:root{--bg:#fff;--card:#f8fafc;--title:#0f172a;--body:#334155;--secondary:#64748b;--muted:#94a3b8;--border:#e2e8f0;--primary:#4f46e5;--primary-hover:#4338ca;--primary-light:#eef2ff;--primary-border:#c7d2fe;--success:#10b981;--success-light:#ecfdf5;--error:#ef4444;--error-light:#fef2f2;--source-bg:#f1f5f9;--source-border:#cbd5e1;--font-family:"PingFang SC","Microsoft YaHei",-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;font-family:var(--font-family);color:var(--body);background:var(--bg);line-height:1.7;font-weight:400}*{box-sizing:border-box}body{margin:0;min-width:320px;background:var(--bg)}button,input,textarea{font:inherit}.page{width:min(1200px,calc(100vw - 32px));margin:0 auto;padding:32px 0 48px}.hero,.meta-panel,.paragraph-panel,.upload-panel{background:var(--card);border:1px solid var(--border);border-radius:10px}.hero{padding:32px;display:flex;justify-content:space-between;gap:24px;align-items:flex-start}.hero-actions{display:flex;align-items:center;gap:10px;flex-wrap:wrap;justify-content:flex-end}.eyebrow{margin:0 0 8px;font-size:12px;font-weight:600;color:var(--secondary);letter-spacing:.06em;text-transform:uppercase}h1,h2{margin:0}.hero h1{font-size:28px;font-weight:600;letter-spacing:-.02em;color:var(--title)}.hero-text{margin:10px 0 0;max-width:720px;color:var(--secondary);font-size:15px}.ghost-button{border:1px solid var(--border);background:var(--card);color:var(--body);padding:8px 14px;border-radius:8px;cursor:pointer;font-weight:500;font-size:13px;transition:background .15s ease,border-color .15s ease,color .15s ease}.ghost-button:hover{background:var(--source-bg);border-color:var(--muted);color:var(--title)}.primary-cta{background:var(--primary);color:#fff;border:1px solid var(--primary);padding:8px 18px;border-radius:8px;cursor:pointer;font-weight:600;font-size:13px;transition:background .15s ease,border-color .15s ease}.primary-cta:hover{background:var(--primary-hover);border-color:var(--primary-hover)}.primary-cta:disabled{opacity:.5;cursor:not-allowed}.upload-panel{margin-top:20px;padding:28px}.file-input{display:none}.upload-box{display:flex;flex-direction:column;justify-content:center;align-items:center;gap:10px;min-height:200px;padding:32px 24px;border:1.5px dashed var(--border);border-radius:10px;background:var(--bg);cursor:pointer;text-align:center;transition:background .15s ease,border-color .15s ease}.upload-box:hover{background:var(--source-bg);border-color:var(--muted)}.upload-title{font-size:20px;font-weight:600;color:var(--title)}.upload-hint{color:var(--secondary);max-width:520px}.lang-selector{margin-top:16px;display:flex;align-items:center;flex-wrap:wrap;gap:8px;color:var(--secondary);font-size:14px}.lang-label{font-weight:600;color:var(--title);margin-right:4px}.lang-btn{-webkit-appearance:none;-moz-appearance:none;appearance:none;border:1px solid var(--border);background:var(--bg);color:var(--body);padding:6px 14px;border-radius:8px;font-size:13px;cursor:pointer;font-weight:500;transition:all .15s ease}.lang-btn:hover{border-color:var(--muted);color:var(--title)}.lang-btn.active{background:var(--primary);border-color:var(--primary);color:#fff;font-weight:600}.selected-file{display:flex;justify-content:space-between;gap:12px;background:var(--bg);color:var(--title)}.selected-file,.status-message{margin-top:16px;padding:14px 16px;border-radius:8px;border:1px solid var(--border)}.status-message{background:var(--source-bg);color:var(--body)}.error-message{border-radius:8px;border:1px solid var(--error);background:var(--error-light);color:var(--error)}.error-message,.warning-message{margin-top:16px;padding:14px 16px}.warning-message{border-radius:8px;background:#fffbeb;color:#92400e;border:1px solid #fde68a;font-size:14px;line-height:1.6}.warning-message strong{font-weight:600;color:#78350f}.content-layout{display:grid;grid-template-columns:280px minmax(0,1fr);grid-gap:20px;gap:20px;margin-top:20px;align-items:start}.meta-panel,.paragraph-panel{padding:24px}.meta-panel{position:-webkit-sticky;position:sticky;top:20px}.meta-panel h2{margin:0;font-size:18px;font-weight:600;color:var(--title)}.meta-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:16px;gap:12px}.danger-icon-btn{width:28px;height:28px;border-radius:8px;border:1px solid var(--border);background:var(--bg);color:var(--secondary);cursor:pointer;display:inline-flex;align-items:center;justify-content:center;transition:background .15s ease,color .15s ease,border-color .15s ease}.danger-icon-btn:hover{background:var(--error-light);color:var(--error);border-color:var(--error)}.warning-inline{margin-bottom:16px;padding:12px 