/*! tailwindcss v4.2.1 | MIT License | https://tailwindcss.com */
@layer theme{:root,:host{--font-sans:ui-sans-serif, system-ui, sans-serif, "Apple Color Emoji", "Segoe UI Emoji", "Segoe UI Symbol", "Noto Color Emoji";--font-mono:ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;--spacing:.25rem;--default-font-family:var(--font-sans);--default-mono-font-family:var(--font-mono)}}@layer base{*,:after,:before,::backdrop{box-sizing:border-box;border:0 solid;margin:0;padding:0}::file-selector-button{box-sizing:border-box;border:0 solid;margin:0;padding:0}html,:host{-webkit-text-size-adjust:100%;tab-size:4;line-height:1.5;font-family:var(--default-font-family,ui-sans-serif, system-ui, sans-serif, "Apple Color Emoji", "Segoe UI Emoji", "Segoe UI Symbol", "Noto Color Emoji");font-feature-settings:var(--default-font-feature-settings,normal);font-variation-settings:var(--default-font-variation-settings,normal);-webkit-tap-highlight-color:transparent}hr{height:0;color:inherit;border-top-width:1px}abbr:where([title]){-webkit-text-decoration:underline dotted;text-decoration:underline dotted}h1,h2,h3,h4,h5,h6{font-size:inherit;font-weight:inherit}a{color:inherit;-webkit-text-decoration:inherit;-webkit-text-decoration:inherit;-webkit-text-decoration:inherit;-webkit-text-decoration:inherit;text-decoration:inherit}b,strong{font-weight:bolder}code,kbd,samp,pre{font-family:var(--default-mono-font-family,ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace);font-feature-settings:var(--default-mono-font-feature-settings,normal);font-variation-settings:var(--default-mono-font-variation-settings,normal);font-size:1em}small{font-size:80%}sub,sup{vertical-align:baseline;font-size:75%;line-height:0;position:relative}sub{bottom:-.25em}sup{top:-.5em}table{text-indent:0;border-color:inherit;border-collapse:collapse}:-moz-focusring{outline:auto}progress{vertical-align:baseline}summary{display:list-item}ol,ul,menu{list-style:none}img,svg,video,canvas,audio,iframe,embed,object{vertical-align:middle;display:block}img,video{max-width:100%;height:auto}button,input,select,optgroup,textarea{font:inherit;font-feature-settings:inherit;font-variation-settings:inherit;letter-spacing:inherit;color:inherit;opacity:1;background-color:#0000;border-radius:0}::file-selector-button{font:inherit;font-feature-settings:inherit;font-variation-settings:inherit;letter-spacing:inherit;color:inherit;opacity:1;background-color:#0000;border-radius:0}:where(select:is([multiple],[size])) optgroup{font-weight:bolder}:where(select:is([multiple],[size])) optgroup option{padding-inline-start:20px}::file-selector-button{margin-inline-end:4px}::placeholder{opacity:1}@supports (not ((-webkit-appearance:-apple-pay-button))) or (contain-intrinsic-size:1px){::placeholder{color:currentColor}@supports (color:color-mix(in lab, red, red)){::placeholder{color:color-mix(in oklab, currentcolor 50%, transparent)}}}textarea{resize:vertical}::-webkit-search-decoration{-webkit-appearance:none}::-webkit-date-and-time-value{min-height:1lh;text-align:inherit}::-webkit-datetime-edit{display:inline-flex}::-webkit-datetime-edit-fields-wrapper{padding:0}::-webkit-datetime-edit{padding-block:0}::-webkit-datetime-edit-year-field{padding-block:0}::-webkit-datetime-edit-month-field{padding-block:0}::-webkit-datetime-edit-day-field{padding-block:0}::-webkit-datetime-edit-hour-field{padding-block:0}::-webkit-datetime-edit-minute-field{padding-block:0}::-webkit-datetime-edit-second-field{padding-block:0}::-webkit-datetime-edit-millisecond-field{padding-block:0}::-webkit-datetime-edit-meridiem-field{padding-block:0}::-webkit-calendar-picker-indicator{line-height:1}:-moz-ui-invalid{box-shadow:none}button,input:where([type=button],[type=reset],[type=submit]){appearance:button}::file-selector-button{appearance:button}::-webkit-inner-spin-button{height:auto}::-webkit-outer-spin-button{height:auto}[hidden]:where(:not([hidden=until-found])){display:none!important}}@layer