/* roulang page: index */
/* ============ 设计变量 ============ */
:root{
  --brand-900:#10294A;
  --brand-700:#1B4A85;
  --brand-500:#2E6FB8;
  --brand-100:#E3EDF8;
  --bg:#F4F8FD;
  --surface:#FFFFFF;
  --accent-500:#F08A24;
  --accent-50:#FFF4E6;
  --ink-900:#16202E;
  --ink-600:#4A5A6E;
  --ink-400:#8A97A8;
  --line:#E2E9F1;
  --ok:#2FA36B;
  --warn:#E05B4A;
  --r-sm:8px;
  --r-md:12px;
  --r-lg:16px;
  --r-xl:24px;
  --r-pill:999px;
  --sh1:0 1px 2px rgba(16,41,74,.04);
  --sh2:0 8px 24px rgba(16,41,74,.08);
  --sh3:0 18px 48px rgba(16,41,74,.12);
  --container:1200px;
  --gap:24px;
  --ease:180ms ease;
}

/* ============ 基础 reset ============ */
*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%;}
body{
  margin:0;
  font-family:'HarmonyOS Sans SC','PingFang SC','Microsoft YaHei','Noto Sans SC',system-ui,sans-serif;
  font-size:16px;
  line-height:1.8;
  color:var(--ink-900);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block;border-style:none;}
a{color:inherit;text-decoration:none;}
button,input,select,textarea{font:inherit;color:inherit;}
h1,h2,h3,h4,p,ul,ol,figure{margin:0;}
ul,ol{padding:0;list-style:none;}
table{border-collapse:collapse;width:100%;}

/* ============ 容器与板块 ============ */
.container{
  width:100%;
  max-width:var(--container);
  margin:0 auto;
  padding:0 24px;
}
.section{padding:96px 0;}
.section--tight{padding:72px 0;}
.section-head{
  display:flex;
  align-items:flex-end;
  justify-content:space-between;
  gap:32px;
  margin-bottom:44px;
}
.section-head h2{
  font-size:clamp(24px,2.6vw,34px);
  line-height:1.3;
  font-weight:700;
  letter-spacing:-.5px;
}
.section-head p{
  color:var(--ink-600);
  font-size:15px;
  margin-top:10px;
  max-width:620px;
}
.eyebrow{
  display:inline-block;
  font-size:13px;
  font-weight:600;
  letter-spacing:.08em;
  color:var(--brand-500);
  background:var(--brand-100);
  border-radius:var(--r-pill);
  padding:4px 14px;
  margin-bottom:14px;
}

/* ============ 导航 ============ */
.site-header{
  position:fixed;
  top:0;left:0;right:0;
  z-index:120;
  height:72px;
  display:flex;
  align-items:center;
  background:rgba(244,248,253,.55);
  backdrop-filter:blur(16px) saturate(140%);
  -webkit-backdrop-filter:blur(16px) saturate(140%);
  border-bottom:1px solid rgba(255,255,255,.55);
  box-shadow:0 6px 24px rgba(16,41,74,.06);
  transition:height var(--ease),background var(--ease),box-shadow var(--ease),border-color var(--ease);
}
.site-header.is-stuck{
  height:64px;
  background:rgba(255,255,255,.94);
  border-bottom-color:var(--line);
  box-shadow:var(--sh2);
}
.nav-inner{
  width:100%;
  max-width:var(--container);
  margin:0 auto;
  padding:0 24px;
  display:flex;
  align-items:center;
  gap:28px;
}
.logo{
  display:flex;
  align-items:center;
  gap:10px;
  flex:0 0 auto;
  white-space:nowrap;
}
.logo-badge{
  width:36px;height:36px;
  border-radius:11px;
  background:linear-gradient(145deg,var(--brand-700),var(--brand-500));
  color:#fff;
  font-size:14px;
  font-weight:700;
  display:flex;
  align-items:center;
  justify-content:center;
  letter-spacing:0;
  box-shadow:0 6px 14px rgba(46,111,184,.28);
}
.logo-word{display:flex;align-items:baseline;font-size:17px;line-height:1;letter-spacing:-.2px;white-space:nowrap;}
.logo-word b{font-weight:800;color:var(--ink-900);}
.logo-word i{font-style:normal;font-weight:700;color:var(--brand-500);}

.nav-links{
  display:flex;
  align-items:center;
  gap:6px;
  margin-left:auto;
}
.nav-links a{
  position:relative;
  display:inline-block;
  padding:9px 12px;
  font-size:15px;
  color:var(--ink-600);
  border-radius:var(--r-sm);
  transition:color var(--ease);
  white-space:nowrap;
}
.nav-links a::after{
  content:"";
  position:absolute;
  left:50%;bottom:2px;
  width:0;height:2px;
  background:var(--brand-500);
  border-radius:2px;
  transform:translateX(-50%);
  transition:width var(--ease);
}
.nav-links a:hover{color:var(--brand-500);}
.nav-links a:hover::after{width:22px;}
.nav-links a.active{color:var(--brand-500);font-weight:600;}
.nav-links a.active::after{width:22px;}

.nav-actions{display:flex;align-items:center;gap:10px;flex:0 0 auto;}
.icon-btn{
  width:42px;height:42px;
  border-radius:var(--r-md);
  border:1px solid var(--line);
  background:rgba(255,255,255,.7);
  display:flex;align-items:center;justify-content:center;
  cursor:pointer;
  color:var(--ink-600);
  transition:var(--ease);
}
.icon-btn:hover{color:var(--brand-500);border-color:var(--brand-100);background:#fff;}
.icon-btn svg{width:19px;height:19px;}
.btn-nav{
  height:42px;
  padding:0 20px;
  border-radius:var(--r-md);
  background:var(--brand-500);
  color:#fff;
  font-size:15px;
  font-weight:600;
  display:inline-flex;
  align-items:center;
  gap:6px;
  transition:var(--ease);
  box-shadow:0 6px 16px rgba(46,111,184,.22);
}
.btn-nav:hover{background:var(--brand-700);transform:translateY(-1px);box-shadow:var(--sh2);}

.search-panel{
  position:fixed;
  top:72px;left:0;right:0;
  z-index:110;
  background:rgba(255,255,255,.97);
  backdrop-filter:blur(14px);
  border-bottom:1px solid var(--line);
  box-shadow:var(--sh2);
  padding:18px 0;
  display:none;
}
.search-panel.open{display:block;}
.search-panel .container{display:flex;gap:12px;}
.search-panel input{
  flex:1;
  height:48px;
  border-radius:var(--r-md);
  border:1px solid var(--line);
  background:var(--bg);
  padding:0 16px;
  outline:none;
  transition:var(--ease);
}
.search-panel input:focus{border-color:var(--brand-500);box-shadow:0 0 0 3px rgba(46,111,184,.35);background:#fff;}
.search-panel button{
  height:48px;padding:0 24px;border:0;border-radius:var(--r-md);
  background:var(--brand-500);color:#fff;font-weight:600;cursor:pointer;transition:var(--ease);
}
.search-panel button:hover{background:var(--brand-700);}

.hamburger{
  display:none;
  width:42px;height:42px;
  border-radius:var(--r-md);
  border:1px solid var(--line);
  background:rgba(255,255,255,.7);
  cursor:pointer;
  flex-direction:column;
  align-items:center;
  justify-content:center;
  gap:4px;
}
.hamburger span{width:18px;height:2px;background:var(--ink-900);border-radius:2px;transition:var(--ease);}

.drawer{
  position:fixed;
  inset:0;
  z-index:130;
  background:rgba(255,255,255,.96);
  backdrop-filter:blur(18px);
  -webkit-backdrop-filter:blur(18px);
  transform:translateX(100%);
  transition:transform 220ms ease;
  padding:88px 24px 40px;
  overflow-y:auto;
}
.drawer.open{transform:translateX(0);}
.drawer-close{
  position:absolute;top:20px;right:22px;
  width:42px;height:42px;border-radius:var(--r-md);
  border:1px solid var(--line);background:#fff;font-size:22px;line-height:1;cursor:pointer;color:var(--ink-600);
}
.drawer nav{display:flex;flex-direction:column;gap:4px;margin-bottom:28px;}
.drawer nav a{
  font-size:19px;font-weight:600;padding:14px 4px;border-bottom:1px solid var(--line);color:var(--ink-900);
}
.drawer nav a.active{color:var(--brand-500);}
.drawer .btn-primary{width:100%;justify-content:center;}
.drawer-contact{margin-top:24px;color:var(--ink-600);font-size:14px;line-height:2;}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  height:48px;
  padding:0 26px;
  border-radius:var(--r-md);
  font-size:16px;
  font-weight:600;
  border:1.5px solid transparent;
  cursor:pointer;
  transition:var(--ease);
  white-space:nowrap;
}
.btn-primary{background:var(--brand-500);color:#fff;box-shadow:0 8px 20px rgba(46,111,184,.24);}
.btn-primary:hover{background:var(--brand-700);transform:translateY(-1px);box-shadow:var(--sh2);}
.btn-ghost{background:#fff;color:var(--brand-500);border-color:var(--brand-500);}
.btn-ghost:hover{background:var(--brand-100);transform:translateY(-1px);}
.btn-accent{background:var(--accent-500);color:#fff;box-shadow:0 10px 24px rgba(240,138,36,.3);}
.btn-accent:hover{background:#da7a17;transform:translateY(-1px);box-shadow:var(--sh2);}
.btn:focus-visible,.icon-btn:focus-visible,.hamburger:focus-visible,a:focus-visible{
  outline:none;box-shadow:0 0 0 3px rgba(46,111,184,.35);
}
.link-arrow{
  display:inline-flex;align-items:center;gap:6px;
  color:var(--brand-500);font-weight:600;font-size:15px;
}
.link-arrow span{transition:transform var(--ease);}
.link-arrow:hover span{transform:translateX(3px);}

/* ============ 徽章 / 标签 ============ */
.badge{
  display:inline-block;
  font-size:13px;
  font-weight:600;
  padding:3px 12px;
  border-radius:var(--r-pill);
  background:var(--brand-100);
  color:var(--brand-700);
  line-height:1.7;
}
.badge--gray{background:#EEF2F7;color:var(--ink-600);}
.badge--accent{background:var(--accent-50);color:#B7660F;}

/* ============ Hero ============ */
.hero{
  position:relative;
  padding:152px 0 96px;
  background:
    radial-gradient(680px 320px at 12% 8%,rgba(46,111,184,.09),transparent 70%),
    radial-gradient(560px 300px at 88% 0%,rgba(240,138,36,.08),transparent 70%),
    radial-gradient(rgba(16,41,74,.07) 1px,transparent 1px) 0 0/22px 22px,
    var(--bg);
  overflow:hidden;
}
.hero-inner{
  display:grid;
  grid-template-columns:1.05fr .95fr;
  gap:56px;
  align-items:center;
}
.hero-tag{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:600;color:var(--brand-700);
  background:rgba(255,255,255,.85);
  border:1px solid var(--line);
  border-radius:var(--r-pill);
  padding:6px 16px;
  margin-bottom:20px;
  box-shadow:var(--sh1);
}
.hero-tag::before{
  content:"";width:7px;height:7px;border-radius:50%;background:var(--ok);
  box-shadow:0 0 0 3px rgba(47,163,107,.16);
}
.hero h1{
  font-size:clamp(30px,4.4vw,52px);
  line-height:1.25;
  font-weight:800;
  letter-spacing:-1px;
}
.hero-sub{
  margin-top:20px;
  font-size:17px;
  line-height:1.85;
  color:var(--ink-600);
  max-width:560px;
}
.hero-actions{display:flex;gap:14px;margin-top:32px;flex-wrap:wrap;}
.hero-points{
  display:flex;flex-wrap:wrap;gap:12px 28px;margin-top:34px;
  padding-top:26px;border-top:1px solid var(--line);
}
.hero-points li{display:flex;align-items:center;gap:9px;font-size:14px;color:var(--ink-600);}
.hero-points .dot{
  width:18px;height:18px;border-radius:50%;
  background:var(--brand-100);
  display:inline-flex;align-items:center;justify-content:center;
  color:var(--brand-700);font-size:11px;font-weight:700;
}
.hero-points .dot::after{content:"✓";}

.hero-visual{position:relative;}
.hero-img{
  border-radius:var(--r-xl);
  overflow:hidden;
  border:1px solid var(--line);
  box-shadow:var(--sh3);
  background:var(--brand-100);
  aspect-ratio:16/11;
}
.hero-img img{width:100%;height:100%;object-fit:cover;}
.hero-float{
  position:absolute;
  left:-18px;bottom:-22px;
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  box-shadow:var(--sh2);
  padding:16px 22px;
  display:flex;
  align-items:center;
  gap:14px;
}
.float-num{
  font-family:'Inter','Manrope',sans-serif;
  font-variant-numeric:tabular-nums;
  font-size:30px;
  font-weight:800;
  line-height:1;
  color:var(--brand-500);
}
.float-label{font-size:13px;color:var(--ink-600);line-height:1.6;max-width:110px;}

/* ============ 卡片 ============ */
.card{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  box-shadow:var(--sh1);
  transition:var(--ease);
  overflow:hidden;
  display:flex;
  flex-direction:column;
}
.card:hover{box-shadow:var(--sh2);transform:translateY(-2px);}
.card-media{background:var(--brand-100);overflow:hidden;}
.card-media img{width:100%;aspect-ratio:16/10;object-fit:cover;transition:transform 260ms ease;}
.card:hover .card-media img{transform:scale(1.03);}
.card-body{padding:24px;display:flex;flex-direction:column;gap:12px;flex:1;}
.card-body h3{font-size:20px;line-height:1.4;font-weight:600;}
.card-body p{font-size:15px;color:var(--ink-600);line-height:1.85;}

/* ============ 服务板块 2+1 ============ */
.service-layout{
  display:grid;
  grid-template-columns:1.15fr .85fr;
  gap:var(--gap);
  align-items:stretch;
}
.service-layout .card-lg .card-media img{aspect-ratio:16/9;}
.service-layout .card-lg .card-body{padding:32px;gap:14px;}
.service-layout .card-lg .card-body p{font-size:15.5px;}
.service-side{display:flex;flex-direction:column;gap:var(--gap);}
.card-row{flex-direction:row;align-items:stretch;}
.card-row .card-thumb{
  flex:0 0 132px;
  background:var(--brand-100);
  overflow:hidden;
}
.card-row .card-thumb img{width:100%;height:100%;object-fit:cover;}
.card-row .card-body{padding:22px;gap:8px;}
.card-row .card-body h3{font-size:18px;}
.card-row .card-body p{font-size:14.5px;line-height:1.75;}

/* ============ 数据对比条 ============ */
.stats-band{
  background:var(--brand-900);
  color:#fff;
  padding:64px 0;
}
.stats-inner{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:32px;
}
.stat{display:flex;flex-direction:column;gap:6px;}
.stat-num{
  font-family:'Inter','Manrope',sans-serif;
  font-variant-numeric:tabular-nums;
  font-size:clamp(30px,3.4vw,44px);
  font-weight:800;
  line-height:1.1;
  letter-spacing:-1px;
}
.stat-num small{font-size:18px;font-weight:700;margin-left:2px;}
.stat-label{font-size:14px;color:rgba(255,255,255,.7);line-height:1.7;}
.stat-divider{border-left:1px solid rgba(255,255,255,.14);padding-left:32px;}

/* ============ 分类入口 ============ */
.cat-grid{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:var(--gap);
}
.cat-card{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  padding:26px 24px;
  box-shadow:var(--sh1);
  transition:var(--ease);
  display:flex;
  flex-direction:column;
  gap:12px;
  min-height:212px;
}
.cat-card:hover{box-shadow:var(--sh2);transform:translateY(-2px);border-color:var(--brand-100);}
.cat-icon{
  width:44px;height:44px;border-radius:var(--r-md);
  background:var(--brand-100);
  color:var(--brand-700);
  display:flex;align-items:center;justify-content:center;
  font-weight:800;
  font-size:16px;
  font-family:'Inter','Manrope',sans-serif;
}
.cat-card h3{font-size:17px;font-weight:600;line-height:1.45;}
.cat-card p{font-size:14px;color:var(--ink-600);line-height:1.75;flex:1;}

/* ============ 场景交错 ============ */
.scene{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:56px;
  align-items:center;
  padding:34px 0;
}
.scene + .scene{border-top:1px solid var(--line);}
.scene.reverse .scene-media{order:2;}
.scene-media{
  border-radius:var(--r-lg);
  overflow:hidden;
  border:1px solid var(--line);
  box-shadow:var(--sh2);
  background:var(--brand-100);
  aspect-ratio:16/10;
}
.scene-media img{width:100%;height:100%;object-fit:cover;}
.scene-copy h3{font-size:clamp(20px,2vw,26px);font-weight:700;line-height:1.4;margin-bottom:14px;}
.scene-copy p{color:var(--ink-600);font-size:15.5px;line-height:1.9;margin-bottom:16px;}
.scene-list li{
  display:flex;gap:10px;align-items:flex-start;
  font-size:15px;color:var(--ink-600);
  padding:7px 0;
}
.scene-list li::before{
  content:"";
  flex:0 0 6px;
  width:6px;height:6px;margin-top:11px;
  border-radius:50%;background:var(--accent-500);
}

/* ============ 时间轴 ============ */
.timeline{position:relative;padding-left:6px;}
.timeline-item{
  position:relative;
  display:grid;
  grid-template-columns:56px 1fr;
  gap:24px;
  padding-bottom:38px;
}
.timeline-item:last-child{padding-bottom:0;}
.timeline-item::before{
  content:"";
  position:absolute;
  left:27px;top:56px;bottom:0;
  width:2px;
  background:var(--line);
}
.timeline-item:last-child::before{display:none;}
.timeline-num{
  width:56px;height:56px;
  border-radius:50%;
  background:#fff;
  border:2px solid var(--brand-100);
  color:var(--brand-700);
  font-family:'Inter','Manrope',sans-serif;
  font-weight:800;
  font-size:17px;
  display:flex;align-items:center;justify-content:center;
  position:relative;z-index:1;
  box-shadow:var(--sh1);
}
.timeline-body{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  padding:22px 26px;
  box-shadow:var(--sh1);
  transition:var(--ease);
}
.timeline-body:hover{box-shadow:var(--sh2);transform:translateY(-2px);}
.timeline-body h3{font-size:18px;font-weight:600;margin-bottom:8px;}
.timeline-body p{font-size:15px;color:var(--ink-600);line-height:1.85;}

