/* ==========================================================================
   工试云启 特种作业考证咨询 — 全站共用样式（墨黑 / 纯白 / 浅金）
   本文件为全站唯一基础层：设计令牌、reset、排版、通用组件、导航、页脚、动效。
   每个页面的独有模块样式放在 css/pages/<页面名>.css，禁止在本文件外内联样式。
   ========================================================================== */

/* ---------- 1. 设计令牌 ---------- */
:root{
  --ink:#0d0d0c;          /* 墨黑 */
  --ink-2:#191914;        /* 次级墨 */
  --ink-soft:#26261f;     /* 深灰墨 */
  --paper:#ffffff;        /* 纯白 */
  --paper-soft:#f7f5f0;   /* 暖纸白 */
  --paper-warm:#f1ede3;   /* 深一档纸白 */
  --gold:#c9a45c;         /* 浅金主色 */
  --gold-deep:#a9853f;    /* 深金 */
  --gold-pale:#eadfc6;    /* 淡金 */
  --gold-line:#d8c69a;    /* 金线 */
  --line:#e5e0d4;         /* 分隔线 */
  --muted:#6f6d66;        /* 弱文本 */
  --text:#26261f;         /* 正文 */
  --serif:"Songti SC","Noto Serif SC","Source Han Serif SC",SimSun,serif;
  --sans:"PingFang SC","Microsoft YaHei","Hiragino Sans GB",sans-serif;
  --shadow-sm:0 1px 2px rgba(13,13,12,.05),0 4px 14px rgba(13,13,12,.06);
  --shadow-md:0 6px 24px rgba(13,13,12,.10);
  --radius:12px;
  --radius-sm:8px;
  --header-h:72px;
  --container-w:1200px;
}

/* ---------- 2. reset ---------- */
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  font-family:var(--sans);
  font-size:16px;line-height:1.75;color:var(--text);
  background:var(--paper);-webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none;transition:color .25s ease}
ul,ol{list-style:none}
button{font-family:inherit;background:none;border:0;cursor:pointer;color:inherit}
input,select,textarea{font-family:inherit;font-size:1rem;color:var(--text)}
table{border-collapse:collapse;width:100%}
h1,h2,h3,h4,h5{font-family:var(--serif);font-weight:700;color:var(--ink);line-height:1.35;letter-spacing:.01em}
p{margin:0 0 1em}
:focus-visible{outline:2px solid var(--gold-deep);outline-offset:2px}
::selection{background:var(--gold-pale);color:var(--ink)}

/* ---------- 3. 布局工具 ---------- */
.container{width:100%;max-width:var(--container-w);margin:0 auto;padding:0 24px}
.section{padding:88px 0}
.section-tight{padding:56px 0}
.bg-paper{background:var(--paper)}
.bg-soft{background:var(--paper-soft)}
.bg-warm{background:var(--paper-warm)}
.bg-ink{background:var(--ink);color:#d9d6cf}
.bg-ink h1,.bg-ink h2,.bg-ink h3,.bg-ink h4{color:var(--paper)}

/* ---------- 4. 通用组件 ---------- */
/* 按钮 */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:13px 28px;border-radius:999px;font-weight:600;font-size:15px;
  border:1px solid transparent;transition:all .28s ease;line-height:1.2;white-space:nowrap;
}
.btn-gold{background:var(--gold);color:var(--ink)}
.btn-gold:hover{background:var(--gold-deep);color:var(--paper);transform:translateY(-2px);box-shadow:var(--shadow-md)}
.btn-ghost{border-color:rgba(255,255,255,.55);color:var(--paper)}
.btn-ghost:hover{background:rgba(255,255,255,.12);border-color:var(--paper);transform:translateY(-2px)}
.btn-ink{background:var(--ink);color:var(--paper)}
.btn-ink:hover{background:var(--ink-soft);transform:translateY(-2px);box-shadow:var(--shadow-md)}
.btn-line{border-color:var(--gold-line);color:var(--ink)}
.btn-line:hover{background:var(--paper-warm);border-color:var(--gold-deep);transform:translateY(-2px)}
.btn-sm{padding:9px 18px;font-size:13.5px}

/* 小节头 */
.sec-head{max-width:760px;margin:0 auto 52px;text-align:center}
.sec-head .kicker{
  display:inline-flex;align-items:center;gap:10px;color:var(--gold-deep);
  font-size:13px;letter-spacing:.22em;font-weight:600;margin-bottom:14px;
}
.sec-head .kicker::before,.sec-head .kicker::after{content:"";width:26px;height:1px;background:var(--gold-line)}
.sec-head h2{font-size:34px;margin-bottom:14px}
.sec-head p{color:var(--muted);font-size:15.5px;margin:0}
.sec-head.left{text-align:left;margin-left:0}
.sec-head.left .kicker::before{display:none}

