/* =========================================================
   公考搭子官网 · 全局设计系统 site.css
   主色 Teal #26A69A · 强调珊瑚橙 #FF7F55 · 深青 #14504C
   背景 #F7FAFA · 正文 #1F2D2D · 圆角 卡12px/按钮8px · 内容 1200px
   ========================================================= */
:root{
  --teal:#26A69A; --teal-deep:#0E7A70; --deep:#14504C;
  --orange:#FF7F55; --orange-deep:#E8613A;
  --bg:#F7FAFA; --card:#FFFFFF; --line:#B7E0DD;
  --text:#1F2D2D; --muted:#5B7673;
  --radius:12px; --radius-s:8px;
  --shadow:0 4px 14px rgba(20,80,76,.07);
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;
  background:var(--bg);color:var(--text);line-height:1.7;font-size:16px;
  -webkit-font-smoothing:antialiased;
}
a{color:var(--teal-deep);text-decoration:none}
img{max-width:100%;display:block}
.wrap{max-width:1200px;margin:0 auto;padding:0 24px}

/* ---------- 顶部导航 ---------- */
.nav{
  position:sticky;top:0;z-index:50;background:rgba(255,255,255,.96);
  backdrop-filter:blur(8px);border-bottom:1px solid #E4F0EF;
}
.nav .wrap{display:flex;align-items:center;height:66px;gap:28px}
.brand{display:flex;align-items:center;gap:10px}
.brand img{height:32px;display:block}
.nav-menu{display:flex;align-items:center;gap:4px;margin-left:auto}
.nav-menu a{
  padding:8px 14px;border-radius:8px;font-size:15px;color:var(--text);
  transition:background .2s,color .2s;
}
.nav-menu a:hover,.nav-menu a.active{background:#E8F6F5;color:var(--teal-deep)}
.nav-cta{
  margin-left:8px;background:var(--orange);color:#fff !important;
  font-weight:700;padding:9px 18px !important;border-radius:var(--radius-s);
  transition:background .2s;
}
.nav-cta:hover{background:var(--orange-deep)}
.nav-toggle{display:none;background:none;border:0;cursor:pointer;padding:6px;margin-left:auto}
.nav-toggle svg{width:26px;height:26px;stroke:var(--teal-deep)}

/* ---------- Hero ---------- */
.hero{background:linear-gradient(180deg,#EAF7F6 0%,var(--bg) 100%);padding:64px 0 72px}
.hero .wrap{display:grid;grid-template-columns:1.1fr .9fr;gap:48px;align-items:center}
.hero h1{font-size:50px;font-weight:900;color:var(--teal-deep);line-height:1.55;letter-spacing:1px}
.hero-sub{font-size:17px;color:var(--muted);margin:18px 0 28px}
.hero-cta{display:flex;gap:14px;flex-wrap:wrap;align-items:center}
.btn{
  display:inline-block;border:0;cursor:pointer;font-size:16px;font-weight:700;
  padding:13px 26px;border-radius:var(--radius-s);transition:transform .15s,background .2s,box-shadow .2s;
}
.btn:active{transform:translateY(1px)}
.btn-teal{background:var(--teal);color:#fff}
.btn-teal:hover{background:var(--teal-deep);box-shadow:0 6px 18px rgba(38,166,154,.35)}
.btn-orange{background:var(--orange);color:#fff}
.btn-orange:hover{background:var(--orange-deep);box-shadow:0 6px 18px rgba(255,127,85,.35)}
.btn-ghost{background:transparent;color:var(--teal-deep);border:1px solid var(--teal)}
.btn-ghost:hover{background:#E8F6F5}
.hero-note{font-size:13px;color:var(--muted);margin-top:16px}

/* 手机模型 */
.phone{
  width:286px;margin:0 auto;background:#0F2E2B;border-radius:38px;
  padding:10px;box-shadow:0 20px 50px rgba(20,80,76,.28), inset 0 0 0 2px #1E4A46;
}
.phone-notch{width:96px;height:24px;background:#0F2E2B;border-radius:0 0 16px 16px;margin:-10px auto 8px}
.phone-screen{background:var(--bg);padding:10px;height:520px;overflow-y:auto;border-radius:28px}
.phone-screen::-webkit-scrollbar{width:4px}
.phone-screen::-webkit-scrollbar-thumb{background:rgba(38,166,154,.35);border-radius:4px}
.phone-screen img{width:100%;display:block;border-radius:18px}
.phone-caption{text-align:center;font-size:13px;color:var(--muted);margin-top:14px}

/* ---------- 区块通用 ---------- */
.sec{padding:64px 0}
.sec-alt{background:#fff}
.sec-deep{background:var(--deep);color:#fff}
.sec-head{max-width:640px;margin:0 auto 40px;text-align:center}
.sec-head h2{font-size:32px;font-weight:900;color:var(--teal-deep);line-height:1.4}
.sec-deep .sec-head h2{color:#fff}
.sec-head p{color:var(--muted);margin-top:10px;font-size:16px}
.sec-deep .sec-head p{color:#BFE3DF}