/* ============ 最新信息 ============ */
.news-grid{
  display:grid;
  grid-template-columns:1.15fr 1fr;
  gap:var(--gap);
  align-items:start;
}
.news-lead{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  overflow:hidden;
  box-shadow:var(--sh1);
  transition:var(--ease);
  height:100%;
}
.news-lead:hover{box-shadow:var(--sh2);transform:translateY(-2px);}
.news-lead-media{background:var(--brand-100);overflow:hidden;}
.news-lead-media img{width:100%;aspect-ratio:16/9;object-fit:cover;transition:transform 260ms ease;}
.news-lead:hover .news-lead-media img{transform:scale(1.03);}
.news-lead-body{padding:26px;display:flex;flex-direction:column;gap:12px;}
.news-lead-body h3{font-size:21px;font-weight:600;line-height:1.45;}
.news-lead-body p{
  font-size:15px;color:var(--ink-600);line-height:1.85;
  display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;
}
.news-sub{display:grid;grid-template-columns:1fr 1fr;gap:var(--gap);}
.news-card{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  overflow:hidden;
  box-shadow:var(--sh1);
  transition:var(--ease);
  display:flex;
  flex-direction:column;
}
.news-card:hover{box-shadow:var(--sh2);transform:translateY(-2px);}
.news-card-media{background:var(--brand-100);overflow:hidden;}
.news-card-media img{width:100%;aspect-ratio:16/10;object-fit:cover;transition:transform 260ms ease;}
.news-card:hover .news-card-media img{transform:scale(1.04);}
.news-card-body{padding:18px;display:flex;flex-direction:column;gap:9px;flex:1;}
.news-card-body h3{
  font-size:16px;font-weight:600;line-height:1.5;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
  transition:color var(--ease);
}
.news-card:hover .news-card-body h3{color:var(--brand-500);}
.news-card-body p{
  font-size:13.5px;color:var(--ink-600);line-height:1.75;flex:1;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.news-meta{
  display:flex;align-items:center;justify-content:space-between;gap:12px;
  font-size:13px;color:var(--ink-400);
  font-family:'Inter','Manrope',sans-serif;
  font-variant-numeric:tabular-nums;
  padding-top:4px;
}
.news-lead:hover h3{color:var(--brand-500);}
.news-lead-body h3{transition:color var(--ease);}

.empty-state{
  min-height:240px;
  display:flex;
  flex-direction:column;
  align-items:center;
  justify-content:center;
  gap:14px;
  background:var(--surface);
  border:1px dashed var(--line);
  border-radius:var(--r-lg);
  color:var(--ink-600);
  font-size:15px;
  text-align:center;
  padding:32px;
}
.empty-state .empty-icon{
  width:56px;height:56px;border-radius:50%;
  background:var(--brand-100);
  color:var(--brand-500);
  display:flex;align-items:center;justify-content:center;
  font-size:22px;
}

/* ============ FAQ ============ */
.faq-wrap{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:18px 24px;
  align-items:start;
}
.faq-col{display:flex;flex-direction:column;gap:14px;}
.faq-item{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--r-md);
  box-shadow:var(--sh1);
  overflow:hidden;
  transition:var(--ease);
}
.faq-item.open{box-shadow:var(--sh2);border-color:var(--brand-100);}
.faq-q{
  width:100%;
  background:none;
  border:0;
  text-align:left;
  padding:18px 20px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  cursor:pointer;
  font-size:16px;
  font-weight:600;
  line-height:1.6;
  color:var(--ink-900);
  transition:color var(--ease);
}
.faq-item.open .faq-q{color:var(--brand-500);}
.faq-sign{
  flex:0 0 26px;
  width:26px;height:26px;
  border-radius:50%;
  background:var(--brand-100);
  color:var(--brand-700);
  display:flex;align-items:center;justify-content:center;
  font-size:16px;
  line-height:1;
  transition:var(--ease);
}
.faq-item.open .faq-sign{background:var(--brand-500);color:#fff;transform:rotate(180deg);}
.faq-a{
  max-height:0;
  overflow:hidden;
  transition:max-height 300ms ease;
}
.faq-a-inner{
  padding:0 20px 20px;
  font-size:15px;
  line-height:1.85;
  color:var(--ink-600);
}

/* ============ 联系 ============ */
.contact-layout{
  display:grid;
  grid-template-columns:1.25fr .75fr;
  gap:var(--gap);
  align-items:start;
}
.form-card,.info-card{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  box-shadow:var(--sh1);
  padding:32px;
}
.field{margin-bottom:18px;}
.field label{
  display:block;
  font-size:14px;
  font-weight:600;
  margin-bottom:8px;
  color:var(--ink-900);
}
.field input,.field select,.field textarea{
  width:100%;
  height:48px;
  border:1px solid var(--line);
  border-radius:var(--r-md);
  background:var(--surface);
  padding:0 14px;
  outline:none;
  transition:var(--ease);
  appearance:none;
}
.field textarea{height:auto;min-height:118px;padding:12px 14px;resize:vertical;line-height:1.8;}
.field select{
  background-image:linear-gradient(45deg,transparent 50%,var(--ink-400) 50%),linear-gradient(135deg,var(--ink-400) 50%,transparent 50%);
  background-position:calc(100% - 20px) 21px,calc(100% - 15px) 21px;
  background-size:5px 5px,5px 5px;
  background-repeat:no-repeat;
}
.field input:focus,.field select:focus,.field textarea:focus{
  border-color:var(--brand-500);
  box-shadow:0 0 0 3px rgba(46,111,184,.35);
}
.field.error input,.field.error select,.field.error textarea{border-color:var(--warn);}
.field .msg{font-size:13px;margin-top:6px;display:none;}
.field.error .msg{display:block;color:var(--warn);}
.field.ok input,.field.ok select,.field.ok textarea{border-color:var(--ok);}
.form-note{font-size:13px;color:var(--ink-400);margin-top:14px;line-height:1.7;}
.form-success{
  display:none;
  margin-top:16px;
  padding:12px 16px;
  border-radius:var(--r-md);
  background:rgba(47,163,107,.1);
  color:#1F7A4D;
  font-size:14px;
}
.form-success.show{display:block;}
.info-card h3{font-size:18px;font-weight:600;margin-bottom:18px;}
.info-list li{
  display:flex;
  justify-content:space-between;
  gap:16px;
  padding:13px 0;
  border-bottom:1px dashed var(--line);
  font-size:15px;
}
.info-list li:last-child{border-bottom:0;}
.info-list span:first-child{color:var(--ink-400);font-size:14px;flex:0 0 auto;}
.info-list span:last-child{color:var(--ink-900);font-weight:600;text-align:right;}
.map-placeholder{
  margin-top:20px;
  height:136px;
  border-radius:var(--r-md);
  border:1px dashed var(--line);
  background:
    radial-gradient(rgba(16,41,74,.07) 1px,transparent 1px) 0 0/14px 14px,
    var(--bg);
  display:flex;
  align-items:center;
  justify-content:center;
  color:var(--ink-400);
  font-size:13.5px;
}

/* ============ 页尾 CTA ============ */
.cta-band{
  background:var(--brand-100);
  border-top:1px solid var(--line);
  border-bottom:1px solid var(--line);
  padding:72px 0;
}
.cta-inner{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:32px;
  flex-wrap:wrap;
}
.cta-inner h2{font-size:clamp(22px,2.4vw,30px);font-weight:700;line-height:1.35;}
.cta-inner p{color:var(--ink-600);font-size:15px;margin-top:10px;max-width:620px;}

/* ============ 页脚 ============ */
.site-footer{
  background:var(--brand-900);
  color:rgba(255,255,255,.7);
  padding:64px 0 0;
  font-size:14px;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.4fr 1fr 1fr 1.1fr;
  gap:40px;
  padding-bottom:44px;
}
.footer-brand .logo-word b{color:#fff;}
.footer-brand .logo-word i{color:#7FB4E8;}
.footer-brand .logo-badge{background:rgba(255,255,255,.14);box-shadow:none;}
.footer-brand p{margin-top:16px;line-height:1.9;color:rgba(255,255,255,.62);max-width:300px;}
.footer-col h4{
  color:#fff;
  font-size:15px;
  font-weight:600;
  margin-bottom:16px;
}
.footer-col ul{display:flex;flex-direction:column;gap:11px;}
.footer-col a{color:rgba(255,255,255,.7);transition:var(--ease);}
.footer-col a:hover{color:#fff;}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.12);
  padding:22px 0 26px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  flex-wrap:wrap;
  font-size:13px;
  color:rgba(255,255,255,.5);
}

/* ============ 响应式 ============ */
@media (min-width:1440px){
  :root{--container:1240px;}
}
@media (max-width:1199px){
  .nav-links{display:none;}
  .hamburger{display:flex;}
  .hero-inner{gap:40px;}
  .service-layout{grid-template-columns:1fr;}
  .cat-grid{grid-template-columns:repeat(2,1fr);}
  .news-grid{grid-template-columns:1fr;}
  .contact-layout{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr 1fr;}
}
@media (max-width:991px){
  .section{padding:72px 0;}
  .hero{padding:132px 0 76px;}
  .scene{grid-template-columns:1fr;gap:28px;padding:28px 0;}
  .scene.reverse .scene-media{order:0;}
  .stats-inner{grid-template-columns:repeat(2,1fr);gap:28px;}
  .stat-divider{border-left:0;padding-left:0;}
  .faq-wrap{grid-template-columns:1fr;}
  .news-sub{grid-template-columns:1fr 1fr;}
}
@media (max-width:767px){
  .container,.nav-inner{padding:0 18px;}
  .section{padding:56px 0;}
  .hero{padding:118px 0 62px;}
  .hero-inner{grid-template-columns:1fr;gap:34px;}
  .hero-visual{order:2;}
  .hero-float{left:12px;bottom:-18px;padding:12px 18px;}
  .float-num{font-size:24px;}
  .hero-actions .btn{flex:1 1 100%;}
  .section-head{flex-direction:column;align-items:flex-start;gap:16px;margin-bottom:30px;}
  .service-layout .card-lg .card-body{padding:24px;}
  .card-row{flex-direction:column;}
  .card-row .card-thumb{flex:0 0 auto;height:150px;}
  .cat-grid{grid-template-columns:1fr;}
  .news-sub{grid-template-columns:1fr;}
  .stats-inner{grid-template-columns:1fr 1fr;}
  .footer-grid{grid-template-columns:1fr;gap:30px;}
  .form-card,.info-card{padding:22px;}
  .cta-inner{flex-direction:column;align-items:flex-start;}
  .cta-inner .btn{width:100%;}
  .timeline-item{grid-template-columns:44px 1fr;gap:16px;}
  .timeline-num{width:44px;height:44px;font-size:15px;}
  .timeline-item::before{left:21px;top:44px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none !important;transition:none !important;scroll-behavior:auto !important;}
}

/* roulang page: category1 */
/* ===== 设计变量 ===== */
:root{
  --brand-900:#10294A;
  --brand-700:#1B4A85;
  --brand-500:#2E6FB8;
  --brand-100:#E3EDF8;
  --bg:#F4F8FD;
  --surface:#FFFFFF;
  --accent-500:#F08A24;
  --accent-50:#FFF4E6;
  --ink-900:#16202E;
  --ink-600:#4A5A6E;
  --ink-400:#8A97A8;
  --line:#E2E9F1;
  --ok:#2FA36B;
  --warn:#E05B4A;

  --r-s:8px;
  --r-m:12px;
  --r-l:16px;
  --r-xl:24px;
  --r-pill:999px;

  --sh1:0 1px 2px rgba(16,41,74,.04);
  --sh2:0 8px 24px rgba(16,41,74,.08);
  --sh3:0 18px 48px rgba(16,41,74,.12);

  --container:1200px;
  --pad-x:24px;
  --section-y:96px;
  --font-cn:'HarmonyOS Sans SC','PingFang SC','Microsoft YaHei','Noto Sans SC',sans-serif;
  --font-num:'Inter','Manrope','HarmonyOS Sans SC','PingFang SC',sans-serif;
}

/* ===== 基础 reset ===== */
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--font-cn);
  font-size:16px;
  line-height:1.8;
  color:var(--ink-900);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
h1,h2,h3,h4,p,ul,ol,figure,blockquote{margin:0;}
ul,ol{padding:0;list-style:none;}
a{color:inherit;text-decoration:none;}
img{max-width:100%;display:block;}
button{font-family:inherit;border:0;background:none;cursor:pointer;color:inherit;}
input,textarea,select{font-family:inherit;font-size:16px;}
svg{flex:none;}
:focus-visible{outline:3px solid rgba(46,111,184,.35);outline-offset:2px;border-radius:6px;}

/* ===== 容器 ===== */
.container{
  width:100%;
  max-width:var(--container);
  margin:0 auto;
  padding:0 var(--pad-x);
}

/* ===== 按钮 ===== */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  height:48px;
  padding:0 24px;
  border-radius:var(--r-m);
  font-size:15px;
  font-weight:600;
  letter-spacing:.02em;
  transition:background-color .18s ease,color .18s ease,transform .18s ease,box-shadow .18s ease,border-color .18s ease;
  white-space:nowrap;
}
.btn-primary{background:var(--brand-500);color:#fff;box-shadow:var(--sh1);}
.btn-primary:hover{background:var(--brand-700);transform:translateY(-1px);box-shadow:var(--sh2);}
.btn-primary:active{transform:translateY(0);background:var(--brand-900);}
.btn-ghost{background:#fff;color:var(--brand-700);border:1.5px solid var(--brand-500);}
.btn-ghost:hover{background:var(--brand-100);transform:translateY(-1px);}
.btn-accent{background:var(--accent-500);color:#fff;box-shadow:var(--sh2);}
.btn-accent:hover{background:#d97612;transform:translateY(-1px);}
.btn-sm{height:42px;padding:0 18px;font-size:14px;border-radius:var(--r-m);}

/* ===== 文字链 ===== */
.link-arrow{
  display:inline-flex;
  align-items:center;
  gap:6px;
  font-size:14px;
  font-weight:600;
  color:var(--brand-500);
  transition:color .18s ease;
}
.link-arrow svg{transition:transform .18s ease;}
.link-arrow:hover{color:var(--accent-500);}
.link-arrow:hover svg{transform:translateX(3px);}

/* ===== 徽章 ===== */
.badge{
  display:inline-flex;
  align-items:center;
  gap:6px;
  padding:4px 12px;
  border-radius:var(--r-pill);
  font-size:13px;
  font-weight:600;
  line-height:1.6;
  background:var(--brand-100);
  color:var(--brand-700);
}
.badge-soft{background:#EEF3F9;color:var(--ink-600);}
.badge-accent{background:var(--accent-50);color:#B4650E;}

/* ===== 头部导航 ===== */
.site-header{
  position:fixed;
  inset:0 0 auto 0;
  z-index:120;
  height:72px;
  display:flex;
  align-items:center;
  background:rgba(244,248,253,.55);
  -webkit-backdrop-filter:blur(16px) saturate(140%);
  backdrop-filter:blur(16px) saturate(140%);
  border-bottom:1px solid rgba(255,255,255,.55);
  box-shadow:0 6px 24px rgba(16,41,74,.06);
  transition:height .2s ease,background-color .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.site-header.is-stuck{
  height:64px;
  background:rgba(255,255,255,.94);
  border-bottom:1px solid var(--line);
  box-shadow:var(--sh2);
}
.header-inner{
  width:100%;
  max-width:var(--container);
  margin:0 auto;
  padding:0 var(--pad-x);
  display:flex;
  align-items:center;
  gap:24px;
}
.logo{
  display:inline-flex;
  align-items:center;
  gap:10px;
  flex:none;
}
.logo-badge{
  width:38px;height:38px;
  display:grid;place-items:center;
  border-radius:var(--r-m);
  background:linear-gradient(150deg,var(--brand-500),var(--brand-700));
  color:#fff;
  font-size:13px;
  font-weight:700;
  letter-spacing:.04em;
  box-shadow:var(--sh1);
}
.logo-word{
  display:inline-flex;
  align-items:baseline;
  gap:4px;
  line-height:1;
  white-space:nowrap;
}
.logo-word b{font-size:18px;font-weight:800;color:var(--brand-900);letter-spacing:.01em;}
.logo-word i{font-style:normal;font-size:12px;font-weight:600;color:var(--brand-500);letter-spacing:.06em;}

.nav-links{
  display:flex;
  align-items:center;
  gap:4px;
  margin-left:8px;
  flex:1 1 auto;
}
.nav-links a{
  position:relative;
  padding:10px 12px;
  font-size:15px;
  font-weight:500;
  color:var(--ink-600);
  border-radius:var(--r-s);
  transition:color .18s ease,background-color .18s ease;
  white-space:nowrap;
}
.nav-links a::after{
  content:"";
  position:absolute;
  left:50%;bottom:2px;
  width:0;height:2px;
  background:var(--brand-500);
  border-radius:2px;
  transform:translateX(-50%);
  transition:width .2s ease;
}
.nav-links a:hover{color:var(--brand-500);}
.nav-links a:hover::after{width:calc(100% - 24px);}
.nav-links a.active{color:var(--brand-500);font-weight:700;}
.nav-links a.active::after{width:calc(100% - 24px);background:var(--brand-500);}

