:root{
  --paper:#f4f0e6; --card:#fffdf8; --ink:#232823; --muted:#6b7168;
  --green:#2f6b4f; --green-d:#255740; --line:#e3dcc9; --accent:#b4713d;
  --radius:14px;
}
*{box-sizing:border-box}
body{margin:0;font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei",sans-serif;
 background:var(--paper);color:var(--ink);line-height:1.6}
.hidden{display:none!important}
img{display:block}

.topbar{display:flex;justify-content:space-between;align-items:center;
 padding:14px 22px;background:var(--card);border-bottom:1px solid var(--line)}
.brand{display:flex;align-items:center;gap:8px;font-weight:700;font-size:18px}
.logo{font-size:22px}
.user-area{font-size:14px;color:var(--muted);display:flex;align-items:center;gap:12px}
.user-area button{background:none;border:1px solid var(--line);border-radius:8px;padding:5px 12px;cursor:pointer;color:var(--muted)}

.wrap{max-width:760px;margin:26px auto;padding:0 18px}
.card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:26px}

.auth-card h1{font-size:22px;margin:0 0 6px}
.sub{color:var(--muted);font-size:14px;margin:0 0 20px}
.field-label{display:block;font-size:13px;color:var(--muted);margin:14px 0 6px}
input[type=email],input[type=text],input:not([type]){width:100%;padding:11px 13px;border:1px solid var(--line);
 border-radius:9px;font-size:15px;background:#fff}
input:focus{outline:none;border-color:var(--green)}

.btn{border:none;border-radius:9px;padding:11px 18px;font-size:15px;cursor:pointer}
.btn-primary{background:var(--green);color:#fff;width:100%;margin-top:18px}
.btn-primary:hover{background:var(--green-d)}
.btn-primary:disabled{background:#b9c2bb;cursor:not-allowed}
.btn-ghost{background:#fff;border:1px solid var(--green);color:var(--green)}
.code-inline{display:flex;gap:10px}
.code-inline input{flex:1}
.code-inline .btn{width:auto;margin:0}
.msg{margin-top:12px;font-size:14px;color:var(--accent);min-height:20px}

/* 滑块 */
.captcha-box{margin-top:16px;border:1px solid var(--line);border-radius:10px;padding:12px;background:#fbf8f1}
.captcha-head{font-size:13px;color:var(--muted);margin-bottom:10px}
.captcha-stage{position:relative;width:100%;max-width:320px;border-radius:6px;overflow:hidden}
#cap-bg{width:100%;border-radius:6px}
.cap-piece{position:absolute;top:0;left:0;width:86px;height:86px;cursor:grab}
.slide-track{position:relative;margin-top:12px;height:42px;background:#ece6d6;border-radius:21px;overflow:hidden}
.slide-fill{position:absolute;left:0;top:0;height:100%;width:0;background:rgba(47,107,79,.25)}
.slide-btn{position:absolute;left:0;top:0;width:42px;height:42px;border-radius:50%;background:var(--green);
 color:#fff;display:flex;align-items:center;justify-content:center;font-size:18px;cursor:grab;user-select:none;box-shadow:0 1px 4px rgba(0,0,0,.2)}
.slide-tip{position:absolute;inset:0;display:flex;align-items:center;justify-content:center;
 font-size:13px;color:var(--muted);pointer-events:none}

/* 配额 */
.quota-bar{background:var(--green);color:#fff;border-radius:var(--radius);padding:14px 20px;
 font-size:14px;margin-bottom:18px;display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:6px}
.quota-bar b{font-size:16px}
.edu-tag{background:var(--accent);padding:2px 9px;border-radius:20px;font-size:12px}

/* 上传 */
.upload-card{text-align:center;border:2px dashed var(--line);cursor:pointer;transition:.15s}
.upload-card.drag{border-color:var(--green);background:#f3f7f4}
.dz-icon{font-size:38px}
.dz-title{font-size:17px;font-weight:600;margin:8px 0 4px}
.dz-sub{color:var(--muted);font-size:13px;margin:0 0 14px}
.file-meta{margin-top:16px;display:flex;align-items:center;justify-content:space-between;gap:12px;flex-wrap:wrap}
.file-meta .btn{width:auto;margin:0}
#file-name{font-size:14px;word-break:break-all;text-align:left;flex:1;min-width:160px}

