@font-face{font-family:Archivo Variable;font-style:normal;font-display:swap;font-weight:100 900;src:url(/_astro/archivo-vietnamese-wght-normal.XAtsl5Q_.woff2) format("woff2-variations");unicode-range:U+0102-0103,U+0110-0111,U+0128-0129,U+0168-0169,U+01A0-01A1,U+01AF-01B0,U+0300-0301,U+0303-0304,U+0308-0309,U+0323,U+0329,U+1EA0-1EF9,U+20AB}@font-face{font-family:Archivo Variable;font-style:normal;font-display:swap;font-weight:100 900;src:url(/_astro/archivo-latin-ext-wght-normal.C4zznr8T.woff2) format("woff2-variations");unicode-range:U+0100-02BA,U+02BD-02C5,U+02C7-02CC,U+02CE-02D7,U+02DD-02FF,U+0304,U+0308,U+0329,U+1D00-1DBF,U+1E00-1E9F,U+1EF2-1EFF,U+2020,U+20A0-20AB,U+20AD-20C0,U+2113,U+2C60-2C7F,U+A720-A7FF}@font-face{font-family:Archivo Variable;font-style:normal;font-display:swap;font-weight:100 900;src:url(/_astro/archivo-latin-wght-normal.E0tuGl4L.woff2) format("woff2-variations");unicode-range:U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+0304,U+0308,U+0329,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD}@font-face{font-family:Figtree Variable;font-style:normal;font-display:swap;font-weight:300 900;src:url(/_astro/figtree-latin-ext-wght-normal.DCwSJGxG.woff2) format("woff2-variations");unicode-range:U+0100-02BA,U+02BD-02C5,U+02C7-02CC,U+02CE-02D7,U+02DD-02FF,U+0304,U+0308,U+0329,U+1D00-1DBF,U+1E00-1E9F,U+1EF2-1EFF,U+2020,U+20A0-20AB,U+20AD-20C0,U+2113,U+2C60-2C7F,U+A720-A7FF}@font-face{font-family:Figtree Variable;font-style:normal;font-display:swap;font-weight:300 900;src:url(/_astro/figtree-latin-wght-normal.D_ZTVpCC.woff2) format("woff2-variations");unicode-range:U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+0304,U+0308,U+0329,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD}:root{--ink: #17123a;--ink-soft: #241d52;--body: #444060;--muted: #6f6b8a;--violet: #6d3bf5;--violet-deep: #5527d6;--violet-soft: #efeafe;--cyan: #0bbfd6;--cyan-raw: #09eefe;--grad-a: #8654ff;--grad-b: #09eefe;--paper: #ffffff;--mist: #f7f6fc;--line: #e6e3f2;--success: #178a52;--danger: #c92a45;--whatsapp: #25d366;--grad-ink: linear-gradient(92deg, var(--grad-a) 8%, var(--grad-b) 100%);--font-display: "Archivo Variable", system-ui, sans-serif;--font-body: "Figtree Variable", system-ui, sans-serif;--text-xs: .8125rem;--text-sm: .9375rem;--text-base: 1.0625rem;--text-lg: 1.1875rem;--text-xl: 1.375rem;--text-2xl: clamp(1.5rem, 1.2rem + 1.2vw, 1.9rem);--text-3xl: clamp(1.9rem, 1.4rem + 2vw, 2.6rem);--text-4xl: clamp(2.4rem, 1.7rem + 3.2vw, 3.6rem);--space-section: clamp(4rem, 2.5rem + 5vw, 7rem);--container: 72rem;--radius-sm: 8px;--radius: 14px;--radius-lg: 22px;--shadow-card: 0 1px 2px rgb(23 18 58 / .06), 0 10px 30px -12px rgb(23 18 58 / .14);--shadow-pop: 0 12px 44px -8px rgb(23 18 58 / .26)}*,*:before,*:after{box-sizing:border-box}html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}body{margin:0;font-family:var(--font-body);font-size:var(--text-base);line-height:1.65;color:var(--body);background:var(--paper);text-rendering:optimizeLegibility}img,svg,video{max-width:100%;height:auto}h1,h2,h3,h4{font-family:var(--font-display);font-weight:640;line-height:1.14;letter-spacing:-.02em;color:var(--ink);margin:0 