.header-tools{
  display:flex;
  align-items:center;
  gap:12px;
  flex:none;
}
.search-wrap{
  display:flex;
  align-items:center;
  height:42px;
  border-radius:var(--r-pill);
  background:rgba(255,255,255,.75);
  border:1px solid var(--line);
  transition:box-shadow .18s ease,border-color .18s ease;
}
.search-wrap:hover{border-color:#CFDCEA;}
.search-toggle{
  width:42px;height:42px;
  display:grid;place-items:center;
  color:var(--ink-600);
  border-radius:var(--r-pill);
  transition:color .18s ease;
}
.search-toggle:hover{color:var(--brand-500);}
.search-field{
  width:0;
  overflow:hidden;
  transition:width .22s ease,padding .22s ease;
}
.search-field input{
  width:100%;
  height:34px;
  border:0;
  background:transparent;
  padding:0 4px;
  font-size:14px;
  color:var(--ink-900);
  outline:none;
}
.search-field input::placeholder{color:var(--ink-400);}
.search-wrap.open .search-field{width:190px;padding-right:16px;}

.hamburger{
  display:none;
  width:44px;height:44px;
  border-radius:var(--r-m);
  color:var(--brand-900);
  place-items:center;
  border:1px solid var(--line);
  background:rgba(255,255,255,.7);
}
.hamburger:hover{background:#fff;}

/* 移动端抽屉 */
.drawer-mask{
  position:fixed;inset:0;
  background:rgba(16,41,74,.4);
  opacity:0;visibility:hidden;
  transition:opacity .25s ease,visibility .25s ease;
  z-index:140;
}
.drawer-mask.open{opacity:1;visibility:visible;}
.drawer{
  position:fixed;
  top:0;right:0;
  height:100%;
  width:min(88vw,360px);
  background:rgba(255,255,255,.96);
  -webkit-backdrop-filter:blur(18px);
  backdrop-filter:blur(18px);
  box-shadow:var(--sh3);
  transform:translateX(105%);
  transition:transform .28s ease;
  z-index:150;
  display:flex;
  flex-direction:column;
  padding:24px;
  gap:8px;
  overflow-y:auto;
}
.drawer.open{transform:translateX(0);}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:12px;}
.drawer-close{
  width:44px;height:44px;border-radius:var(--r-m);
  display:grid;place-items:center;color:var(--ink-600);
  border:1px solid var(--line);
}
.drawer-close:hover{background:var(--brand-100);color:var(--brand-700);}
.drawer a.drawer-link{
  display:block;
  padding:14px 12px;
  font-size:17px;
  font-weight:600;
  color:var(--ink-900);
  border-bottom:1px solid var(--line);
  border-radius:var(--r-s);
}
.drawer a.drawer-link:hover{color:var(--brand-500);background:var(--brand-100);}
.drawer a.drawer-link.active{color:var(--brand-500);}
.drawer .btn{width:100%;margin-top:16px;}
.drawer-note{
  margin-top:20px;
  font-size:14px;
  color:var(--ink-600);
  line-height:1.8;
  background:var(--brand-100);
  border-radius:var(--r-l);
  padding:16px;
}

/* ===== Hero ===== */
.page-hero{
  position:relative;
  padding:150px 0 72px;
  background-color:var(--brand-900);
  background-image:
    linear-gradient(115deg,rgba(16,41,74,.94) 0%,rgba(27,74,133,.86) 52%,rgba(46,111,184,.72) 100%),
    url('/assets/images/backpic/back-2.webp');
  background-size:cover;
  background-position:center;
  overflow:hidden;
  color:#fff;
}
.page-hero::after{
  content:"";
  position:absolute;
  right:-120px;top:-80px;
  width:420px;height:420px;
  border-radius:50%;
  background:radial-gradient(circle,rgba(240,138,36,.26),transparent 68%);
  pointer-events:none;
}
.hero-inner{
  position:relative;
  z-index:2;
  display:grid;
  grid-template-columns:minmax(0,1.35fr) minmax(0,.85fr);
  gap:48px;
  align-items:center;
}
.breadcrumb{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:8px;
  font-size:14px;
  color:rgba(255,255,255,.75);
  margin-bottom:20px;
}
.breadcrumb a{color:rgba(255,255,255,.85);transition:color .18s ease;}
.breadcrumb a:hover{color:#fff;text-decoration:underline;}
.breadcrumb span.sep{opacity:.5;}
.breadcrumb .current{color:#fff;font-weight:600;}
.page-hero h1{
  font-size:clamp(30px,4.4vw,52px);
  line-height:1.25;
  font-weight:800;
  letter-spacing:-.01em;
  margin-bottom:18px;
}
.page-hero .hero-sub{
  font-size:18px;
  line-height:1.85;
  color:rgba(255,255,255,.87);
  max-width:640px;
}
.hero-actions{
  display:flex;
  flex-wrap:wrap;
  gap:14px;
  margin-top:32px;
}
.page-hero .btn-ghost{
  background:rgba(255,255,255,.1);
  color:#fff;
  border-color:rgba(255,255,255,.6);
}
.page-hero .btn-ghost:hover{background:rgba(255,255,255,.2);}
.hero-points{
  display:flex;
  flex-wrap:wrap;
  gap:12px 28px;
  margin-top:34px;
  padding-top:24px;
  border-top:1px solid rgba(255,255,255,.2);
}
.hero-points li{
  display:flex;
  align-items:center;
  gap:9px;
  font-size:14px;
  color:rgba(255,255,255,.9);
}
.hero-points svg{color:var(--accent-500);}

.hero-figure{
  background:rgba(255,255,255,.1);
  border:1px solid rgba(255,255,255,.24);
  border-radius:var(--r-xl);
  padding:16px;
  box-shadow:var(--sh3);
  -webkit-backdrop-filter:blur(6px);
  backdrop-filter:blur(6px);
}
.hero-figure img{
  width:100%;
  aspect-ratio:16/10;
  object-fit:cover;
  border-radius:var(--r-l);
  border:1px solid rgba(255,255,255,.24);
  background:var(--brand-100);
}
.hero-figure figcaption{
  margin-top:12px;
  font-size:13px;
  color:rgba(255,255,255,.78);
  line-height:1.7;
}

/* ===== 主体布局 ===== */
.page-body{padding:var(--section-y) 0;}
.layout{
  display:grid;
  grid-template-columns:minmax(0,1fr) 300px;
  gap:48px;
  align-items:start;
}

/* 锚点侧栏 */
.anchor-nav{
  position:sticky;
  top:96px;
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--r-l);
  box-shadow:var(--sh1);
  padding:24px;
}
.anchor-nav h2{
  font-size:15px;
  font-weight:700;
  color:var(--ink-900);
  letter-spacing:.04em;
  margin-bottom:14px;
}
.anchor-nav ul{
  display:flex;
  flex-direction:column;
  gap:2px;
  border-left:2px solid var(--line);
  padding-left:0;
}
.anchor-nav li a{
  position:relative;
  display:block;
  padding:9px 12px;
  font-size:14px;
  color:var(--ink-600);
  border-radius:0 var(--r-s) var(--r-s) 0;
  transition:color .18s ease,background-color .18s ease;
}
.anchor-nav li a::before{
  content:"";
  position:absolute;
  left:-2px;top:50%;
  width:2px;height:0;
  background:var(--brand-500);
  transform:translateY(-50%);
  transition:height .18s ease;
}
.anchor-nav li a:hover{color:var(--brand-500);background:var(--brand-100);}
.anchor-nav li a:hover::before{height:70%;}
.side-note{
  margin-top:22px;
  background:var(--accent-50);
  border:1px solid #F6DFC2;
  border-radius:var(--r-l);
  padding:18px;
  font-size:14px;
  line-height:1.8;
  color:#8A5210;
}
.side-note strong{display:block;font-size:15px;color:#7A4609;margin-bottom:6px;}
.side-note .link-arrow{margin-top:12px;color:#B4650E;}
.side-note .link-arrow:hover{color:var(--brand-700);}

/* ===== 内容板块 ===== */
.content-section{
  scroll-margin-top:110px;
  margin-bottom:64px;
}
.content-section:last-child{margin-bottom:0;}
.section-head{margin-bottom:28px;}
.section-head .badge{margin-bottom:14px;}
.content-section h2{
  font-size:clamp(24px,2.6vw,34px);
  line-height:1.3;
  font-weight:700;
  color:var(--brand-900);
  letter-spacing:-.01em;
}
.content-section h2::before{
  content:"";
  display:inline-block;
  width:6px;height:0.9em;
  background:var(--brand-500);
  border-radius:3px;
  margin-right:12px;
  vertical-align:-0.08em;
}
.section-head p{
  margin-top:14px;
  color:var(--ink-600);
  font-size:16px;
  line-height:1.85;
  max-width:760px;
}

/* 行式卡片 */
.line-list{
  display:flex;
  flex-direction:column;
  gap:14px;
}
.line-card{
  display:flex;
  gap:18px;
  padding:22px 24px;
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--r-l);
  box-shadow:var(--sh1);
  transition:box-shadow .18s ease,transform .18s ease,border-color .18s ease;
}
.line-card:hover{
  box-shadow:var(--sh2);
  transform:translateY(-2px);
  border-color:#CFDCEA;
}
.line-icon{
  width:48px;height:48px;
  flex:none;
  border-radius:var(--r-m);
  display:grid;place-items:center;
  background:var(--brand-100);
  color:var(--brand-700);
}
.line-icon.is-accent{background:var(--accent-50);color:#B4650E;}
.line-body h3{
  font-size:20px;
  line-height:1.4;
  font-weight:600;
  color:var(--ink-900);
  margin-bottom:8px;
}
.line-body p{
  color:var(--ink-600);
  font-size:15px;
  line-height:1.85;
  margin-bottom:10px;
}
.line-body p:last-child{margin-bottom:0;}

/* 图片块 */
.figure-block{
  margin:32px 0;
  border-radius:var(--r-l);
  overflow:hidden;
  border:1px solid var(--line);
  background:var(--surface);
  box-shadow:var(--sh1);
}
.figure-block img{
  width:100%;
  aspect-ratio:16/9;
  object-fit:cover;
  background:var(--brand-100);
}
.figure-block figcaption{
  padding:14px 20px;
  font-size:13px;
  color:var(--ink-400);
  line-height:1.7;
  border-top:1px solid var(--line);
}

/* 步骤条 */
.steps{
  display:flex;
  flex-direction:column;
  gap:0;
  margin-top:6px;
}
.step{
  display:grid;
  grid-template-columns:56px minmax(0,1fr);
  gap:20px;
  padding-bottom:32px;
  position:relative;
}
.step:last-child{padding-bottom:0;}
.step::before{
  content:"";
  position:absolute;
  left:27px;
  top:56px;
  bottom:0;
  width:2px;
  background:var(--line);
}
.step:last-child::before{display:none;}
.step-no{
  width:56px;height:56px;
  border-radius:50%;
  display:grid;place-items:center;
  background:var(--surface);
  border:2px solid var(--brand-100);
  color:var(--brand-700);
  font-family:var(--font-num);
  font-size:18px;
  font-weight:700;
  font-variant-numeric:tabular-nums;
  position:relative;
  z-index:1;
}
.step:hover .step-no{border-color:var(--brand-500);color:var(--brand-500);}
.step-text h3{
  font-size:18px;
  font-weight:600;
  line-height:1.5;
  margin-bottom:8px;
  color:var(--ink-900);
}
.step-text p{
  font-size:15px;
  line-height:1.85;
  color:var(--ink-600);
}

/* 对照表 */
.table-scroll{
  overflow-x:auto;
  border:1px solid var(--line);
  border-radius:var(--r-l);
  background:var(--surface);
  box-shadow:var(--sh1);
}
table{
  width:100%;
  min-width:620px;
  border-collapse:collapse;
  font-size:15px;
}
thead th{
  text-align:left;
  padding:16px 20px;
  background:#F7FAFD;
  color:var(--brand-900);
  font-weight:700;
  font-size:14px;
  letter-spacing:.03em;
  border-bottom:1px solid var(--line);
  white-space:nowrap;
}
tbody td{
  padding:16px 20px;
  border-bottom:1px solid var(--line);
  color:var(--ink-600);
  line-height:1.75;
}
tbody tr:last-child td{border-bottom:0;}
tbody tr:nth-child(even){background:#FAFCFE;}
tbody td:first-child{color:var(--ink-900);font-weight:600;}

/* ===== FAQ ===== */
.faq-section{
  margin-top:8px;
  padding-top:56px;
  border-top:1px solid var(--line);
}
.faq-list{
  display:flex;
  flex-direction:column;
  gap:12px;
}
.faq-item{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--r-l);
  box-shadow:var(--sh1);
  overflow:hidden;
  transition:box-shadow .18s ease,border-color .18s ease;
}
.faq-item:hover{box-shadow:var(--sh2);border-color:#CFDCEA;}
.faq-q{
  width:100%;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  padding:20px 24px;
  text-align:left;
  font-size:16px;
  font-weight:600;
  color:var(--ink-900);
  line-height:1.6;
  transition:color .18s ease;
}
.faq-q:hover{color:var(--brand-500);}
.faq-item.open .faq-q{color:var(--brand-500);}
.faq-mark{
  width:28px;height:28px;
  flex:none;
  border-radius:50%;
  display:grid;place-items:center;
  border:1px solid var(--line);
  color:var(--brand-500);
  font-size:16px;
  line-height:1;
  transition:transform .3s ease,background-color .18s ease,border-color .18s ease;
}
.faq-item.open .faq-mark{transform:rotate(45deg);background:var(--brand-100);border-color:var(--brand-100);}
.faq-a{
  display:grid;
  grid-template-rows:0fr;
  transition:grid-template-rows .3s ease;
}
.faq-item.open .faq-a{grid-template-rows:1fr;}
.faq-a-inner{overflow:hidden;}
.faq-a p{
  padding:0 24px 22px;
  font-size:15px;
  line-height:1.85;
  color:var(--ink-600);
}

/* ===== 相关入口 ===== */
.rel-grid{
  display:grid;
  grid-template-columns:repeat(3,minmax(0,1fr));
  gap:20px;
}
.rel-card{
  display:flex;
  flex-direction:column;
  gap:10px;
  padding:22px;
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--r-l);
  box-shadow:var(--sh1);
  transition:box-shadow .18s ease,transform .18s ease;
  height:100%;
}
.rel-card:hover{box-shadow:var(--sh2);transform:translateY(-2px);}
.rel-card h3{font-size:17px;font-weight:600;color:var(--ink-900);line-height:1.5;}
.rel-card p{font-size:14px;color:var(--ink-600);line-height:1.8;flex:1;}

/* ===== CTA 通栏 ===== */
.cta-band{
  background:var(--brand-900);
  color:#fff;
  border-radius:var(--r-xl);
  padding:56px 48px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:36px;
  position:relative;
  overflow:hidden;
  box-shadow:var(--sh3);
}
.cta-band::after{
  content:"";
  position:absolute;
  right:-60px;bottom:-90px;
  width:300px;height:300px;
  border-radius:50%;
  background:radial-gradient(circle,rgba(240,138,36,.28),transparent 70%);
}
.cta-text{position:relative;z-index:1;max-width:640px;}
.cta-text h2{
  font-size:clamp(22px,2.4vw,30px);
  line-height:1.35;
  font-weight:700;
  margin-bottom:12px;
}
.cta-text h2::before{display:none;}
.cta-text p{font-size:15px;line-height:1.85;color:rgba(255,255,255,.82);}
.cta-actions{position:relative;z-index:1;display:flex;flex-wrap:wrap;gap:14px;}
.cta-band .btn-ghost{background:transparent;color:#fff;border-color:rgba(255,255,255,.55);}
.cta-band .btn-ghost:hover{background:rgba(255,255,255,.16);}

/* ===== 页脚 ===== */
.site-footer{
  background:var(--brand-900);
  color:rgba(255,255,255,.7);
  padding:72px 0 32px;
  margin-top:96px;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.6fr 1fr 1.2fr 1.2fr;
  gap:40px;
  padding-bottom:40px;
  border-bottom:1px solid rgba(255,255,255,.14);
}
.footer-brand .logo{margin-bottom:18px;}
.footer-brand .logo-word b{color:#fff;}
.footer-brand .logo-word i{color:rgba(255,255,255,.68);}
.footer-brand .logo-badge{background:linear-gradient(150deg,var(--brand-500),var(--accent-500));}
.footer-brand p{font-size:14px;line-height:1.85;color:rgba(255,255,255,.68);max-width:340px;}
.footer-col h4{
  font-size:15px;
  font-weight:700;
  color:#fff;
  margin-bottom:18px;
  letter-spacing:.04em;
}
.footer-col ul{display:flex;flex-direction:column;gap:12px;}
.footer-col a,.footer-col span{font-size:14px;line-height:1.7;color:rgba(255,255,255,.68);transition:color .18s ease;}
.footer-col a:hover{color:#fff;}
.footer-bottom{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  justify-content:space-between;
  gap:12px;
  padding-top:26px;
  font-size:13px;
  color:rgba(255,255,255,.55);
  font-family:var(--font-cn);
}
.footer-bottom span:first-child{font-variant-numeric:tabular-nums;}

/* ===== 响应式 ===== */
@media (max-width:1439px){
  :root{--container:1200px;}
}
@media (max-width:1199px){
  .layout{grid-template-columns:minmax(0,1fr) 268px;gap:32px;}
  .nav-links a{padding:10px 9px;font-size:14px;}
  .logo-word b{font-size:17px;}
}
@media (max-width:991px){
  :root{--section-y:72px;}
  .nav-links,.search-wrap{display:none;}
  .hamburger{display:grid;}
  .header-tools{margin-left:auto;}
  .layout{grid-template-columns:minmax(0,1fr);gap:36px;}
  .anchor-nav{
    position:static;
    padding:18px;
  }
  .anchor-nav ul{
    flex-direction:row;
    flex-wrap:nowrap;
    overflow-x:auto;
    border-left:0;
    padding-bottom:6px;
    gap:8px;
    -webkit-overflow-scrolling:touch;
  }
  .anchor-nav li a{
    white-space:nowrap;
    border:1px solid var(--line);
    border-radius:var(--r-pill);
    padding:9px 16px;
  }
  .anchor-nav li a::before{display:none;}
  .hero-inner{grid-template-columns:minmax(0,1fr);gap:34px;}
  .hero-figure{order:2;}
  .rel-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
}
@media (max-width:767px){
  :root{--pad-x:18px;--section-y:56px;}
  body{font-size:16px;line-height:1.8;}
  .site-header{height:64px;}
  .logo-word b{font-size:16px;}
  .logo-word i{font-size:11px;}
  .logo-badge{width:34px;height:34px;font-size:12px;}
  .page-hero{padding:118px 0 56px;}
  .page-hero .hero-sub{font-size:16px;}
  .hero-actions .btn{width:100%;}
  .hero-points{flex-direction:column;gap:10px;}
  .content-section{margin-bottom:48px;}
  .line-card{flex-direction:column;gap:14px;padding:20px;}
  .step{grid-template-columns:44px minmax(0,1fr);gap:14px;}
  .step::before{left:21px;top:44px;}
  .step-no{width:44px;height:44px;font-size:16px;}
  .faq-q{padding:18px;font-size:15px;}
  .faq-a p{padding:0 18px 18px;}
  .rel-grid{grid-template-columns:minmax(0,1fr);}
  .cta-band{flex-direction:column;align-items:flex-start;padding:36px 24px;gap:24px;}
  .cta-actions{width:100%;}
  .cta-actions .btn{width:100%;}
  .site-footer{padding:56px 0 28px;margin-top:64px;}
  .footer-grid{grid-template-columns:minmax(0,1fr);gap:30px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{
    animation-duration:.001ms !important;
    animation-iteration-count:1 !important;
    transition-duration:.001ms !important;
    scroll-behavior:auto !important;
  }
}

