/* ==========================================================
   美满云 meimanyun.com — 武汉美满网科技有限公司
   全局样式
   ========================================================== */

:root{
  --ink:#0b1a2b;
  --navy:#0a1c3d;
  --navy-2:#12294f;
  --brand:#1656c8;
  --brand-2:#2f7bf6;
  --teal:#14b8a6;
  --amber:#f5a524;
  --text:#1b2735;
  --muted:#5b6b7f;
  --line:#e3e9f2;
  --bg:#f6f8fc;
  --white:#ffffff;
  --radius:16px;
  --radius-sm:10px;
  --shadow:0 10px 30px rgba(12,32,64,.08);
  --shadow-lg:0 24px 60px rgba(12,32,64,.14);
  --max:1160px;
  --font:"PingFang SC","Microsoft YaHei","Hiragino Sans GB","Helvetica Neue",Arial,sans-serif;
}

*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:var(--font);
  color:var(--text);
  background:var(--white);
  line-height:1.75;
  font-size:16px;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
ul{margin:0;padding:0;list-style:none}
h1,h2,h3,h4{margin:0;line-height:1.35;font-weight:700;letter-spacing:.3px;color:var(--ink)}
p{margin:0}
.container{width:100%;max-width:var(--max);margin:0 auto;padding:0 24px}
.section{padding:88px 0}
.section--tight{padding:64px 0}
.section--alt{background:var(--bg)}
.center{text-align:center}

/* ---------- 通用标题 ---------- */
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:600;letter-spacing:2px;
  color:var(--brand);text-transform:uppercase;margin-bottom:14px;
}
.eyebrow::before{content:"";width:26px;height:2px;background:var(--brand);display:block;border-radius:2px}
.section-title{font-size:34px;letter-spacing:.5px}
.section-sub{color:var(--muted);margin-top:14px;font-size:16px;max-width:720px}
.center .section-sub{margin-left:auto;margin-right:auto}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:13px 26px;border-radius:999px;font-weight:600;font-size:15px;
  border:1px solid transparent;cursor:pointer;transition:.25s ease;white-space:nowrap;
}
.btn--primary{background:var(--brand);color:#fff;box-shadow:0 10px 24px rgba(22,86,200,.28)}
.btn--primary:hover{background:#1349ab;transform:translateY(-2px);box-shadow:0 14px 30px rgba(22,86,200,.34)}
.btn--ghost{background:transparent;color:#fff;border-color:rgba(255,255,255,.4)}
.btn--ghost:hover{background:rgba(255,255,255,.12);border-color:rgba(255,255,255,.7)}
.btn--line{background:#fff;color:var(--brand);border-color:#cfdcf2}
.btn--line:hover{border-color:var(--brand);color:var(--brand);transform:translateY(-2px)}
.btn--sm{padding:9px 18px;font-size:14px}

/* ---------- 顶栏 ---------- */
.site-header{
  position:sticky;top:0;z-index:100;
  background:rgba(255,255,255,.92);
  backdrop-filter:saturate(180%) blur(12px);
  border-bottom:1px solid var(--line);
}
.nav{display:flex;align-items:center;justify-content:space-between;height:74px;gap:24px}
.logo{display:flex;align-items:center;gap:11px;font-weight:800;font-size:20px;color:var(--ink);letter-spacing:.5px}
.logo .mark{
  width:38px;height:38px;border-radius:11px;flex:none;
  background:linear-gradient(135deg,var(--brand),var(--teal));
  display:flex;align-items:center;justify-content:center;
  color:#fff;font-size:17px;font-weight:800;letter-spacing:0;
  box-shadow:0 6px 16px rgba(22,86,200,.28);
}
.logo small{display:block;font-size:11px;font-weight:500;color:var(--muted);letter-spacing:1.6px;line-height:1}
.logo-text{display:flex;flex-direction:column;gap:4px;line-height:1}