/* ---------- 功能卡片网格 ---------- */
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.grid-4{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.card{
  background:var(--card);border:1px solid #E4F0EF;border-radius:var(--radius);
  padding:24px;box-shadow:var(--shadow);transition:transform .2s,box-shadow .2s;
}
.card:hover{transform:translateY(-3px);box-shadow:0 10px 26px rgba(20,80,76,.12)}
.card .ic{
  width:44px;height:44px;border-radius:10px;background:#E8F6F5;color:var(--teal-deep);
  display:flex;align-items:center;justify-content:center;margin-bottom:14px;
}
.card .ic svg{width:22px;height:22px}
.card h3{font-size:18px;font-weight:800;margin-bottom:6px}
.card p{font-size:14px;color:var(--muted)}
.card .tag{
  display:inline-block;font-size:12px;background:#E8F6F5;color:var(--teal-deep);
  border-radius:20px;padding:2px 10px;margin-top:10px;
}
.sec-deep .card{background:rgba(255,255,255,.07);border-color:rgba(255,255,255,.14);box-shadow:none}
.sec-deep .card h3{color:#fff}
.sec-deep .card p{color:#BFE3DF}
.sec-deep .card .ic{background:rgba(255,255,255,.12);color:#fff}
.sec-deep .card .tag{background:rgba(255,255,255,.16);color:#fff}

/* ---------- 步骤轴 ---------- */
.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;margin-top:8px}
.step{position:relative;padding:24px;background:rgba(255,255,255,.07);border:1px solid rgba(255,255,255,.14);border-radius:var(--radius)}
.step .no{
  width:34px;height:34px;border-radius:50%;background:var(--orange);color:#fff;
  font-weight:800;display:flex;align-items:center;justify-content:center;font-size:15px;margin-bottom:12px;
}
.step h3{color:#fff;font-size:17px;margin-bottom:6px}
.step p{color:#BFE3DF;font-size:14px}
.steps .step:not(:last-child)::after{
  content:"";position:absolute;right:-18px;top:42px;width:18px;height:2px;background:rgba(255,255,255,.3);
}

/* ---------- 价格卡 ---------- */
.price-box{
  display:grid;grid-template-columns:300px 1fr;gap:32px;align-items:stretch;margin-top:8px;
}
.price-card{
  background:#fff;border-radius:var(--radius);padding:32px;text-align:center;
  box-shadow:0 10px 30px rgba(0,0,0,.25);align-self:center;
}
.price-card .p-rmb{font-size:44px;font-weight:900;color:var(--orange)}
.price-card .p-rmb small{font-size:16px;color:var(--muted);font-weight:600}
.price-card .p-label{font-size:14px;color:var(--muted);margin-top:6px}
.price-card .p-tag{display:inline-block;font-size:12px;background:#FFE9E1;color:var(--orange-deep);border-radius:20px;padding:3px 12px;margin-top:14px;font-weight:600}
.price-note{display:flex;align-items:center;font-size:14px;color:#BFE3DF;background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.14);border-radius:var(--radius);padding:18px 20px}

/* ---------- 对比/双列 ---------- */
.split{display:grid;grid-template-columns:1fr 1fr;gap:24px}
.panel{background:var(--card);border:1px solid #E4F0EF;border-radius:var(--radius);padding:28px;box-shadow:var(--shadow)}
.panel h3{font-size:20px;font-weight:800;color:var(--teal-deep);margin-bottom:14px;display:flex;align-items:center;gap:10px}
.panel h3 svg{width:22px;height:22px;color:var(--teal)}
.panel ul{list-style:none}
.panel li{display:flex;gap:10px;align-items:flex-start;padding:7px 0;font-size:14.5px;color:var(--text)}
.panel li::before{content:"";width:8px;height:8px;border-radius:50%;background:var(--teal);margin-top:8px;flex:none}

/* ---------- 表单 ---------- */
.form-card{max-width:560px;margin:0 auto;background:#fff;border-radius:var(--radius);box-shadow:0 10px 30px rgba(20,80,76,.12);padding:32px}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.field{margin-bottom:14px}
.field label{display:block;font-size:14px;font-weight:600;margin-bottom:6px}
.field input,.field textarea,.field select{
  width:100%;border:1px solid var(--line);border-radius:var(--radius-s);
  padding:11px 14px;font-size:15px;font-family:inherit;background:#FBFDFD;color:var(--text);
  outline:none;transition:border .2s,box-shadow .2s;
}
.field input:focus,.field textarea:focus{border-color:var(--teal);box-shadow:0 0 0 3px rgba(38,166,154,.15)}
.form-benefits{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:18px}
.form-benefits span{font-size:12.5px;background:#E8F6F5;color:var(--teal-deep);border-radius:20px;padding:4px 12px}
.form-msg{margin-top:12px;font-size:14px;display:none}
.form-msg.ok{display:block;color:var(--teal-deep);background:#E8F6F5;border-radius:var(--radius-s);padding:10px 14px}
.form-msg.err{display:block;color:#C0392B;background:#FDEBEA;border-radius:var(--radius-s);padding:10px 14px}
.form-tip{font-size:12.5px;color:var(--muted);margin-top:12px}