/* roulang page: article */
:root{
  --brand-900:#10294A;
  --brand-700:#1B4A85;
  --brand-500:#2E6FB8;
  --brand-100:#E3EDF8;
  --bg:#F4F8FD;
  --surface:#FFFFFF;
  --accent-500:#F08A24;
  --accent-50:#FFF4E6;
  --ink-900:#16202E;
  --ink-600:#4A5A6E;
  --ink-400:#8A97A8;
  --line:#E2E9F1;
  --ok:#2FA36B;
  --warn:#E05B4A;
  --r-s:8px;
  --r-m:12px;
  --r-l:16px;
  --r-xl:24px;
  --r-pill:999px;
  --sh1:0 1px 2px rgba(16,41,74,.04);
  --sh2:0 8px 24px rgba(16,41,74,.08);
  --sh3:0 18px 48px rgba(16,41,74,.12);
  --container:1200px;
  --font-cn:'HarmonyOS Sans SC','PingFang SC','Microsoft YaHei','Noto Sans SC',system-ui,-apple-system,sans-serif;
  --font-num:'Inter','Manrope','HarmonyOS Sans SC',system-ui,sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:var(--font-cn);
  font-size:16px;
  line-height:1.8;
  color:var(--ink-900);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border-style:none}
a{color:inherit;text-decoration:none}
button{font:inherit;color:inherit;background:none;border:none;cursor:pointer}
input,textarea,select{font:inherit}
h1,h2,h3,h4,p{margin:0}
ul,ol{margin:0;padding-left:1.4em}
.num{font-family:var(--font-num);font-variant-numeric:tabular-nums}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px}
:focus-visible{outline:3px solid rgba(46,111,184,.35);outline-offset:2px;border-radius:6px}

/* ============ 顶部导航 ============ */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:60;
  height:72px;display:flex;align-items:center;
  background:rgba(244,248,253,.55);
  -webkit-backdrop-filter:blur(16px) saturate(140%);
  backdrop-filter:blur(16px) saturate(140%);
  border-bottom:1px solid rgba(255,255,255,.55);
  box-shadow:0 6px 24px rgba(16,41,74,.06);
  transition:height .2s ease,background .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.site-header.is-stuck{
  height:64px;
  background:rgba(255,255,255,.94);
  border-bottom-color:var(--line);
  box-shadow:var(--sh2);
}
.nav-inner{
  width:100%;max-width:var(--container);margin:0 auto;padding:0 24px;
  display:flex;align-items:center;gap:18px;
}
.logo{display:inline-flex;align-items:center;gap:10px;white-space:nowrap;flex-shrink:0}
.logo-badge{
  display:inline-flex;align-items:center;justify-content:center;
  width:38px;height:38px;border-radius:var(--r-m);
  background:var(--brand-500);color:#fff;font-size:14px;font-weight:700;letter-spacing:.02em;
  box-shadow:0 6px 16px rgba(46,111,184,.28);
}
.logo-word{display:inline-flex;align-items:baseline;gap:3px;line-height:1}
.logo-word b{font-size:18px;font-weight:800;color:var(--ink-900);letter-spacing:.01em}
.logo-word i{font-style:normal;font-size:12px;font-weight:600;color:var(--ink-400);letter-spacing:.06em}

.nav-links{display:flex;align-items:center;gap:2px;margin-left:6px}
.nav-links a{
  position:relative;display:inline-block;
  padding:9px 11px;font-size:14px;color:var(--ink-600);border-radius:var(--r-s);
  transition:color .18s ease;
}
.nav-links a::after{
  content:"";position:absolute;left:50%;right:50%;bottom:2px;height:2px;
  background:var(--brand-500);border-radius:2px;
  transition:left .2s ease,right .2s ease;
}
.nav-links a:hover{color:var(--brand-500)}
.nav-links a:hover::after{left:11px;right:11px}
.nav-links a.active{color:var(--brand-500);font-weight:600}
.nav-links a.active::after{left:11px;right:11px}

.nav-actions{display:flex;align-items:center;gap:10px;margin-left:auto}
.icon-btn{
  display:inline-flex;align-items:center;justify-content:center;
  width:42px;height:42px;border-radius:var(--r-m);
  color:var(--ink-600);border:1px solid transparent;
  transition:background .18s ease,color .18s ease,border-color .18s ease;
}
.icon-btn:hover{background:var(--brand-100);color:var(--brand-700)}
.search-pop{
  display:none;align-items:center;gap:8px;
  height:42px;padding:0 6px 0 14px;
  background:#fff;border:1px solid var(--line);border-radius:var(--r-m);
  box-shadow:var(--sh1);
}
.search-pop.is-open{display:flex}
.search-pop input{
  width:210px;height:100%;border:none;outline:none;background:transparent;font-size:14px;color:var(--ink-900);
}
.search-pop input::placeholder{color:var(--ink-400)}
.search-pop button{
  width:34px;height:34px;border-radius:var(--r-s);color:var(--brand-700);
  display:inline-flex;align-items:center;justify-content:center;background:var(--brand-100);
}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 22px;border-radius:var(--r-m);
  font-size:15px;font-weight:600;line-height:1;border:1.5px solid transparent;
  transition:background .18s ease,color .18s ease,transform .18s ease,box-shadow .18s ease,border-color .18s ease;
  white-space:nowrap;
}
.btn-primary{background:var(--brand-500);color:#fff}
.btn-primary:hover{background:var(--brand-700);transform:translateY(-1px);box-shadow:var(--sh2)}
.btn-ghost{background:#fff;color:var(--brand-700);border-color:var(--brand-500)}
.btn-ghost:hover{background:var(--brand-100)}
.btn-accent{background:var(--accent-500);color:#fff}
.btn-accent:hover{background:#d9781a;transform:translateY(-1px);box-shadow:var(--sh2)}
.btn-sm{height:42px;padding:0 16px;font-size:14px}
.nav-toggle{display:none;width:44px;height:44px;border-radius:var(--r-m);align-items:center;justify-content:center;color:var(--ink-900)}
.nav-toggle:hover{background:var(--brand-100)}

/* ============ 移动端抽屉 ============ */
.mobile-drawer{position:fixed;inset:0;z-index:90;display:none}
.mobile-drawer.is-open{display:block}
.drawer-mask{position:absolute;inset:0;background:rgba(16,41,74,.4);animation:fadeIn .2s ease}
.drawer-panel{
  position:absolute;top:0;right:0;width:min(370px,88vw);height:100%;
  background:rgba(255,255,255,.96);
  -webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);
  padding:22px;overflow-y:auto;box-shadow:var(--sh3);
  display:flex;flex-direction:column;gap:8px;
  animation:slideIn .24s ease;
}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:12px}
.drawer-panel a.drawer-link{
  padding:15px 14px;font-size:16px;font-weight:600;color:var(--ink-900);
  border-radius:var(--r-m);border:1px solid var(--line);background:#fff;
}
.drawer-panel a.drawer-link.active{color:var(--brand-500);border-color:rgba(46,111,184,.4);background:var(--brand-100)}
.drawer-panel .btn{width:100%;margin-top:10px}
.drawer-note{margin-top:16px;font-size:13px;line-height:1.9;color:var(--ink-400)}
@keyframes fadeIn{from{opacity:0}to{opacity:1}}
@keyframes slideIn{from{transform:translateX(24px);opacity:.4}to{transform:translateX(0);opacity:1}}

/* ============ 文章头部 ============ */
.article-hero{
  position:relative;
  padding:calc(72px + 52px) 0 46px;
  background-image:linear-gradient(180deg,rgba(244,248,253,.94) 0%,rgba(244,248,253,.86) 55%,rgba(244,248,253,.97) 100%),url('/assets/images/backpic/back-2.webp');
  background-size:cover;
  background-position:center;
  border-bottom:1px solid var(--line);
}
.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13.5px;color:var(--ink-400);margin-bottom:18px}
.breadcrumb a{color:var(--ink-600);transition:color .18s ease}
.breadcrumb a:hover{color:var(--brand-500)}
.breadcrumb .sep{color:#C6D2E0}
.breadcrumb .current{color:var(--ink-900);font-weight:600;max-width:520px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}

.article-head{max-width:900px}
.article-head h1{
  font-size:clamp(26px,3.4vw,42px);
  line-height:1.3;
  font-weight:800;
  letter-spacing:-.01em;
  color:var(--brand-900);
}
.meta-row{display:flex;flex-wrap:wrap;align-items:center;gap:12px;margin-top:20px;font-size:14px;color:var(--ink-400)}
.badge{
  display:inline-flex;align-items:center;gap:6px;
  padding:5px 12px;border-radius:var(--r-pill);
  background:var(--brand-100);color:var(--brand-700);
  font-size:13px;font-weight:600;
}
.badge-warm{background:var(--accent-50);color:#B96212}
.meta-dot{width:4px;height:4px;border-radius:50%;background:#C6D2E0}
.meta-row .num{color:var(--ink-600);font-weight:600}

/* ============ 正文布局 ============ */
.article-main{padding:56px 0 0}
.article-layout{
  display:grid;
  grid-template-columns:minmax(0,760px) 264px;
  gap:48px;
  justify-content:center;
  align-items:start;
}
.article-card{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--r-xl);
  box-shadow:var(--sh1);
  padding:40px;
}
.article-body{font-size:16px;line-height:1.9;color:var(--ink-900);word-break:break-word}
.article-body p{margin:0 0 1.2em}
.article-body h2{
  position:relative;
  font-size:24px;line-height:1.4;font-weight:700;
  margin:40px 0 16px;padding-left:14px;color:var(--brand-900);
}
.article-body h2::before{
  content:"";position:absolute;left:0;top:7px;bottom:7px;width:4px;
  border-radius:2px;background:var(--brand-500);
}
.article-body h3{font-size:20px;line-height:1.45;font-weight:600;margin:30px 0 12px;color:var(--brand-900)}
.article-body h4{font-size:17px;font-weight:600;margin:22px 0 10px}
.article-body ul,.article-body ol{margin:0 0 1.2em;padding-left:1.4em}
.article-body li{margin:.45em 0}
.article-body blockquote{
  margin:24px 0;padding:16px 20px;
  border-left:3px solid var(--accent-500);
  background:var(--accent-50);
  border-radius:var(--r-m);
  color:var(--ink-600);font-size:15.5px;
}
.article-body img{border-radius:var(--r-m);border:1px solid var(--line);margin:24px 0;height:auto}
.article-body a{color:var(--brand-500);border-bottom:1px solid rgba(46,111,184,.32);transition:color .18s ease,border-color .18s ease}
.article-body a:hover{color:var(--accent-500);border-bottom-color:var(--accent-500)}
.article-body table{width:100%;border-collapse:collapse;font-size:15px;background:#fff}
.article-body th,.article-body td{padding:12px 16px;border-bottom:1px solid var(--line);text-align:left}
.article-body th{background:var(--brand-100);color:var(--brand-900);font-weight:600;white-space:nowrap}
.article-body tbody tr:nth-child(even){background:#F8FBFF}
.article-body .table-wrap,.article-body .table-responsive{overflow-x:auto;margin:24px 0;border:1px solid var(--line);border-radius:var(--r-m)}
.article-body figure{margin:24px 0}
.article-body figcaption{font-size:13px;color:var(--ink-400);text-align:center;margin-top:8px}
.article-body hr{border:none;border-top:1px solid var(--line);margin:36px 0}

.tag-row{
  display:flex;flex-wrap:wrap;align-items:center;gap:10px;
  margin-top:36px;padding-top:24px;border-top:1px solid var(--line);
}
.tag-row .tag-label{font-size:13px;color:var(--ink-400)}
.tag{
  display:inline-flex;align-items:center;
  padding:6px 13px;border-radius:var(--r-pill);
  background:#F1F6FC;color:var(--ink-600);font-size:13px;
  border:1px solid var(--line);transition:background .18s ease,color .18s ease,border-color .18s ease;
}
.tag:hover{background:var(--brand-100);color:var(--brand-700);border-color:rgba(46,111,184,.3)}

/* 目录侧栏 */
.article-aside{position:relative}
.toc{
  position:sticky;top:88px;
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--r-l);
  box-shadow:var(--sh1);
  padding:20px 18px;
}
.toc h2{font-size:12.5px;letter-spacing:.14em;color:var(--ink-400);font-weight:700;margin-bottom:12px}
.toc nav{display:flex;flex-direction:column;gap:2px;max-height:60vh;overflow-y:auto}
.toc a{
  display:block;font-size:14px;line-height:1.6;color:var(--ink-600);
  padding:7px 10px;border-left:2px solid transparent;border-radius:0 var(--r-s) var(--r-s) 0;
  transition:color .18s ease,background .18s ease,border-color .18s ease;
}
.toc a:hover{color:var(--brand-500);background:#F4F8FD}
.toc a.active{color:var(--brand-700);font-weight:600;background:var(--brand-100);border-left-color:var(--brand-500)}
.toc-extra{margin-top:16px;padding-top:16px;border-top:1px dashed var(--line);font-size:13px;color:var(--ink-400);line-height:1.9}

/* 空态 */
.empty-state{
  text-align:center;padding:56px 24px;
  background:linear-gradient(180deg,#F7FAFE,#fff);
  border:1px dashed var(--line);border-radius:var(--r-l);
  min-height:260px;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:14px;
}
.empty-state .icon{
  width:64px;height:64px;border-radius:50%;
  display:flex;align-items:center;justify-content:center;
  background:var(--brand-100);color:var(--brand-500);font-size:24px;
}
.empty-state h2{font-size:20px;font-weight:700;color:var(--brand-900)}
.empty-state p{font-size:15px;color:var(--ink-600);max-width:440px}

/* ============ 相关推荐 ============ */
.section{padding:80px 0 0}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:28px}
.section-head h2{font-size:clamp(22px,2.4vw,30px);line-height:1.35;font-weight:700;color:var(--brand-900)}
.section-head p{margin-top:8px;font-size:15px;color:var(--ink-600)}
.text-link{display:inline-flex;align-items:center;gap:6px;color:var(--brand-500);font-size:14.5px;font-weight:600;white-space:nowrap}
.text-link i{transition:transform .18s ease}
.text-link:hover i{transform:translateX(3px)}

.related-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.card{
  display:flex;flex-direction:column;
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--r-l);
  box-shadow:var(--sh1);
  overflow:hidden;
  transition:transform .18s ease,box-shadow .18s ease,border-color .18s ease;
}
.card:hover{transform:translateY(-2px);box-shadow:var(--sh2);border-color:#D3E1F2}
.card-media{position:relative;aspect-ratio:16/10;background:linear-gradient(180deg,#EAF2FB,#DDE9F7);overflow:hidden}
.card-media img{width:100%;height:100%;object-fit:cover}
.card-body{padding:20px;display:flex;flex-direction:column;gap:10px;flex:1}
.card-body h3{font-size:17px;line-height:1.5;font-weight:700;color:var(--brand-900);transition:color .18s ease}
.card:hover .card-body h3{color:var(--brand-500)}
.card-body p{font-size:14px;line-height:1.85;color:var(--ink-600)}
.card-foot{margin-top:auto;display:flex;align-items:center;justify-content:space-between;font-size:13px;color:var(--ink-400)}
.card-foot .num{font-weight:600;color:var(--ink-600)}

/* 上下篇 / 继续浏览 */
.navpost-grid{display:grid;grid-template-columns:1fr 1fr;gap:20px}
.navpost{
  display:flex;align-items:center;gap:16px;
  padding:22px;background:var(--surface);
  border:1px solid var(--line);border-radius:var(--r-l);box-shadow:var(--sh1);
  transition:transform .18s ease,box-shadow .18s ease,border-color .18s ease;
}
.navpost:hover{transform:translateY(-2px);box-shadow:var(--sh2);border-color:#D3E1F2}
.navpost .arrow{
  width:44px;height:44px;flex-shrink:0;border-radius:var(--r-m);
  display:flex;align-items:center;justify-content:center;
  background:var(--brand-100);color:var(--brand-700);font-size:16px;
}
.navpost .np-label{font-size:12.5px;color:var(--ink-400);letter-spacing:.08em}
.navpost .np-title{font-size:15.5px;font-weight:600;color:var(--brand-900);margin-top:2px}

/* ============ CTA 通栏 ============ */
.cta-band{
  margin-top:80px;
  background:var(--brand-900);
  border-radius:var(--r-xl);
  padding:48px;
  display:grid;grid-template-columns:1.5fr auto;gap:32px;align-items:center;
  position:relative;overflow:hidden;
}
.cta-band::after{
  content:"";position:absolute;right:-80px;top:-80px;width:320px;height:320px;border-radius:50%;
  background:radial-gradient(circle,rgba(240,138,36,.28),rgba(240,138,36,0) 70%);
}
.cta-band h2{font-size:clamp(22px,2.4vw,30px);line-height:1.4;font-weight:700;color:#fff}
.cta-band p{margin-top:12px;font-size:15.5px;line-height:1.9;color:rgba(255,255,255,.72);max-width:620px}
.cta-band .cta-actions{display:flex;gap:12px;flex-wrap:wrap;position:relative;z-index:1}
.cta-band .btn-ghost-light{background:transparent;color:#fff;border-color:rgba(255,255,255,.4)}
.cta-band .btn-ghost-light:hover{background:rgba(255,255,255,.12)}