.nav-links{display:flex;align-items:center;gap:30px}
.nav-links a{font-size:15px;font-weight:500;color:#33445c;position:relative;padding:6px 0;transition:color .2s}
.nav-links a::after{
  content:"";position:absolute;left:0;bottom:0;height:2px;width:0;border-radius:2px;
  background:var(--brand);transition:width .25s ease;
}
.nav-links a:hover{color:var(--brand)}
.nav-links a:hover::after,.nav-links a.active::after{width:100%}
.nav-links a.active{color:var(--brand);font-weight:600}
.nav-actions{display:flex;align-items:center;gap:14px}
.nav-phone{font-weight:700;color:var(--ink);font-size:15px;letter-spacing:.4px}
.nav-toggle{
  display:none;width:44px;height:44px;border-radius:10px;border:1px solid var(--line);
  background:#fff;cursor:pointer;padding:0;align-items:center;justify-content:center;
}
.nav-toggle span{display:block;width:20px;height:2px;background:var(--ink);position:relative;transition:.25s}
.nav-toggle span::before,.nav-toggle span::after{
  content:"";position:absolute;left:0;width:20px;height:2px;background:var(--ink);transition:.25s;
}
.nav-toggle span::before{top:-6px}
.nav-toggle span::after{top:6px}
.nav-toggle.open span{background:transparent}
.nav-toggle.open span::before{transform:translateY(6px) rotate(45deg)}
.nav-toggle.open span::after{transform:translateY(-6px) rotate(-45deg)}

/* ---------- Hero ---------- */
.hero{
  position:relative;overflow:hidden;color:#fff;
  background:
    radial-gradient(900px 480px at 12% -10%,rgba(47,123,246,.55),transparent 62%),
    radial-gradient(760px 420px at 88% 8%,rgba(20,184,166,.38),transparent 60%),
    linear-gradient(150deg,#071630 0%,#0a1c3d 48%,#102d55 100%);
}
.hero::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:linear-gradient(rgba(255,255,255,.05) 1px,transparent 1px),
                   linear-gradient(90deg,rgba(255,255,255,.05) 1px,transparent 1px);
  background-size:64px 64px;
  mask-image:radial-gradient(ellipse at 50% 0%,#000 30%,transparent 78%);
  -webkit-mask-image:radial-gradient(ellipse at 50% 0%,#000 30%,transparent 78%);
}
.hero .container{position:relative;z-index:1}
.hero-grid{
  display:grid;grid-template-columns:1.08fr .92fr;gap:56px;align-items:center;
  padding:96px 0 104px;
}
.hero-badge{
  display:inline-flex;align-items:center;gap:9px;
  padding:7px 15px;border-radius:999px;font-size:13px;letter-spacing:.6px;
  background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.22);color:#dbe8ff;
}
.hero-badge i{width:7px;height:7px;border-radius:50%;background:var(--teal);box-shadow:0 0 0 4px rgba(20,184,166,.22)}
.hero h1{
  color:#fff;font-size:52px;line-height:1.24;margin:22px 0 20px;letter-spacing:1px;
}
.hero h1 em{font-style:normal;background:linear-gradient(100deg,#66b6ff,#5ee7d5);-webkit-background-clip:text;background-clip:text;color:transparent}
.hero p.lead{font-size:17.5px;color:#c3d3ea;max-width:560px}
.hero-actions{display:flex;gap:14px;margin-top:34px;flex-wrap:wrap}
.hero-meta{display:flex;gap:34px;margin-top:46px;flex-wrap:wrap}
.hero-meta div{display:flex;flex-direction:column;gap:2px}
.hero-meta b{font-size:24px;color:#fff;letter-spacing:.5px}
.hero-meta span{font-size:13px;color:#93aac9;letter-spacing:.8px}

/* Hero 右侧卡片 */
.hero-card{
  position:relative;border-radius:22px;padding:26px;
  background:rgba(255,255,255,.07);
  border:1px solid rgba(255,255,255,.18);
  box-shadow:0 30px 70px rgba(0,0,0,.3);
  backdrop-filter:blur(10px);
}
.hero-card h4{color:#fff;font-size:16px;margin-bottom:18px;letter-spacing:.6px}
.hc-list{display:grid;gap:12px}
.hc-item{
  display:flex;align-items:flex-start;gap:13px;padding:14px 16px;border-radius:12px;
  background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.1);
  transition:.25s;
}
.hc-item:hover{background:rgba(255,255,255,.12);transform:translateX(3px)}
.hc-icon{
  width:36px;height:36px;flex:none;border-radius:10px;display:flex;align-items:center;justify-content:center;
  background:linear-gradient(135deg,rgba(47,123,246,.9),rgba(20,184,166,.9));color:#fff;
}
.hc-icon svg{width:19px;height:19px}
.hc-item b{display:block;font-size:14.5px;color:#fff;font-weight:600}
.hc-item span{font-size:12.5px;color:#a7bbd6}

/* ---------- 服务卡片 ---------- */
.grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:26px}
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.grid-4{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}

