:root {
  --green: #14563c;
  --green-dark: #0d3f2b;
  --green-deep: #082e1f;
  --orange: #f5a623;
  --orange-soft: #ffcf8a;
  --gold: #c9a25e;
  --gold-light: #e8c88a;
  --cream: #f6f3ea;
  --ink: #1c2420;
  --muted: #7a8a82;
  --radius: 18px;
  --shadow: 0 10px 40px rgba(13,63,43,.10);
}
* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body { font-family: "PingFang SC", "Microsoft YaHei", -apple-system, sans-serif; background: var(--cream); color: var(--ink); -webkit-font-smoothing: antialiased; }
a { color: inherit; text-decoration: none; }
.wrap { max-width: 1120px; margin: 0 auto; padding: 0 22px; }

/* ===== 顶栏 ===== */
.topbar { background: rgba(8,46,31,.92); backdrop-filter: blur(10px); color: #fff; position: sticky; top: 0; z-index: 20; border-bottom: 1px solid rgba(255,255,255,.08); }
.topbar .wrap { display: flex; align-items: center; justify-content: space-between; height: 64px; }
.brand { display: flex; align-items: center; gap: 11px; font-weight: 700; font-size: 17px; letter-spacing: 2px; }
.brand .logo { height: 36px; width: auto; }
.topbar nav a { margin-left: 24px; font-size: 14px; opacity: .8; transition: .15s; }
.topbar nav a:hover { opacity: 1; color: var(--orange-soft); }

/* ===== Hero（高端会场级） ===== */
.hero { position: relative; color: #fff; padding: 0; overflow: hidden;
  background: radial-gradient(1200px 600px at 85% -10%, #1d7a52 0%, transparent 60%),
              radial-gradient(900px 500px at -10% 110%, #0f5a3c 0%, transparent 55%),
              linear-gradient(150deg, var(--green-deep) 0%, var(--green-dark) 45%, #0f4a33 100%); }
.hero .wrap { position: relative; padding: 84px 22px 110px; text-align: center; }
/* 双圆交汇装饰（呼应 logo） */
.rings { position: absolute; pointer-events: none; }
.rings.r1 { right: -60px; top: 40px; width: 380px; height: 380px; }
.rings.r2 { left: -140px; bottom: -160px; width: 460px; height: 460px; opacity: .5; }
.rings svg { width: 100%; height: 100%; }
.hero .tagline { display: inline-flex; gap: 8px; flex-wrap: wrap; margin-bottom: 22px; justify-content: center; }
.hero .tagline span { font-size: 13px; letter-spacing: 1px; padding: 6px 16px; border-radius: 20px; border: 1px solid rgba(232,200,138,.5); color: var(--gold-light); background: rgba(232,200,138,.08); }
.hero .tagline span.hot { background: linear-gradient(90deg, var(--orange), #e88b1e); border-color: transparent; color: #fff; font-weight: 600; }
.hero h1 { font-size: 40px; line-height: 1.25; letter-spacing: 2px; font-weight: 800;
  background: linear-gradient(100deg, #ffffff 30%, var(--orange-soft) 75%, var(--orange)); -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent; }
.hero .sub { margin-top: 14px; font-size: 16px; color: rgba(255,255,255,.75); letter-spacing: 3px; }
.hero-meta { margin-top: 38px; display: flex; gap: 16px; flex-wrap: wrap; justify-content: center; }
.meta-card { flex: 0 1 300px; display: flex; gap: 14px; align-items: center; padding: 18px 22px; border-radius: var(--radius); text-align: left;
  background: rgba(255,255,255,.07); border: 1px solid rgba(255,255,255,.12); backdrop-filter: blur(8px); }
.meta-card .ic { flex: 0 0 44px; height: 44px; border-radius: 12px; display: flex; align-items: center; justify-content: center; font-size: 20px;
  background: linear-gradient(135deg, rgba(245,166,35,.9), rgba(201,162,94,.9)); color: #fff; }
.meta-card .k { font-size: 12px; color: rgba(255,255,255,.55); letter-spacing: 1px; }
.meta-card .v { font-size: 15px; font-weight: 600; margin-top: 3px; }
.hero-cta { margin-top: 42px; display: flex; gap: 16px; align-items: center; flex-wrap: wrap; justify-content: center; }
.btn { display: inline-flex; align-items: center; gap: 8px; border: none; cursor: pointer; font-size: 15px; padding: 13px 34px; border-radius: 30px; transition: .2s; font-weight: 600; }
.btn.primary { background: linear-gradient(95deg, var(--orange) 0%, #e8952a 100%); color: #fff; box-shadow: 0 8px 26px rgba(245,166,35,.4); }
.btn.primary:hover { transform: translateY(-2px); box-shadow: 0 12px 32px rgba(245,166,35,.5); }
.btn.ghost { background: transparent; color: #fff; border: 1px solid rgba(255,255,255,.4); }
.btn.ghost:hover { border-color: var(--orange-soft); color: var(--orange-soft); }
.btn.gold { background: linear-gradient(95deg, var(--orange), #e8952a); color: #fff; box-shadow: 0 6px 20px rgba(245,166,35,.35); }
.btn.gold:hover { transform: translateY(-1px); }
.btn.ghost-green { background: transparent; color: var(--green); border: 1px solid var(--green); }
.btn.small { padding: 7px 18px; font-size: 13px; }
.btn:disabled { opacity: .5; cursor: not-allowed; transform: none !important; box-shadow: none; }

