/* ============================================================
   9d91.com · 八大员报考咨询（南阳 / 平顶山）
   全站共享基础样式 base.css
   风格：活力橙 + 活力绿 + 纯白 · 年轻社群感 · 私域转化向
   仅提供设计令牌与通用组件；各页面的 main 区布局由页面专属 css 原创实现
   ============================================================ */

/* ---------- 设计令牌 ---------- */
:root{
  --orange:#FF7A1C;          /* 活力橙 主色 */
  --orange-2:#FF9B4D;        /* 活力橙 亮阶 */
  --orange-deep:#E85D04;     /* 活力橙 深阶 */
  --orange-soft:#FFF4EA;     /* 活力橙 浅底 */
  --green:#12B76A;           /* 活力绿 主色 */
  --green-2:#3ED598;         /* 活力绿 亮阶 */
  --green-deep:#0B8F56;      /* 活力绿 深阶 */
  --green-soft:#E9F9F1;      /* 活力绿 浅底 */
  --white:#FFFFFF;           /* 纯白 */
  --ink:#16241C;             /* 墨绿黑 正文 */
  --ink-2:#52645A;           /* 次级文字 */
  --ink-3:#8A9A90;           /* 弱化文字 */
  --line:#E7EFEA;            /* 分隔线 */
  --bg-soft:#F5FAF7;         /* 全局浅底 */
  --bg-orange:#FFF8F1;       /* 橙色浅底 */
  --bg-green:#EFFBF4;        /* 绿色浅底 */
  --shadow-sm:0 2px 10px rgba(22,36,28,.06);
  --shadow-md:0 10px 30px rgba(22,36,28,.10);
  --shadow-lg:0 24px 60px rgba(22,36,28,.14);
  --radius:16px;
  --radius-lg:24px;
  --font:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans CJK SC","Source Han Sans SC",sans-serif;
}

/* ---------- 基础重置 ---------- */
*,*::before,*::after{ box-sizing:border-box; margin:0; padding:0; }
html{ scroll-behavior:smooth; -webkit-text-size-adjust:100%; }
body{
  font-family:var(--font);
  font-size:16px; line-height:1.75; color:var(--ink);
  background:var(--white);
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
img{ max-width:100%; height:auto; display:block; }
a{ color:inherit; text-decoration:none; transition:color .25s ease, background-color .25s ease, border-color .25s ease, transform .25s ease, box-shadow .25s ease; }
ul,ol{ list-style:none; }
button{ font-family:inherit; border:none; background:none; cursor:pointer; }
input,select,textarea{ font-family:inherit; font-size:1rem; }
h1,h2,h3,h4{ line-height:1.35; font-weight:700; }
::selection{ background:var(--orange); color:#fff; }

/* ---------- 布局工具 ---------- */
.container{ width:min(1200px, 92%); margin:0 auto; }
.section{ padding:72px 0; }
.section-tight{ padding:48px 0; }
.ta-c{ text-align:center; }
.ta-l{ text-align:left; }

/* ---------- 按钮体系 ---------- */
.btn{
  display:inline-flex; align-items:center; justify-content:center; gap:8px;
  padding:12px 26px; border-radius:999px; font-weight:700; font-size:15px;
  line-height:1.2; white-space:nowrap; border:2px solid transparent;
  transition:all .28s ease; position:relative; overflow:hidden;
}
.btn-primary{ background:linear-gradient(135deg,var(--orange),var(--orange-deep)); color:#fff; box-shadow:0 8px 20px rgba(255,122,28,.32); }
.btn-primary:hover{ transform:translateY(-2px); box-shadow:0 12px 26px rgba(255,122,28,.42); }
.btn-green{ background:linear-gradient(135deg,var(--green),var(--green-deep)); color:#fff; box-shadow:0 8px 20px rgba(18,183,106,.30); }
.btn-green:hover{ transform:translateY(-2px); box-shadow:0 12px 26px rgba(18,183,106,.40); }
.btn-ghost{ border-color:var(--orange); color:var(--orange-deep); background:transparent; }
.btn-ghost:hover{ background:var(--orange-soft); transform:translateY(-2px); }
.btn-ghost-green{ border-color:var(--green); color:var(--green-deep); background:transparent; }
.btn-ghost-green:hover{ background:var(--green-soft); transform:translateY(-2px); }
.btn-white{ background:#fff; color:var(--ink); box-shadow:var(--shadow-sm); }
.btn-white:hover{ transform:translateY(-2px); box-shadow:var(--shadow-md); }
.btn-lg{ padding:15px 34px; font-size:16px; }
.btn-arrow::after{ content:"→"; font-weight:700; transition:transform .25s ease; }
.btn-arrow:hover::after{ transform:translateX(4px); }
.btn-sm{ padding:8px 16px; font-size:13px; }

