@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;--default-font-family:var(--font-sans);--default-mono-font-family:var(--font-mono);--color-palette-gray-100:#f2f3f5;--color-palette-red-600:#cf1322;--color-content-primary:#1f2329;--color-content-secondary:#8f959e;--color-surface-page:#f7f8fa;--color-surface-card:#fff;--color-border-default:#dee0e3;--color-status-danger:#cf1322}}@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{.inline{display:inline}}:root{--color-palette-blue-500:#1677ff;--color-palette-blue-600:#0958d9;--color-palette-gray-50:#f7f8fa;--color-palette-gray-100:#f2f3f5;--color-palette-gray-200:#dee0e3;--color-palette-gray-500:#8f959e;--color-palette-gray-900:#1f2329;--color-palette-gray-950:#111318;--color-palette-white:#fff;--color-palette-red-50:#fff1f0;--color-palette-red-200:#ffccc7;--color-palette-red-600:#cf1322;--color-palette-gold-50:#fff7e6;--color-palette-gold-200:#ffd666;--color-palette-gold-500:#faad14;--color-palette-green-500:#22c55e;--color-content-primary:#1f2329;--color-content-secondary:#8f959e;--color-content-inverse:#fff;--color-surface-page:#f7f8fa;--color-surface-card:#fff;--color-surface-elevated:#fff;--color-border-default:#dee0e3;--color-action-primary:#1677ff;--color-action-primary-hover:#0958d9;--color-status-success:#22c55e;--color-status-danger:#cf1322;--motion-duration-fast:.12s;--motion-duration-normal:.2s;--motion-easing-standard:cubic-bezier(.2, 0, 0, 1);--radius-sm:4px;--radius-md:8px;--radius-lg:12px;--radius-full:999px;--shadow-sm:0 1px 2px #1f232914;--shadow-md:0 8px 24px #1f23291a;--spacing-0:0px;--spacing-1:4px;--spacing-2:8px;--spacing-3:12px;--spacing-4:16px;--spacing-6:24px;--spacing-8:32px;--font-size-sm:12px;--font-size-md:14px;--font-size-lg:18px;--font-weight-regular:400;--font-weight-medium:500;--font-weight-bold:700;--font-line-height-body:1.6;--font-line-height-title:1.35;--z-index-dropdown:1000;--z-index-modal:1100;--z-index-toast:1200;--layout-page-padding:16px;--layout-card-gap:12px;--state-disabled-opacity:.48;--state-focus-ring:0 0 0 2px #1677ff3d;--typography-body-size:14px;--typography-body-weight:400;--typography-body-line-height:1.6;--typography-title-size:18px;--typography-title-weight:700;--typography-title-line-height:1.35;--scene-card-bg:#fff;--scene-card-text:#1f2329;--scene-card-border:#dee0e3;--scene-accent-color:#1677ff;--button-primary-bg-default:#1677ff;--button-primary-bg-hover:#0958d9;--button-primary-text-default:#fff;--button-primary-radius:8px;--button-primary-height-md:40px;--button-primary-padding-x-md:16px;--card-bg:#fff;--card-text:#1f2329;--card-border:#dee0e3;--card-radius:12px;--card-shadow:0 1px 2px #1f232914;--card-padding:16px;--input-bg:#fff;--input-text:#1f2329;--input-border:#dee0e3;--input-radius:8px;--input-height:40px;--modal-bg:#fff;--modal-text:#1f2329;--modal-radius:12px;--modal-shadow:0 8px 24px #1f23291a;--modal-z-index:1100;--table-header-bg:#f7f8fa;--table-header-text:#8f959e;--table-border:#dee0e3;--table-cell-padding:12px;--toast-bg:#1f2329;--toast-text:#fff;--toast-radius:8px;--toast-z-index:1200}[data-theme=dark]{--color-content-primary:#f2f3f5;--color-surface-page:#111318;--color-surface-card:#1b1f27;--color-border-default:#343946;--scene-card-bg:#1b1f27;--scene-card-text:#f2f3f5;--scene-card-border:#343946;--card-bg:#1b1f27;--card-text:#f2f3f5;--card-border:#343946;--input-bg:#1b1f27;--input-text:#f2f3f5;--input-border:#343946;--modal-text:#f2f3f5;--table-header-bg:#111318;--table-border:#343946}[data-scene=wedding]{--scene-card-bg:#fff1f0;--scene-card-text:#cf1322;--scene-card-border:#ffccc7;--scene-accent-color:#cf1322}[data-scene=promotion]{--scene-card-bg:#fff7e6;--scene-card-text:#faad14;--scene-card-border:#ffd666;--scene-accent-color:#faad14}:root{--background:var(--color-surface-page);--surface:var(--color-surface-card);--surface-muted:var(--color-palette-gray-100);--text:var(--color-content-primary);--text-muted:var(--color-content-secondary);--primary:var(--color-status-danger);--primary-dark:var(--color-palette-red-600);--border:var(--color-border-default)}*{box-sizing:border-box}body{background:var(--background);color:var(--text);margin:0;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,PingFang SC,Microsoft