:root{--blue:#4f75d9;--blue-dark:#315ec6;--ink:#16213a;--muted:#667085;--line:#dce3ee;--bg:#eef3fc;--soft:#f7f9fd}*{box-sizing:border-box}body{margin:0;background:linear-gradient(145deg,#f4f7fd 0%,#e8eef9 100%);color:var(--ink);font-family:Inter,"PingFang SC","Microsoft YaHei",sans-serif}.page-shell{width:min(100% - 32px,880px);margin:0 auto;padding:72px 0 32px}.main-card,.contact-card,.faq-section{background:#fff;border:1px solid rgba(221,228,240,.9);border-radius:18px;box-shadow:0 18px 50px rgba(43,62,105,.10)}.main-card{padding:36px 42px}.brand{display:flex;align-items:center;justify-content:center;gap:10px;margin-bottom:24px}.brand-mark{display:grid;place-items:center;width:46px;height:52px;color:#0996f5;font-size:42px;font-weight:700;line-height:1}.brand-name{color:#003744;font-size:42px;font-weight:800;letter-spacing:-2px}.tabs{display:flex;border-bottom:2px solid #e3e7ee;margin-bottom:30px}.tab{position:relative;padding:12px 30px;border:0;background:transparent;color:#4b5563;font-size:17px;font-weight:600;cursor:pointer}.tab.is-active{color:var(--blue-dark)}.tab.is-active:after{content:"";position:absolute;left:0;right:0;bottom:-2px;height:3px;background:var(--blue)}.tab-panel[hidden]{display:none}.type-switch{display:grid;grid-template-columns:repeat(auto-fit,minmax(180px,1fr));gap:10px;padding:14px;margin-bottom:26px;border:1px solid var(--line);border-radius:9px;background:var(--soft)}.type-option input{position:absolute;opacity:0}.type-option span{display:grid;place-items:center;height:52px;border:2px solid #6a89df;border-radius:7px;color:#4969c7;font-weight:700;cursor:pointer}.type-option.is-selected span,.type-option:has(input:checked) span{color:#fff;background:linear-gradient(135deg,#7192df,#496cc4);border-color:#496cc4}.field-label{display:block;margin:18px 0 8px;font-weight:700}.field-label em{color:#e5484d;font-style:normal}.upload-zone{display:flex;min-height:250px;align-items:center;justify-content:center;flex-direction:column;border:2px dashed #6789e7;border-radius:10px;background:#f8faff;color:#3f64c7;cursor:pointer;transition:.2s}.upload-zone:hover,.upload-zone.is-dragging{background:#f0f4ff;border-color:#315ec6;transform:translateY(-1px)}.upload-zone strong{margin-top:14px;font-size:17px}.upload-zone small{margin-top:8px;color:#667085}.folder-icon{color:#ffbd45;font-size:48px;line-height:1}.text-input{width:100%;height:54px;padding:0 16px;border:2px solid #dce2eb;border-radius:9px;background:#fcfdff;color:var(--ink);font:inherit;outline:0}.text-input:focus{border-color:#6789e7;box-shadow:0 0 0 4px rgba(79,117,217,.11)}.primary-button{width:100%;height:56px;margin-top:18px;border:0;border-radius:9px;background:linear-gradient(135deg,#6e90df,#496cc5);color:#fff;font-size:17px;font-weight:800;cursor:pointer;box-shadow:0 10px 20px rgba(60,96,190,.18)}.primary-button:hover{filter:brightness(.98);transform:translateY(-1px)}.primary-button:disabled{opacity:.6;cursor:wait}.form-message{min-height:22px;margin:8px 0 -8px;color:#d14343;font-size:14px}.notice-box{margin-top:24px;padding:14px 20px;border:1px solid var(--line);border-radius:9px;background:var(--soft);color:#5d6675;font-size:14px;line-height:2}.notice-box ul{margin:0;padding-left:18px}.history-form{padding:22px;border-radius:12px;background:var(--soft);border:1px solid var(--line)}.query-row{display:grid;grid-template-columns:1fr 160px;gap:12px}.query-row .compact{height:54px;margin:0}.quota-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin:22px 0}.quota-card{padding:18px;border:1px solid var(--line);border-radius:12px;background:#fff}.quota-card small{display:block;color:var(--muted)}.quota-card strong{display:block;margin-top:6px;font-size:26px;color:var(--blue-dark)}.history-list{display:grid;gap:12px}.history-item{display:grid;grid-template-columns:1fr auto;gap:18px;padding:18px;border:1px solid var(--line);border-radius:12px;background:#fff}.history-item h3{margin:0 0 7px;font-size:16px}.history-item p{margin:4px 0;color:var(--muted);font-size:13px}.status-pill{display:inline-flex;align-items:center;height:28px;padding:0 10px;border-radius:999px;background:#edf3ff;color:#3964c9;font-size:12px;font-weight:700}.history-link{align-self:center;padding:10px 16px;border-radius:8px;background:#edf3ff;color:#315ec6;text-decoration:none;font-weight:700}.empty-history{padding:40px;text-align:center;color:var(--muted)}.contact-card{display:flex;align-items:center;justify-content:space-between;margin-top:24px;padding:28px 34px}.contact-card h2,.faq-section h2{margin:5px 0 8px;font-size:24px}.contact-card p{margin:0;color:var(--muted)}.contact-card img{width:120px;height:120px;padding:6px;border:1px solid var(--line);border-radius:12px;object-fit:contain}.wechat-id{display:inline-block;margin-top:14px;padding:8px 14px;border-radius:8px;background:#edf3ff;color:var(--blue-dark)}.section-kicker{color:var(--blue);font-size:13px;font-weight:800;letter-spacing:.12em;text-transform:uppercase}.faq-section{margin-top:24px;padding:30px 34px}.section-heading{margin-bottom:20px}.faq-list{display:grid;gap:10px}.faq-item{overflow:hidden;border:1px solid #e7eaf0;border-radius:9px;background:#f8f9fb}.faq-item summary{display:flex;align-items:center;justify-content:space-between;padding:18px;cursor:pointer;font-weight:650;list-style:none}.faq-item summary::-webkit-details-marker{display:none}.faq-item summary span{color:var(--blue);font-size:22px}.faq-item[open] summary span{transform:rotate(45deg)}.faq-answer{padding:0 18px 18px;color:#606a78;line-height:1.8;white-space:pre-line}footer{display:flex;justify-content:space-between;padding:22px 6px;color:#8a94a6;font-size:13px}footer a{color:#64748b;text-decoration:none}@media(max-width:640px){.page-shell{width:min(100% - 20px,880px);padding-top:18px}.main-card{padding:24px 18px;border-radius:14px}.brand{margin-bottom:16px}.brand-mark{width:34px;height:40px;font-size:32px}.brand-name{font-size:32px}.tab{flex:1;padding:12px 8px}.type-switch{padding:9px}.upload-zone{min-height:205px;text-align:center;padding:16px}.query-row{grid-template-columns:1fr}.query-row .compact{margin-top:0}.quota-grid{gap:7px}.quota-card{padding:13px 10px}.quota-card strong{font-size:22px}.history-item{grid-template-columns:1fr}.history-link{text-align:center}.contact-card{align-items:flex-start;padding:24px 20px}.contact-card img{width:92px;height:92px}.faq-section{padding:25px 18px}.notice-box{padding:12px 14px}}