:root{color-scheme:light;--color-bg: #f6f8fb;--color-card: #ffffff;--color-text: #1f2733;--color-subtle: #556070;--color-border: #d6dfeb;--color-primary: #0a66c2;--color-primary-soft: #e7f2ff;--color-danger-soft: #fff4e8;--shadow-card: 0 8px 28px rgba(16, 36, 67, .08)}*{box-sizing:border-box}body{margin:0;font-family:PingFang SC,Microsoft YaHei,Noto Sans SC,sans-serif;color:var(--color-text);background:radial-gradient(1200px 600px at 15% -10%,rgba(10,102,194,.18),transparent 60%),radial-gradient(900px 500px at 90% 0%,rgba(27,190,170,.14),transparent 65%),radial-gradient(700px 520px at 80% 90%,rgba(245,166,35,.12),transparent 60%),var(--color-bg);line-height:1.6}a{color:var(--color-primary);text-decoration:none}a:hover{text-decoration:underline}.site-header{border-bottom:1px solid var(--color-border);background:#ffffffdb;-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);position:sticky;top:0;z-index:10}.site-container{width:min(1080px,calc(100% - 32px));margin:0 auto}.site-header__inner{min-height:62px;display:flex;align-items:center;justify-content:space-between;gap:16px}.site-logo{margin:0;font-size:18px;font-weight:700;letter-spacing:.4px;color:var(--color-text);text-decoration:none}.site-logo:hover{text-decoration:none}.site-nav{display:flex;flex-wrap:wrap;gap:12px}.site-nav__link{padding:6px 10px;border-radius:999px;color:var(--color-subtle);text-decoration:none;border:1px solid transparent}.site-nav__link:hover{text-decoration:none;background:#0a66c214;border-color:#0a66c229}.site-nav__link--active{color:var(--color-text);background:var(--color-primary-soft);border-color:#0a66c22e}.site-main{padding:24px 0 40px}.section-title{margin:0 0 14px;font-size:24px}.section-subtitle{margin:0 0 22px;color:var(--color-subtle)}.hero-card,.list-card,.tool-shell,.policy-card,.about-card{background:var(--color-card);border:1px solid var(--color-border);border-radius:14px;box-shadow:var(--shadow-card)}.hero-card{padding:24px;margin-bottom:18px;display:grid;grid-template-columns:minmax(0,1.8fr) minmax(0,1fr);gap:16px;overflow:hidden}.hero-card__title{margin:0 0 10px;font-size:32px;line-height:1.12;letter-spacing:-.2px}.hero-card__subtitle{margin:0 0 18px;color:var(--color-subtle)}.hero-card__filters{display:grid;grid-template-columns:1.2fr .8fr;gap:12px;align-items:end}.field{display:grid;gap:8px}.field__label{font-size:13px;color:var(--color-subtle)}.field__input,.field__select{height:46px;border-radius:12px;border:1px solid var(--color-border);padding:0 14px;font-size:15px;outline:none;background:#fff}.field__input:focus,.field__select:focus{border-color:var(--color-primary);box-shadow:0 0 0 3px var(--color-primary-soft)}.hero-card__aside{position:relative}.stat-card{height:100%;border-radius:14px;border:1px solid rgba(214,223,235,.9);background:linear-gradient(180deg,#ffffffeb,#ffffffbd);box-shadow:0 10px 26px #10244314;padding:16px}.stat-card__head{display:flex;align-items:baseline;justify-content:space-between;gap:12px;margin-bottom:10px}.stat-card__title{margin:0;font-size:16px}.stat-card__hint{margin:0;font-size:12px;color:var(--color-subtle)}.stat-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:10px;margin-bottom:12px}.stat-item{border-radius:12px;padding:10px 10px 12px;border:1px solid rgba(214,223,235,.9);background:#ffffffe6}.stat-item__label{margin:0;font-size:12px;color:var(--color-subtle)}.stat-item__value{margin:4px 0 0;font-size:18px;font-weight:700}.rank-list__title{margin:0 0 8px;font-size:12px;color:var(--color-subtle)}.rank-list__items{margin:0;padding-left:18px;display:grid;gap:6px}.rank-list__item{display:flex;align-items:center;justify-content:space-between;gap:10px}.rank-list__link{color:var(--color-text);text-decoration:none}.rank-list__link:hover{text-decoration:underline}.rank-list__count{font-variant-numeric:tabular-nums;font-size:12px;color:var(--color-subtle)}.list-card{margin-bottom:18px;padding:18px}.tool-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}.tool-card{border:1px solid var(--color-border);border-radius:12px;padding:14px;background:#fff;transition:transform .16s ease,box-shadow .16s ease}.tool-card:hover{transform:translateY(-1px);box-shadow:0 10px 22px #10244314}.tool-card--clickable{cursor:pointer}.tool-card--clickable:focus-visible{outline:2px solid var(--color-primary);outline-offset:1px}.tool-card__top{display:flex;align-items:flex-start;justify-content:space-between;gap:10px}.tool-card__title{margin:0 0 8px;font-size:18px}.tool-card__fav{width:34px;height:34px;border-radius:10px;border:1px solid var(--color-border);background:#ffffffe6;cursor:pointer;display:inline-flex;align-items:center;justify-content:center}.tool-card__fav:hover{border-color:#0a66c259;box-shadow:0 0 0 3px #0a66c21f}.tool-card__favIcon{font-size:16px;line-height:1}.tool-card__summary{margin:0 0 10px;color:var(--color-subtle)}.tool-card__meta{display:flex;flex-wrap:wrap;align-items:center;gap:8px;margin:0;font-size:13px;color:#6f7f94}.tool-pill{display:inline-flex;align-items:center;height:22px;padding:0 10px;border-radius:999px;border:1px solid rgba(214,223,235,.9);background:#0a66c214;color:#0f3762eb;font-size:12px}.tool-meta{font-variant-numeric:tabular-nums}.ad-shell{margin:14px 0}.tool-shell{padding:20px}.tool-page__intro{margin-bottom:16px;border-left:3px solid var(--color-primary);padding-left:12px}.tool-page__title{margin:0 0 8px;font-size:28px}.tool-page__summary{margin:0;color:var(--color-subtle)}.tool-panel{border:1px solid var(--color-border);border-radius:12px;padding:18px;background:#fff}.tool-panel__title{margin:0 0 8px;font-size:22px}.tool-panel__description{margin:0 0 12px;color:var(--color-subtle)}.tool-panel__result{padding:12px;border-radius:10px;background:#edf3ff;border:1px dashed #b8c8ea;margin-bottom:12px;word-break:break-all;min-height:50px}.tool-panel__actions{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:10px}.tool-panel__hint{margin:0;color:var(--color-subtle);font-size:14px}.tool-field{display:grid;gap:8px;margin:12px 0}.tool-field__label{font-size:13px;color:var(--color-subtle)}.tool-textarea{width:100%;border-radius:12px;border:1px solid var(--color-border);padding:12px;font-size:14px;line-height:1.6;resize:vertical;outline:none;background:#fff}.tool-textarea:focus{border-color:var(--color-primary);box-shadow:0 0 0 3px var(--color-primary-soft)}.tool-input{width:100%;height:44px;border-radius:12px;border:1px solid var(--color-border);padding:0 12px;font-size:14px;outline:none;background:#fff}.tool-input:focus{border-color:var(--color-primary);box-shadow:0 0 0 3px var(--color-primary-soft)}.tool-form-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:10px}.tool-form-grid--four{grid-template-columns:repeat(4,minmax(0,1fr))}.tool-preview-grid{margin-top:10px;display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}.tool-preview-card{margin:0;border:1px solid var(--color-border);border-radius:10px;padding:10px;background:#f8fbffb3}.tool-preview-card__caption{margin-bottom:8px;font-size:12px;color:var(--color-subtle)}.tool-preview-card__image{width:100%;max-height:300px;object-fit:contain;border-radius:8px;background:#fff;border:1px solid var(--color-border)}.tool-dropzone{margin:10px 0 12px;border:1px dashed #9cb4db;border-radius:12px;padding:14px;text-align:center;background:#f7faff;transition:border-color .16s ease,box-shadow .16s ease}.tool-dropzone--active{border-color:var(--color-primary);box-shadow:0 0 0 3px var(--color-primary-soft)}.tool-dropzone__title{margin:0 0 4px;font-weight:600}.tool-dropzone__hint{margin:0;font-size:13px;color:var(--color-subtle)}.tool-result-list{display:grid;gap:10px}.tool-result-item{display:grid;grid-template-columns:86px 1fr auto;gap:10px;align-items:center;border:1px solid var(--color-border);border-radius:10px;padding:8px;background:#f8fbffb3}.tool-result-item__thumb{width:86px;height:68px;border-radius:8px;object-fit:cover;border:1px solid var(--color-border);background:#fff}.tool-result-item__body{min-width:0}.tool-result-item__title{margin:0 0 4px;font-size:14px;font-weight:600;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.tool-result-item__meta{margin:0;color:var(--color-subtle);font-size:12px}.tool-panel__card{border:1px