/* ============================================================
   问果咨询 ASK WENGUO — 企业官网样式
   主色 #385988 / 深蓝 #1A3A5C / 强调 #C8792E
   ============================================================ */

:root{
  --primary:#385988;
  --primary-dark:#1A3A5C;
  --accent:#C8792E;
  --accent-soft:#E4A15C;
  --ink:#1F2933;
  --ink-soft:#4A5568;
  --muted:#7A8698;
  --line:#E4E8EF;
  --bg:#FFFFFF;
  --bg-cream:#F7F5F0;
  --bg-grayblue:#F1F4F9;
  --bg-blue-soft:#EAF0F7;
  --white:#FFFFFF;
  --radius:14px;
  --radius-sm:8px;
  --shadow-sm:0 1px 3px rgba(26,58,92,.06),0 6px 20px rgba(26,58,92,.05);
  --shadow-md:0 10px 40px rgba(26,58,92,.10);
  --maxw:1180px;
  --font: "PingFang SC","Microsoft YaHei","Hiragino Sans GB","Helvetica Neue",Helvetica,Arial,sans-serif;
}

*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  font-family:var(--font);
  color:var(--ink);
  background:var(--bg);
  line-height:1.75;
  font-size:16px;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
ul{list-style:none}

/* ---------- 布局 ---------- */
.container{max-width:var(--maxw);margin:0 auto;padding:0 24px}
.section{padding:88px 0}
.section--tight{padding:64px 0}
.bg-cream{background:var(--bg-cream)}
.bg-grayblue{background:var(--bg-grayblue)}
.bg-bluesoft{background:var(--bg-blue-soft)}
.bg-dark{background:var(--primary-dark);color:#EAF0F7}

/* ---------- 通用文字 ---------- */
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;letter-spacing:.18em;text-transform:uppercase;
  color:var(--accent);font-weight:600;margin-bottom:18px;
}
.eyebrow::before{content:"";width:26px;height:1px;background:var(--accent)}
h1,h2,h3,h4{line-height:1.3;color:var(--primary-dark);font-weight:700}
.section-title{font-size:clamp(26px,3.4vw,38px);letter-spacing:-.01em}
.section-lead{color:var(--ink-soft);font-size:17px;max-width:640px;margin-top:16px}
.section-head{margin-bottom:48px}
.section-head--center{text-align:center}
.section-head--center .section-lead{margin-left:auto;margin-right:auto}
.text-accent{color:var(--accent)}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;gap:10px;
  padding:14px 28px;border-radius:40px;font-weight:600;font-size:15px;
  border:1.5px solid transparent;cursor:pointer;transition:.22s ease;
  white-space:nowrap;
}
.btn svg{width:16px;height:16px}
.btn-primary{background:var(--accent);color:#fff}
.btn-primary:hover{background:#b56b23;transform:translateY(-2px)}
.btn-outline{border-color:rgba(255,255,255,.5);color:#fff}
.btn-outline:hover{background:rgba(255,255,255,.12)}
.btn-ghost{border-color:var(--line);color:var(--primary);background:#fff}
.btn-ghost:hover{border-color:var(--primary);transform:translateY(-2px)}
.btn-dark{background:var(--primary);color:#fff}
.btn-dark:hover{background:var(--primary-dark)}
.btn-block{width:100%;justify-content:center}

/* ---------- 顶部导航 ---------- */
.header{
  position:sticky;top:0;z-index:60;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:72px}
.brand{display:flex;align-items:center;gap:12px}
.brand .logo{width:40px;height:40px}
.brand-text{display:flex;flex-direction:column;line-height:1.15}
.brand-name{font-weight:700;font-size:19px;color:var(--primary-dark);letter-spacing:.02em}
.brand-en{font-size:11px;letter-spacing:.22em;color:var(--muted);text-transform:uppercase}
.nav-links{display:flex;align-items:center;gap:30px}
.nav-links a{font-size:15px;color:var(--ink-soft);font-weight:500;transition:.2s;position:relative}
.nav-links a:hover,.nav-links a.active{color:var(--primary)}
.nav-links a.active::after{content:"";position:absolute;left:0;bottom:-6px;width:100%;height:2px;background:var(--accent);border-radius:2px}
.nav-cta{display:flex;align-items:center;gap:14px}
.nav-toggle{display:none;background:none;border:none;cursor:pointer;padding:8px}
.nav-toggle span{display:block;width:24px;height:2px;background:var(--primary-dark);margin:5px 0;transition:.3s}

