/* 四海之家丰收秋游节 · 共用样式（暖秋插画风：奶白底、酒红标题、橄榄绿、柿橙点缀） */
:root{
  --brand:#7d3c4b; --brand-dark:#5f2a38; --brand-soft:#f5e6e8; --brand-mid:#e2bcc3;
  --olive:#6f8f4e; --olive-dark:#4f6b35; --olive-soft:#e9f0dc;
  --accent:#bf5a28; --accent-dark:#a34a1e; --persimmon:#d9774a; --persimmon-soft:#fbe7db;
  --bg:#fbf6ec; --surface:#fffdf8; --surface-2:#f3ead7; --line:#e8dcc4; --line-strong:#d3c4a4;
  --text:#3b2c2c; --muted:#6c5d57; --danger:#b0352b; --ok:#4f6b35; --ok-soft:#e9f0dc; --focus:#2a6fdb;
  --radius:14px; --shadow:0 1px 2px rgba(80,50,30,.06),0 4px 14px rgba(80,50,30,.06);
  --font:system-ui,-apple-system,"PingFang SC","PingFang TC","Microsoft YaHei","Noto Sans SC","Noto Sans TC",sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{margin:0;font-family:var(--font);font-size:16px;line-height:1.65;color:var(--text);background:var(--bg);overflow-x:hidden}
h1,h2,h3{line-height:1.3;margin:0 0 .5em;color:var(--brand)}
p{margin:0 0 .8em}
a{color:var(--brand-dark)}
img{max-width:100%;display:block}
button,input,select,textarea{font:inherit;color:inherit}
:focus-visible{outline:3px solid var(--focus);outline-offset:2px}
[hidden]{display:none!important}
.muted{color:var(--muted)} .small{font-size:14px} .xs{font-size:13px} .center{text-align:center}
.icon{width:20px;height:20px;flex:none;stroke:currentColor;fill:none;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}

/* 按钮 */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:48px;padding:0 20px;border-radius:12px;border:1px solid transparent;font-weight:600;font-size:16px;line-height:1.2;cursor:pointer;text-decoration:none;background:var(--surface-2);color:var(--text);transition:background .15s,border-color .15s;text-align:center}
.btn-primary{background:var(--accent);color:#fff}
.btn-primary:hover{background:var(--accent-dark)}
.btn-outline{background:var(--surface);border-color:var(--line-strong);color:var(--brand-dark)}
.btn-outline:hover{background:var(--brand-soft);border-color:var(--brand-mid)}
.btn-danger{background:var(--danger);color:#fff}
.btn-lg{min-height:56px;font-size:18px;padding:0 28px}
.btn-sm{min-height:40px;padding:0 14px;font-size:15px}
.btn-block{display:flex;width:100%}
.btn[disabled]{opacity:.6;cursor:wait}
.linkbtn{appearance:none;border:0;background:none;padding:6px 4px;min-height:36px;color:var(--brand-dark);text-decoration:underline;font-weight:600;font-size:14px;cursor:pointer}

/* 顶栏 */
.top{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:10px 16px;border-bottom:1px solid var(--line);background:var(--surface)}
.brand{display:inline-flex;align-items:center;gap:10px;text-decoration:none;color:var(--brand);font-weight:800;font-size:18px;letter-spacing:.06em;min-width:0}
.brand img{width:32px;height:32px;border-radius:6px}
.brand span{line-height:1.25}
.top-link{font-weight:600;font-size:15px;text-decoration:none}
.top-r{display:flex;align-items:center;gap:12px;min-width:0}
.top-who{white-space:nowrap;overflow:hidden;text-overflow:ellipsis;max-width:150px}
.lang{display:inline-flex;border:1px solid var(--line-strong);border-radius:99px;overflow:hidden;background:var(--surface);flex:none}
.lang button{appearance:none;border:0;background:none;min-width:40px;min-height:36px;padding:0 10px;font-size:14px;font-weight:600;color:var(--muted);cursor:pointer}
.lang button+button{border-left:1px solid var(--line)}
.lang button[aria-pressed="true"]{background:var(--brand);color:#fff}
.lang button:hover:not([aria-pressed="true"]){background:var(--brand-soft);color:var(--brand-dark)}

/* 徽标 / 卡片 */
.badge{display:inline-flex;align-items:center;gap:5px;padding:2px 10px;border-radius:99px;font-size:13px;font-weight:600;line-height:1.6;background:var(--surface-2);color:var(--muted);white-space:nowrap}
.badge-brand{background:var(--brand-soft);color:var(--brand-dark)}
.badge-ok{background:var(--ok-soft);color:var(--ok)}
.badge-ok::before{content:"";width:6px;height:6px;border-radius:50%;background:currentColor}
.card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:16px;box-shadow:var(--shadow)}

