/* roulang page: index */
:root{
  --primary:#0E6E63;
  --primary-dark:#0a544b;
  --dark:#082B2A;
  --accent:#F08A3C;
  --muted:#8FA8A3;
  --bg:#F7F5F0;
  --card:#FFFFFF;
  --text:#2A3B38;
  --text-light:#6E7F7B;
  --line:rgba(8,43,42,.08);
  --line-strong:rgba(8,43,42,.14);
  --line-dark:rgba(255,255,255,.12);
  --radius-card:14px;
  --radius-img:12px;
  --radius-btn:10px;
  --shadow-sm:0 1px 2px rgba(8,43,42,.06),0 12px 28px -12px rgba(8,43,42,.18);
  --shadow-lg:0 18px 36px -14px rgba(8,43,42,.28);
  --space:64px;
  --font:"PingFang SC","Microsoft YaHei","Source Han Sans SC","Noto Sans SC",-apple-system,BlinkMacSystemFont,"Helvetica Neue",Arial,sans-serif;
}
@media (min-width:1024px){
  :root{ --space:88px; }
}

*,*::before,*::after{ box-sizing:border-box; }

html{ scroll-behavior:smooth; }

body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:var(--font);
  font-size:16px;
  line-height:1.8;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}

img{ max-width:100%; display:block; border:0; }

a{
  color:var(--primary);
  text-decoration:none;
  transition:color .2s ease, background-color .2s ease, border-color .2s ease, transform .2s ease, box-shadow .2s ease;
}
a:hover{ color:var(--primary-dark); }

button,input,textarea,select{ font-family:inherit; font-size:100%; }

h1,h2,h3,h4,p,ul,ol{ margin:0; padding:0; }
ul,ol{ list-style:none; }

h1,h2,h3{ line-height:1.35; color:var(--dark); }

.container{
  width:100%;
  max-width:1200px;
  margin:0 auto;
  padding:0 20px;
}

@media (min-width:1024px){
  .container{ padding:0 24px; }
}

.section{ padding:var(--space) 0; }
.section--tight{ padding:calc(var(--space) * .7) 0; }
.section--white{ background:#fff; }
.section--dark{ background:var(--dark); color:#F2F6F5; }

.section-head{
  display:flex;
  flex-wrap:wrap;
  align-items:flex-end;
  justify-content:space-between;
  gap:16px;
  margin-bottom:36px;
}

.section-title{
  font-size:24px;
  font-weight:700;
  letter-spacing:.01em;
  position:relative;
  padding-left:14px;
}
.section-title::before{
  content:"";
  position:absolute;
  left:0;
  top:.28em;
  width:4px;
  height:.9em;
  border-radius:2px;
  background:var(--primary);
}

.section-desc{
  font-size:15px;
  color:var(--text-light);
  max-width:640px;
}

.section-link{
  font-size:15px;
  font-weight:600;
  color:var(--primary);
  display:inline-flex;
  align-items:center;
  gap:8px;
  min-height:44px;
}
.section-link i{ transition:transform .2s ease; }
.section-link:hover i{ transform:translateX(4px); }

@media (min-width:1024px){
  .section-title{ font-size:28px; }
}

/* ---------- 顶部导航 ---------- */
.site-header{
  position:sticky;
  top:0;
  z-index:60;
  background:#fff;
  border-bottom:1px solid var(--line);
  transition:box-shadow .25s ease, transform .25s ease;
}
.site-header.is-scrolled{
  box-shadow:0 8px 24px -14px rgba(8,43,42,.35);
  transform:scale(.995);
  transform-origin:top center;
}

.nav-inner{
  height:72px;
  display:flex;
  align-items:center;
  gap:20px;
}

.brand{
  display:flex;
  align-items:center;
  gap:10px;
  flex:0 0 auto;
  color:var(--dark);
}
.brand:hover{ color:var(--dark); }

.brand-mark{
  width:38px;
  height:38px;
  border-radius:11px;
  border:1.5px solid var(--primary);
  display:flex;
  align-items:center;
  justify-content:center;
  background:rgba(14,110,99,.06);
  flex:0 0 auto;
}
.brand-mark svg{ width:22px; height:22px; }

.brand-text{
  display:flex;
  flex-direction:column;
  line-height:1.15;
}
.brand-name{
  font-size:17px;
  font-weight:800;
  letter-spacing:-.01em;
}
.brand-sub{
  font-size:11px;
  color:var(--muted);
  letter-spacing:.08em;
}

.main-nav{
  display:none;
  align-items:center;
  gap:4px;
  margin-left:12px;
}
.nav-link{
  display:inline-flex;
  align-items:center;
  height:44px;
  padding:0 14px;
  border-radius:8px;
  font-size:15px;
  color:var(--text);
  position:relative;
}
.nav-link::after{
  content:"";
  position:absolute;
  left:14px;
  right:14px;
  bottom:6px;
  height:2px;
  border-radius:2px;
  background:var(--primary);
  transform:scaleX(0);
  transform-origin:left center;
  transition:transform .22s ease;
}
.nav-link:hover{ color:var(--primary); background:rgba(14,110,99,.06); }
.nav-link:hover::after,
.nav-link.is-active::after{ transform:scaleX(1); }
.nav-link.is-active{ color:var(--primary); font-weight:600; }

.nav-right{
  margin-left:auto;
  display:flex;
  align-items:center;
  gap:10px;
}

.mega-wrap{ position:relative; display:none; }

.mega-toggle{
  display:inline-flex;
  align-items:center;
  gap:8px;
  height:44px;
  padding:0 16px;
  border-radius:var(--radius-btn);
  border:1px solid var(--line-strong);
  background:#fff;
  color:var(--text);
  font-size:15px;
  cursor:pointer;
}
.mega-toggle:hover{ border-color:var(--primary); color:var(--primary); background:rgba(14,110,99,.05); }
.mega-toggle i{ font-size:12px; color:var(--muted); transition:transform .2s ease; }
.mega-wrap:hover .mega-toggle i,
.mega-wrap.is-open .mega-toggle i{ transform:rotate(180deg); }

.mega-panel{
  position:absolute;
  right:0;
  top:calc(100% + 14px);
  width:700px;
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  box-shadow:var(--shadow-lg);
  padding:24px;
  display:grid;
  grid-template-columns:1.1fr 1.2fr 1fr;
  gap:22px;
  opacity:0;
  visibility:hidden;
  transform:translateY(-10px);
  transition:opacity .2s ease, transform .2s ease, visibility .2s ease;
}
.mega-wrap:hover .mega-panel,
.mega-wrap.is-open .mega-panel{
  opacity:1;
  visibility:visible;
  transform:translateY(0);
}
.mega-col-title{
  font-size:12px;
  letter-spacing:.14em;
  color:var(--muted);
  text-transform:uppercase;
  margin-bottom:12px;
}
.mega-list li{ margin-bottom:4px; }
.mega-list a{
  display:block;
  padding:8px 10px;
  border-radius:8px;
  font-size:14px;
  color:var(--text);
}
.mega-list a:hover{ background:rgba(14,110,99,.07); color:var(--primary); }

.mega-news li{
  padding:9px 0;
  border-bottom:1px solid var(--line);
}
.mega-news li:last-child{ border-bottom:0; }
.mega-news a{
  font-size:14px;
  color:var(--text);
  display:block;
  line-height:1.5;
}
.mega-news a:hover{ color:var(--primary); }
.mega-news span{
  display:block;
  font-size:12px;
  color:var(--muted);
  margin-top:4px;
  font-variant-numeric:tabular-nums;
}

.mega-card{
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  overflow:hidden;
  display:block;
  color:var(--text);
  background:#fff;
}
.mega-card img{
  width:100%;
  aspect-ratio:16/10;
  object-fit:cover;
}
.mega-card p{
  font-size:14px;
  padding:12px 14px;
  line-height:1.5;
  color:var(--text);
}
.mega-card:hover{ box-shadow:var(--shadow-sm); color:var(--primary); transform:translateY(-2px); }

.btn-mega{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  height:44px;
  padding:0 20px;
  border-radius:var(--radius-btn);
  background:var(--primary);
  color:#fff;
  font-size:15px;
  font-weight:600;
}
.btn-mega:hover{ background:var(--primary-dark); color:#fff; transform:translateY(-2px); }

.mobile-toggle{
  margin-left:auto;
  width:44px;
  height:44px;
  border-radius:10px;
  border:1px solid var(--line-strong);
  background:#fff;
  color:var(--dark);
  display:inline-flex;
  align-items:center;
  justify-content:center;
  font-size:18px;
  cursor:pointer;
}
.mobile-toggle:hover{ border-color:var(--primary); color:var(--primary); }

.mobile-drawer{
  display:none;
  background:#fff;
  border-top:1px solid var(--line);
  padding:16px 0 22px;
}
.mobile-drawer.is-open{ display:block; }
.mobile-drawer .drawer-title{
  font-size:12px;
  letter-spacing:.14em;
  color:var(--muted);
  margin:16px 0 8px;
}
.mobile-drawer a.drawer-link{
  display:flex;
  align-items:center;
  justify-content:space-between;
  min-height:44px;
  padding:8px 12px;
  border-radius:10px;
  font-size:15px;
  color:var(--text);
}
.mobile-drawer a.drawer-link:hover{ background:rgba(14,110,99,.07); color:var(--primary); }
.mobile-drawer a.drawer-link.is-active{ color:var(--primary); font-weight:600; }

.nav-overlay{
  position:fixed;
  inset:0;
  background:rgba(8,43,42,.45);
  opacity:0;
  visibility:hidden;
  transition:opacity .25s ease, visibility .25s ease;
  z-index:55;
}
.nav-overlay.is-open{ opacity:1; visibility:visible; }

@media (min-width:1024px){
  .main-nav{ display:flex; }
  .mega-wrap{ display:block; }
  .mobile-toggle{ display:none; }
  .mobile-drawer{ display:none !important; }
  .nav-overlay{ display:none; }
}

/* ---------- 倒计时条 ---------- */
.countdown-bar{
  background:var(--dark);
  color:#F2F6F5;
  border-bottom:1px solid var(--line-dark);
  background-image:linear-gradient(rgba(255,255,255,.04) 1px, transparent 1px),
                   linear-gradient(90deg, rgba(255,255,255,.04) 1px, transparent 1px);
  background-size:24px 24px;
}
.cd-inner{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:14px 20px;
  padding:12px 0;
}
.cd-name{
  font-size:14px;
  font-weight:600;
  letter-spacing:.02em;
  display:inline-flex;
  align-items:center;
  gap:8px;
}
.cd-name i{ color:var(--accent); }

.cd-clocks{
  display:flex;
  align-items:center;
  gap:6px;
  margin-left:auto;
}
.cd-unit{
  background:rgba(255,255,255,.08);
  border:1px solid var(--line-dark);
  border-radius:8px;
  min-width:46px;
  padding:4px 6px;
  text-align:center;
}
.cd-num{
  display:block;
  font-size:17px;
  font-weight:700;
  line-height:1.25;
  font-variant-numeric:tabular-nums;
  letter-spacing:.02em;
}
.cd-label{
  display:block;
  font-size:11px;
  color:rgba(242,246,245,.65);
}
.cd-sep{ color:var(--accent); font-weight:700; }

.cd-btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  height:40px;
  padding:0 18px;
  border-radius:var(--radius-btn);
  background:var(--accent);
  color:#22150a;
  font-size:14px;
  font-weight:700;
  white-space:nowrap;
}
.cd-btn:hover{ background:#dc7a2f; color:#22150a; transform:translateY(-2px); }

@media (max-width:639px){
  .cd-clocks{ margin-left:0; }
  .cd-btn{ width:100%; }
}

/* ---------- Hero ---------- */
.hero{
  position:relative;
  background-image:linear-gradient(rgba(8,43,42,.82), rgba(8,43,42,.78)), url('/assets/images/backpic/back-1.png');
  background-size:cover;
  background-position:center;
  color:#F2F6F5;
  padding:56px 0 60px;
  overflow:hidden;
}
.hero::after{
  content:"";
  position:absolute;
  right:-80px;
  bottom:-120px;
  width:340px;
  height:340px;
  border-radius:32px;
  border:1.5px solid rgba(14,110,99,.5);
  transform:rotate(18deg);
  pointer-events:none;
}
.hero-grid{
  display:grid;
  grid-template-columns:1fr;
  gap:36px;
  align-items:center;
  position:relative;
  z-index:2;
}
.hero-badge{
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:6px 14px;
  border-radius:999px;
  background:rgba(255,255,255,.1);
  border:1px solid var(--line-dark);
  font-size:13px;
  color:#F2F6F5;
  margin-bottom:18px;
}
.hero-badge i{ color:var(--accent); }

.hero h1{
  font-size:32px;
  font-weight:800;
  letter-spacing:-.01em;
  color:#fff;
  margin-bottom:16px;
}
.hero-sub{
  font-size:16px;
  color:rgba(242,246,245,.85);
  max-width:520px;
  margin-bottom:26px;
}

.hero-actions{
  display:flex;
  flex-wrap:wrap;
  gap:12px;
  margin-bottom:30px;
}

.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  min-height:46px;
  padding:0 24px;
  border-radius:var(--radius-btn);
  font-size:15px;
  font-weight:600;
  border:1px solid transparent;
  cursor:pointer;
  text-align:center;
}
.btn-primary{
  background:var(--primary);
  color:#fff;
}
.btn-primary:hover{
  background:var(--primary-dark);
  color:#fff;
  transform:translateY(-2px);
  box-shadow:0 14px 26px -14px rgba(14,110,99,.75);
}
.btn-ghost{
  background:transparent;
  color:#F2F6F5;
  border-color:rgba(255,255,255,.4);
}
.btn-ghost:hover{
  background:rgba(255,255,255,.12);
  color:#fff;
  border-color:rgba(255,255,255,.7);
  transform:translateY(-2px);
}
.btn-outline{
  background:transparent;
  color:var(--primary);
  border-color:rgba(14,110,99,.35);
}
.btn-outline:hover{
  background:rgba(14,110,99,.08);
  border-color:var(--primary);
  color:var(--primary);
  transform:translateY(-2px);
}
.btn-block{ width:100%; }

.hero-points{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:10px 18px;
  font-size:14px;
  color:rgba(242,246,245,.85);
}
.hero-points span{
  display:inline-flex;
  align-items:center;
  gap:8px;
}
.hero-points i{ color:var(--accent); font-size:15px; }
.hero-points .divider{
  width:1px;
  height:16px;
  background:rgba(255,255,255,.28);
  display:none;
}

.hero-media{ position:relative; }
.hero-media img{
  width:100%;
  aspect-ratio:16/10;
  object-fit:cover;
  border-radius:var(--radius-card);
  border:1px solid rgba(255,255,255,.16);
  box-shadow:0 24px 48px -20px rgba(0,0,0,.6);
}
.hero-media::before{
  content:"";
  position:absolute;
  left:-14px;
  top:-14px;
  width:86px;
  height:86px;
  border-radius:12px;
  background:rgba(240,138,60,.85);
  z-index:-1;
}
.hero-figure-cap{
  position:absolute;
  left:16px;
  bottom:16px;
  background:rgba(8,43,42,.72);
  border:1px solid var(--line-dark);
  color:#F2F6F5;
  font-size:12px;
  padding:6px 12px;
  border-radius:999px;
}

@media (min-width:640px){
  .hero-points .divider{ display:inline-block; }
}
@media (min-width:1024px){
  .hero{ padding:72px 0 78px; }
  .hero-grid{ grid-template-columns:7fr 5fr; gap:52px; }
  .hero h1{ font-size:40px; }
}

/* ---------- 卖点编号列表 ---------- */
.points-wrap{
  display:grid;
  grid-template-columns:1fr;
  gap:32px;
}
.points-lead h2{ margin-bottom:14px; }
.points-lead p{ color:var(--text-light); font-size:15px; }

.points-list{
  border-top:1px solid var(--line);
}
.point-item{
  display:flex;
  gap:20px;
  padding:22px 0;
  border-bottom:1px solid var(--line);
  align-items:flex-start;
}
.point-num{
  font-size:26px;
  font-weight:800;
  color:var(--primary);
  line-height:1.1;
  min-width:52px;
  font-variant-numeric:tabular-nums;
  letter-spacing:-.02em;
}
.point-body h3{
  font-size:18px;
  font-weight:600;
  margin-bottom:6px;
}
.point-body p{
  font-size:15px;
  color:var(--text-light);
  max-width:520px;
}

@media (min-width:1024px){
  .points-wrap{ grid-template-columns:5fr 7fr; gap:56px; }
  .point-num{ font-size:28px; }
}