0 .6em;text-wrap:balance}h1{font-size:var(--text-4xl)}h2{font-size:var(--text-3xl)}h3{font-size:var(--text-xl)}h4{font-size:var(--text-lg)}p{margin:0 0 1em}a{color:var(--violet);text-decoration:none}a:hover,p a{text-decoration:underline;text-underline-offset:3px}:focus-visible{outline:3px solid var(--violet);outline-offset:2px;border-radius:4px}::selection{background:var(--violet-soft);color:var(--ink)}@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*:before,*:after{animation-duration:.01ms!important;animation-iteration-count:1!important;transition-duration:.01ms!important}}.container{max-width:var(--container);margin-inline:auto;padding-inline:clamp(1.25rem,4vw,2.5rem)}.section{padding-block:var(--space-section)}.section--mist{background:var(--mist)}.section--ink{background:var(--ink)}.section--ink h1,.section--ink h2,.section--ink h3{color:#fff}.section--ink p{color:#c9c4e4}.eyebrow{display:inline-block;font-family:var(--font-display);font-size:var(--text-xs);font-weight:600;letter-spacing:.14em;text-transform:uppercase;color:var(--violet);margin-bottom:.9rem}.section--ink .eyebrow{color:var(--cyan-raw)}.stroke{position:relative;white-space:nowrap}.stroke>svg{position:absolute;left:-2%;bottom:-.22em;width:104%;height:.34em;overflow:visible;pointer-events:none}.stroke>svg path{fill:none;stroke:url(#ls-ink);stroke-width:7;stroke-linecap:round}@media(prefers-reduced-motion:no-preference){.stroke>svg path{stroke-dasharray:320;stroke-dashoffset:320;animation:ls-sign .9s .35s ease-out forwards}}@keyframes ls-sign{to{stroke-dashoffset:0}}.btn{display:inline-flex;align-items:center;justify-content:center;gap:.5rem;font-family:var(--font-display);font-size:var(--text-sm);font-weight:620;letter-spacing:.01em;padding:.8rem 1.5rem;border-radius:999px;border:1.5px solid transparent;cursor:pointer;text-decoration:none;transition:background-color .18s ease,border-color .18s ease,color .18s ease}.btn:hover{text-decoration:none}.btn--primary{background:var(--violet);color:#fff}.btn--primary:hover{background:var(--violet-deep)}.btn--ghost{border-color:var(--line);color:var(--ink);background:transparent}.btn--ghost:hover{border-color:var(--violet);color:var(--violet)}.section--ink .btn--ghost{border-color:#4a4374;color:#fff}.section--ink .btn--ghost:hover{border-color:var(--cyan-raw);color:var(--cyan-raw)}.btn--lg{font-size:var(--text-base);padding:1rem 2rem}.card{background:var(--paper);border:1px solid var(--line);border-radius:var(--radius);padding:1.75rem;box-shadow:var(--shadow-card)}.field{display:flex;flex-direction:column;gap:.35rem;font-size:var(--text-sm);font-weight:600;color:var(--ink)}.field input,.field select,.field textarea{font:inherit;font-weight:400;color:var(--ink);padding:.7rem .85rem;border:1.5px solid var(--line);border-radius:var(--radius-sm);background:#fff;transition:border-color .15s ease}.field input:focus,.field select:focus,.field textarea:focus{outline:none;border-color:var(--violet)}.prose{max-width:46rem;margin-inline:auto}.prose h2{font-size:var(--text-2xl);margin-top:2.2em}.prose h3{margin-top:1.8em}.prose img{border-radius:var(--radius);margin-block:1.5rem}.prose