/* 手机：单栏 */
.hero-poster{padding:16px 16px 0}
.poster{display:block;max-width:420px;margin:0 auto;border-radius:12px;overflow:hidden;box-shadow:0 8px 24px rgba(80,50,30,.18);cursor:zoom-in;background:#fff}
.poster img{width:100%;height:auto}
.hero-text{padding:18px 16px 4px}
.hero-tags{display:flex;flex-wrap:wrap;gap:6px;margin-bottom:10px}
.event-title{font-size:28px;font-weight:800;margin:0 0 4px;letter-spacing:.02em}
.event-sub{color:var(--muted);font-size:16px;margin:0;font-weight:600}
html[lang="en"] .event-title{font-size:25px;letter-spacing:0}
.hero-info{padding:4px 16px}
.hero-info .info-list li:last-child{border-bottom:0}
.live{margin:10px 16px 0;padding:14px 16px;border-radius:var(--radius);background:var(--olive-soft);border:1px solid #d5e2bf}
.live-main{font-size:18px;color:var(--olive-dark);font-weight:600}
.live-main b{font-size:26px;font-variant-numeric:tabular-nums;margin:0 2px}
.live-sub{font-size:15px;color:var(--text)}
.live-note{font-size:14px;color:var(--muted);margin-top:4px}
.live-note.cap-full{color:var(--danger);font-weight:700}
.hero-cta{display:grid;grid-template-columns:1fr 1fr;gap:10px;padding:14px 16px 4px}
.hero-cta .btn-primary,.hero-cta .btn:last-child{grid-column:1/-1}
.section{padding:20px 16px}
.section+.section,.col-main>.section:first-child{border-top:8px solid var(--surface-2)}
.section>h2{display:flex;align-items:center;gap:8px;font-size:20px}
.section>h2::before{content:"";width:5px;height:20px;border-radius:3px;background:var(--olive)}
.info-list{list-style:none;padding:0;margin:0}
.info-list li{display:flex;gap:12px;padding:11px 0;border-bottom:1px solid var(--line)}
.info-list li:last-child{border-bottom:0}
.info-ic{width:38px;height:38px;border-radius:10px;background:var(--persimmon-soft);color:var(--accent-dark);display:grid;place-items:center;flex:none}
.info-list b{display:block;font-size:16px;overflow-wrap:anywhere}
.info-list span:not(.info-ic){font-size:14.5px;color:var(--muted);overflow-wrap:anywhere}
.prose p{margin-bottom:.9em}
.letter .greet{font-weight:700;color:var(--brand);font-size:17px}
.callout{background:var(--persimmon-soft);border-left:4px solid var(--persimmon);border-radius:0 10px 10px 0;padding:12px 14px;margin:1em 0}
.map{display:block;width:100%;height:200px;border:1px solid var(--line);border-radius:12px;margin:4px 0 10px;background:var(--surface-2)}
.side-link{display:inline-block;font-weight:600;font-size:14.5px}
.d-only{display:none}
.site-foot{border-top:1px solid var(--line);padding:22px 16px 30px;text-align:center;color:var(--muted);font-size:13.5px}
.has-cta{padding-bottom:84px}
.cta-bar{position:fixed;left:0;right:0;bottom:0;z-index:50;background:rgba(255,253,248,.98);border-top:1px solid var(--line);padding:10px 16px calc(10px + env(safe-area-inset-bottom));box-shadow:0 -4px 14px rgba(80,50,30,.08)}
.cta-inner{max-width:560px;margin:0 auto;display:flex;align-items:center;gap:12px}
.cta-info{flex:1;font-size:13px;color:var(--muted);line-height:1.4;min-width:0}
.cta-info b{display:block;color:var(--text);font-size:15px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.cta-info span{display:block;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.cta-inner .btn{flex:none;white-space:nowrap;padding:0 22px;min-height:50px}
.toast{position:fixed;left:50%;bottom:96px;transform:translateX(-50%);z-index:500;background:#3b2c2c;color:#fff;padding:11px 20px;border-radius:12px;font-size:15px;max-width:calc(100vw - 32px);box-shadow:0 8px 24px rgba(0,0,0,.25)}

/* 活动项目 */
.acts{display:grid;grid-template-columns:repeat(3,1fr);gap:10px}
.act{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:4px;text-align:center;padding:14px 6px;border-radius:12px;background:var(--surface);border:1px solid var(--line);font-weight:600;font-size:15px;line-height:1.3}
.act .ai{font-size:30px;line-height:1.2}