/* ---------- Hero ---------- */
.hero{position:relative;overflow:hidden;background:
  radial-gradient(1200px 500px at 82% -10%,rgba(56,89,136,.10),transparent 60%),
  linear-gradient(180deg,#fff 0%,var(--bg-grayblue) 100%);}
.hero-inner{display:grid;grid-template-columns:1.15fr .85fr;gap:56px;align-items:center;padding:96px 0 90px}
.hero h1{font-size:clamp(32px,4.6vw,54px);line-height:1.18;letter-spacing:-.02em;color:var(--primary-dark)}
.hero h1 .hl{color:var(--accent)}
.hero-sub{margin-top:26px;font-size:18px;color:var(--ink-soft);max-width:560px}
.hero-actions{margin-top:38px;display:flex;gap:16px;flex-wrap:wrap}
.hero-meta{margin-top:40px;display:flex;gap:34px;flex-wrap:wrap}
.hero-meta .num{font-size:26px;font-weight:700;color:var(--primary)}
.hero-meta .lbl{font-size:13px;color:var(--muted)}
.hero-visual{position:relative}

/* ---------- 客户问题 ---------- */
.qgrid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.qcard{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  padding:28px 26px;transition:.25s;position:relative;overflow:hidden;
}
.qcard::before{content:"?";position:absolute;right:16px;top:6px;font-size:56px;font-weight:800;color:var(--bg-blue-soft);line-height:1}
.qcard:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);border-color:transparent}
.qcard p{position:relative;color:var(--ink-soft);font-size:15.5px}
.qcard .qtag{display:block;color:var(--accent);font-weight:600;font-size:13px;margin-bottom:8px}

/* ---------- 三大服务 ---------- */
.svc-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.svc{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  padding:36px 30px;display:flex;flex-direction:column;transition:.25s;
}
.svc:hover{transform:translateY(-5px);box-shadow:var(--shadow-md);border-color:transparent}
.svc-ic{width:56px;height:56px;border-radius:14px;background:var(--bg-blue-soft);display:flex;align-items:center;justify-content:center;margin-bottom:22px}
.svc-ic svg{width:28px;height:28px;stroke:var(--primary)}
.svc h3{font-size:21px;margin-bottom:12px}
.svc p{color:var(--ink-soft);font-size:15px;flex:1}
.svc ul{margin:18px 0 22px}
.svc ul li{position:relative;padding-left:22px;color:var(--ink-soft);font-size:14.5px;margin:7px 0}
.svc ul li::before{content:"";position:absolute;left:0;top:11px;width:8px;height:8px;border-radius:50%;background:var(--accent)}
.svc .svc-link{color:var(--primary);font-weight:600;font-size:14.5px;display:inline-flex;gap:6px;align-items:center;margin-top:auto}
.svc .svc-link:hover{color:var(--accent)}

/* ---------- 四步法 ---------- */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:0;position:relative;counter-reset:step}
.step{position:relative;padding:34px 24px;text-align:center}
.step:not(:last-child)::after{content:"";position:absolute;top:56px;right:-1px;width:calc(100% - 56px);height:2px;background:linear-gradient(90deg,var(--primary),var(--accent));left:calc(50% + 28px)}
.step .dot{width:64px;height:64px;border-radius:50%;background:#fff;border:2px solid var(--primary);color:var(--primary);
  display:flex;align-items:center;justify-content:center;font-size:24px;font-weight:800;margin:0 auto 18px;position:relative;z-index:2}
.step:nth-child(4) .dot{border-color:var(--accent);color:var(--accent)}
.step h4{font-size:18px;margin-bottom:8px}
.step p{font-size:14px;color:var(--ink-soft)}
.loop-note{text-align:center;margin-top:34px;color:var(--muted);font-size:14px}
.loop-note b{color:var(--primary)}

