*{box-sizing:border-box}:root{--brand-700: #04469e;--brand-600: #0655be;--brand-500: #2f7fe8;--accent-600: #0c6ba8;--accent-500: #2a90d6;--accent-100: #e8f3ff;--bg-canvas: #f2f7ff;--bg-surface: #ffffff;--bg-soft: #edf4ff;--text-900: #132844;--text-700: #2b4263;--text-500: #6a7f9b;--line-200: #d5e4f6;--line-100: #e7effa;--footer-bg: #0f2b56;--shadow-soft: 0 10px 28px rgba(12, 39, 84, .1);--shadow-strong: 0 16px 40px rgba(12, 39, 84, .14);--focus-ring: rgba(6, 85, 190, .34);--bg-base: var(--bg-canvas);--bg-paper: var(--bg-surface);--bg-panel: var(--bg-surface);--line-soft: var(--line-100);--line-strong: var(--line-200);--text-main: var(--text-900);--text-muted: var(--text-500);--brand: var(--brand-600);--brand-strong: var(--brand-700);--brand-soft: var(--brand-500);--brand-ghost: rgba(6, 85, 190, .1);--el-color-primary: var(--brand-600);--el-color-primary-light-3: var(--brand-500);--el-color-primary-light-5: #5f9cf0;--el-color-primary-dark-2: var(--brand-700);--el-border-radius-base: 10px}html,body,#app{margin:0;min-height:100%}body{color:var(--text-main);background:var(--bg-base);font-family:PingFang SC,Hiragino Sans GB,Microsoft YaHei,sans-serif}.app-shell{min-height:100vh;background:transparent;display:flex;flex-direction:column}.app-header{height:auto!important;position:sticky;top:0;z-index:100;-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);background:#f8fcffdb;border-bottom:1px solid var(--line-soft);box-shadow:0 8px 22px #10293f17;padding:0}.header-container{width:min(1360px,calc(100vw - 48px));min-height:70px;margin:0 auto;display:grid;grid-template-columns:minmax(0,1fr) auto minmax(0,1fr);align-items:center;gap:24px}.app-brand{display:flex;align-items:stretch;gap:12px;cursor:pointer;justify-self:start}.brand-logo{width:54px;height:54px;flex:0 0 54px;border-radius:10px;object-fit:contain}.brand-text{display:flex;flex-direction:column;justify-content:space-between;min-height:54px;padding:1px 0}.brand-title{font-size:24px;font-weight:700;color:var(--brand-700);line-height:1.1}.brand-sub{color:var(--text-muted);font-size:13px;line-height:1.2}.app-nav{display:flex;align-items:center;gap:22px}.header-nav{width:fit-content;margin:0;justify-self:center;justify-content:center;gap:36px}.nav-link{position:relative;color:var(--text-700);font-size:15px;text-decoration:none;transition:color .2s ease}.nav-link:hover{color:var(--brand)}.nav-link.active{color:var(--brand);font-weight:600}.nav-link.active:after{content:"";position:absolute;left:0;right:0;bottom:-8px;height:2px;border-radius:2px;background:var(--brand-600)}.header-actions{display:flex;align-items:center;gap:10px;justify-self:end}.header-action-btn{border-radius:20px;height:34px;padding:0 16px}.site-switch-link{display:inline-flex;align-items:center;justify-content:center;min-width:72px;height:34px;padding:0 12px;border:1px solid var(--line-200);border-radius:10px;color:var(--brand-700);background:#ffffffa8;font-size:13px;font-weight:500;line-height:1;text-decoration:none;transition:border-color .2s ease,background-color .2s ease,color .2s ease}.language-dropdown-button{display:inline-flex;align-items:center;justify-content:center;gap:6px;min-width:96px;height:34px;padding:0 12px;border:1px solid var(--line-200);border-radius:10px;color:var(--text-700);background:#ffffffa8;font:inherit;font-size:13px;font-weight:500;line-height:1;cursor:pointer;transition:border-color .2s ease,background-color .2s ease,color .2s ease}.language-dropdown-arrow{color:var(--text-muted);transition:color .2s ease}.language-dropdown-button.is-zh{min-width:76px}.site-switch-link:hover,.language-dropdown-button:hover{color:var(--brand-700);border-color:var(--brand-500);background:var(--accent-100)}.language-dropdown-button:hover .language-dropdown-arrow{color:var(--brand-700)}.login-btn.el-button{--el-button-bg-color: var(--brand);--el-button-border-color: var(--brand);--el-button-text-color: #ffffff;--el-button-hover-bg-color: var(--brand-700);--el-button-hover-border-color: var(--brand-700);--el-button-hover-text-color: #ffffff;--el-button-active-bg-color: var(--brand-700);--el-button-active-border-color: var(--brand-700);--el-button-active-text-color: #ffffff;--el-button-outline-color: var(--focus-ring);border-radius:10px;height:38px;min-width:90px;padding:0 14px;font-size:14px;font-weight:500;letter-spacing:.04em;box-shadow:0 6px 14px #1151a029}.login-btn.active.el-button{--el-button-bg-color: var(--brand-700);--el-button-border-color: var(--brand-700)}.register-btn.el-button{--el-button-bg-color: var(--bg-soft);--el-button-border-color: var(--line-200);--el-button-text-color: var(--brand-700);--el-button-hover-bg-color: var(--accent-100);--el-button-hover-border-color: var(--brand-500);--el-button-hover-text-color: var(--brand-700);--el-button-active-bg-color: var(--accent-100);--el-button-active-border-color: var(--brand-600);--el-button-active-text-color: var(--brand-700);--el-button-outline-color: var(--focus-ring);border-radius:10px;height:38px;min-width:90px;padding:0 14px;font-size:14px;font-weight:500}.register-btn.active.el-button{--el-button-bg-color: var(--accent-100);--el-button-border-color: var(--brand-600)}.avatar-trigger{display:inline-flex;align-items:center;justify-content:center;border:0;padding:0;background:transparent;cursor:pointer}.avatar-trigger:focus-visible{outline:2px solid var(--focus-ring);outline-offset:2px;border-radius:999px}.header-avatar{background:var(--brand-600);color:#fff;font-weight:700;box-shadow:0 0 0 2px #0655be2e}.app-content{flex:1;padding:0 0 36px}.page-main{width:min(1200px,calc(100vw - 32px));margin:26px auto 0}.page-intro{margin-bottom:16px}.page-title{font-size:28px;font-weight:700;color:var(--text-900);margin:0}.page-subtitle{margin:6px 0 0;color:var(--text-muted);font-size:14px;line-height:1.6}.panel-card{background:var(--bg-panel);border:1px solid var(--line-soft);box-shadow:var(--shadow-soft);border-radius:14px;transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease}.panel-card .el-card__header{border-bottom:1px solid var(--line-soft)}.panel-card:hover{border-color:var(--line-200);box-shadow:var(--shadow-strong);transform:translateY(-1px)}.alert-wrap{margin-top:12px}.mono{font-family:JetBrains Mono,Fira Code,Menlo,monospace}.app-footer{height:auto!important;padding:0;margin-top:24px;background-color:var(--footer-bg);color:#ffffffeb}.footer-inner{width:min(1220px,calc(100vw - 32px));margin:0 auto;padding:52px 0 22px}.footer-top{display:flex;justify-content:space-between;gap:42px}.footer-brand{flex:0 0 280px}.footer-logo{font-size:24px;font-weight:600;margin-bottom:12px}.footer-desc{margin:0;color:#ffffffb8;line-height:1.7;font-size:14px}.footer-advantage-list{list-style:none;margin:14px 0 0;padding:0;display:grid;gap:8px}.footer-advantage-item{width:fit-content;padding:4px 10px;border-radius:999px;font-size:12px;line-height:1.5;color:#ffffffeb;background:#ffffff1f;border:1px solid rgba(255,255,255,.2)}.footer-links{display:flex;flex:1;justify-content:space-between;gap:20px;flex-wrap:wrap}.footer-column{min-width:140px;display:flex;flex-direction:column;gap:10px}.footer-title{margin:0 0 8px;color:#fff;font-size:16px}.footer-link{color:#ffffffb8;text-decoration:none;transition:color .2s ease;font-size:14px}.footer-link:hover{color:var(--accent-100)}.footer-bottom{margin-top:30px;padding-top:18px;border-top:1px solid rgba(255,255,255,.12);text-align:center;display:flex;flex-direction:column;align-items:center;gap:8px;color:#ffffffa8;font-size:13px}.footer-icp{color:#ffffffb8;text-decoration:none}.footer-filing{display:flex;align-items:center;justify-content:center;gap:12px;flex-wrap:wrap}.footer-filing-separator{color:#ffffff7a}.footer-global-note{color:#ffffffa8}.footer-icp:hover{color:var(--accent-100)}:where(a,button,.el-button,.nav-link):focus-visible{outline:2px solid var(--focus-ring);outline-offset:2px}@media (max-width: 1280px){.header-container{width:min(1240px,calc(100vw - 32px))}}@media (max-width: 900px){.header-container{width:calc(100vw - 22px);min-height:64px;padding:8px 0;display:flex;flex-wrap:wrap;gap:12px}.app-brand{gap:8px}.brand-logo{width:44px;height:44px;flex-basis:44px}.brand-text{min-height:44px;padding:0}.brand-title{font-size:20px}.brand-sub{font-size:12px}.app-nav{gap:16px;order:2;width:100%;padding-bottom:2px;justify-content:center}.header-nav{width:100%;margin:0;justify-content:center;gap:16px}.header-actions{order:1;width:100%;justify-content:flex-end;flex-wrap:wrap}.header-action-btn{height:32px;padding:0 14px}.site-switch-link{height:34px;min-width:68px;padding:0 10px;font-size:13px}.language-dropdown-button{height:34px;min-width:92px;padding:0 10px;font-size:13px}.language-dropdown-button.is-zh{min-width:72px}.login-btn.el-button,.register-btn.el-button{height:34px;min-width:84px;padding:0 12px;font-size:13px}.page-main{width:calc(100vw - 20px);margin-top:16px}.page-title{font-size:24px}.footer-inner{width:calc(100vw - 24px);padding-top:36px}.footer-top{flex-direction:column;gap:24px}.footer-brand{flex-basis:auto}.footer-links{gap:16px}}@media (max-width: 640px){.header-container{width:calc(100vw - 16px)}.app-nav{width:100%;gap:12px}.nav-link{font-size:14px}.header-actions{justify-content:flex-start}.footer-column{min-width:calc(50% - 10px)}.footer-bottom{font-size:12px}}