/* ============ 页脚 ============ */
.site-footer{
  margin-top:96px;padding:64px 0 0;
  background:var(--brand-900);color:rgba(255,255,255,.7);
}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:40px}
.footer-brand .logo{margin-bottom:16px}
.footer-brand .logo-word b{color:#fff}
.footer-brand .logo-word i{color:rgba(255,255,255,.55)}
.footer-brand .logo-badge{background:rgba(255,255,255,.14);color:#fff;box-shadow:none;border:1px solid rgba(255,255,255,.2)}
.footer-brand p{font-size:14px;line-height:1.95;color:rgba(255,255,255,.66);max-width:340px}
.footer-col h4{font-size:15px;font-weight:700;color:#fff;margin-bottom:16px;letter-spacing:.04em}
.footer-col ul{list-style:none;margin:0;padding:0}
.footer-col li{margin-bottom:10px;font-size:14px;line-height:1.8}
.footer-col a{color:rgba(255,255,255,.7);transition:color .18s ease}
.footer-col a:hover{color:#fff}
.footer-col span{color:rgba(255,255,255,.66)}
.footer-bottom{
  margin-top:48px;padding:20px 0;
  border-top:1px solid rgba(255,255,255,.14);
  display:flex;justify-content:space-between;gap:14px;flex-wrap:wrap;
  font-size:13px;color:rgba(255,255,255,.55);
}

/* ============ 响应式 ============ */
@media (min-width:1440px){
  :root{--container:1240px}
}
@media (max-width:1199px){
  .nav-links{display:none}
  .nav-toggle{display:inline-flex}
  .article-layout{grid-template-columns:minmax(0,760px);justify-content:center}
  .article-aside{display:none}
  .footer-grid{grid-template-columns:1.4fr 1fr 1fr}
}
@media (max-width:991px){
  .related-grid{grid-template-columns:repeat(2,1fr)}
  .cta-band{grid-template-columns:1fr;padding:38px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
}
@media (max-width:767px){
  .container{padding:0 18px}
  .nav-inner{padding:0 18px;gap:10px}
  .logo-word b{font-size:16px}
  .search-pop{display:none !important}
  .article-hero{padding:calc(64px + 40px) 0 34px}
  .article-main{padding:36px 0 0}
  .article-card{padding:24px 20px;border-radius:var(--r-l)}
  .article-body h2{font-size:21px;margin-top:32px}
  .article-body h3{font-size:18px}
  .section{padding:56px 0 0}
  .related-grid{grid-template-columns:1fr}
  .navpost-grid{grid-template-columns:1fr}
  .cta-band{margin-top:56px;padding:28px 22px;border-radius:var(--r-l)}
  .site-footer{margin-top:64px;padding-top:48px}
  .footer-grid{grid-template-columns:1fr;gap:28px}
  .footer-bottom{flex-direction:column;gap:8px}
  .breadcrumb .current{max-width:100%;white-space:normal}
}
@media (prefers-reduced-motion:reduce){
  *{animation-duration:.001ms !important;transition-duration:.001ms !important;scroll-behavior:auto !important}
}

/* roulang page: category2 */
:root{
  --brand-900:#10294A;
  --brand-700:#1B4A85;
  --brand-500:#2E6FB8;
  --brand-100:#E3EDF8;
  --bg:#F4F8FD;
  --surface:#FFFFFF;
  --accent-500:#F08A24;
  --accent-50:#FFF4E6;
  --ink-900:#16202E;
  --ink-600:#4A5A6E;
  --ink-400:#8A97A8;
  --line:#E2E9F1;
  --ok:#2FA36B;
  --warn:#E05B4A;
  --r-s:8px; --r-m:12px; --r-l:16px; --r-xl:24px; --r-pill:999px;
  --sh1:0 1px 2px rgba(16,41,74,.04);
  --sh2:0 8px 24px rgba(16,41,74,.08);
  --sh3:0 18px 48px rgba(16,41,74,.12);
  --container:1200px;
  --font-cn:'HarmonyOS Sans SC','PingFang SC','Microsoft YaHei','Noto Sans SC',system-ui,sans-serif;
  --font-num:'Inter','Manrope',ui-monospace,'SFMono-Regular',Menlo,monospace;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:var(--font-cn);
  font-size:16px;
  line-height:1.8;
  color:var(--ink-900);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border-style:none}
a{color:var(--brand-500);text-decoration:none;transition:color .18s ease}
a:hover{color:var(--accent-500)}
button{font-family:inherit;font-size:inherit;border:0;background:none;cursor:pointer;color:inherit}
input{font-family:inherit;font-size:inherit}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4{margin:0;font-weight:700;color:var(--ink-900)}
p{margin:0 0 1.1em}
p:last-child{margin-bottom:0}
:focus-visible{outline:3px solid rgba(46,111,184,.35);outline-offset:2px;border-radius:6px}
.num{font-family:var(--font-num);font-variant-numeric:tabular-nums;letter-spacing:-.01em}

.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px}
@media (min-width:1440px){:root{--container:1240px}}

/* ===== 顶部导航 ===== */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:120;
  background:rgba(244,248,253,.55);
  -webkit-backdrop-filter:blur(16px) saturate(140%);
  backdrop-filter:blur(16px) saturate(140%);
  border-bottom:1px solid rgba(255,255,255,.55);
  box-shadow:0 6px 24px rgba(16,41,74,.06);
  transition:height .2s ease, background .2s ease, box-shadow .2s ease, border-color .2s ease;
}
.site-header.is-stuck{
  background:rgba(255,255,255,.94);
  border-bottom:1px solid var(--line);
  box-shadow:var(--sh2);
}
.header-inner{display:flex;align-items:center;gap:22px;height:72px;transition:height .2s ease}
.site-header.is-stuck .header-inner{height:64px}
.logo{display:flex;align-items:center;gap:10px;flex:0 0 auto;color:var(--ink-900)}
.logo:hover{color:var(--brand-500)}
.logo-badge{
  display:grid;place-items:center;width:36px;height:36px;border-radius:10px;
  background:linear-gradient(140deg,var(--brand-700),var(--brand-500));
  color:#fff;font-size:13px;font-weight:700;letter-spacing:.5px;
  box-shadow:var(--sh1);flex:0 0 auto;
}
.logo-word{display:flex;align-items:baseline;gap:2px;white-space:nowrap;line-height:1.1}
.logo-word b{font-size:18px;font-weight:800;letter-spacing:.2px}
.logo-word i{font-style:normal;font-size:13px;font-weight:600;color:var(--ink-600);letter-spacing:.4px}
.logo:hover .logo-word i{color:var(--brand-500)}

.nav-links{display:flex;align-items:center;gap:6px;margin-left:auto;flex-wrap:nowrap}
.nav-links a{
  position:relative;padding:10px 12px;font-size:15px;color:var(--ink-600);
  border-radius:var(--r-s);white-space:nowrap;transition:color .18s ease;
}
.nav-links a::after{
  content:"";position:absolute;left:50%;right:50%;bottom:4px;height:2px;
  background:var(--brand-500);border-radius:2px;transition:left .18s ease,right .18s ease;
}
.nav-links a:hover{color:var(--brand-500)}
.nav-links a:hover::after{left:12px;right:12px}
.nav-links a.active{color:var(--brand-500);font-weight:600}
.nav-links a.active::after{left:12px;right:12px}
.header-actions{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.icon-btn{
  display:grid;place-items:center;width:40px;height:40px;border-radius:var(--r-m);
  color:var(--ink-600);border:1px solid transparent;transition:all .18s ease;
}
.icon-btn:hover{color:var(--brand-500);background:#fff;border-color:var(--line);box-shadow:var(--sh1)}
.header-search{
  max-height:0;overflow:hidden;transition:max-height .22s ease;
  border-top:1px solid transparent;
}
.header-search.open{max-height:96px;border-top-color:var(--line)}
.header-search .container{padding-top:14px;padding-bottom:16px}
.search-field{display:flex;gap:10px;align-items:center}
.search-field input{
  flex:1;height:48px;padding:0 16px;border-radius:var(--r-m);
  border:1px solid var(--line);background:#fff;color:var(--ink-900);outline:none;
  transition:border-color .18s ease, box-shadow .18s ease;
}
.search-field input::placeholder{color:var(--ink-400)}
.search-field input:focus{border-color:var(--brand-500);box-shadow:0 0 0 3px rgba(46,111,184,.35)}

.nav-toggle{
  display:none;width:44px;height:44px;border-radius:var(--r-m);
  align-items:center;justify-content:center;flex-direction:column;gap:5px;
}
.nav-toggle span{display:block;width:20px;height:2px;background:var(--ink-900);border-radius:2px;transition:transform .2s ease,opacity .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)}

.mobile-drawer{
  position:fixed;inset:0;z-index:110;background:rgba(255,255,255,.97);
  -webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);
  padding:96px 24px 32px;display:flex;flex-direction:column;gap:6px;
  transform:translateY(-8px);opacity:0;pointer-events:none;transition:opacity .2s ease,transform .2s ease;
}
.mobile-drawer.open{opacity:1;transform:translateY(0);pointer-events:auto}
.mobile-drawer a{
  padding:16px 14px;font-size:17px;font-weight:600;color:var(--ink-900);
  border-bottom:1px solid var(--line);border-radius:var(--r-s);
}
.mobile-drawer a.active{color:var(--brand-500)}
.mobile-drawer .drawer-cta{margin-top:18px}
.drawer-mask{position:fixed;inset:0;background:rgba(16,41,74,.4);z-index:105;opacity:0;pointer-events:none;transition:opacity .2s ease}
.drawer-mask.open{opacity:1;pointer-events:auto}

/* ===== 按钮 ===== */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 22px;border-radius:var(--r-m);
  font-size:15px;font-weight:600;line-height:1;white-space:nowrap;
  transition:transform .18s ease, box-shadow .18s ease, background .18s ease, color .18s ease, border-color .18s ease;
}
.btn-primary{background:var(--brand-500);color:#fff;box-shadow:var(--sh1)}
.btn-primary:hover{background:var(--brand-700);color:#fff;transform:translateY(-1px);box-shadow:var(--sh2)}
.btn-outline{background:#fff;color:var(--brand-500);border:1.5px solid var(--brand-500)}
.btn-outline:hover{background:var(--brand-100);color:var(--brand-700);transform:translateY(-1px)}
.btn-accent{background:var(--accent-500);color:#fff;box-shadow:var(--sh1)}
.btn-accent:hover{background:#d9761a;color:#fff;transform:translateY(-1px);box-shadow:var(--sh2)}
.btn-sm{height:40px;padding:0 16px;font-size:14px}
.text-link{display:inline-flex;align-items:center;gap:6px;font-size:15px;font-weight:600;color:var(--brand-500)}
.text-link .arrow{transition:transform .18s ease}
.text-link:hover .arrow{transform:translateX(3px)}

/* ===== Hero ===== */
.page-hero{
  position:relative;overflow:hidden;
  padding:150px 0 84px;
  background:
    radial-gradient(circle at 12% 22%, rgba(46,111,184,.10), transparent 46%),
    radial-gradient(circle at 88% 8%, rgba(240,138,36,.10), transparent 42%),
    var(--bg);
}
.page-hero::before{
  content:"";position:absolute;inset:0;pointer-events:none;opacity:.5;
  background-image:radial-gradient(rgba(27,74,133,.16) 1px, transparent 1px);
  background-size:22px 22px;
  -webkit-mask-image:linear-gradient(to bottom, rgba(0,0,0,.7), transparent 78%);
  mask-image:linear-gradient(to bottom, rgba(0,0,0,.7), transparent 78%);
}
.hero-grid{position:relative;display:grid;grid-template-columns:minmax(0,1.08fr) minmax(0,.92fr);gap:48px;align-items:center}
.breadcrumb{display:flex;align-items:center;gap:8px;font-size:14px;color:var(--ink-400);margin-bottom:18px;flex-wrap:wrap}
.breadcrumb a{color:var(--ink-600)}
.breadcrumb a:hover{color:var(--brand-500)}
.breadcrumb .sep{color:var(--ink-400)}
.breadcrumb .current{color:var(--ink-900);font-weight:600}
.page-hero h1{
  font-size:clamp(30px,4.4vw,52px);line-height:1.25;font-weight:800;letter-spacing:-.5px;
  margin-bottom:18px;
}
.page-hero h1 em{font-style:normal;color:var(--brand-500)}
.hero-lead{font-size:17px;line-height:1.85;color:var(--ink-600);max-width:600px;margin-bottom:26px}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-bottom:26px}
.trust-row{display:flex;flex-wrap:wrap;gap:20px}
.trust-item{display:flex;align-items:center;gap:8px;font-size:14px;color:var(--ink-600)}
.trust-item svg{flex:0 0 auto;color:var(--ok)}
.hero-visual{position:relative}
.hero-card{
  position:relative;border-radius:var(--r-xl);overflow:hidden;background:#fff;
  border:1px solid var(--line);box-shadow:var(--sh3);
}
.hero-card img{width:100%;aspect-ratio:16/10;object-fit:cover}
.hero-float{
  position:absolute;left:-18px;bottom:-22px;display:flex;align-items:center;gap:12px;
  background:#fff;border:1px solid var(--line);border-radius:var(--r-l);
  padding:14px 18px;box-shadow:var(--sh2);
}
.hero-float .pulse{
  width:10px;height:10px;border-radius:50%;background:var(--ok);position:relative;flex:0 0 auto;
}
.hero-float .pulse::after{
  content:"";position:absolute;inset:-6px;border-radius:50%;border:2px solid rgba(47,163,107,.35);
  animation:pulse 2.2s ease-out infinite;
}
@keyframes pulse{0%{transform:scale(.7);opacity:.9}100%{transform:scale(1.25);opacity:0}}
.hero-float b{display:block;font-size:14px;color:var(--ink-900);line-height:1.4}
.hero-float span{font-size:13px;color:var(--ink-400)}

/* ===== 通用板块 ===== */
.section{padding:96px 0}
.section-tight{padding:64px 0}
.section-alt{background:#fff;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.section-head{max-width:760px;margin-bottom:44px}
.section-head.center{margin-left:auto;margin-right:auto;text-align:center}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:700;letter-spacing:1px;
  color:var(--brand-700);background:var(--brand-100);border-radius:var(--r-pill);
  padding:6px 14px;margin-bottom:16px;
}
.section-head h2{font-size:clamp(24px,2.6vw,34px);line-height:1.3;margin-bottom:14px}
.section-head p{color:var(--ink-600);font-size:16px}

/* ===== 状态条 ===== */
.status-band{background:var(--brand-900);color:#fff;padding:26px 0}
.status-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.status-item{display:flex;align-items:flex-start;gap:12px}
.status-item .dot{width:9px;height:9px;border-radius:50%;background:var(--ok);margin-top:9px;flex:0 0 auto}
.status-item .dot.amber{background:var(--accent-500)}
.status-item .dot.blue{background:#6FA8DC}
.status-item b{display:block;font-size:15px;color:#fff;font-weight:600;margin-bottom:2px}
.status-item span{font-size:13px;color:rgba(255,255,255,.7);line-height:1.7}

/* ===== 时间轴步骤 ===== */
.timeline{margin-top:8px}
.tl-item{position:relative;padding-left:92px;padding-bottom:38px}
.tl-item:last-child{padding-bottom:0}
.tl-item::before{
  content:"";position:absolute;left:27px;top:64px;bottom:-6px;width:2px;
  background:linear-gradient(to bottom,var(--brand-100),rgba(226,233,241,.35));
}
.tl-item:last-child::before{display:none}
.tl-marker{
  position:absolute;left:0;top:0;width:56px;height:56px;border-radius:50%;
  display:grid;place-items:center;background:var(--brand-100);color:var(--brand-700);
  font-family:var(--font-num);font-size:17px;font-weight:800;letter-spacing:.5px;
  border:1px solid #d3e3f6;
}
.tl-body{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-l);
  padding:24px 26px;box-shadow:var(--sh1);transition:box-shadow .18s ease, transform .18s ease, border-color .18s ease;
}
.tl-body:hover{box-shadow:var(--sh2);transform:translateY(-2px);border-color:#d3e3f6}
.tl-body h3{font-size:20px;line-height:1.4;margin-bottom:10px}
.tl-body p{color:var(--ink-600);font-size:15.5px}
.tl-points{display:flex;flex-wrap:wrap;gap:8px;margin-top:14px}
.tl-points li{
  font-size:13px;color:var(--brand-700);background:var(--brand-100);
  border-radius:var(--r-pill);padding:5px 12px;
}

/* ===== 双卡对照 ===== */
.req-grid{display:grid;grid-template-columns:1fr 1fr;gap:24px}
.req-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-l);
  padding:28px;box-shadow:var(--sh1);display:flex;flex-direction:column;
  transition:box-shadow .18s ease, transform .18s ease;
}
.req-card:hover{box-shadow:var(--sh2);transform:translateY(-2px)}
.req-card-head{display:flex;align-items:center;gap:12px;margin-bottom:20px}
.req-icon{
  width:44px;height:44px;border-radius:var(--r-m);display:grid;place-items:center;
  background:var(--brand-100);color:var(--brand-700);flex:0 0 auto;
}
.req-card-head h3{font-size:19px;line-height:1.3}
.req-card-head span{display:block;font-size:13px;color:var(--ink-400);font-weight:400;margin-top:2px}
.req-list li{
  display:flex;justify-content:space-between;gap:16px;padding:12px 0;
  border-bottom:1px dashed var(--line);font-size:15px;
}
.req-list li:last-child{border-bottom:0}
.req-list .k{color:var(--ink-600)}
.req-list .v{color:var(--ink-900);font-weight:600;text-align:right}
.req-note{
  margin-top:18px;background:var(--brand-100);color:var(--brand-700);
  border-radius:var(--r-m);padding:14px 16px;font-size:14px;line-height:1.75;
}

