/* 飞矿网·矿业AI产业服务平台 — 共享馆页面套件（F1/F2）
 * 视觉真相：docs/会议方案/demo/*-PC-demo.html（藏青 #0a2242 + 琥珀 #f59e0b，1200 容器，8px 圆角）
 * 覆盖：共享首页壳 / 馆首页 / 主办商主页 / 会议主题页 / 活动详情共享馆区块
 */
* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { font-family: -apple-system, "PingFang SC", "Helvetica Neue", "Microsoft YaHei", sans-serif; background: #f2f3f5; color: #1a1a1a; }
a { text-decoration: none; color: inherit; }
img { border: 0; }
.container { max-width: 1200px; margin: 0 auto; padding: 0 24px; }
button { font: inherit; cursor: pointer; }

/* ===== 顶栏（五页统一）===== */
.topbar { background: #fff; border-bottom: 1px solid #e8eaee; position: sticky; top: 0; z-index: 40; }
.topbar-inner { display: flex; align-items: center; gap: 28px; height: 62px; }
.brand { display: flex; align-items: center; gap: 9px; font-size: 17px; font-weight: 700; color: #0a2242; }
.brand-mark { width: 32px; height: 32px; border-radius: 8px; background: linear-gradient(135deg, #0a2242, #123a5c); color: #fcd34d; display: flex; align-items: center; justify-content: center; font-size: 15px; flex: none; }
.brand em { font-style: normal; color: #d97706; font-weight: 600; }
.brand .slogan { font-size: 12px; font-weight: 400; color: #9ca3af; border-left: 1px solid #e5e7eb; padding-left: 10px; margin-left: 2px; }
.nav { display: flex; gap: 24px; font-size: 14px; color: #4b5563; }
.nav a:hover, .nav a.active { color: #0a2242; }
.nav a.active { font-weight: 600; }
.topbar-cta { margin-left: auto; display: flex; gap: 10px; align-items: center; }
.btn { display: inline-flex; align-items: center; justify-content: center; border-radius: 999px; font-size: 13.5px; padding: 9px 20px; cursor: pointer; border: none; }
.btn-ghost { background: #fff; border: 1px solid #d6dae1; color: #374151; }
.btn-main { background: linear-gradient(135deg, #f59e0b, #d97706); color: #fff; font-weight: 600; box-shadow: 0 4px 14px rgba(245,158,11,.3); }
.btn-user { color: #0a2242; font-weight: 600; }

/* ===== 面包屑 ===== */
.crumbbar { background: #fff; border-bottom: 1px solid #eef0f3; }
.crumb { display: flex; align-items: center; gap: 8px; height: 42px; font-size: 13px; color: #6b7280; flex-wrap: wrap; }
.crumb a:hover { color: #0a2242; }
.crumb .sep { color: #d1d5db; }
.crumb .cur { color: #0a2242; font-weight: 600; }
.crumb .back { margin-left: auto; color: #1156c4; }

/* ===== 通用区块 ===== */
.sec { margin-top: 44px; scroll-margin-top: 80px; }
.sec-head { display: flex; align-items: baseline; justify-content: space-between; margin-bottom: 16px; gap: 12px; flex-wrap: wrap; }
.sec-title { font-size: 21px; font-weight: 700; color: #0a2242; }
.sec-title small { font-size: 12.5px; font-weight: 400; color: #9ca3af; margin-left: 10px; }
.sec-sub { font-size: 12.5px; color: #6b7280; line-height: 1.8; margin-bottom: 16px; max-width: 880px; }
.kind-tag { display: inline-block; font-size: 11px; border-radius: 5px; padding: 2px 10px; margin-left: 10px; vertical-align: 2px; white-space: nowrap; }
.kind-tag.priv { color: #b25e00; background: #fff1de; border: 1px solid #ffd6a6; }
.kind-tag.pub { color: #0e8a4d; background: #e8f8ef; border: 1px solid #bde8cd; }