/* ===== 内容区 ===== */
main.wrap { margin-top: -56px; position: relative; z-index: 2; padding-bottom: 60px; }
.tabs { display: flex; gap: 10px; margin-bottom: 22px; flex-wrap: wrap; }
.tab { padding: 11px 26px; border-radius: 26px; background: #fff; border: 1px solid #e4e0d4; cursor: pointer; font-size: 14px; color: var(--muted); transition: .2s; box-shadow: 0 2px 10px rgba(13,63,43,.05); }
.tab:hover { color: var(--green); }
.tab.active { background: var(--green-dark); color: #fff; border-color: var(--green-dark); box-shadow: 0 6px 20px rgba(13,63,43,.25); }
.tab:disabled { opacity: .45; cursor: not-allowed; }
.panel { display: none; background: #fff; border-radius: var(--radius); padding: 36px; box-shadow: var(--shadow); border: 1px solid rgba(13,63,43,.05); }
.panel.active { display: block; }
.panel h3.sec { font-size: 17px; color: var(--green-dark); letter-spacing: 1px; margin-bottom: 6px; display: flex; align-items: center; gap: 10px; }
.panel h3.sec::before { content: ""; width: 4px; height: 18px; border-radius: 2px; background: linear-gradient(180deg, var(--orange), var(--gold)); }

/* ===== 议程时间轴 ===== */
.agenda-item { display: flex; gap: 20px; padding: 18px 6px; border-bottom: 1px dashed #ece8dc; align-items: flex-start; transition: .15s; border-radius: 10px; }
.agenda-item:hover { background: #fbf9f3; }
.agenda-item:last-child { border-bottom: none; }
.agenda-no { flex: 0 0 52px; height: 52px; border-radius: 14px; display: flex; flex-direction: column; align-items: center; justify-content: center;
  background: linear-gradient(160deg, #f2fdf8, #e8f5ee); border: 1px solid #d9ede1; color: var(--green); font-weight: 800; font-size: 15px; }
.agenda-no small { font-size: 10px; color: var(--gold); font-weight: 600; letter-spacing: 1px; }
.agenda-body { flex: 1; min-width: 0; }
.agenda-body h4 { font-size: 15.5px; color: var(--ink); line-height: 1.5; }
.agenda-body .spk { margin-top: 6px; display: inline-flex; align-items: center; gap: 8px; font-size: 13px; }
.agenda-body .spk b { color: var(--green); }
.agenda-body .spk span { color: var(--muted); }
.agenda-body .spk::before { content: "🎙"; font-size: 12px; }
.agenda-time { flex: 0 0 110px; text-align: right; font-size: 12px; color: var(--gold); font-weight: 700; padding-top: 4px; letter-spacing: .5px; }

