:root{--brand: #f4813c;--brand-deep: #e8722c;--brand-soft: #f9a23b;--text-1: #3a2e28;--text-2: #8a7a70;--text-3: #b9aa9f;--line: #f2e4da;--card: #ffffff;--wechat-green: #07c160;--wechat-green-hover: #06ad56;--font-ui: -apple-system, BlinkMacSystemFont, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;--font-display: "Yuanti SC", "YouYuan", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif}*{box-sizing:border-box}body{margin:0;font-family:var(--font-ui);color:var(--text-1);background:#fffaf0;-webkit-font-smoothing:antialiased}.page{position:relative;min-height:100dvh;overflow-x:hidden;background-color:#fffaf0}.page:before{content:"";position:absolute;inset:0;z-index:0;background-image:url(/login-hero.jpg),radial-gradient(115% 92% at 50% 46%,#feca4f29,#feca4f14 40%,#feca4f00 74%);background-position:center center,center center;background-size:cover,cover;background-repeat:no-repeat}.brand{position:absolute;z-index:1;top:clamp(24px,4vh,48px);left:clamp(24px,6vw,88px);display:flex;align-items:center;gap:12px}.brand-mark{display:block;flex:0 0 auto;width:42px;height:42px;border-radius:12px;box-shadow:0 6px 16px #f4813c42}.brand-mark svg{display:block}.brand-text{display:flex;flex-direction:column;gap:3px}.brand-name{font-family:var(--font-display);font-size:25px;font-weight:700;letter-spacing:1px;line-height:1.1;color:var(--text-1)}.brand-desc{font-size:13px;letter-spacing:.5px;color:var(--text-2)}.hero{position:absolute;z-index:1;left:clamp(24px,6vw,88px);top:36%;transform:translateY(-50%);max-width:min(42vw,520px)}.hero-title{margin:0;font-family:var(--font-display);font-size:clamp(32px,3.5vw,50px);font-weight:700;line-height:1.42;letter-spacing:1px;color:#33261f}.hero-line{display:block}.hero-line.is-underlined{position:relative}.hero-line.is-underlined:after{content:"";position:absolute;left:2px;bottom:2px;width:88%;height:5px;border-radius:3px;background:linear-gradient(90deg,var(--brand-soft),var(--brand));opacity:.9}.hero-sub{margin:24px 0 0;font-size:17px;letter-spacing:2px;color:var(--text-2)}.login-card{position:absolute;z-index:1;top:50%;right:clamp(40px,9vw,150px);transform:translateY(-50%);width:380px;padding:24px 30px 18px;background:var(--card);border-radius:20px;box-shadow:0 24px 60px #b8683429,0 3px 10px #b868340f}.card-tabs{display:flex;border-bottom:1px solid var(--line)}.tab{position:relative;padding:2px 2px 13px;font-size:15px;font-weight:600;letter-spacing:.5px;color:var(--brand)}.tab.is-active:after{content:"";position:absolute;left:0;right:-12px;bottom:-1px;height:2px;border-radius:2px;background:var(--brand)}.qr-slot{display:flex;justify-content:center;align-items:flex-start;min-height:200px;margin-top:24px;overflow:hidden}.qr-slot.is-placeholder{align-items:center}.qr-slot img{display:block;width:200px;height:200px;border-radius:6px}.qr-ph{display:flex;align-items:center;justify-content:center;width:200px;height:200px;border:1px dashed #e6d6ca;border-radius:6px;background:#fdf9f6 center / contain no-repeat}.qr-ph span{font-size:13px;color:var(--text-3)}.scan-tip{margin:18px 0 0;font-size:14px;color:#4a3d36;text-align:center;line-height:1.6}.scan-tip.is-warn{color:#d4772a}.scan-note{margin:6px 0 0;font-size:12px;letter-spacing:.5px;color:var(--text-3);text-align:center}.btn-plain{display:block;margin:12px auto 0;padding:0;border:0;background:none;color:var(--brand);font-size:13px;font-family:inherit;cursor:pointer}.btn-plain:hover{color:var(--brand-deep)}.avatar{width:68px;height:68px;margin:26px auto 0;border-radius:50%;background:#f4ece6 center / cover no-repeat}.avatar.is-fallback{display:flex;align-items:center;justify-content:center;background:linear-gradient(135deg,var(--brand-soft),var(--brand));color:#fff;font-family:var(--font-display);font-size:27px;font-weight:600;line-height:1;-webkit-user-select:none;user-select:none}.nickname{margin:12px 0 20px;font-size:13px;color:var(--text-2);text-align:center}.btn-wechat{display:block;width:100%;height:42px;border:0;border-radius:8px;background:var(--wechat-green);color:#fff;font-family:inherit;font-size:14px;cursor:pointer;transition:background-color .15s}.btn-wechat:hover{background:var(--wechat-green-hover)}.btn-wechat:disabled{opacity:.7;cursor:default}.card-foot{margin-top:22px;padding-top:14px;border-top:1px solid var(--line);font-size:12px;color:var(--text-3);text-align:center}.card-foot a{color:var(--brand);text-decoration:none}.card-foot a:hover{color:var(--brand-deep);text-decoration:underline}@media (prefers-reduced-motion: no-preference){.hero,.login-card{animation:fade-up-centered .45s ease-out both}.brand{animation:fade-up-plain .45s ease-out both}.hero{animation-delay:.06s}.login-card{animation-delay:.12s}@keyframes fade-up-centered{0%{opacity:0;transform:translateY(calc(-50% + 10px))}to{opacity:1;transform:translateY(-50%)}}@keyframes fade-up-plain{0%{opacity:0;transform:translateY(-8px)}to{opacity:1;transform:none}}}@media (max-width: 860px){.page{display:flex;flex-direction:column;align-items:center;padding:32px 20px 44px}.page:before{background-position:left top,center center}.brand,.hero,.login-card{position:static;transform:none;animation:none}.brand{align-self:flex-start;margin-bottom:26px}.hero{align-self:flex-start;max-width:none;margin-bottom:28px}.hero-title{font-size:30px}.hero-sub{margin-top:16px;font-size:15px}.login-card{width:100%;max-width:380px;padding:22px 24px 16px}}