14px;border-radius:8px;background:#fffbeb;color:#92400e;border:1px solid #fde68a;font-size:13px;line-height:1.6}.meta-item+.meta-item{margin-top:14px}.meta-label{display:block;font-size:12px;color:var(--secondary);margin-bottom:4px;letter-spacing:.04em;text-transform:uppercase}.meta-value{display:block;word-break:break-all;font-size:15px;color:var(--title)}.panel-header{display:flex;align-items:flex-start;justify-content:space-between;gap:12px;margin-bottom:16px}.panel-actions{display:flex;align-items:center;gap:10px}.count-badge{min-width:60px;padding:6px 12px;border-radius:8px;text-align:center;background:var(--source-bg);color:var(--body);font-weight:600;font-size:13px;border:1px solid var(--border)}.secondary-button,.text-button{border-radius:8px;cursor:pointer;font-size:13px;font-weight:500;transition:background .15s ease,color .15s ease,border-color .15s ease}.secondary-button{border:1px solid var(--border);background:var(--bg);color:var(--body);padding:8px 14px}.secondary-button:hover,.text-button:hover{background:var(--source-bg);border-color:var(--muted);color:var(--title)}.secondary-button.danger{border-color:var(--error);color:var(--error);background:var(--error-light)}.secondary-button.danger:hover{background:var(--error);color:#fff}.text-button{border:1px solid var(--border);background:var(--bg);color:var(--secondary);padding:8px 12px}.danger-button{color:var(--error);border-color:var(--error)}.danger-button:hover{background:var(--error-light)}.paragraph-card{padding:0;border-radius:10px;border:1px solid var(--border);background:var(--card);overflow:hidden;transition:border-color .15s ease}.paragraph-card+.paragraph-card{margin-top:12px}.paragraph-card.heading{border-color:var(--muted)}.paragraph-card.heading .paragraph-top{background:var(--source-bg)}.paragraph-card:hover{border-color:var(--muted)}.paragraph-top{display:flex;justify-content:space-between;gap:12px;padding:12px 20px;color:var(--secondary);font-size:12px;letter-spacing:.03em;background:var(--card);border-bottom:1px solid var(--border)}.paragraph-id{font-weight:700;color:var(--title)}.paragraph-text{margin:0;white-space:pre-wrap;word-break:break-word;color:var(--body);font-size:15px;line-height:1.7}.paragraph-editor{width:100%;padding:14px 16px;border:1px solid var(--border);border-radius:8px;background:var(--bg);color:var(--body);resize:vertical;min-height:120px;line-height:1.7}.paragraph-editor:focus{outline:none;border-color:var(--primary);box-shadow:0 0 0 3px rgba(79,70,229,.1)}.paragraph-actions{display:flex;flex-wrap:wrap;gap:8px;padding:12px 20px;margin-top:0;border-top:1px solid var(--border);background:var(--card)}@media (max-width:960px){.content-layout{grid-template-columns:1fr}.meta-panel{position:static}.hero,.panel-header{flex-direction:column}}.compare-card{overflow:hidden}.compare-layout{display:grid;grid-template-columns:1fr 1px 1fr;grid-gap:0;gap:0}.compare-column{padding:20px;min-width:0}.left-column{background:var(--source-bg);border-left:3px solid var(--source-border)}.right-column{background:var(--primary-light);border-left:3px solid var(--primary)}.compare-divider{background:var(--border);width:1px}.column-label{font-size:11px;font-weight:600;letter-spacing:.06em;text-transform:uppercase;margin-bottom:12px;padding-bottom:8px;border-bottom:1px solid var(--border)}.left-column .column-label{color:var(--secondary)}.right-column .column-label{color:var(--primary)}.compare-textarea{width:100%;padding:12px 14px;border:1px solid var(--border);border-radius:8px;background:var(--bg);color:var(--body);resize:vertical;min-height:120px;font-size:15px;transition:border-color .15s ease,box-shadow .15s ease}.compare-textarea:focus{outline:none;border-color:var(--primary);box-shadow:0 0 0 3px rgba(79,70,229,.1)}.compare-textarea::placeholder{color:var(--muted);font-size:13px}.export-button{padding:8px 16px;font-size:13px}.export-button:disabled{opacity:.5;cursor:not-allowed}.compare-card .paragraph-top{padding:12px 20px;margin-bottom:0;background:var(--card);border-bottom:1px solid var(--border)}.compare-card .paragraph-actions{padding:12px 20px;margin-top:0;border-top:1px solid var(--border);background:var(--card)}.compare-card.heading .left-column{background:#e8ecf1}.compare-card.heading .right-column{background:#e0e7ff}@media (max-width:960px){.compare-layout{grid-template-columns:1fr}.compare-divider{height:1px;width:100%}.compare-column{padding:16px}}@media (max-width:640px){.page{width:min(100vw - 20px,1200px);padding-top:20px}.hero,.meta-panel,.paragraph-panel,.upload-panel{border-radius:8px;padding:16px}.hero h1{font-size:22px}.upload-title{font-size:17px}.compare-column{padding:14px}.compare-textarea{min-height:100px}}.floating-scroll-buttons{position:fixed;right:24px;bottom:32px;display:flex;flex-direction:column;gap:8px;z-index:100}.floating-btn{width:40px;height:40px;border-radius:10px;border:1px solid var(--border);background:var(--bg);color:var(--body);cursor:pointer;display:flex;align-items:center;justify-content:center;box-shadow:0 2px 8px rgba(0,0,0,.06);transition:all .15s ease}.floating-btn:hover{background:var(--source-bg);border-color:var(--muted);color:var(--title)}.floating-btn:active{transform:translateY(0)}@media (max-width:640px){.floating-scroll-buttons{right:16px;bottom:24px;gap:6px}.floating-btn{width:36px;height:36px}}.translate-toolbar{justify-content:space-between;gap:12px;padding:12px 16px;margin-bottom:16px;border-radius:10px;border:1px solid var(--border);background:var(--card)}.translate-lang-group,.translate-toolbar{display:flex;align-items:center;flex-wrap:wrap}.translate-lang-group{gap:8px}.translate-label{font-size:13px;font-weight:600;color:var(--title);letter-spacing:.02em}.lang-select{-webkit-appearance:none;-moz-appearance:none;appearance:none;border:1px solid var(--border);background:var(--bg);color:var(--body);padding:6px 30px 6px 12px;border-radius:8px;font-size:13px;font-weight:500;cursor:pointer;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%2364748B' stroke-width='2.5' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");background-repeat:no-repeat;background-position:right 10px center;background-size:12px;transition:border-color .15s ease,box-shadow .15s ease}.lang-select:hover{border-color:var(--muted)}.lang-select:focus{outline:none;border-color:var(--primary);box-shadow:0 0 0 3px rgba(79,70,229,.1)}.lang-select:disabled{opacity:.5;cursor:not-allowed}.swap-lang-btn{width:30px;height:30px;border-radius:8px;border:1px solid var(--border);background:var(--bg);color:var(--secondary);cursor:pointer;display:inline-flex;align-items:center;justify-content:center;transition:all .15s ease;flex-shrink:0}.swap-lang-btn:hover:not(:disabled){border-color:var(--muted);color:var(--title);background:var(--source-bg)}.swap-lang-btn:disabled{opacity:.4;cursor:not-allowed}.arrow-icon{flex-shrink:0;color:var(--muted)}.translate-btn-group{display:flex;align-items:center;gap:8px;flex-wrap:wrap}.translate-all-btn{padding:8px 14px;font-weight:600}.translate-all-btn:disabled,.translate-one-btn:disabled{opacity:.5;cursor:not-allowed}.translate-one-btn{border-color:var(--border);color:var(--secondary);font-weight:500}@media (max-width:960px){.translate-toolbar{flex-direction:column;align-items:stretch}.translate-btn-group{justify-content:flex-start}}@media (max-width:640px){.translate-lang-group{gap:6px}.translate-label{width:100%;margin-bottom:4px}.lang-select{flex:1 1;min-width:0;padding:6px 26px 6px 10px;font-size:12px}.swap-lang-btn{width:28px;height:28px}.translate-btn-group{width:100%}.translate-btn-group .ghost-button,.translate-btn-group .secondary-button{flex:1 1;font-size:12px;padding:8px 10px}}.json-import-label{display:inline-block;padding:8px 14px;font-size:13px;-webkit-user-select:none;-moz-user-select:none;user-select:none}.paragraph-text-wrapper{width:100%;padding:12px 14px;border:1px solid var(--border);border-radius:8px;background:var(--bg);min-height:120px;line-height:1.7;font-size:15px;box-sizing:border-box}.paragraph-text-wrapper .paragraph-text{min-height:72px}.compare-textarea{overflow:hidden;line-height:1.7}.paragraph-editor.compare-textarea{background:var(--bg)}.translate-progress-bar{margin:0 0 16px;padding:12px 16px;border-radius:10px;border:1px solid var(--border);background:var(--card)}.translate-progress-info{display:flex;justify-content:space-between;align-items:center;margin-bottom:8px;font-size:13px;font-weight:600;color:var(--body)}.translate-progress-track{height:6px;width:100%;background:var(--source-bg);border-radius:999px;overflow:hidden}.translate-progress-fill{height:100%;background:var(--primary);border-radius:999px;transition:width .25s ease}.dropdown-menu{min-width:200px;padding:6px;background:var(--bg);border:1px solid var(--border);border-radius:10px;box-shadow:0 8px 24px rgba(0,0,0,.08);display:flex;flex-direction:column;gap:2px}.dropdown-menu button{-webkit-appearance:none;-moz-appearance:none;appearance:none;border:none;background:transparent;color:var(--body);text-align:left;padding:9px 