/* ---------- 图墙 ---------- */
.gallery{
  display:grid;
  grid-template-columns:1fr;
  gap:16px;
}
.g-item{
  position:relative;
  overflow:hidden;
  border-radius:var(--radius-img);
  border:1px solid var(--line);
  min-height:200px;
}
.g-item img{
  width:100%;
  height:100%;
  object-fit:cover;
  transition:transform .35s ease;
  position:absolute;
  inset:0;
}
.g-item::after{
  content:"";
  position:absolute;
  inset:0;
  background:linear-gradient(to top, rgba(8,43,42,.62), rgba(8,43,42,0) 62%);
}
.g-item:hover img{ transform:scale(1.03); }
.g-cap{
  position:absolute;
  left:16px;
  right:16px;
  bottom:14px;
  z-index:2;
  color:#fff;
  font-size:13px;
  display:flex;
  align-items:center;
  gap:8px;
  transition:transform .28s ease;
}
.g-item:hover .g-cap{ transform:translateY(-4px); }
.g-cap i{ color:var(--accent); }

@media (min-width:640px){
  .gallery{ grid-template-columns:repeat(3,1fr); grid-auto-rows:180px; }
  .g-1{ grid-column:span 2; grid-row:span 2; }
  .g-2{ grid-column:span 1; grid-row:span 1; }
  .g-3{ grid-column:span 1; grid-row:span 1; }
  .g-4{ grid-column:span 1; grid-row:span 1; }
  .g-5{ grid-column:span 2; grid-row:span 1; }
  .g-item{ min-height:0; }
}
@media (min-width:1024px){
  .gallery{ grid-auto-rows:210px; gap:18px; }
}

/* ---------- 内容列表 ---------- */
.news-grid{
  display:grid;
  grid-template-columns:1fr;
  gap:20px;
}
.news-card{
  display:flex;
  flex-direction:column;
  height:100%;
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  overflow:hidden;
  box-shadow:var(--shadow-sm);
  color:var(--text);
}
.news-card:hover{
  box-shadow:var(--shadow-lg);
  transform:translateY(-4px);
  color:var(--text);
}
.news-thumb{
  position:relative;
  overflow:hidden;
}
.news-thumb img{
  width:100%;
  aspect-ratio:16/10;
  object-fit:cover;
  transition:transform .35s ease;
}
.news-card:hover .news-thumb img{ transform:scale(1.04); }

.news-body{
  padding:18px 20px 20px;
  display:flex;
  flex-direction:column;
  flex:1 1 auto;
}
.tag{
  display:inline-flex;
  align-items:center;
  gap:6px;
  align-self:flex-start;
  padding:3px 12px;
  border-radius:999px;
  background:rgba(14,110,99,.1);
  color:var(--primary);
  font-size:12px;
  font-weight:600;
  margin-bottom:12px;
}
.news-body h3{
  font-size:18px;
  font-weight:600;
  line-height:1.5;
  margin-bottom:10px;
  display:-webkit-box;
  -webkit-line-clamp:2;
  -webkit-box-orient:vertical;
  overflow:hidden;
}
.news-card:hover h3{ color:var(--primary); }
.news-body p{
  font-size:14px;
  color:var(--text-light);
  line-height:1.7;
  display:-webkit-box;
  -webkit-line-clamp:2;
  -webkit-box-orient:vertical;
  overflow:hidden;
  margin-bottom:16px;
}
.news-meta{
  margin-top:auto;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:12px;
  padding-top:14px;
  border-top:1px solid var(--line);
  font-size:13px;
  color:var(--text-light);
}
.news-meta .date{
  display:inline-flex;
  align-items:center;
  gap:6px;
  font-variant-numeric:tabular-nums;
}
.news-meta .arrow{
  width:32px;
  height:32px;
  border-radius:50%;
  background:rgba(14,110,99,.08);
  color:var(--primary);
  display:inline-flex;
  align-items:center;
  justify-content:center;
  font-size:12px;
  transition:background-color .2s ease, transform .2s ease;
}
.news-card:hover .news-meta .arrow{ background:var(--primary); color:#fff; transform:translateX(3px); }

.empty-state{
  background:#fff;
  border:1px dashed var(--line-strong);
  border-radius:var(--radius-card);
  padding:48px 24px;
  text-align:center;
}
.empty-state i{
  font-size:30px;
  color:var(--muted);
  margin-bottom:14px;
  display:block;
}
.empty-state p{
  color:var(--text-light);
  font-size:15px;
  margin-bottom:18px;
}

.news-more{
  display:flex;
  justify-content:center;
  margin-top:36px;
}

@media (min-width:640px){
  .news-grid{ grid-template-columns:repeat(2,1fr); }
}

/* ---------- 用户反馈 ---------- */
.voice-grid{
  display:grid;
  grid-template-columns:1fr;
  gap:20px;
}
.voice-card{
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  padding:24px;
  box-shadow:var(--shadow-sm);
  display:flex;
  flex-direction:column;
  gap:14px;
  transition:transform .2s ease, box-shadow .2s ease;
}
.voice-card:hover{ transform:translateY(-4px); box-shadow:var(--shadow-lg); }
.voice-top{
  display:flex;
  align-items:center;
  gap:12px;
}
.avatar{
  width:44px;
  height:44px;
  border-radius:12px;
  background:rgba(14,110,99,.1);
  color:var(--primary);
  display:flex;
  align-items:center;
  justify-content:center;
  font-weight:700;
  font-size:15px;
  flex:0 0 auto;
}
.voice-name{ font-size:15px; font-weight:600; color:var(--dark); }
.voice-role{ font-size:12px; color:var(--muted); }
.voice-badge{
  margin-left:auto;
  padding:3px 10px;
  border-radius:999px;
  background:rgba(240,138,60,.14);
  color:#a85a1c;
  font-size:11px;
  font-weight:700;
  white-space:nowrap;
}
.voice-card p{
  font-size:15px;
  color:var(--text-light);
  line-height:1.75;
}
.voice-stars{ color:var(--accent); font-size:12px; letter-spacing:2px; }

@media (min-width:640px){
  .voice-grid{ grid-template-columns:repeat(2,1fr); }
}
@media (min-width:1024px){
  .voice-grid{ grid-template-columns:repeat(3,1fr); }
}

/* ---------- CTA 表单 ---------- */
.cta-band{
  position:relative;
  background-image:linear-gradient(rgba(8,43,42,.85), rgba(8,43,42,.82)), url('/assets/images/backpic/back-2.png');
  background-size:cover;
  background-position:center;
  color:#F2F6F5;
  padding:var(--space) 0;
}
.cta-grid{
  display:grid;
  grid-template-columns:1fr;
  gap:36px;
  align-items:center;
}
.cta-copy h2{
  color:#fff;
  font-size:24px;
  font-weight:700;
  margin-bottom:14px;
}
.cta-copy p{
  color:rgba(242,246,245,.85);
  font-size:15px;
  max-width:460px;
}
.cta-list{
  margin-top:22px;
  display:flex;
  flex-direction:column;
  gap:10px;
}
.cta-list span{
  display:inline-flex;
  align-items:center;
  gap:10px;
  font-size:14px;
  color:rgba(242,246,245,.9);
}
.cta-list i{ color:var(--accent); }

.cta-form{
  background:#fff;
  border-radius:var(--radius-card);
  padding:26px;
  box-shadow:var(--shadow-lg);
}
.form-title{
  font-size:17px;
  font-weight:700;
  color:var(--dark);
  margin-bottom:6px;
}
.form-hint{
  font-size:13px;
  color:var(--muted);
  margin-bottom:18px;
}
.form-field{ margin-bottom:14px; }
.form-field label{
  display:block;
  font-size:13px;
  color:var(--text-light);
  margin-bottom:6px;
}
.form-field input,
.form-field textarea{
  width:100%;
  border:1px solid var(--line-strong);
  border-radius:var(--radius-btn);
  padding:11px 14px;
  font-size:15px;
  color:var(--text);
  background:#FCFCFA;
  transition:border-color .2s ease, box-shadow .2s ease, background-color .2s ease;
}
.form-field textarea{ min-height:88px; resize:vertical; }
.form-field input:focus,
.form-field textarea:focus{
  outline:none;
  border-color:var(--primary);
  background:#fff;
  box-shadow:0 0 0 3px rgba(14,110,99,.14);
}
.form-field input::placeholder,
.form-field textarea::placeholder{ color:#A9B7B3; }

@media (min-width:1024px){
  .cta-grid{ grid-template-columns:1fr 1fr; gap:64px; }
  .cta-copy h2{ font-size:28px; }
}

/* ---------- FAQ ---------- */
.faq-grid{
  display:grid;
  grid-template-columns:1fr;
  gap:14px;
}
.faq-item{
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  overflow:hidden;
  transition:box-shadow .2s ease, border-color .2s ease;
}
.faq-item:hover{ border-color:rgba(14,110,99,.28); }
.faq-item[open]{ box-shadow:var(--shadow-sm); }
.faq-item summary{
  list-style:none;
  cursor:pointer;
  display:flex;
  align-items:center;
  gap:12px;
  padding:18px 20px;
  font-size:16px;
  font-weight:600;
  color:var(--dark);
  min-height:44px;
}
.faq-item summary::-webkit-details-marker{ display:none; }
.faq-item summary::before{
  content:"";
  width:3px;
  height:18px;
  border-radius:2px;
  background:var(--primary);
  flex:0 0 auto;
  transition:height .22s ease;
}
.faq-item[open] summary::before{ height:28px; }
.faq-item[open] summary{ color:var(--primary); }
.faq-item summary::after{
  content:"+";
  margin-left:auto;
  font-size:20px;
  line-height:1;
  color:var(--muted);
  transition:transform .25s ease, color .2s ease;
}
.faq-item[open] summary::after{ content:"−"; transform:rotate(180deg); color:var(--primary); }
.faq-body{
  padding:0 20px 20px 35px;
  font-size:15px;
  line-height:1.75;
  color:var(--text-light);
}

@media (min-width:1024px){
  .faq-grid{ grid-template-columns:1fr 1fr; gap:16px; align-items:start; }
}

/* ---------- 页脚 ---------- */
.site-footer{
  background:var(--dark);
  color:#F2F6F5;
  padding-top:56px;
}
.footer-grid{
  display:grid;
  grid-template-columns:1fr;
  gap:32px;
  padding-bottom:40px;
  border-top:1px solid var(--line-dark);
  padding-top:40px;
}
.footer-col h4{
  font-size:14px;
  font-weight:700;
  letter-spacing:.06em;
  color:#fff;
  margin-bottom:16px;
}
.footer-brand{
  display:flex;
  align-items:center;
  gap:10px;
  margin-bottom:14px;
}
.footer-brand .brand-mark{
  border-color:rgba(255,255,255,.35);
  background:rgba(255,255,255,.06);
}
.footer-brand .brand-name{ color:#fff; font-size:17px; font-weight:800; }
.footer-desc{
  font-size:14px;
  color:rgba(242,246,245,.7);
  max-width:320px;
  line-height:1.8;
}
.footer-links li{ margin-bottom:8px; }
.footer-links a{
  font-size:14px;
  color:rgba(242,246,245,.75);
  display:inline-flex;
  align-items:center;
  gap:8px;
  min-height:32px;
}
.footer-links a:hover{ color:#fff; text-decoration:underline; text-underline-offset:4px; }

.footer-contact li{
  display:flex;
  gap:10px;
  font-size:14px;
  color:rgba(242,246,245,.75);
  margin-bottom:12px;
  line-height:1.7;
}
.footer-contact i{ color:var(--accent); margin-top:5px; }
.footer-contact a{ color:rgba(242,246,245,.85); }
.footer-contact a:hover{ color:#fff; }

.footer-bottom{
  border-top:1px solid var(--line-dark);
  padding:20px 0 28px;
  display:flex;
  flex-wrap:wrap;
  gap:12px 24px;
  align-items:center;
  justify-content:space-between;
  font-size:13px;
  color:rgba(242,246,245,.6);
}
.footer-bottom a{ color:rgba(242,246,245,.7); }
.footer-bottom a:hover{ color:#fff; }

@media (min-width:640px){
  .footer-grid{ grid-template-columns:repeat(2,1fr); }
}
@media (min-width:1024px){
  .footer-grid{ grid-template-columns:1.4fr 1fr 1fr 1.2fr; gap:40px; }
}

/* ---------- 可访问性 ---------- */
a:focus-visible,
button:focus-visible,
input:focus-visible,
textarea:focus-visible,
summary:focus-visible{
  outline:2px solid var(--primary);
  outline-offset:2px;
  border-radius:6px;
}

@media (prefers-reduced-motion:reduce){
  *{ transition:none !important; animation:none !important; scroll-behavior:auto !important; }
}

/* roulang page: article */
:root{
  --primary:#0E6E63;
  --primary-dark:#0A574E;
  --primary-soft:rgba(14,110,99,.08);
  --dark:#082B2A;
  --accent:#F08A3C;
  --neutral:#8FA8A3;
  --bg:#F7F5F0;
  --card:#FFFFFF;
  --text:#2A3B38;
  --muted:#6E7F7B;
  --on-dark:#F2F6F5;
  --border:rgba(8,43,42,.08);
  --border-dark:rgba(255,255,255,.12);
  --r-card:14px;
  --r-img:12px;
  --r-btn:10px;
  --shadow-1:0 1px 2px rgba(8,43,42,.06), 0 12px 28px -12px rgba(8,43,42,.18);
  --shadow-2:0 18px 36px -14px rgba(8,43,42,.28);
  --font:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei","Source Han Sans SC","Noto Sans SC",sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:var(--font);
  font-size:16px;
  line-height:1.8;
  color:var(--text);
  background:var(--bg);
}
img{max-width:100%;height:auto;display:block}
a{color:var(--primary);text-decoration:none;transition:color .2s ease}
a:hover{color:var(--primary-dark)}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4{margin:0;font-family:var(--font);color:var(--text);letter-spacing:-.01em}
button,input,textarea{font-family:inherit;font-size:inherit}
button{cursor:pointer}
:focus-visible{outline:2px solid var(--primary);outline-offset:2px}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 20px}
.section{padding:64px 0}
@media (min-width:1024px){.section{padding:88px 0}}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:32px;flex-wrap:wrap}
.section-head h2{font-size:24px;font-weight:700;position:relative;padding-left:16px}
.section-head h2::before{content:"";position:absolute;left:0;top:.2em;bottom:.2em;width:4px;border-radius:2px;background:var(--primary)}
@media (min-width:1024px){.section-head h2{font-size:28px}}
.section-sub{color:var(--muted);font-size:14px;margin-top:8px;max-width:760px}
.link-more{font-size:14px;color:var(--primary);font-weight:600;white-space:nowrap}
.link-more i{margin-left:6px;font-size:12px;transition:transform .2s ease}
.link-more:hover i{transform:translateX(4px)}

/* ---------- 按钮 ---------- */
.btn{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;border:1px solid transparent;transition:all .2s ease;text-align:center}
.btn-primary{background:var(--primary);color:#fff;border-color:var(--primary)}
.btn-primary:hover{background:var(--primary-dark);color:#fff;transform:translateY(-2px);box-shadow:var(--shadow-1)}
.btn-ghost{background:transparent;color:var(--primary);border-color:var(--primary)}
.btn-ghost:hover{background:var(--primary-soft);color:var(--primary-dark);transform:translateY(-2px)}
.btn-accent{background:var(--accent);color:#3a1d05;border-color:var(--accent)}
.btn-accent:hover{background:#dd7a2f;color:#3a1d05;transform:translateY(-2px)}
.btn-block{width:100%}

/* ---------- 徽章 / 标签 ---------- */
.badge{display:inline-flex;align-items:center;gap:6px;padding:4px 12px;border-radius:999px;background:var(--primary-soft);color:var(--primary);font-size:13px;font-weight:600}
.badge-accent{background:rgba(240,138,60,.14);color:#a85a1c}
.chip{display:inline-block;padding:3px 10px;border-radius:999px;border:1px solid var(--border);font-size:12px;color:var(--muted);background:#fff}