/* ---------- 区块标题（各页可自定义组合，此为默认形态） ---------- */
.sec-kicker{
  display:inline-flex; align-items:center; gap:8px;
  font-size:13px; font-weight:700; letter-spacing:2px; color:var(--orange-deep);
  text-transform:uppercase; margin-bottom:10px;
}
.sec-kicker::before{ content:""; width:22px; height:3px; border-radius:3px; background:linear-gradient(90deg,var(--orange),var(--green)); }
.sec-kicker.k-green{ color:var(--green-deep); }
.sec-title{ font-size:32px; font-weight:800; letter-spacing:.5px; }
.sec-sub{ margin-top:10px; color:var(--ink-2); font-size:15px; max-width:720px; }

/* ---------- 顶部导航 ---------- */
.site-header{
  position:fixed; inset:0 0 auto 0; z-index:1000;
  background:rgba(255,255,255,.92);
  -webkit-backdrop-filter:blur(14px); backdrop-filter:blur(14px);
  border-bottom:1px solid transparent;
  transition:background .3s ease, box-shadow .3s ease, border-color .3s ease;
}
.site-header.scrolled{ background:rgba(255,255,255,.98); box-shadow:var(--shadow-sm); border-bottom-color:var(--line); }
.header-inner{ display:flex; align-items:center; justify-content:space-between; height:72px; gap:16px; }
.brand{ display:flex; align-items:center; gap:10px; flex-shrink:0; }
.brand-logo{ width:44px; height:44px; border-radius:12px; object-fit:cover; }
.brand-text{ display:flex; flex-direction:column; line-height:1.15; }
.brand-text em{ font-style:normal; font-weight:800; font-size:19px; color:var(--ink); letter-spacing:1px; }
.brand-text em b{ color:var(--orange-deep); }
.brand-text small{ font-size:11px; color:var(--ink-3); letter-spacing:1px; margin-top:2px; }

.site-nav{ display:flex; align-items:center; gap:6px; }
.nav-list{ display:flex; align-items:center; gap:2px; }
.nav-list > li{ position:relative; }
.nav-link{
  display:block; padding:10px 12px; font-size:14.5px; font-weight:600; color:var(--ink-2);
  border-radius:10px; position:relative;
}
.nav-link:hover{ color:var(--orange-deep); background:var(--orange-soft); }
.nav-list > li > .nav-link[aria-current="page"]{ color:var(--orange-deep); }
.nav-list > li > .nav-link[aria-current="page"]::after{
  content:""; position:absolute; left:14px; right:14px; bottom:4px; height:3px;
  border-radius:3px; background:linear-gradient(90deg,var(--orange),var(--green));
}
.has-sub > .nav-link::before{
  content:""; display:inline-block; width:6px; height:6px; margin-right:7px;
  border-right:2px solid currentColor; border-bottom:2px solid currentColor;
  transform:rotate(45deg) translateY(-2px); opacity:.55;
}
.submenu{
  position:absolute; top:calc(100% + 10px); left:50%; transform:translateX(-50%) translateY(8px);
  min-width:220px; background:#fff; border:1px solid var(--line); border-radius:14px;
  box-shadow:var(--shadow-lg); padding:10px; opacity:0; visibility:hidden;
  transition:all .28s ease; z-index:50;
}
.has-sub:hover .submenu, .has-sub:focus-within .submenu{ opacity:1; visibility:visible; transform:translateX(-50%) translateY(0); }
.submenu a{
  display:flex; align-items:center; justify-content:space-between; gap:10px;
  padding:9px 12px; border-radius:9px; font-size:14px; color:var(--ink-2); font-weight:500;
}
.submenu a::after{ content:"›"; opacity:0; transition:all .25s ease; }
.submenu a:hover{ background:var(--bg-soft); color:var(--green-deep); }
.submenu a:hover::after{ opacity:1; transform:translateX(3px); }
.submenu-grid{ width:280px; display:grid; grid-template-columns:1fr 1fr; }
.submenu-grid a{ text-align:center; justify-content:center; }
.submenu-grid a::after{ display:none; }