/* ---------- 管理思想 ---------- */
.ideas{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.idea{padding:28px;border-left:3px solid var(--accent);background:#fff;border-radius:0 var(--radius) var(--radius) 0;box-shadow:var(--shadow-sm)}
.idea h4{font-size:17px;margin-bottom:10px;color:var(--primary)}
.idea p{font-size:14.5px;color:var(--ink-soft)}

/* ---------- 创始人 ---------- */
.founder{display:grid;grid-template-columns:.9fr 1.1fr;gap:48px;align-items:center}
.founder-card{background:linear-gradient(160deg,var(--primary),var(--primary-dark));border-radius:var(--radius);padding:44px 40px;color:#EAF0F7;position:relative;overflow:hidden}
.founder-card::after{content:"";position:absolute;right:-40px;bottom:-40px;width:180px;height:180px;border:2px solid rgba(255,255,255,.12);border-radius:50%}
.founder-avatar{width:96px;height:96px;border-radius:50%;background:rgba(255,255,255,.14);display:flex;align-items:center;justify-content:center;font-size:38px;font-weight:700;color:#fff;margin-bottom:22px}
.founder-card h3{color:#fff;font-size:24px}
.founder-card .role{color:var(--accent-soft);font-size:14px;margin:6px 0 20px;letter-spacing:.04em}
.founder-card p{font-size:15px;color:rgba(234,240,247,.85)}
.founder-text h2{margin-bottom:18px}
.founder-text p{color:var(--ink-soft);margin-bottom:16px}
.founder-tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:22px}
.founder-tags span{padding:7px 16px;background:var(--bg-blue-soft);color:var(--primary);border-radius:30px;font-size:13.5px;font-weight:500}

/* ---------- 价值观 ---------- */
.values{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.value{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:28px}
.value .vn{font-size:13px;color:var(--accent);font-weight:700;letter-spacing:.1em}
.value h4{font-size:18px;margin:8px 0 8px}
.value p{font-size:14.5px;color:var(--ink-soft)}

/* ---------- 课程 ---------- */
.courses{display:grid;grid-template-columns:repeat(2,1fr);gap:24px}
.course{background:#fff;border-radius:var(--radius);overflow:hidden;border:1px solid var(--line);display:flex;flex-direction:column}
.course-top{background:linear-gradient(135deg,var(--primary),var(--primary-dark));padding:30px 30px 26px;color:#fff}
.course-top .ct-tag{font-size:12px;letter-spacing:.14em;color:var(--accent-soft);text-transform:uppercase}
.course-top h3{color:#fff;font-size:22px;margin-top:10px}
.course-body{padding:26px 30px 30px}
.course-body p{color:var(--ink-soft);font-size:15px}
.course-body ul{margin-top:16px}
.course-body ul li{position:relative;padding-left:22px;font-size:14.5px;color:var(--ink-soft);margin:7px 0}
.course-body ul li::before{content:"";position:absolute;left:0;top:10px;width:8px;height:8px;border-radius:2px;background:var(--accent)}

/* ---------- 案例 / 信任 ---------- */
.cases{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.case{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:30px}
.case .quote{font-size:16px;color:var(--ink);line-height:1.7;position:relative;padding-top:14px}
.case .quote::before{content:"“";position:absolute;top:-14px;left:-4px;font-size:52px;color:var(--bg-blue-soft);font-family:Georgia,serif;line-height:1}
.case .meta{margin-top:20px;padding-top:16px;border-top:1px solid var(--line);font-size:13.5px;color:var(--muted)}
.case .meta b{color:var(--primary);display:block;font-size:15px}

