:root{
  --red:#D93A2B; --red-d:#A82818; --red-l:#FDEBE8;
  --gold:#F7B32B; --gold-l:#FFF4DC;
  --teal:#17A398; --teal-l:#E4F6F4;
  --ink:#231815; --ink-2:#5B4B45; --ink-3:#8C7A73;
  --bg:#FFF8F3; --card:#FFFFFF; --line:#F0E0D8;
  --ok:#2E9E5B; --warn:#E08A1E; --bad:#C0392B;
  --r:14px; --sh:0 2px 12px rgba(35,24,21,.06);
}
*{box-sizing:border-box;-webkit-tap-highlight-color:transparent}
html,body{margin:0;padding:0}
body{
  font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei","Hiragino Sans GB",sans-serif;
  background:var(--bg); color:var(--ink); font-size:15px; line-height:1.7;
  -webkit-font-smoothing:antialiased;
}
a{color:var(--red);text-decoration:none}
img{max-width:100%;display:block}
button,input,select,textarea{font-family:inherit;font-size:15px}

/* ---------- 布局 ---------- */
.wrap{max-width:760px;margin:0 auto;padding:0 16px 64px}
.wrap-wide{max-width:1180px;margin:0 auto;padding:0 16px 48px}
.card{background:var(--card);border:1px solid var(--line);border-radius:var(--r);padding:18px;box-shadow:var(--sh);margin-bottom:14px}
.card.tight{padding:14px}
h1,h2,h3,h4{margin:0 0 10px;line-height:1.35}
h1{font-size:22px} h2{font-size:18px} h3{font-size:16px} h4{font-size:15px}
.muted{color:var(--ink-3);font-size:13px}
.small{font-size:13px}
.center{text-align:center}

/* ---------- 顶部 ---------- */
.hero{
  background:linear-gradient(160deg,#D93A2B 0%,#B52A1C 55%,#8E2013 100%);
  color:#fff;padding:26px 18px 30px;position:relative;overflow:hidden;
}
.hero::after{content:"";position:absolute;right:-60px;top:-40px;width:200px;height:200px;border-radius:50%;background:rgba(255,255,255,.07)}
.hero .tag{display:inline-block;background:rgba(255,255,255,.18);border:1px solid rgba(255,255,255,.35);
  padding:3px 10px;border-radius:99px;font-size:12px;margin-bottom:10px}
.hero h1{font-size:26px;margin:0 0 6px;letter-spacing:1px}
.hero .sub{font-size:14px;opacity:.92;margin:0}
.hero .meta{margin-top:14px;display:flex;flex-wrap:wrap;gap:8px}
.hero .meta span{background:rgba(0,0,0,.18);padding:4px 10px;border-radius:8px;font-size:12.5px}

.nav{display:flex;gap:6px;overflow-x:auto;padding:10px 0 4px;-webkit-overflow-scrolling:touch;scrollbar-width:none}
.nav::-webkit-scrollbar{display:none}
.nav a{flex:0 0 auto;background:#fff;border:1px solid var(--line);border-radius:99px;padding:7px 14px;font-size:13px;color:var(--ink-2)}
.nav a.on{background:var(--red);border-color:var(--red);color:#fff}
.nav a.teal-on{background:var(--teal);border-color:var(--teal);color:#fff}

/* ---------- 表单 ---------- */
.form-row{margin-bottom:14px}
label.lb{display:block;font-size:13.5px;font-weight:600;color:var(--ink-2);margin-bottom:6px}
label.lb .req{color:var(--red);font-weight:700}
label.lb .hint{font-weight:400;color:var(--ink-3);font-size:12.5px}
input[type=text],input[type=tel],input[type=number],select,textarea{
  width:100%;padding:11px 12px;border:1px solid #E3D3CB;border-radius:10px;background:#fff;color:var(--ink);
  outline:none;transition:border-color .15s,box-shadow .15s;
}
input:focus,select:focus,textarea:focus{border-color:var(--red);box-shadow:0 0 0 3px rgba(217,58,43,.12)}
textarea{min-height:88px;resize:vertical;line-height:1.6}
select{appearance:none;background-image:url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='12' height='8'><path d='M1 1l5 5 5-5' fill='none' stroke='%238C7A73' stroke-width='2'/></svg>");
  background-repeat:no-repeat;background-position:right 12px center;padding-right:34px}
.grid2{display:grid;grid-template-columns:1fr 1fr;gap:12px}
@media(max-width:520px){.grid2{grid-template-columns:1fr;gap:0}}