/* ===== Hero（馆/主题/主办商/活动共用藏青头区）===== */
.hero { position: relative; overflow: hidden; background: linear-gradient(112deg, #071d31 0%, #0a3450 56%, #173823 100%); color: #fff; }
.hero:after { content: ""; position: absolute; inset: 0; pointer-events: none; background: linear-gradient(90deg, rgba(3,15,25,.52), transparent 62%), repeating-linear-gradient(90deg, transparent 0, transparent 79px, rgba(255,255,255,.035) 80px); }
.hero .bg { position: absolute; inset: 0; }
/* meeting_media_html 包了一层 .mfb（img 绝对定位在其中），不撑高则高度塌陷图片不显示 */
.hero .bg .mfb { position: absolute; inset: 0; }
.hero .bg img { width: 100%; height: 100%; object-fit: cover; opacity: .42; display: block; filter: saturate(.78) contrast(1.12); }
.hero-inner { position: relative; z-index: 1; padding: 54px 0 48px; }
.hero.split { display: grid; grid-template-columns: minmax(0,1fr) 292px; gap: 72px; align-items: end; }
.hero-kicker { font-size: 12px; letter-spacing: 2px; color: #fcd34d; margin-bottom: 10px; }
.hero-tag { display: inline-flex; align-items: center; gap: 8px; font-size: 12px; color: #ffd66d; border: 1px solid rgba(255,214,109,.48); border-radius: 3px; padding: 5px 10px; margin-bottom: 16px; background: rgba(4,25,39,.38); }
.hero-name { font-size: 38px; font-weight: 700; letter-spacing: 0; line-height: 1.24; text-shadow: 0 2px 22px rgba(0,0,0,.22); }
.hero-scope { margin-top: 14px; font-size: 15px; color: rgba(236,245,250,.88); line-height: 1.8; max-width: 680px; }
.hall-hero-guide { display: flex; align-items: center; gap: 10px; margin-top: 23px; color: rgba(235,244,247,.75); font-size: 12px; }
.hall-hero-guide .guide-label { color: #ffd66d; font-weight: 700; margin-right: 5px; }
.hall-hero-guide i { width: 22px; height: 1px; background: rgba(255,214,109,.55); }
.hero-org { margin-top: 8px; font-size: 13.5px; color: rgba(226,238,250,.75); }
.hero-org a { color: #fcd34d; }
.hero-org a:hover { text-decoration: underline; }
.hero-stats { display: flex; gap: 0; margin-top: 28px; flex-wrap: wrap; }
.hero-stats > div { min-width: 112px; padding: 0 24px; border-left: 1px solid rgba(255,255,255,.2); }
.hero-stats > div:first-child { border-left: 0; padding-left: 0; }
.hero-stats b { display: block; font-size: 27px; color: #ffd15d; font-weight: 700; }
.hero-stats span { font-size: 12px; color: rgba(226,238,250,.72); margin-top: 3px; display: block; }
.hero-note { position: relative; padding: 0 0 18px; font-size: 12.5px; color: rgba(226,238,250,.55); line-height: 1.8; }
.hero-actions { display: flex; flex-direction: column; gap: 10px; padding: 18px; background: rgba(5,24,38,.5); border: 1px solid rgba(255,255,255,.2); border-top: 3px solid #e5a52c; }
.hero-actions .btn { height: 48px; font-size: 14px; border-radius: 3px; }
.btn-hall-main { background: #e5a52c; color: #172333; font-weight: 700; border: none; }
.btn-hall-sub { background: rgba(255,255,255,.08); color: #fff; border: 1px solid rgba(255,255,255,.35); font-weight: 600; }
.hero-action-note { font-size: 11px; color: rgba(235,244,247,.58); text-align: center; padding-top: 2px; }
.btn-hall-main:hover, .btn-hall-sub:hover { filter: brightness(1.08); }