/* ---------- 表单 ---------- */
.form-wrap{display:grid;grid-template-columns:.85fr 1.15fr;gap:48px;align-items:start}
.form-side h2{color:#fff;margin-bottom:16px}
.form-side p{color:rgba(234,240,247,.8);font-size:15px;margin-bottom:24px}
.form-side .contact-item{display:flex;gap:14px;align-items:flex-start;margin:16px 0}
.form-side .contact-item svg{width:20px;height:20px;stroke:var(--accent-soft);flex-shrink:0;margin-top:4px}
.form-side .contact-item b{color:#fff;font-size:14px;display:block}
.form-side .contact-item span{color:rgba(234,240,247,.7);font-size:13.5px}
.form-card{background:#fff;border-radius:var(--radius);padding:38px;box-shadow:var(--shadow-md)}
.form-card h3{font-size:20px;margin-bottom:6px}
.form-card .fh-note{color:var(--muted);font-size:13.5px;margin-bottom:24px}
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px}
.field{display:flex;flex-direction:column;gap:7px}
.field.full{grid-column:1/-1}
.field label{font-size:13.5px;color:var(--ink-soft);font-weight:600}
.field label .req{color:var(--accent)}
.field input,.field select,.field textarea{
  padding:12px 14px;border:1.5px solid var(--line);border-radius:var(--radius-sm);
  font-family:inherit;font-size:14.5px;color:var(--ink);background:#fff;transition:.2s;width:100%;
}
.field textarea{resize:vertical;min-height:96px}
.field input:focus,.field select:focus,.field textarea:focus{outline:none;border-color:var(--primary);box-shadow:0 0 0 3px rgba(56,89,136,.12)}
.form-msg{margin-top:14px;font-size:14px;display:none;padding:12px 16px;border-radius:var(--radius-sm)}
.form-msg.ok{display:block;background:#EAF6EE;color:#1E7A45}
.form-msg.err{display:block;background:#FCECEC;color:#B23B3B}

/* ---------- 页面横幅 ---------- */
.page-hero{background:
  radial-gradient(900px 400px at 85% -20%,rgba(56,89,136,.12),transparent 60%),
  linear-gradient(180deg,#fff,var(--bg-grayblue));padding:72px 0 60px}
.page-hero h1{font-size:clamp(28px,3.8vw,44px)}
.page-hero p{color:var(--ink-soft);font-size:17px;max-width:680px;margin-top:16px}
.breadcrumb{font-size:13.5px;color:var(--muted);margin-bottom:18px}
.breadcrumb a:hover{color:var(--primary)}

/* ---------- 通用内容块 ---------- */
.feature-row{display:grid;grid-template-columns:repeat(2,1fr);gap:26px}
.feature{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:30px}
.feature h3{font-size:19px;margin-bottom:10px;color:var(--primary)}
.feature p{color:var(--ink-soft);font-size:15px}
.prose p{color:var(--ink-soft);margin-bottom:16px;font-size:16px}
.prose h3{margin:28px 0 12px;font-size:22px}

.cta-band{background:linear-gradient(135deg,var(--primary),var(--primary-dark));border-radius:var(--radius);padding:52px 48px;text-align:center;color:#fff}
.cta-band h2{color:#fff;font-size:clamp(24px,3vw,32px)}
.cta-band p{color:rgba(234,240,247,.85);margin:14px auto 28px;max-width:560px}
.cta-band .btns{display:flex;gap:16px;justify-content:center;flex-wrap:wrap}

/* ---------- 页脚 ---------- */
.footer{background:var(--primary-dark);color:#B9C6D8;padding:64px 0 30px;font-size:14.5px}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:40px;padding-bottom:40px;border-bottom:1px solid rgba(255,255,255,.1)}
.footer .brand-name{color:#fff}
.footer .brand-en{color:#8093AC}
.footer p{margin-top:16px;color:#94A5BD;max-width:280px}
.footer h5{color:#fff;font-size:15px;margin-bottom:16px;font-weight:600}
.footer ul li{margin:9px 0}
.footer ul li a{color:#B9C6D8;transition:.2s}
.footer ul li a:hover{color:var(--accent-soft)}
.footer .contact-line{margin:9px 0;color:#B9C6D8}
.footer-bottom{padding-top:24px;display:flex;justify-content:space-between;flex-wrap:wrap;gap:12px;color:#7C8EA8;font-size:13px}
.wechat-hint{display:inline-flex;align-items:center;gap:8px;color:var(--accent-soft)}