/* 大家带什么 */
.food-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:8px}
.food-chip{display:flex;align-items:center;gap:6px;padding:8px 10px;border-radius:12px;border:1px solid var(--line);background:var(--surface);min-height:46px;color:var(--muted)}
.food-chip .fi{font-size:18px}
.food-chip .fn{flex:1;font-size:14px;line-height:1.25;min-width:0}
.food-chip b{font-size:18px;font-variant-numeric:tabular-nums}
.food-chip.has{background:var(--olive-soft);border-color:#d5e2bf;color:var(--olive-dark)}
.food-chip.has b{color:var(--olive-dark)}

/* 接龙名单 */
.roll{list-style:none;margin:0;padding:0}
.roll li{display:flex;flex-wrap:wrap;align-items:baseline;gap:2px 10px;padding:10px 0;border-bottom:1px dashed var(--line-strong);line-height:1.5}
.roll li:last-child{border-bottom:0}
.roll .ln{min-width:28px;color:var(--muted);font-variant-numeric:tabular-nums;text-align:right}
.roll .lname{color:var(--text);font-size:16px}
.roll .lcnt{color:var(--brand-dark);font-size:15px}
.roll .lfood{flex-basis:100%;padding-left:38px;font-size:15px;color:var(--olive-dark);overflow-wrap:anywhere}
.roll .lfood.none{color:var(--muted)}
.roll-empty{margin:0;padding:18px 14px;text-align:center;border-radius:12px;background:var(--surface);border:1px dashed var(--line-strong);color:var(--muted)}
.roll-more{margin-top:12px}

/* 表单 */
.page-h{font-size:24px}
.field{margin-bottom:20px}
.field>label,.label{display:block;font-weight:600;margin-bottom:6px;font-size:16px}
.req{color:var(--danger);margin-left:2px}
.opt{color:var(--muted);font-weight:400;font-size:13px;margin-left:6px}
.input,.textarea{display:block;width:100%;min-height:50px;padding:10px 12px;border:1px solid var(--line-strong);border-radius:10px;background:#fff;font-size:16px}
.textarea{min-height:96px;resize:vertical}
.input:focus,.textarea:focus{outline:none;border-color:var(--brand);box-shadow:0 0 0 3px var(--brand-mid)}
.hint{font-size:14px;color:var(--muted);margin-top:5px}
.total-hint{font-weight:600;color:var(--brand-dark)}
.error-msg{display:none;color:var(--danger);font-size:14px;margin-top:5px;font-weight:600}
.field.has-error .input{border-color:var(--danger);background:#fffafa}
.field.has-error .error-msg{display:block}
.field.has-error .choices,.field.has-error .pills,.field.has-error .people-grid{outline:2px solid var(--danger);outline-offset:4px;border-radius:10px}
.choices{display:grid;gap:8px}
.choice{display:flex;gap:10px;align-items:center;min-height:52px;padding:10px 12px;border:1px solid var(--line-strong);border-radius:10px;background:#fff;cursor:pointer;font-weight:500}
.choice input{width:22px;height:22px;accent-color:var(--brand);flex:none}
.choice:has(input:checked){border-color:var(--brand);background:var(--brand-soft);font-weight:600}
.pills{display:flex;flex-wrap:wrap;gap:8px}
.pill{position:relative;cursor:pointer}
.pill input{position:absolute;opacity:0;inset:0;width:100%;height:100%;margin:0;cursor:pointer}
.pill span{display:inline-flex;align-items:center;gap:6px;min-height:46px;padding:0 16px;border:1px solid var(--line-strong);border-radius:99px;background:#fff;font-weight:600;font-size:16px}
.pill i{font-style:normal}
.pill em{font-style:normal}
.pill input:checked+span{background:var(--olive);border-color:var(--olive);color:#fff}
.pill input:focus-visible+span{outline:3px solid var(--focus);outline-offset:2px}
.people-grid{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.pcol{min-width:0}
.stepper{display:flex;width:100%;border:1px solid var(--line-strong);border-radius:12px;overflow:hidden;background:#fff}
.stepper-sm{max-width:200px}
.stepper button{flex:none;width:50px;min-height:52px;border:0;background:var(--surface-2);font-size:24px;font-weight:600;cursor:pointer;color:var(--brand-dark)}
.stepper button:hover{background:var(--brand-soft)}
.stepper input{flex:1;min-width:0;width:100%;border:0;text-align:center;font-size:20px;font-weight:700;background:#fff;-moz-appearance:textfield}
.stepper input:focus{outline:none;background:var(--brand-soft)}
.stepper input::-webkit-outer-spin-button,.stepper input::-webkit-inner-spin-button{-webkit-appearance:none;margin:0}
.form-alert{display:none;margin-bottom:16px;padding:12px 14px;border-radius:12px;background:#fbe4e1;color:#8f2a21;font-size:15px}
.form-alert.on{display:block}
.form-alert.ok{background:var(--ok-soft);color:var(--olive-dark)}
.hp{position:absolute;left:-9999px;width:1px;height:1px;opacity:0}
.phone-card{display:flex;justify-content:space-between;align-items:center;gap:10px;margin-bottom:18px;padding:12px 14px}
.reg-aside{padding:14px 16px 0}
.side-sum b{color:var(--brand)}
.side-left{margin-top:6px;font-weight:600;color:var(--olive-dark);white-space:pre-line}
.side-left.bad{color:var(--danger)}

