.brand-mark[data-v-ec906f1c]{display:block;flex-shrink:0;-o-object-fit:contain;object-fit:contain}.brand-mark--tech[data-v-ec906f1c]{filter:drop-shadow(0 4px 14px rgba(0,229,255,.25))}.brand-mark--ink[data-v-ec906f1c]{filter:drop-shadow(0 2px 6px rgba(11,36,71,.18))}.brand-mark--mono[data-v-ec906f1c]{filter:grayscale(100%) brightness(.9)}.v4hd[data-v-de10398a]{align-items:center;background:transparent;border-bottom:1px solid transparent;color:#fff;display:flex;height:64px;left:0;position:fixed;right:0;top:0;transition:background .4s cubic-bezier(.16,1,.3,1),color .3s ease,box-shadow .4s ease,border-color .4s ease,height .4s cubic-bezier(.28,.11,.32,1);z-index:50}@media(min-width:769px){.v4hd[data-v-de10398a]{height:80px}}.v4hd--light[data-v-de10398a]{color:#1d1d1f}.v4hd-scrolled[data-v-de10398a]{backdrop-filter:saturate(180%) blur(20px);-webkit-backdrop-filter:saturate(180%) blur(20px);background:#ffffffeb;color:#1d1d1f}.v4hd-menu-open[data-v-de10398a]{background:#fff}.v4hd-brand[data-v-de10398a] .brand-mark{filter:none}.v4hd-bordered[data-v-de10398a]{border-bottom-color:#0000000f;box-shadow:0 4px 16px -6px #0f11161a,0 1px #0f111608}.v4hd--detail[data-v-de10398a],.v4hd--detail.v4hd-bordered[data-v-de10398a]{border-bottom-color:#00000029}.v4hd--detail.v4hd-bordered[data-v-de10398a]{box-shadow:none}.v4hd.v4hd--newsdark[data-v-de10398a]:not(.v4hd-menu-open){backdrop-filter:none;-webkit-backdrop-filter:none;background:#272727;border-bottom-color:#ffffff1f;box-shadow:none;color:#fff}.v4hd.v4hd--newsdark:not(.v4hd-menu-open) .v4hd-cta-pri[data-v-de10398a]{background:#ffffff29;border-color:#ffffff59;color:#fff}.v4hd.v4hd--newsdark:not(.v4hd-menu-open) .v4hd-cta-pri[data-v-de10398a]:hover{background:#ffffff47}.v4hd.v4hd--newsdark:not(.v4hd-menu-open) .v4hd-mega-trigger--on[data-v-de10398a],.v4hd.v4hd--newsdark:not(.v4hd-menu-open) .v4hd-nav-link.router-link-active[data-v-de10398a]{color:#fff}.v4hd.v4hd--newsdark:not(.v4hd-menu-open) .v4hd-mega-trigger--on[data-v-de10398a]:after,.v4hd.v4hd--newsdark:not(.v4hd-menu-open) .v4hd-nav-link.router-link-active[data-v-de10398a]:after{background:#fff}@media(min-width:769px){.v4hd-shrink.v4hd--newsdark[data-v-de10398a]:not(.v4hd-menu-open){-webkit-backdrop-filter:none;backdrop-filter:none;background:transparent;border-bottom-color:transparent;box-shadow:none}.v4hd-shrink.v4hd--newsdark:not(.v4hd-menu-open) .v4hd-inner[data-v-de10398a]{-webkit-backdrop-filter:brightness(.28) saturate(150%) blur(24px);backdrop-filter:brightness(.28) saturate(150%) blur(24px);background-color:#12121475;border-color:#ffffff24;border-radius:999px;box-shadow:0 10px 28px -10px #0000008c,0 1px 2px #0000004d,inset 0 1px #ffffff0f;padding:9px 30px;width:min(920px,100% - 64px)}}.v4hd-menu-open[data-v-de10398a]{backdrop-filter:saturate(180%) blur(20px);-webkit-backdrop-filter:saturate(180%) blur(20px);background:#fffffff5;color:#1d1d1f}.v4hd-inner[data-v-de10398a]{align-items:center;border:1px