/* ---------- 动画 ---------- */
.reveal{opacity:0;transform:translateY(24px);transition:.7s cubic-bezier(.2,.7,.3,1)}
.reveal.in{opacity:1;transform:none}

/* ---------- 响应式 ---------- */
@media (max-width:960px){
  .hero-inner{grid-template-columns:1fr;gap:40px;padding:64px 0}
  .hero-visual{max-width:460px}
  .founder{grid-template-columns:1fr;gap:32px}
  .form-wrap{grid-template-columns:1fr;gap:32px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
}
@media (max-width:820px){
  .nav-links,.nav-cta .btn{display:none}
  .nav-toggle{display:block}
  .nav-links.open{display:flex;position:absolute;top:72px;left:0;right:0;background:#fff;
    flex-direction:column;padding:18px 24px;gap:6px;border-bottom:1px solid var(--line);box-shadow:var(--shadow-md)}
  .nav-links.open a{padding:10px 0;width:100%;border-bottom:1px solid var(--line)}
  .qgrid,.svc-grid,.ideas,.values,.cases{grid-template-columns:1fr}
  .steps{grid-template-columns:1fr 1fr;gap:12px}
  .step::after{display:none}
  .courses{grid-template-columns:1fr}
  .feature-row{grid-template-columns:1fr}
  .form-grid{grid-template-columns:1fr}
  .section{padding:60px 0}
}
@media (max-width:520px){
  .steps{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr}
  .hero-actions .btn,.cta-band .btns .btn{width:100%;justify-content:center}
  .container{padding:0 18px}
}

/* ============================================================
   v2 新增：五大板块 / 问果专家 / 扩展位 / 读书会 / 活动简报 / 随笔
   ============================================================ */

/* ---------- Logo 兼容（PNG 标志） ---------- */
.brand .logo{object-fit:contain}

/* ---------- 五大板块卡片 ---------- */
.board-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:18px}
.board{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  padding:28px 22px;display:flex;flex-direction:column;transition:.25s;position:relative;
}
.board:hover{transform:translateY(-5px);box-shadow:var(--shadow-md);border-color:transparent}
.board .b-ic{width:48px;height:48px;border-radius:12px;background:var(--bg-blue-soft);display:flex;align-items:center;justify-content:center;margin-bottom:18px}
.board .b-ic svg{width:24px;height:24px;stroke:var(--primary)}
.board h3{font-size:18px;margin-bottom:10px}
.board p{color:var(--ink-soft);font-size:13.5px;flex:1}
.board .b-chips{display:flex;flex-wrap:wrap;gap:6px;margin:14px 0 16px}
.board .b-chips span{font-size:12px;color:var(--primary);background:var(--bg-blue-soft);border-radius:20px;padding:4px 10px}
.board .b-link{color:var(--accent);font-weight:600;font-size:14px;margin-top:auto}
.board .b-link:hover{color:var(--primary)}

