:root{--c-primary:#1769c4;--c-primary-strong:#115399;--c-primary-soft:#e8f1fb;--c-primary-softer:#f4f9fe;--c-primary-ring:#1769c429;--c-ink:#15293f;--c-text:#2b3d4f;--c-muted:#5d6f81;--c-faint:#8696a5;--c-on-primary:#fff;--c-page:#eef3f9;--c-page-top:#e3eef9;--c-surface:#fff;--c-surface-2:#f6f9fc;--c-surface-inset:#f1f5fa;--c-border:#e1e8f1;--c-border-strong:#cbd6e3;--c-normal:#1f8f6f;--c-normal-soft:#e5f4ee;--c-warning:#bf7d12;--c-warning-soft:#faf0db;--c-danger:#cf4646;--c-danger-soft:#fae9e9;--c-info:#1769c4;--c-info-soft:#e8f1fb;--font-sans:"PingFang SC", "Microsoft YaHei", "Segoe UI", -apple-system, BlinkMacSystemFont, "Helvetica Neue", sans-serif;--font-vital:ui-monospace, "SF Mono", "JetBrains Mono", "DejaVu Sans Mono", "Cascadia Code", monospace;--r-sm:10px;--r-md:14px;--r-lg:18px;--r-xl:22px;--r-pill:999px;--sp-1:4px;--sp-2:8px;--sp-3:12px;--sp-4:16px;--sp-5:20px;--sp-6:24px;--shadow-sm:0 1px 2px #15293f0a, 0 1px 3px #15293f0f;--shadow-md:0 2px 4px #15293f0a, 0 14px 30px #1769c412;--shadow-lg:0 10px 44px #15293f1f;--ring-focus:0 0 0 3px var(--c-primary-ring)}*{box-sizing:border-box}html{-webkit-text-size-adjust:100%}body{color:var(--c-text);font-family:var(--font-sans);-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;-webkit-tap-highlight-color:transparent;margin:0}button,input,select,textarea{font:inherit}::selection{background:var(--c-primary-ring);color:var(--c-ink)}.num,.vital-readout{font-family:var(--font-vital);font-variant-numeric:tabular-nums;font-feature-settings:"tnum" 1;letter-spacing:-.01em}@keyframes ax-rise{0%{opacity:0;transform:translateY(8px)}to{opacity:1;transform:none}}.ax-rise{animation:.42s cubic-bezier(.22,1,.36,1) both ax-rise}@media (prefers-reduced-motion:reduce){.ax-rise{animation:none}}body{background:radial-gradient(120% 70% at 50% 0, var(--c-page-top) 0, var(--c-page) 52%);justify-content:center;min-height:100vh;display:flex}.mobile-shell{width:min(390px,100vw);min-height:820px;color:var(--c-text);background:var(--c-surface);border:1px solid var(--c-border);box-shadow:var(--shadow-lg);border-radius:30px;margin:22px auto;padding:16px 16px 96px;font-size:14px;line-height:1.5;position:relative;overflow:hidden}.hero{border-radius:var(--r-xl);color:var(--c-on-primary);background:linear-gradient(140deg, var(--c-primary) 0, var(--c-primary-strong) 100%);margin-top:6px;padding:18px;box-shadow:0 12px 26px #1769c442}.hero h1{letter-spacing:-.3px;margin:6px 0 4px;font-size:22px;font-weight:800}.hero p{color:#ffffffd1;margin:0;font-size:13px}.bottom-tabs{z-index:10;border:1px solid var(--c-border);-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);background:#fffffff5;border-radius:0 0 28px 28px;grid-template-columns:repeat(5,1fr);width:min(390px,100vw);height:66px;padding:8px 10px;display:grid;position:fixed;bottom:22px;left:50%;transform:translate(-50%);box-shadow:0 -10px 30px #15293f14}.tab{border-radius:var(--r-md);min-height:50px;color:var(--c-faint);cursor:pointer;background:0 0;border:0;padding:6px 3px;font-size:12px;font-weight:600}.tab:before{content:"";background:var(--c-border-strong);border-radius:7px;width:22px;height:22px;margin:0 auto 4px;transition:background .15s,box-shadow .15s;display:block}.tab.active{color:var(--c-primary)}.tab.active:before{background:var(--c-primary);box-shadow:0 0 0 4px var(--c-primary-ring)}.grid{grid-template-columns:1fr 1fr;gap:10px;display:grid}.panel,.action,.tab-page{border:1px solid var(--c-border);border-radius:var(--r-lg);background:var(--c-surface);margin-top:12px;padding:16px}.tab-page h2,.panel h2{color:var(--c-ink);margin:0 0 14px;font-size:17px;font-weight:700}.action{cursor:pointer;margin-top:0;transition:border-color .15s,box-shadow .15s}.action:hover{border-color:var(--c-border-strong);box-shadow:var(--shadow-sm)}.action span{color:var(--c-muted);font-size:13px}.action strong{color:var(--c-primary-strong);font-family:var(--font-vital);font-variant-numeric:tabular-nums;margin-top:8px;display:block}.row{border-bottom:1px solid var(--c-border);justify-content:space-between;gap:10px;padding:12px 0;display:flex}.row:last-child{border-bottom:0}.row span{color:var(--c-muted)}.row strong{color:var(--c-ink)}.enabled{font-weight:700;color:var(--c-normal)!important}.disabled{font-weight:700;color:var(--c-danger)!important}.notice{border-radius:var(--r-md);background:var(--c-warning-soft);color:var(--c-warning);border:1px solid #bf7d122e;padding:12px 14px;font-size:13px}.primary-action,.contact-grid button{border-radius:var(--r-md);color:var(--c-on-primary);background:var(--c-primary);cursor:pointer;border:0;padding:12px;font-weight:700;transition:background 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