/* 报名倒计时 */
.cd{position:relative;overflow:hidden;margin-top:12px;padding:16px 14px 14px;text-align:center;background:linear-gradient(160deg,#fffaf2,var(--persimmon-soft));border-color:#f0d3c0;transition:background .4s,border-color .4s}
.cd-h{position:relative;font-weight:700;color:var(--brand);font-size:16px;margin-bottom:10px}
.cd-grid{position:relative;display:grid;grid-template-columns:repeat(4,1fr);gap:8px}
.cd-u{background:#fff;border:1px solid var(--line);border-radius:12px;padding:8px 0 6px;box-shadow:0 2px 6px rgba(125,60,75,.08);overflow:hidden}
.cd-n{display:block;font-size:28px;line-height:1.15;font-weight:800;color:var(--brand);font-variant-numeric:tabular-nums}
.cd-n.flip{animation:cd-flip .45s cubic-bezier(.2,.8,.3,1.2)}
.cd-l{display:block;font-size:12px;color:var(--muted);letter-spacing:.04em}
.cd-sub{position:relative;margin-top:10px;font-size:13px;font-weight:600;color:var(--olive-dark)}
.cd.urgent{background:linear-gradient(160deg,#fff4ec,#f9d6c2);border-color:var(--persimmon)}
.cd.urgent .cd-h{color:var(--accent-dark)}
.cd.urgent .cd-u:last-child{animation:cd-pulse 1s ease-in-out infinite}
.cd.urgent .cd-n{color:var(--accent-dark)}
.cd-leaves i{position:absolute;top:-24px;font-style:normal;font-size:16px;opacity:0;animation:cd-fall 9s linear infinite}
.cd-leaves i:nth-child(1){left:6%;animation-delay:0s}
.cd-leaves i:nth-child(2){left:24%;animation-delay:3.2s;animation-duration:11s;font-size:14px}
.cd-leaves i:nth-child(3){left:46%;animation-delay:6s;animation-duration:10s}
.cd-leaves i:nth-child(4){left:64%;animation-delay:1.5s;animation-duration:12s;font-size:13px}
.cd-leaves i:nth-child(5){left:82%;animation-delay:4.6s}
.cd-leaves i:nth-child(6){left:92%;animation-delay:7.8s;animation-duration:11s;font-size:14px}
.hero-main .cd{margin:12px 16px 0}
/* 活动页海报上飘落的秋叶（不挡点击） */
.poster-fx{position:relative;max-width:420px;margin:0 auto}
.fx-leaves{position:absolute;inset:0;z-index:2;pointer-events:none;overflow:hidden;border-radius:12px}
.fx-leaves i{font-size:26px;animation-name:fx-fall;animation-duration:12s;filter:drop-shadow(0 2px 3px rgba(80,40,20,.35))}
.fx-leaves i:nth-child(even){font-size:21px}
@keyframes fx-fall{
  0%{transform:translate(0,0) rotate(0);opacity:0}
  8%{opacity:.9}
  50%{transform:translate(30px,48vh) rotate(180deg)}
  90%{opacity:.7}
  100%{transform:translate(-14px,96vh) rotate(360deg);opacity:0}
}
@keyframes cd-flip{0%{transform:translateY(-70%) rotateX(80deg);opacity:0}100%{transform:none;opacity:1}}
@keyframes cd-pulse{0%,100%{transform:scale(1)}50%{transform:scale(1.06);box-shadow:0 0 0 4px rgba(217,119,74,.18)}}
@keyframes cd-fall{
  0%{transform:translate(0,0) rotate(0);opacity:0}
  10%{opacity:.85}
  50%{transform:translate(18px,90px) rotate(160deg)}
  85%{opacity:.6}
  100%{transform:translate(-10px,190px) rotate(320deg);opacity:0}
}
@media (prefers-reduced-motion:reduce){.cd-leaves,.fx-leaves{display:none}.cd-n.flip,.cd.urgent .cd-u:last-child{animation:none}}

