:root{--bg:#081019;--panel:#101b27;--panel2:#142331;--line:rgba(156,190,211,.16);--text:#f3f7f8;--muted:#91a6b4;--accent:#74e1c3;--accent2:#56a8ff;--shadow:0 30px 80px rgba(0,0,0,.35)}
*{box-sizing:border-box}html{color-scheme:dark}body{margin:0;background:radial-gradient(circle at 72% 0,#102a3a 0,transparent 36%),var(--bg);color:var(--text);font-family:"Segoe UI","Microsoft YaHei",sans-serif;min-height:100vh;line-height:1.55}.ambient{position:fixed;border-radius:999px;filter:blur(80px);pointer-events:none;opacity:.12}.ambient-a{width:280px;height:280px;background:var(--accent);top:34%;left:-130px}.ambient-b{width:340px;height:340px;background:var(--accent2);right:-190px;bottom:5%}.topbar{height:76px;display:flex;align-items:center;justify-content:space-between;max-width:1180px;margin:auto;padding:0 28px;border-bottom:1px solid var(--line)}.brand{display:flex;align-items:center;gap:12px;color:inherit;text-decoration:none}.brand-mark{display:grid;place-items:center;width:38px;height:38px;border:1px solid var(--accent);border-radius:12px;color:var(--accent);font:bold 20px Georgia;transform:rotate(-4deg)}.brand strong,.brand small{display:block}.brand strong{font-size:15px;letter-spacing:.08em}.brand small{font-size:8px;letter-spacing:.25em;color:var(--muted)}.service-state{font-size:12px;color:var(--muted)}.service-state i{display:inline-block;width:7px;height:7px;margin-right:7px;border-radius:50%;background:var(--accent);box-shadow:0 0 12px var(--accent)}.page-shell{max-width:1080px;margin:auto;padding:72px 28px 40px}.hero{display:flex;align-items:center;justify-content:space-between;margin-bottom:48px}.eyebrow{margin:0 0 12px;color:var(--accent);font-size:11px;font-weight:700;letter-spacing:.28em}.hero h1{font-size:clamp(38px,6vw,68px);line-height:1.05;letter-spacing:-.05em;margin:0;max-width:760px}.hero h1 em{font-style:normal;color:transparent;-webkit-text-stroke:1px #a6bdc9}.hero-copy{color:var(--muted);max-width:520px;margin:24px 0 0}.hero-orbit{width:128px;height:128px;border:1px solid var(--line);border-radius:50%;display:grid;place-items:center;position:relative;color:var(--muted);font-family:Georgia}.hero-orbit:before,.hero-orbit:after{content:"";position:absolute;border-radius:50%;border:1px solid var(--line)}.hero-orbit:before{inset:12px}.hero-orbit:after{inset:28px}.hero-orbit b{position:absolute;width:7px;height:7px;background:var(--accent);border-radius:50%;top:14px;left:28px;box-shadow:0 0 12px var(--accent)}.hero-orbit i{position:absolute;height:1px;width:44px;background:var(--line);transform:rotate(-35deg)}.player-ribbon{display:grid;grid-template-columns:1.2fr 1fr .7fr;align-items:center;background:rgba(14,28,39,.82);border:1px solid var(--line);border-bottom:0;padding:18px 24px;border-radius:18px 18px 0 0;backdrop-filter:blur(16px)}.player-ribbon>div{padding:0 22px;border-right:1px solid var(--line)}.player-ribbon>div:first-child{padding-left:0}.player-ribbon span,.player-ribbon strong{display:block}.player-ribbon span{font-size:10px;color:var(--muted);letter-spacing:.12em}.player-ribbon strong{font-size:14px;margin-top:2px}.workspace-card{background:linear-gradient(145deg,rgba(17,30,42,.98),rgba(11,21,31,.98));border:1px solid var(--line);border-radius:0 0 22px 22px;box-shadow:var(--shadow);overflow:hidden}.tabs{display:flex;border-bottom:1px solid var(--line);padding:0 30px}.tab{position:relative;background:none;border:0;color:var(--muted);padding:21px 6px;margin-right:34px;font:600 14px inherit;cursor:pointer}.tab.active{color:var(--text)}.tab.active:after{content:"";height:2px;background:var(--accent);position:absolute;left:0;right:0;bottom:-1px;box-shadow:0 0 14px var(--accent)}.tab-panel{display:none;padding:34px}.tab-panel.active{display:block}.notice{border:1px solid;padding:12px 16px;margin:24px 34px 0;border-radius:10px;font-size:13px}.notice.error{border-color:rgba(255,127,142,.35);background:rgba(255,127,142,.08);color:#ffc0c7}.hidden{display:none!important}fieldset{border:0;padding:0;margin:0 0 26px}legend,.field>span{font-size:13px;font-weight:600;margin-bottom:10px;width:100%}.field>span{display:flex}.field b{color:var(--accent);margin-left:4px}.field small{font-weight:400;color:var(--muted);margin-left:auto}.type-grid{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin-top:10px}.type-card{display:flex;align-items:center;gap:14px;padding:17px;border:1px