/* 开关 / 复选 */
.check{display:flex;align-items:flex-start;gap:10px;padding:11px 12px;border:1px solid #E3D3CB;border-radius:10px;background:#fff;cursor:pointer;margin-bottom:10px}
.check input{margin:3px 0 0;width:18px;height:18px;accent-color:var(--red);flex:0 0 auto}
.check .t{font-size:14px}
.check .d{font-size:12.5px;color:var(--ink-3);line-height:1.5;margin-top:2px}
.check.on{border-color:var(--red);background:var(--red-l)}
.chips{display:flex;flex-wrap:wrap;gap:8px;margin-top:8px}
.chip{border:1px solid #E3D3CB;background:#fff;border-radius:99px;padding:7px 13px;font-size:13px;cursor:pointer;user-select:none}
.chip.on{background:var(--red);border-color:var(--red);color:#fff}

/* ---------- 按钮 ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:6px;
  background:var(--red);color:#fff;border:none;border-radius:10px;padding:12px 18px;font-size:15px;font-weight:600;cursor:pointer}
.btn:active{background:var(--red-d)}
.btn.block{display:flex;width:100%}
.btn.ghost{background:#fff;color:var(--red);border:1px solid var(--red)}
.btn.gray{background:#F3EBE7;color:var(--ink-2)}
.btn.sm{padding:7px 12px;font-size:13px;border-radius:8px;font-weight:500}
.btn:disabled{opacity:.5;cursor:not-allowed}
.btn-row{display:flex;gap:10px;flex-wrap:wrap}

/* ---------- 徽标 ---------- */
.badge{display:inline-block;padding:2px 9px;border-radius:6px;font-size:12px;font-weight:600;line-height:1.8}
.b-pending{background:#FFF4DC;color:#A56A00}
.b-approved{background:#E4F6F4;color:#0E7A70}
.b-waitlist{background:#EEF1FF;color:#3A4FA8}
.b-rejected{background:#F2E4E2;color:#8E3226}
.b-cancelled{background:#F0EDEB;color:#7A6A64}
.b-ok{background:#E4F6F4;color:#0E7A70}
.b-vol{background:#FFE9E6;color:#B52A1C}

/* ---------- 表格 ---------- */
.tbl-wrap{overflow-x:auto;border:1px solid var(--line);border-radius:var(--r);background:#fff}
table{border-collapse:collapse;width:100%;font-size:13.5px;min-width:640px}
table.wide{min-width:1180px}
table.wide th,table.wide td{white-space:nowrap}
table.wide td.wrap{white-space:normal}
th,td{padding:9px 11px;text-align:left;border-bottom:1px solid #F3E7E2;vertical-align:top}
th{background:#FBF3EF;font-weight:600;color:var(--ink-2);position:sticky;top:0;z-index:2}
tr:last-child td{border-bottom:none}
tbody tr:hover{background:#FFFAF7}
td.nowrap{white-space:nowrap}

/* ---------- 统计卡 ---------- */
.stats{display:grid;grid-template-columns:repeat(auto-fit,minmax(96px,1fr));gap:10px;margin-bottom:14px}
.stat{background:#fff;border:1px solid var(--line);border-radius:12px;padding:12px 10px;text-align:center}
.stat .n{font-size:24px;font-weight:700;color:var(--red);line-height:1.2;font-variant-numeric:tabular-nums}
.stat .l{font-size:12px;color:var(--ink-3);margin-top:2px}

/* ---------- 提示条 ---------- */
.alert{border-radius:10px;padding:11px 13px;font-size:13.5px;margin-bottom:12px;border:1px solid}
.a-info{background:#F2F8FF;border-color:#CFE3FF;color:#2A4C7A}
.a-ok{background:#EAF7EF;border-color:#C6E9D3;color:#1F7A45}
.a-warn{background:#FFF6E6;border-color:#F5DFB0;color:#8A5A05}
.a-err{background:#FDECEA;border-color:#F6C9C3;color:#96271A}

/* ---------- 步骤 / 时间轴 ---------- */
.tl{border-left:2px solid var(--line);margin-left:8px;padding-left:16px}
.tl .it{position:relative;padding:0 0 16px}
.tl .it::before{content:"";position:absolute;left:-23px;top:6px;width:10px;height:10px;border-radius:50%;background:var(--red);border:2px solid #fff;box-shadow:0 0 0 2px var(--red-l)}
.tl .it .tm{font-size:12.5px;color:var(--red);font-weight:700}
.tl .it .tt{font-weight:600;margin:1px 0 2px}