/* ---------- 问果专家 ---------- */
.expert-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:24px}
.expert-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  padding:32px 30px;display:flex;gap:24px;align-items:flex-start;transition:.25s;
}
.expert-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);border-color:transparent}
.expert-avatar{width:76px;height:76px;border-radius:50%;flex-shrink:0;
  background:linear-gradient(160deg,var(--primary),var(--primary-dark));
  display:flex;align-items:center;justify-content:center;font-size:30px;font-weight:700;color:#fff}
.expert-body{flex:1}
.expert-body h3{font-size:21px}
.expert-body .e-role{color:var(--accent);font-size:13.5px;font-weight:600;margin:6px 0 12px}
.expert-body p{color:var(--ink-soft);font-size:14.5px}
.expert-body .e-tags{display:flex;flex-wrap:wrap;gap:8px;margin:14px 0 16px}
.expert-body .e-tags span{padding:5px 12px;background:var(--bg-blue-soft);color:var(--primary);border-radius:20px;font-size:12.5px}
.expert-body .e-link{color:var(--primary);font-weight:600;font-size:14.5px}
.expert-body .e-link:hover{color:var(--accent)}
.e-soon{display:inline-block;font-size:12px;color:var(--muted);background:var(--bg-cream);border-radius:20px;padding:4px 12px;margin-left:8px;vertical-align:middle}

/* ---------- 扩展位（子网页预留挂载点） ---------- */
.slot-wrap{margin-top:48px;padding:34px;border:1.5px dashed #C6D0DF;border-radius:var(--radius);background:rgba(56,89,136,.03)}
.slot-head{display:flex;align-items:center;gap:10px;margin-bottom:20px;flex-wrap:wrap}
.slot-head h3{font-size:17px;color:var(--primary)}
.slot-head .slot-note{font-size:12.5px;color:var(--muted);background:#fff;border-radius:20px;padding:4px 12px;border:1px solid var(--line)}
.slot-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.slot{
  background:#fff;border:1.5px dashed #C6D0DF;border-radius:12px;padding:20px 16px;
  text-align:center;transition:.2s;
}
.slot:hover{border-color:var(--primary);background:var(--bg-blue-soft)}
.slot .s-ic{font-size:20px;color:var(--muted);margin-bottom:8px}
.slot b{display:block;font-size:14.5px;color:var(--ink-soft);margin-bottom:4px}
.slot span{font-size:12px;color:var(--muted)}

/* ---------- 读书会 ---------- */
.rc-hero{display:grid;grid-template-columns:.8fr 1.2fr;gap:48px;align-items:center}
.rc-logo-box{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:28px;box-shadow:var(--shadow-sm);text-align:center}
.rc-logo-box img{width:100%;max-width:320px;margin:0 auto}
.rc-logo-box .rc-caption{font-size:12.5px;color:var(--muted);margin-top:12px}
.rc-stats{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;margin-top:34px}
.rc-stat{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:22px 16px;text-align:center}
.rc-stat b{display:block;font-size:24px;color:var(--primary)}
.rc-stat span{font-size:13px;color:var(--muted)}
.rc-table{width:100%;border-collapse:collapse;background:#fff;border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow-sm)}
.rc-table th{background:var(--primary);color:#fff;font-size:14px;font-weight:600;padding:14px 18px;text-align:left}
.rc-table td{padding:13px 18px;border-bottom:1px solid var(--line);font-size:14.5px;color:var(--ink-soft)}
.rc-table tr:last-child td{border-bottom:none}
.rc-table td:first-child{color:var(--primary);font-weight:700;white-space:nowrap}
.rc-table tr:hover td{background:var(--bg-blue-soft)}
.rc-rule{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:24px}
.rc-rule h4{font-size:16px;color:var(--primary);margin-bottom:8px}
.rc-rule p{font-size:14px;color:var(--ink-soft)}
.rc-join{display:grid;grid-template-columns:1fr auto;gap:40px;align-items:center;background:linear-gradient(135deg,var(--primary),var(--primary-dark));border-radius:var(--radius);padding:44px 48px;color:#fff}
.rc-join h2{color:#fff;font-size:clamp(22px,3vw,30px)}
.rc-join p{color:rgba(234,240,247,.85);margin-top:14px}
.rc-join .rc-qr{background:#fff;border-radius:12px;padding:12px;text-align:center}
.rc-join .rc-qr img{width:150px;height:150px;border-radius:6px}
.rc-join .rc-qr span{display:block;font-size:12px;color:var(--ink-soft);margin-top:8px}