/* ===== 表格 ===== */
.table-wrap{overflow-x:auto;border:1px solid var(--line);border-radius:var(--r-l);background:#fff;box-shadow:var(--sh1)}
table{border-collapse:collapse;width:100%;min-width:680px}
thead th{
  background:var(--brand-100);color:var(--brand-700);font-size:14px;font-weight:700;
  text-align:left;padding:16px 20px;white-space:nowrap;
}
tbody td{padding:16px 20px;font-size:15px;color:var(--ink-600);border-top:1px solid var(--line);vertical-align:top;line-height:1.75}
tbody tr:nth-child(even){background:#FAFCFE}
tbody td:first-child{color:var(--ink-900);font-weight:600}
.tag{
  display:inline-block;font-size:12.5px;font-weight:600;padding:4px 10px;border-radius:var(--r-pill);
  background:var(--brand-100);color:var(--brand-700);white-space:nowrap;
}
.tag.warn{background:#FDEDEA;color:var(--warn)}
.tag.ok{background:#E8F6EF;color:var(--ok)}

/* ===== 自查清单 ===== */
.check-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:16px}
.check-item{
  display:flex;gap:14px;background:#fff;border:1px solid var(--line);
  border-radius:var(--r-l);padding:20px 22px;box-shadow:var(--sh1);
  transition:box-shadow .18s ease, transform .18s ease;
}
.check-item:hover{box-shadow:var(--sh2);transform:translateY(-2px)}
.check-item .mark{
  width:26px;height:26px;border-radius:50%;background:#E8F6EF;color:var(--ok);
  display:grid;place-items:center;flex:0 0 auto;margin-top:3px;
}
.check-item b{display:block;font-size:16px;margin-bottom:6px}
.check-item p{font-size:14.5px;color:var(--ink-600);line-height:1.75}

/* ===== FAQ ===== */
.faq-list{display:grid;gap:14px;max-width:900px}
.faq-item{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-m);
  box-shadow:var(--sh1);overflow:hidden;transition:border-color .18s ease, box-shadow .18s ease;
}
.faq-item[open]{border-color:#d3e3f6;box-shadow:var(--sh2)}
.faq-item summary{
  list-style:none;cursor:pointer;display:flex;align-items:center;justify-content:space-between;
  gap:16px;padding:18px 22px;font-size:16px;font-weight:600;color:var(--ink-900);
  transition:color .18s ease;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary:hover{color:var(--brand-500)}
.faq-item[open] summary{color:var(--brand-500)}
.faq-item .sign{
  position:relative;width:26px;height:26px;border-radius:50%;border:1px solid var(--line);
  flex:0 0 auto;background:#fff;transition:border-color .18s ease, background .18s ease;
}
.faq-item .sign::before,.faq-item .sign::after{
  content:"";position:absolute;left:50%;top:50%;background:var(--brand-500);border-radius:2px;
  transform:translate(-50%,-50%);transition:transform .25s ease, opacity .25s ease;
}
.faq-item .sign::before{width:12px;height:2px}
.faq-item .sign::after{width:2px;height:12px}
.faq-item[open] .sign::after{transform:translate(-50%,-50%) scaleY(0);opacity:0}
.faq-answer{padding:0 22px 20px;font-size:15px;line-height:1.85;color:var(--ink-600)}
.faq-answer p{margin:0}

/* ===== CTA 通栏 ===== */
.cta-band{
  background:linear-gradient(120deg,var(--brand-900),#16406f 65%,#1d4f86);
  border-radius:var(--r-xl);padding:52px 48px;color:#fff;
  display:flex;align-items:center;justify-content:space-between;gap:32px;flex-wrap:wrap;
  box-shadow:var(--sh3);
}
.cta-band h2{color:#fff;font-size:clamp(22px,2.4vw,30px);line-height:1.35;margin-bottom:10px}
.cta-band p{color:rgba(255,255,255,.75);font-size:15.5px;max-width:620px}
.cta-actions{display:flex;gap:12px;flex-wrap:wrap}
.cta-actions .btn-outline{background:transparent;color:#fff;border-color:rgba(255,255,255,.6)}
.cta-actions .btn-outline:hover{background:rgba(255,255,255,.12);color:#fff}

/* ===== 页脚 ===== */
.site-footer{background:var(--brand-900);color:rgba(255,255,255,.7);padding:64px 0 28px;margin-top:96px}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:40px}
.footer-brand .logo{color:#fff;margin-bottom:16px}
.footer-brand .logo:hover{color:#fff}
.footer-brand .logo-word b{color:#fff}
.footer-brand .logo-word i{color:rgba(255,255,255,.7)}
.footer-brand .logo-badge{background:linear-gradient(140deg,var(--brand-500),var(--accent-500))}
.footer-brand p{font-size:14.5px;line-height:1.85;color:rgba(255,255,255,.7);max-width:360px}
.footer-col h4{color:#fff;font-size:15px;font-weight:700;margin-bottom:16px}
.footer-col ul{display:grid;gap:10px}
.footer-col a,.footer-col span{font-size:14.5px;color:rgba(255,255,255,.7)}
.footer-col a:hover{color:var(--accent-500)}
.footer-bottom{
  margin-top:48px;padding-top:22px;border-top:1px solid rgba(255,255,255,.14);
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13px;color:rgba(255,255,255,.55);
}

/* ===== 响应式 ===== */
@media (max-width:1199px){
  .nav-links a{padding:10px 8px;font-size:14px}
  .hero-grid{gap:36px}
}
@media (max-width:991px){
  .nav-links{display:none}
  .nav-toggle{display:flex}
  .header-actions .btn-sm{display:none}
  .hero-grid{grid-template-columns:1fr;gap:44px}
  .hero-visual{order:2}
  .hero-float{left:12px;bottom:-20px}
  .page-hero{padding:130px 0 64px}
  .section{padding:72px 0}
  .req-grid{grid-template-columns:1fr}
  .status-grid{grid-template-columns:1fr;gap:14px}
  .check-grid{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  .cta-band{padding:40px 28px}
}
@media (max-width:767px){
  .container{padding:0 18px}
  body{font-size:15.5px}
  .logo-word b{font-size:16px}
  .logo-word i{font-size:12px}
  .page-hero{padding:118px 0 52px}
  .hero-lead{font-size:16px}
  .section{padding:56px 0}
  .section-head{margin-bottom:32px}
  .tl-item{padding-left:0;padding-bottom:22px}
  .tl-item::before{display:none}
  .tl-marker{position:static;width:48px;height:48px;font-size:15px;margin-bottom:14px}
  .tl-body{padding:20px}
  .req-card{padding:22px}
  .cta-band{padding:32px 22px;border-radius:var(--r-l)}
  .footer-grid{grid-template-columns:1fr;gap:28px}
  .footer-bottom{flex-direction:column;gap:8px}
  .hero-float{position:static;margin-top:16px;left:auto;bottom:auto}
  .faq-item summary{padding:16px 18px;font-size:15.5px}
  .faq-answer{padding:0 18px 18px}
  .check-item{padding:18px}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.001ms !important;animation-iteration-count:1 !important;transition-duration:.001ms !important}
  html{scroll-behavior:auto}
}

/* roulang page: category3 */
/* ============ 设计变量 ============ */
:root{
  --brand-900:#10294A;
  --brand-700:#1B4A85;
  --brand-500:#2E6FB8;
  --brand-100:#E3EDF8;
  --bg:#F4F8FD;
  --surface:#FFFFFF;
  --accent-500:#F08A24;
  --accent-50:#FFF4E6;
  --ink-900:#16202E;
  --ink-600:#4A5A6E;
  --ink-400:#8A97A8;
  --line:#E2E9F1;
  --ok:#2FA36B;
  --warn:#E05B4A;
  --sh1:0 1px 2px rgba(16,41,74,.04);
  --sh2:0 8px 24px rgba(16,41,74,.08);
  --sh3:0 18px 48px rgba(16,41,74,.12);
  --r-sm:8px;
  --r-md:12px;
  --r-lg:16px;
  --r-xl:24px;
  --r-pill:999px;
  --container:1200px;
  --font-cn:'HarmonyOS Sans SC','PingFang SC','Microsoft YaHei','Noto Sans SC',sans-serif;
  --font-num:'Inter','Manrope','HarmonyOS Sans SC',sans-serif;
}

/* ============ 基础 reset ============ */
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--font-cn);
  font-size:16px;
  line-height:1.8;
  color:var(--ink-900);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border-style:none;}
a{color:inherit;text-decoration:none;transition:color .18s ease;}
h1,h2,h3,h4,p,ul,ol,figure{margin:0;}
ul,ol{padding-left:0;list-style:none;}
button,input,select,textarea{font:inherit;color:inherit;}
button{background:none;border:0;cursor:pointer;}
:focus-visible{outline:3px solid rgba(46,111,184,.35);outline-offset:2px;border-radius:6px;}
.mono{font-family:var(--font-num);font-variant-numeric:tabular-nums;letter-spacing:.01em;}

/* ============ 容器 ============ */
.container{
  width:100%;
  max-width:var(--container);
  margin:0 auto;
  padding:0 24px;
}
@media (min-width:1440px){
  :root{--container:1240px;}
}

/* ============ 导航 ============ */
.site-header{
  position:fixed;
  top:0;left:0;right:0;
  z-index:80;
  height:72px;
  background:rgba(244,248,253,.55);
  -webkit-backdrop-filter:blur(16px) saturate(140%);
  backdrop-filter:blur(16px) saturate(140%);
  border-bottom:1px solid rgba(255,255,255,.55);
  box-shadow:0 6px 24px rgba(16,41,74,.06);
  transition:height .2s ease,background .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.site-header.is-stuck{
  height:64px;
  background:rgba(255,255,255,.94);
  border-bottom-color:var(--line);
  box-shadow:var(--sh2);
}
.header-inner{
  height:100%;
  display:flex;
  align-items:center;
  gap:20px;
  position:relative;
}
.logo{
  display:inline-flex;
  align-items:center;
  gap:10px;
  flex-shrink:0;
  white-space:nowrap;
}
.logo-badge{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  width:38px;height:38px;
  border-radius:12px;
  background:linear-gradient(140deg,var(--brand-700),var(--brand-500));
  color:#fff;
  font-size:13px;
  font-weight:700;
  letter-spacing:.04em;
  box-shadow:var(--sh1);
}
.logo-word{display:inline-flex;align-items:baseline;gap:4px;}
.logo-word b{font-size:17px;font-weight:800;color:var(--ink-900);letter-spacing:.01em;}
.logo-word i{font-style:normal;font-size:13px;font-weight:600;color:var(--brand-500);}

.nav-links{
  display:flex;
  align-items:center;
  gap:6px;
  flex:1;
  justify-content:center;
}
.nav-links a{
  position:relative;
  display:inline-block;
  padding:10px 12px;
  font-size:15px;
  font-weight:500;
  color:var(--ink-600);
  border-radius:10px;
  white-space:nowrap;
}
.nav-links a::after{
  content:"";
  position:absolute;
  left:50%;right:50%;
  bottom:4px;
  height:2px;
  border-radius:2px;
  background:var(--brand-500);
  transition:left .2s ease,right .2s ease;
}
.nav-links a:hover{color:var(--brand-500);}
.nav-links a:hover::after{left:12px;right:12px;}
.nav-links a.active{
  color:var(--brand-500);
  font-weight:700;
}
.nav-links a.active::after{left:12px;right:12px;}

.nav-actions{display:flex;align-items:center;gap:12px;flex-shrink:0;}
.icon-btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  width:42px;height:42px;
  border-radius:12px;
  border:1px solid var(--line);
  background:rgba(255,255,255,.7);
  color:var(--ink-600);
  transition:background .18s ease,color .18s ease,border-color .18s ease,transform .18s ease;
}
.icon-btn:hover{background:#fff;color:var(--brand-500);border-color:var(--brand-100);transform:translateY(-1px);}
.menu-toggle{display:none;}
.menu-toggle .bars{display:block;width:18px;height:2px;background:currentColor;border-radius:2px;position:relative;}
.menu-toggle .bars::before,
.menu-toggle .bars::after{
  content:"";position:absolute;left:0;width:18px;height:2px;background:currentColor;border-radius:2px;
}
.menu-toggle .bars::before{top:-6px;}
.menu-toggle .bars::after{top:6px;}

.search-bar{
  position:absolute;
  top:calc(100% + 8px);
  left:0;right:0;
  display:none;
  gap:10px;
  padding:12px;
  background:rgba(255,255,255,.98);
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  box-shadow:var(--sh3);
}
.search-bar.is-open{display:flex;}
.search-bar input{
  flex:1;
  height:46px;
  padding:0 16px;
  border:1px solid var(--line);
  border-radius:var(--r-md);
  background:#fff;
  font-size:15px;
  outline:none;
  transition:border-color .18s ease,box-shadow .18s ease;
}
.search-bar input:focus{border-color:var(--brand-500);box-shadow:0 0 0 3px rgba(46,111,184,.16);}

.mobile-drawer{
  position:fixed;
  inset:0;
  z-index:90;
  display:none;
}
.mobile-drawer.is-open{display:block;}
.drawer-mask{
  position:absolute;inset:0;
  background:rgba(16,41,74,.4);
  -webkit-backdrop-filter:blur(2px);
  backdrop-filter:blur(2px);
}
.drawer-panel{
  position:absolute;
  top:0;right:0;
  width:min(88vw,360px);
  height:100%;
  padding:24px;
  background:rgba(255,255,255,.97);
  -webkit-backdrop-filter:blur(16px);
  backdrop-filter:blur(16px);
  box-shadow:var(--sh3);
  display:flex;
  flex-direction:column;
  gap:8px;
  overflow-y:auto;
}
.drawer-close{
  align-self:flex-end;
  width:42px;height:42px;
  border-radius:12px;
  border:1px solid var(--line);
  display:inline-flex;align-items:center;justify-content:center;
  color:var(--ink-600);
  margin-bottom:8px;
}
.drawer-panel a.drawer-link{
  display:block;
  padding:16px 14px;
  font-size:17px;
  font-weight:600;
  color:var(--ink-900);
  border-radius:var(--r-md);
  border:1px solid transparent;
}
.drawer-panel a.drawer-link:hover{background:var(--brand-100);color:var(--brand-700);}
.drawer-panel a.drawer-link.active{background:var(--brand-100);color:var(--brand-700);border-color:#cfe0f4;}
.drawer-note{
  margin-top:auto;
  padding:16px;
  border-radius:var(--r-md);
  background:var(--accent-50);
  color:#8a5a1c;
  font-size:13px;
  line-height:1.7;
}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  height:48px;
  padding:0 22px;
  border-radius:var(--r-md);
  font-size:15px;
  font-weight:700;
  white-space:nowrap;
  border:1.5px solid transparent;
  transition:background .18s ease,color .18s ease,border-color .18s ease,box-shadow .18s ease,transform .18s ease;
}
.btn-primary{background:var(--brand-500);color:#fff;box-shadow:var(--sh1);}
.btn-primary:hover{background:var(--brand-700);transform:translateY(-1px);box-shadow:var(--sh2);}
.btn-ghost{background:#fff;color:var(--brand-700);border-color:var(--brand-500);}
.btn-ghost:hover{background:var(--brand-100);transform:translateY(-1px);}
.btn-accent{background:var(--accent-500);color:#fff;}
.btn-accent:hover{background:#d97a15;transform:translateY(-1px);box-shadow:var(--sh2);}
.btn-sm{height:40px;padding:0 16px;font-size:14px;border-radius:10px;}

.text-link{
  display:inline-flex;
  align-items:center;
  gap:6px;
  font-size:14px;
  font-weight:600;
  color:var(--brand-500);
}
.text-link::after{
  content:"→";
  display:inline-block;
  transition:transform .18s ease;
}
.text-link:hover{color:var(--accent-500);}
.text-link:hover::after{transform:translateX(3px);}

/* ============ 徽章 ============ */
.badge{
  display:inline-flex;
  align-items:center;
  gap:6px;
  height:26px;
  padding:0 12px;
  border-radius:var(--r-pill);
  font-size:12px;
  font-weight:700;
  letter-spacing:.02em;
  background:var(--brand-100);
  color:var(--brand-700);
  white-space:nowrap;
}
.badge-accent{background:var(--accent-50);color:#a9651a;}
.badge-ok{background:#E7F6EE;color:#1F7C50;}
.badge-muted{background:#EEF2F7;color:var(--ink-600);}

/* ============ Hero ============ */
.hero{
  position:relative;
  padding:142px 0 64px;
  overflow:hidden;
  background:
    linear-gradient(180deg,rgba(244,248,253,.93) 0%,rgba(244,248,253,.88) 58%,#F4F8FD 100%),
    url("/assets/images/backpic/back-2.webp") center/cover no-repeat;
  border-bottom:1px solid var(--line);
}
.hero::after{
  content:"";
  position:absolute;
  inset:0;
  background-image:radial-gradient(rgba(46,111,184,.13) 1px,transparent 1px);
  background-size:22px 22px;
  opacity:.55;
  pointer-events:none;
}
.hero .container{position:relative;z-index:2;}
.breadcrumb{
  display:flex;
  align-items:center;
  gap:8px;
  font-size:13.5px;
  color:var(--ink-400);
  margin-bottom:20px;
  flex-wrap:wrap;
}
.breadcrumb a{color:var(--ink-600);}
.breadcrumb a:hover{color:var(--brand-500);}
.breadcrumb .sep{color:#C3CDDA;}
.breadcrumb .current{color:var(--brand-700);font-weight:600;}