solid transparent;border-radius:0;display:grid;gap:24px;grid-template-columns:auto 1fr auto;margin:0 auto;padding:0;transition:width .26s cubic-bezier(.22,1,.36,1),padding .26s cubic-bezier(.22,1,.36,1),border-radius .26s cubic-bezier(.22,1,.36,1),background-color .26s ease,box-shadow .26s ease,border-color .26s ease;width:min(1200px,100% - 40px);will-change:width}@media(min-width:769px){.v4hd-shrink[data-v-de10398a]:not(.v4hd--newsdark):not(.v4hd--detail):not(.v4hd-menu-open){-webkit-backdrop-filter:none;backdrop-filter:none;background:transparent;border-bottom-color:transparent;box-shadow:none}.v4hd-shrink:not(.v4hd--newsdark):not(.v4hd--detail):not(.v4hd-menu-open) .v4hd-inner[data-v-de10398a]{-webkit-backdrop-filter:saturate(180%) blur(20px);backdrop-filter:saturate(180%) blur(20px);background-color:#fbfbfdd1;border-color:#fff9;border-radius:999px;box-shadow:0 8px 26px -10px #0f111633,0 1px 2px #0f11160f;padding:9px 30px;width:min(920px,100% - 64px)}}.v4hd-brand[data-v-de10398a]{align-items:center;color:inherit;display:inline-flex;gap:10px;text-decoration:none}.v4hd-brand[data-v-de10398a] .brand-mark{height:auto;width:clamp(36px,3vw,45px)}.v4hd-brand-name[data-v-de10398a]{color:inherit;font-family:Inter,sans-serif;font-size:18px;font-weight:700;letter-spacing:-.01em}.v4hd-brand-divider[data-v-de10398a]{background:currentColor;height:14px;opacity:.2;width:1px}.v4hd-brand-cn[data-v-de10398a]{color:inherit;font-family:Microsoft YaHei,PingFang SC,Noto Sans SC,sans-serif;font-size:clamp(15px,1.15vw,18px);font-weight:600;white-space:nowrap}@media(max-width:640px){.v4hd-brand[data-v-de10398a]{gap:8px}.v4hd-brand[data-v-de10398a] .brand-mark{width:36px}.v4hd-brand-cn[data-v-de10398a]{font-size:15px}}@media(max-width:360px){.v4hd-brand-cn[data-v-de10398a]{font-size:13.5px}}.v4hd-nav[data-v-de10398a]{align-items:center;display:flex;gap:clamp(16px,2vw,28px);justify-content:flex-end}.v4hd-nav-link[data-v-de10398a]{color:inherit;font-family:Inter,PingFang SC,Noto Sans SC,sans-serif;font-size:clamp(14px,1.05vw,16px);font-weight:400;opacity:.85;position:relative;text-decoration:none;transition:opacity .2s ease,font-weight .2s ease;white-space:nowrap}.v4hd-nav-link[data-v-de10398a]:hover{opacity:1}.v4hd-mega-trigger--on[data-v-de10398a],.v4hd-nav-link.router-link-active[data-v-de10398a]{color:inherit;font-weight:600;opacity:1}.v4hd-mega-trigger--on[data-v-de10398a]:after,.v4hd-nav-link.router-link-active[data-v-de10398a]:after{background:currentColor;border-radius:2px;bottom:-8px;content:"";height:2px;left:0;position:absolute;right:0}.v4hd--light .v4hd-mega-trigger--on[data-v-de10398a],.v4hd--light .v4hd-nav-link.router-link-active[data-v-de10398a],.v4hd-scrolled .v4hd-mega-trigger--on[data-v-de10398a],.v4hd-scrolled .v4hd-nav-link.router-link-active[data-v-de10398a]{color:#3d7cff}.v4hd--light .v4hd-mega-trigger--on[data-v-de10398a]:after,.v4hd--light .v4hd-nav-link.router-link-active[data-v-de10398a]:after,.v4hd-scrolled .v4hd-mega-trigger--on[data-v-de10398a]:after,.v4hd-scrolled .v4hd-nav-link.router-link-active[data-v-de10398a]:after{background:#3d7cff}@media(max-width:768px){.v4hd-nav[data-v-de10398a]{display:none}}.v4hd-mega-wrap[data-v-de10398a]{position:relative}.v4hd-mega-trigger[data-v-de10398a],.v4hd-mega-wrap[data-v-de10398a]{align-items:center;display:inline-flex}.v4hd-mega-trigger[data-v-de10398a]{background:transparent;border:0;color:inherit;cursor:pointer;font-family:Inter,PingFang SC,Noto Sans SC,sans-serif;font-size:clamp(14px,1.05vw,16px);font-weight:400;gap:4px;line-height:inherit;padding:0}.v4hd-mega-trigger--on[data-v-de10398a]{opacity:1}.v4hd-mega-caret[data-v-de10398a]{height:12px;opacity:.7;transition:transform .2s ease;width:12px}.v4hd-mega-caret.is-open[data-v-de10398a]{transform:rotate(180deg)}.v4hd-mega[data-v-de10398a]{backdrop-filter:saturate(180%) blur(22px);-webkit-backdrop-filter:saturate(180%) blur(22px);background:#fffffff5;border:1px solid rgba(0,0,0,.06);border-radius:14px;box-shadow:0 16px 44px #0f11161f;color:#1d1d1f;display:grid;gap:2px;grid-template-columns:repeat(4,minmax(112px,1fr));left:50%;padding:6px;position:absolute;top:calc(100% + 16px);transform:translate(-50%);width:-moz-max-content;width:max-content;z-index:60}.v4hd-mega[data-v-de10398a]:before{content:"";height:16px;left:0;position:absolute;right:0;top:-16px}.v4hd-mega-item[data-v-de10398a]{align-items:center;border-radius:10px;color:#1d1d1f;display:flex;flex-direction:column;gap:6px;padding:14px 14px 12px;position:relative;text-align:center;text-decoration:none;transition:background .18s ease}.v4hd-mega-item[data-v-de10398a]:hover{background:#f5f5f7}.v4hd-mega-item.router-link-active[data-v-de10398a]{background:#eef2ff}.v4hd-mega-item.router-link-active .v4hd-mega-label[data-v-de10398a]{color:#0071e3}.v4hd-mega-item.router-link-active[data-v-de10398a]:before{background:#0071e3;border-radius:2px;bottom:12px;content:"";left:6px;position:absolute;top:12px;width:3px}.v4hd-mega-ic[data-v-de10398a]{color:#4f46e5;height:22px;transition:transform .2s ease;width:22px}.v4hd-mega-item:hover .v4hd-mega-ic[data-v-de10398a]{transform:translateY(-1px)}.v4hd-mega-label[data-v-de10398a]{font-size:13.5px;font-weight:600;letter-spacing:-.005em;line-height:1.2}.v4hd-mega-desc[data-v-de10398a]{color:#86868b;font-size:11.5px;line-height:1.35}.v4hd-mega-item:first-child .v4hd-mega-ic[data-v-de10398a]{color:#4f46e5}.v4hd-mega-item:nth-child(2) .v4hd-mega-ic[data-v-de10398a]{color:#0ea5e9}.v4hd-mega-item:nth-child(3) .v4hd-mega-ic[data-v-de10398a]{color:#d97706}.v4hd-mega-item:nth-child(4) .v4hd-mega-ic[data-v-de10398a]{color:#059669}.v4hd-mega-enter-active[data-v-de10398a],.v4hd-mega-leave-active[data-v-de10398a]{transition:opacity .2s ease,transform .2s ease}.v4hd-mega-enter-from[data-v-de10398a],.v4hd-mega-leave-to[data-v-de10398a]{opacity:0;transform:translate(-50%,-6px)}@media(max-width:768px){.v4hd-mega-wrap[data-v-de10398a]{display:none}}.v4hd-cta[data-v-de10398a]{gap:12px;justify-self:end}.v4hd-cta[data-v-de10398a],.v4hd-cta-pri[data-v-de10398a]{align-items:center;display:inline-flex}.v4hd-cta-pri[data-v-de10398a]{background:#ffffff29;border:1px solid hsla(0,0%,100%,.3);border-radius:980px;color:inherit;font-size:13px;font-weight:500;height:32px;padding:0 14px;text-decoration:none;transition:background .25s ease,border-color .25s ease,color .25s ease}.v4hd--light .v4hd-cta-pri[data-v-de10398a],.v4hd-menu-open .v4hd-cta-pri[data-v-de10398a],.v4hd-scrolled .v4hd-cta-pri[data-v-de10398a]{background:#1d1d1f;border-color:#1d1d1f;color:#fff}.v4hd-cta-pri[data-v-de10398a]:hover{background:#ffffff47}.v4hd--light .v4hd-cta-pri[data-v-de10398a]:hover,.v4hd-menu-open .v4hd-cta-pri[data-v-de10398a]:hover,.v4hd-scrolled .v4hd-cta-pri[data-v-de10398a]:hover{background:#000}.v4hd-burger[data-v-de10398a]{align-items:center;background:transparent;border:0;cursor:pointer;display:none;flex-direction:column;gap:5px;height:32px;justify-content:center;padding:0;width:32px}.v4hd-burger-line[data-v-de10398a]{background:currentColor;border-radius:1px;display:block;height:1.5px;transition:transform .3s ease,opacity .3s ease;width:16px}.v4hd-burger-line-1[data-v-de10398a]{transform:translateY(3.25px) rotate(45deg)}.v4hd-burger-line-2[data-v-de10398a]{transform:translateY(-3.25px) rotate(-45deg)}@media(max-width:768px){.v4hd-burger[data-v-de10398a]{display:inline-flex}.v4hd-menu-open .v4hd-cta-pri[data-v-de10398a]{display:none}}.v4hd-mob[data-v-de10398a]{background:#fff;border-bottom:1px solid rgba(0,0,0,.08);box-shadow:0 22px 36px -14px #0f111647;color:#1d1d1f;display:flex;flex-direction:column;gap:4px;left:0;max-height:calc(100svh - 64px);max-height:calc(100dvh - 64px);overflow-y:auto;overscroll-behavior:contain;padding:14px 24px calc(24px + env(safe-area-inset-bottom,0px));position:absolute;right:0;top:64px;-webkit-overflow-scrolling:touch}.v4hd-mob-link[data-v-de10398a]{border-bottom:1px solid rgba(0,0,0,.06);color:inherit;font-size:18px;font-weight:500;padding:14px 0 14px 12px;position:relative;text-decoration:none}.v4hd-mob-link.router-link-active[data-v-de10398a]{color:#3d7cff;font-weight:600}.v4hd-mob-link.router-link-active[data-v-de10398a]:before{background:#3d7cff;border-radius:2px;content:"";height:22px;left:0;position:absolute;top:50%;transform:translateY(-50%);width:3px}.v4hd-mob-link--toggle[data-v-de10398a]{align-items:center;background:transparent;border:0;border-bottom:1px solid