/* ---------- 活动简报 ---------- */
.event-list{display:flex;flex-direction:column;gap:20px}
.event-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:28px 30px;transition:.25s;display:grid;grid-template-columns:110px 1fr;gap:26px}
.event-card:hover{box-shadow:var(--shadow-md);transform:translateY(-3px)}
.event-date{text-align:center;background:var(--bg-blue-soft);border-radius:12px;padding:14px 8px;height:fit-content}
.event-date b{display:block;font-size:24px;color:var(--primary);line-height:1.1}
.event-date span{font-size:12px;color:var(--muted)}
.event-body h3{font-size:19px;margin-bottom:8px}
.event-body .e-meta{display:flex;gap:10px;flex-wrap:wrap;margin-bottom:12px}
.event-body .e-meta span{font-size:12px;padding:4px 12px;border-radius:20px;background:var(--bg-cream);color:var(--ink-soft)}
.event-body .e-meta .live{background:#EAF6EE;color:#1E7A45}
.event-body .e-meta .done{background:var(--bg-grayblue);color:var(--muted)}
.event-body .e-meta .plan{background:#FDF3E7;color:#B26A1B}
.event-body p{font-size:14.5px;color:var(--ink-soft)}

/* ---------- 周毅随笔 ---------- */
.essay-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:22px}
.essay-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:26px 28px;transition:.25s;position:relative}
.essay-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);border-color:transparent}
.essay-card .es-tag{display:inline-block;font-size:12px;color:var(--accent);background:#FDF3E7;border-radius:20px;padding:4px 12px;margin-bottom:12px}
.essay-card h3{font-size:18px;line-height:1.5;margin-bottom:10px}
.essay-card p{font-size:14px;color:var(--ink-soft)}
.essay-card .es-foot{margin-top:16px;padding-top:14px;border-top:1px solid var(--line);display:flex;justify-content:space-between;align-items:center}
.essay-card .es-date{font-size:12.5px;color:var(--muted)}
.essay-card .es-link{font-size:13.5px;color:var(--primary);font-weight:600}
.essay-card .es-link.soon{color:var(--muted);font-weight:400}

/* ---------- 专家页返回条 ---------- */
.expert-topbar{
  position:sticky;top:0;z-index:99;background:var(--primary-dark);color:#fff;
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:10px 22px;font-size:13.5px;flex-wrap:wrap;
}
.expert-topbar a{color:#E4A15C;font-weight:600}
.expert-topbar a:hover{color:#fff}
.expert-topbar .et-crumb{color:rgba(234,240,247,.75)}
.expert-topbar .et-crumb b{color:#fff;font-weight:600}

/* ---------- 联系方式（中英文） ---------- */
.footer .contact-en{font-size:12px;color:#8093AB;line-height:1.6}
.footer .contact-web a{color:#B9C6D8}
.footer .contact-web a:hover{color:var(--accent-soft)}

/* ---------- 响应式补充 ---------- */
@media (max-width:1080px){
  .nav-links{gap:20px}
  .board-grid{grid-template-columns:repeat(3,1fr)}
}
@media (max-width:960px){
  .rc-hero{grid-template-columns:1fr;gap:28px}
  .rc-logo-box img{max-width:260px}
  .rc-stats{grid-template-columns:repeat(2,1fr)}
  .rc-join{grid-template-columns:1fr;text-align:center}
  .rc-join .rc-qr{justify-self:center}
  .expert-grid{grid-template-columns:1fr}
  .slot-grid{grid-template-columns:repeat(2,1fr)}
}
@media (max-width:820px){
  .board-grid{grid-template-columns:repeat(2,1fr)}
  .essay-grid{grid-template-columns:1fr}
  .event-card{grid-template-columns:1fr;gap:14px}
  .slot-grid{grid-template-columns:1fr}
  .rc-table{display:block;overflow-x:auto}
}
@media (max-width:520px){
  .board-grid{grid-template-columns:1fr}
  .rc-stats{grid-template-columns:1fr 1fr}
  .expert-card{flex-direction:column}
}