/* ===== 近期联合活动（横向滚动）===== */
.evt-strip { display: flex; gap: 16px; overflow-x: auto; padding: 2px 2px 14px; scroll-snap-type: x proximity; }
/* 馆页三 TAB 面板与活动网格（全站串联 G4） */
.hpane { display: none; }
.hpane.on { display: block; }
.evt-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(260px, 1fr)); gap: 16px; }
.evt-grid .evt { flex: none; }
.evt-strip::-webkit-scrollbar { height: 8px; }
.evt-strip::-webkit-scrollbar-thumb { background: #d5d9e0; border-radius: 99px; }
.evt { flex: 0 0 272px; scroll-snap-align: start; background: #fff; border-radius: 8px; overflow: hidden; box-shadow: 0 4px 16px rgba(6,22,43,.06); display: flex; flex-direction: column; transition: all .22s; }
.evt:hover { transform: translateY(-3px); box-shadow: 0 10px 24px rgba(6,22,43,.11); }
.evt .poster { height: 118px; position: relative; background: linear-gradient(135deg,#123a5c,#0a2242); }
.evt .poster img { width: 100%; height: 100%; object-fit: cover; display: block; }
.evt .state { position: absolute; left: 10px; top: 10px; font-size: 11px; color: #fff; padding: 3px 10px; border-radius: 6px; }
.state--reg { background: rgba(14,138,77,.92); }
.state--up { background: rgba(17,86,196,.92); }
.state--pre { background: rgba(107,114,128,.9); }
.state--ended { background: rgba(107,114,128,.82); }
.evt .body { padding: 13px 15px 15px; display: flex; flex-direction: column; flex: 1; }
.evt .e-name { font-size: 14.5px; font-weight: 700; color: #0a2242; line-height: 1.45; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; min-height: 42px; }
.evt .e-meta { font-size: 12px; color: #9ca3af; margin-top: 6px; line-height: 1.6; }
.evt .e-btn { margin-top: auto; padding-top: 12px; }
.evt .e-btn a { display: block; width: 100%; text-align: center; font-size: 12.5px; border-radius: 8px; padding: 8px 0; border: 1px solid #e5e7eb; color: #374151; background: #fff; }
.evt .e-btn a.main { background: #0a2242; border-color: #0a2242; color: #fff; font-weight: 600; }
.evt .e-btn a.main:hover { background: #123a5c; }
.evt .e-btn a:hover { border-color: #0a2242; }
.hist-row { display: flex; align-items: center; justify-content: space-between; gap: 12px; margin-top: 6px; padding: 12px 16px; background: #fff; border: 1px solid #eef0f3; border-radius: 8px; }
.hist-row .txt { font-size: 12.5px; color: #6b7280; line-height: 1.6; }
.hist-btn { border: 1px solid #d6dae1; background: #fff; color: #0a2242; font-size: 13px; font-weight: 600; border-radius: 999px; padding: 8px 20px; cursor: pointer; flex: none; }
.hist-btn:hover { border-color: #0a2242; }

/* ===== 企业展位区 ===== */
.booth-tools { display: flex; gap: 12px; align-items: center; flex-wrap: wrap; margin: 22px 0 18px; padding-bottom: 16px; border-bottom: 1px solid #dfe4e8; }
.b-search { flex: 1; min-width: 220px; max-width: 420px; display: flex; background: #fff; border: 1px solid #d6dae1; border-radius: 999px; padding: 4px 4px 4px 18px; align-items: center; }
.b-search input { flex: 1; border: none; outline: none; font-size: 13.5px; background: transparent; min-width: 0; }
.b-search .go { border: none; border-radius: 999px; background: #0a2242; color: #fff; font-size: 13px; padding: 8px 20px; cursor: pointer; flex: none; }
.b-search:focus-within { border-color: #0a2242; }
.b-order-tip { font-size: 12px; color: #9ca3af; }
.booth-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.bcard { background: #fff; border-radius: 4px; overflow: hidden; border: 1px solid #e1e6e9; box-shadow: 0 5px 18px rgba(6,22,43,.055); display: flex; flex-direction: column; transition: transform .22s, box-shadow .22s, border-color .22s; }
.bcard:hover { transform: translateY(-4px); border-color: #c8973e; box-shadow: 0 14px 30px rgba(6,22,43,.13); }
.bcard .media { position: relative; aspect-ratio: 16/9; overflow: hidden; background: #12354a; }
.bcard .media img, .bcard .media video { width: 100%; height: 100%; object-fit: cover; display: block; background: #0a2242; }
.media-fallback { width: 100%; height: 100%; display: flex; align-items: flex-end; justify-content: space-between; padding: 15px; color: rgba(255,255,255,.78); background: linear-gradient(135deg, #12374b, #173e32); position: relative; overflow: hidden; }
.media-fallback:before { content: ""; position: absolute; width: 168px; height: 168px; right: -39px; top: -68px; border: 1px solid rgba(255,211,91,.38); transform: rotate(36deg); }
.media-fallback span { position: relative; z-index: 1; font-size: 11px; letter-spacing: 1px; }
.media-fallback b { position: relative; z-index: 1; color: #ffd15d; font-size: 42px; line-height: 1; }
.bcard .b-no { position: absolute; left: 8px; top: 8px; font-size: 10.5px; font-weight: 700; color: #b25e00; background: #fff1de; border: 1px solid #ffd6a6; border-radius: 5px; padding: 1px 7px; }
.bcard .b-media { position: absolute; right: 8px; top: 8px; font-size: 10.5px; color: #fff; background: rgba(10,34,66,.6); border-radius: 5px; padding: 1px 7px; }
.bcard .body { padding: 15px 16px 16px; display: flex; flex-direction: column; flex: 1; }
.bcard .b-name { font-size: 15px; font-weight: 700; color: #102c42; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.bcard .b-biz { font-size: 12px; color: #627382; margin-top: 7px; line-height: 1.65; height: 39px; overflow: hidden; }
.bcard .b-foot { display: flex; align-items: center; margin-top: auto; padding-top: 14px; gap: 8px; border-top: 1px solid #edf0f2; }
.duty { font-size: 11px; display: inline-flex; align-items: center; gap: 4px; white-space: nowrap; }
.duty .dot { width: 6px; height: 6px; border-radius: 50%; }
.duty.human { color: #0e8a4d; } .duty.human .dot { background: #12b76a; box-shadow: 0 0 4px #12b76a; }
.duty.ai { color: #1156c4; } .duty.ai .dot { background: #4a90e2; box-shadow: 0 0 4px #4a90e2; }
.duty.basic { color: #9ca3af; } .duty.basic .dot { background: #d1d5db; }
.talk { margin-left: auto; font-size: 12px; font-weight: 700; color: #12354a; background: #f4b638; border-radius: 3px; padding: 7px 13px; cursor: pointer; border: none; box-shadow: none; white-space: nowrap; }
.talk:hover { opacity: .9; }
.b-plain { margin-left: auto; font-size: 11px; color: #b6bcc6; white-space: nowrap; }
.empty { padding: 46px 20px; text-align: center; background: #fff; border: 1px dashed #d6dae1; border-radius: 8px; color: #9ca3af; font-size: 13.5px; line-height: 1.9; }
.empty b { display: block; font-size: 15px; color: #4b5563; margin-bottom: 4px; }