components;@layer utilities{.visible{visibility:visible}.start{inset-inline-start:var(--spacing)}.table{display:table}.antialiased{-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}}:root{--navy:#071f43;--navy-2:#0d3265;--navy-3:#174a8b;--yellow:#ffd62e;--yellow-soft:#fff8cf;--ink:#10213a;--muted:#607087;--line:#d9e1ea;--paper:#fff;--cloud:#f4f7fb;--success:#1d9b60;--shadow:0 22px 70px #071f431f}*{box-sizing:border-box}html{scroll-behavior:smooth}body{background:var(--cloud);color:var(--ink);font-family:var(--font-geist-sans), "Noto Sans TC", "PingFang TC", "Microsoft JhengHei", sans-serif;margin:0}button,input,summary{font:inherit}button{-webkit-tap-highlight-color:transparent}button:focus-visible,input:focus-visible,summary:focus-visible{outline-offset:3px;outline:4px solid #ffd62e9e}h1:focus{outline:none}.site-shell{background:radial-gradient(circle at 100% 0, #174a8b1a, transparent 35rem), var(--cloud);min-height:100vh;overflow:hidden}.page-width{width:min(1180px,100% - 48px);margin-inline:auto}.topbar{border-bottom:1px solid #071f4321;justify-content:space-between;align-items:center;width:min(1180px,100% - 48px);height:82px;margin:0 auto;display:flex}.brand{color:inherit;cursor:pointer;text-align:left;background:0 0;border:0;align-items:center;gap:12px;padding:0;display:flex}.brand-mark{background:var(--navy);width:42px;height:42px;color:var(--yellow);border-radius:11px 11px 11px 3px;place-items:center;font-size:24px;font-weight:950;display:grid;transform:skew(-5deg);box-shadow:0 9px 20px #071f4333}.brand-copy{line-height:1;display:grid}.brand-copy strong{letter-spacing:.1em;font-size:17px}.brand-copy small{color:var(--muted);letter-spacing:.18em;margin-top:5px;font-size:11px;font-weight:700}.privacy-pill{border:1px solid var(--line);color:var(--navy);background:#ffffffbf;border-radius:999px;align-items:center;gap:8px;padding:9px 14px;font-size:12px;font-weight:750;display:inline-flex}.privacy-pill i{color:var(--success);font-size:9px;font-style:normal}.hero{grid-template-columns:.9fr 1.1fr;align-items:center;gap:clamp(42px,6vw,86px);min-height:710px;padding:62px 0;display:grid}.eyebrow{color:var(--navy-3);letter-spacing:.15em;text-transform:uppercase;margin:0 0 16px;font-size:12px;font-weight:900}.hero h1{letter-spacing:-.055em;max-width:680px;margin:0;font-size:clamp(44px,5.2vw,70px);font-weight:920;line-height:1.14}.hero h1 em{color:var(--navy-3);background:linear-gradient(transparent 68%, var(--yellow) 68%);font-style:normal}.hero-lead{color:#42546c;max-width:620px;margin:27px 0 30px;font-size:18px;line-height:1.8}.hero-actions{flex-wrap:wrap;gap:12px;display:flex}.primary-button,.secondary-button{cursor:pointer;border-radius:14px;min-height:58px;padding:0 27px;font-size:16px;font-weight:850;transition:transform .16s,box-shadow .16s,background .16s}.primary-button{background:var(--navy);color:#fff;border:0;justify-content:center;align-items:center;gap:24px;display:inline-flex;box-shadow:0 13px 27px #071f4333}.primary-button:hover{background:var(--navy-2);transform:translateY(-2px);box-shadow:0 16px 34px #071f433d}.primary-button span{color:var(--yellow);font-size:22px}.secondary-button{border:1.5px solid