/* 角标 / 标签 */
.tag{
  display:inline-block;padding:3px 12px;border-radius:999px;font-size:12.5px;
  border:1px solid var(--gold-line);color:var(--gold-deep);background:var(--paper);
  line-height:1.6;
}
.tag-solid{background:var(--gold-pale);border-color:transparent}
.tag-ink{background:var(--ink);color:var(--gold-pale);border-color:var(--ink)}

/* 提示框 */
.notice{border:1px solid var(--line);border-left:4px solid var(--gold-deep);border-radius:var(--radius-sm);padding:16px 20px;background:var(--paper-soft);margin-bottom:18px}
.notice-warn{border-left-color:#b7791f;background:#fdf6ea}
.notice-danger{border-left-color:#b23a2e;background:#fdf0ee}
.notice-ok{border-left-color:#3f7d4e;background:#eff7f1}
.notice strong{color:var(--ink)}

/* 卡片（各页面在此基础上自定义，禁止整站一种卡片样式） */
.card{background:var(--paper);border:1px solid var(--line);border-radius:var(--radius);transition:transform .3s ease,box-shadow .3s ease}
.card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md)}

/* 表格 */
.data-table{width:100%;table-layout:fixed;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;background:var(--paper)}
.data-table th{
  background:var(--ink);color:var(--gold-pale);font-weight:600;font-size:14px;
  padding:13px 16px;text-align:left;letter-spacing:.04em;
}
.data-table td{padding:12px 16px;font-size:14.5px;border-top:1px solid var(--line);vertical-align:top}
.data-table tbody tr:nth-child(even){background:var(--paper-soft)}
.data-table tbody tr:hover{background:var(--paper-warm)}

/* 折叠 FAQ */
.faq-item{border:1px solid var(--line);border-radius:var(--radius-sm);background:var(--paper);margin-bottom:12px;overflow:hidden}
.faq-item summary{
  list-style:none;cursor:pointer;display:flex;justify-content:space-between;align-items:center;
  padding:16px 20px;font-weight:600;color:var(--ink);font-size:15.5px;gap:12px;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{
  content:"";flex:0 0 auto;width:10px;height:10px;border-right:2px solid var(--gold-deep);
  border-bottom:2px solid var(--gold-deep);transform:rotate(45deg);transition:transform .3s ease;margin-top:-4px;
}
.faq-item[open] summary::after{transform:rotate(225deg);margin-top:4px}
.faq-item .faq-body{padding:0 20px 18px;color:var(--muted);font-size:14.5px}

/* 面包屑 */
.breadcrumb{display:flex;flex-wrap:wrap;gap:6px;font-size:13.5px;color:var(--muted);margin-bottom:14px}
.breadcrumb a{color:var(--muted)}
.breadcrumb a:hover{color:var(--gold-deep)}
.breadcrumb .sep{opacity:.6}

/* CTA 条 */
.cta-band{background:var(--ink);color:#d9d6cf;padding:64px 0}
.cta-band h2{color:var(--paper);font-size:30px;margin-bottom:12px}
.cta-band .cta-note{color:rgba(255,255,255,.6);font-size:14px;margin-top:16px}

/* 返回顶部 */
#backTop{
  position:fixed;right:26px;bottom:26px;width:46px;height:46px;border-radius:50%;
  background:var(--ink);color:var(--gold-pale);display:flex;align-items:center;justify-content:center;
  box-shadow:var(--shadow-md);opacity:0;visibility:hidden;transform:translateY(12px);
  transition:all .3s ease;z-index:900;
}
#backTop.show{opacity:1;visibility:visible;transform:translateY(0)}
#backTop:hover{background:var(--gold);color:var(--ink)}

/* ---------- 5. 顶部导航 ---------- */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:1000;
  background:rgba(255,255,255,.96);backdrop-filter:blur(8px);
  border-bottom:1px solid var(--line);
  transition:box-shadow .3s ease,background .3s ease,border-color .3s ease;
}
.site-header.scrolled{background:var(--paper);box-shadow:0 4px 20px rgba(13,13,12,.08);border-color:transparent}
.header-inner{display:flex;align-items:center;justify-content:space-between;height:var(--header-h);gap:20px}
.brand{display:flex;align-items:center;flex:0 0 auto}
.brand-mark{height:44px;width:auto}