/* ===== 联合运营方（紧凑区）===== */
.org-sec { margin-top: 52px; background: #fff; border-top: 1px solid #e8eaee; }
.org-inner { padding: 34px 0 38px; }
.org-title { font-size: 19px; font-weight: 700; color: #0a2242; }
.org-sub { font-size: 12.5px; color: #9ca3af; margin-top: 4px; line-height: 1.7; }
.org-list { margin-top: 18px; border-top: 1px solid #eef0f3; }
.org-row { display: grid; grid-template-columns: minmax(0,1.2fr) minmax(0,1.4fr) auto; gap: 18px; align-items: center; padding: 15px 4px; border-bottom: 1px solid #eef0f3; transition: background .15s; }
.org-row:hover { background: #f7f9fc; }
.org-row .o-name { font-size: 14.5px; font-weight: 700; color: #0a2242; }
.org-row .o-theme { font-size: 12.5px; color: #4b5563; line-height: 1.6; }
.org-row .o-theme em { font-style: normal; color: #9ca3af; }
.org-row .o-city { font-size: 12px; color: #9ca3af; white-space: nowrap; }
.org-row .o-city:after { content: " ›"; color: #c9ced6; }

/* ===== 共享馆卡网格（主题页/主办商页/活动页共用）===== */
.hall-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.hall { background: #fff; border-radius: 8px; overflow: hidden; box-shadow: 0 4px 16px rgba(6,22,43,.06); transition: all .22s; display: block; }
.hall:hover { transform: translateY(-3px); box-shadow: 0 12px 26px rgba(6,22,43,.11); }
.hall .cover { height: 110px; position: relative; background: linear-gradient(135deg,#0a2242,#123a5c); }
.hall .cover .mfb { position: absolute; inset: 0; }
.hall .cover img { width: 100%; height: 100%; object-fit: cover; display: block; }
.hall .joint { position: absolute; right: 8px; bottom: 8px; font-size: 10.5px; color: #fff; background: rgba(14,138,77,.88); border-radius: 5px; padding: 2px 8px; }
.hall .body { padding: 12px 14px 14px; }
.hall .h-name { font-size: 15px; font-weight: 700; color: #0a2242; line-height: 1.4; }
.hall .h-sub { font-size: 11.5px; color: #9ca3af; margin-top: 5px; line-height: 1.55; }
.hall .h-meta { display: flex; gap: 8px; margin-top: 9px; font-size: 11px; color: #4b5563; }
.hall .h-meta span { background: #f2f3f5; border-radius: 4px; padding: 2px 8px; white-space: nowrap; }
.relation-tip { margin-top: 14px; font-size: 12.5px; color: #6b7280; background: #fff; border: 1px solid #eef0f3; border-radius: 8px; padding: 12px 16px; line-height: 1.85; }
.relation-tip b { color: #0a2242; }