/* ===== 报名表单 ===== */
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 18px 22px; margin-top: 24px; }
.form-grid .full { grid-column: 1 / -1; }
label.f { display: block; font-size: 13.5px; color: var(--ink); }
label.f span.req { color: #e05a3a; margin-right: 2px; }
label.f input, label.f select, label.f textarea {
  width: 100%; margin-top: 8px; padding: 12px 14px; border: 1.5px solid #e0dccf; border-radius: 12px; font-size: 14.5px; font-family: inherit; background: #fcfbf7; transition: .2s;
}
label.f input:focus, label.f select:focus, label.f textarea:focus { outline: none; border-color: var(--green); background: #fff; box-shadow: 0 0 0 4px rgba(20,86,60,.08); }
.submit-bar { margin-top: 26px; display: flex; gap: 16px; align-items: center; flex-wrap: wrap; }
.submit-bar .btn.primary { font-size: 16px; padding: 15px 46px; border-radius: 34px; }
.trust { font-size: 12.5px; color: var(--muted); display: flex; gap: 16px; flex-wrap: wrap; }
.trust span::before { content: "✓ "; color: var(--green); font-weight: 700; }
.msg { margin-top: 16px; padding: 13px 18px; border-radius: 12px; font-size: 14px; display: none; }
.msg.ok { display: block; background: linear-gradient(90deg,#e9f7ee,#f3fbf5); color: #16794a; border: 1px solid #c4e8d3; }
.msg.err { display: block; background: #fdf0ee; color: #b03a2e; border: 1px solid #f2cfc9; }
.side-note { margin-top: 26px; padding: 18px 22px; border-radius: 14px; background: linear-gradient(120deg, #fdf9ef, #fcf6e8); border: 1px solid #efe3c2; font-size: 13.5px; color: #7a6335; line-height: 1.8; }
.side-note b { color: #9a7a2e; }

/* ===== 报名成功卡 ===== */
.success-card { margin-top: 26px; display: none; text-align: center; padding: 34px 28px; border-radius: var(--radius);
  background: linear-gradient(160deg, #f2fdf8, #fffdf6); border: 1.5px solid #cfe8d9; }
.success-card .sc-icon { width: 64px; height: 64px; margin: 0 auto 14px; border-radius: 50%; display: flex; align-items: center; justify-content: center;
  background: linear-gradient(135deg, #1d8a5a, var(--green)); color: #fff; font-size: 32px; font-weight: 800; box-shadow: 0 8px 24px rgba(20,86,60,.3); }
.success-card h3 { color: var(--green-dark); font-size: 21px; letter-spacing: 2px; }
.success-card > p { color: var(--muted); font-size: 14px; margin-top: 8px; }
.sc-qr { margin: 22px auto 18px; display: inline-flex; flex-direction: column; gap: 8px; align-items: center; padding: 20px 26px; background: #fff; border-radius: 16px; border: 1px solid #eee6d2; box-shadow: 0 6px 24px rgba(13,63,43,.08); }
.sc-qr img { width: 210px; height: 210px; display: block; }
.sc-qr b { color: var(--green-dark); font-size: 15px; letter-spacing: 1px; }
.sc-qr span { color: var(--muted); font-size: 12.5px; line-height: 1.7; }

/* ===== 资料与照片 ===== */
.mat-item { display: flex; align-items: center; gap: 16px; padding: 16px 6px; border-bottom: 1px dashed #ece8dc; }
.mat-item:last-child { border-bottom: none; }
.mat-icon { flex: 0 0 44px; height: 44px; border-radius: 12px; background: linear-gradient(135deg,#f2fdf8,#e8f5ee); border: 1px solid #d9ede1; display: flex; align-items: center; justify-content: center; color: var(--green); }
.photo-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(230px, 1fr)); gap: 16px; }
.photo-grid figure { border-radius: 14px; overflow: hidden; background: #f0ede5; box-shadow: 0 4px 16px rgba(13,63,43,.08); transition: .2s; }
.photo-grid figure:hover { transform: translateY(-3px); box-shadow: 0 10px 26px rgba(13,63,43,.15); }
.photo-grid img { width: 100%; height: 165px; object-fit: cover; display: block; }
.photo-grid figcaption { font-size: 12px; color: var(--muted); padding: 10px 12px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.lightbox { position: fixed; inset: 0; background: rgba(5,25,17,.9); display: none; align-items: center; justify-content: center; z-index: 50; cursor: zoom-out; backdrop-filter: blur(4px); }
.lightbox.show { display: flex; }
.lightbox img { max-width: 92vw; max-height: 90vh; border-radius: 10px; }