YaHei,sans-serif;line-height:1.6}a{color:inherit;text-decoration:none}.site-nav{justify-content:space-between;align-items:center;gap:24px;width:min(1080px,100% - 48px);margin:0 auto;padding:22px 0;display:flex}.site-nav__brand{color:var(--primary);font-size:20px;font-weight:800}.site-nav__links{color:var(--text-muted);flex-wrap:wrap;justify-content:flex-end;gap:18px;font-size:15px;font-weight:700;display:flex}.site-nav__links a:hover{color:var(--primary)}.hero{place-items:center;min-height:76vh;padding:64px 24px;display:grid}.hero--compact{min-height:auto;padding:64px 24px 48px}.hero__content,.section{width:min(1080px,100%);margin:0 auto}.eyebrow{color:var(--primary);margin:0 0 16px;font-size:15px;font-weight:700}h1,h2,h3,p{margin-top:0}h1{margin-bottom:18px;font-size:clamp(44px,8vw,88px);line-height:1}h2{margin-bottom:12px;font-size:clamp(28px,4vw,42px);line-height:1.2}h3{margin-bottom:12px;font-size:22px;line-height:1.3}.lead{max-width:720px;color:var(--text-muted);margin-bottom:32px;font-size:22px}.definition{border-left:4px solid var(--primary);background:var(--surface);max-width:780px;color:var(--text);padding:18px 20px;font-size:18px;font-weight:700}.actions{flex-wrap:wrap;gap:14px;display:flex}.button{border-radius:8px;justify-content:center;align-items:center;min-height:48px;padding:0 22px;font-weight:700;display:inline-flex}.button--primary{background:var(--primary);color:#fff}.button--primary:hover{background:var(--primary-dark)}.button--secondary{border:1px solid var(--border);background:var(--surface)}.section{padding:72px 24px}.section--muted{background:var(--surface-muted);width:100%;max-width:none}.section--muted>*{width:min(1080px,100%);margin-left:auto;margin-right:auto}.section__header{max-width:760px;margin-bottom:32px}.section__header p,.card p,.cta p{color:var(--text-muted)}.feature-grid{grid-template-columns:repeat(4,minmax(0,1fr));gap:18px;display:grid}.feature-grid--three{grid-template-columns:repeat(3,minmax(0,1fr))}.card{border:1px solid var(--border);background:var(--surface);border-radius:8px;padding:22px}.scenario-list{gap:12px;margin:0;padding:0;list-style:none;display:grid}.scenario-list li{border-left:4px solid var(--primary);background:var(--surface);padding:14px 18px}.fact-list,.step-list{gap:12px;max-width:880px;margin:0;padding-left:24px;display:grid}.fact-list li,.step-list li{padding-left:6px}.fact-list li::marker{color:var(--primary);font-weight:800}.step-list li::marker{color:var(--primary);font-weight:800}.comparison{border:1px solid var(--border);background:var(--surface);border-radius:8px;overflow:hidden}.comparison__row{border-top:1px solid var(--border);grid-template-columns:.7fr 1.3fr 1.3fr;display:grid}.comparison__row:first-child{border-top:0}.comparison__row span{padding:16px}.comparison__row span+span{border-left:1px solid var(--border)}.comparison__row--head{background:var(--primary);color:#fff;font-weight:800}.faq-list{gap:14px;max-width:880px;display:grid}.faq-item{border-bottom:1px solid var(--border);padding-bottom:14px}.faq-item p{color:var(--text-muted)}.cta{text-align:center}.cta__header{margin-left:auto;margin-right:auto}.qr-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:18px;max-width:560px;margin:0 auto 24px;display:grid}.qr-card{border:1px solid var(--border);background:var(--surface);border-radius:8px;margin:0;padding:18px}.qr-card img{width:100%;max-width:220px;height:auto;margin:0 auto 12px;display:block}.qr-card figcaption{color:var(--text-muted);font-weight:700}.contact-line a{color:var(--primary);font-weight:700}@media (max-width:860px){.hero{min-height:70vh;padding-top:64px}.feature-grid,.feature-grid--three{grid-template-columns:repeat(2,minmax(0,1fr))}}@media (max-width:560px){.site-nav{width:min(100% - 32px,1080px);display:block}.site-nav__links{justify-content:flex-start;gap:12px;margin-top:14px}.feature-grid,.feature-grid--three{grid-template-columns:1fr}.comparison{background:0 0;border:0}.comparison__row,.comparison__row--head{border:1px solid var(--border);background:var(--surface);color:var(--text);border-radius:8px;margin-bottom:12px;display:block}.comparison__row--head{display:none}.comparison__row span{padding:12px 14px;display:block}.comparison__row span+span{border-top:1px solid var(--border);border-left:0}.qr-grid{grid-template-columns:1fr}.lead{font-size:18px}.button{width:100%}}