.svc-card{
  position:relative;background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  padding:36px 34px;overflow:hidden;transition:.28s ease;
}
.svc-card::before{
  content:"";position:absolute;left:0;top:0;height:100%;width:4px;
  background:linear-gradient(180deg,var(--brand),var(--teal));opacity:0;transition:.28s;
}
.svc-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg);border-color:#d5e2f6}
.svc-card:hover::before{opacity:1}
.svc-icon{
  width:56px;height:56px;border-radius:15px;display:flex;align-items:center;justify-content:center;
  background:linear-gradient(135deg,#eaf2ff,#e6fbf7);color:var(--brand);margin-bottom:22px;
}
.svc-icon svg{width:27px;height:27px}
.svc-card h3{font-size:21px;margin-bottom:12px}
.svc-card p{color:var(--muted);font-size:15px}
.svc-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:20px}
.tag{
  font-size:12.5px;padding:5px 12px;border-radius:999px;color:#35507a;
  background:#f0f5fd;border:1px solid #e2ecfa;
}
.svc-link{
  display:inline-flex;align-items:center;gap:7px;margin-top:24px;
  font-size:14.5px;font-weight:600;color:var(--brand);
}
.svc-link svg{width:15px;height:15px;transition:transform .25s}
.svc-link:hover svg{transform:translateX(4px)}

/* ---------- 特色条 ---------- */
.feature{
  display:flex;gap:15px;align-items:flex-start;padding:24px;
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-sm);
  transition:.25s;
}
.feature:hover{border-color:#cfdcf2;box-shadow:var(--shadow)}
.feature .fi{
  width:42px;height:42px;flex:none;border-radius:11px;display:flex;align-items:center;justify-content:center;
  background:#eef5ff;color:var(--brand);font-weight:800;font-size:15px;
}
.feature h4{font-size:16px;margin-bottom:6px}
.feature p{font-size:14px;color:var(--muted);line-height:1.7}

/* ---------- 流程 ---------- */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;counter-reset:step}
.step{
  position:relative;background:#fff;border:1px solid var(--line);border-radius:var(--radius-sm);
  padding:28px 22px;counter-increment:step;
}
.step::before{
  content:"0" counter(step);
  font-size:32px;font-weight:800;color:#e6eefb;letter-spacing:1px;display:block;margin-bottom:10px;
}
.step h4{font-size:16.5px;margin-bottom:8px}
.step p{font-size:14px;color:var(--muted)}

/* ---------- 数据/信任 ---------- */
.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.stat{text-align:center;padding:30px 16px;background:#fff;border:1px solid var(--line);border-radius:var(--radius-sm)}
.stat b{display:block;font-size:34px;color:var(--brand);letter-spacing:.5px}
.stat span{font-size:13.5px;color:var(--muted);letter-spacing:.6px}

/* ---------- 价格 ---------- */
.price-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;align-items:stretch}
.price{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:34px 30px;
  display:flex;flex-direction:column;transition:.28s;
}
.price:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg)}
.price.featured{border-color:var(--brand);box-shadow:0 18px 46px rgba(22,86,200,.16);position:relative}
.price.featured::after{
  content:"推荐";position:absolute;top:-1px;right:24px;
  background:var(--brand);color:#fff;font-size:12px;padding:5px 13px;border-radius:0 0 8px 8px;letter-spacing:1px;
}
.price h3{font-size:19px;margin-bottom:6px}
.price .p-desc{font-size:13.5px;color:var(--muted);min-height:42px}
.price .p-amount{margin:18px 0 4px;font-size:30px;font-weight:800;color:var(--ink)}
.price .p-amount small{font-size:14px;font-weight:500;color:var(--muted)}
.price ul{margin:22px 0 26px;display:grid;gap:11px}
.price li{font-size:14.5px;color:#3d4d63;display:flex;gap:9px;align-items:flex-start}
.price li::before{content:"✓";color:var(--teal);font-weight:800;flex:none}
.price .btn{width:100%;margin-top:auto}

/* ---------- 公文类型 ---------- */
.doc-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.doc-item{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-sm);padding:24px 22px;
  display:flex;gap:14px;align-items:flex-start;transition:.25s;
}
.doc-item:hover{box-shadow:var(--shadow);border-color:#d5e2f6;transform:translateY(-2px)}
.doc-item .di{
  width:38px;height:38px;flex:none;border-radius:10px;background:#eef5ff;color:var(--brand);
  display:flex;align-items:center;justify-content:center;font-size:15px;font-weight:800;
}
.doc-item b{font-size:15.5px;display:block;margin-bottom:5px}
.doc-item span{font-size:13.5px;color:var(--muted);line-height:1.65;display:block}

