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16px;color:#595959;line-height:1.6;white-space:pre-wrap}.fb-actions[data-v-42bf2323]{display:flex;justify-content:flex-end;gap:8px}.fb-btn[data-v-42bf2323]{border:0;border-radius:4px;padding:8px 16px;cursor:pointer;font-weight:600}.fb-btn.primary[data-v-42bf2323]{background:var(--blue);color:#fff}.fb-btn.ghost[data-v-42bf2323]{background:transparent;border:1px solid #d9d9d9;color:#1a1a1a}@keyframes fb-in-42bf2323{0%{opacity:0;transform:translate(-50%,-8px)}to{opacity:1;transform:translate(-50%)}}:root{--blue: #0078fc;--blue-hover: #0066e8;--blue-deep: #0052d4;--blue-rgb: 0, 120, 252;--blue-soft: rgba(var(--blue-rgb), .12);--hw-red: var(--blue);--hw-red-hover: var(--blue-hover);--hw-red-deep: var(--blue-deep);--accent: var(--blue);--accent-2: var(--blue-hover);--accent-soft: var(--blue-soft);--bg: #f5f6f8;--bg-white: #ffffff;--ink: #1a1a1a;--text: #1a1a1a;--muted: #8c8c8c;--text-secondary: #595959;--line: #e8e8e8;--ok: #00a854;--warn: #ff7d00;--danger: var(--blue);--panel: #ffffff;--panel-solid: #ffffff;--shadow: 0 2px 16px rgba(0, 0, 0, .06);--shadow-hover: 0 8px 28px rgba(0, 0, 0, .1);--font-display: "Noto Sans SC", "PingFang SC", "Microsoft YaHei", sans-serif;--font-body: "Noto Sans SC", "PingFang SC", "Microsoft YaHei", sans-serif;--nav-h: 72px;--max: 1200px;--radius: 4px}*{box-sizing:border-box}html,body,#app{margin:0;min-height:100%}body{font-family:var(--font-body);color:var(--text);background:var(--bg);-webkit-font-smoothing:antialiased}a{color:var(--hw-red);text-decoration:none}a:hover{color:var(--hw-red-hover)}button,input,textarea,select{font:inherit}.shell{min-height:100vh;display:flex;flex-direction:column;background:var(--bg)}.nav-inner,.footer-inner,.page-banner-inner,.home-hero-inner,.home-section{width:min(var(--max),calc(100% - 40px));margin:0 auto}.nav{position:sticky;top:0;z-index:50;height:var(--nav-h);background:#fff;border-bottom:1px solid var(--line);box-shadow:0 1px 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p{margin:0;color:var(--text-secondary);font-size:13px;line-height:1.6}.empty-box{padding:48px 20px;text-align:center;color:var(--muted);background:#fff;border:1px dashed var(--line)}@keyframes rise{0%{opacity:0;transform:translateY(12px)}to{opacity:1;transform:none}}@media (max-width: 960px){.comp-grid,.feature-row,.home-stats-inner,.support-row{grid-template-columns:repeat(2,minmax(0,1fr))}.footer-inner{grid-template-columns:1fr 1fr}.auth-page{grid-template-columns:1fr}.auth-brand{min-height:220px;padding:32px 28px}.stat-item:nth-child(2){border-right:0}.stat-item:nth-child(1),.stat-item:nth-child(2){border-bottom:1px solid var(--line)}}@media (max-width: 720px){.nav-inner{gap:8px;width:calc(100% - 24px)}.nav-links{gap:0;overflow-x:auto}.nav-links a{padding:0 10px;font-size:14px;white-space:nowrap}.brand-copy{max-width:9em;overflow:hidden}.brand-copy strong{overflow:hidden;text-overflow:ellipsis}.brand-copy 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