var(--navy);color:var(--navy);background:#fff}.secondary-button:hover{background:#edf3fa;transform:translateY(-2px)}.hero-reminder{color:#394b61;align-items:flex-start;gap:12px;max-width:625px;margin-top:24px;font-size:13px;line-height:1.6;display:flex}.hero-reminder>span{background:var(--yellow);width:25px;height:25px;color:var(--navy);border-radius:50%;flex:0 0 25px;place-items:center;font-weight:950;display:grid}.hero-reminder p{margin:2px 0 0}.image-frame{box-shadow:var(--shadow);background:#fff;border:1px solid #071f431a;border-radius:22px;margin:0;overflow:hidden}.image-frame img,.guide-gallery img{width:100%;height:auto;display:block}.hero-image{border:8px solid #fff;transform:rotate(.35deg)}.section-space{padding:86px 0}.section-heading{text-align:center;max-width:730px;margin:0 auto 42px}.section-heading h2{color:var(--navy);letter-spacing:-.04em;margin:0;font-size:clamp(31px,4vw,48px);line-height:1.23}.section-heading>p:last-child{color:var(--muted);margin:15px 0 0;line-height:1.7}.section-heading.compact{margin-bottom:28px}.how-to{border-block:1px solid var(--line);background:#fff}.steps-grid{grid-template-columns:repeat(3,1fr);gap:16px;display:grid}.steps-grid article{border:1px solid var(--line);background:var(--cloud);border-radius:20px;min-height:235px;padding:27px}.steps-grid b{background:var(--yellow);width:44px;height:44px;color:var(--navy);border-radius:50%;place-items:center;font-size:20px;display:grid}.steps-grid h3{color:var(--navy);margin:28px 0 10px;font-size:21px}.steps-grid p{color:var(--muted);margin:0;font-size:14px;line-height:1.75}.important-note{border:2px solid var(--navy);background:var(--yellow-soft);color:var(--navy);border-radius:16px;align-items:center;gap:18px;margin-top:17px;padding:20px 23px;display:flex}.important-note strong{background:var(--navy);color:#fff;white-space:nowrap;border-radius:8px;padding:7px 11px}.important-note span{font-weight:700;line-height:1.6}.tool-section{padding-inline:24px}.tool-card{background:var(--navy);color:#fff;border-radius:28px;grid-template-columns:1fr .84fr;align-items:center;gap:50px;width:min(900px,100%);margin:0 auto;padding:clamp(28px,5vw,54px);display:grid;box-shadow:0 26px 70px #071f4338}.tool-copy .eyebrow{color:var(--yellow)}.tool-copy h2{letter-spacing:-.04em;margin:0;font-size:clamp(30px,4vw,44px);line-height:1.25}.tool-copy>p:last-child{color:#b9c9db;margin:18px 0 0;line-height:1.65}.tool-card form{color:var(--ink);background:#fff;border-radius:20px;padding:25px}.tool-card label{color:var(--navy);margin-bottom:10px;font-size:13px;font-weight:850;display:block}.number-field{background:#fff;border:2px solid #a9b6c7;border-radius:14px;align-items:center;height:76px;display:flex;overflow:hidden}.number-field:focus-within{border-color:var(--navy-3);box-shadow:0 0 0 4px #174a8b1f}.number-field.has-error{border-color:#c83434}.number-field input{width:100%;min-width:0;height:100%;color:var(--navy);border:0;outline:0;padding:0 14px 0 18px;font-size:29px;font-weight:850}.number-field input::placeholder{color:#a4adba;font-weight:600}.number-field>span{border-left:1px solid var(--line);color:var(--navy);white-space:nowrap;padding:0 17px;font-weight:850}.field-help,.field-error{margin:10px 0 0;font-size:11px;line-height:1.5}.field-help{color:var(--muted)}.field-error{color:#bb2323;font-weight:800}.submit-button{background:var(--yellow);width:100%;color:var(--navy);box-shadow:none;margin-top:19px}.submit-button:hover{background:#ffe260}.submit-button span{color:var(--navy)}.size-table-section{padding-top:42px}.size-table-wrap{border:1px solid var(--line);background:#fff;border-radius:18px;max-width:800px;margin:0 auto;overflow:hidden;box-shadow:0 14px 40px #071f4312}table{border-collapse:collapse;text-align:center;width:100%}th,td{border-bottom:1px solid var(--line);padding:17px 20px}thead th{background:var(--navy);color:#fff;font-size:13px}tbody th{color:var(--navy);font-size:20px}tbody tr:last-child th,tbody tr:last-child td{border-bottom:0}tbody tr:nth-child(2n){background:#f7f9fc}.overlap-note{max-width:800px;color:var(--muted);text-align:center;margin:13px auto 0;font-size:12px;line-height:1.6}.why-section{border-block:1px solid var(--line);background:#fff}.why-grid{grid-template-columns:repeat(2,minmax(0,1fr));align-items:start;gap:24px;display:grid}.why-card{border:1px solid var(--line);background:var(--cloud);border-radius:24px;padding:24px}.why-card>div{min-height:134px}.why-card>div>span{color:var(--navy-3);letter-spacing:.15em;font-size:11px;font-weight:950}.why-card h3{color:var(--navy);margin:8px 0;font-size:25px}.why-card p{color:var(--muted);margin:0 0 20px;font-size:14px;line-height:1.7}.why-card figure{max-width:470px;box-shadow:none;border-radius:16px;margin:0 auto}.more-guides details{border:1px solid var(--line);background:#fff;border-radius:20px;overflow:hidden}.more-guides summary{min-height:78px;color:var(--navy);cursor:pointer;justify-content:space-between;align-items:center;padding:0 25px;font-size:18px;font-weight:900;list-style:none;display:flex}.more-guides summary::-webkit-details-marker{display:none}.more-guides summary span{background:var(--yellow);border-radius:50%;place-items:center;width:34px;height:34px;font-size:24px;display:grid}.more-guides details[open] summary span{transform:rotate(45deg)}.guide-gallery{border-top:1px solid var(--line);background:var(--cloud);grid-template-columns:repeat(2,minmax(0,1fr));gap:20px;padding:25px;display:grid}.guide-gallery figure{background:#fff;border-radius:14px;margin:0;overflow:hidden;box-shadow:0 10px 30px #071f4314}.decision-page,.result-page{min-height:calc(100vh - 176px);padding:50px 0 90px}.back-link{color:var(--navy-3);cursor:pointer;background:0 0;border:0;padding:10px 0;font-weight:800}.decision-card{max-width:760px;box-shadow:var(--shadow);text-align:center;background:#fff;border-radius:26px;margin:30px auto 0;padding:clamp(30px,6vw,60px)}.decision-card h1{color:var(--navy);letter-spacing:-.04em;margin:0;font-size:clamp(31px,5vw,48px);line-height:1.25}.decision-lead{color:var(--muted);margin:24px 0 18px;font-size:18px;font-weight:750}.fit-buttons{grid-template-columns:1fr 1fr;gap:14px;display:grid}.fit-buttons button{border:2px solid var(--line);background:var(--cloud);min-height:125px;color:var(--navy);cursor:pointer;text-align:left;border-radius:17px;flex-direction:column;justify-content:center;gap:7px;padding:22px;display:flex;position:relative}.fit-buttons button:hover{border-color:var(--navy-3);background:#edf4ff}.fit-buttons strong{font-size:21px}.fit-buttons span{color:var(--muted);font-size:13px}.fit-buttons i{color:var(--navy-3);font-style:normal;font-weight:900;position:absolute;right:20px}.privacy-text{color:var(--muted);margin:18px 0 0;font-size:11px}.result-page{max-width:900px}.result-head{text-align:center;padding:12px 0 30px}.success-icon,.range-icon{background:var(--success);color:#fff;border-radius:50%;place-items:center;width:54px;height:54px;margin:0 auto 18px;font-size:26px;font-weight:950;display:grid;box-shadow:0 10px 24px #1d9b6033}.range-icon{background:var(--yellow);color:var(--navy);box-shadow:0 10px 24px #ffd62e3d}.result-head h1{color:var(--navy);letter-spacing:-.045em;margin:0;font-size:clamp(34px,5vw,52px)}.result-layout{grid-template-columns:1fr 