ul,.prose ol{padding-left:1.4rem;margin-bottom:1.2em}.prose li{margin-bottom:.4em}.prose li::marker{color:var(--violet)}.prose blockquote{margin:1.5rem 0;padding:.25rem 0 .25rem 1.25rem;border-left:3px solid var(--violet);color:var(--ink);font-style:italic}.prose table{width:100%;border-collapse:collapse;font-size:var(--text-sm);margin-block:1.5rem;display:block;overflow-x:auto}.prose th,.prose td{border:1px solid var(--line);padding:.6rem .8rem;text-align:left}.prose th{background:var(--mist);font-family:var(--font-display);color:var(--ink)}.prose iframe{width:100%;aspect-ratio:16 / 9;height:auto;border:none;border-radius:var(--radius);margin-block:1.5rem}.prose a{text-decoration:underline;text-underline-offset:3px}.prose hr{border:none;border-top:1px solid var(--line);margin-block:2.5rem}.card>.icon-chip{margin-bottom:.9rem}body.menu-open{overflow:hidden}.icon-chip[data-astro-cid-patnjmll]{display:inline-flex;align-items:center;justify-content:center;width:44px;height:44px;flex-shrink:0;border-radius:12px;color:#fff;background:linear-gradient(135deg,var(--grad-a),var(--violet) 55%,var(--cyan));box-shadow:0 4px 12px -4px #6d3bf580}.site-header[data-astro-cid-3ef6ksr2]{position:sticky;top:0;z-index:9000;background:#ffffffeb;backdrop-filter:blur(10px);border-bottom:1px solid var(--line)}.header-row[data-astro-cid-3ef6ksr2]{display:flex;align-items:center;gap:2rem;min-height:4.5rem}.brand[data-astro-cid-3ef6ksr2]{flex-shrink:0;display:flex;align-items:center}.brand[data-astro-cid-3ef6ksr2] img[data-astro-cid-3ef6ksr2]{width:138px;height:auto}.nav[data-astro-cid-3ef6ksr2]{display:flex;align-items:center;justify-content:space-between;flex:1;gap:1.5rem}.nav-list[data-astro-cid-3ef6ksr2]{display:flex;align-items:center;gap:.25rem;list-style:none;margin:0;padding:0}.nav-list[data-astro-cid-3ef6ksr2]>li[data-astro-cid-3ef6ksr2]>a[data-astro-cid-3ef6ksr2],.nav-list[data-astro-cid-3ef6ksr2]>li[data-astro-cid-3ef6ksr2]>.sub-head[data-astro-cid-3ef6ksr2]>a[data-astro-cid-3ef6ksr2]{display:inline-block;font-family:var(--font-display);font-size:var(--text-sm);font-weight:560;color:var(--ink);padding:.55rem .8rem;border-radius:8px}.nav-list[data-astro-cid-3ef6ksr2]>li[data-astro-cid-3ef6ksr2]>a[data-astro-cid-3ef6ksr2]:hover,.nav-list[data-astro-cid-3ef6ksr2]>li[data-astro-cid-3ef6ksr2]>.sub-head[data-astro-cid-3ef6ksr2]>a[data-astro-cid-3ef6ksr2]:hover{text-decoration:none;background:var(--violet-soft);color:var(--violet-deep)}.has-sub[data-astro-cid-3ef6ksr2]{position:relative}.sub-head[data-astro-cid-3ef6ksr2]{display:flex;align-items:center}.sub-toggle[data-astro-cid-3ef6ksr2]{display:none;background:none;border:none;cursor:pointer;width:44px;height:44px;position:relative}.sub-toggle[data-astro-cid-3ef6ksr2]:after{content:"";position:absolute;top:17px;left:17px;width:9px;height:9px;border-right:2px solid var(--ink);border-bottom:2px solid var(--ink);transform:rotate(45deg);transition:transform .2s ease}.has-sub[data-astro-cid-3ef6ksr2].is-open .sub-toggle[data-astro-cid-3ef6ksr2]:after{transform:rotate(225deg);top:21px}.header-cta[data-astro-cid-3ef6ksr2]{display:none;white-space:nowrap}.has-sub[data-astro-cid-3ef6ksr2]>.sub-head[data-astro-cid-3ef6ksr2]>a[data-astro-cid-3ef6ksr2]:after{content:"";display:inline-block;margin-left:.4rem;width:7px;height:7px;border-right:1.7px solid currentColor;border-bottom:1.7px solid currentColor;transform:rotate(45deg) translateY(-2px)}.sub[data-astro-cid-3ef6ksr2]{position:absolute;top:calc(100% + .4rem);left:0;min-width:22rem;background:#fff;border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow-pop);padding:.5rem;margin:0;list-style:none;opacity:0;visibility:hidden;transform:translateY(6px);transition:opacity .16s ease,transform .16s ease,visibility .16s}.has-sub[data-astro-cid-3ef6ksr2]:hover .sub[data-astro-cid-3ef6ksr2],.has-sub[data-astro-cid-3ef6ksr2]:focus-within .sub[data-astro-cid-3ef6ksr2]{opacity:1;visibility:visible;transform:translateY(0)}.sub[data-astro-cid-3ef6ksr2] a[data-astro-cid-3ef6ksr2]{display:flex;align-items:flex-start;gap:.7rem;padding:.65rem .8rem;border-radius:var(--radius-sm)}.sub-icon[data-astro-cid-3ef6ksr2]{display:inline-flex;align-items:center;justify-content:center;width:32px;height:32px;flex-shrink:0;margin-top:-4px;border-radius:9px;color:var(--violet);background:var(--violet-soft)}.sub[data-astro-cid-3ef6ksr2] a[data-astro-cid-3ef6ksr2]:hover{text-decoration:none;background:var(--mist)}.sub[data-astro-cid-3ef6ksr2] strong[data-astro-cid-3ef6ksr2]{display:block;font-family:var(--font-display);font-size:var(--text-sm);font-weight:620;color:var(--ink)}.sub-text[data-astro-cid-3ef6ksr2]>span[data-astro-cid-3ef6ksr2]{display:block;font-size:var(--text-xs);color:var(--muted);line-height:1.45;margin-top:.1rem}.nav-actions[data-astro-cid-3ef6ksr2]{display:flex;align-items:center;gap:1rem;flex-shrink:0}.nav-login[data-astro-cid-3ef6ksr2]{font-family:var(--font-display);font-size:var(--text-sm);font-weight:560;color:var(--ink)}.nav-login[data-astro-cid-3ef6ksr2]:hover{color:var(--violet);text-decoration:none}.nav-toggle[data-astro-cid-3ef6ksr2]{display:none;margin-left:auto;width:44px;height:44px;border:none;background:none;cursor:pointer;position:relative}.nav-toggle-bar[data-astro-cid-3ef6ksr2],.nav-toggle-bar[data-astro-cid-3ef6ksr2]:before,.nav-toggle-bar[data-astro-cid-3ef6ksr2]:after{content:"";display:block;position:absolute;left:10px;width:24px;height:2.5px;border-radius:2px;background:var(--ink);transition:transform .2s ease,opacity .2s ease}.nav-toggle-bar[data-astro-cid-3ef6ksr2]{top:21px}.nav-toggle-bar[data-astro-cid-3ef6ksr2]:before{left:0;top:-7px}.nav-toggle-bar[data-astro-cid-3ef6ksr2]:after{left:0;top:7px}.nav-toggle[data-astro-cid-3ef6ksr2][aria-expanded=true] .nav-toggle-bar[data-astro-cid-3ef6ksr2]{background:transparent}.nav-toggle[data-astro-cid-3ef6ksr2][aria-expanded=true] .nav-toggle-bar[data-astro-cid-3ef6ksr2]:before{transform:translateY(7px) rotate(45deg)}.nav-toggle[data-astro-cid-3ef6ksr2][aria-expanded=true] .nav-toggle-bar[data-astro-cid-3ef6ksr2]:after{transform:translateY(-7px) rotate(-45deg)}.visually-hidden[data-astro-cid-3ef6ksr2]{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0)}@media(max-width:900px){.header-row[data-astro-cid-3ef6ksr2]{gap:.75rem}.nav-toggle[data-astro-cid-3ef6ksr2]{display:block;margin-left:0;flex-shrink:0}.header-cta[data-astro-cid-3ef6ksr2]{display:inline-flex;margin-left:auto;padding:.55rem 