.nav-cta{
  margin-left:10px; padding:10px 22px; border-radius:999px; font-size:14px; font-weight:700;
  background:linear-gradient(135deg,var(--orange),var(--orange-deep)); color:#fff;
  box-shadow:0 6px 16px rgba(255,122,28,.30); white-space:nowrap;
}
.nav-cta:hover{ transform:translateY(-2px); box-shadow:0 10px 22px rgba(255,122,28,.40); color:#fff; }

.nav-toggle{ display:none; width:42px; height:42px; flex-direction:column; align-items:center; justify-content:center; gap:5px; border-radius:10px; background:var(--bg-soft); }
.nav-toggle span{ width:20px; height:2px; background:var(--ink); border-radius:2px; transition:all .3s ease; }
.nav-toggle.open span:nth-child(1){ transform:translateY(7px) rotate(45deg); }
.nav-toggle.open span:nth-child(2){ opacity:0; }
.nav-toggle.open span:nth-child(3){ transform:translateY(-7px) rotate(-45deg); }

/* ---------- 面包屑 ---------- */
.crumbs{
  display:flex; flex-wrap:wrap; align-items:center; gap:8px;
  font-size:13px; color:var(--ink-3); padding:14px 0;
}
.crumbs a{ color:var(--ink-2); }
.crumbs a:hover{ color:var(--orange-deep); }
.crumbs span.sep{ color:var(--line); }

/* ---------- 表单（通用，各页可加专属类调整视觉） ---------- */
.field{ display:flex; flex-direction:column; gap:6px; }
.field label{ font-size:14px; font-weight:600; color:var(--ink); }
.field input, .field select, .field textarea{
  border:2px solid var(--line); border-radius:12px; padding:11px 14px;
  font-size:15px; background:#fff; color:var(--ink); outline:none; transition:border-color .25s ease, box-shadow .25s ease; width:100%;
}
.field input:focus, .field select:focus, .field textarea:focus{
  border-color:var(--green); box-shadow:0 0 0 4px rgba(18,183,106,.12);
}
.field-row{ display:grid; grid-template-columns:1fr 1fr; gap:16px; }
.field textarea{ resize:vertical; min-height:110px; }

/* ---------- 滚动渐入动画 ---------- */
.reveal, .reveal-left, .reveal-right, .reveal-zoom{ opacity:0; transform:translateY(34px); transition:opacity .7s ease, transform .7s cubic-bezier(.22,.68,.32,1); will-change:opacity,transform; }
.reveal-left{ transform:translateX(-40px); }
.reveal-right{ transform:translateX(40px); }
.reveal-zoom{ transform:scale(.94); }
.reveal.in, .reveal-left.in, .reveal-right.in, .reveal-zoom.in{ opacity:1; transform:none; }

/* ---------- Toast ---------- */
.toast{
  position:fixed; left:50%; bottom:36px; transform:translateX(-50%) translateY(20px);
  background:var(--ink); color:#fff; padding:14px 26px; border-radius:999px;
  font-size:14px; box-shadow:var(--shadow-lg); opacity:0; visibility:hidden;
  transition:all .35s ease; z-index:2000;
}
.toast.show{ opacity:1; visibility:visible; transform:translateX(-50%) translateY(0); }

/* ---------- 返回顶部 ---------- */
#backTop{
  position:fixed; right:24px; bottom:28px; z-index:900;
  width:48px; height:48px; border-radius:14px; font-size:20px; font-weight:700;
  background:linear-gradient(135deg,var(--green),var(--green-deep)); color:#fff;
  box-shadow:var(--shadow-md); opacity:0; visibility:hidden; transform:translateY(14px);
  transition:all .3s ease;
}
#backTop.show{ opacity:1; visibility:visible; transform:translateY(0); }
#backTop:hover{ transform:translateY(-3px); box-shadow:var(--shadow-lg); }