.hero-grid{
  display:grid;
  grid-template-columns:1.15fr .85fr;
  gap:48px;
  align-items:center;
}
.hero h1{
  font-size:clamp(30px,4.4vw,52px);
  line-height:1.25;
  font-weight:800;
  letter-spacing:-.01em;
  color:var(--brand-900);
}
.hero h1 em{
  font-style:normal;
  color:var(--brand-500);
  position:relative;
}
.hero-sub{
  margin-top:20px;
  font-size:17px;
  line-height:1.85;
  color:var(--ink-600);
  max-width:560px;
}
.hero-actions{
  margin-top:32px;
  display:flex;
  gap:14px;
  flex-wrap:wrap;
}
.hero-points{
  margin-top:34px;
  display:flex;
  gap:28px;
  flex-wrap:wrap;
}
.hero-point{
  display:flex;
  align-items:center;
  gap:10px;
  font-size:14px;
  color:var(--ink-600);
  font-weight:500;
}
.hero-point .dot{
  width:9px;height:9px;
  border-radius:50%;
  background:var(--brand-500);
  box-shadow:0 0 0 4px rgba(46,111,184,.15);
}
.hero-point.orange .dot{background:var(--accent-500);box-shadow:0 0 0 4px rgba(240,138,36,.16);}
.hero-point.green .dot{background:var(--ok);box-shadow:0 0 0 4px rgba(47,163,107,.15);}

.hero-media{
  position:relative;
  border-radius:var(--r-xl);
  overflow:hidden;
  border:1px solid var(--line);
  box-shadow:var(--sh3);
  aspect-ratio:16/10;
  background:var(--brand-100);
}
.hero-media img{width:100%;height:100%;object-fit:cover;}

.hero-float{
  position:absolute;
  left:-18px;
  bottom:-22px;
  min-width:210px;
  padding:16px 18px;
  border-radius:var(--r-lg);
  background:rgba(255,255,255,.96);
  border:1px solid var(--line);
  box-shadow:var(--sh3);
}
.hero-float .num{
  font-family:var(--font-num);
  font-size:26px;
  font-weight:800;
  color:var(--brand-700);
  font-variant-numeric:tabular-nums;
}
.hero-float .lab{font-size:13px;color:var(--ink-400);margin-top:2px;}

/* 实时状态条 */
.status-band{
  margin-top:44px;
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:14px;
  padding:16px;
  border-radius:var(--r-lg);
  background:rgba(255,255,255,.82);
  border:1px solid var(--line);
  box-shadow:var(--sh1);
}
.status-item{
  display:flex;
  align-items:center;
  gap:12px;
  padding:8px 12px;
  border-radius:var(--r-md);
}
.status-pulse{
  flex-shrink:0;
  width:10px;height:10px;
  border-radius:50%;
  background:var(--ok);
  position:relative;
}
.status-pulse::after{
  content:"";
  position:absolute;inset:-5px;
  border-radius:50%;
  border:2px solid rgba(47,163,107,.35);
  animation:pulse 2s ease-out infinite;
}
.status-item.warm .status-pulse{background:var(--accent-500);}
.status-item.warm .status-pulse::after{border-color:rgba(240,138,36,.35);}
@keyframes pulse{
  0%{transform:scale(.7);opacity:1;}
  100%{transform:scale(1.5);opacity:0;}
}
.status-text{font-size:14px;color:var(--ink-600);line-height:1.5;}
.status-text b{display:block;color:var(--ink-900);font-weight:700;font-size:14.5px;}

/* ============ 板块 ============ */
.section{padding:96px 0 0;}
.section-head{
  display:flex;
  align-items:flex-end;
  justify-content:space-between;
  gap:24px;
  margin-bottom:36px;
  flex-wrap:wrap;
}
.section-head h2{
  font-size:clamp(24px,2.6vw,34px);
  line-height:1.3;
  font-weight:700;
  color:var(--brand-900);
}
.section-head p{
  margin-top:10px;
  font-size:15px;
  color:var(--ink-600);
  max-width:640px;
}
.eyebrow{
  display:inline-flex;
  align-items:center;
  gap:8px;
  margin-bottom:12px;
  font-size:13px;
  font-weight:700;
  letter-spacing:.08em;
  color:var(--brand-500);
  text-transform:uppercase;
}
.eyebrow::before{
  content:"";
  width:22px;height:2px;
  border-radius:2px;
  background:var(--brand-500);
}

/* ============ 横向滚动轨道 ============ */
.rail{position:relative;}
.rail-track{
  display:flex;
  gap:24px;
  overflow-x:auto;
  padding:6px 6px 22px;
  scroll-snap-type:x mandatory;
  scrollbar-width:thin;
  scrollbar-color:#C8D6E6 transparent;
}
.rail-track::-webkit-scrollbar{height:8px;}
.rail-track::-webkit-scrollbar-thumb{background:#C8D6E6;border-radius:99px;}
.rail-track::-webkit-scrollbar-track{background:transparent;}
.ev-card{
  flex:0 0 330px;
  scroll-snap-align:start;
  display:flex;
  flex-direction:column;
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  box-shadow:var(--sh1);
  overflow:hidden;
  transition:box-shadow .18s ease,transform .18s ease;
}
.ev-card:hover{box-shadow:var(--sh2);transform:translateY(-2px);}
.ev-thumb{
  aspect-ratio:16/10;
  background:var(--brand-100);
  overflow:hidden;
  border-bottom:1px solid var(--line);
}
.ev-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .3s ease;}
.ev-card:hover .ev-thumb img{transform:scale(1.03);}
.ev-body{
  padding:22px;
  display:flex;
  flex-direction:column;
  gap:12px;
  flex:1;
}
.ev-body h3{font-size:18px;font-weight:700;line-height:1.45;color:var(--ink-900);}
.ev-body p{font-size:14.5px;color:var(--ink-600);line-height:1.75;}
.ev-meta{
  margin-top:auto;
  padding-top:14px;
  border-top:1px solid var(--line);
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:12px;
}
.ev-meta .time{
  font-size:13px;
  color:var(--ink-400);
  font-family:var(--font-num);
  font-variant-numeric:tabular-nums;
}
.rail-hint{
  display:flex;
  align-items:center;
  gap:10px;
  font-size:13px;
  color:var(--ink-400);
  margin-top:2px;
}
.rail-hint .bar{
  flex:1;
  height:3px;
  border-radius:3px;
  background:linear-gradient(90deg,var(--brand-500),rgba(46,111,184,.08));
  max-width:180px;
}

/* ============ 错位四宫格 ============ */
.quilt{
  display:grid;
  grid-template-columns:repeat(2,1fr);
  gap:28px;
}
.q-card{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  box-shadow:var(--sh1);
  overflow:hidden;
  display:flex;
  flex-direction:column;
  transition:box-shadow .18s ease,transform .18s ease;
}
.q-card:nth-child(2n){margin-top:48px;}
.q-card:hover{box-shadow:var(--sh2);transform:translateY(-2px);}
.q-media{
  aspect-ratio:4/3;
  background:var(--brand-100);
  overflow:hidden;
  border-bottom:1px solid var(--line);
}
.q-media img{width:100%;height:100%;object-fit:cover;}
.q-inner{padding:26px;display:flex;flex-direction:column;gap:14px;flex:1;}
.q-inner h3{font-size:20px;font-weight:700;color:var(--ink-900);line-height:1.4;}
.q-inner > p{font-size:14.5px;color:var(--ink-600);line-height:1.8;}
.q-list{display:flex;flex-direction:column;gap:10px;}
.q-list li{
  display:flex;
  align-items:flex-start;
  gap:10px;
  font-size:14px;
  color:var(--ink-600);
  line-height:1.7;
}
.q-list li::before{
  content:"";
  flex-shrink:0;
  width:16px;height:16px;
  margin-top:5px;
  border-radius:50%;
  background:var(--brand-100);
  border:1px solid #c9dcf1;
  box-shadow:inset 0 0 0 3px #fff;
}
.q-foot{
  margin-top:auto;
  padding-top:16px;
  border-top:1px solid var(--line);
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:12px;
  flex-wrap:wrap;
}

/* ============ 时间表 ============ */
.schedule{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--r-xl);
  box-shadow:var(--sh1);
  overflow:hidden;
}
.sched-row{
  display:grid;
  grid-template-columns:200px 1fr auto;
  align-items:center;
  gap:24px;
  padding:26px 30px;
  border-bottom:1px solid var(--line);
  transition:background .18s ease;
}
.sched-row:last-child{border-bottom:0;}
.sched-row:hover{background:#FAFCFF;}
.sched-time{display:flex;flex-direction:column;gap:4px;}
.sched-time b{font-size:16px;font-weight:700;color:var(--brand-700);}
.sched-time span{
  font-size:13px;
  color:var(--ink-400);
  font-family:var(--font-num);
  font-variant-numeric:tabular-nums;
}
.sched-main h3{font-size:16.5px;font-weight:700;color:var(--ink-900);margin-bottom:6px;}
.sched-main p{font-size:14px;color:var(--ink-600);line-height:1.75;}

/* ============ 通栏 CTA ============ */
.cta-band{
  margin-top:96px;
  background:
    radial-gradient(900px 320px at 12% 0%,rgba(46,111,184,.35),transparent 62%),
    var(--brand-900);
  border-radius:var(--r-xl);
  padding:56px 48px;
  display:grid;
  grid-template-columns:1.4fr auto;
  gap:36px;
  align-items:center;
  color:#fff;
  box-shadow:var(--sh3);
}
.cta-band h2{
  font-size:clamp(22px,2.4vw,30px);
  line-height:1.35;
  font-weight:700;
}
.cta-band p{
  margin-top:14px;
  font-size:15px;
  line-height:1.85;
  color:rgba(255,255,255,.76);
  max-width:640px;
}
.cta-actions{display:flex;gap:14px;flex-wrap:wrap;}

/* ============ FAQ ============ */
.faq-grid{
  display:grid;
  grid-template-columns:repeat(2,1fr);
  gap:18px;
  align-items:start;
}
.faq-item{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  box-shadow:var(--sh1);
  overflow:hidden;
  transition:box-shadow .18s ease,border-color .18s ease;
}
.faq-item[open]{border-color:#cfe0f4;box-shadow:var(--sh2);}
.faq-item summary{
  list-style:none;
  cursor:pointer;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  padding:20px 22px;
  font-size:16px;
  font-weight:600;
  color:var(--ink-900);
  transition:color .18s ease;
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary::after{
  content:"＋";
  flex-shrink:0;
  width:26px;height:26px;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  border-radius:50%;
  background:var(--brand-100);
  color:var(--brand-700);
  font-size:14px;
  font-weight:700;
  transition:transform .3s ease,background .18s ease;
}
.faq-item[open] summary{color:var(--brand-500);}
.faq-item[open] summary::after{content:"－";background:var(--accent-50);color:var(--accent-500);}
.faq-answer{
  padding:0 22px 22px;
  font-size:15px;
  line-height:1.8;
  color:var(--ink-600);
}

/* ============ 页脚 ============ */
.site-footer{
  margin-top:96px;
  background:var(--brand-900);
  color:rgba(255,255,255,.72);
  padding:72px 0 0;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.6fr 1fr 1.2fr 1fr;
  gap:40px;
}
.footer-brand .logo{margin-bottom:16px;}
.footer-brand .logo-word b{color:#fff;}
.footer-brand .logo-word i{color:rgba(255,255,255,.68);}
.footer-brand .logo-badge{background:linear-gradient(140deg,var(--brand-500),var(--accent-500));}
.footer-brand p{
  font-size:14px;
  line-height:1.85;
  color:rgba(255,255,255,.66);
  max-width:340px;
}
.footer-col h4{
  font-size:15px;
  font-weight:700;
  color:#fff;
  margin-bottom:16px;
}
.footer-col li{font-size:14px;line-height:2.05;}
.footer-col a{color:rgba(255,255,255,.72);}
.footer-col a:hover{color:#fff;}
.footer-bottom{
  margin-top:56px;
  border-top:1px solid rgba(255,255,255,.14);
  padding:22px 0;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  flex-wrap:wrap;
  font-size:13px;
  color:rgba(255,255,255,.55);
}

/* ============ 动效 ============ */
.reveal{
  opacity:0;
  transform:translateY(16px);
  transition:opacity .5s ease,transform .5s ease;
}
.reveal.is-in{opacity:1;transform:none;}
@media (prefers-reduced-motion:reduce){
  *{animation:none !important;transition:none !important;}
  .reveal{opacity:1;transform:none;}
  html{scroll-behavior:auto;}
}

/* ============ 响应式 ============ */
@media (max-width:1199px){
  .nav-links a{font-size:14px;padding:10px 9px;}
  .hero-grid{gap:32px;}
  .sched-row{grid-template-columns:170px 1fr auto;gap:18px;padding:22px 24px;}
}
@media (max-width:991px){
  .nav-links,.nav-actions .btn,
  .nav-actions .icon-btn:not(.menu-toggle){display:none;}
  .menu-toggle{display:inline-flex;}
  .nav-actions{margin-left:auto;}
  .hero{padding:126px 0 56px;}
  .hero-grid{grid-template-columns:1fr;}
  .hero-media{order:2;max-width:560px;}
  .hero-float{left:auto;right:16px;bottom:-18px;}
  .status-band{grid-template-columns:1fr;gap:6px;}
  .quilt{grid-template-columns:1fr;gap:22px;}
  .q-card:nth-child(2n){margin-top:0;}
  .faq-grid{grid-template-columns:1fr;}
  .cta-band{grid-template-columns:1fr;padding:40px 28px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
  .footer-brand{grid-column:1/-1;}
}
@media (max-width:767px){
  :root{--container:100%;}
  .container{padding:0 18px;}
  body{font-size:15.5px;}
  .hero{padding:112px 0 48px;}
  .hero-sub{font-size:15.5px;}
  .hero-actions .btn{width:100%;}
  .hero-points{gap:16px;}
  .section{padding:56px 0 0;}
  .section-head{margin-bottom:24px;}
  .ev-card{flex:0 0 272px;}
  .ev-body{padding:18px;}
  .q-inner{padding:20px;}
  .sched-row{grid-template-columns:1fr;gap:10px;padding:20px;}
  .cta-band{margin-top:56px;padding:32px 20px;border-radius:var(--r-lg);}
  .cta-actions .btn{width:100%;}
  .site-footer{margin-top:56px;padding-top:48px;}
  .footer-grid{grid-template-columns:1fr;}
  .footer-bottom{flex-direction:column;align-items:flex-start;margin-top:36px;}
  .search-bar{flex-direction:column;}
  .logo-word b{font-size:16px;}
}

/* roulang page: category4 */
:root{
  --brand-900:#10294A;
  --brand-700:#1B4A85;
  --brand-500:#2E6FB8;
  --brand-100:#E3EDF8;
  --bg:#F4F8FD;
  --surface:#FFFFFF;
  --accent-500:#F08A24;
  --accent-50:#FFF4E6;
  --ink-900:#16202E;
  --ink-600:#4A5A6E;
  --ink-400:#8A97A8;
  --line:#E2E9F1;
  --ok:#2FA36B;
  --warn:#E05B4A;
  --r-s:8px;
  --r-m:12px;
  --r-l:16px;
  --r-xl:24px;
  --r-p:999px;
  --sh1:0 1px 2px rgba(16,41,74,.04);
  --sh2:0 8px 24px rgba(16,41,74,.08);
  --sh3:0 18px 48px rgba(16,41,74,.12);
  --container:1200px;
  --mono:'Inter','Manrope',ui-monospace,SFMono-Regular,Menlo,monospace;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:'HarmonyOS Sans SC','PingFang SC','Microsoft YaHei','Noto Sans SC',system-ui,-apple-system,sans-serif;
  font-size:16px;
  line-height:1.8;
  color:var(--ink-900);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border-style:none}
a{color:inherit;text-decoration:none}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4,p{margin:0}
button,input,select,textarea{font:inherit;color:inherit;margin:0}
button{background:none;border:0;cursor:pointer}
strong{font-weight:700}
.num,.date{font-family:var(--mono);font-variant-numeric:tabular-nums}
:focus-visible{outline:3px solid rgba(46,111,184,.35);outline-offset:2px;border-radius:6px}

.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px}
.section{padding:96px 0}
.section-tight{padding:72px 0}
.section-head{max-width:720px;margin-bottom:44px}
.section-head h2{font-size:clamp(24px,2.6vw,34px);line-height:1.3;font-weight:700;letter-spacing:-.2px}
.section-head p{margin-top:14px;color:var(--ink-600);font-size:16px}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;letter-spacing:.08em;font-weight:600;color:var(--brand-700);
  background:var(--brand-100);border-radius:var(--r-p);padding:6px 14px;margin-bottom:16px;
}
.eyebrow i{font-size:12px}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 24px;border-radius:var(--r-m);
  font-size:15px;font-weight:600;line-height:1;
  transition:background-color .18s ease,color .18s ease,box-shadow .18s ease,transform .18s ease,border-color .18s ease;
  white-space:nowrap;
}
.btn-primary{background:var(--brand-500);color:#fff;box-shadow:var(--sh1)}
.btn-primary:hover{background:var(--brand-700);transform:translateY(-1px);box-shadow:var(--sh2)}
.btn-ghost{background:#fff;color:var(--brand-700);border:1.5px solid var(--brand-500)}
.btn-ghost:hover{background:var(--brand-100)}
.btn-accent{background:var(--accent-500);color:#fff;box-shadow:var(--sh1)}
.btn-accent:hover{background:#DE7A14;transform:translateY(-1px);box-shadow:var(--sh2)}
.btn-sm{height:40px;padding:0 18px;font-size:14px;border-radius:10px}
.link-more{display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:600;color:var(--brand-500)}
.link-more i{transition:transform .18s ease}
.link-more:hover{color:var(--brand-700)}
.link-more:hover i{transform:translateX(3px)}

