease,height .24s ease,box-shadow .24s ease,border-color .24s ease;
}
.site-header .header-inner{display:flex;align-items:center;gap:20px;height:76px;transition:height .24s ease;}
.site-header.is-stuck{background:rgba(251,250,247,.92);border-bottom-color:var(--c-line);box-shadow:var(--sh-1);}
.site-header.is-stuck .header-inner{height:64px;}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto;}
.brand-mark{
  width:34px;height:34px;border-radius:10px;display:grid;place-items:center;
  background:var(--c-primary);color:#fff;font-weight:800;font-size:16px;flex:0 0 auto;
}
.brand-text{font-weight:800;font-size:17.5px;letter-spacing:-0.02em;color:var(--c-ink);white-space:nowrap;}
.nav-links{display:flex;align-items:center;gap:4px;margin-left:8px;}
.nav-link-item{
  position:relative;padding:8px 12px;font-size:14.5px;color:var(--c-ink-soft);font-weight:500;border-radius:8px;
}
.nav-link-item::after{
  content:"";position:absolute;left:12px;right:12px;bottom:2px;height:2px;border-radius:2px;
  background:var(--c-primary);transform:scaleX(0);transform-origin:left;transition:transform .2s ease;
}
.nav-link-item:hover{color:var(--c-primary);}
.nav-link-item:hover::after{transform:scaleX(1);}
.nav-link-item.active{color:var(--c-primary);font-weight:700;}
.nav-link-item.active::after{transform:scaleX(1);}
.header-actions{display:flex;align-items:center;gap:12px;margin-left:auto;}
.icon-btn{
  width:40px;height:40px;border-radius:10px;border:1px solid var(--c-line);background:rgba(255,255,255,.6);
  display:grid;place-items:center;color:var(--c-ink-soft);cursor:pointer;transition:all .16s ease;
}
.icon-btn:hover{color:var(--c-primary);border-color:rgba(31,93,82,.34);background:rgba(255,255,255,.9);}
.header-search{
  display:flex;align-items:center;gap:8px;height:40px;border-radius:999px;border:1px solid var(--c-line);
  background:rgba(255,255,255,.75);padding:0 6px 0 14px;width:0;opacity:0;overflow:hidden;
  transition:width .24s ease,opacity .24s ease,padding .24s ease;
}
.header-search.is-open{width:220px;opacity:1;padding:0 6px 0 14px;}
.header-search input{border:0;background:transparent;flex:1 1 auto;min-width:0;font-size:14px;outline:none;}
.header-search button{border:0;background:transparent;color:var(--c-primary);cursor:pointer;padding:6px;}
.menu-toggle{
  margin-left:auto;width:44px;height:44px;border-radius:10px;border:1px solid var(--c-line);
  background:rgba(255,255,255,.75);color:var(--c-ink);display:grid;place-items:center;cursor:pointer;
}
.btn-main,.btn-ghost,.btn-darkghost{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:44px;padding:11px 22px;border-radius:var(--r-btn);font-size:15px;font-weight:600;
  cursor:pointer;border:1px solid transparent;transition:all .16s ease;white-space:nowrap;
}
.btn-main{background:var(--c-primary);color:#fff;box-shadow:var(--sh-1);}
.btn-main:hover{background:var(--c-primary-deep);color:#fff;transform:translateY(-1px);box-shadow:var(--sh-2);}
.btn-main:active{transform:translateY(0);}
.btn-ghost{background:transparent;color:var(--c-primary);border-color:rgba(31,93,82,.6);}
.btn-ghost:hover{background:rgba(31,93,82,.08);color:var(--c-primary-deep);}
.btn-darkghost{background:transparent;color:var(--c-primary-deep);border-color:rgba(20,63,56,.4);}
.btn-darkghost:hover{background:rgba(20,63,56,.08);}
.link-more{
  color:var(--c-primary);font-weight:600;font-size:15px;
  background-image:linear-gradient(var(--c-primary),var(--c-primary));
  background-repeat:no-repeat;background-position:0 100%;background-size:0 1px;
  padding-bottom:3px;transition:background-size .2s ease,color .16s ease;
}
.link-more:hover{background-size:100% 1px;color:var(--c-primary-deep);}

/* 移动端抽屉 */
.offcanvas.mobile-menu{width:320px;background:var(--c-bg);}
.mobile-menu .offcanvas-header{border-bottom:1px solid var(--c-line);padding:18px 22px;}
.mobile-menu .offcanvas-body{padding:18px 22px 28px;display:flex;flex-direction:column;}
.mobile-menu a.m-link{display:block;font-size:17px;line-height:2.2;color:var(--c-ink);font-weight:500;border-bottom:1px solid var(--c-line);}
.mobile-menu a.m-link:hover,.mobile-menu a.m-link.active{color:var(--c-primary);font-weight:700;}
.mobile-menu .m-foot{margin-top:auto;padding-top:24px;font-size:13.5px;color:var(--c-ink-soft);}