rgba(0,0,0,.06);color:inherit;cursor:pointer;display:flex;font:inherit;gap:8px;justify-content:space-between;text-align:left;width:100%}.v4hd-mob-link--toggle[data-v-de10398a] .iconify,.v4hd-mob-link--toggle[data-v-de10398a] svg{height:18px;opacity:.55;transition:transform .2s ease;width:18px}.v4hd-mob-link--open[data-v-de10398a] .iconify,.v4hd-mob-link--open[data-v-de10398a] svg{transform:rotate(180deg)}.v4hd-mob-sub[data-v-de10398a]{border-bottom:1px solid rgba(0,0,0,.06);display:flex;flex-direction:column;gap:2px;padding:4px 0 8px}.v4hd-mob-sublink[data-v-de10398a]{align-items:center;background:#4f46e50a;border-radius:10px;color:inherit;-moz-column-gap:12px;column-gap:12px;display:grid;grid-template-columns:28px 1fr auto;padding:12px;text-decoration:none}.v4hd-mob-sublink[data-v-de10398a]:hover{background:#4f46e51a}.v4hd-mob-sublink.router-link-active[data-v-de10398a]{background:#0071e31a}.v4hd-mob-sublink.router-link-active span[data-v-de10398a]{color:#0071e3;font-weight:600}.v4hd-mob-sublink[data-v-de10398a] .iconify,.v4hd-mob-sublink[data-v-de10398a] svg{color:#4f46e5;height:18px;width:18px}.v4hd-mob-sublink span[data-v-de10398a]{font-size:15px;font-weight:500}.v4hd-mob-sublink small[data-v-de10398a]{color:#86868b;font-size:12px;grid-column:2;margin-top:2px}.v4hd-mob-cta[data-v-de10398a]{align-items:center;background:#1d1d1f;border-radius:980px;color:#fff;display:inline-flex;font-size:15px;font-weight:500;height:44px;justify-content:center;margin-top:16px;text-decoration:none}.v4hd-mob-enter-active[data-v-de10398a],.v4hd-mob-leave-active[data-v-de10398a]{transition:opacity .25s ease,transform .25s ease}.v4hd-mob-enter-from[data-v-de10398a],.v4hd-mob-leave-to[data-v-de10398a]{opacity:0;transform:translateY(-8px)}@media(prefers-reduced-motion:reduce){.v4hd[data-v-de10398a],.v4hd-burger-line[data-v-de10398a],.v4hd-cta-pri[data-v-de10398a]{transition:none}}@media(max-width:768px){.v4hd-burger[data-v-de10398a]{height:40px;margin-right:-10px;width:40px}.v4hd-cta-pri[data-v-de10398a]{font-size:12.5px;height:36px;padding:0 14px}}.v4-foot[data-v-31e98895]{background:#272727;border-top:none;color:#ffffffb8;font-family:Inter,PingFang SC,Noto Sans SC,sans-serif;padding:clamp(48px,6vh,72px) 0 32px}.v4-foot-inner[data-v-31e98895]{margin:0 auto;width:min(1200px,100% - 40px)}.v4-foot-grid[data-v-31e98895]{border-bottom:1px solid #4f4f4f;display:grid;gap:clamp(40px,5vw,64px);grid-template-columns:1fr;padding-bottom:clamp(36px,4.5vh,56px)}@media(min-width:1024px){.v4-foot-grid[data-v-31e98895]{grid-template-columns:5fr 7fr}.v4-foot-contact li[data-v-31e98895]{white-space:nowrap}}.v4-foot-brand-row[data-v-31e98895]{align-items:center;display:flex;gap:12px}.v4-foot-brand-cn[data-v-31e98895]{color:#fff;font-family:Inter,PingFang SC,Noto Sans SC,sans-serif;font-size:18px;font-weight:600;letter-spacing:-.005em;line-height:1.3}.v4-foot-brand-en[data-v-31e98895]{color:#ffffff8c;font-size:11px;letter-spacing:.08em;line-height:1.4;margin-top:2px}.v4-foot-contact[data-v-31e98895]{display:flex;flex-direction:column;gap:10px;list-style:none;margin:18px 