1.1rem;font-size:var(--text-xs)}.nav[data-astro-cid-3ef6ksr2]{display:none;position:absolute;top:100%;left:0;right:0;flex-direction:column;align-items:stretch;background:#fff;border-bottom:1px solid var(--line);padding:1rem clamp(1.25rem,4vw,2.5rem) 1.5rem;max-height:calc(100vh - 4.5rem);overflow-y:auto;box-shadow:var(--shadow-pop)}.site-header[data-astro-cid-3ef6ksr2].is-open .nav[data-astro-cid-3ef6ksr2]{display:flex}.nav-list[data-astro-cid-3ef6ksr2]{flex-direction:column;align-items:stretch;gap:0}.nav-list[data-astro-cid-3ef6ksr2]>li[data-astro-cid-3ef6ksr2]>a[data-astro-cid-3ef6ksr2],.nav-list[data-astro-cid-3ef6ksr2]>li[data-astro-cid-3ef6ksr2]>.sub-head[data-astro-cid-3ef6ksr2]>a[data-astro-cid-3ef6ksr2]{display:block;flex:1;padding:.8rem .5rem;font-size:var(--text-base)}.has-sub[data-astro-cid-3ef6ksr2]>.sub-head[data-astro-cid-3ef6ksr2]>a[data-astro-cid-3ef6ksr2]:after{display:none}.sub-toggle[data-astro-cid-3ef6ksr2]{display:block;flex-shrink:0}.sub[data-astro-cid-3ef6ksr2]{display:none}.has-sub[data-astro-cid-3ef6ksr2].is-open .sub[data-astro-cid-3ef6ksr2]{display:block}.sub[data-astro-cid-3ef6ksr2]{position:static;opacity:1;visibility:visible;transform:none;box-shadow:none;border:none;border-left:2px solid var(--line);border-radius:0;padding:0 0 .5rem .75rem;margin-left:.5rem;min-width:0}.sub-text[data-astro-cid-3ef6ksr2]>span[data-astro-cid-3ef6ksr2],.sub-icon[data-astro-cid-3ef6ksr2]{display:none}.nav-actions[data-astro-cid-3ef6ksr2]{order:-1;justify-content:stretch;flex-direction:column;align-items:stretch;gap:.75rem;margin:0 0 1rem;padding-bottom:1rem;border-bottom:1px solid var(--line);text-align:center}}@media(max-width:359px){.header-cta[data-astro-cid-3ef6ksr2]{display:none}.nav-toggle[data-astro-cid-3ef6ksr2]{margin-left:auto}}.site-footer[data-astro-cid-sz7xmlte]{background:var(--ink);color:#c9c4e4;padding:4.5rem 0 2rem;font-size:var(--text-sm)}.footer-grid[data-astro-cid-sz7xmlte]{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:2.5rem}.footer-brand[data-astro-cid-sz7xmlte] img[data-astro-cid-sz7xmlte]{width:130px;height:auto;margin-bottom:1rem}.footer-brand[data-astro-cid-sz7xmlte] p[data-astro-cid-sz7xmlte]{max-width:32ch;line-height:1.6}address[data-astro-cid-sz7xmlte]{font-style:normal;line-height:1.8;margin-bottom:1rem}.site-footer[data-astro-cid-sz7xmlte] h2[data-astro-cid-sz7xmlte]{font-family:var(--font-display);font-size:var(--text-xs);font-weight:620;letter-spacing:.14em;text-transform:uppercase;color:#8d86bb;margin-bottom:1rem}.site-footer[data-astro-cid-sz7xmlte] ul[data-astro-cid-sz7xmlte]{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:.55rem}.site-footer[data-astro-cid-sz7xmlte] a[data-astro-cid-sz7xmlte]{color:#dedaf3}.site-footer[data-astro-cid-sz7xmlte] a[data-astro-cid-sz7xmlte]:hover{color:var(--cyan-raw);text-decoration:none}.social[data-astro-cid-sz7xmlte]{display:flex;gap:.9rem}.social[data-astro-cid-sz7xmlte] a[data-astro-cid-sz7xmlte]{color:#8d86bb}.social[data-astro-cid-sz7xmlte] a[data-astro-cid-sz7xmlte]:hover{color:var(--cyan-raw)}.footer-legal[data-astro-cid-sz7xmlte]{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:1rem;border-top:1px