solid var(--line);border-radius:13px;background:rgba(255,255,255,.018);cursor:pointer;position:relative;transition:.2s}.type-card:hover,.type-card.selected{border-color:rgba(116,225,195,.48);background:rgba(116,225,195,.045)}.type-card input{position:absolute;opacity:0}.type-card span strong,.type-card span small{display:block}.type-card small{color:var(--muted);font-size:11px}.type-icon{width:36px;height:36px;display:grid;place-items:center;border-radius:10px;background:rgba(116,225,195,.1);color:var(--accent);font:bold 18px Georgia}.type-card>i{width:12px;height:12px;border:1px solid var(--muted);border-radius:50%;margin-left:auto}.type-card.selected>i{border:4px solid var(--accent)}.field{display:block;margin:0 0 22px}.field input,.field textarea{width:100%;border:1px solid var(--line);background:#0b1620;border-radius:11px;color:var(--text);font:14px inherit;padding:14px 16px;outline:none;resize:vertical;transition:.2s}.field input:focus,.field textarea:focus{border-color:rgba(116,225,195,.65);box-shadow:0 0 0 3px rgba(116,225,195,.06)}.field input::placeholder,.field textarea::placeholder{color:#586c79}.upload-field{display:grid;grid-template-columns:1fr auto;gap:4px 16px;align-items:center;border:1px dashed rgba(145,166,180,.28);border-radius:13px;padding:16px 18px}.upload-field strong,.upload-field small{display:block}.upload-field strong{font-size:13px}.upload-field small{font-size:11px;color:var(--muted)}.upload-button input{display:none}.upload-button span,.secondary-button{display:inline-block;border:1px solid var(--line);padding:8px 13px;border-radius:8px;color:#c8d5dc;font:12px inherit;cursor:pointer;background:rgba(255,255,255,.03)}.file-chip{grid-column:1/-1;display:flex;background:rgba(86,168,255,.08);padding:8px 10px;border-radius:8px;color:#bfe0ff;font-size:12px;margin-top:8px}.file-chip button{margin-left:auto;background:none;border:0;color:inherit;cursor:pointer}.form-footer{display:flex;align-items:center;justify-content:space-between;margin-top:28px}.form-footer p{font-size:11px;color:var(--muted)}.primary-button{border:0;background:var(--accent);color:#052019;border-radius:10px;padding:13px 18px 13px 22px;font:700 13px 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h3{font-size:14px;margin:0}.feedback-item time{display:block;font-size:10px;color:var(--muted);margin-top:3px}.feedback-item p{font-size:13px;color:#b8c7cf;white-space:pre-wrap}.badge{font-size:10px;border-radius:99px;padding:4px 8px;margin-left:auto;white-space:nowrap}.badge.pending{background:rgba(255,194,90,.1);color:#ffc25a}.badge.processed{background:rgba(86,168,255,.1);color:#78bbff}.badge.replied{background:rgba(116,225,195,.1);color:var(--accent)}.reply-box{border-left:2px solid var(--accent);background:rgba(116,225,195,.04);padding:10px 12px;margin-top:12px;font-size:12px}.reply-box strong{color:var(--accent);display:block;margin-bottom:4px}.loading-mask{position:fixed;z-index:20;inset:0;background:rgba(4,10,15,.78);backdrop-filter:blur(8px);display:grid;place-content:center;text-align:center;gap:15px}.loader{width:46px;height:46px;border:2px solid rgba(255,255,255,.12);border-top-color:var(--accent);border-radius:50%;animation:spin .8s linear infinite;margin:auto}.loading-mask strong{font-size:13px}.toast{position:fixed;z-index:30;left:50%;bottom:30px;transform:translateX(-50%);background:#1b2d3a;border:1px solid var(--line);border-radius:10px;padding:11px 18px;box-shadow:var(--shadow);font-size:13px}.toast.error{color:#ffc0c7;border-color:rgba(255,127,142,.35)}footer{text-align:center;color:#526875;font-size:10px;padding:22px}@keyframes spin{to{transform:rotate(360deg)}}
@media(max-width:700px){.topbar{height:64px;padding:0 18px}.page-shell{padding:44px 16px 24px}.hero{margin-bottom:32px}.hero-orbit{display:none}.hero h1{font-size:40px}.player-ribbon{grid-template-columns:1fr 1fr;padding:15px}.player-ribbon>div{padding:4px 10px;border:0}.player-ribbon>div:nth-child(3){display:none}.tabs{padding:0 20px}.tab-panel{padding:22px 18px}.notice{margin:18px 18px 0}.type-grid{grid-template-columns:1fr}.upload-field{grid-template-columns:1fr}.upload-button{margin-top:8px}.form-footer{align-items:stretch;flex-direction:column;gap:12px}.primary-button{width:100%}.progress-heading{align-items:start;gap:14px}.secondary-button{white-space:nowrap}}