/* ---------- 头部 ---------- */
.site-header{position:sticky;top:0;z-index:60;background:#fff;border-bottom:1px solid var(--border);transition:box-shadow .25s ease}
.site-header.is-scrolled{box-shadow:0 8px 26px -18px rgba(8,43,42,.5)}
.header-inner{display:flex;align-items:center;justify-content:space-between;gap:18px;height:72px}
@media (max-width:1023px){.header-inner{height:60px}}
.brand{display:flex;align-items:center;gap:10px;flex-shrink:0}
.brand-mark{width:34px;height:34px;border-radius:10px;background:var(--dark);display:grid;place-items:center;flex-shrink:0}
.brand-mark svg{width:20px;height:20px}
.brand-name{font-size:17px;font-weight:800;color:var(--dark);letter-spacing:-.01em;white-space:nowrap}
.main-nav{display:flex;align-items:center;gap:6px}
.main-nav .nav-link{position:relative;display:inline-flex;align-items:center;min-height:44px;padding:0 12px;font-size:15px;font-weight:500;color:var(--text);border-radius:8px;transition:color .2s ease,background .2s ease}
.main-nav .nav-link:hover{color:var(--primary);background:var(--primary-soft)}
.main-nav .nav-link.is-active{color:var(--primary);font-weight:600}
.main-nav .nav-link.is-active::after{content:"";position:absolute;left:12px;right:12px;bottom:6px;height:2px;border-radius:2px;background:var(--primary)}
.header-actions{display:flex;align-items:center;gap:10px}
.mega-trigger{display:inline-flex;align-items:center;gap:8px;min-height:44px;padding:0 16px;border-radius:var(--r-btn);border:1px solid var(--border);background:#fff;color:var(--text);font-size:14px;font-weight:600;transition:all .2s ease}
.mega-trigger:hover{border-color:var(--primary);color:var(--primary);background:var(--primary-soft)}
.mega-trigger i{font-size:11px;transition:transform .25s ease}
.mega-wrap{position:relative}
.mega-wrap.is-open .mega-trigger i{transform:rotate(180deg)}
.mega-panel{position:absolute;right:0;top:calc(100% + 14px);width:700px;background:#fff;border:1px solid var(--border);border-radius:var(--r-card);box-shadow:var(--shadow-2);padding:24px;display:grid;grid-template-columns:1fr 1.15fr 1.1fr;gap:22px;opacity:0;visibility:hidden;transform:translateY(-8px);transition:opacity .22s ease,transform .22s ease,visibility .22s}
.mega-wrap:hover .mega-panel,.mega-wrap.is-open .mega-panel{opacity:1;visibility:visible;transform:translateY(0)}
.mega-col h4{font-size:13px;font-weight:700;color:var(--muted);letter-spacing:.06em;margin-bottom:12px}
.mega-col ul li{margin-bottom:2px}
.mega-col ul a{display:block;padding:7px 10px;border-radius:8px;font-size:14px;color:var(--text)}
.mega-col ul a:hover{background:var(--primary-soft);color:var(--primary)}
.mega-post{display:block;padding:8px 10px;border-radius:8px}
.mega-post:hover{background:var(--primary-soft)}
.mega-post strong{display:block;font-size:14px;font-weight:600;color:var(--text);line-height:1.5}
.mega-post:hover strong{color:var(--primary)}
.mega-post span{font-size:12px;color:var(--muted)}
.mega-card{display:block;border-radius:var(--r-img);overflow:hidden;border:1px solid var(--border)}
.mega-card img{width:100%;aspect-ratio:16/10;object-fit:cover;transition:transform .3s ease}
.mega-card:hover img{transform:scale(1.04)}
.mega-card figcaption{padding:10px 12px;font-size:13px;font-weight:600;color:var(--text);line-height:1.5}
.nav-toggle{display:none;width:44px;height:44px;border:1px solid var(--border);border-radius:10px;background:#fff;padding:0;place-items:center}
.nav-toggle span{display:block;width:18px;height:2px;border-radius:2px;background:var(--dark);margin:3px auto;transition:.2s ease}
.nav-toggle.is-open span:nth-child(1){transform:translateY(5px) rotate(45deg)}
.nav-toggle.is-open span:nth-child(2){opacity:0}
.nav-toggle.is-open span:nth-child(3){transform:translateY(-5px) rotate(-45deg)}
.mobile-drawer{display:none;border-top:1px solid var(--border);background:#fff;padding:12px 20px 24px}
.mobile-drawer.is-open{display:block}
.mobile-drawer a{display:block;padding:12px 4px;font-size:15px;color:var(--text);border-bottom:1px solid var(--border)}
.mobile-drawer a:hover{color:var(--primary)}
.mobile-drawer .drawer-title{font-size:12px;font-weight:700;color:var(--muted);letter-spacing:.06em;margin:16px 0 6px}
@media (max-width:1023px){
  .main-nav{display:none}
  .mega-wrap{display:none}
  .nav-toggle{display:grid}
}

/* ---------- 内页顶部条 ---------- */
.page-banner{position:relative;background-image:url('/assets/images/backpic/back-1.png');background-size:cover;background-position:center;overflow:hidden}
.page-banner::after{content:"";position:absolute;inset:0;background:linear-gradient(135deg,rgba(8,43,42,.85),rgba(14,110,99,.78))}
.page-banner .banner-inner{position:relative;z-index:2;padding:38px 0 42px;color:var(--on-dark)}
.page-banner .banner-inner h1{color:var(--on-dark);font-size:32px;font-weight:800;line-height:1.35;max-width:900px}
@media (min-width:1024px){.page-banner .banner-inner{padding:52px 0 56px}.page-banner .banner-inner h1{font-size:40px}}
.page-banner .banner-lead{margin-top:14px;font-size:16px;color:rgba(242,246,245,.86);max-width:760px}

/* ---------- 面包屑 ---------- */
.breadcrumb{background:#fff;border-bottom:1px solid var(--border)}
.breadcrumb ol{display:flex;flex-wrap:wrap;align-items:center;gap:8px;padding:14px 0;font-size:14px;color:var(--muted)}
.breadcrumb li::after{content:"/";margin-left:8px;color:var(--neutral)}
.breadcrumb li:last-child::after{content:""}
.breadcrumb li:last-child{color:var(--primary);font-weight:600}
.breadcrumb a{color:var(--muted)}
.breadcrumb a:hover{color:var(--primary)}

/* ---------- 文章布局 ---------- */
.article-layout{display:grid;grid-template-columns:1fr;gap:36px}
@media (min-width:1024px){
  .article-layout{grid-template-columns:minmax(0,1fr) 280px;gap:48px}
  .article-side{position:sticky;top:100px;align-self:start}
}
.article-card{background:var(--card);border:1px solid var(--border);border-radius:var(--r-card);box-shadow:var(--shadow-1);padding:26px}
@media (min-width:1024px){.article-card{padding:40px}}
.article-meta{display:flex;flex-wrap:wrap;align-items:center;gap:10px;font-size:14px;color:var(--muted);margin-top:18px}
.article-meta .dot{width:4px;height:4px;border-radius:50%;background:var(--neutral)}
.article-cover{margin-top:26px;border-radius:var(--r-card);overflow:hidden;border:1px solid var(--border)}
.article-cover img{width:100%;aspect-ratio:16/9;object-fit:cover}

.article-body{font-size:16px;line-height:1.8;color:var(--text)}
.article-body>p:first-of-type{margin-top:0}
.article-body p{margin:0 0 .75em}
.article-body h2{position:relative;font-size:22px;font-weight:700;line-height:1.5;margin:2em 0 .6em;padding-left:14px}
.article-body h2::before{content:"";position:absolute;left:0;top:.22em;bottom:.22em;width:4px;border-radius:2px;background:var(--primary)}
@media (min-width:1024px){.article-body h2{font-size:24px}}
.article-body h3{font-size:18px;font-weight:600;margin:1.6em 0 .5em;color:var(--dark)}
.article-body ul,.article-body ol{margin:0 0 1em;padding-left:1.5em}
.article-body ul li{list-style:disc;margin-bottom:.4em}
.article-body ol li{list-style:decimal;margin-bottom:.4em}
.article-body img{border-radius:var(--r-img);margin:1.4em auto;max-width:100%;box-shadow:var(--shadow-1)}
.article-body a{color:var(--primary);text-decoration:underline;text-underline-offset:4px;text-decoration-thickness:1px}
.article-body a:hover{color:var(--primary-dark);text-decoration-thickness:2px}
.article-body blockquote{margin:1.4em 0;padding:14px 18px;border-left:3px solid var(--primary);background:var(--primary-soft);border-radius:0 8px 8px 0;color:#33514c}
.article-body strong{font-weight:700;color:var(--dark)}
.article-body table{width:100%;border-collapse:collapse;margin:1.4em 0;font-size:15px}
.article-body th,.article-body td{padding:11px 14px;border-bottom:1px solid var(--border);text-align:left}
.article-body th{background:var(--primary-soft);font-weight:600;color:var(--dark)}
.article-body tr:nth-child(even) td{background:rgba(14,110,99,.04)}
.article-body hr{border:0;border-top:1px solid var(--border);margin:2em 0}

.empty-state{text-align:center;padding:56px 20px;border:1px dashed var(--border);border-radius:var(--r-card);background:#fff}
.empty-state i{font-size:34px;color:var(--neutral);margin-bottom:14px;display:block}
.empty-state p{color:var(--muted);margin:0 0 18px}

/* ---------- 侧栏 ---------- */
.side-card{background:#fff;border:1px solid var(--border);border-radius:var(--r-card);box-shadow:var(--shadow-1);padding:20px;margin-bottom:20px}
.side-card h3{font-size:15px;font-weight:700;color:var(--dark);margin-bottom:14px;padding-left:12px;position:relative}
.side-card h3::before{content:"";position:absolute;left:0;top:.25em;bottom:.25em;width:3px;border-radius:2px;background:var(--primary)}
.side-list li+li{margin-top:2px}
.side-list a{display:flex;align-items:center;justify-content:space-between;gap:10px;padding:9px 10px;border-radius:8px;font-size:14px;color:var(--text)}
.side-list a:hover{background:var(--primary-soft);color:var(--primary)}
.side-list i{font-size:11px;color:var(--neutral)}
.side-contact li{display:flex;gap:10px;font-size:14px;color:var(--muted);padding:6px 0}
.side-contact i{color:var(--primary);margin-top:5px;font-size:13px}

/* ---------- 相关推荐 ---------- */
.rel-grid{display:grid;grid-template-columns:1fr;gap:22px}
@media (min-width:640px){.rel-grid{grid-template-columns:repeat(2,1fr)}}
@media (min-width:1024px){.rel-grid{grid-template-columns:repeat(3,1fr)}}
.rel-card{display:flex;flex-direction:column;background:#fff;border:1px solid var(--border);border-radius:var(--r-card);overflow:hidden;box-shadow:var(--shadow-1);transition:transform .2s ease,box-shadow .2s ease}
.rel-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-2)}
.rel-card .rel-thumb{overflow:hidden}
.rel-card img{width:100%;aspect-ratio:16/10;object-fit:cover;transition:transform .35s ease}
.rel-card:hover img{transform:scale(1.05)}
.rel-card .rel-body{padding:18px 18px 22px}
.rel-card h3{font-size:17px;font-weight:600;line-height:1.55;margin-bottom:8px}
.rel-card:hover h3{color:var(--primary)}
.rel-card p{font-size:14px;color:var(--muted);margin:0;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}

/* ---------- CTA ---------- */
.cta-section{position:relative;background-image:url('/assets/images/backpic/back-2.png');background-size:cover;background-position:center;color:var(--on-dark)}
.cta-section::after{content:"";position:absolute;inset:0;background:linear-gradient(120deg,rgba(8,43,42,.9),rgba(14,110,99,.76))}
.cta-inner{position:relative;z-index:2;display:grid;grid-template-columns:1fr;gap:34px;padding:64px 0}
@media (min-width:1024px){.cta-inner{grid-template-columns:1fr 1fr;gap:56px;padding:88px 0;align-items:center}}
.cta-inner h2{color:var(--on-dark);font-size:26px;font-weight:800;line-height:1.4}
@media (min-width:1024px){.cta-inner h2{font-size:30px}}
.cta-inner p{color:rgba(242,246,245,.85);margin-top:14px;font-size:16px}
.cta-points{display:flex;flex-wrap:wrap;gap:12px;margin-top:22px}
.cta-points span{display:inline-flex;align-items:center;gap:8px;font-size:14px;color:rgba(242,246,245,.9);border:1px solid var(--border-dark);border-radius:999px;padding:7px 14px}
.cta-points i{color:var(--accent)}
.cta-form{background:rgba(255,255,255,.06);border:1px solid var(--border-dark);border-radius:var(--r-card);padding:24px;backdrop-filter:blur(2px)}
.field{margin-bottom:16px}
.field label{display:block;font-size:14px;color:rgba(242,246,245,.85);margin-bottom:8px}
.field input,.field textarea{width:100%;border-radius:var(--r-btn);border:1px solid rgba(255,255,255,.22);background:rgba(255,255,255,.96);color:var(--text);padding:12px 14px;min-height:46px;transition:border-color .2s ease,box-shadow .2s ease}
.field textarea{min-height:96px;resize:vertical}
.field input:focus,.field textarea:focus{outline:none;border-color:var(--primary);box-shadow:0 0 0 3px rgba(247,245,240,.28)}
.form-note{font-size:13px;color:rgba(242,246,245,.7);margin-top:12px}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--dark);color:var(--on-dark);padding-top:56px;position:relative}
.site-footer::before{content:"";position:absolute;top:0;left:0;right:0;height:1px;background:var(--border-dark)}
.footer-grid{display:grid;grid-template-columns:1fr;gap:32px;padding-bottom:40px}
@media (min-width:640px){.footer-grid{grid-template-columns:repeat(2,1fr)}}
@media (min-width:1024px){.footer-grid{grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:40px}}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:14px}
.footer-brand .brand-mark{background:rgba(255,255,255,.08)}
.footer-brand .brand-name{color:var(--on-dark);font-size:17px;font-weight:800}
.footer-desc{font-size:14px;color:rgba(242,246,245,.68);line-height:1.8;max-width:320px;margin:0}
.footer-col h4{font-size:15px;font-weight:700;color:var(--on-dark);margin-bottom:16px}
.footer-links li+li{margin-top:10px}
.footer-links a{font-size:14px;color:rgba(242,246,245,.72)}
.footer-links a:hover{color:var(--on-dark);text-decoration:underline;text-underline-offset:4px}
.footer-contact li{display:flex;gap:10px;font-size:14px;color:rgba(242,246,245,.72);margin-bottom:12px;align-items:flex-start}
.footer-contact i{color:var(--accent);margin-top:5px;font-size:13px}
.footer-contact a{color:rgba(242,246,245,.72)}
.footer-contact a:hover{color:var(--on-dark)}
.footer-bottom{display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;align-items:center;border-top:1px solid var(--border-dark);padding:20px 0;font-size:13px;color:rgba(242,246,245,.6)}
.footer-bottom a{color:rgba(242,246,245,.6)}
.footer-bottom a:hover{color:var(--on-dark)}

/* roulang page: category1 */
:root{
  --brand:#0E6E63;
  --brand-dark:#0A564D;
  --brand-soft:rgba(14,110,99,.08);
  --ink:#082B2A;
  --gold:#F08A3C;
  --mist:#8FA8A3;
  --bg:#F7F5F0;
  --card:#FFFFFF;
  --text:#2A3B38;
  --muted:#6E7F7B;
  --line:rgba(8,43,42,.08);
  --line-strong:rgba(8,43,42,.14);
  --line-dark:rgba(255,255,255,.12);
  --light-text:#F2F6F5;
  --r-card:14px;
  --r-img:12px;
  --r-btn:10px;
  --r-pill:999px;
  --sh:0 1px 2px rgba(8,43,42,.06), 0 12px 28px -12px rgba(8,43,42,.18);
  --sh-hover:0 18px 36px -14px rgba(8,43,42,.28);
  --sec:88px;
  --font-cn:-apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", "Source Han Sans SC", "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:0;
  font-family:var(--font-cn);
  font-size:16px;
  line-height:1.8;
  color:var(--text);
  background:var(--bg);
  font-variant-numeric:tabular-nums;
  -webkit-font-smoothing:antialiased;
}

img{ max-width:100%; display:block; border-radius:var(--r-img); }
a{ color:var(--brand); text-decoration:none; transition:color .2s ease, text-decoration-color .2s ease; }
a:hover{ color:var(--brand-dark); text-decoration:underline; text-underline-offset:4px; }
h1,h2,h3,h4{ margin:0; color:var(--ink); font-weight:700; letter-spacing:-.01em; }
p{ margin:0 0 .75em; }
ul{ margin:0; padding:0; list-style:none; }
button, input, textarea{ font-family:inherit; font-size:inherit; color:inherit; }
:focus-visible{ outline:2px solid var(--brand); outline-offset:2px; }

.grid-container{ max-width:1200px; margin-left:auto; margin-right:auto; padding-left:20px; padding-right:20px; }
.reading-col{ max-width:760px; }

