/* ============================================================
   息县新的社会阶层人士联谊会 · 官网样式
   独立站点：1.fcao.com.cn  （不依赖任何其他站点）
   ============================================================ */
:root{
  --red:#9e1b1b;        /* 党建红 */
  --red-deep:#7a1414;
  --red-soft:#b5403a;
  --gold:#c8a35a;       /* 烫金 */
  --gold-soft:#e3c98f;
  --ink:#1d2126;
  --paper:#f7f3ec;      /* 暖白底 */
  --paper-2:#efe9df;
  --muted:#6b6258;
  --line:#e4ddd1;
  --white:#ffffff;
  --shadow:0 14px 40px rgba(60,30,15,.12);
  --shadow-sm:0 6px 20px rgba(60,30,15,.10);
  --maxw:1200px;
  --head-h:74px;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  font-family:"Noto Sans SC","PingFang SC","Microsoft YaHei",sans-serif;
  color:var(--ink);background:var(--paper);
  line-height:1.75;font-size:16px;-webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4{font-family:"Noto Serif SC","Songti SC",serif;line-height:1.3;font-weight:700}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 22px}
.muted{color:var(--muted)}

/* ---------- 顶部信息条 ---------- */
.topbar{background:var(--red-deep);color:#f3e3d6;font-size:13px}
.topbar .wrap{display:flex;justify-content:space-between;align-items:center;height:40px;flex-wrap:wrap;gap:6px}
.topbar a:hover{color:var(--gold-soft)}
.topbar .tb-r{display:flex;gap:18px;flex-wrap:wrap}
.topbar i{color:var(--gold-soft);margin-right:6px;font-style:normal}

/* ---------- 导航 ---------- */
.header{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.96);
  backdrop-filter:blur(6px);border-bottom:1px solid var(--line);transition:.3s}
.header.scrolled{box-shadow:var(--shadow-sm)}
.nav{display:flex;align-items:center;justify-content:space-between;height:var(--head-h)}
.brand{display:flex;align-items:center;gap:12px}
.brand .logo{width:46px;height:46px;flex:none}
.brand .txt b{font-family:"Noto Serif SC",serif;font-size:19px;color:var(--red);display:block;letter-spacing:1px}
.brand .txt span{font-size:11px;color:var(--muted);letter-spacing:2px}
.menu{display:flex;gap:4px;list-style:none}
.menu a{padding:10px 14px;font-size:15px;color:var(--ink);border-radius:8px;position:relative;transition:.2s}
.menu a:hover{color:var(--red)}
.menu a.active{color:var(--red);font-weight:700}
.menu a.active::after{content:"";position:absolute;left:14px;right:14px;bottom:4px;height:3px;background:var(--gold);border-radius:2px}
.btn-join{background:var(--red);color:#fff!important;padding:10px 20px!important;border-radius:30px;font-weight:700;box-shadow:var(--shadow-sm)}
.btn-join:hover{background:var(--red-deep)}
.hamburger{display:none;flex-direction:column;gap:5px;cursor:pointer;padding:8px}
.hamburger span{width:26px;height:3px;background:var(--ink);border-radius:2px;transition:.3s}