.site-nav .nav-list{display:flex;align-items:center;gap:4px}
.nav-link{
  display:inline-block;padding:10px 15px;font-size:15px;font-weight:600;color:var(--ink-soft);
  border-radius:8px;position:relative;
}
.nav-link:hover{color:var(--gold-deep)}
.nav-link.active{color:var(--gold-deep)}
.nav-link.active::after{
  content:"";position:absolute;left:15px;right:15px;bottom:4px;height:2px;
  background:var(--gold);border-radius:2px;
}
.has-drop{position:relative}
.drop-toggle{display:inline-flex;align-items:center;padding:10px 6px;color:var(--muted)}
.has-drop:hover .drop-toggle,.has-drop.open .drop-toggle{color:var(--gold-deep)}
.drop-menu{
  position:absolute;top:calc(100% + 10px);left:0;min-width:210px;background:var(--paper);
  border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow-md);
  padding:10px;opacity:0;visibility:hidden;transform:translateY(10px);transition:all .28s ease;z-index:100;
}
.has-drop:hover .drop-menu,.has-drop.open .drop-menu{opacity:1;visibility:visible;transform:translateY(0)}
.drop-menu a{display:block;padding:9px 14px;font-size:14px;color:var(--ink-soft);border-radius:6px}
.drop-menu a:hover{background:var(--paper-warm);color:var(--gold-deep)}
.drop-menu a[href="baoming-liucheng.html"],.drop-menu a[href="mulu.html"],.drop-menu a[href="puyang-kaozheng.html"],.drop-menu a[href="news.html"],.drop-menu a[href="about.html"]{font-weight:600}
.nav-cta{margin-left:8px}
.nav-cta .btn{padding:10px 20px;font-size:14px}

.nav-burger{display:none;flex-direction:column;gap:5px;width:42px;height:42px;align-items:center;justify-content:center;border-radius:8px}
.nav-burger span{display:block;width:22px;height:2px;background:var(--ink);border-radius:2px;transition:transform .3s ease,opacity .3s ease}
.nav-burger.open span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.nav-burger.open span:nth-child(2){opacity:0}
.nav-burger.open span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}

/* ---------- 6. 页脚 ---------- */
.site-footer{background:var(--ink);color:#b9b6ae;margin-top:0}
.footer-main{display:grid;grid-template-columns:1.35fr 1fr 1fr 1fr 1fr;gap:44px;padding:64px 0 48px}
.footer-brand p{font-size:14px;line-height:1.9;margin:16px 0 18px;color:#a7a49b}
.footer-brand img{filter:none}
.footer-contact li{margin-bottom:8px}
.footer-contact a{font-size:15px;color:var(--gold-pale);font-weight:600}
.footer-contact a:hover{color:var(--gold)}
.footer-col h4{
  color:var(--paper);font-size:15.5px;font-family:var(--sans);font-weight:600;
  margin-bottom:18px;padding-bottom:10px;position:relative;letter-spacing:.06em;
}
.footer-col h4::after{content:"";position:absolute;left:0;bottom:0;width:26px;height:2px;background:var(--gold)}
.footer-col li{margin-bottom:9px}
.footer-col a{font-size:14px;color:#b9b6ae}
.footer-col a:hover{color:var(--gold-pale);padding-left:4px}
.footer-bottom{border-top:1px solid rgba(255,255,255,.12);padding:20px 0;font-size:13px;color:#8b887f}
.footer-bottom .container{display:flex;justify-content:space-between;flex-wrap:wrap;gap:8px}
.footer-bottom .icp{color:#8b887f}
.footer-bottom .icp a{color:var(--gold-pale)}

/* ---------- 7. 内页 hero ---------- */
.page-hero{
  position:relative;padding:150px 0 84px;background:var(--ink) center/cover no-repeat;color:#e9e6df;
}
.page-hero::before{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(13,13,12,.78),rgba(13,13,12,.55))}
.page-hero .container{position:relative;z-index:1}
.page-hero .breadcrumb{color:rgba(255,255,255,.65)}
.page-hero .breadcrumb a{color:rgba(255,255,255,.65)}
.page-hero .breadcrumb a:hover{color:var(--gold)}
.page-hero h1{color:var(--paper);font-size:40px;line-height:1.3;margin-bottom:16px;max-width:820px}
.page-hero .hero-sub{color:rgba(255,255,255,.78);font-size:16px;max-width:680px;margin:0}