solid var(--color-border);border-radius:10px;padding:12px;margin-top:12px;background:#fcfdffcc}.tool-panel__subTitle{margin:0 0 8px;font-size:16px}.btn{display:inline-flex;align-items:center;justify-content:center;height:40px;border-radius:10px;border:1px solid transparent;padding:0 14px;font-size:14px;cursor:pointer}.btn--primary{background:var(--color-primary);color:#fff}.btn--secondary{background:#fff;border-color:var(--color-border)}.ad-slot{margin:16px 0}.ad-slot__placeholder{border:1px dashed #c4b8a5;border-radius:10px;background:var(--color-danger-soft);color:#7a5a2a;font-size:14px;min-height:72px;display:flex;align-items:center;justify-content:center}.policy-card,.about-card{padding:24px}.policy-card h1,.about-card h1{margin-top:0}.policy-card section+section,.about-card section+section{margin-top:18px}.empty-state{border-radius:10px;border:1px dashed var(--color-border);padding:16px;color:var(--color-subtle)}.directory-controls{display:flex;flex-wrap:wrap;gap:10px 16px;margin:0 0 12px;padding:10px 12px;border:1px solid rgba(214,223,235,.9);border-radius:10px;background:#fcfdffcc}.directory-controls__check{display:inline-flex;align-items:center;gap:6px;color:var(--color-subtle);font-size:13px}.directory-controls__check input{margin:0}.category-group-list{display:grid;gap:14px}.category-anchor-nav{display:flex;flex-wrap:nowrap;gap:8px;overflow-x:auto;padding-bottom:2px;scroll-behavior:smooth}.category-anchor-wrap{position:sticky;top:70px;z-index:2;margin-bottom:14px;padding:10px;border:1px solid rgba(214,223,235,.9);border-radius:12px;background:#ffffffeb;-webkit-backdrop-filter:blur(6px);backdrop-filter:blur(6px)}.category-anchor-wrap__actions{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:8px}.category-anchor-wrap__mobile-toggle{display:none}.category-anchor-nav__link{display:inline-flex;align-items:center;height:30px;padding:0 12px;border-radius:999px;border:1px solid rgba(214,223,235,.9);background:#0a66c214;color:#0f3762eb;font-size:13px;text-decoration:none}.category-anchor-nav__link:hover{text-decoration:none;border-color:#0a66c252;box-shadow:0 0 0 3px #0a66c21f}.category-anchor-nav__link--active{color:#fff;background:var(--color-primary);border-color:var(--color-primary)}.category-group{border:1px solid rgba(214,223,235,.9);border-radius:12px;padding:14px;background:#fcfdffcc}.category-group__header{display:flex;align-items:baseline;justify-content:space-between;gap:10px;margin-bottom:12px}.category-group__actions{display:flex;align-items:center;gap:8px}.category-group__title{margin:0;font-size:18px}.category-group__count{color:var(--color-subtle);font-size:13px}.category-group__toggle{height:30px;padding:0 10px;font-size:12px}.category-subgroup+.category-subgroup{margin-top:12px}.category-subgroup__header{display:flex;align-items:baseline;justify-content:space-between;gap:10px;margin-bottom:10px}.category-subgroup__title{margin:0;font-size:15px;color:var(--color-subtle)}.category-subgroup__count{color:var(--color-subtle);font-size:12px}.site-footer{border-top:1px solid var(--color-border);padding:16px 0 20px;color:var(--color-subtle);font-size:13px}.site-footer__inner{display:flex;flex-wrap:wrap;align-items:baseline;justify-content:space-between;gap:10px 16px}.site-footer__copy,.site-footer__meta{margin:0}.site-footer__link{color:inherit;text-decoration:none;border-bottom:1px dotted rgba(85,96,112,.55)}.site-footer__link:hover{text-decoration:none;border-bottom-style:solid}@media(max-width:860px){.tool-grid,.tool-form-grid,.tool-form-grid--four,.tool-preview-grid,.tool-result-item{grid-template-columns:1fr}.tool-result-item__thumb{width:100%;height:160px}.hero-card{grid-template-columns:1fr}.category-anchor-wrap{position:static;top:auto}.category-anchor-wrap__mobile-toggle{display:inline-flex}.category-anchor-nav{display:none}.category-anchor-nav--open{display:flex}.directory-controls{flex-direction:column;align-items:flex-start;gap:8px}.hero-card__title{font-size:24px}.site-header__inner{align-items:flex-start;flex-direction:column;padding:10px 0}}