0 0;padding:0}.v4-foot-contact li[data-v-31e98895]{align-items:center;color:#ffffffb8;display:flex;font-size:14px;gap:12px;letter-spacing:.01em}.v4-foot-ci[data-v-31e98895]{align-items:center;display:inline-flex;flex-shrink:0;justify-content:center;width:32px}.v4-foot-contact li[data-v-31e98895] svg{color:#ffffff80;flex-shrink:0}.v4-foot-contact a[data-v-31e98895]{color:inherit;text-decoration:none}.v4-foot-contact a[data-v-31e98895]:hover{color:#fff}.v4-foot-cols[data-v-31e98895]{display:grid;gap:32px 24px;grid-template-columns:repeat(2,1fr)}@media(min-width:768px){.v4-foot-cols[data-v-31e98895]{display:flex;gap:24px;justify-content:space-between}}.v4-foot-col-title[data-v-31e98895]{color:#fff;font-family:Inter,PingFang SC,Noto Sans SC,sans-serif;font-size:16px;font-weight:600;letter-spacing:-.003em;margin-bottom:16px}.v4-foot-col ul[data-v-31e98895]{display:flex;flex-direction:column;gap:12px;list-style:none;margin:0;padding:0}.v4-foot-col a[data-v-31e98895]{color:#ffffffa6;font-size:14px;letter-spacing:.005em;text-decoration:none;transition:color .2s ease}.v4-foot-col a[data-v-31e98895]:hover{color:#fff;text-decoration:none}.v4-foot-bot[data-v-31e98895]{align-items:center;color:#ffffff80;display:flex;flex-direction:column;font-size:12px;gap:12px;justify-content:center;margin-top:24px;text-align:center}@media(min-width:768px){.v4-foot-bot[data-v-31e98895]{align-items:center;flex-direction:row;justify-content:center}}.v4-foot-copy[data-v-31e98895],.v4-foot-legal[data-v-31e98895]{letter-spacing:.01em}.v4-foot-legal[data-v-31e98895]{align-items:center;display:inline-flex;flex-wrap:wrap;gap:6px 8px}.v4-foot-legal a[data-v-31e98895]{color:inherit;text-decoration:none;text-underline-offset:3px;transition:color .2s ease}.v4-foot-legal a[data-v-31e98895]:hover{color:#fff;text-decoration:underline;text-decoration-color:#fff9}.v4-foot-legal-dot[data-v-31e98895]{color:#ffffff4d}.v4-foot-legal-police[data-v-31e98895]{align-items:center;display:inline-flex;gap:4px}.v4-foot-legal-police .v4-foot-gongan[data-v-31e98895]{display:inline-block;height:15px;vertical-align:middle;width:auto}.v4-foot-legal-police[data-v-31e98895] .iconify,.v4-foot-legal-police[data-v-31e98895] svg{color:#0071e3;height:12px;width:12px}.v4-btt[data-v-a7659b6e]{background:transparent;border:0;bottom:calc(100px + env(safe-area-inset-bottom,0px));cursor:pointer;height:52px;isolation:isolate;padding:0;position:fixed;right:28px;transform:translateZ(0);transition:transform .4s cubic-bezier(.16,1,.3,1);width:52px;z-index:70}.v4-btt[data-v-a7659b6e]:hover{transform:translateY(-2px) scale(1.04)}.v4-btt[data-v-a7659b6e]:active{transform:scale(.95)}.v4-btt-halo[data-v-a7659b6e]{background:radial-gradient(circle at 50% 30%,rgba(255,200,80,.18) 0,rgba(0,113,227,.08) 50%,transparent 