/* ---------- 英雄区 ---------- */
.hero{position:relative;color:#fff;overflow:hidden;
  background:radial-gradient(120% 120% at 80% 0%,#b5403a 0%,var(--red) 45%,var(--red-deep) 100%)}
.hero::before{content:"";position:absolute;inset:0;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='40' height='40'%3E%3Cpath d='M0 39h40M39 0v40' stroke='%23ffffff' stroke-opacity='0.05'/%3E%3C/svg%3E");opacity:.6}
.hero .wrap{position:relative;padding:96px 22px 110px;display:flex;flex-direction:column;align-items:flex-start}
.hero .eyebrow{display:inline-flex;align-items:center;gap:10px;color:var(--gold-soft);
  font-size:14px;letter-spacing:3px;border:1px solid rgba(227,201,143,.4);padding:7px 16px;border-radius:30px;margin-bottom:22px}
.hero h1{font-size:clamp(34px,5.2vw,62px);letter-spacing:3px;text-shadow:0 2px 18px rgba(0,0,0,.25);max-width:14em}
.hero .sub{font-size:clamp(17px,2.2vw,24px);margin:20px 0 14px;color:#f4e6da;font-weight:400}
.hero .lead{font-size:16px;max-width:40em;color:#ecd9cf;opacity:.95}
.hero .cta{display:flex;gap:16px;margin-top:34px;flex-wrap:wrap}
.btn{display:inline-flex;align-items:center;gap:8px;padding:14px 30px;border-radius:34px;font-weight:700;font-size:16px;transition:.25s;cursor:pointer;border:2px solid transparent}
.btn-gold{background:var(--gold);color:#3a2606}
.btn-gold:hover{background:var(--gold-soft);transform:translateY(-2px)}
.btn-ghost{background:transparent;color:#fff;border-color:rgba(255,255,255,.6)}
.btn-ghost:hover{border-color:#fff;background:rgba(255,255,255,.12)}
.hero-stats{display:flex;gap:38px;margin-top:48px;flex-wrap:wrap}
.hero-stats .s b{font-family:"Noto Serif SC",serif;font-size:40px;color:#fff;display:block;line-height:1}
.hero-stats .s span{font-size:13px;color:var(--gold-soft);letter-spacing:1px}

/* ---------- 通用区块 ---------- */
.section{padding:78px 0}
.section.alt{background:var(--white);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.section-title{text-align:center;margin-bottom:46px}
.section-title .k{color:var(--gold);font-size:14px;letter-spacing:4px;font-weight:700}
.section-title h2{font-size:clamp(26px,3.4vw,38px);color:var(--ink);margin:8px 0 12px;letter-spacing:1px}
.section-title .bar{width:64px;height:4px;background:var(--gold);margin:0 auto 14px;border-radius:2px}
.section-title p{color:var(--muted);max-width:46em;margin:0 auto;font-size:15px}

/* ---------- 协会简介 home 摘要 ---------- */
.about-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:48px;align-items:center}
.about-grid h3{font-size:26px;color:var(--red);margin-bottom:14px}
.about-grid p{color:#3c3a36;margin-bottom:14px}
.about-card{background:linear-gradient(160deg,#fff,#fbf6ee);border:1px solid var(--line);
  border-radius:16px;padding:30px;box-shadow:var(--shadow)}
.about-card .row{display:flex;gap:14px;padding:14px 0;border-bottom:1px dashed var(--line)}
.about-card .row:last-child{border-bottom:0}
.about-card .row .ic{width:42px;height:42px;flex:none;border-radius:10px;background:var(--red);color:#fff;
  display:flex;align-items:center;justify-content:center;font-size:18px}
.about-card .row b{display:block;color:var(--ink)}
.about-card .row span{font-size:14px;color:var(--muted)}

/* ---------- 四大群体 ---------- */
.cards-4{display:grid;grid-template-columns:repeat(4,1fr);gap:22px}
.feat{background:#fff;border:1px solid var(--line);border-radius:14px;padding:28px 24px;
  transition:.25s;box-shadow:var(--shadow-sm);position:relative;overflow:hidden}
.feat:hover{transform:translateY(-6px);box-shadow:var(--shadow);border-color:var(--gold-soft)}
.feat .num{position:absolute;right:14px;top:6px;font-family:"Noto Serif SC",serif;font-size:46px;color:var(--paper-2);font-weight:700}
.feat .fic{width:56px;height:56px;border-radius:14px;background:var(--red);color:#fff;
  display:flex;align-items:center;justify-content:center;font-size:24px;margin-bottom:16px}
.feat h4{font-size:19px;color:var(--ink);margin-bottom:10px}
.feat p{font-size:14px;color:var(--muted)}

/* ---------- 新闻列表 ---------- */
.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.news-card{background:#fff;border:1px solid var(--line);border-radius:14px;overflow:hidden;
  transition:.25s;box-shadow:var(--shadow-sm);display:flex;flex-direction:column}
.news-card:hover{transform:translateY(-5px);box-shadow:var(--shadow)}
.news-thumb{height:160px;background:linear-gradient(135deg,var(--red),var(--red-deep));position:relative;display:flex;align-items:center;justify-content:center;color:var(--gold-soft);font-size:40px}
.news-thumb .tag{position:absolute;left:14px;top:14px;background:rgba(255,255,255,.92);color:var(--red);font-size:12px;padding:4px 12px;border-radius:20px;font-weight:700}
.news-body{padding:20px;flex:1;display:flex;flex-direction:column}
.news-body .date{font-size:13px;color:var(--gold);font-weight:700;letter-spacing:1px}
.news-body h4{font-size:18px;margin:8px 0 10px;color:var(--ink)}
.news-body p{font-size:14px;color:var(--muted);flex:1}
.news-body .more{margin-top:14px;color:var(--red);font-weight:700;font-size:14px}