/* ---------- 优势列表 ---------- */
.check-list{display:grid;gap:16px}
.check-list li{display:flex;gap:13px;align-items:flex-start;font-size:15.5px;color:#33445c}
.check-list li::before{
  content:"✓";flex:none;width:24px;height:24px;border-radius:50%;background:#e6fbf7;color:#0f9488;
  display:flex;align-items:center;justify-content:center;font-size:13px;font-weight:800;margin-top:2px;
}

/* ---------- 关于 ---------- */
.about-grid{display:grid;grid-template-columns:.95fr 1.05fr;gap:56px;align-items:center}
.about-panel{
  border-radius:20px;padding:38px;color:#fff;
  background:linear-gradient(150deg,#0a1c3d,#14365f 60%,#0f4a5c);
  box-shadow:var(--shadow-lg);
}
.about-panel .row{display:flex;justify-content:space-between;gap:16px;padding:16px 0;border-bottom:1px solid rgba(255,255,255,.12);font-size:15px}
.about-panel .row:last-child{border-bottom:0;padding-bottom:0}
.about-panel .row span{color:#9db4d3}
.about-panel .row b{font-weight:600;text-align:right;max-width:62%}
.about-panel .row b small{display:block;font-weight:400;font-size:12.5px;color:#8fa7c7;margin-top:3px;letter-spacing:.4px}

/* ---------- 联系 ---------- */
.contact{
  position:relative;overflow:hidden;color:#fff;
  background:
    radial-gradient(700px 360px at 85% 10%,rgba(20,184,166,.35),transparent 62%),
    linear-gradient(140deg,#071630,#0d2447 60%,#123a63);
}
.contact-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:52px;align-items:center;padding:82px 0}
.contact h2{color:#fff;font-size:34px;letter-spacing:.5px}
.contact p.lead{color:#b9cbe3;margin-top:16px;font-size:16px}
.contact-list{display:grid;gap:18px;margin-top:34px}
.contact-list li{display:flex;gap:14px;align-items:flex-start;font-size:15px;color:#d7e4f5}
.contact-list .ci{
  width:38px;height:38px;flex:none;border-radius:10px;background:rgba(255,255,255,.12);
  display:flex;align-items:center;justify-content:center;
}
.contact-list .ci svg{width:18px;height:18px}
.contact-list b{display:block;color:#fff;font-size:15px;font-weight:600}
.contact-list span{font-size:13.5px;color:#a8bdd8}

.form-card{
  background:#fff;border-radius:18px;padding:34px;box-shadow:0 30px 70px rgba(0,0,0,.28);color:var(--text);
}
.form-card h3{font-size:20px;margin-bottom:6px}
.form-card .fsub{font-size:13.5px;color:var(--muted);margin-bottom:22px}
.field{display:grid;gap:8px;margin-bottom:16px}
.field label{font-size:13.5px;font-weight:600;color:#33445c}
.field input,.field textarea,.field select{
  width:100%;padding:12px 14px;border:1px solid var(--line);border-radius:10px;
  font-family:inherit;font-size:14.5px;color:var(--text);background:#fafcff;transition:.2s;
}
.field input:focus,.field textarea:focus,.field select:focus{
  outline:none;border-color:var(--brand);background:#fff;box-shadow:0 0 0 4px rgba(22,86,200,.1);
}
.field textarea{resize:vertical;min-height:96px}
.form-note{font-size:12.5px;color:#8494a8;margin-top:14px;text-align:center}

/* ---------- FAQ ---------- */
.faq{display:grid;gap:12px;max-width:880px;margin:0 auto}
.faq details{
  background:#fff;border:1px solid var(--line);border-radius:12px;padding:18px 22px;transition:.25s;
}
.faq details[open]{border-color:#cfdcf2;box-shadow:var(--shadow)}
.faq summary{
  cursor:pointer;font-weight:600;font-size:15.5px;color:var(--ink);list-style:none;
  display:flex;justify-content:space-between;gap:16px;align-items:center;
}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";font-weight:400;font-size:22px;color:var(--brand);line-height:1}
.faq details[open] summary::after{content:"–"}
.faq .faq-body{padding-top:13px;font-size:14.5px;color:var(--muted)}