/* ---------- 顶部导航 ---------- */
.site-header{
  position:sticky; top:0; z-index:80;
  background:#fff;
  border-bottom:1px solid var(--line);
  transition:box-shadow .2s ease;
}
.site-header.is-scrolled{ box-shadow:0 10px 26px -18px rgba(8,43,42,.42); }
.nav-inner{
  display:flex; align-items:center; gap:26px;
  height:72px;
}
.brand{ display:flex; align-items:center; gap:10px; flex:0 0 auto; text-decoration:none; }
.brand:hover{ text-decoration:none; }
.brand-mark{
  width:38px; height:38px; flex:0 0 auto;
  display:flex; align-items:center; justify-content:center;
  border-radius:11px;
  background:linear-gradient(150deg, var(--brand), var(--ink));
}
.brand-mark svg{ width:22px; height:22px; }
.brand-text{ font-size:17px; font-weight:800; color:var(--ink); letter-spacing:-.01em; white-space:nowrap; }

.main-nav{ display:flex; align-items:center; gap:4px; flex:1 1 auto; }
.nav-link{
  position:relative;
  display:inline-flex; align-items:center;
  min-height:44px; padding:0 12px;
  font-size:15px; font-weight:500; color:var(--text);
  border-radius:8px; text-decoration:none;
  transition:color .2s ease, background-color .2s ease;
}
.nav-link:hover{ color:var(--brand); background:var(--brand-soft); text-decoration:none; }
.nav-link.is-active{ color:var(--brand); font-weight:600; }
.nav-link.is-active::after{
  content:""; position:absolute; left:12px; right:12px; bottom:6px;
  height:2px; background:var(--brand); border-radius:2px;
}

.nav-actions{ display:flex; align-items:center; gap:10px; flex:0 0 auto; }
.mega-toggle{
  display:inline-flex; align-items:center; gap:8px;
  min-height:44px; padding:0 16px;
  background:#fff; border:1px solid var(--line-strong); border-radius:var(--r-btn);
  font-size:14px; font-weight:600; color:var(--ink); cursor:pointer;
  transition:background-color .2s ease, border-color .2s ease;
}
.mega-toggle:hover{ background:var(--brand-soft); border-color:rgba(14,110,99,.35); }
.mega-toggle i{ font-size:12px; color:var(--brand); transition:transform .2s ease; }
.mega-toggle[aria-expanded="true"] i{ transform:rotate(180deg); }

.nav-burger{
  display:none;
  width:44px; height:44px;
  border:1px solid var(--line-strong); border-radius:var(--r-btn);
  background:#fff; cursor:pointer;
  align-items:center; justify-content:center;
}
.nav-burger span{ display:block; width:18px; height:2px; background:var(--ink); border-radius:2px; position:relative; }
.nav-burger span::before, .nav-burger span::after{
  content:""; position:absolute; left:0; width:18px; height:2px; background:var(--ink); border-radius:2px;
}
.nav-burger span::before{ top:-6px; }
.nav-burger span::after{ top:6px; }

/* Mega 面板 */
.mega-panel{
  position:absolute; top:100%; right:20px;
  width:700px; max-width:calc(100vw - 40px);
  background:#fff; border:1px solid var(--line); border-radius:var(--r-card);
  box-shadow:var(--sh-hover);
  padding:24px;
  display:grid; grid-template-columns:1fr 1fr 1.1fr; gap:22px;
  opacity:0; visibility:hidden; transform:translateY(8px);
  transition:opacity .2s ease, transform .2s ease, visibility .2s ease;
}
.mega-panel.is-open{ opacity:1; visibility:visible; transform:translateY(6px); }
.mega-col h4{ font-size:13px; letter-spacing:.06em; color:var(--muted); font-weight:600; margin-bottom:12px; text-transform:uppercase; }
.mega-col ul li{ margin-bottom:8px; }
.mega-col ul li a{ font-size:14.5px; color:var(--text); }
.mega-col ul li a:hover{ color:var(--brand); }
.mega-news li{ margin-bottom:12px; }
.mega-news a{ display:block; font-size:14px; color:var(--ink); font-weight:500; line-height:1.5; }
.mega-news span{ display:block; font-size:12.5px; color:var(--muted); margin-top:2px; }
.mega-card{ border:1px solid var(--line); border-radius:var(--r-card); overflow:hidden; display:block; text-decoration:none; }
.mega-card:hover{ text-decoration:none; box-shadow:var(--sh); }
.mega-card img{ width:100%; aspect-ratio:16/10; object-fit:cover; border-radius:0; }
.mega-card span{ display:block; padding:10px 12px; font-size:13.5px; font-weight:600; color:var(--ink); }
.mega-card:hover span{ color:var(--brand); }

.nav-mask{
  position:fixed; inset:0; background:rgba(8,43,42,.45);
  opacity:0; visibility:hidden; transition:opacity .2s ease, visibility .2s ease; z-index:70;
}
.nav-mask.is-open{ opacity:1; visibility:visible; }

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex; align-items:center; justify-content:center; gap:8px;
  min-height:44px; padding:0 22px;
  border-radius:var(--r-btn); border:1px solid transparent;
  font-size:15px; font-weight:600; cursor:pointer;
  text-decoration:none; white-space:nowrap;
  transition:background-color .2s ease, color .2s ease, border-color .2s ease, transform .2s ease, box-shadow .2s ease;
}
.btn:hover{ text-decoration:none; transform:translateY(-2px); }
.btn-primary{ background:var(--brand); color:#fff; box-shadow:0 10px 22px -14px rgba(14,110,99,.9); }
.btn-primary:hover{ background:var(--brand-dark); color:#fff; }
.btn-accent{ background:var(--gold); color:#3A1D05; }
.btn-accent:hover{ background:#DE7A2C; color:#3A1D05; }
.btn-ghost{ background:transparent; color:var(--brand); border-color:rgba(14,110,99,.45); }
.btn-ghost:hover{ background:var(--brand-soft); color:var(--brand-dark); }
.btn-light{ background:#fff; color:var(--brand); }
.btn-light:hover{ background:#EAF3F1; color:var(--brand-dark); }
.btn-sm{ min-height:40px; padding:0 16px; font-size:14px; }
.btn-block{ width:100%; }

/* ---------- 通用标签 / 徽章 ---------- */
.tag{
  display:inline-flex; align-items:center; gap:6px;
  padding:4px 12px; border-radius:var(--r-pill);
  background:var(--brand-soft); color:var(--brand);
  font-size:12.5px; font-weight:600; letter-spacing:.02em;
}
.badge-gold{
  display:inline-flex; align-items:center;
  padding:3px 10px; border-radius:var(--r-pill);
  background:rgba(240,138,60,.14); color:#A9540F;
  font-size:12px; font-weight:700;
}

/* ---------- 页面首屏条 ---------- */
.page-hero{
  position:relative;
  display:flex; align-items:center;
  min-height:280px;
  padding:56px 0 52px;
  color:var(--light-text);
  background-image:url('/assets/images/backpic/back-1.png');
  background-size:cover; background-position:center;
  overflow:hidden;
}
.page-hero::before{
  content:""; position:absolute; inset:0;
  background:linear-gradient(120deg, rgba(8,43,42,.88) 0%, rgba(14,110,99,.76) 100%);
}
.page-hero .grid-container{ position:relative; z-index:1; }
.page-hero h1{
  color:#fff; font-size:40px; font-weight:800; line-height:1.28; letter-spacing:-.01em;
  max-width:820px; margin:14px 0 12px;
}
.page-hero p{ color:rgba(242,246,245,.88); font-size:17px; max-width:660px; margin:0; }
.page-hero .tag{ background:rgba(255,255,255,.14); color:#fff; }

/* ---------- 面包屑 ---------- */
.crumbs{ padding:20px 0 0; font-size:14px; color:var(--muted); }
.crumbs a{ color:var(--muted); }
.crumbs a:hover{ color:var(--brand); }
.crumbs .sep{ margin:0 8px; color:rgba(8,43,42,.25); }
.crumbs .current{ color:var(--brand); font-weight:600; }

/* ---------- 板块通用 ---------- */
.section{ padding:var(--sec) 0; }
.section-alt{ background:#fff; }
.section-head{ max-width:760px; margin-bottom:40px; }
.section-head h2{
  font-size:28px; font-weight:700; line-height:1.4; position:relative; padding-left:16px;
}
.section-head h2::before{
  content:""; position:absolute; left:0; top:8px; bottom:8px; width:4px;
  background:var(--brand); border-radius:3px;
}
.section-head p{ margin-top:12px; color:var(--muted); }
.section-head.center{ margin-left:auto; margin-right:auto; text-align:center; }
.section-head.center h2{ padding-left:0; }
.section-head.center h2::before{ display:none; }

/* ---------- 图文交替区块 ---------- */
.feature-row{ display:flex; align-items:center; gap:48px; }
.feature-row + .feature-row{ margin-top:64px; }
.feature-row.reverse{ flex-direction:row-reverse; }
.feature-media{ flex:1 1 50%; }
.feature-media img{
  width:100%; aspect-ratio:16/10; object-fit:cover;
  border-radius:var(--r-img); box-shadow:var(--sh);
  transition:transform .2s ease, box-shadow .2s ease;
}
.feature-media:hover img{ transform:translateY(-4px); box-shadow:var(--sh-hover); }
.feature-body{ flex:1 1 50%; }
.feature-body h2{ font-size:26px; line-height:1.45; margin-bottom:14px; }
.feature-body p{ color:var(--text); }
.check-list{ margin-top:16px; }
.check-list li{
  position:relative; padding-left:26px; margin-bottom:10px;
  font-size:15px; color:var(--text); line-height:1.75;
}
.check-list li::before{
  content:""; position:absolute; left:0; top:10px;
  width:8px; height:8px; border-radius:2px; background:var(--brand);
}
.check-list li strong{ color:var(--ink); font-weight:600; }

/* ---------- 编号环节列表 ---------- */
.flow-split{ display:flex; gap:56px; align-items:flex-start; }
.flow-left{ flex:0 0 42%; }
.flow-left h2{ font-size:28px; line-height:1.42; margin-bottom:14px; }
.flow-left p{ color:var(--muted); }
.flow-right{ flex:1 1 auto; }
.flow-item{
  display:flex; gap:20px; align-items:flex-start;
  padding:22px 0;
  border-bottom:1px solid var(--line);
}
.flow-item:first-child{ padding-top:4px; }
.flow-item:last-child{ border-bottom:none; padding-bottom:0; }
.flow-num{
  font-size:28px; font-weight:800; color:var(--brand); line-height:1;
  flex:0 0 52px; letter-spacing:-.02em;
}
.flow-item h3{ font-size:19px; font-weight:600; margin-bottom:6px; }
.flow-item p{ margin:0; font-size:15px; color:var(--muted); }

/* ---------- FAQ ---------- */
.faq-grid{ display:grid; grid-template-columns:1fr 1fr; gap:0 26px; }
.faq-item{
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  margin-bottom:16px;
  box-shadow:var(--sh);
  overflow:hidden;
}
.faq-item summary{
  list-style:none; cursor:pointer;
  display:flex; align-items:center; gap:14px;
  padding:20px 22px;
  font-size:16px; font-weight:600; color:var(--ink);
  transition:color .2s ease;
}
.faq-item summary::-webkit-details-marker{ display:none; }
.faq-item summary::before{
  content:""; flex:0 0 auto; width:3px; height:16px;
  background:var(--brand); border-radius:2px;
  transition:height .2s ease, background-color .2s ease;
}
.faq-item summary:hover{ color:var(--brand); }
.faq-item[open] summary{ color:var(--brand); }
.faq-item[open] summary::before{ height:26px; }
.faq-icon{
  position:relative; width:18px; height:18px; margin-left:auto; flex:0 0 auto;
}
.faq-icon::before, .faq-icon::after{
  content:""; position:absolute; background:var(--brand); border-radius:2px;
  transition:transform .2s ease, opacity .2s ease;
}
.faq-icon::before{ left:0; top:8px; width:18px; height:2px; }
.faq-icon::after{ left:8px; top:0; width:2px; height:18px; }
.faq-item[open] .faq-icon::after{ transform:rotate(90deg); opacity:0; }
.faq-answer{
  padding:0 22px 22px 39px;
  font-size:15px; line-height:1.75; color:var(--muted);
}

/* ---------- CTA 区块 ---------- */
.cta-section{
  position:relative; overflow:hidden;
  padding:76px 0;
  color:var(--light-text);
  background-image:url('/assets/images/backpic/back-2.png');
  background-size:cover; background-position:center;
}
.cta-section::before{
  content:""; position:absolute; inset:0;
  background:linear-gradient(115deg, rgba(8,43,42,.9) 0%, rgba(14,110,99,.78) 100%);
}
.cta-section .grid-container{ position:relative; z-index:1; }
.cta-copy h2{ color:#fff; font-size:28px; line-height:1.45; margin-bottom:14px; }
.cta-copy p{ color:rgba(242,246,245,.85); max-width:520px; }
.cta-points{ display:flex; flex-wrap:wrap; gap:10px; margin-top:20px; }
.cta-points span{
  display:inline-flex; align-items:center; gap:7px;
  padding:6px 14px; border-radius:var(--r-pill);
  background:rgba(255,255,255,.12); color:#EAF3F1; font-size:13px;
}
.cta-form{
  background:#fff; border-radius:var(--r-card);
  padding:26px; box-shadow:0 24px 48px -24px rgba(0,0,0,.55);
}
.cta-form h3{ font-size:18px; margin-bottom:16px; color:var(--ink); }
.field{ margin-bottom:14px; }
.field label{ display:block; font-size:13.5px; font-weight:600; color:var(--ink); margin-bottom:6px; }
.field input, .field textarea{
  width:100%; padding:12px 14px;
  border:1px solid var(--line-strong); border-radius:var(--r-btn);
  background:#FBFCFB; font-size:15px; color:var(--text);
  transition:border-color .2s ease, box-shadow .2s ease, background-color .2s ease;
}
.field input::placeholder, .field textarea::placeholder{ color:#9DAFAB; }
.field input:focus, .field textarea:focus{
  outline:none; border-color:var(--brand); background:#fff;
  box-shadow:0 0 0 3px rgba(14,110,99,.14);
}
.field textarea{ min-height:88px; resize:vertical; }
.form-note{ font-size:12.5px; color:var(--muted); margin:10px 0 0; }

/* ---------- 页脚 ---------- */
.site-footer{
  background:var(--ink); color:var(--light-text);
  padding:64px 0 0;
  border-top:1px solid var(--line-dark);
}
.footer-grid{
  display:grid; grid-template-columns:1.5fr 1fr 1fr 1.2fr; gap:40px;
  padding-bottom:48px;
  border-bottom:1px solid var(--line-dark);
}
.footer-brand{ display:flex; align-items:center; gap:10px; margin-bottom:16px; }
.footer-brand .brand-mark{ background:rgba(255,255,255,.1); }
.footer-brand .brand-name{ font-size:17px; font-weight:800; color:#fff; }
.footer-desc{ color:rgba(242,246,245,.72); font-size:14px; line-height:1.8; max-width:320px; margin:0; }
.site-footer h4{ color:#fff; font-size:15px; font-weight:700; margin-bottom:16px; }
.footer-links li{ margin-bottom:10px; }
.footer-links a{ color:rgba(242,246,245,.75); font-size:14px; }
.footer-links a:hover{ color:#fff; }
.footer-contact li{
  display:flex; align-items:flex-start; gap:10px;
  color:rgba(242,246,245,.75); font-size:14px; margin-bottom:12px;
}
.footer-contact i{ color:var(--gold); margin-top:5px; }
.footer-contact a{ color:rgba(242,246,245,.75); }
.footer-contact a:hover{ color:#fff; }
.footer-bottom{
  display:flex; flex-wrap:wrap; gap:12px; justify-content:space-between;
  padding:22px 0 26px;
  font-size:13.5px; color:rgba(242,246,245,.6);
}
.footer-bottom a{ color:rgba(242,246,245,.7); }
.footer-bottom a:hover{ color:#fff; }

/* ---------- 响应式 ---------- */
@media (max-width:1200px){
  .mega-panel{ right:20px; width:660px; }
}

@media (max-width:1023px){
  :root{ --sec:64px; }
  .nav-inner{ height:60px; }
  .nav-burger{ display:flex; }
  .mega-toggle{ display:none; }
  .main-nav{
    position:fixed; top:60px; left:0; right:0; bottom:0;
    flex-direction:column; align-items:stretch; gap:0;
    background:#fff; padding:18px 20px 40px;
    overflow-y:auto; z-index:75;
    transform:translateX(-100%);
    transition:transform .26s ease;
    border-top:1px solid var(--line);
  }
  .main-nav.is-open{ transform:translateX(0); }
  .nav-link{
    min-height:52px; padding:0 4px;
    font-size:16px; border-bottom:1px solid var(--line);
    border-radius:0;
  }
  .nav-link.is-active::after{ left:0; right:auto; width:26px; bottom:12px; }
  .nav-link:hover{ background:transparent; }