/* ---------- 编码卡 ---------- */
.code-card{background:linear-gradient(150deg,#FFF6F4,#FFEDE9);border:1.5px dashed var(--red);border-radius:16px;padding:18px;text-align:center}
.code-card .code{font-size:26px;font-weight:800;letter-spacing:2px;color:var(--red-d);font-family:ui-monospace,Menlo,Consolas,monospace;margin:8px 0}
.code-card img.qr{width:170px;height:170px;margin:8px auto 4px;background:#fff;padding:8px;border-radius:12px;border:1px solid var(--line)}

/* ---------- 题目 ---------- */
.q{border:1px solid var(--line);border-radius:12px;background:#fff;padding:14px;margin-bottom:12px}
.q .qt{font-weight:600;margin-bottom:4px;line-height:1.55}
.q .dim{display:inline-block;background:var(--red-l);color:var(--red-d);border-radius:5px;padding:1px 7px;font-size:11.5px;margin-right:6px;font-weight:700}
.q .opts{margin-top:8px;display:flex;flex-direction:column;gap:7px}
.q .opt{display:flex;gap:9px;align-items:flex-start;padding:10px 12px;border:1px solid #E3D3CB;border-radius:9px;cursor:pointer;font-size:14px;line-height:1.55}
.q .opt.on{border-color:var(--red);background:var(--red-l)}
.q .opt .k{flex:0 0 auto;width:22px;height:22px;border-radius:50%;border:1px solid #D8C6BE;display:flex;align-items:center;justify-content:center;font-size:12px;color:var(--ink-3);margin-top:1px}
.q .opt.on .k{background:var(--red);border-color:var(--red);color:#fff}
.q.right{border-color:#C6E9D3}.q.wrong{border-color:#F6C9C3}
.q .exp{margin-top:9px;font-size:13px;padding:9px 11px;border-radius:8px;background:#FBF3EF;color:var(--ink-2)}

/* 找茬高亮 */
.textbox{background:#FCF7F4;border:1px solid var(--line);border-radius:10px;padding:14px;font-size:14.5px;line-height:2.05;letter-spacing:.3px}
.textbox .seg{cursor:pointer;border-radius:4px;padding:1px 0;transition:background .12s}
.textbox .seg:hover{background:rgba(217,58,43,.09)}
.textbox .seg.pick{background:#FFE0B3;box-shadow:0 0 0 1px #F7B32B inset}
.textbox .seg.found{background:#FFD9D4;box-shadow:0 0 0 1px var(--red) inset;cursor:default}
.textbox .seg.miss{background:#DFF3E6;box-shadow:0 0 0 1px var(--ok) inset;cursor:default}

/* ---------- 后台 ---------- */
.admin-head{background:#231815;color:#fff;padding:14px 16px;display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;gap:10px}
.admin-head h2{font-size:16px;margin:0}
.admin-head .sp{display:flex;gap:8px;align-items:center;flex-wrap:wrap}
.tabs{display:flex;gap:6px;flex-wrap:wrap;margin-bottom:14px}
.tabs button{background:#fff;border:1px solid var(--line);border-radius:99px;padding:7px 14px;font-size:13.5px;cursor:pointer;color:var(--ink-2)}
.tabs button.on{background:#231815;border-color:#231815;color:#fff}
.toolbar{display:flex;gap:8px;flex-wrap:wrap;align-items:center;margin-bottom:12px}
.toolbar input,.toolbar select{padding:8px 10px;border:1px solid #E3D3CB;border-radius:9px;font-size:13.5px}
.hidden{display:none !important}
.mono{font-family:ui-monospace,Menlo,Consolas,monospace}
pre.note{white-space:pre-wrap;word-break:break-all;background:#FCF7F4;border:1px solid var(--line);border-radius:8px;padding:10px;font-size:12.5px;margin:6px 0 0;max-height:200px;overflow:auto}

/* ---------- 大屏 ---------- */
.screen{background:#141013;color:#fff;min-height:100vh;padding:24px}
.screen h1{font-size:30px;letter-spacing:2px}
.screen .grid{display:grid;grid-template-columns:1fr 1fr;gap:18px}
@media(max-width:900px){.screen .grid{grid-template-columns:1fr}}
.screen .box{background:rgba(255,255,255,.05);border:1px solid rgba(255,255,255,.1);border-radius:16px;padding:18px}
.screen .box h3{color:#FFC98A;font-size:16px;letter-spacing:1px;margin-bottom:12px}
.screen .big{font-size:52px;font-weight:800;color:#FF6A4D;line-height:1;font-variant-numeric:tabular-nums}
.screen .row{display:flex;justify-content:space-between;padding:7px 0;border-bottom:1px solid rgba(255,255,255,.08);font-size:15px}
.screen .row:last-child{border-bottom:none}
.screen .rank b{color:#FFD479}
.screen .kpi{display:grid;grid-template-columns:repeat(4,1fr);gap:12px;margin-bottom:18px}
@media(max-width:700px){.screen .kpi{grid-template-columns:repeat(2,1fr)}}
.screen .kpi div{background:rgba(255,255,255,.06);border-radius:14px;padding:14px;text-align:center}
.screen .kpi .n{font-size:34px;font-weight:800;color:#fff;line-height:1.1;font-variant-numeric:tabular-nums}
.screen .kpi .l{font-size:12.5px;color:#C8B8B2;margin-top:3px}