/* ---------- CTA 条 ---------- */
.cta-bar{
  background:linear-gradient(120deg,#eef5ff,#e9fbf8);
  border:1px solid #dae8fa;border-radius:20px;padding:38px 42px;
  display:flex;align-items:center;justify-content:space-between;gap:26px;flex-wrap:wrap;
}
.cta-bar h3{font-size:23px}
.cta-bar p{color:var(--muted);font-size:14.5px;margin-top:6px}

/* ---------- 页脚 ---------- */
.site-footer{background:#071630;color:#8ea6c4;padding:64px 0 26px;font-size:14px}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:40px}
.site-footer h5{color:#fff;font-size:14.5px;margin:0 0 16px;letter-spacing:.8px}
.site-footer .logo{color:#fff;margin-bottom:16px}
.site-footer .logo small{color:#7d94b2}
.footer-about{font-size:13.5px;line-height:1.85;color:#8ea6c4;max-width:330px}
.footer-links{display:grid;gap:11px}
.footer-links a{color:#9db3ce;font-size:13.5px;transition:.2s}
.footer-links a:hover{color:#fff}
.footer-contact{display:grid;gap:11px;font-size:13.5px;color:#9db3ce}
.footer-bottom{
  margin-top:46px;padding-top:22px;border-top:1px solid rgba(255,255,255,.1);
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;font-size:12.5px;color:#6f88a6;
}

/* ---------- 页面 Banner（内页） ---------- */
.page-hero{
  position:relative;overflow:hidden;color:#fff;
  background:
    radial-gradient(700px 380px at 15% 0%,rgba(47,123,246,.5),transparent 60%),
    radial-gradient(600px 320px at 90% 20%,rgba(20,184,166,.32),transparent 62%),
    linear-gradient(140deg,#071630,#0c2346 55%,#123a63);
  padding:74px 0;
}
.page-hero .crumb{font-size:13px;color:#9db3ce;letter-spacing:.6px;margin-bottom:16px}
.page-hero .crumb a:hover{color:#fff}
.page-hero h1{color:#fff;font-size:42px;letter-spacing:1px}
.page-hero p{color:#b9cbe3;margin-top:16px;max-width:720px;font-size:16px}

/* ---------- 动画 ---------- */
.reveal{opacity:0;transform:translateY(18px);transition:opacity .6s ease,transform .6s ease}
.reveal.in{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){
  .reveal{opacity:1;transform:none;transition:none}
  html{scroll-behavior:auto}
}

/* ---------- 响应式 ---------- */
@media (max-width:1040px){
  .hero h1{font-size:44px}
  .grid-4{grid-template-columns:repeat(2,1fr)}
  .steps{grid-template-columns:repeat(2,1fr)}
  .footer-grid{grid-template-columns:1fr 1fr;gap:36px}
}
@media (max-width:900px){
  .nav-toggle{display:flex}
  .nav-links{
    position:absolute;top:74px;left:0;right:0;background:#fff;border-bottom:1px solid var(--line);
    flex-direction:column;align-items:stretch;gap:0;padding:8px 24px 18px;
    box-shadow:0 18px 40px rgba(12,32,64,.12);
    transform:translateY(-12px);opacity:0;pointer-events:none;transition:.25s;
  }
  .nav-links.open{transform:none;opacity:1;pointer-events:auto}
  .nav-links a{padding:13px 0;border-bottom:1px solid #f0f4fa}
  .nav-links a::after{display:none}
  .nav-phone{display:none}
  .hero-grid{grid-template-columns:1fr;padding:66px 0 76px;gap:40px}
  .hero h1{font-size:38px}
  .grid-2,.grid-3,.price-grid,.doc-grid,.about-grid,.contact-grid{grid-template-columns:1fr}
  .contact-grid{padding:60px 0;gap:36px}
  .section{padding:64px 0}
  .section-title{font-size:28px}
  .page-hero h1{font-size:32px}
  .cta-bar{padding:30px 26px}
}
@media (max-width:560px){
  .container{padding:0 18px}
  .hero h1{font-size:31px}
  .hero-meta{gap:22px}
  .hero-meta b{font-size:20px}
  .section-title{font-size:24px}
  .stats,.grid-4,.steps{grid-template-columns:1fr 1fr}
  .stat b{font-size:26px}
  .form-card{padding:24px}
  .footer-grid{grid-template-columns:1fr}
  .footer-bottom{flex-direction:column}
  .btn{width:100%}
  .hero-actions .btn{width:auto;flex:1}
}