/* ===== 主办商主页 ===== */
.org-hero-inner { display: flex; gap: 26px; align-items: center; }
.org-logo { width: 76px; height: 76px; border-radius: 8px; background: rgba(255,255,255,.1); border: 1px solid rgba(255,255,255,.28); display: flex; align-items: center; justify-content: center; font-size: 28px; flex: none; color: #fcd34d; }
.theme-card { background: #fff; border-radius: 8px; box-shadow: 0 4px 16px rgba(6,22,43,.06); padding: 22px 24px; display: grid; grid-template-columns: minmax(0,1fr) auto; gap: 18px; align-items: center; transition: all .22s; border-left: 4px solid #d97706; }
.theme-card:hover { transform: translateY(-3px); box-shadow: 0 12px 26px rgba(6,22,43,.11); }
.theme-card .t-name { font-size: 18px; font-weight: 700; color: #0a2242; }
.theme-card .t-desc { font-size: 13px; color: #6b7280; line-height: 1.75; margin-top: 7px; max-width: 760px; }
.theme-card .t-meta { display: flex; gap: 8px; margin-top: 10px; flex-wrap: wrap; }
.theme-card .t-meta span { font-size: 11.5px; color: #4b5563; background: #f2f3f5; border-radius: 4px; padding: 2px 9px; }
.theme-card .go { border: 1px solid #0a2242; color: #0a2242; background: #fff; border-radius: 999px; padding: 9px 22px; font-size: 13px; font-weight: 600; white-space: nowrap; }
.theme-card .go:hover { background: #0a2242; color: #fff; }
.act-list { background: #fff; border-radius: 8px; box-shadow: 0 4px 16px rgba(6,22,43,.06); overflow: hidden; }
.act-row { display: grid; grid-template-columns: 128px minmax(0,1fr) 118px 96px; gap: 16px; align-items: center; padding: 16px 22px; border-bottom: 1px solid #f0f2f5; transition: background .15s; }
.act-row:last-child { border-bottom: none; }
.act-row:hover { background: #f7f9fc; }
.act-date { font-size: 12.5px; color: #0a2242; font-weight: 700; line-height: 1.5; }
.act-date small { display: block; font-weight: 400; color: #9ca3af; font-size: 11.5px; }
.act-name { font-size: 14.5px; font-weight: 600; color: #1a1a1a; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.act-name .prev { font-size: 11px; color: #9ca3af; font-weight: 400; margin-left: 8px; }
.act-city { font-size: 12.5px; color: #6b7280; }
.badge { display: inline-block; font-size: 11px; border-radius: 5px; padding: 2px 9px; white-space: nowrap; text-align: center; }
.badge.reg { color: #0e8a4d; background: #e8f8ef; }
.badge.up { color: #1156c4; background: #eef4fd; }
.badge.pre { color: #9ca3af; background: #f2f3f5; }
.badge.ended { color: #6b7280; background: #f2f3f5; }
.act-open { border: 1px solid #e5e7eb; background: #fff; color: #374151; border-radius: 999px; font-size: 12px; padding: 6px 14px; white-space: nowrap; display: inline-block; }
.act-open:hover { border-color: #0a2242; color: #0a2242; }

/* ===== 主题页：当前活动 + 历届时间轴 ===== */
.up-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.up-card { background: #fff; border-radius: 8px; overflow: hidden; box-shadow: 0 4px 16px rgba(6,22,43,.06); display: flex; flex-direction: column; transition: all .22s; }
.up-card:hover { transform: translateY(-3px); box-shadow: 0 12px 26px rgba(6,22,43,.11); }
.up-card .poster { height: 128px; position: relative; background: linear-gradient(135deg,#123a5c,#0a2242); }
.up-card .poster img { width: 100%; height: 100%; object-fit: cover; display: block; }
.up-card .state { position: absolute; left: 10px; top: 10px; font-size: 11px; color: #fff; padding: 3px 10px; border-radius: 6px; }
.up-card .body { padding: 13px 15px 15px; display: flex; flex-direction: column; flex: 1; }
.up-card .u-name { font-size: 15px; font-weight: 700; color: #0a2242; line-height: 1.45; }
.up-card .u-meta { font-size: 12px; color: #9ca3af; margin-top: 6px; line-height: 1.6; }
.up-card .u-btn { margin-top: auto; padding-top: 12px; }
.up-card .u-btn a { display: block; text-align: center; font-size: 12.5px; border-radius: 8px; padding: 8px 0; border: 1px solid #e5e7eb; color: #374151; }
.up-card .u-btn a.main { background: #0a2242; border-color: #0a2242; color: #fff; font-weight: 600; }
.hist { background: #fff; border-radius: 8px; box-shadow: 0 4px 16px rgba(6,22,43,.06); padding: 6px 22px; }
.hrow { display: grid; grid-template-columns: 110px minmax(0,1fr) 90px; gap: 16px; align-items: center; padding: 13px 0; border-bottom: 1px dashed #eef0f3; font-size: 13px; }
.hrow:last-child { border-bottom: none; }
.hrow .hd { color: #9ca3af; font-size: 12.5px; }
.hrow .hn { color: #374151; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.hrow .hs { color: #9ca3af; font-size: 12px; text-align: right; }