/* ---------- 公告列表 ---------- */
.notice-search{margin-bottom:14px}
.notice-search input{width:100%;max-width:560px;padding:11px 16px;border:1px solid var(--line);border-radius:var(--radius);font-size:14.5px;background:#fff;color:var(--text);font-family:inherit;outline:none;transition:border .2s,box-shadow .2s}
.notice-search input:focus{border-color:var(--teal);box-shadow:0 0 0 3px rgba(38,166,154,.12)}
.notice-bar{display:flex;gap:12px;flex-wrap:wrap;margin-bottom:8px}
.notice-bar input,.notice-bar select{
  border:1px solid var(--line);border-radius:var(--radius-s);padding:9px 14px;font-size:14px;
  background:#fff;color:var(--text);font-family:inherit;outline:none;
}
.notice-bar input{flex:1;min-width:220px}
.notice-bar select{min-width:150px}
.notice-count{font-size:13px;color:var(--muted);margin-bottom:12px}
.notice-more{text-align:center;margin-top:20px}
.notice-list{display:flex;flex-direction:column;gap:12px}
.notice-item{background:#fff;border:1px solid #E4F0EF;border-radius:var(--radius);padding:18px 20px;box-shadow:var(--shadow);cursor:pointer;transition:border .2s}
.notice-item:hover{border-color:var(--teal)}
.notice-item .n-meta{display:flex;gap:10px;flex-wrap:wrap;align-items:center;font-size:12.5px;color:var(--muted);margin-bottom:6px}
.notice-item .n-cat{background:#E8F6F5;color:var(--teal-deep);border-radius:20px;padding:2px 10px}
.notice-item h3{font-size:16.5px;font-weight:700;color:var(--text)}
.notice-item .n-src{font-size:12.5px;color:var(--muted);margin-top:4px}
.notice-item .n-body{display:none;margin-top:12px;padding-top:12px;border-top:1px dashed var(--line);font-size:14px;color:#3A4A49;white-space:pre-wrap;word-break:break-word}
.notice-item.open .n-body{display:block}
.notice-empty{text-align:center;color:var(--muted);padding:40px 0}

/* ---------- 下载页 ---------- */
.dl-hero{text-align:center;padding:56px 0 24px}
.dl-hero h1{font-size:34px;font-weight:900;color:var(--teal-deep)}
.dl-hero p{color:var(--muted);margin-top:10px}
.dl-box{max-width:420px;margin:28px auto 0;background:#fff;border-radius:var(--radius);box-shadow:var(--shadow);padding:28px;text-align:center}
.dl-box .dl-ic{width:72px;height:72px;margin:0 auto 14px;border-radius:18px;background:linear-gradient(135deg,var(--teal),var(--teal-deep));display:flex;align-items:center;justify-content:center;color:#fff}
.dl-box .dl-ic svg{width:38px;height:38px}
.dl-box h3{font-size:19px;font-weight:800}
.dl-box .dl-meta{font-size:13px;color:var(--muted);margin:6px 0 18px}
.dl-steps{max-width:640px;margin:40px auto 0}
.dl-steps h2{font-size:22px;font-weight:800;color:var(--teal-deep);text-align:center;margin-bottom:20px}

/* ---------- 页脚 ---------- */
footer{background:var(--deep);color:#BFE3DF;padding:32px 0}
.foot{display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;gap:12px}
.f-name{font-size:16px;font-weight:800;color:#fff}
.foot small{font-size:13px}
.foot-links{display:flex;gap:20px}
.foot-links a{color:#BFE3DF;font-size:13px}
.foot-links a:hover{color:#fff}
.foot-legal{display:flex;flex-wrap:wrap;gap:8px 24px;margin-top:14px;padding-top:14px;border-top:1px solid rgba(255,255,255,.14);font-size:12px;color:#8FB8B4}
.foot-legal span{white-space:nowrap}

/* ---------- 响应式 ---------- */
@media (max-width:960px){
  .nav-toggle{display:block}
  .nav-menu{
    position:absolute;top:66px;left:0;right:0;background:#fff;border-bottom:1px solid #E4F0EF;
    flex-direction:column;align-items:stretch;padding:10px 24px 18px;display:none;box-shadow:0 14px 24px rgba(20,80,76,.1);
  }
  .nav-menu.open{display:flex}
  .nav-menu a{padding:12px 14px}
  .nav-cta{margin:8px 0 0}
  .hero{padding:40px 0 48px}
  .hero .wrap{grid-template-columns:1fr;gap:36px;text-align:center}
  .hero-cta{justify-content:center}
  .grid-3,.grid-4{grid-template-columns:1fr 1fr}
  .price-box{grid-template-columns:1fr}
  .split{grid-template-columns:1fr}
  .steps{grid-template-columns:1fr}
  .steps .step:not(:last-child)::after{display:none}
  .sec{padding:48px 0}
}
@media (max-width:560px){
  .grid-3,.grid-4{grid-template-columns:1fr}
  .form-row{grid-template-columns:1fr}
  .hero h1{font-size:36px}
}