/* ---------- 加入我们 CTA 横幅 ---------- */
.cta-band{background:linear-gradient(120deg,var(--red-deep),var(--red));color:#fff;text-align:center;padding:64px 22px}
.cta-band h2{font-size:clamp(24px,3vw,34px);margin-bottom:12px}
.cta-band p{color:#f0ddd3;max-width:40em;margin:0 auto 26px}

/* ---------- 页脚 ---------- */
.footer{background:var(--ink);color:#cdc6bd;padding:56px 0 26px}
.footer .fg{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:34px}
.footer h4{color:#fff;font-size:17px;margin-bottom:16px;position:relative;padding-left:14px}
.footer h4::before{content:"";position:absolute;left:0;top:4px;bottom:4px;width:4px;background:var(--gold);border-radius:2px}
.footer a{color:#cdc6bd;font-size:14px;display:block;padding:5px 0}
.footer a:hover{color:var(--gold-soft)}
.footer .fbrand b{font-family:"Noto Serif SC",serif;color:#fff;font-size:20px;letter-spacing:1px}
.footer .fbrand p{font-size:14px;margin:12px 0;line-height:1.8}
.footer .copy{border-top:1px solid #33302b;margin-top:34px;padding-top:18px;font-size:13px;color:#8c857c;text-align:center;line-height:1.9}
.footer .copy a{display:inline;color:#8c857c}

/* ---------- 内页头部 ---------- */
.page-hero{background:linear-gradient(120deg,var(--red-deep),var(--red));color:#fff;padding:64px 22px 56px;position:relative;overflow:hidden}
.page-hero::before{content:"";position:absolute;inset:0;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='40' height='40'%3E%3Cpath d='M0 39h40M39 0v40' stroke='%23ffffff' stroke-opacity='0.05'/%3E%3C/svg%3E")}
.page-hero .wrap{position:relative}
.page-hero h1{font-size:clamp(28px,4vw,44px);letter-spacing:2px}
.page-hero .crumb{font-size:13px;color:var(--gold-soft);margin-bottom:10px;letter-spacing:1px}
.page-hero p{color:#f0ddd3;margin-top:12px;max-width:44em}

/* ---------- 内容排版 ---------- */
.prose{max-width:820px;margin:0 auto}
.prose h3{font-size:24px;color:var(--red);margin:30px 0 14px}
.prose p{margin-bottom:16px;color:#3c3a36}
.prose ul{margin:0 0 18px 22px;color:#3c3a36}
.prose li{margin-bottom:8px}
.callout{background:var(--paper-2);border-left:4px solid var(--gold);padding:18px 22px;border-radius:0 10px 10px 0;margin:22px 0;color:#4a443c}

/* 组织架构 */
.org-wrap{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;margin-bottom:30px}
.org-box{background:#fff;border:1px solid var(--line);border-radius:14px;padding:26px;box-shadow:var(--shadow-sm);text-align:center}
.org-box .ob-ic{width:60px;height:60px;border-radius:50%;background:var(--red);color:#fff;margin:0 auto 14px;display:flex;align-items:center;justify-content:center;font-size:24px}
.org-box h4{color:var(--ink);font-size:19px;margin-bottom:8px}
.org-box p{font-size:14px;color:var(--muted)}
.committees{display:grid;grid-template-columns:repeat(2,1fr);gap:18px}
.committees .c{background:var(--white);border:1px solid var(--line);border-radius:12px;padding:20px 22px;display:flex;gap:14px;align-items:flex-start}
.committees .c .ic{width:44px;height:44px;flex:none;border-radius:10px;background:var(--gold);color:#3a2606;display:flex;align-items:center;justify-content:center;font-size:18px}
.committees .c b{display:block;color:var(--ink)}
.committees .c span{font-size:14px;color:var(--muted)}