/* ============ 分类页 Hero ============ */
.cat-hero{padding-top:112px;}
.cat-hero .hero-banner{
  position:relative;border-radius:var(--r-hero);overflow:hidden;background:var(--c-sand);
  height:clamp(240px,42vw,420px);box-shadow:var(--sh-2);
}
.cat-hero .hero-banner img{width:100%;height:100%;object-fit:cover;object-position:center 40%;}
.cat-hero .hero-banner::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(16,26,24,.06) 0%,rgba(16,26,24,.34) 100%);
}
.hero-glass-tag{
  position:absolute;left:28px;bottom:28px;z-index:2;
  display:inline-flex;align-items:center;gap:8px;padding:8px 16px;border-radius:999px;
  background:rgba(251,250,247,.82);-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);
  border:1px solid rgba(255,255,255,.5);font-size:13px;font-weight:700;color:var(--c-primary-deep);
}
.hero-card{
  position:relative;z-index:3;background:var(--c-surface);border:1px solid var(--c-line);
  border-radius:var(--r-hero);box-shadow:var(--sh-3);
  padding:36px 32px;margin:-76px auto 0;max-width:920px;
}
@media(min-width:992px){.hero-card{padding:48px 52px;margin-top:-96px;}}
.badge-pill{
  display:inline-flex;align-items:center;gap:8px;padding:6px 14px;border-radius:999px;
  border:1px solid rgba(31,93,82,.32);background:rgba(31,93,82,.06);
  font-size:13px;font-weight:700;color:var(--c-primary);
}
.hero-card h1{
  font-size:clamp(2rem,4vw,3.1rem);margin:20px 0 16px;letter-spacing:-0.03em;
}
.hero-card .hero-sub{font-size:clamp(1rem,1.3vw,1.08rem);color:var(--c-ink-soft);max-width:660px;margin-bottom:28px;}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;}
.hero-meta{display:flex;flex-wrap:wrap;gap:22px;margin-top:30px;padding-top:24px;border-top:1px solid var(--c-line);}
.hero-meta .hm-item{display:flex;flex-direction:column;gap:2px;padding-right:22px;border-right:1px solid var(--c-line);}
.hero-meta .hm-item:last-child{border-right:0;padding-right:0;}
.hero-meta .hm-num{font-size:22px;font-weight:800;color:var(--c-primary);letter-spacing:-0.02em;font-variant-numeric:tabular-nums;}
.hero-meta .hm-txt{font-size:12.5px;color:var(--c-ink-soft);}

/* ============ 数据条 ============ */
.stat-strip{border-top:1px solid var(--c-line);border-bottom:1px solid var(--c-line);background:rgba(237,231,218,.34);}
.stat-grid{display:grid;grid-template-columns:1fr;gap:0;}
@media(min-width:640px){.stat-grid{grid-template-columns:repeat(2,1fr);}}
@media(min-width:992px){.stat-grid{grid-template-columns:repeat(4,1fr);}}
.stat-cell{padding:26px 4px;border-bottom:1px solid var(--c-line);}
@media(min-width:640px){.stat-cell{padding:30px 24px;border-right:1px solid var(--c-line);}
  .stat-cell:nth-child(2n){border-right:0;}}
@media(min-width:992px){.stat-cell{border-bottom:0;padding:34px 30px;}
  .stat-cell:nth-child(2n){border-right:1px solid var(--c-line);}
  .stat-cell:last-child{border-right:0;}}
.stat-cell .st-num{font-size:clamp(1.6rem,2.6vw,2.1rem);font-weight:800;color:var(--c-ink);letter-spacing:-0.03em;font-variant-numeric:tabular-nums;}
.stat-cell .st-num em{font-style:normal;color:var(--c-accent);}
.stat-cell .st-label{font-size:15px;font-weight:700;margin-top:6px;}
.stat-cell .st-desc{font-size:12.5px;color:var(--c-ink-soft);line-height:1.7;margin:4px 0 0;max-width:none;}

/* ============ 要点编号列表 ============ */
.point-list{border-top:1px solid var(--c-line);}
.point-item{
  display:grid;grid-template-columns:64px 1fr;gap:18px;align-items:start;
  padding:26px 0;border-bottom:1px solid var(--c-line);transition:background .2s ease;
}
.point-item:hover{background:rgba(31,93,82,.035);}
.point-item .p-no{font-size:14px;font-weight:800;color:var(--c-primary);letter-spacing:.04em;padding-top:4px;}
.point-item h3{font-size:clamp(1.05rem,1.5vw,1.25rem);margin-bottom:6px;}
.point-item p{color:var(--c-ink-soft);font-size:15.5px;margin:0;max-width:640px;}
@media(max-width:575px){.point-item{grid-template-columns:1fr;gap:6px;}}