1fr;gap:15px;display:grid}.measurement-result,.size-result{border-radius:22px;flex-direction:column;justify-content:space-between;min-height:210px;padding:28px;display:flex}.measurement-result{border:1px solid var(--line);background:#fff}.size-result{background:var(--navy);color:#fff}.measurement-result>span,.size-result>span{color:var(--muted);letter-spacing:.08em;font-size:12px;font-weight:850}.size-result>span{color:#b9c9db}.measurement-result strong,.size-result strong{color:var(--navy);font-size:clamp(48px,8vw,76px);line-height:1}.measurement-result strong small{margin-left:7px;font-size:18px}.size-result strong{color:var(--yellow)}.measurement-result p,.size-result p{color:var(--muted);margin:0;font-size:12px}.size-result p{color:#b9c9db}.reason-card,.result-reminder,.out-of-range-card{border:1px solid var(--line);background:#fff;border-radius:18px;margin-top:15px;padding:26px}.reason-card h2,.out-of-range-card h2{color:var(--navy);margin:0 0 10px;font-size:18px}.reason-card p,.result-reminder p,.out-of-range-card p{color:#42546c;margin:0;line-height:1.8}.result-reminder{background:var(--yellow-soft);border-color:#ebd665;align-items:flex-start;gap:18px;display:flex}.result-reminder strong{color:var(--navy);flex:none}.result-actions{justify-content:center;gap:12px;margin-top:24px;display:flex}.range-head{padding-top:30px}.out-of-range-card{text-align:center;max-width:760px;margin:12px auto 0;padding:35px}footer{border-top:1px solid var(--line);background:#fff}.footer-inner{min-height:94px;color:var(--muted);align-items:center;gap:22px;font-size:11px;display:flex}.footer-inner span{color:var(--navy);font-weight:900}.footer-inner p{margin:0}.footer-inner small{margin-left:auto}@media (width<=900px){.hero{grid-template-columns:1fr;gap:45px}.hero-copy,.hero-image{max-width:760px}.tool-card{grid-template-columns:1fr;gap:28px}}@media (width<=650px){.page-width,.topbar{width:min(100% - 30px,1180px)}.topbar{height:70px}.brand-mark{width:36px;height:36px;font-size:20px}.brand-copy strong{font-size:14px}.brand-copy small{font-size:9px}.privacy-pill{padding:7px 9px;font-size:9px}.hero{gap:34px;min-height:auto;padding:42px 0 55px}.hero h1{font-size:clamp(38px,11vw,52px)}.hero-lead{margin:21px 0 26px;font-size:16px}.hero-actions{grid-template-columns:1fr;display:grid}.hero-actions button{width:100%}.hero-reminder{font-size:12px}.hero-image{border-width:5px;border-radius:16px;transform:none}.section-space{padding:62px 0}.section-heading{margin-bottom:30px}.section-heading h2{font-size:31px}.steps-grid,.why-grid,.result-layout,.fit-buttons{grid-template-columns:1fr}.steps-grid article{min-height:0}.steps-grid h3{margin-top:20px}.important-note{flex-direction:column;align-items:flex-start}.tool-section{padding-inline:14px}.tool-card{border-radius:22px;padding:24px 18px}.tool-card form{padding:19px 15px}.number-field{height:72px}.number-field input{font-size:27px}.size-table-section{padding-top:20px}th,td{padding:14px 8px;font-size:12px}tbody th{font-size:17px}.why-card{padding:17px}.why-card>div{min-height:0}.guide-gallery{grid-template-columns:1fr;padding:14px}.decision-page,.result-page{width:min(100% - 28px,900px);padding-top:30px}.decision-card{margin-top:18px;padding:30px 18px}.fit-buttons button{min-height:100px}.measurement-result,.size-result{min-height:160px}.result-reminder{flex-direction:column;gap:8px}.result-actions{flex-direction:column}.result-actions button{width:100%}.footer-inner{flex-wrap:wrap;gap:6px 14px;padding-block:20px}.footer-inner small{width:100%;margin-left:0}}@media (prefers-reduced-motion:reduce){*,:before,:after{scroll-behavior:auto!important;transition:none!important}}