  .page-hero{ min-height:240px; padding:44px 0 40px; }
  .page-hero h1{ font-size:32px; }
  .page-hero p{ font-size:16px; }

  .feature-row, .feature-row.reverse{ flex-direction:column; gap:26px; }
  .feature-media, .feature-body{ flex:1 1 auto; width:100%; }

  .flow-split{ flex-direction:column; gap:28px; }
  .flow-left{ flex:1 1 auto; }

  .faq-grid{ grid-template-columns:1fr; }

  .cta-section{ padding:56px 0; }
  .cta-form{ margin-top:28px; }

  .footer-grid{ grid-template-columns:1fr 1fr; gap:32px; }
}

@media (max-width:640px){
  .grid-container{ padding-left:16px; padding-right:16px; }
  .brand-text{ font-size:16px; }
  .page-hero h1{ font-size:26px; }
  .section-head h2, .flow-left h2, .cta-copy h2, .feature-body h2{ font-size:22px; }
  .feature-row + .feature-row{ margin-top:48px; }
  .flow-num{ font-size:24px; flex:0 0 42px; }
  .flow-item h3{ font-size:17px; }
  .faq-item summary{ padding:16px 16px; font-size:15px; }
  .faq-answer{ padding:0 16px 18px 33px; font-size:14.5px; }
  .cta-form{ padding:20px; }
  .footer-grid{ grid-template-columns:1fr; gap:26px; }
  .footer-bottom{ flex-direction:column; gap:8px; }
}

/* roulang page: category2 */
:root{
  --brand:#0E6E63;
  --brand-dark:#0A574E;
  --brand-soft:rgba(14,110,99,.08);
  --night:#082B2A;
  --gold:#F08A3C;
  --mist:#8FA8A3;
  --bg:#F7F5F0;
  --card:#FFFFFF;
  --text:#2A3B38;
  --text-2:#6E7F7B;
  --line:rgba(8,43,42,.08);
  --line-light:rgba(255,255,255,.12);
  --r-card:14px;
  --r-img:12px;
  --r-btn:10px;
  --shadow:0 1px 2px rgba(8,43,42,.06), 0 12px 28px -12px rgba(8,43,42,.18);
  --shadow-hover:0 18px 36px -14px rgba(8,43,42,.28);
  --container:1200px;
  --sect:88px;
}

*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:-apple-system,"PingFang SC","Microsoft YaHei","Source Han Sans SC","Noto Sans SC",sans-serif;
  font-size:16px;
  line-height:1.8;
  font-weight:400;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:var(--brand);text-decoration:none;transition:color .2s ease, text-decoration-color .2s ease;}
a:hover{color:var(--brand-dark);text-decoration:underline;text-underline-offset:4px;}
h1,h2,h3,h4{margin:0;color:var(--night);line-height:1.35;}
p{margin:0 0 .75em;}
ul,ol{margin:0;padding:0;list-style:none;}
button,input,textarea,select{font-family:inherit;font-size:inherit;color:inherit;}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:4px;}

.container{
  width:100%;
  max-width:var(--container);
  margin:0 auto;
  padding:0 24px;
}
.reading{max-width:760px;}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  min-height:46px;
  padding:0 24px;
  border-radius:var(--r-btn);
  border:1px solid transparent;
  font-size:15px;
  font-weight:600;
  cursor:pointer;
  transition:transform .2s ease, background-color .2s ease, box-shadow .2s ease, color .2s ease, border-color .2s ease;
  text-decoration:none;
}
.btn:hover{text-decoration:none;}
.btn-primary{background:var(--brand);color:#fff;box-shadow:0 8px 20px -10px rgba(14,110,99,.6);}
.btn-primary:hover{background:var(--brand-dark);color:#fff;transform:translateY(-2px);}
.btn-ghost{background:transparent;color:var(--brand);border-color:rgba(14,110,99,.35);}
.btn-ghost:hover{background:var(--brand-soft);color:var(--brand-dark);transform:translateY(-2px);}
.btn-gold{background:var(--gold);color:#3A1D02;box-shadow:0 10px 22px -12px rgba(240,138,60,.75);}
.btn-gold:hover{background:#DE7A2C;color:#2C1502;transform:translateY(-2px);}
.btn-sm{min-height:38px;padding:0 16px;font-size:14px;}

/* ============ 标签 / 徽章 ============ */
.badge{
  display:inline-flex;
  align-items:center;
  gap:6px;
  padding:4px 12px;
  border-radius:999px;
  background:var(--brand-soft);
  color:var(--brand);
  font-size:13px;
  font-weight:600;
  line-height:1.6;
}
.badge-gold{background:rgba(240,138,60,.14);color:#9A5109;}

/* ============ 顶部导航 ============ */
.site-header{
  position:sticky;
  top:0;
  z-index:60;
  background:#fff;
  border-bottom:1px solid var(--line);
  transition:box-shadow .25s ease;
}
.site-header.is-scrolled{box-shadow:0 10px 26px -18px rgba(8,43,42,.4);}
.header-inner{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:20px;
  min-height:72px;
}
.brand{
  display:flex;
  align-items:center;
  gap:10px;
  flex-shrink:0;
  color:var(--night);
  font-size:18px;
  font-weight:800;
  letter-spacing:-.01em;
}
.brand:hover{color:var(--night);text-decoration:none;}
.brand-mark{
  display:grid;
  place-items:center;
  width:38px;
  height:38px;
  border-radius:10px;
  background: linear-gradient(150deg, var(--brand), #0B544C);
  box-shadow:0 8px 18px -10px rgba(14,110,99,.8);
}
.brand-mark svg{width:22px;height:22px;}
.brand-text{white-space:nowrap;}

.main-nav{display:flex;align-items:center;gap:6px;}
.nav-link{
  position:relative;
  display:inline-flex;
  align-items:center;
  min-height:44px;
  padding:0 14px;
  color:var(--text);
  font-size:15px;
  font-weight:500;
  border-radius:999px;
  transition:color .2s ease, background-color .2s ease;
}
.nav-link:hover{color:var(--brand);background:var(--brand-soft);text-decoration:none;}
.nav-link.is-active{color:var(--brand);font-weight:700;}
.nav-link.is-active::after{
  content:"";
  position:absolute;
  left:14px;right:14px;bottom:6px;
  height:2px;
  border-radius:2px;
  background:var(--brand);
}

.nav-extra{display:flex;align-items:center;gap:10px;}
.mega{position:relative;}
.mega-trigger{
  display:inline-flex;
  align-items:center;
  gap:8px;
  min-height:44px;
  padding:0 18px;
  border-radius:var(--r-btn);
  border:1px solid rgba(14,110,99,.28);
  background:#fff;
  color:var(--brand);
  font-size:15px;
  font-weight:600;
  cursor:pointer;
  transition:background-color .2s ease, transform .2s ease;
}
.mega-trigger:hover{background:var(--brand-soft);transform:translateY(-1px);}
.mega-panel{
  position:absolute;
  right:0;
  top:calc(100% + 12px);
  width:660px;
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--r-card);
  box-shadow:var(--shadow-hover);
  padding:22px;
  display:none;
  grid-template-columns:1fr 1fr 1.15fr;
  gap:22px;
  z-index:80;
}
.mega.is-open .mega-panel{display:grid;}
.mega-col h4{
  font-size:13px;
  font-weight:700;
  color:var(--text-2);
  letter-spacing:.06em;
  margin-bottom:10px;
}
.mega-list li{margin-bottom:8px;}
.mega-list a{
  display:flex;
  align-items:center;
  gap:8px;
  font-size:14px;
  color:var(--text);
  padding:6px 8px;
  border-radius:8px;
  transition:background-color .2s ease, color .2s ease;
}
.mega-list a:hover{background:var(--brand-soft);color:var(--brand);text-decoration:none;}
.mega-list i{color:var(--mist);font-size:12px;}
.mega-entry{
  border:1px solid var(--line);
  border-radius:var(--r-img);
  overflow:hidden;
  background:#fff;
  transition:transform .2s ease, box-shadow .2s ease;
}
.mega-entry:hover{transform:translateY(-3px);box-shadow:var(--shadow);}
.mega-entry img{width:100%;aspect-ratio:16/10;object-fit:cover;}
.mega-entry span{display:block;padding:10px 12px;font-size:14px;font-weight:600;color:var(--night);}

.menu-toggle{
  display:none;
  width:46px;height:46px;
  border-radius:var(--r-btn);
  border:1px solid var(--line);
  background:#fff;
  color:var(--brand);
  font-size:18px;
  cursor:pointer;
}

/* ============ 页面 Hero ============ */
.page-hero{
  position:relative;
  min-height:268px;
  display:flex;
  align-items:center;
  color:#F2F6F5;
  background-image:
    linear-gradient(rgba(8,43,42,.85), rgba(14,110,99,.74)),
    url('/assets/images/backpic/back-2.png');
  background-size:cover;
  background-position:center;
  overflow:hidden;
}
.page-hero::after{
  content:"";
  position:absolute;
  inset:0;
  background-image:linear-gradient(rgba(255,255,255,.05) 1px, transparent 1px),
                   linear-gradient(90deg, rgba(255,255,255,.05) 1px, transparent 1px);
  background-size:48px 48px;
  pointer-events:none;
}
.page-hero .container{position:relative;z-index:2;padding-top:44px;padding-bottom:44px;}
.page-hero .badge{background:rgba(255,255,255,.14);color:#EFE4D6;}
.page-hero h1{
  color:#fff;
  font-size:40px;
  font-weight:800;
  letter-spacing:-.01em;
  margin:16px 0 12px;
}
.page-hero .hero-lead{
  margin:0;
  font-size:17px;
  color:rgba(242,246,245,.86);
  max-width:640px;
}

/* ============ 面包屑 ============ */
.crumb-bar{background:#fff;border-bottom:1px solid var(--line);}
.crumb{
  display:flex;
  align-items:center;
  flex-wrap:wrap;
  gap:8px;
  padding:14px 0;
  font-size:14px;
  color:var(--text-2);
}
.crumb a{color:var(--text-2);}
.crumb a:hover{color:var(--brand);}
.crumb .sep{color:var(--mist);}
.crumb .current{color:var(--brand);font-weight:600;}

/* ============ 板块 ============ */
.section{padding:var(--sect) 0;}
.section-alt{background:#fff;border-top:1px solid var(--line);border-bottom:1px solid var(--line);}
.section-head{max-width:760px;margin-bottom:40px;}
.section-head .eyebrow{
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-size:13px;
  font-weight:700;
  letter-spacing:.08em;
  color:var(--brand);
  margin-bottom:12px;
}
.section-head .eyebrow::before{
  content:"";
  width:24px;height:3px;border-radius:2px;background:var(--brand);
}
.section-head h2{font-size:28px;font-weight:700;margin-bottom:12px;}
.section-head p{color:var(--text-2);margin:0;}

/* 图文两列 */
.split{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:56px;
  align-items:center;
}
.split.reverse .split-media{order:2;}
.split-media{
  position:relative;
  border-radius:var(--r-img);
  overflow:hidden;
  box-shadow:var(--shadow);
  aspect-ratio:16/10;
  background:#E7E4DC;
}
.split-media img{width:100%;height:100%;object-fit:cover;transition:transform .35s ease;}
.split-media:hover img{transform:scale(1.03);}
.split-media .deco{
  position:absolute;
  right:-16px;bottom:-16px;
  width:88px;height:88px;
  border-radius:12px;
  background:rgba(14,110,99,.14);
  z-index:-1;
}
.split-body h3{font-size:20px;font-weight:600;margin:0 0 12px;}
.split-body p{color:var(--text-2);}

.point-list{margin-top:22px;display:grid;gap:14px;}
.point-list li{
  display:flex;
  gap:12px;
  align-items:flex-start;
  padding-bottom:14px;
  border-bottom:1px solid var(--line);
}
.point-list li:last-child{border-bottom:none;padding-bottom:0;}
.point-list .ic{
  flex:0 0 34px;
  height:34px;
  border-radius:10px;
  display:grid;
  place-items:center;
  background:var(--brand-soft);
  color:var(--brand);
  font-size:14px;
}
.point-list strong{display:block;font-size:15px;color:var(--night);font-weight:600;}
.point-list span{font-size:14px;color:var(--text-2);line-height:1.75;}

/* 引用块 */
.quote{
  margin:28px 0 0;
  padding:18px 20px;
  border-left:3px solid var(--brand);
  background:var(--brand-soft);
  border-radius:0 12px 12px 0;
  color:#25423D;
  font-size:15px;
  line-height:1.8;
}

/* ============ 步骤条 ============ */
.step-track{
  display:grid;
  grid-template-columns:repeat(6,1fr);
  gap:16px;
  counter-reset:step;
}
.step-item{
  position:relative;
  padding-top:60px;
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--r-card);
  padding:60px 16px 22px;
  box-shadow:var(--shadow);
  transition:transform .2s ease, box-shadow .2s ease, border-color .2s ease;
}
.step-item:hover{
  transform:translateY(-4px);
  box-shadow:var(--shadow-hover);
  border-color:rgba(14,110,99,.24);
}
.step-item::before{
  content:"";
  position:absolute;
  top:34px;
  left:50px;
  right:-16px;
  height:2px;
  background:rgba(14,110,99,.16);
}
.step-item:last-child::before{display:none;}
.step-dot{
  position:absolute;
  top:14px;
  left:16px;
  width:40px;height:40px;
  border-radius:50%;
  display:grid;
  place-items:center;
  background:#fff;
  border:2px solid var(--brand);
  color:var(--brand);
  font-size:13px;
  font-weight:700;
  font-variant-numeric:tabular-nums;
  z-index:2;
}
.step-item h3{font-size:17px;font-weight:600;margin-bottom:8px;}
.step-item p{font-size:14px;color:var(--text-2);line-height:1.75;margin:0;}

/* ============ 清单卡 ============ */
.check-grid{
  display:grid;
  grid-template-columns:1.15fr 1fr;
  grid-template-rows:auto auto;
  gap:24px;
}
.check-card{
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--r-card);
  padding:26px;
  box-shadow:var(--shadow);
  transition:transform .2s ease, box-shadow .2s ease;
}
.check-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);}
.check-card.tall{grid-row:span 2;}
.check-card h3{
  display:flex;
  align-items:center;
  gap:10px;
  font-size:18px;
  font-weight:600;
  margin-bottom:12px;
}
.check-card h3 i{color:var(--brand);font-size:16px;}
.check-card p{font-size:15px;color:var(--text-2);margin-bottom:14px;}
.check-card ul{display:grid;gap:10px;}
.check-card ul li{
  position:relative;
  padding-left:22px;
  font-size:14.5px;
  color:#3A4E4A;
  line-height:1.75;
}
.check-card ul li::before{
  content:"";
  position:absolute;
  left:0;top:11px;
  width:8px;height:8px;
  border-radius:50%;
  background:rgba(14,110,99,.35);
}
.check-card.large{
  background:linear-gradient(160deg,#0E6E63,#0A574E);
  color:#EAF2F0;
  border-color:transparent;
}
.check-card.large h3,.check-card.large h3 i{color:#fff;}
.check-card.large p{color:rgba(234,242,240,.82);}
.check-card.large ul li{color:rgba(234,242,240,.92);}
.check-card.large ul li::before{background:var(--gold);}

/* ============ 风险信号 ============ */
.signal-grid{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:22px;
  margin-top:32px;
}
.signal{
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--r-card);
  padding:22px;
  border-top:3px solid var(--gold);
  transition:transform .2s ease, box-shadow .2s ease;
}
.signal:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);}
.signal h3{font-size:17px;font-weight:600;margin-bottom:8px;}
.signal p{font-size:14.5px;color:var(--text-2);margin:0;line-height:1.75;}

/* ============ FAQ ============ */
.faq-wrap{display:grid;grid-template-columns:1fr 1fr;gap:18px 28px;}
.faq-item{
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--r-card);
  overflow:hidden;
  transition:box-shadow .2s ease, border-color .2s ease;
}
.faq-item:hover{box-shadow:var(--shadow);border-color:rgba(14,110,99,.2);}
.faq-item summary{
  position:relative;
  display:flex;
  align-items:center;
  gap:14px;
  padding:18px 52px 18px 20px;
  font-size:16px;
  font-weight:600;
  color:var(--night);
  cursor:pointer;
  list-style:none;
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary::before{
  content:"";
  flex:0 0 3px;
  align-self:stretch;
  min-height:22px;
  border-radius:2px;
  background:var(--brand);
  transition:background-color .2s ease;
}
.faq-item summary::after{
  content:"+";
  position:absolute;
  right:20px;top:50%;
  transform:translateY(-50%);
  font-size:20px;
  font-weight:400;
  color:var(--brand);
  transition:transform .25s ease, color .2s ease;
}
.faq-item[open] summary{color:var(--brand);}
.faq-item[open] summary::after{content:"−";transform:translateY(-50%) rotate(180deg);}
.faq-answer{
  padding:0 24px 20px 37px;
  font-size:15px;
  line-height:1.75;
  color:var(--text-2);
}