/* 会员风采 */
.member-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:22px}
.member{background:#fff;border:1px solid var(--line);border-radius:14px;overflow:hidden;box-shadow:var(--shadow-sm);transition:.25s}
.member:hover{transform:translateY(-5px);box-shadow:var(--shadow)}
.member .ava{height:150px;background:linear-gradient(135deg,#caa86a,var(--red));display:flex;align-items:center;justify-content:center;color:#fff;font-size:42px;font-family:"Noto Serif SC",serif}
.member .mb{padding:18px}
.member .mb b{font-size:17px;color:var(--ink);display:block}
.member .mb span{font-size:13px;color:var(--gold);font-weight:700}
.member .mb p{font-size:13px;color:var(--muted);margin-top:8px}

/* 时间线（活动/党建） */
.timeline{position:relative;max-width:880px;margin:0 auto;padding-left:30px}
.timeline::before{content:"";position:absolute;left:8px;top:6px;bottom:6px;width:3px;background:var(--gold-soft)}
.tl-item{position:relative;padding:0 0 30px 28px}
.tl-item::before{content:"";position:absolute;left:-26px;top:6px;width:16px;height:16px;border-radius:50%;background:var(--red);border:3px solid #fff;box-shadow:0 0 0 3px var(--gold-soft)}
.tl-item .d{font-size:13px;color:var(--gold);font-weight:700}
.tl-item h4{font-size:19px;color:var(--ink);margin:6px 0 8px}
.tl-item p{font-size:14px;color:var(--muted)}

/* 入会申请表单 */
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:44px;align-items:start}
.form-box{background:#fff;border:1px solid var(--line);border-radius:16px;padding:32px;box-shadow:var(--shadow)}
.field{margin-bottom:18px}
.field label{display:block;font-size:14px;font-weight:700;color:var(--ink);margin-bottom:7px}
.field label .req{color:var(--red)}
.field input,.field select,.field textarea{width:100%;padding:12px 14px;border:1px solid var(--line);border-radius:10px;font-size:15px;font-family:inherit;background:#fdfbf8;transition:.2s}
.field input:focus,.field select:focus,.field textarea:focus{outline:none;border-color:var(--red);background:#fff;box-shadow:0 0 0 3px rgba(158,27,27,.08)}
.field textarea{resize:vertical;min-height:110px}
.form-note{background:var(--paper-2);border-radius:10px;padding:16px 18px;font-size:14px;color:#4a443c;margin-bottom:18px}
.info-box{background:linear-gradient(160deg,#fff,#fbf6ee);border:1px solid var(--line);border-radius:16px;padding:30px;box-shadow:var(--shadow-sm)}
.info-box h3{color:var(--red);font-size:20px;margin-bottom:14px}
.info-box .ir{display:flex;gap:12px;padding:12px 0;border-bottom:1px dashed var(--line);font-size:15px}
.info-box .ir:last-child{border-bottom:0}
.info-box .ir .ic{color:var(--red);font-size:18px;width:24px}
.alert{background:#eaf6ec;border:1px solid #b7dcc0;color:#1f6b34;padding:14px 18px;border-radius:10px;margin-bottom:18px;font-size:15px}

/* ---------- 响应式 ---------- */
@media(max-width:980px){
  .about-grid,.form-grid{grid-template-columns:1fr}
  .cards-4,.news-grid,.member-grid,.org-wrap{grid-template-columns:repeat(2,1fr)}
  .committees{grid-template-columns:1fr}
  .footer .fg{grid-template-columns:1fr 1fr}
}
@media(max-width:680px){
  .topbar .wrap{font-size:12px;height:auto;padding:6px 0;justify-content:center}
  .menu{position:fixed;top:var(--head-h);left:0;right:0;background:#fff;flex-direction:column;
    padding:14px 22px;gap:2px;box-shadow:var(--shadow);transform:translateY(-130%);transition:.3s;border-bottom:1px solid var(--line)}
  .menu.open{transform:translateY(0)}
  .menu a{padding:12px 8px}
  .hamburger{display:flex}
  .cards-4,.news-grid,.member-grid,.org-wrap{grid-template-columns:1fr}
  .footer .fg{grid-template-columns:1fr}
  .hero-stats{gap:22px}
}