75%);border-radius:9999px;filter:blur(8px);inset:-4px;opacity:.7;pointer-events:none;position:absolute;transition:opacity .4s ease,transform .4s ease;z-index:0}.v4-btt:hover .v4-btt-halo[data-v-a7659b6e]{opacity:1;transform:scale(1.08)}.v4-btt-ring[data-v-a7659b6e]{height:100%;inset:0;position:absolute;transform:rotate(-90deg);width:100%;z-index:1}.v4-btt-ring-fill[data-v-a7659b6e],.v4-btt-ring-track[data-v-a7659b6e]{fill:none;stroke-linecap:round;stroke-width:2}.v4-btt-ring-track[data-v-a7659b6e]{stroke:#00000014}.v4-btt-ring-fill[data-v-a7659b6e]{filter:drop-shadow(0 0 4px rgba(0,113,227,.32));stroke:url(#v4BttFill);transition:stroke-dashoffset .32s cubic-bezier(.16,1,.3,1),stroke .32s}.v4-btt:hover .v4-btt-ring-fill[data-v-a7659b6e]{filter:drop-shadow(0 0 8px rgba(0,113,227,.5))}.v4-btt-pip[data-v-a7659b6e]{background:#fff;border:1px solid rgba(0,113,227,.6);border-radius:9999px;box-shadow:0 0 4px #0071e373;height:4px;pointer-events:none;top:-1px;transform:translate(-50%);width:4px;z-index:3}.v4-btt-core[data-v-a7659b6e],.v4-btt-pip[data-v-a7659b6e]{left:50%;position:absolute}.v4-btt-core[data-v-a7659b6e]{backdrop-filter:blur(16px) saturate(180%);-webkit-backdrop-filter:blur(16px) saturate(180%);background:radial-gradient(circle at 35% 30%,#fff 0,#f6fbfe 60%,#eef6fb);border:1px solid rgba(0,0,0,.06);border-radius:9999px;box-shadow:0 6px 16px -6px #006ea538,inset 0 1px #fffffff2;display:grid;height:38px;place-items:center;top:50%;transform:translate(-50%,-50%);transition:background .32s,box-shadow .32s;width:38px;z-index:2}.v4-btt:hover .v4-btt-core[data-v-a7659b6e]{background:radial-gradient(circle at 35% 30%,#fff 0,#eaf3fa 60%,#d8ebf8);box-shadow:0 8px 22px -6px #006ea552,inset 0 1px #fff}.v4-btt-icon[data-v-a7659b6e]{color:#1d1d1f;filter:drop-shadow(0 1px 1px rgba(0,110,165,.18));height:16px;transition:transform .3s cubic-bezier(.34,1.56,.64,1),color .32s;width:16px}.v4-btt:hover .v4-btt-icon[data-v-a7659b6e]{color:#0071e3;transform:translateY(-2px)}.v4-btt:active .v4-btt-icon[data-v-a7659b6e]{transform:translateY(-3px) scale(1.05)}@media(max-width:480px){.v4-btt[data-v-a7659b6e]{bottom:calc(88px + env(safe-area-inset-bottom,0px));height:46px;right:19px;width:46px}.v4-btt-core[data-v-a7659b6e]{height:34px;width:34px}.v4-btt-icon[data-v-a7659b6e]{height:14px;width:14px}.v4-btt-pip[data-v-a7659b6e]{height:3px;width:3px}}.v4-btt-fade-enter-active[data-v-a7659b6e],.v4-btt-fade-leave-active[data-v-a7659b6e]{transition:opacity .4s cubic-bezier(.16,1,.3,1),transform .4s cubic-bezier(.16,1,.3,1)}.v4-btt-fade-enter-from[data-v-a7659b6e],.v4-btt-fade-leave-to[data-v-a7659b6e]{opacity:0;transform:translateY(8px) scale(.92)}@media(prefers-reduced-motion:reduce){.v4-btt[data-v-a7659b6e],.v4-btt-core[data-v-a7659b6e],.v4-btt-halo[data-v-a7659b6e],.v4-btt-icon[data-v-a7659b6e],.v4-btt-ring-fill[data-v-a7659b6e]{transition:none!important}}