/* ===== 活动详情：本场私有馆预览 + 共享馆区块 ===== */
.priv-wrap { background: #fff; border-radius: 8px; box-shadow: 0 4px 16px rgba(6,22,43,.06); padding: 20px 22px; }
.priv-top { display: flex; align-items: center; justify-content: space-between; gap: 14px; flex-wrap: wrap; }
.priv-org { font-size: 12.5px; color: #9ca3af; }
.priv-btn { border: none; border-radius: 999px; background: linear-gradient(135deg,#f59e0b,#d97706); color: #fff; font-size: 13.5px; font-weight: 700; padding: 10px 26px; box-shadow: 0 4px 12px rgba(245,158,11,.28); white-space: nowrap; display: inline-block; }
.priv-btn:hover { filter: brightness(1.06); }
.diff-tip { margin-top: 14px; font-size: 12.5px; color: #6b7280; background: #fff; border: 1px solid #eef0f3; border-radius: 8px; padding: 12px 16px; line-height: 1.85; }
.diff-tip b { color: #0a2242; }

/* ===== 页脚（五页统一）===== */
.footer { margin-top: 56px; background: #0a2242; color: rgba(255,255,255,.6); padding: 34px 0 26px; }
.footer-inner { display: flex; align-items: center; gap: 14px; flex-wrap: wrap; }
.footer .f-brand { font-size: 16px; font-weight: 700; color: #fff; }
.footer .f-brand em { font-style: normal; color: #fbbf24; }
.footer .f-line { font-size: 12.5px; }
.footer-copy { margin-top: 18px; padding-top: 16px; border-top: 1px solid rgba(255,255,255,.1); font-size: 11.5px; color: rgba(255,255,255,.4); display: flex; gap: 18px; flex-wrap: wrap; }

/* ===== Toast ===== */
.toast { position: fixed; left: 50%; bottom: 42px; transform: translateX(-50%) translateY(20px); background: rgba(10,34,66,.92); color: #fff; font-size: 13px; padding: 10px 22px; border-radius: 999px; opacity: 0; pointer-events: none; transition: all .25s; z-index: 99; max-width: 86vw; text-align: center; }
.toast.show { opacity: 1; transform: translateX(-50%) translateY(0); }

/* ===== 响应式 ===== */
@media (max-width: 960px) {
  .nav { display: none; }
  .hero.split { grid-template-columns: 1fr; gap: 22px; padding: 30px 0 34px; }
  .hero-name { font-size: 24px; }
  .hero-actions { flex-direction: row; }
  .hero-actions .btn { flex: 1; }
  .booth-grid { grid-template-columns: repeat(2, 1fr); }
  .org-row { grid-template-columns: 1fr; gap: 4px; }
  .org-row .o-city { white-space: normal; }
  .up-grid, .hall-grid { grid-template-columns: 1fr; }
  .hrow { grid-template-columns: 88px minmax(0,1fr); }
  .hrow .hs { display: none; }
  .org-hero-inner { flex-direction: column; align-items: flex-start; gap: 16px; }
  .theme-card { grid-template-columns: 1fr; }
  .theme-card .go { justify-self: start; }
  .crumb .back { display: none; }
}
@media (max-width: 640px) {
  .topbar-inner { gap: 12px; height: auto; min-height: 56px; padding: 8px 24px; }
  .brand .slogan { display: none; }
  .brand { font-size: 15.5px; }
  .btn { white-space: nowrap; padding: 8px 14px; font-size: 12.5px; }
  .booth-grid { grid-template-columns: 1fr; }
  .hero-stats { gap: 20px; }
  .hero-actions { flex-direction: column; }
  .act-row { grid-template-columns: 1fr; gap: 6px; padding: 14px 18px; }
  .act-name { white-space: normal; }
}