/* ============ CTA ============ */
.cta{
  position:relative;
  color:#F2F6F5;
  background-image:
    linear-gradient(rgba(8,43,42,.88), rgba(14,110,99,.78)),
    url('/assets/images/backpic/back-3.webp');
  background-size:cover;
  background-position:center;
  padding:var(--sect) 0;
}
.cta-grid{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:56px;
  align-items:center;
}
.cta h2{color:#fff;font-size:28px;font-weight:700;margin-bottom:14px;}
.cta p{color:rgba(242,246,245,.84);font-size:16px;margin-bottom:18px;}
.cta-points{display:flex;flex-wrap:wrap;gap:10px;}
.cta-points .badge{background:rgba(255,255,255,.12);color:#F0E6D8;}

.form-card{
  background:#fff;
  border-radius:var(--r-card);
  padding:28px;
  box-shadow:0 24px 48px -24px rgba(0,0,0,.5);
}
.form-card h3{font-size:19px;font-weight:700;margin-bottom:6px;}
.form-card .form-hint{font-size:14px;color:var(--text-2);margin-bottom:18px;}
.field{margin-bottom:16px;}
.field label{display:block;font-size:14px;font-weight:600;color:var(--night);margin-bottom:6px;}
.field input,.field textarea{
  width:100%;
  min-height:48px;
  padding:12px 14px;
  border:1px solid var(--line);
  border-radius:var(--r-btn);
  background:#FCFBF8;
  font-size:15px;
  transition:border-color .2s ease, background-color .2s ease, box-shadow .2s ease;
}
.field textarea{min-height:88px;resize:vertical;line-height:1.7;}
.field input:focus,.field textarea:focus{
  outline:none;
  border-color:var(--brand);
  background:#fff;
  box-shadow:0 0 0 4px rgba(14,110,99,.12);
}
.form-card .btn{width:100%;}
.form-note{font-size:13px;color:var(--text-2);margin:12px 0 0;text-align:center;}

/* ============ 页脚 ============ */
.site-footer{
  background:var(--night);
  color:rgba(242,246,245,.78);
  padding:56px 0 0;
  margin-top:0;
  border-top:1px solid var(--line-light);
}
.footer-grid{
  display:grid;
  grid-template-columns:1.4fr 1fr 1fr 1.2fr;
  gap:40px;
  padding-bottom:40px;
  border-bottom:1px solid var(--line-light);
}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:14px;}
.footer-brand .brand-mark{background:rgba(255,255,255,.1);box-shadow:none;}
.footer-brand .brand-name{color:#fff;font-size:17px;font-weight:800;}
.footer-desc{font-size:14px;line-height:1.8;color:rgba(242,246,245,.7);margin:0;}
.footer-col h4{color:#fff;font-size:15px;font-weight:700;margin-bottom:16px;}
.footer-links li{margin-bottom:10px;}
.footer-links a{color:rgba(242,246,245,.72);font-size:14px;}
.footer-links a:hover{color:#fff;text-decoration:underline;text-underline-offset:4px;}
.footer-contact li{
  display:flex;
  align-items:flex-start;
  gap:10px;
  font-size:14px;
  margin-bottom:12px;
  color:rgba(242,246,245,.72);
}
.footer-contact i{color:var(--gold);margin-top:4px;font-size:13px;}
.footer-contact a{color:rgba(242,246,245,.72);}
.footer-contact a:hover{color:#fff;}
.footer-bottom{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  justify-content:space-between;
  gap:12px;
  padding:22px 0;
  font-size:13.5px;
  color:rgba(242,246,245,.6);
}
.footer-bottom a{color:rgba(242,246,245,.7);}
.footer-bottom a:hover{color:#fff;}

/* ============ 移动抽屉 ============ */
.drawer-mask{
  position:fixed;
  inset:0;
  background:rgba(8,43,42,.45);
  opacity:0;
  visibility:hidden;
  transition:opacity .25s ease, visibility .25s ease;
  z-index:70;
}
.drawer-mask.is-open{opacity:1;visibility:visible;}

/* ============ 响应式 ============ */
@media (max-width:1199px){
  :root{--sect:72px;}
}
@media (max-width:1023px){
  :root{--sect:64px;}
  .page-hero h1{font-size:32px;}
  .step-track{grid-template-columns:repeat(3,1fr);}
  .step-item::before{display:none;}
  .check-grid{grid-template-columns:1fr;}
  .check-card.tall{grid-row:auto;}
  .signal-grid{grid-template-columns:1fr 1fr;}
  .footer-grid{grid-template-columns:1fr 1fr;}
  .split{gap:36px;}

  .main-nav{
    position:fixed;
    top:0;right:0;
    width:min(340px,86vw);
    height:100vh;
    background:#fff;
    flex-direction:column;
    align-items:stretch;
    gap:4px;
    padding:88px 20px 32px;
    box-shadow:-24px 0 48px -24px rgba(8,43,42,.4);
    transform:translateX(102%);
    transition:transform .3s ease;
    z-index:80;
    overflow-y:auto;
  }
  .main-nav.is-open{transform:translateX(0);}
  .nav-link{padding:12px 14px;border-radius:10px;font-size:16px;}
  .nav-link.is-active::after{display:none;}
  .nav-link.is-active{background:var(--brand-soft);}
  .menu-toggle{display:inline-grid;place-items:center;}
  .mega-panel{display:none !important;}
  .mega-trigger{display:none;}
}
@media (max-width:767px){
  .split{grid-template-columns:1fr;}
  .split.reverse .split-media{order:0;}
  .check-grid{gap:18px;}
  .faq-wrap{grid-template-columns:1fr;}
  .cta-grid{grid-template-columns:1fr;gap:32px;}
  .step-track{grid-template-columns:1fr 1fr;gap:14px;}
  .signal-grid{grid-template-columns:1fr;}
}
@media (max-width:519px){
  .container{padding:0 18px;}
  :root{--sect:56px;}
  .page-hero h1{font-size:26px;}
  .page-hero .hero-lead{font-size:15px;}
  .section-head h2,.cta h2{font-size:22px;}
  .step-track{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr;gap:28px;}
  .brand-text{font-size:16px;}
  .btn{width:100%;}
  .form-card{padding:20px;}
}

/* roulang page: category3 */
:root{
  --spruce:#0E6E63;
  --spruce-dark:#0A574E;
  --spruce-tint:rgba(14,110,99,.08);
  --spruce-tint-2:rgba(14,110,99,.04);
  --night:#082B2A;
  --amber:#F08A3C;
  --mist:#8FA8A3;
  --cream:#F7F5F0;
  --white:#FFFFFF;
  --ink:#2A3B38;
  --ink-soft:#6E7F7B;
  --line:rgba(8,43,42,.08);
  --line-dark:rgba(255,255,255,.12);
  --r-card:14px;
  --r-img:12px;
  --r-btn:10px;
  --shadow-1:0 1px 2px rgba(8,43,42,.06),0 12px 28px -12px rgba(8,43,42,.18);
  --shadow-2:0 18px 36px -14px rgba(8,43,42,.28);
  --sec:64px;
  --font-cn:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei","Source Han Sans SC","Noto Sans SC",sans-serif;
}
@media (min-width:1024px){:root{--sec:88px}}

*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:var(--font-cn);
  font-size:16px;
  line-height:1.8;
  color:var(--ink);
  background:var(--cream);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border-radius:var(--r-img)}
a{color:inherit;text-decoration:none;transition:color .2s ease}
a:hover{color:var(--spruce)}
h1,h2,h3,h4{margin:0;color:var(--night);font-family:var(--font-cn);line-height:1.35}
p{margin:0 0 .75em}
p:last-child{margin-bottom:0}
ul,ol{margin:0;padding:0;list-style:none}
button{font-family:inherit;cursor:pointer}
input,textarea,select{font-family:inherit;font-size:15px}
:focus-visible{outline:2px solid var(--spruce);outline-offset:2px;border-radius:4px}

.grid-container{max-width:1200px;padding-left:24px;padding-right:24px;margin:0 auto}
@media (max-width:639px){.grid-container{padding-left:18px;padding-right:18px}}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  min-height:44px;
  padding:11px 24px;
  border-radius:var(--r-btn);
  font-size:15px;
  font-weight:600;
  border:1px solid transparent;
  transition:transform .2s ease,background-color .2s ease,color .2s ease,border-color .2s ease,box-shadow .2s ease;
  text-align:center;
}
.btn-primary{background:var(--spruce);color:#fff;box-shadow:0 10px 24px -12px rgba(14,110,99,.7)}
.btn-primary:hover{background:var(--spruce-dark);color:#fff;transform:translateY(-2px)}
.btn-ghost{background:transparent;color:var(--spruce);border-color:rgba(14,110,99,.35)}
.btn-ghost:hover{background:var(--spruce-tint);color:var(--spruce-dark);transform:translateY(-2px)}
.btn-amber{background:var(--amber);color:#231203}
.btn-amber:hover{background:#dd7a2c;color:#231203;transform:translateY(-2px)}
.btn-light{background:rgba(255,255,255,.12);color:#F2F6F5;border-color:var(--line-dark)}
.btn-light:hover{background:rgba(255,255,255,.2);color:#fff;transform:translateY(-2px)}

/* ---------- 标签 / 徽章 ---------- */
.tag{
  display:inline-flex;align-items:center;gap:6px;
  padding:5px 14px;border-radius:999px;
  font-size:13px;font-weight:600;
  background:var(--spruce-tint);color:var(--spruce);
}
.badge{
  display:inline-block;padding:3px 10px;border-radius:999px;
  font-size:12px;font-weight:600;background:rgba(240,138,60,.14);color:#B85F17;
}

/* ---------- 头部导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:50;
  background:#fff;
  border-bottom:1px solid var(--line);
  transition:box-shadow .25s ease;
}
.site-header.is-scrolled{box-shadow:0 12px 28px -18px rgba(8,43,42,.4)}
.nav-wrap{display:flex;align-items:center;justify-content:space-between;height:60px;gap:16px}
@media (min-width:1024px){.nav-wrap{height:72px}}
.brand{display:inline-flex;align-items:center;gap:10px;flex-shrink:0}
.brand-mark{
  width:36px;height:36px;border-radius:10px;
  background:var(--night);
  display:inline-flex;align-items:center;justify-content:center;
  flex-shrink:0;
}
.brand-mark svg{width:22px;height:22px}
.brand-text{font-size:17px;font-weight:800;color:var(--night);letter-spacing:-.01em;white-space:nowrap}
@media (max-width:400px){.brand-text{font-size:15px}}

.main-nav{display:none}
@media (min-width:1024px){.main-nav{display:flex;align-items:center;gap:26px;margin-left:8px}}
.nav-link{
  position:relative;
  font-size:15px;color:var(--ink-soft);font-weight:500;
  padding:6px 0;white-space:nowrap;
}
.nav-link::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:2px;border-radius:2px;
  background:var(--spruce);transform:scaleX(0);transform-origin:left;transition:transform .22s ease;
}
.nav-link:hover{color:var(--spruce);text-decoration:underline;text-underline-offset:4px}
.nav-link:hover::after,.nav-link.is-active::after{transform:scaleX(1)}
.nav-link.is-active{color:var(--spruce);font-weight:600}

.nav-right{display:flex;align-items:center;gap:10px}

.mega-wrap{position:relative;display:none}
@media (min-width:1024px){.mega-wrap{display:block}}
.mega-trigger{
  display:inline-flex;align-items:center;gap:8px;
  min-height:40px;padding:9px 18px;border-radius:999px;
  background:var(--spruce-tint);color:var(--spruce);
  border:1px solid rgba(14,110,99,.16);
  font-size:14px;font-weight:600;
  transition:background-color .2s ease,color .2s ease;
}
.mega-trigger:hover{background:rgba(14,110,99,.14);color:var(--spruce-dark)}
.mega-trigger i{font-size:12px;transition:transform .22s ease}
.mega-wrap.is-open .mega-trigger i{transform:rotate(180deg)}

.mega-panel{
  position:absolute;top:calc(100% + 14px);right:0;
  width:680px;
  background:#fff;border:1px solid var(--line);border-radius:var(--r-card);
  box-shadow:var(--shadow-2);
  padding:24px;
  opacity:0;visibility:hidden;transform:translateY(-8px);
  transition:opacity .22s ease,transform .22s ease,visibility .22s;
  z-index:60;
}
.mega-wrap:hover .mega-panel,
.mega-wrap.is-open .mega-panel{opacity:1;visibility:visible;transform:translateY(0)}
.mega-grid{display:grid;grid-template-columns:1fr 1fr 1.1fr;gap:22px}
.mega-col h4{
  font-size:13px;font-weight:700;letter-spacing:.04em;
  color:var(--mist);margin-bottom:12px;text-transform:none;
}
.mega-col ul li{margin-bottom:9px}
.mega-col ul li a{font-size:14px;color:var(--ink);display:block}
.mega-col ul li a:hover{color:var(--spruce);text-decoration:underline;text-underline-offset:4px}
.mega-news li{display:flex;align-items:baseline;justify-content:space-between;gap:10px}
.mega-news li a{font-size:14px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.mega-news li span{font-size:12px;color:var(--mist);font-variant-numeric:tabular-nums;flex-shrink:0}
.mega-card{
  display:block;border:1px solid var(--line);border-radius:var(--r-card);
  overflow:hidden;background:#fff;transition:box-shadow .2s ease,transform .2s ease;
}
.mega-card:hover{box-shadow:var(--shadow-2);transform:translateY(-4px)}
.mega-card img{width:100%;aspect-ratio:16/10;object-fit:cover;border-radius:0}
.mega-card span{display:block;padding:11px 14px;font-size:14px;font-weight:600;color:var(--night)}

.nav-toggle{
  display:inline-flex;align-items:center;justify-content:center;
  width:44px;height:44px;border-radius:var(--r-btn);
  background:var(--spruce-tint);color:var(--spruce);border:none;font-size:18px;
}
.nav-toggle:hover{background:rgba(14,110,99,.16)}
@media (min-width:1024px){.nav-toggle{display:none}}

.drawer-mask{
  position:fixed;inset:0;background:rgba(8,43,42,.45);
  opacity:0;visibility:hidden;transition:opacity .25s ease,visibility .25s;z-index:55;
}
.drawer-mask.is-open{opacity:1;visibility:visible}
.mobile-drawer{
  position:fixed;top:0;right:0;width:300px;max-width:86vw;height:100%;
  background:#fff;z-index:60;padding:24px 20px 40px;
  overflow-y:auto;transform:translateX(102%);transition:transform .28s ease;
  box-shadow:-18px 0 40px -20px rgba(8,43,42,.4);
}
.mobile-drawer.is-open{transform:translateX(0)}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:20px}
.drawer-head strong{font-size:16px;color:var(--night)}
.drawer-close{
  width:40px;height:40px;border-radius:10px;border:1px solid var(--line);
  background:#fff;color:var(--ink-soft);font-size:16px;
}
.drawer-close:hover{color:var(--spruce);border-color:rgba(14,110,99,.3)}
.drawer-nav a{
  display:block;padding:13px 4px;font-size:15px;
  border-bottom:1px solid var(--line);color:var(--ink);
}
.drawer-nav a.is-active{color:var(--spruce);font-weight:600}
.drawer-sub{margin-top:22px}
.drawer-sub h4{font-size:13px;color:var(--mist);letter-spacing:.04em;margin-bottom:10px}
.drawer-sub a{display:block;padding:8px 0;font-size:14px;color:var(--ink-soft)}
.drawer-sub a:hover{color:var(--spruce)}

/* ---------- Hero ---------- */
.page-hero{
  position:relative;
  display:flex;align-items:center;
  min-height:250px;padding:64px 0;
  background-image:url('/assets/images/backpic/back-2.png');
  background-size:cover;background-position:center;
}
.page-hero::before{
  content:"";position:absolute;inset:0;
  background:linear-gradient(135deg,rgba(8,43,42,.85),rgba(14,110,99,.76));
}
.hero-inner{position:relative;z-index:1;max-width:760px}
.hero-tag{
  display:inline-flex;align-items:center;gap:8px;
  padding:5px 14px;border-radius:999px;margin-bottom:18px;
  background:rgba(255,255,255,.12);border:1px solid var(--line-dark);
  color:#EAF3F1;font-size:13px;font-weight:600;
}
.page-hero h1{
  color:#fff;font-size:30px;font-weight:800;letter-spacing:-.01em;margin-bottom:14px;
}
@media (min-width:1024px){.page-hero h1{font-size:40px}}
.hero-sub{color:rgba(242,246,245,.86);font-size:16px;margin:0;max-width:640px}
@media (min-width:1024px){.hero-sub{font-size:17px}}