/* ---------- 导航 ---------- */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:100;
  background:rgba(244,248,253,.55);
  -webkit-backdrop-filter:blur(16px) saturate(140%);
  backdrop-filter:blur(16px) saturate(140%);
  border-bottom:1px solid rgba(255,255,255,.55);
  box-shadow:0 6px 24px rgba(16,41,74,.06);
  transition:background-color .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.site-header.is-stuck{
  background:rgba(255,255,255,.94);
  border-bottom:1px solid var(--line);
  box-shadow:var(--sh2);
}
.header-inner{display:flex;align-items:center;gap:24px;height:72px;transition:height .2s ease}
.site-header.is-stuck .header-inner{height:64px}
.logo{display:flex;align-items:center;gap:10px;flex-shrink:0}
.logo-badge{
  display:inline-flex;align-items:center;justify-content:center;
  width:38px;height:38px;border-radius:11px;
  background:var(--brand-900);color:#fff;font-size:14px;font-weight:700;letter-spacing:.02em;
}
.logo-word{display:flex;flex-direction:column;line-height:1.15}
.logo-word b{font-size:16px;font-weight:800;color:var(--ink-900);letter-spacing:-.2px;white-space:nowrap}
.logo-word i{font-style:normal;font-size:11px;color:var(--ink-400);letter-spacing:.18em}
.nav-links{display:flex;align-items:center;gap:6px;margin-left:auto}
.nav-links a{
  position:relative;display:inline-block;padding:10px 12px;
  font-size:14.5px;font-weight:500;color:var(--ink-600);border-radius:var(--r-s);
  transition:color .18s ease;
  white-space:nowrap;
}
.nav-links a::after{
  content:"";position:absolute;left:50%;bottom:4px;width:0;height:2px;border-radius:2px;
  background:var(--brand-500);transform:translateX(-50%);transition:width .2s ease;
}
.nav-links a:hover{color:var(--brand-500)}
.nav-links a:hover::after{width:20px}
.nav-links a.active{color:var(--brand-500);font-weight:600}
.nav-links a.active::after{width:22px}
.header-actions{display:flex;align-items:center;gap:10px;flex-shrink:0}
.search-box{position:relative;display:flex;align-items:center;height:40px;border-radius:var(--r-p);background:rgba(255,255,255,.8);border:1px solid var(--line);transition:border-color .18s ease,box-shadow .18s ease,width .2s ease}
.search-box input{
  width:0;padding:0;border:0;background:transparent;outline:none;font-size:14px;
  transition:width .22s ease,padding .22s ease;
}
.search-box.open{border-color:var(--brand-500);box-shadow:0 0 0 3px rgba(46,111,184,.14)}
.search-box.open input{width:180px;padding:0 14px 0 4px}
.icon-btn{
  display:inline-flex;align-items:center;justify-content:center;
  width:40px;height:38px;border-radius:var(--r-p);color:var(--ink-600);
  transition:color .18s ease,background-color .18s ease;
}
.icon-btn:hover{color:var(--brand-500);background:var(--brand-100)}
.hamburger{display:none;width:44px;height:44px;border-radius:var(--r-m);align-items:center;justify-content:center;flex-direction:column;gap:5px}
.hamburger span{display:block;width:20px;height:2px;border-radius:2px;background:var(--ink-900);transition:transform .2s ease,opacity .2s ease}
.hamburger[aria-expanded="true"] span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.hamburger[aria-expanded="true"] span:nth-child(2){opacity:0}
.hamburger[aria-expanded="true"] span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}
.mobile-drawer{
  display:none;position:fixed;top:0;left:0;right:0;bottom:0;z-index:95;
  padding:100px 24px 40px;background:rgba(255,255,255,.97);
  -webkit-backdrop-filter:blur(16px);backdrop-filter:blur(16px);
  overflow-y:auto;
}
.mobile-drawer.open{display:block}
.mobile-drawer a{
  display:block;padding:16px 4px;font-size:17px;font-weight:600;color:var(--ink-900);
  border-bottom:1px solid var(--line);
}
.mobile-drawer a.active{color:var(--brand-500)}
.mobile-drawer .btn{margin-top:24px;width:100%}
.drawer-mask{position:fixed;inset:0;z-index:90;background:rgba(16,41,74,.4);display:none}
.drawer-mask.open{display:block}

/* ---------- Hero ---------- */
.page-hero{
  position:relative;padding:150px 0 80px;overflow:hidden;
  background:
    radial-gradient(680px 320px at 82% 12%, rgba(46,111,184,.10), transparent 70%),
    radial-gradient(520px 260px at 8% 90%, rgba(240,138,36,.08), transparent 70%),
    var(--bg);
}
.page-hero::before{
  content:"";position:absolute;inset:0;pointer-events:none;opacity:.5;
  background-image:radial-gradient(rgba(16,41,74,.10) 1px, transparent 1px);
  background-size:26px 26px;
  -webkit-mask-image:linear-gradient(180deg,rgba(0,0,0,.9),transparent 78%);
  mask-image:linear-gradient(180deg,rgba(0,0,0,.9),transparent 78%);
}
.page-hero .container{position:relative;z-index:1}
.breadcrumb{display:flex;align-items:center;flex-wrap:wrap;gap:8px;font-size:13.5px;color:var(--ink-400);margin-bottom:22px}
.breadcrumb a{color:var(--ink-600);transition:color .18s ease}
.breadcrumb a:hover{color:var(--brand-500)}
.breadcrumb i{font-size:10px}
.breadcrumb .current{color:var(--ink-900);font-weight:600}
.hero-grid{display:grid;grid-template-columns:1.08fr .92fr;gap:56px;align-items:center}
.page-hero h1{
  font-size:clamp(30px,4.4vw,52px);line-height:1.25;font-weight:800;letter-spacing:-.5px;
  margin-bottom:20px;
}
.page-hero h1 em{font-style:normal;color:var(--brand-500)}
.hero-lead{font-size:17px;color:var(--ink-600);max-width:600px}
.hero-tags{display:flex;flex-wrap:wrap;gap:12px;margin-top:28px}
.trust-chip{
  display:inline-flex;align-items:center;gap:8px;
  padding:9px 16px;border-radius:var(--r-p);background:var(--surface);
  border:1px solid var(--line);box-shadow:var(--sh1);font-size:13.5px;color:var(--ink-600);
}
.trust-chip i{color:var(--brand-500);font-size:13px}
.hero-art{position:relative}
.hero-art .shot{
  border-radius:var(--r-xl);overflow:hidden;border:1px solid var(--line);
  box-shadow:var(--sh3);aspect-ratio:16/11;background:var(--brand-100);
}
.hero-art .shot img{width:100%;height:100%;object-fit:cover}
.hero-float{
  position:absolute;left:-22px;bottom:-26px;width:238px;
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-l);
  box-shadow:var(--sh2);padding:18px 20px;
}
.hero-float .fl-label{font-size:12.5px;color:var(--ink-400);letter-spacing:.04em}
.hero-float .fl-value{font-family:var(--mono);font-variant-numeric:tabular-nums;font-size:30px;font-weight:700;color:var(--brand-900);line-height:1.3;margin-top:2px}
.hero-float .fl-note{font-size:12.5px;color:var(--ink-600);margin-top:4px}

/* ---------- 状态条 ---------- */
.status-bar{
  background:var(--brand-900);color:#fff;border-radius:var(--r-l);
  padding:22px 28px;display:grid;grid-template-columns:repeat(4,1fr);gap:24px;
  box-shadow:var(--sh2);
}
.status-item{display:flex;align-items:center;gap:12px}
.status-dot{width:9px;height:9px;border-radius:50%;background:var(--ok);box-shadow:0 0 0 4px rgba(47,163,107,.18);flex-shrink:0}
.status-dot.warn{background:var(--accent-500);box-shadow:0 0 0 4px rgba(240,138,36,.2)}
.status-item b{display:block;font-size:15px;font-weight:600;line-height:1.4}
.status-item span{display:block;font-size:12.5px;color:rgba(255,255,255,.68);line-height:1.5}

/* ---------- 图文交替 ---------- */
.zigzag{display:grid;gap:32px}
.zig-row{
  display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:center;
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-xl);
  padding:32px;box-shadow:var(--sh1);transition:box-shadow .18s ease,transform .18s ease;
}
.zig-row:hover{box-shadow:var(--sh2);transform:translateY(-2px)}
.zig-media{border-radius:var(--r-l);overflow:hidden;border:1px solid var(--line);aspect-ratio:4/3;background:var(--brand-100)}
.zig-media img{width:100%;height:100%;object-fit:cover}
.zig-body h3{font-size:20px;font-weight:600;line-height:1.4;margin-bottom:12px}
.zig-body .zig-index{
  display:inline-block;font-family:var(--mono);font-size:13px;font-weight:700;color:var(--brand-500);
  letter-spacing:.1em;margin-bottom:8px;
}
.zig-body p{color:var(--ink-600);font-size:15.5px}
.zig-list{margin-top:18px;display:grid;gap:12px}
.zig-list li{display:flex;gap:10px;font-size:15px;color:var(--ink-600);line-height:1.7}
.zig-list i{color:var(--ok);margin-top:6px;font-size:13px;flex-shrink:0}
.zig-row.reverse .zig-media{order:2}

/* ---------- 警示卡 ---------- */
.alert-card{
  display:flex;gap:22px;align-items:flex-start;
  background:var(--accent-50);border:1px solid #F6DCBB;border-left:4px solid var(--accent-500);
  border-radius:var(--r-l);padding:28px 30px;
}
.alert-icon{
  width:52px;height:52px;flex-shrink:0;border-radius:var(--r-m);
  background:#fff;border:1px solid #F6DCBB;display:flex;align-items:center;justify-content:center;
  color:var(--accent-500);font-size:20px;
}
.alert-card h3{font-size:19px;font-weight:700;margin-bottom:10px}
.alert-card p{font-size:15px;color:var(--ink-600)}
.alert-tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:16px}
.alert-tags span{
  display:inline-flex;align-items:center;gap:6px;background:#fff;border:1px solid #F6DCBB;
  color:#9A5A10;border-radius:var(--r-p);padding:6px 13px;font-size:13px;font-weight:500;
}

/* ---------- 自查表单 ---------- */
.form-wrap{display:grid;grid-template-columns:1.15fr .85fr;gap:32px;align-items:start}
.form-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-xl);
  padding:32px;box-shadow:var(--sh1);
}
.form-card h3{font-size:20px;font-weight:700;margin-bottom:8px}
.form-card > p{font-size:14.5px;color:var(--ink-600);margin-bottom:26px}
.field{margin-bottom:18px}
.field label{display:block;font-size:14px;font-weight:600;margin-bottom:8px}
.field .hint{font-size:12.5px;color:var(--ink-400);font-weight:400;margin-left:6px}
.field input,.field select,.field textarea{
  width:100%;height:48px;padding:0 14px;border:1px solid var(--line);border-radius:var(--r-m);
  background:#fff;font-size:15px;transition:border-color .18s ease,box-shadow .18s ease;
  -webkit-appearance:none;appearance:none;
}
.field textarea{height:auto;min-height:132px;padding:12px 14px;line-height:1.7;resize:vertical}
.field select{
  background-image:url("data:image/svg+xml;charset=utf8,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16' fill='%234A5A6E'%3E%3Cpath d='M4.2 6.2 8 10l3.8-3.8'/%3E%3C/svg%3E");
  background-repeat:no-repeat;background-position:right 14px center;background-size:14px;padding-right:38px;
}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:none;border-color:var(--brand-500);box-shadow:0 0 0 3px rgba(46,111,184,.16);
}
.field.error input,.field.error select,.field.error textarea{border-color:var(--warn);box-shadow:0 0 0 3px rgba(224,91,74,.14)}
.field .err-msg{display:none;font-size:12.5px;color:var(--warn);margin-top:6px}
.field.error .err-msg{display:block}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:18px}
.form-actions{display:flex;align-items:center;gap:16px;flex-wrap:wrap;margin-top:24px}
.form-actions .note{font-size:13px;color:var(--ink-400)}
.form-success{
  display:none;align-items:center;gap:10px;margin-top:20px;padding:14px 16px;
  border-radius:var(--r-m);background:rgba(47,163,107,.09);border:1px solid rgba(47,163,107,.32);
  color:#1F7A4E;font-size:14px;font-weight:500;
}
.form-success.show{display:flex}
.form-success i{color:var(--ok)}

.side-stack{display:grid;gap:20px}
.side-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-l);
  padding:24px;box-shadow:var(--sh1);
}
.side-card h4{font-size:16px;font-weight:700;margin-bottom:14px;display:flex;align-items:center;gap:8px}
.side-card h4 i{color:var(--brand-500);font-size:15px}
.side-card ul{display:grid;gap:12px}
.side-card li{display:flex;justify-content:space-between;gap:12px;font-size:14px;color:var(--ink-600);border-bottom:1px dashed var(--line);padding-bottom:12px}
.side-card li:last-child{border-bottom:0;padding-bottom:0}
.side-card li b{color:var(--ink-900);font-weight:600}
.side-card p{font-size:14px;color:var(--ink-600)}
.side-card .cover-thumb{border-radius:var(--r-m);overflow:hidden;border:1px solid var(--line);margin-bottom:16px;aspect-ratio:16/10;background:var(--brand-100)}
.side-card .cover-thumb img{width:100%;height:100%;object-fit:cover}

/* ---------- FAQ ---------- */
.faq-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.faq-item{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-l);
  box-shadow:var(--sh1);overflow:hidden;transition:box-shadow .18s ease,border-color .18s ease;
  align-self:start;
}
.faq-item:hover{box-shadow:var(--sh2)}
.faq-item.open{border-color:rgba(46,111,184,.35)}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:20px 22px;text-align:left;font-size:16px;font-weight:600;line-height:1.6;color:var(--ink-900);
  transition:color .18s ease;min-height:44px;
}
.faq-item.open .faq-q{color:var(--brand-500)}
.faq-q .pm{
  width:28px;height:28px;flex-shrink:0;border-radius:50%;border:1px solid var(--line);
  display:flex;align-items:center;justify-content:center;color:var(--brand-500);font-size:12px;
  background:var(--bg);transition:transform .3s ease,background-color .18s ease;
}
.faq-item.open .pm{transform:rotate(45deg);background:var(--brand-100);border-color:transparent}
.faq-panel{max-height:0;overflow:hidden;transition:max-height .3s ease}
.faq-panel p{padding:0 22px 22px;font-size:15px;color:var(--ink-600);line-height:1.8}

/* ---------- CTA ---------- */
.cta-band{
  background:var(--brand-900);border-radius:var(--r-xl);padding:56px 48px;
  display:flex;align-items:center;justify-content:space-between;gap:40px;flex-wrap:wrap;
  box-shadow:var(--sh3);position:relative;overflow:hidden;
}
.cta-band::after{
  content:"";position:absolute;right:-60px;top:-60px;width:280px;height:280px;border-radius:50%;
  background:radial-gradient(circle,rgba(240,138,36,.28),transparent 68%);
}
.cta-band .cta-text{position:relative;z-index:1;max-width:620px}
.cta-band h2{color:#fff;font-size:clamp(22px,2.4vw,30px);font-weight:700;line-height:1.35}
.cta-band p{color:rgba(255,255,255,.72);font-size:15px;margin-top:12px}
.cta-band .cta-actions{position:relative;z-index:1;display:flex;gap:14px;flex-wrap:wrap}
.cta-band .btn-ghost{background:transparent;color:#fff;border-color:rgba(255,255,255,.5)}
.cta-band .btn-ghost:hover{background:rgba(255,255,255,.12)}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--brand-900);color:rgba(255,255,255,.7);padding:72px 0 28px;margin-top:96px}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1.2fr 1fr;gap:40px}
.footer-brand .logo{margin-bottom:18px}
.footer-brand .logo-badge{background:rgba(255,255,255,.12)}
.footer-brand .logo-word b{color:#fff}
.footer-brand .logo-word i{color:rgba(255,255,255,.5)}
.footer-brand p{font-size:14px;line-height:1.85;color:rgba(255,255,255,.68);max-width:330px}
.footer-col h4{color:#fff;font-size:15px;font-weight:700;margin-bottom:18px}
.footer-col ul{display:grid;gap:11px}
.footer-col li a{font-size:14px;color:rgba(255,255,255,.7);transition:color .18s ease}
.footer-col li a:hover{color:#fff}
.footer-col li span{font-size:14px;color:rgba(255,255,255,.7)}
.footer-bottom{
  margin-top:52px;padding-top:22px;border-top:1px solid rgba(255,255,255,.14);
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13px;color:rgba(255,255,255,.55);
}

/* ---------- 响应式 ---------- */
@media (max-width:1199px){
  .nav-links a{padding:10px 9px;font-size:14px}
  .search-box.open input{width:140px}
  .hero-grid{gap:40px}
  .footer-grid{grid-template-columns:1.4fr 1fr 1fr;gap:32px}
  .footer-brand{grid-column:1 / -1}
}
@media (max-width:991px){
  .nav-links{display:none}
  .hamburger{display:flex}
  .header-actions .btn-sm{display:none}
  .section{padding:72px 0}
  .hero-grid{grid-template-columns:1fr}
  .hero-art{order:2;margin-top:8px}
  .hero-float{position:static;width:100%;margin-top:16px}
  .status-bar{grid-template-columns:1fr 1fr;gap:20px}
  .zig-row{grid-template-columns:1fr;gap:24px;padding:24px}
  .zig-row.reverse .zig-media{order:0}
  .form-wrap{grid-template-columns:1fr}
  .faq-grid{grid-template-columns:1fr}
  .cta-band{padding:40px 28px}
  .footer-grid{grid-template-columns:1fr 1fr}
}
@media (max-width:767px){
  .container{padding:0 18px}
  .section{padding:56px 0}
  .page-hero{padding:124px 0 56px}
  .header-inner{height:64px}
  .search-box{display:none}
  .status-bar{grid-template-columns:1fr;gap:16px;padding:20px 22px}
  .form-card{padding:24px}
  .form-row{grid-template-columns:1fr}
  .alert-card{flex-direction:column;gap:16px;padding:24px}
  .cta-band::after{display:none}
  .cta-band .cta-actions{width:100%}
  .cta-band .cta-actions .btn{flex:1}
  .footer-grid{grid-template-columns:1fr;gap:28px}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:8px}
}
@media (max-width:520px){
  .logo-word i{letter-spacing:.1em}
  .hero-tags{gap:8px}
  .trust-chip{font-size:13px;padding:8px 13px}
  .faq-q{padding:18px}
  .faq-q{font-size:15.5px}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none!important;transition:none!important;scroll-behavior:auto!important}
}