/* 报名成功 */
.ticket{background:var(--surface);border:1px solid var(--line);border-radius:18px;box-shadow:var(--shadow);overflow:hidden}
.ticket-top{background:var(--brand);color:#fff;padding:22px 20px;text-align:center}
.ticket-top .check{width:52px;height:52px;border-radius:50%;background:rgba(255,255,255,.2);display:grid;place-items:center;margin:0 auto 10px}
.ticket-top h1{color:#fff;font-size:24px;margin:0 0 4px}
.ticket-body{padding:6px 18px 12px}
.ticket-body .info-list+.info-list{border-top:2px solid var(--line)}
.done-actions{display:grid;gap:10px;margin-top:16px}
.cancel-box{margin-top:16px;border-color:var(--brand-mid)}
.cancel-btns{display:grid;gap:8px;margin-top:10px}

/* ---------- 电脑：宽版 ---------- */
@media (min-width:900px){
  .wrap{max-width:1200px;margin:0 auto;padding:0 32px}
  .top{padding:14px max(32px,calc((100% - 1136px)/2))}
  .brand{font-size:20px}
  .brand img{width:38px;height:38px}
  .d-only{display:block}
  .has-cta{padding-bottom:0}
  .cta-bar{display:none}
  .hero-band{padding:40px 0 44px;border-bottom:1px solid var(--line);background:var(--surface-2)}
  .hero-grid{display:grid;grid-template-columns:400px minmax(0,1fr);gap:56px;align-items:start}
  .hero-poster{padding:0}
  .poster{margin:0;max-width:400px;box-shadow:0 14px 36px rgba(80,50,30,.22)}
  .hero-main{display:flex;flex-direction:column;gap:20px;min-width:0;padding-top:6px}
  .hero-text{padding:0}
  .event-title{font-size:clamp(34px,3.6vw,44px);line-height:1.2;margin-bottom:10px}
  html[lang="en"] .event-title{font-size:clamp(30px,3.2vw,40px)}
  .event-sub{font-size:19px}
  .hero-info{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow);padding:4px 22px}
  .hero-info .info-list li{padding:15px 0;gap:14px}
  .hero-info .info-ic{width:42px;height:42px}
  .hero-info .info-list b{font-size:17px}
  .hero-info .info-list span:not(.info-ic){font-size:15px}
  .live{margin:0;padding:16px 22px}
  .hero-main .cd{margin:0}
  .live-main b{font-size:30px}
  .hero-cta{display:flex;flex-wrap:wrap;gap:14px;padding:0}
  .hero-cta .btn{min-height:56px;padding:0 28px;font-size:17px}
  .hero-cta .btn-primary{padding:0 44px;font-size:19px}
  .page-cols{display:grid;grid-template-columns:minmax(0,2fr) minmax(0,1fr);gap:32px;align-items:start;padding:36px 0 64px}
  .col-main,.col-side{display:flex;flex-direction:column;gap:22px;min-width:0}
  .col-side{position:sticky;top:20px}
  .page-cols .section{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow);padding:26px 30px;border-top:1px solid var(--line)}
  .col-side .section{padding:20px}
  .col-main .section>h2{font-size:22px;margin-bottom:16px}
  .col-main .section>h2::before{height:22px}
  .col-side .section>h2{font-size:18px;margin-bottom:12px}
  .col-side .section>h2::before{height:18px}
  .col-main .prose{font-size:17px;line-height:1.85}
  .acts{grid-template-columns:repeat(6,1fr)}
  .food-grid{grid-template-columns:repeat(6,1fr)}
  .food-chip{flex-direction:column;justify-content:center;gap:2px;text-align:center;padding:10px 6px}
  .food-chip .fn{flex:none}
  .roll li{flex-wrap:nowrap}
  .roll .lfood{flex:1;flex-basis:auto;padding-left:0}
  .map{height:180px}
  .toast{bottom:40px}
  .cancel-btns{grid-template-columns:auto auto;justify-content:start}
  /* 报名页 */
  .reg-grid{display:grid;grid-template-columns:340px minmax(0,1fr);gap:40px;align-items:start;padding:36px 0 64px}
  .reg-aside{position:sticky;top:20px}
  .reg-aside .poster{max-width:none;margin-bottom:16px}
  .reg-main.section{padding:0;border-top:0}
  .reg-main{max-width:620px}
  .top-who{max-width:none}
}