/* ===== 列表页卡片 ===== */
.events { margin-top: -56px; position: relative; z-index: 2; padding-bottom: 60px; }
.ev-card { background: #fff; border-radius: var(--radius); box-shadow: var(--shadow); padding: 28px 30px; margin-bottom: 20px; display: flex; gap: 26px; align-items: center; transition: .2s; border: 1px solid rgba(13,63,43,.05); }
.ev-card:hover { transform: translateY(-3px); box-shadow: 0 16px 44px rgba(13,63,43,.16); }
.ev-card.current { border: 1.5px solid var(--orange); background: linear-gradient(180deg, #fffdf6, #fff); position: relative; overflow: hidden; }
.ev-card.current::before { content: ""; position: absolute; left: 0; top: 0; bottom: 0; width: 5px; background: linear-gradient(180deg, var(--orange), var(--gold)); }
.ev-date { flex: 0 0 100px; text-align: center; background: linear-gradient(160deg,#f2fdf8,#e8f5ee); border: 1px solid #d9ede1; border-radius: 16px; padding: 16px 6px; }
.ev-date .m { font-size: 12px; color: var(--muted); }
.ev-date .d { font-size: 34px; font-weight: 800; color: var(--green); line-height: 1.15; }
.ev-info { flex: 1; min-width: 0; }
.ev-info h3 { font-size: 19px; color: var(--green-dark); }
.ev-info h3 a:hover { color: var(--green); }
.ev-info .meta { margin-top: 10px; font-size: 13px; color: var(--muted); display: flex; flex-wrap: wrap; gap: 6px 20px; }
.badge { display: inline-block; font-size: 12px; padding: 3px 12px; border-radius: 20px; margin-left: 10px; vertical-align: 3px; }
.badge.gold { background: linear-gradient(90deg, var(--orange), #e8952a); color: #fff; }
.badge.grey { background: #e8e8e8; color: #666; }
.section-title { text-align: center; margin: 48px 0 26px; }
.section-title h2 { font-size: 22px; color: var(--green-dark); letter-spacing: 3px; }
.section-title .line { width: 52px; height: 3px; background: linear-gradient(90deg, var(--orange), var(--gold)); margin: 12px auto 0; border-radius: 2px; }
.empty { text-align: center; color: var(--muted); padding: 46px 0; }

/* ===== 页脚 ===== */
footer { background: var(--green-deep); color: rgba(255,255,255,.7); text-align: center; padding: 40px 0; font-size: 13px; margin-top: 20px; border-top: 3px solid transparent; border-image: linear-gradient(90deg, var(--green), var(--orange), var(--gold), var(--green)) 1; }
footer .footer-logo { display: block; margin: 0 auto 14px; height: 56px; width: auto; background: #fff; border-radius: 14px; padding: 7px 12px; }

/* ===== 后台复用（admin 页面内嵌样式不受此文件影响） ===== */
.brand .dot { display: none; }

/* ===== 移动端适配 ===== */
@media (max-width: 760px) {
  .topbar .wrap { height: auto; flex-wrap: wrap; padding: 10px 16px; gap: 6px 12px; }
  .brand { font-size: 15px; letter-spacing: 1px; }
  .brand .logo { height: 30px; }
  .topbar nav a { margin-left: 14px; font-size: 13px; }
  .hero .wrap { padding: 56px 18px 90px; }
  .hero h1 { font-size: 25px; letter-spacing: 1px; }
  .hero .sub { font-size: 13.5px; letter-spacing: 1.5px; }
  .hero .tagline span { font-size: 12px; padding: 5px 12px; }
  .meta-card { flex: 1 1 100%; padding: 14px 16px; }
  .hero-cta .btn { width: 100%; justify-content: center; }
  .rings.r1 { width: 220px; height: 220px; right: -80px; }
  .rings.r2 { width: 280px; height: 280px; }
  main.wrap, .events { padding: 0 14px 40px; }
  .tabs { gap: 8px; }
  .tab { padding: 9px 16px; font-size: 13px; }
  .panel { padding: 22px 16px; border-radius: 14px; }
  /* 活动卡片：改纵向堆叠，日期横排 */
  .ev-card { flex-direction: column; align-items: stretch; gap: 14px; padding: 22px 18px; }
  .ev-card .btn { align-self: flex-start; }
  .ev-date { flex: none; display: flex; align-items: baseline; gap: 8px; width: auto; padding: 10px 18px; border-radius: 12px; }
  .ev-date .d { font-size: 26px; }
  .ev-info h3 { font-size: 17px; display: block; }
  .ev-info .meta { gap: 4px 14px; }
  .badge { margin-left: 6px; }
  .form-grid { grid-template-columns: 1fr; gap: 14px; }
  .submit-bar .btn.primary { width: 100%; justify-content: center; }
  .agenda-item { gap: 12px; }
  .agenda-time { flex: 0 0 64px; font-size: 11px; }
  .agenda-no { flex: 0 0 44px; height: 44px; font-size: 13px; }
  .section-title h2 { font-size: 19px; }
  .photo-grid { grid-template-columns: repeat(auto-fill, minmax(150px, 1fr)); }
  .footer-logo { height: 46px; }
}