/* ============ 流程步骤 ============ */
.step-flow{display:grid;grid-template-columns:1fr;gap:0;border-top:1px solid var(--c-line);}
@media(min-width:768px){.step-flow{grid-template-columns:repeat(2,1fr);}}
@media(min-width:992px){.step-flow{grid-template-columns:repeat(4,1fr);}}
.step-item{padding:28px 24px 30px 0;border-bottom:1px solid var(--c-line);position:relative;}
@media(min-width:768px){.step-item{border-right:1px solid var(--c-line);padding-left:24px;}
  .step-item:nth-child(2n){border-right:0;}}
@media(min-width:992px){.step-item{padding-left:26px;}
  .step-item:nth-child(2n){border-right:1px solid var(--c-line);}
  .step-item:last-child{border-right:0;}}
.step-item .step-no{
  display:inline-grid;place-items:center;width:36px;height:36px;border-radius:10px;
  background:rgba(31,93,82,.08);color:var(--c-primary);font-weight:800;font-size:14px;margin-bottom:14px;
}
.step-item h3{font-size:17px;margin-bottom:8px;}
.step-item p{font-size:14.5px;color:var(--c-ink-soft);margin:0;max-width:280px;line-height:1.8;}

/* ============ 组件大卡 ============ */
.sec-card{
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-card);
  overflow:hidden;height:100%;display:flex;flex-direction:column;transition:box-shadow .3s ease,transform .3s ease;
}
.sec-card:hover{box-shadow:var(--sh-2);transform:translateY(-2px);}
.sec-card .card-media{position:relative;aspect-ratio:16/10;overflow:hidden;background:var(--c-sand);}
.sec-card .card-media img{width:100%;height:100%;object-fit:cover;transition:transform .4s cubic-bezier(.22,.61,.36,1);}
.sec-card:hover .card-media img{transform:scale(1.03);}
.sec-card .card-tag{
  position:absolute;left:14px;top:14px;padding:5px 12px;border-radius:999px;font-size:12.5px;font-weight:700;
  background:rgba(251,250,247,.9);color:var(--c-primary-deep);border:1px solid rgba(255,255,255,.6);
}
.sec-card .card-body{padding:22px 24px 24px;display:flex;flex-direction:column;flex:1 1 auto;}
.sec-card h3{font-size:19px;margin-bottom:10px;transition:color .2s ease;}
.sec-card:hover h3{color:var(--c-primary);}
.sec-card p{font-size:15px;color:var(--c-ink-soft);margin-bottom:16px;max-width:none;}
.sec-card .card-spec{
  margin-top:auto;padding-top:14px;border-top:1px solid var(--c-line);
  display:flex;align-items:center;justify-content:space-between;gap:12px;font-size:13px;color:var(--c-ink-soft);
}
.sec-card .card-spec .hl{color:var(--c-accent);font-weight:800;font-size:15px;font-variant-numeric:tabular-nums;}

/* ============ FAQ ============ */
.faq-acc{--bs-accordion-bg:var(--c-surface);--bs-accordion-border-color:var(--c-line);
  --bs-accordion-btn-color:var(--c-ink);--bs-accordion-active-color:var(--c-primary);
  --bs-accordion-active-bg:var(--c-surface);--bs-accordion-btn-focus-box-shadow:none;
  --bs-accordion-border-radius:var(--r-card);--bs-accordion-inner-border-radius:var(--r-card);}
.faq-acc .accordion-item{morder:1px solid var(--c-line);background:var(--c-surface);margin-bottom:14px;border-radius:var(--r-card);overflow:hidden;}
.faq-acc .accordion-button{
  font-size:16.5px;font-weight:700;padding:20px 22px;background:var(--c-surface);
  box-shadow:none;transition:background .2s ease,color .2s ease;
}
.faq-acc .accordion-button:hover{background:rgba(31,93,82,.04);}
.faq-acc .accordion-button:not(.collapsed){color:var(--c-primary);background:rgba(31,93,82,.05);}
.faq-acc .accordion-button::after{
  background-image:none;content:"\f067";font-family:"Font Awesome 6 Free";font-weight:900;
  width:auto;height:auto;font-size:13px;color:var(--c-primary);transition:transform .24s ease;
}
.faq-acc .accordion-button:not(.collapsed)::after{transform:rotate(45deg);}
.faq-acc .accordion-body{padding:4px 22px 24px;color:var(--c-ink-soft);font-size:15.5px;line-height:1.9;}
.faq-acc .accordion-body p{margin:0;max-width:720px;}