solid #332c5e;margin-top:3.5rem;padding-top:1.75rem;font-size:var(--text-xs)}.footer-legal[data-astro-cid-sz7xmlte] p[data-astro-cid-sz7xmlte]{margin:0;color:#8d86bb}.footer-legal[data-astro-cid-sz7xmlte] ul[data-astro-cid-sz7xmlte]{flex-direction:row;flex-wrap:wrap;gap:1.5rem}@media(max-width:900px){.footer-grid[data-astro-cid-sz7xmlte]{grid-template-columns:1fr 1fr}}@media(max-width:560px){.footer-grid[data-astro-cid-sz7xmlte]{grid-template-columns:1fr}}#ls-wpp[data-astro-cid-fc6xprfb]{position:fixed;right:20px;bottom:20px;z-index:8000}body:has(.site-header.is-open) #ls-wpp[data-astro-cid-fc6xprfb]{display:none}.wpp-backdrop[data-astro-cid-fc6xprfb]{display:none}.wpp-fab[data-astro-cid-fc6xprfb]{width:60px;height:60px;margin-left:auto;display:flex;align-items:center;justify-content:center;border:none;border-radius:50%;background:var(--whatsapp);color:#fff;cursor:pointer;box-shadow:0 4px 14px #00000040}.wpp-fab[data-astro-cid-fc6xprfb]:hover{filter:brightness(.95)}.wpp-panel[data-astro-cid-fc6xprfb]{width:320px;max-width:calc(100vw - 40px);margin-bottom:12px;background:#fff;border-radius:var(--radius);box-shadow:var(--shadow-pop);overflow:hidden auto;max-height:min(34rem,calc(100dvh - 7rem))}@media(max-width:480px){#ls-wpp[data-astro-cid-fc6xprfb]{right:16px;bottom:16px}.wpp-fab[data-astro-cid-fc6xprfb]{width:52px;height:52px}.wpp-fab[data-astro-cid-fc6xprfb] svg[data-astro-cid-fc6xprfb]{width:26px;height:26px}.wpp-panel[data-astro-cid-fc6xprfb]{position:fixed;left:0;right:0;bottom:0;width:auto;max-width:none;margin:0;border-radius:var(--radius-lg) var(--radius-lg) 0 0;max-height:85dvh}.wpp-backdrop[data-astro-cid-fc6xprfb]:not([hidden]){display:block;position:fixed;inset:0;background:#17123a80}}.wpp-head[data-astro-cid-fc6xprfb]{display:flex;align-items:center;justify-content:space-between;background:var(--ink);color:#fff;padding:14px 16px;font-family:var(--font-display);font-weight:620}.wpp-head[data-astro-cid-fc6xprfb] small[data-astro-cid-fc6xprfb]{display:block;font-family:var(--font-body);font-weight:400;opacity:.85;font-size:12px;margin-top:2px}.wpp-close[data-astro-cid-fc6xprfb]{background:none;border:none;color:#fff;font-size:22px;line-height:1;cursor:pointer}.wpp-form[data-astro-cid-fc6xprfb]{display:flex;flex-direction:column;gap:10px;padding:16px}.wpp-go[data-astro-cid-fc6xprfb]{margin-top:4px;background:var(--whatsapp);color:#fff;border:none;border-radius:var(--radius-sm);padding:11px;font-family:var(--font-display);font-size:15px;font-weight:700;cursor:pointer}.wpp-go[data-astro-cid-fc6xprfb]:hover{filter:brightness(.96)}.wpp-go[data-astro-cid-fc6xprfb][disabled]{opacity:.6;cursor:default}.wpp-msg[data-astro-cid-fc6xprfb]{margin:6px 0 0;font-size:13px;color:var(--ink);text-align:center}.skip-link[data-astro-cid-5hce7sga]{position:absolute;top:-100px;left:1rem;z-index:100000;background:var(--ink);color:#fff;padding:.6rem 1rem;border-radius:0 0 var(--radius-sm) var(--radius-sm)}.skip-link[data-astro-cid-5hce7sga]:focus{top:0}