/* ---------- 面包屑 ---------- */
.breadcrumb-bar{background:#fff;border-bottom:1px solid var(--line)}
.breadcrumb{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px;
  padding:14px 0;font-size:14px;color:var(--ink-soft);
}
.breadcrumb a{color:var(--ink-soft)}
.breadcrumb a:hover{color:var(--spruce);text-decoration:underline;text-underline-offset:4px}
.breadcrumb .sep{color:rgba(8,43,42,.22)}
.breadcrumb .current{color:var(--spruce);font-weight:600}

/* ---------- 通用板块 ---------- */
.section{padding:var(--sec) 0}
.section-alt{background:#fff;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.section-head{max-width:760px;margin-bottom:36px}
.section-head h2{
  font-size:24px;font-weight:700;letter-spacing:-.01em;
  padding-left:16px;position:relative;margin-bottom:14px;
}
.section-head h2::before{
  content:"";position:absolute;left:0;top:6px;bottom:6px;width:4px;
  border-radius:2px;background:var(--spruce);
}
@media (min-width:1024px){.section-head h2{font-size:28px}}
.section-head p{color:var(--ink-soft);font-size:15.5px;margin:0}
.section-lead{max-width:760px}

/* ---------- 表格 ---------- */
.table-scroll{
  overflow-x:auto;border-radius:var(--r-card);
  box-shadow:var(--shadow-1);background:#fff;border:1px solid var(--line);
  -webkit-overflow-scrolling:touch;
}
.data-table{width:100%;min-width:680px;border-collapse:collapse;background:#fff}
.data-table caption{
  caption-side:top;text-align:left;padding:18px 22px 0;
  font-size:14px;color:var(--ink-soft);
}
.data-table thead th{
  background:var(--spruce-tint);
  font-size:14px;font-weight:700;color:var(--night);text-align:left;
  padding:16px 22px;border:none;letter-spacing:.01em;
}
.data-table tbody td{
  padding:16px 22px;font-size:15px;color:var(--ink);
  border-top:1px solid var(--line);vertical-align:top;
}
.data-table tbody tr:nth-child(even){background:var(--spruce-tint-2)}
.data-table tbody tr:hover{background:rgba(14,110,99,.09)}
.data-table tbody td:first-child{font-weight:600;color:var(--night)}
.table-note{margin-top:16px;font-size:14px;color:var(--ink-soft)}

/* ---------- 图文引导区 ---------- */
.lead-media{
  border-radius:var(--r-card);overflow:hidden;
  box-shadow:var(--shadow-1);position:relative;background:#fff;
}
.lead-media img{width:100%;aspect-ratio:16/10;object-fit:cover}
.lead-media .media-cap{
  position:absolute;left:12px;bottom:12px;
  background:rgba(8,43,42,.72);color:#fff;
  font-size:12px;padding:4px 12px;border-radius:999px;
}
.check-list li{
  position:relative;padding-left:26px;margin-bottom:12px;
  font-size:15.5px;color:var(--ink);
}
.check-list li::before{
  content:"";position:absolute;left:0;top:10px;
  width:10px;height:10px;border-radius:3px;
  background:var(--spruce);opacity:.85;
}
.check-list.tight li{margin-bottom:9px;font-size:15px}

/* ---------- 两列说明卡 ---------- */
.info-grid{display:grid;grid-template-columns:1fr;gap:24px}
@media (min-width:768px){.info-grid{grid-template-columns:1fr 1fr}}
.info-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-card);
  overflow:hidden;box-shadow:var(--shadow-1);
  transition:transform .2s ease,box-shadow .2s ease;
  display:flex;flex-direction:column;
}
.info-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-2)}
.info-card-media img{width:100%;aspect-ratio:16/10;object-fit:cover;border-radius:0}
.info-card-body{padding:24px;flex:1}
.info-card-body h3{font-size:19px;font-weight:600;margin-bottom:14px}
.info-card-body h3 span{color:var(--spruce);margin-right:8px;font-variant-numeric:tabular-nums}

/* ---------- FAQ ---------- */
.faq-wrap{max-width:900px}
.faq-item{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-card);
  margin-bottom:14px;overflow:hidden;transition:box-shadow .2s ease,border-color .2s ease;
}
.faq-item:hover{border-color:rgba(14,110,99,.24)}
.faq-item[open]{box-shadow:var(--shadow-1);border-color:rgba(14,110,99,.24)}
.faq-item summary{
  list-style:none;cursor:pointer;position:relative;
  display:flex;align-items:center;justify-content:space-between;gap:18px;
  padding:19px 22px 19px 32px;
  font-size:16.5px;font-weight:600;color:var(--night);
  transition:color .2s ease;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::before{
  content:"";position:absolute;left:14px;top:50%;transform:translateY(-50%);
  width:3px;height:18px;border-radius:2px;background:var(--spruce);
  transition:height .22s ease;
}
.faq-item[open] summary{color:var(--spruce)}
.faq-item[open] summary::before{height:26px}
.faq-item summary:focus-visible{outline:2px solid var(--spruce);outline-offset:-2px}
.faq-icon{position:relative;width:16px;height:16px;flex-shrink:0;transition:transform .25s ease}
.faq-icon::before,.faq-icon::after{
  content:"";position:absolute;background:var(--spruce);border-radius:2px;
  transition:opacity .2s ease;
}
.faq-icon::before{left:0;top:7px;width:16px;height:2px}
.faq-icon::after{left:7px;top:0;width:2px;height:16px}
.faq-item[open] .faq-icon{transform:rotate(180deg)}
.faq-item[open] .faq-icon::after{opacity:0}
.faq-answer{padding:0 22px 22px 32px;font-size:15px;line-height:1.75;color:var(--ink);border-top:1px solid var(--line);margin-top:0;padding-top:16px}

/* ---------- CTA ---------- */
.cta-section{
  position:relative;padding:var(--sec) 0;color:#F2F6F5;
  background-image:url('/assets/images/backpic/back-3.webp');
  background-size:cover;background-position:center;
}
.cta-section::before{
  content:"";position:absolute;inset:0;
  background:linear-gradient(120deg,rgba(8,43,42,.9),rgba(14,110,99,.8));
}
.cta-section .grid-container{position:relative;z-index:1}
.cta-copy h2{color:#fff;font-size:24px;font-weight:700;margin-bottom:14px;letter-spacing:-.01em}
@media (min-width:1024px){.cta-copy h2{font-size:28px}}
.cta-copy p{color:rgba(242,246,245,.84);font-size:15.5px;max-width:520px}
.cta-points{margin-top:22px;display:flex;flex-wrap:wrap;gap:10px 26px}
.cta-points span{
  display:inline-flex;align-items:center;gap:8px;
  font-size:14px;color:rgba(242,246,245,.82);
}
.cta-points i{color:var(--amber);font-size:13px}

.cta-form-card{
  background:#fff;border-radius:var(--r-card);padding:26px;
  box-shadow:0 24px 50px -22px rgba(0,0,0,.5);
}
.cta-form-card h3{font-size:17px;font-weight:700;margin-bottom:6px}
.cta-form-card .form-hint{font-size:13.5px;color:var(--ink-soft);margin-bottom:18px}
.field{margin-bottom:14px}
.field label{display:block;font-size:13.5px;font-weight:600;color:var(--night);margin-bottom:6px}
.field input,.field textarea{
  width:100%;padding:12px 14px;border-radius:var(--r-btn);
  border:1px solid var(--line);background:#FCFBF8;color:var(--ink);
  transition:border-color .2s ease,box-shadow .2s ease,background-color .2s ease;
}
.field textarea{resize:vertical;min-height:88px}
.field input:focus,.field textarea:focus{
  outline:none;border-color:var(--spruce);background:#fff;
  box-shadow:0 0 0 3px rgba(14,110,99,.14);
}
.field input::placeholder,.field textarea::placeholder{color:#A9B8B4}
.form-submit{width:100%;border:none}
.form-foot{font-size:12.5px;color:var(--ink-soft);margin-top:12px;text-align:center}

/* ---------- 页脚 ---------- */
.site-footer{
  background:var(--night);color:#DCE7E5;padding:64px 0 26px;
  border-top:1px solid var(--line-dark);
}
.footer-grid{display:grid;grid-template-columns:1fr;gap:34px}
@media (min-width:640px){.footer-grid{grid-template-columns:1fr 1fr}}
@media (min-width:1024px){.footer-grid{grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:40px}}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:14px}
.footer-brand .brand-mark{background:rgba(255,255,255,.08);border:1px solid var(--line-dark)}
.footer-brand .brand-name{font-size:16.5px;font-weight:800;color:#F2F6F5}
.footer-desc{font-size:14px;line-height:1.75;color:rgba(220,231,229,.72);max-width:340px}
.footer-col h4{
  font-size:14px;font-weight:700;color:#F2F6F5;margin-bottom:14px;letter-spacing:.02em;
}
.footer-links li{margin-bottom:9px}
.footer-links a,.footer-contact a,.footer-contact span{
  font-size:14px;color:rgba(220,231,229,.74);transition:color .2s ease;
}
.footer-links a:hover,.footer-contact a:hover{color:#fff;text-decoration:underline;text-underline-offset:4px}
.footer-contact li{display:flex;align-items:flex-start;gap:10px;margin-bottom:10px;font-size:14px}
.footer-contact i{color:var(--mist);margin-top:5px;font-size:13px}
.footer-bottom{
  margin-top:40px;padding-top:20px;border-top:1px solid var(--line-dark);
  display:flex;flex-wrap:wrap;gap:10px 20px;justify-content:space-between;
  font-size:13px;color:rgba(220,231,229,.6);
}
.footer-bottom a{color:rgba(220,231,229,.72)}
.footer-bottom a:hover{color:#fff}

/* ---------- 工具类 ---------- */
.mt-lg{margin-top:32px}
.mb-lg{margin-bottom:32px}
@media (min-width:1024px){
  .split-media{display:grid;grid-template-columns:1.35fr 1fr;gap:40px;align-items:end}
}
@media (max-width:1023px){
  .split-media > *:first-child{margin-bottom:26px}
}

/* roulang page: category4 */
:root{
  --c-primary:#0E6E63;
  --c-primary-dark:#0A544C;
  --c-deep:#082B2A;
  --c-accent:#F08A3C;
  --c-muted:#8FA8A3;
  --c-bg:#F7F5F0;
  --c-card:#FFFFFF;
  --c-text:#2A3B38;
  --c-text-sub:#6E7F7B;
  --c-line:rgba(8,43,42,.08);
  --c-line-strong:rgba(8,43,42,.14);
  --c-line-dark:rgba(255,255,255,.12);
  --c-deep-text:#F2F6F5;
  --r-card:14px;
  --r-img:12px;
  --r-btn:10px;
  --sh-1:0 1px 2px rgba(8,43,42,.06),0 12px 28px -12px rgba(8,43,42,.18);
  --sh-2:0 18px 36px -14px rgba(8,43,42,.28);
  --font-sans:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei","Source Han Sans SC","Noto Sans SC",sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--font-sans);
  font-size:16px;
  line-height:1.8;
  color:var(--c-text);
  background:var(--c-bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border-style:none;}
a{color:var(--c-primary);text-decoration:none;transition:color .18s ease;}
a:hover{color:var(--c-primary-dark);text-decoration:underline;text-underline-offset:4px;}
button{font-family:inherit;}
h1,h2,h3,h4{color:var(--c-deep);margin:0;letter-spacing:-.01em;}
h1{font-size:40px;line-height:1.25;font-weight:800;}
h2{font-size:28px;line-height:1.4;font-weight:700;margin-bottom:14px;}
h3{font-size:19px;line-height:1.5;font-weight:600;}
p{margin:0 0 .75em;color:var(--c-text);}
p:last-child{margin-bottom:0;}
ul,ol{margin:0;padding:0;list-style:none;}
:focus-visible{outline:2px solid var(--c-primary);outline-offset:2px;}
.skip-link{position:absolute;left:-9999px;top:0;background:var(--c-primary);color:#fff;padding:10px 16px;z-index:200;border-radius:0 0 10px 0;}
.skip-link:focus{left:0;}
.container,.grid-container{
  width:100%;
  max-width:1200px;
  margin:0 auto;
  padding-left:15px;
  padding-right:15px;
}
.grid-x.grid-margin-x.align-stretch{align-items:stretch;}

/* ============ 顶部导航 ============ */
.site-header{
  position:sticky;top:0;z-index:60;
  background:#fff;
  border-bottom:1px solid var(--c-line);
  transition:box-shadow .22s ease;
}
.site-header.is-scrolled{box-shadow:0 10px 26px -20px rgba(8,43,42,.45);}
.header-inner{display:flex;align-items:center;gap:26px;height:72px;transition:transform .22s ease;}
.is-scrolled .header-inner{transform:scale(.98);}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto;text-decoration:none;}
.brand:hover{text-decoration:none;}
.brand-mark{
  width:36px;height:36px;border-radius:11px;flex:0 0 36px;
  background:linear-gradient(155deg,#128173,#0A544C);
  display:flex;align-items:center;justify-content:center;
  box-shadow:0 6px 16px -8px rgba(14,110,99,.7);
}
.brand-mark svg{width:21px;height:21px;}
.brand-text{font-size:19px;font-weight:800;color:var(--c-deep);letter-spacing:-.01em;}
.main-nav{display:flex;align-items:center;gap:4px;margin-left:auto;}
.nav-link{
  position:relative;display:inline-flex;align-items:center;
  min-height:44px;padding:0 14px;border-radius:8px;
  font-size:15px;color:var(--c-text);text-decoration:none;
  transition:color .18s ease,background .18s ease;
}
.nav-link::after{
  content:"";position:absolute;left:14px;right:14px;bottom:6px;height:2px;border-radius:2px;
  background:transparent;transition:background .18s ease;
}
.nav-link:hover{color:var(--c-primary);background:rgba(14,110,99,.06);text-decoration:none;}
.nav-link:hover::after{background:rgba(14,110,99,.3);}
.nav-link.is-active{color:var(--c-primary);font-weight:600;}
.nav-link.is-active::after{background:var(--c-primary);}
.header-actions{display:flex;align-items:center;gap:10px;flex:0 0 auto;}
.mega-wrap{position:relative;}
.mega-trigger{
  display:inline-flex;align-items:center;gap:8px;min-height:44px;padding:0 16px;
  border-radius:var(--r-btn);border:1px solid var(--c-line-strong);background:#fff;
  color:var(--c-deep);font-size:14px;font-weight:600;cursor:pointer;
  transition:border-color .18s ease,color .18s ease,background .18s ease;
}
.mega-trigger:hover{border-color:var(--c-primary);color:var(--c-primary);background:rgba(14,110,99,.05);}
.mega-trigger i{font-size:11px;transition:transform .2s ease;}
.mega-wrap.is-open .mega-trigger i{transform:rotate(180deg);}
.mega-panel{
  position:absolute;right:0;top:calc(100% + 14px);width:680px;
  background:#fff;border:1px solid var(--c-line);border-radius:var(--r-card);
  box-shadow:var(--sh-2);padding:22px;z-index:80;
  opacity:0;visibility:hidden;transform:translateY(10px);
  transition:opacity .2s ease,transform .2s ease,visibility .2s ease;
}
.mega-wrap:hover .mega-panel,.mega-wrap.is-open .mega-panel{opacity:1;visibility:visible;transform:translateY(0);}
.mega-grid{display:grid;grid-template-columns:1fr 1.25fr 1fr;gap:22px;}
.mega-col h3{font-size:14px;font-weight:700;color:var(--c-muted);letter-spacing:.06em;margin-bottom:12px;}
.mega-col ul li{margin-bottom:9px;}
.mega-col ul li a{font-size:14px;color:var(--c-text);}
.mega-col ul li a:hover{color:var(--c-primary);}
.mega-list li{display:flex;flex-direction:column;gap:2px;margin-bottom:12px;}
.mega-list li a{font-size:14px;color:var(--c-text);line-height:1.6;}
.mega-list li span{font-size:12px;color:var(--c-muted);}
.mega-card{
  display:block;border:1px solid var(--c-line);border-radius:var(--r-img);overflow:hidden;
  text-decoration:none;background:#fff;transition:transform .2s ease,box-shadow .2s ease;
}
.mega-card:hover{transform:translateY(-3px);box-shadow:var(--sh-1);text-decoration:none;}
.mega-card img{width:100%;aspect-ratio:16/10;object-fit:cover;}
.mega-card span{display:block;padding:12px 14px;font-size:14px;font-weight:600;color:var(--c-deep);}
.nav-toggle{
  display:none;width:44px;height:44px;border-radius:10px;border:1px solid var(--c-line-strong);
  background:#fff;cursor:pointer;flex-direction:column;justify-content:center;align-items:center;gap:5px;padding:0;
}
.nav-toggle span{display:block;width:18px;height:2px;border-radius:2px;background:var(--c-deep);transition:.2s ease;}
.nav-toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(7px) rotate(45deg);}
.nav-toggle[aria-expanded="true"] span:nth-child(2){opacity:0;}
.nav-toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-7px) rotate(-45deg);}
.nav-overlay{position:fixed;inset:0;background:rgba(8,43,42,.45);z-index:45;}