/* ---------- 8. 滚动渐入动画 ---------- */
.reveal{opacity:0;transform:translateY(26px);transition:opacity .7s ease,transform .7s ease}
.reveal.in{opacity:1;transform:none}
.reveal[data-delay="1"]{transition-delay:.08s}
.reveal[data-delay="2"]{transition-delay:.16s}
.reveal[data-delay="3"]{transition-delay:.24s}
@media (prefers-reduced-motion:reduce){
  .reveal{opacity:1;transform:none;transition:none}
  html{scroll-behavior:auto}
}

/* ---------- 9. 表单 ---------- */
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin-bottom:16px}
.form-item label{display:block;font-size:14px;font-weight:600;color:var(--ink-soft);margin-bottom:7px}
.form-item label .req{color:#b23a2e}
.form-item input,.form-item select,.form-item textarea{
  width:100%;padding:12px 14px;border:1px solid var(--line);border-radius:var(--radius-sm);
  background:var(--paper);transition:border-color .25s ease,box-shadow .25s ease;
}
.form-item input:focus,.form-item select:focus,.form-item textarea:focus{
  outline:none;border-color:var(--gold-deep);box-shadow:0 0 0 3px rgba(201,164,92,.18);
}
.form-item textarea{min-height:110px;resize:vertical}
.form-hint{font-size:12.5px;color:var(--muted);margin-top:6px}
.form-submit-msg{
  display:none;margin-top:14px;padding:14px 18px;border-radius:var(--radius-sm);
  background:#eff7f1;border:1px solid #cfe3d3;color:#2e5b3a;font-size:14.5px;
}
.form-submit-msg.show{display:block}

/* ---------- 10. 相关推荐 ---------- */
.related-list{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.related-list a{
  display:flex;align-items:center;gap:12px;padding:16px 18px;border:1px solid var(--line);
  border-radius:var(--radius-sm);background:var(--paper);font-weight:600;font-size:14.5px;color:var(--ink-soft);
  transition:all .28s ease;
}
.related-list a::before{
  content:"";flex:0 0 auto;width:8px;height:8px;background:var(--gold);border-radius:2px;transform:rotate(45deg);
}
.related-list a:hover{border-color:var(--gold-deep);color:var(--gold-deep);transform:translateY(-2px);box-shadow:var(--shadow-sm)}

/* ---------- 11. 响应式 ---------- */
@media (max-width:1080px){
  .footer-main{grid-template-columns:1fr 1fr;gap:36px}
  .footer-brand{grid-column:1 / -1}
}
@media (max-width:980px){
  :root{--header-h:62px}
  .nav-burger{display:flex}
  .site-nav{
    position:fixed;top:var(--header-h);left:0;right:0;bottom:0;background:var(--paper);
    padding:20px 24px 40px;overflow-y:auto;transform:translateX(100%);transition:transform .32s ease;z-index:999;
  }
  .site-nav.open{transform:translateX(0)}
  .site-nav .nav-list{flex-direction:column;align-items:stretch;gap:2px}
  .nav-link{padding:13px 8px;font-size:16px;border-bottom:1px solid var(--line);border-radius:0}
  .nav-link.active::after{display:none}
  .nav-link.active{color:var(--gold-deep);background:var(--paper-warm)}
  .has-drop{display:block}
  .drop-toggle{position:absolute;right:4px;top:2px;padding:12px}
  .drop-menu{
    position:static;opacity:1;visibility:visible;transform:none;box-shadow:none;border:0;border-left:2px solid var(--gold-line);
    margin:0 0 8px 12px;padding:2px 0 2px 10px;display:none;min-width:0;
  }
  .has-drop.open .drop-menu{display:block}
  .drop-menu a{padding:10px 6px}
  .nav-cta{margin:18px 0 0;display:block}
  .nav-cta .btn{width:100%}
  .form-row{grid-template-columns:1fr}
  .related-list{grid-template-columns:1fr}
  .page-hero{padding:124px 0 60px}
  .page-hero h1{font-size:30px}
  .sec-head h2{font-size:26px}
  .section{padding:64px 0}
  .cta-band h2{font-size:24px}
}
@media (max-width:640px){
  .container{padding:0 18px}
  .footer-main{grid-template-columns:1fr;gap:28px}
  .data-table{font-size:13px}
  .data-table th,.data-table td{padding:9px 8px}
  .footer-bottom .container{flex-direction:column}
}