/* ============ 交叉入口 ============ */
.cross-grid .cross-card{
  display:flex;align-items:center;justify-content:space-between;gap:20px;
  padding:26px 28px;background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-card);
  transition:box-shadow .3s ease,transform .3s ease,border-color .3s ease;height:100%;
}
.cross-grid .cross-card:hover{box-shadow:var(--sh-2);transform:translateY(-2px);border-color:rgba(31,93,82,.3);}
.cross-card h3{font-size:17.5px;margin-bottom:6px;}
.cross-card p{font-size:14px;color:var(--c-ink-soft);margin:0;max-width:420px;}
.cross-card .ci{color:var(--c-primary);font-size:18px;flex:0 0 auto;}

/* ============ CTA ============ */
.cta-band{background:rgba(237,231,218,.55);border-top:1px solid var(--c-line);border-bottom:1px solid var(--c-line);}
.cta-band h2{font-size:clamp(1.5rem,2.6vw,2.1rem);margin-bottom:16px;}
.check-list li{display:flex;gap:10px;align-items:flex-start;font-size:15.5px;color:var(--c-ink);padding:7px 0;}
.check-list li i{color:var(--c-primary);margin-top:6px;font-size:13px;}
.form-card{
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-card);
  padding:26px;box-shadow:var(--sh-2);
}
.form-card label{display:block;font-size:13.5px;font-weight:700;color:var(--c-ink);margin-bottom:8px;}
.form-control-x{
  width:100%;height:48px;padding:0 16px;border-radius:var(--r-btn);border:1px solid var(--c-line);
  background:var(--c-bg);font-size:15px;transition:border-color .16s ease,box-shadow .16s ease,background .16s ease;
}
.form-control-x::placeholder{color:#9AA5A1;}
.form-control-x:hover{border-color:rgba(31,93,82,.28);}
.form-control-x:focus{outline:none;background:#fff;border-color:var(--c-primary);box-shadow:0 0 0 3px rgba(31,93,82,.14);}
.form-note{font-size:12.5px;color:var(--c-ink-soft);margin:12px 0 0;line-height:1.7;}
.form-note.is-ok{color:var(--c-primary);font-weight:600;}
.form-error{font-size:12.5px;color:var(--c-accent);margin-top:6px;display:none;}
.form-error.show{display:block;}

/* ============ 页脚 ============ */
.site-footer{background:var(--c-primary-deep);color:rgba(251,250,247,.78);padding:64px 0 28px;margin-top:0;}
.site-footer h3{color:#fff;font-size:15px;font-weight:700;margin-bottom:18px;letter-spacing:0;}
.footer-brand{display:inline-flex;align-items:center;gap:10px;margin-bottom:16px;}
.footer-brand .brand-mark{background:rgba(255,255,255,.14);color:#fff;}
.footer-brand .brand-text{color:#fff;font-weight:800;font-size:17px;}
.footer-desc{font-size:14px;line-height:1.9;color:rgba(251,250,247,.7);max-width:340px;margin:0;}
.footer-links li{margin-bottom:11px;}
.footer-links a{color:rgba(251,250,247,.76);font-size:14px;transition:color .16s ease;}
.footer-links a:hover{color:#fff;}
.footer-contact li{display:flex;gap:10px;align-items:flex-start;font-size:14px;margin-bottom:12px;color:rgba(251,250,247,.76);}
.footer-contact i{margin-top:6px;color:rgba(255,255,255,.6);font-size:13px;}
.footer-contact a{color:rgba(251,250,247,.9);}
.footer-contact a:hover{color:#fff;}
.footer-bottom{
  margin-top:44px;padding-top:22px;border-top:1px solid rgba(255,255,255,.14);
  display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;
  font-size:13px;color:rgba(251,250,247,.6);
}
.footer-bottom a{color:rgba(251,250,247,.8);}
.footer-bottom a:hover{color:#fff;}

/* 入场动效 */
.reveal{opacity:0;transform:translateY(16px);transition:opacity .42s ease,transform .42s cubic-bezier(.22,.61,.36,1);}
.reveal.is-in{opacity:1;transform:none;}
@media(prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.001ms!important;transition-duration:.001ms!important;}
  .reveal{opacity:1;transform:none;}
  html{scroll-behavior:auto;}
}
@media(max-width:575px){
  .hero-card{padding:26px 20px;margin-top:-56px;border-radius:16px;}
  .hero-actions .btn-main,.hero-actions .btn-ghost{width:100%;}
  .cross-grid .cross-card{flex-direction:column;align-items:flex-start;}
}