/* ---------- 海报 ---------- */
.poster{max-width:480px;margin:0 auto;background:#fff;overflow:hidden;border-radius:18px;box-shadow:0 8px 30px rgba(0,0,0,.15)}
.poster .p-head{background:linear-gradient(155deg,#D93A2B,#8E2013);color:#fff;padding:26px 22px 30px;position:relative}
.poster .p-head .kf{font-size:12px;letter-spacing:4px;opacity:.8}
.poster .p-head .tt{font-size:32px;font-weight:800;line-height:1.2;margin:8px 0 6px;letter-spacing:1px}
.poster .p-head .th{font-size:16px;background:rgba(255,255,255,.16);display:inline-block;padding:4px 12px;border-radius:6px}
.poster .p-body{padding:20px 22px}
.poster .li{display:flex;gap:10px;padding:9px 0;border-bottom:1px dashed #F0E0D8}
.poster .li:last-child{border-bottom:none}
.poster .li .ic{flex:0 0 auto;width:26px;height:26px;border-radius:8px;background:var(--red-l);color:var(--red-d);display:flex;align-items:center;justify-content:center;font-weight:800;font-size:13px}
.poster .p-foot{background:#FFF8F3;padding:18px 22px 22px;text-align:center;border-top:1px solid var(--line)}
.poster .p-foot img{width:150px;height:150px;margin:0 auto 8px;background:#fff;padding:8px;border-radius:12px;border:1px solid var(--line)}