.list-title{font-size:17px;margin:28px 0 12px}
.job-item{background:var(--card);border:1px solid var(--line);border-radius:12px;padding:16px 18px;margin-bottom:12px}
.job-head{display:flex;justify-content:space-between;align-items:center;gap:10px;flex-wrap:wrap}
.job-name{font-weight:600;font-size:15px;word-break:break-all}
.badge{font-size:12px;padding:3px 10px;border-radius:20px;white-space:nowrap}
.b-waiting,.b-queued,.b-running{background:#fdf0e0;color:var(--accent)}
.b-done{background:#e4f0ea;color:var(--green)}
.b-error{background:#fbe6e3;color:#b0432f}
.job-log{margin-top:12px;background:#f6f2e7;border-radius:8px;padding:10px 12px;font-size:12px;
 color:#555;max-height:220px;overflow:auto;white-space:pre-wrap;font-family:ui-monospace,Menlo,monospace}
.job-actions{margin-top:12px;display:flex;gap:10px}
.job-actions a,.job-actions button{flex:0 auto}
.btn-sm{padding:7px 16px;font-size:13px;border-radius:8px}
.btn-outline{background:#fff;border:1px solid var(--green);color:var(--green);cursor:pointer;text-decoration:none;display:inline-block}

/* 模态 */
.modal{position:fixed;inset:0;background:rgba(30,34,30,.5);display:flex;align-items:center;justify-content:center;z-index:50;padding:18px}
.modal-box{background:var(--card);border-radius:var(--radius);padding:28px;position:relative;max-width:380px;width:100%;text-align:center}
.doc-box{max-width:620px;text-align:left;max-height:86vh;overflow:auto}
.modal-close{position:absolute;right:14px;top:10px;border:none;background:none;font-size:26px;cursor:pointer;color:var(--muted)}
.qrcode{display:flex;justify-content:center;margin:16px 0}
.qrcode img,.qrcode canvas{border:1px solid var(--line);border-radius:8px}
.pay-tip{color:var(--muted);font-size:13px}
.doc-box h3{color:var(--green)}
.doc-box p,.doc-box li{font-size:14px;color:#444}

.footer{margin-top:40px;padding:22px;text-align:center;font-size:12px;color:var(--muted);
 border-top:1px solid var(--line);display:flex;flex-direction:column;gap:8px}
.footer-links a{color:var(--muted);margin:0 8px;text-decoration:none}
.footer-links a:hover{color:var(--green)}

/* ===== 首页 Hero / 功能介绍 ===== */
.hero{text-align:center;margin:8px 0 26px}
.hero h1{font-size:27px;line-height:1.35;margin:0 0 12px;color:var(--ink)}
.hero .lead{color:var(--muted);font-size:15px;max-width:560px;margin:0 auto 22px}
.features{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;margin-bottom:22px}
.feature{background:var(--card);border:1px solid var(--line);border-radius:12px;padding:18px 16px;text-align:center}
.feature-ic{font-size:26px}
.feature h3{font-size:15px;margin:10px 0 6px;color:var(--green)}
.feature p{font-size:13px;color:var(--muted);margin:0;line-height:1.55}
.steps{display:flex;align-items:center;justify-content:center;gap:10px;flex-wrap:wrap;margin-bottom:14px}
.step{display:flex;align-items:center;gap:8px;background:#fbf8f1;border:1px solid var(--line);border-radius:20px;padding:8px 14px;font-size:13px;color:#444}
.step-n{display:inline-flex;align-items:center;justify-content:center;width:22px;height:22px;border-radius:50%;background:var(--green);color:#fff;font-size:12px;flex:0 0 22px}
.step-arrow{color:var(--muted)}
.trust{font-size:12.5px;color:var(--muted);margin:6px 0 0}

/* ===== 登录弹窗 ===== */
.auth-modal-box{max-width:420px;text-align:left}
.auth-modal-title{text-align:center;margin:0 0 4px;font-size:20px}
.auth-modal-box .sub{text-align:center;margin-bottom:14px}
.auth-modal-box .btn-primary{margin-top:16px}

@media(max-width:560px){
  .wrap{margin:16px auto}.card{padding:20px}
  .hero h1{font-size:22px}
  .features{grid-template-columns:1fr;gap:10px}
  .steps{flex-direction:column;align-items:stretch}
  .step-arrow{transform:rotate(90deg);text-align:center}
}