/* ============ 分类页 Hero ============ */
.page-hero{
  position:relative;display:flex;align-items:center;min-height:270px;overflow:hidden;
  background:url('/assets/images/backpic/back-1.png') center/cover no-repeat;
  color:var(--c-deep-text);
}
.page-hero::before{
  content:"";position:absolute;inset:0;
  background:linear-gradient(125deg,rgba(8,43,42,.88) 0%,rgba(14,110,99,.74) 100%);
}
.page-hero::after{
  content:"";position:absolute;inset:0;opacity:.5;
  background-image:linear-gradient(rgba(255,255,255,.055) 1px,transparent 1px),
                   linear-gradient(90deg,rgba(255,255,255,.055) 1px,transparent 1px);
  background-size:46px 46px;
}
.hero-inner{position:relative;z-index:2;padding:56px 0;}
.hero-badge{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:600;letter-spacing:.08em;
  color:#F2F6F5;background:rgba(240,138,60,.9);
  padding:5px 14px;border-radius:999px;margin-bottom:18px;
}
.page-hero h1{color:#fff;max-width:820px;}
.hero-sub{margin:16px 0 0;font-size:17px;line-height:1.8;color:rgba(242,246,245,.88);max-width:720px;}

/* ============ 面包屑 ============ */
.breadcrumb-wrap{padding:20px 0 0;}
.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:14px;color:var(--c-text-sub);}
.breadcrumb a{color:var(--c-text-sub);}
.breadcrumb a:hover{color:var(--c-primary);text-decoration:none;}
.breadcrumb .sep{color:var(--c-muted);}
.breadcrumb .current{color:var(--c-primary);font-weight:600;}

/* ============ 通用板块 ============ */
.section{padding:64px 0;}
.section-alt{background:#fff;}
.section-head{max-width:760px;margin-bottom:38px;}
.section-head.center{margin-left:auto;margin-right:auto;text-align:center;}
.section-head.center .eyebrow{justify-content:center;}
.section-head.center .eyebrow::before{display:none;}
.eyebrow{
  display:inline-flex;align-items:center;gap:9px;margin-bottom:14px;
  font-size:13px;font-weight:700;letter-spacing:.09em;color:var(--c-primary);
}
.eyebrow::before{content:"";width:22px;height:2px;border-radius:2px;background:var(--c-primary);}
.section-lead{font-size:16px;line-height:1.85;color:var(--c-text-sub);}
.text-link{display:inline-flex;align-items:center;gap:7px;font-size:15px;font-weight:600;color:var(--c-primary);}
.text-link:hover{text-decoration:none;color:var(--c-primary-dark);gap:11px;}
.text-link i{font-size:12px;transition:transform .2s ease;}

/* ============ 不等高图文网格 ============ */
.mosaic{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;align-items:start;}
.mosaic-item{
  background:var(--c-card);border:1px solid var(--c-line);border-radius:var(--r-card);
  overflow:hidden;box-shadow:var(--sh-1);
  transition:transform .2s ease,box-shadow .2s ease;
}
.mosaic-item:hover{transform:translateY(-4px);box-shadow:var(--sh-2);}
.mosaic-item.feature{grid-column:span 2;}
.mosaic-media{position:relative;overflow:hidden;}
.mosaic-media img{width:100%;aspect-ratio:16/10;object-fit:cover;transition:transform .35s ease;}
.mosaic-item.feature .mosaic-media img{aspect-ratio:21/9;}
.mosaic-item.tall .mosaic-media img{aspect-ratio:4/3;}
.mosaic-item:hover .mosaic-media img{transform:scale(1.03);}
.media-tag{
  position:absolute;left:14px;bottom:12px;font-size:12px;color:#fff;
  background:rgba(8,43,42,.6);padding:4px 11px;border-radius:999px;
  transition:transform .25s ease;
}
.mosaic-item:hover .media-tag{transform:translateY(-4px);}
.mosaic-body{padding:20px 22px 24px;}
.mosaic-body h3{margin:12px 0 8px;font-size:19px;}
.mosaic-body p{font-size:15px;line-height:1.8;color:var(--c-text-sub);}
.tag{
  display:inline-block;font-size:12px;font-weight:600;color:var(--c-primary);
  background:rgba(14,110,99,.1);padding:4px 11px;border-radius:999px;
}
.tag.accent{color:#B85C16;background:rgba(240,138,60,.16);}

/* ============ 编号要点列表 ============ */
.numbered{border-top:1px solid var(--c-line);}
.numbered li{display:flex;gap:22px;padding:24px 0;border-bottom:1px solid var(--c-line);}
.numbered .num{
  flex:0 0 54px;font-size:28px;font-weight:800;line-height:1.1;color:var(--c-primary);
  font-variant-numeric:tabular-nums;letter-spacing:-.02em;
}
.numbered h3{margin-bottom:8px;font-size:18px;}
.numbered p{font-size:15px;line-height:1.8;color:var(--c-text-sub);}

/* ============ 时间线 ============ */
.timeline{position:relative;max-width:820px;margin:0 auto;padding-left:32px;}
.timeline::before{content:"";position:absolute;left:7px;top:10px;bottom:10px;width:1px;background:var(--c-line-strong);}
.timeline li{position:relative;padding-bottom:32px;}
.timeline li:last-child{padding-bottom:0;}
.tl-dot{
  position:absolute;left:-32px;top:7px;width:15px;height:15px;border-radius:50%;
  background:#fff;border:2px solid var(--c-primary);
}
.tl-step{
  display:inline-block;font-size:13px;font-weight:700;letter-spacing:.07em;
  color:var(--c-primary);margin-bottom:6px;
}
.timeline h3{margin-bottom:8px;font-size:18px;}
.timeline p{font-size:15px;line-height:1.8;color:var(--c-text-sub);}

/* ============ 引用块与说明卡 ============ */
.quote-block{
  margin:0 0 34px;padding:26px 30px;border-left:3px solid var(--c-primary);
  background:rgba(14,110,99,.08);border-radius:0 var(--r-card) var(--r-card) 0;
  font-size:17px;line-height:1.85;color:var(--c-deep);
}
.quote-block cite{display:block;margin-top:12px;font-size:14px;font-style:normal;color:var(--c-text-sub);}
.info-card{
  height:100%;background:#fff;border:1px solid var(--c-line);border-radius:var(--r-card);
  padding:26px;box-shadow:var(--sh-1);transition:transform .2s ease,box-shadow .2s ease;
}
.info-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);}
.info-card .icon-box{
  width:44px;height:44px;border-radius:12px;display:flex;align-items:center;justify-content:center;
  background:rgba(14,110,99,.1);color:var(--c-primary);font-size:18px;margin-bottom:16px;
}
.info-card h3{margin-bottom:10px;}
.info-card p{font-size:15px;line-height:1.8;color:var(--c-text-sub);}

/* ============ FAQ ============ */
.faq-list{max-width:900px;margin:0 auto;}
.faq-item{
  background:#fff;border:1px solid var(--c-line);border-radius:var(--r-card);
  margin-bottom:14px;overflow:hidden;box-shadow:var(--sh-1);
}
.faq-item summary{
  position:relative;list-style:none;cursor:pointer;display:flex;align-items:center;gap:16px;
  padding:20px 24px;font-size:17px;font-weight:600;color:var(--c-deep);
  transition:color .18s ease;
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary::before{
  content:"";position:absolute;left:0;top:18px;bottom:18px;width:3px;border-radius:0 3px 3px 0;
  background:var(--c-primary);transition:background .2s ease,bottom .2s ease,top .2s ease;
}
.faq-item summary:hover{color:var(--c-primary);}
.faq-item[open] summary{color:var(--c-primary);}
.faq-item[open] summary::before{background:var(--c-accent);top:12px;bottom:12px;}
.faq-item summary > span:first-child{flex:1 1 auto;}
.faq-icon{position:relative;flex:0 0 20px;width:20px;height:20px;}
.faq-icon::before,.faq-icon::after{
  content:"";position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);
  background:var(--c-primary);border-radius:2px;transition:transform .25s ease,opacity .25s ease;
}
.faq-icon::before{width:14px;height:2px;}
.faq-icon::after{width:2px;height:14px;}
.faq-item[open] .faq-icon::after{transform:translate(-50%,-50%) rotate(90deg);opacity:0;}
.faq-body{padding:0 24px 22px;font-size:15px;line-height:1.75;color:var(--c-text);}

/* ============ CTA ============ */
.cta{
  position:relative;overflow:hidden;color:var(--c-deep-text);
  background:url('/assets/images/backpic/back-2.png') center/cover no-repeat;
}
.cta::before{
  content:"";position:absolute;inset:0;
  background:linear-gradient(115deg,rgba(8,43,42,.9) 0%,rgba(14,110,99,.8) 100%);
}
.cta-inner{position:relative;z-index:2;padding:72px 0;}
.cta h2{color:#fff;}
.cta p{color:rgba(242,246,245,.85);font-size:16px;line-height:1.85;}
.cta-points{margin-top:22px;}
.cta-points li{display:flex;align-items:flex-start;gap:10px;margin-bottom:12px;font-size:15px;color:rgba(242,246,245,.9);}
.cta-points i{color:var(--c-accent);margin-top:5px;font-size:13px;}
.form-card{
  background:rgba(255,255,255,.07);border:1px solid var(--c-line-dark);
  border-radius:var(--r-card);padding:26px;
}
.field{margin-bottom:16px;}
.field label{display:block;font-size:14px;color:rgba(242,246,245,.85);margin-bottom:8px;}
.field input,.field textarea{
  width:100%;padding:12px 14px;font-size:15px;font-family:inherit;color:#fff;
  background:rgba(255,255,255,.07);border:1px solid var(--c-line-dark);
  border-radius:var(--r-btn);transition:border-color .18s ease,background .18s ease,box-shadow .18s ease;
}
.field textarea{min-height:96px;resize:vertical;line-height:1.7;}
.field input::placeholder,.field textarea::placeholder{color:rgba(242,246,245,.45);}
.field input:focus,.field textarea:focus{
  outline:none;border-color:var(--c-accent);background:rgba(255,255,255,.14);
  box-shadow:0 0 0 3px rgba(240,138,60,.2);
}
.form-note{margin-top:14px;font-size:13px;color:rgba(242,246,245,.8);}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:46px;padding:0 24px;border-radius:var(--r-btn);
  font-size:15px;font-weight:600;font-family:inherit;cursor:pointer;
  border:1px solid transparent;text-decoration:none;
  transition:transform .18s ease,background .18s ease,color .18s ease,border-color .18s ease,box-shadow .18s ease;
}
.btn:hover{text-decoration:none;transform:translateY(-2px);}
.btn-primary{background:var(--c-primary);color:#fff;box-shadow:0 10px 22px -14px rgba(14,110,99,.9);}
.btn-primary:hover{background:var(--c-primary-dark);color:#fff;}
.btn-accent{background:var(--c-accent);color:#fff;box-shadow:0 10px 22px -14px rgba(240,138,60,.95);}
.btn-accent:hover{background:#dc7728;color:#fff;}
.btn-ghost{background:transparent;border-color:var(--c-line-strong);color:var(--c-deep);}
.btn-ghost:hover{border-color:var(--c-primary);color:var(--c-primary);background:rgba(14,110,99,.08);}
.btn-light-ghost{background:transparent;border-color:rgba(242,246,245,.42);color:#F2F6F5;}
.btn-light-ghost:hover{background:rgba(255,255,255,.14);color:#fff;border-color:rgba(255,255,255,.7);}
.btn-block{width:100%;}
.btn-row{display:flex;flex-wrap:wrap;gap:14px;}

/* ============ 页脚 ============ */
.site-footer{background:var(--c-deep);color:rgba(242,246,245,.75);padding:0;margin-top:0;}
.footer-grid{
  display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:36px;
  padding:56px 0 40px;border-bottom:1px solid var(--c-line-dark);
}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:14px;}
.footer-brand .brand-mark{background:rgba(255,255,255,.1);box-shadow:none;}
.brand-name{font-size:18px;font-weight:800;color:#F2F6F5;letter-spacing:-.01em;}
.footer-desc{font-size:14px;line-height:1.85;color:rgba(242,246,245,.68);max-width:340px;}
.footer-col h4{font-size:16px;font-weight:600;color:#F2F6F5;margin-bottom:16px;}
.footer-links li{margin-bottom:10px;}
.footer-links a{font-size:14px;color:rgba(242,246,245,.7);}
.footer-links a:hover{color:#fff;text-decoration:none;}
.footer-contact li{display:flex;align-items:flex-start;gap:10px;margin-bottom:12px;font-size:14px;color:rgba(242,246,245,.72);}
.footer-contact i{color:var(--c-muted);margin-top:5px;font-size:13px;}
.footer-contact a{color:rgba(242,246,245,.72);}
.footer-contact a:hover{color:#fff;text-decoration:none;}
.footer-bottom{
  display:flex;flex-wrap:wrap;justify-content:space-between;gap:12px;
  padding:20px 0;font-size:13px;color:rgba(242,246,245,.58);
}
.footer-bottom a{color:rgba(242,246,245,.62);}
.footer-bottom a:hover{color:#fff;text-decoration:none;}

/* ============ 响应式 ============ */
@media (min-width:1024px){
  .section{padding:88px 0;}
}
@media (max-width:1023px){
  h1{font-size:32px;}
  .header-inner{height:60px;gap:14px;}
  .nav-toggle{display:flex;}
  .main-nav{
    position:fixed;top:60px;left:0;right:0;z-index:55;
    flex-direction:column;align-items:stretch;gap:2px;margin-left:0;
    background:#fff;padding:14px 16px 22px;border-bottom:1px solid var(--c-line);
    max-height:calc(100vh - 60px);overflow-y:auto;
    transform:translateY(-14px);opacity:0;visibility:hidden;
    transition:opacity .22s ease,transform .22s ease,visibility .22s ease;
  }
  .main-nav.is-open{transform:translateY(0);opacity:1;visibility:visible;}
  .nav-link{padding:12px 10px;border-radius:10px;font-size:16px;}
  .nav-link::after{display:none;}
  .nav-link.is-active{background:rgba(14,110,99,.09);}
  .mega-panel{
    position:static;display:none;width:100%;opacity:1;visibility:visible;
    transform:none;box-shadow:none;border-radius:var(--r-img);padding:16px;margin-top:8px;
  }
  .mega-wrap.is-open .mega-panel{display:block;}
  .mega-wrap:hover .mega-panel{opacity:1;visibility:visible;transform:none;}
  .mega-grid{grid-template-columns:1fr;gap:18px;}
  .page-hero{min-height:250px;}
  .hero-inner{padding:48px 0;}
  .mosaic{grid-template-columns:repeat(2,1fr);}
  .mosaic-item.feature{grid-column:span 2;}
  .mosaic-item.feature .mosaic-media img{aspect-ratio:16/9;}
  .cta-inner{padding:60px 0;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:30px;padding:44px 0 32px;}
}
@media (max-width:639px){
  h1{font-size:27px;}
  h2{font-size:23px;}
  .section{padding:52px 0;}
  .section-head{margin-bottom:28px;}
  .brand-text{font-size:17px;}
  .mosaic{grid-template-columns:1fr;}
  .mosaic-item.feature{grid-column:span 1;}
  .mosaic-item.feature .mosaic-media img,
  .mosaic-media img{aspect-ratio:16/10;}
  .numbered li{gap:14px;padding:20px 0;}
  .numbered .num{flex:0 0 38px;font-size:22px;}
  .timeline{padding-left:26px;}
  .tl-dot{left:-26px;}
  .quote-block{padding:20px 20px;font-size:16px;}
  .form-card{padding:20px;}
  .footer-grid{grid-template-columns:1fr;gap:26px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
  .btn{width:100%;}
  .btn-row .btn{width:100%;}
}