/* ---------- 页脚 ---------- */
.site-footer{ background:#0F1F17; color:#B9C8BF; margin-top:0; }
.footer-grid{
  display:grid; grid-template-columns:1.6fr 1fr 1fr 1fr; gap:40px;
  padding:60px 0 44px;
}
.footer-col h3{
  font-size:15px; color:#fff; margin-bottom:16px; letter-spacing:1px; position:relative; padding-bottom:10px;
}
.footer-col h3::after{ content:""; position:absolute; left:0; bottom:0; width:28px; height:3px; border-radius:3px; background:linear-gradient(90deg,var(--orange),var(--green)); }
.footer-col ul li{ margin-bottom:9px; }
.footer-col ul a{ font-size:14px; color:#B9C8BF; }
.footer-col ul a:hover{ color:var(--orange-2); padding-left:4px; }
.footer-brand .footer-logo{ display:flex; align-items:center; gap:10px; margin-bottom:14px; }
.footer-brand .footer-logo img{ width:42px; height:42px; border-radius:12px; }
.footer-brand .footer-logo span{ font-weight:800; font-size:17px; color:#fff; letter-spacing:1px; }
.footer-brand p{ font-size:13.5px; line-height:1.9; color:#93A79B; max-width:340px; }
.footer-contact{ margin-top:18px; display:flex; flex-direction:column; gap:8px; }
.footer-contact a{
  display:inline-flex; align-items:center; gap:8px; font-size:14px; color:#fff; font-weight:600;
  background:rgba(255,255,255,.06); border:1px solid rgba(255,255,255,.12); border-radius:999px; padding:8px 16px; width:fit-content;
}
.footer-contact a:hover{ border-color:var(--orange); color:var(--orange-2); }
.footer-bar{ border-top:1px solid rgba(255,255,255,.08); padding:18px 0; }
.footer-bar .container{ display:flex; flex-wrap:wrap; align-items:center; justify-content:space-between; gap:8px; }
.footer-bar p{ font-size:13px; color:#7E9386; }
.footer-icp{ color:#7E9386; }
.footer-icp a{ color:#7E9386; }
.footer-icp a:hover{ color:var(--orange-2); }

/* ---------- 响应式 ---------- */
@media (max-width:1080px){
  .footer-grid{ grid-template-columns:1fr 1fr; gap:32px; }
}
@media (max-width:980px){
  .nav-toggle{ display:flex; }
  .site-nav{
    position:fixed; top:72px; left:0; right:0; bottom:0;
    background:#fff; flex-direction:column; align-items:stretch; gap:0;
    padding:20px 4%; overflow-y:auto; transform:translateX(100%);
    transition:transform .35s ease; box-shadow:var(--shadow-lg);
  }
  .site-nav.open{ transform:translateX(0); }
  .nav-list{ flex-direction:column; align-items:stretch; gap:2px; }
  .nav-list > li{ border-bottom:1px solid var(--bg-soft); }
  .nav-link{ padding:14px 10px; font-size:16px; }
  .has-sub > .nav-link::before{ display:none; }
  .submenu, .submenu-grid{
    position:static; transform:none; width:100%; min-width:0; opacity:1; visibility:visible;
    box-shadow:none; border:none; border-radius:0; padding:0 0 6px 18px; display:none;
  }
  .has-sub.open .submenu{ display:block; }
  .nav-cta{ margin:18px 0 30px; text-align:center; }
}
@media (max-width:640px){
  .section{ padding:52px 0; }
  .sec-title{ font-size:26px; }
  .field-row{ grid-template-columns:1fr; }
  .footer-grid{ grid-template-columns:1fr; gap:28px; }
  .footer-bar .container{ flex-direction:column; align-items:flex-start; }
}
@media (prefers-reduced-motion: reduce){
  *{ animation-duration:.01ms !important; transition-duration:.01ms !important; }
  html{ scroll-behavior:auto; }
}