/* ---------- 报名落地页 ---------- */
.hero.biz-hero{background:linear-gradient(160deg,#158B83 0%,#0D6761 55%,#084A46 100%)}
.hero.biz-hero .tag{background:rgba(255,255,255,.16);border-color:rgba(255,255,255,.32)}
.hero.landing{padding:34px 18px 38px}
.hero.landing::before{content:"";position:absolute;left:-70px;bottom:-110px;width:230px;height:230px;border-radius:50%;background:rgba(255,255,255,.06)}
.hero.landing .tag{background:rgba(255,255,255,.16);border-color:rgba(255,255,255,.32)}
.hero.landing h1{font-size:31px;line-height:1.32;max-width:640px;letter-spacing:.5px}
.hero.landing .sub{max-width:600px;margin-top:10px;font-size:14.5px;line-height:1.75}
.hero.landing .meta{margin-top:16px}
.hero.landing .meta span{background:rgba(0,0,0,.2)}
.hero-lead{font-size:15px;line-height:1.8;margin:12px 0 0;max-width:620px;color:rgba(255,255,255,.9)}
.hero-actions{display:flex;gap:10px;flex-wrap:wrap;margin-top:20px}
.hero-actions .btn{background:#fff;color:var(--red-d)}
.hero-actions .btn.ghost{background:rgba(255,255,255,.08);color:#fff;border-color:rgba(255,255,255,.55)}
.status-line{display:flex;align-items:center;gap:8px;flex-wrap:wrap;font-size:13px;color:var(--ink-2);background:var(--gold-l);border:1px solid #F2D9A0;border-radius:10px;padding:10px 13px;margin-bottom:14px}
.status-line .dot{width:8px;height:8px;border-radius:50%;background:var(--warn);box-shadow:0 0 0 4px rgba(224,138,30,.14);flex:0 0 auto}
.audience-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.audience-card{border:1px solid var(--line);border-radius:16px;padding:18px;background:#fff;box-shadow:var(--sh);display:flex;flex-direction:column}
.audience-card.student{border-top:4px solid var(--red)}
.audience-card.biz{border-top:4px solid var(--teal)}
.audience-card .eyebrow{font-size:12px;font-weight:700;letter-spacing:1px;color:var(--ink-3)}
.audience-card h3{font-size:19px;margin:4px 0 6px}
.audience-card p{font-size:13.5px;color:var(--ink-2);margin:0}
.audience-card ul{list-style:none;padding:0;margin:12px 0 16px}
.audience-card li{position:relative;padding-left:21px;margin-bottom:7px;font-size:13.8px;line-height:1.65}
.audience-card li::before{content:"✓";position:absolute;left:0;top:0;font-weight:800;color:var(--ok)}
.audience-card.biz li::before{color:var(--teal)}
.audience-card .btn{margin-top:auto;width:100%}
.audience-card .muted{margin-top:9px;text-align:center}
.section-head{margin:8px 0 12px}
.section-head .kicker{font-size:12px;color:var(--red);font-weight:700;letter-spacing:1.5px}
.section-head h2{margin:2px 0 4px;font-size:21px}
.section-head p{margin:0;color:var(--ink-3);font-size:13.5px}
.feature-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(210px,1fr));gap:12px}
.feature{background:#fff;border:1px solid var(--line);border-radius:14px;padding:15px;box-shadow:var(--sh)}
.feature .num{display:inline-flex;align-items:center;justify-content:center;width:28px;height:28px;border-radius:9px;background:var(--red-l);color:var(--red-d);font-weight:800;font-size:13px;margin-bottom:8px}
.feature h4{margin:0 0 4px;font-size:15px}
.feature p{margin:0;font-size:13px;color:var(--ink-2);line-height:1.65}
.steps3{display:grid;grid-template-columns:repeat(3,1fr);gap:10px}
.step-box{background:linear-gradient(160deg,#fff,#FFF7F2);border:1px solid var(--line);border-radius:13px;padding:14px}
.step-box .n{font-size:12px;font-weight:800;color:var(--red)}
.step-box b{display:block;margin:4px 0 3px;font-size:14.5px}
.step-box span{font-size:12.8px;color:var(--ink-2);line-height:1.6}
.faq details{border-bottom:1px solid var(--line);padding:11px 0}
.faq details:last-child{border-bottom:none;padding-bottom:0}
.faq summary{font-weight:600;cursor:pointer;list-style:none;display:flex;justify-content:space-between;gap:12px;align-items:flex-start}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";color:var(--ink-3);font-size:18px;line-height:1;flex:0 0 auto;margin-top:2px}
.faq details[open] summary::after{content:"−"}
.faq p{margin:8px 0 0;color:var(--ink-2);font-size:13.5px;line-height:1.7}
.count-strip{display:grid;grid-template-columns:repeat(4,1fr);gap:10px;margin-top:14px}
.count-strip .stat .n{font-size:20px}
.form-intro{background:#FCFFFE;border:1px solid #D8EFEB;border-radius:12px;padding:12px 14px;margin-bottom:16px;font-size:13.5px;color:#1F625B;line-height:1.7}
.form-section{border-top:1px solid var(--line);margin-top:18px;padding-top:16px}
.form-section:first-of-type{border-top:none;margin-top:0;padding-top:0}
.form-section h3{font-size:16px;margin-bottom:12px}
.form-section h3 .idx{display:inline-flex;width:22px;height:22px;border-radius:7px;background:var(--red-l);color:var(--red-d);font-size:12px;align-items:center;justify-content:center;margin-right:6px;vertical-align:2px}
.optional{font-weight:400;color:var(--ink-3);font-size:12.5px}
.success-hero{background:linear-gradient(160deg,#EAF7EF,#DDF2E5);border:1px solid #C6E9D3;border-radius:16px;padding:22px;text-align:center}
.success-hero .big{font-size:22px;font-weight:800;color:#1F7A45;margin-bottom:4px}
.success-hero p{margin:0;color:#3C6B50;font-size:13.5px}
.next-list{counter-reset:next;list-style:none;padding:0;margin:12px 0 0}
.next-list li{counter-increment:next;position:relative;padding:9px 0 9px 34px;border-bottom:1px dashed var(--line);font-size:13.5px;line-height:1.65}
.next-list li:last-child{border-bottom:none}
.next-list li::before{content:counter(next);position:absolute;left:0;top:9px;width:23px;height:23px;border-radius:50%;background:var(--red);color:#fff;font-size:12px;font-weight:700;display:flex;align-items:center;justify-content:center}
.footer-note{font-size:12px;color:var(--ink-3);line-height:1.75}
@media(max-width:700px){
  .audience-grid{grid-template-columns:1fr}
  .steps3{grid-template-columns:1fr}
  .count-strip{grid-template-columns:repeat(2,1fr)}
  .hero.landing h1{font-size:26px}
}

/* ---------- 页脚 ---------- */
.foot{text-align:center;color:var(--ink-3);font-size:12.5px;padding:22px 16px 10px;line-height:1.8}
.loading{text-align:center;color:var(--ink-3);padding:30px;font-size:14px}