12px;border-radius:8px;font-size:13px;cursor:pointer;font-weight:500;transition:background .15s ease,color .15s ease}.dropdown-menu button:hover{background:var(--source-bg);color:var(--title)}.dropdown-group{display:flex;flex-direction:column;gap:2px}.dropdown-title{font-size:11px;font-weight:600;color:var(--secondary);letter-spacing:.04em;text-transform:uppercase;padding:8px 12px 4px}@media (max-width:960px){.translate-progress-bar{padding:10px 14px}.paragraph-text-wrapper{min-height:100px;padding:10px 12px}}.json-import-label.disabled,.upload-box.disabled{opacity:.5;cursor:not-allowed;pointer-events:none}.meta-editable{width:100%;display:flex;flex-direction:column;gap:8px}.name-edit-input{width:100%;padding:7px 10px;border:1px solid var(--border);border-radius:8px;font-size:14px;font-weight:700;color:var(--title);background:var(--bg);box-sizing:border-box}.name-edit-input:focus{outline:none;border-color:var(--primary);box-shadow:0 0 0 3px rgba(79,70,229,.1)}.meta-edit-actions{display:flex;gap:4px;justify-content:flex-end}.editable-name{cursor:pointer;position:relative;padding-right:18px;word-break:break-all}.editable-name:hover{color:var(--primary)}.editable-name .edit-hint{position:absolute;right:0;top:50%;transform:translateY(-50%);font-size:12px;color:var(--muted);font-weight:400}.failed-badge{display:inline-block;margin-left:6px;padding:1px 8px;font-size:11px;font-weight:700;color:var(--error);background:var(--error-light);border:1px solid #fecaca;border-radius:999px}.paragraph-card.failed{border-color:#fecaca;box-shadow:0 0 0 3px rgba(239,68,68,.08)}.paragraph-card.flash-failed{animation:flashFailed 1.6s ease-in-out 0s 1 normal}@keyframes flashFailed{0%,to{box-shadow:0 0 0 3px rgba(239,68,68,.08)}18%{box-shadow:0 0 0 6px rgba(239,68,68,.2);border-color:var(--error)}36%{box-shadow:0 0 0 10px rgba(239,68,68,.1);border-color:var(--error)}54%{box-shadow:0 0 0 6px rgba(239,68,68,.2);border-color:var(--error)}72%{box-shadow:0 0 0 3px rgba(239,68,68,.1);border-color:#fecaca}}.failed-nav-btn{border-color:var(--error)!important;color:var(--error)!important;background:var(--error-light)!important}.failed-nav-btn:hover:not(:disabled){background:#fecaca!important;border-color:#dc2626!important}.paragraph-card.locked{opacity:.82;pointer-events:none}.paragraph-card.locked button,.paragraph-card.locked textarea{pointer-events:none}.secondary-button.warning{border-color:#f59e0b;color:#92400e;background:#fffbeb}.secondary-button.warning:hover:not(:disabled){background:#fef3c7}.secondary-button.warning:disabled{opacity:.55;cursor:not-allowed}.app-shell{min-height:100vh;display:flex;flex-direction:column}.site-header{position:-webkit-sticky;position:sticky;top:0;z-index:50;background:hsla(0,0%,100%,.92);-webkit-backdrop-filter:saturate(180%) blur(10px);backdrop-filter:saturate(180%) blur(10px);border-bottom:1px solid var(--border)}.header-inner{width:min(1200px,calc(100vw - 32px));margin:0 auto;padding:12px 0;display:grid;grid-template-columns:minmax(0,1fr) auto minmax(0,1fr);align-items:center;grid-gap:20px;gap:20px}.brand{gap:10px;flex-shrink:0;min-width:0;justify-self:start}.brand,.brand-mark{display:flex;align-items:center}.brand-mark{width:36px;height:36px;border-radius:8px;background:var(--title);color:#fff;justify-content:center;font-weight:800;font-size:13px;letter-spacing:.02em;font-family:Helvetica Neue,Arial,sans-serif}.brand-text{display:flex;flex-direction:column;gap:1px;line-height:1.2}.brand-title{font-size:15px;font-weight:700;color:var(--title);letter-spacing:-.01em}.brand-sub{font-size:11px;color:var(--secondary);letter-spacing:.02em}.primary-nav{gap:0;padding:3px;border:1px solid var(--border);border-radius:8px;background:var(--card);flex-wrap:nowrap;justify-self:center;justify-content:center;overflow-x:auto}.nav-tab,.primary-nav{display:inline-flex;align-items:center}.nav-tab{-webkit-appearance:none;-moz-appearance:none;appearance:none;border:none;background:transparent;color:var(--secondary);padding:6px 14px 6px 10px;border-radius:6px;font-size:13px;cursor:pointer;gap:6px;font-weight:500;transition:background .15s ease,color .15s ease;white-space:nowrap}.nav-tab:hover{color:var(--title);background:var(--source-bg)}.nav-tab.active{background:var(--primary);color:#fff;font-weight:600}.nav-tab.active:hover{background:var(--primary-hover)}.nav-priority{display:inline-flex;align-items:center;justify-content:center;min-width:20px;height:18px;padding:0 5px;border-radius:6px;font-size:10px;font-weight:700;letter-spacing:.02em;line-height:1;transition:background .15s ease,color .15s ease}.nav-tab.p-P1 .nav-priority{background:var(--source-bg);color:var(--body)}.nav-tab.p-P2 .nav-priority{background:transparent;color:var(--muted)}.nav-tab.active.p-P1 .nav-priority{background:hsla(0,0%,100%,.2);color:#fff}.nav-tab.active.p-P2 .nav-priority{background:hsla(0,0%,100%,.15);color:#fff}.nav-label{line-height:1}.entry-illustration{display:flex;gap:20px;align-items:flex-start;padding:8px 4px 16px}.entry-icon{flex-shrink:0;width:56px;height:56px;border-radius:10px;background:var(--source-bg);border:1px solid var(--border);color:var(--secondary);display:flex;align-items:center;justify-content:center}.entry-icon.import-icon{background:var(--card)}.entry-body{flex:1 1;min-width:0}.entry-title{margin:2px 0 6px;font-size:17px;font-weight:600;color:var(--title);letter-spacing:-.01em}.entry-text{margin:0;color:var(--secondary);font-size:14px;line-height:1.7}.entry-features{display:flex;flex-wrap:wrap;gap:8px;margin-top:12px}.entry-chip{display:inline-flex;align-items:center;padding:4px 10px;border-radius:8px;background:var(--source-bg);border:1px solid var(--border);color:var(--body);font-size:12px;font-weight:500}.compact-upload{margin-top:4px;min-height:120px;padding:24px}@media (max-width:960px){.header-inner{grid-template-columns:minmax(0,1fr) auto;grid-template-rows:auto auto;gap:10px;padding:10px 0}.brand{grid-column:1;grid-row:1}.lang-switcher{grid-column:2;grid-row:1}.primary-nav{grid-column:1/span 2;grid-row:2;width:100%;justify-self:stretch}.nav-tab{flex-shrink:0}.entry-illustration{flex-direction:column;gap:12px}}.lang-switcher{position:relative;flex-shrink:0;justify-self:end;min-width:0;margin-left:0}.lang-switcher-btn{-webkit-appearance:none;-moz-appearance:none;appearance:none;border:1px solid var(--border);background:var(--bg);color:var(--body);padding:6px 10px;border-radius:8px;font-size:13px;font-weight:600;cursor:pointer;display:inline-flex;align-items:center;gap:6px;transition:background .15s ease,border-color .15s ease,color .15s ease}.lang-switcher-btn:hover{border-color:var(--muted);color:var(--title);background:var(--source-bg)}.lang-switcher-label{min-width:0;line-height:1}.lang-menu{position:absolute;top:calc(100% + 6px);right:0;min-width:200px;background:var(--bg);border:1px solid var(--border);border-radius:10px;padding:6px;box-shadow:0 8px 24px rgba(0,0,0,.1);z-index:999}.lang-menu-item{width:100%;-webkit-appearance:none;-moz-appearance:none;appearance:none;border:none;background:transparent;padding:9px 12px;border-radius:8px;display:flex;align-items:center;gap:10px;font-size:14px;cursor:pointer;text-align:left;color:var(--body);transition:background .15s ease}.lang-menu-item:hover{background:var(--source-bg)}.lang-menu-item.active{background:var(--primary);color:#fff;font-weight:600}.lang-menu-code{font-size:11px;font-weight:700;letter-spacing:.04em;color:var(--secondary);width:44px;flex-shrink:0}.lang-menu-item.active .lang-menu-code{color:hsla(0,0%,100%,.75)}.lang-menu-name{flex:1 1}@media (max-width:960px){.lang-switcher{margin-left:0;align-self:center;justify-self:end}}@media (max-width:640px){.translate-progress-info{font-size:12px}.hero-actions{width:100%}.json-import-label{padding:8px 12px;font-size:12px}.header-inner{width:min(100vw - 20px,1200px)}.brand-mark{width:32px;height:32px;font-size:12px}.page{padding-top:16px}}.intro-card{background:var(--card);border:1px solid var(--border);border-radius:10px;padding:24px 28px;display:flex;gap:20px;align-items:flex-start;margin-bottom:20px}.intro-card.common-tip{background:var(--source-bg);border-color:var(--border);margin-top:20px;margin-bottom:0}.intro-icon{flex-shrink:0;width:48px;height:48px;border-radius:10px;background:var(--source-bg);border:1px solid var(--border);display:flex;align-items:center;justify-content:center;font-size:24px;line-height:1}.intro-card.common-tip .intro-icon{width:40px;height:40px;border-radius:8px;background:var(--card);font-size:20px}.intro-body{flex:1 1;min-width:0}.intro-title{margin:2px 0 6px;font-size:18px;font-weight:700;color:var(--title);letter-spacing:-.01em}.intro-fit{margin:0 0 6px;font-size:13px;color:var(--body);line-height:1.6}.intro-desc{margin:0;color:var(--secondary);font-size:14px;line-height:1.7}.intro-card.common-tip .intro-desc{margin:0;font-size:13px;color:var(--body)}@media (max-width:640px){.intro-card{border-radius:8px;padding:16px;gap:14px;flex-direction:column}.intro-icon{width:44px;height:44px;border-radius:8px;font-size:22px}.intro-card.common-tip .intro-icon{width:36px;height:36px;font-size:18px}.intro-title{font-size:16px}.intro-fit{font-size:12px}.intro-desc{font-size:13px}}.feature-pagination{display:grid;grid-template-columns:1fr 1fr;grid-gap:12px;gap:12px;margin:32px auto 0;width:min(1200px,calc(100vw - 32px))}.feature-nav-btn{display:flex;align-items:center;gap:14px;padding:16px 18px;border:1px solid var(--border);border-radius:10px;background:var(--bg);color:var(--body);cursor:pointer;text-align:left;transition:border-color .15s ease,background .15s ease}.feature-nav-btn:hover{border-color:var(--primary-border);background:var(--primary-light)}.feature-nav-btn.next-btn{flex-direction:row-reverse;text-align:right;justify-content:flex-end}.feature-nav-btn svg{flex:0 0 auto;color:var(--muted)}.feature-nav-text{display:flex;flex-direction:column;gap:3px;min-width:0}.feature-nav-text.right{align-items:flex-end}.feature-nav-hint{font-size:12px;color:var(--secondary);letter-spacing:.03em}.feature-nav-label{font-size:15px;font-weight:600;color:var(--title)}@media (max-width:720px){.feature-pagination{grid-template-columns:1fr;gap:10px}.feature-nav-btn.next-btn{flex-direction:row;text-align:left;justify-content:flex-start}.feature-nav-text.right{align-items:flex-start}}.locale-suggest-banner{position:-webkit-sticky;position:sticky;top:0;z-index:60;background:var(--title);color:#f1f5f9;border-bottom:1px solid #1e293b;width:100%}.locale-suggest-banner .banner-inner{max-width:1180px;margin:0 auto;padding:10px 18px;display:flex;align-items:center;gap:14px}.locale-suggest-banner .banner-icon{flex:0 0 auto;width:30px;height:30px;border-radius:8px;background:hsla(0,0%,100%,.08);display:flex;align-items:center;justify-content:center;color:var(--muted)}.locale-suggest-banner .banner-body{flex:1 1 auto;min-width:0}.locale-suggest-banner .banner-title{margin:0;font-size:14px;font-weight:700;letter-spacing:.01em;line-height:1.4}.locale-suggest-banner .banner-desc{margin:2px 0 0;font-size:12px;line-height:1.5;color:var(--muted)}.locale-suggest-banner .banner-actions{flex:0 0 auto;display:flex;align-items:center;gap:8px}.locale-suggest-banner .banner-switch-btn{display:inline-flex;align-items:center;justify-content:center;padding:6px 14px;border-radius:8px;background:var(--source-bg);color:var(--title);text-decoration:none;font-size:13px;font-weight:700;line-height:1.2;transition:background .15s ease,transform .05s ease}.locale-suggest-banner .banner-switch-btn:hover{background:#fff}.locale-suggest-banner .banner-switch-btn:active{transform:translateY(1px)}.locale-suggest-banner .banner-keep-btn{display:inline-flex;align-items:center;justify-content:center;padding:6px 12px;border-radius:8px;background:transparent;color:var(--muted);border:1px solid hsla(0,0%,100%,.15);font-size:13px;font-weight:600;cursor:pointer;line-height:1.2;transition:color .15s ease,border-color .15s ease}.locale-suggest-banner .banner-keep-btn:hover{color:#fff;border-color:hsla(0,0%,100%,.3)}.locale-suggest-banner .banner-close-btn{display:inline-flex;align-items:center;justify-content:center;width:28px;height:28px;padding:0;border-radius:8px;background:transparent;color:var(--muted);border:0;cursor:pointer}.locale-suggest-banner .banner-close-btn:hover{background:hsla(0,0%,100%,.08);color:#fff}@media (max-width:720px){.locale-suggest-banner .banner-inner{padding:10px 14px;flex-wrap:wrap;gap:10px}.locale-suggest-banner .banner-body{flex:1 1 100%}.locale-suggest-banner .banner-actions{width:100%;justify-content:flex-start}.locale-suggest-banner .banner-keep-btn,.locale-suggest-banner .banner-switch-btn{flex:1 1 auto}}.guestbook{width:100%;background:var(--source-bg);border-top:1px solid var(--border);margin-top:32px;padding:40px 0 56px}.app-footer{width:100%}.guestbook .gb-wrap{max-width:1080px;margin:0 auto;padding:0 20px}.guestbook .gb-head{display:flex;align-items:flex-end;justify-content:space-between;gap:16px;flex-wrap:wrap;margin-bottom:20px}.guestbook .gb-title{margin:0 0 4px;font-size:20px;font-weight:700;letter-spacing:-.01em;color:var(--title)}.guestbook .gb-sub{margin:0;color:var(--secondary);font-size:13px;line-height:1.6;max-width:640px}.guestbook .gb-filter{display:inline-flex;background:var(--bg);border:1px solid var(--border);border-radius:8px;padding:3px}.guestbook .gb-filter-btn{border:0;background:transparent;cursor:pointer;padding:6px 14px;font-size:12px;font-weight:600;color:var(--secondary);border-radius:6px;transition:color .15s ease,background .15s ease}.guestbook .gb-filter-btn.active{background:var(--primary);color:#fff}.guestbook .gb-form{background:var(--bg);border:1px solid var(--border);border-radius:10px;padding:18px;margin-bottom:24px;display:flex;flex-direction:column;gap:12px}.guestbook .gb-form-row,.guestbook .gb-form-row-2{display:flex;align-items:center;justify-content:space-between;gap:12px;flex-wrap:wrap}.guestbook .gb-name-input{flex:1 1 240px;min-width:0;padding:9px 14px;border-radius:8px;border:1px solid var(--border);background:var(--bg);font-size:14px;color:var(--body);outline:none;transition:border-color .15s ease,box-shadow .15s ease}.guestbook .gb-name-input:focus{border-color:var(--primary);box-shadow:0 0 0 3px rgba(79,70,229,.1)}.guestbook .gb-charcount{font-size:12px;color:var(--secondary);font-feature-settings:"tnum";font-variant-numeric:tabular-nums}.guestbook .gb-charcount.warn{color:var(--error)}.guestbook .gb-content-textarea{width:100%;resize:vertical;min-height:100px;padding:12px 14px;border-radius:8px;border:1px solid var(--border);background:var(--bg);font-size:14px;line-height:1.7;color:var(--body);outline:none;transition:border-color .15s ease,box-shadow .15s ease;font-family:inherit}.guestbook .gb-content-textarea:focus{border-color:var(--primary);box-shadow:0 0 0 3px rgba(79,70,229,.1)}.guestbook .gb-attach{flex:1 1 auto;display:inline-flex;align-items:center;gap:10px;flex-wrap:wrap}.guestbook .gb-attach-label{display:inline-flex;align-items:center;gap:8px;padding:8px 12px;border-radius:8px;background:var(--source-bg);border:1px dashed var(--muted);color:var(--body);font-size:13px;font-weight:600;cursor:pointer}.guestbook .gb-attach-label:hover{background:var(--border)}.guestbook .gb-attach-remove{border:0;background:transparent;color:var(--secondary);cursor:pointer;text-decoration:underline;font-size:13px}.guestbook .gb-submit-btn{flex:0 0 auto;padding:9px 18px;border-radius:8px;border:0;background:var(--primary);color:#fff;font-size:13px;font-weight:600;cursor:pointer;transition:background .15s ease,transform .05s ease,opacity .15s ease}.guestbook .gb-submit-btn:hover{background:var(--primary-hover)}.guestbook .gb-submit-btn:active{transform:translateY(1px)}.guestbook .gb-submit-btn:disabled{opacity:.6;cursor:not-allowed}.guestbook .gb-image-preview{border-radius:8px;border:1px solid var(--border);overflow:hidden;background:var(--source-bg);max-width:320px}.guestbook .gb-image-preview img{width:100%;height:auto;display:block}.guestbook .gb-error{margin:0;color:var(--error);font-size:13px;font-weight:600}.guestbook .gb-list{display:flex;flex-direction:column;gap:12px}.guestbook .gb-entry{background:var(--bg);border:1px solid var(--border);border-radius:10px;padding:16px 18px}.guestbook .gb-entry-head{display:flex;align-items:center;gap:10px;flex-wrap:wrap;margin-bottom:8px}.guestbook .gb-entry-name{font-weight:700;color:var(--title);font-size:14px}.guestbook .gb-entry-locale{display:inline-flex;align-items:center;padding:2px 8px;border-radius:6px;background:var(--source-bg);color:var(--secondary);font-size:11px;font-weight:700;letter-spacing:.02em}.guestbook .gb-entry-time{margin-left:auto;color:var(--secondary);font-size:12px;font-feature-settings:"tnum";font-variant-numeric:tabular-nums}.guestbook .gb-entry-image{margin:8px 0;padding:0}.guestbook .gb-entry-image a{display:inline-block;max-width:320px;border-radius:8px;overflow:hidden;border:1px solid var(--border)}.guestbook .gb-entry-image img{display:block;max-width:100%;height:auto}.guestbook .gb-entry-content{margin:0;color:var(--body);font-size:14px;line-height:1.7;white-space:pre-wrap;word-break:break-word}.guestbook .gb-empty{padding:24px;text-align:center;color:var(--secondary);font-size:13px;border:1px dashed var(--border);border-radius:10px;background:var(--bg)}.guestbook .gb-loadmore-wrap{display:flex;justify-content:center;margin-top:4px}.guestbook .gb-loadmore-btn{padding:8px 20px;border-radius:8px;border:1px solid var(--border);background:var(--bg);color:var(--body);font-size:13px;font-weight:600;cursor:pointer}.guestbook .gb-loadmore-btn:hover{background:var(--source-bg)}@media (max-width:720px){.guestbook .gb-title{font-size:18px}.guestbook{padding:32px 0 40px}.guestbook .gb-entry-time{margin-left:0;width:100%}}.pt-shell{min-height:100vh;display:flex;flex-direction:column}.pt-main{flex:1 1;width:min(860px,calc(100vw - 32px));margin:0 auto;padding:40px 0 72px}.pt-hero{text-align:center;padding:48px 28px;border:1px solid var(--primary-border);border-radius:14px;background:linear-gradient(180deg,var(--primary-light),var(--card))}.pt-hero .eyebrow{color:var(--primary)}.pt-hero h1{margin:0 auto;max-width:680px;font-size:clamp(26px,4.5vw,38px);font-weight:700;line-height:1.25;letter-spacing:-.02em;color:var(--title)}.pt-hero-lead{margin:16px auto 0;max-width:640px;font-size:16px;color:var(--body)}.pt-hero-actions{margin-top:24px;display:flex;justify-content:center;flex-wrap:wrap;gap:10px}.pt-cta-actions a,.pt-hero-actions a{display:inline-block;text-decoration:none}.pt-section{margin-top:56px;scroll-margin-top:72px}.pt-h2{margin:0;font-size:24px;font-weight:700;letter-spacing:-.01em;color:var(--title)}.pt-p{margin:12px 0 0;font-size:15px;color:var(--body)}.pt-link{color:var(--primary);text-decoration:underline;-webkit-text-decoration-color:var(--primary-border);text-decoration-color:var(--primary-border);text-underline-offset:3px}.pt-link:hover{color:var(--primary-hover)}.pt-steps{margin-top:24px;display:grid;grid-template-columns:repeat(2,1fr);grid-gap:16px;gap:16px}.pt-step{background:var(--card);border:1px solid var(--border);border-radius:10px;padding:20px}.pt-step-no{width:28px;height:28px;display:flex;align-items:center;justify-content:center;border-radius:8px;background:var(--primary-light);border:1px solid var(--primary-border);color:var(--primary);font-size:13px;font-weight:700}.pt-step h3{margin:12px 0 0;font-size:16px;font-weight:600;color:var(--title)}.pt-step p{margin:8px 0 0;font-size:14px;color:var(--secondary)}.pt-demo{margin-top:24px;border:1px solid var(--border);border-radius:10px;overflow:hidden;background:var(--bg)}.pt-demo-head{display:grid;grid-template-columns:1fr 1fr;background:var(--title);color:#fff}.pt-demo-head span{padding:10px 16px;font-size:12px;font-weight:600;letter-spacing:.04em;text-transform:uppercase}.pt-demo-row{display:grid;grid-template-columns:1fr 1fr}.pt-demo-row+.pt-demo-row{border-top:1px solid var(--border)}.pt-demo-cell{padding:14px 16px;font-size:14px;line-height:1.75;color:var(--body)}.pt-demo-cell.src{background:var(--source-bg);border-right:1px solid var(--border)}.pt-grid{margin-top:24px;display:grid;grid-template-columns:repeat(2,1fr);grid-gap:16px;gap:16px}.pt-card{background:var(--card);border:1px solid var(--border);border-radius:10px;padding:20px}.pt-card h3{margin:0;font-size:15px;font-weight:600;color:var(--title)}.pt-card p{margin:8px 0 0;font-size:14px;color:var(--secondary)}.pt-table{margin-top:20px;width:100%;border-collapse:collapse;background:var(--card);border:1px solid var(--border);border-radius:10px;overflow:hidden;font-size:14px}.pt-table td,.pt-table th{padding:12px 16px;text-align:left;border-bottom:1px solid var(--border)}.pt-table thead th{background:var(--source-bg);color:var(--title);font-size:13px;text-transform:uppercase;letter-spacing:.04em}.pt-table tbody tr:last-child td{border-bottom:none}.pt-table td:first-child{white-space:nowrap;color:var(--title);font-weight:600}.pt-faq{margin-top:24px;display:grid;grid-gap:12px;gap:12px}.pt-faq details{background:var(--card);border:1px solid var(--border);border-radius:10px;padding:16px 20px}.pt-faq summary{display:flex;align-items:center;justify-content:space-between;gap:12px;cursor:pointer;list-style:none;font-size:15px;font-weight:600;color:var(--title)}.pt-faq summary::-webkit-details-marker{display:none}.pt-faq summary:after{content:"+";flex-shrink:0;color:var(--primary);font-size:18px;font-weight:600}.pt-faq details[open] summary:after{content:"−"}.pt-faq details p{margin:10px 0 0;font-size:14px;color:var(--body)}.pt-cta{margin-top:56px;text-align:center;padding:40px 24px;border:1px solid var(--primary-border);border-radius:14px;background:var(--primary-light)}.pt-cta h2{margin:0;font-size:24px;font-weight:700;letter-spacing:-.01em;color:var(--title)}.pt-cta p{margin:10px auto 0;max-width:540px;font-size:15px;color:var(--secondary)}.pt-cta-actions{margin-top:20px}.pt-footer{border-top:1px solid var(--border);background:var(--card)}.pt-footer-inner{width:min(860px,calc(100vw - 32px));margin:0 auto;padding:24px 0 32px}.pt-footer-links{display:flex;flex-wrap:wrap;gap:8px 18px;font-size:13px}.pt-footer-links a{color:var(--secondary);text-decoration:none}.pt-footer-links a:hover{color:var(--primary)}.pt-copy{margin:12px 0 0;font-size:12px;color:var(--muted)}@media (max-width:960px){.pt-grid,.pt-steps{grid-template-columns:1fr}}@media (max-width:640px){.pt-main{padding-top:24px}.pt-hero{padding:32px 20px}.pt-section{margin-top:44px}.pt-demo-cell{padding:10px 12px;font-size:13px}.pt-demo-head span{padding:8px 12px;font-size:11px}.pt-table td:first-child{white-space:normal;width:96px}}