:root{color-scheme:light;--bg: #f7f8f3;--surface: #ffffff;--paper: #fffdf8;--surface-green: #eef5ed;--surface-blue: #edf5f6;--surface-amber: #fff5d9;--ink: #17231e;--muted: #66736d;--line: #d9e1db;--green: #2d6650;--green-dark: #183c31;--teal: #245f70;--rust: #9d4c38;--amber: #d5a943;--shadow: 0 18px 48px rgba(23, 35, 30, .07);--font-sans: ui-sans-serif, -apple-system, BlinkMacSystemFont, "PingFang SC", "Noto Sans CJK SC", "Microsoft YaHei", "Segoe UI", sans-serif;--font-serif: "Noto Serif SC", "Source Han Serif SC", "Songti SC", STSong, "Times New Roman", serif}*{box-sizing:border-box}html{background:var(--bg)}body{margin:0;min-width:320px;background:radial-gradient(circle at 12% 0%,rgba(213,169,67,.12),transparent 30vw),linear-gradient(180deg,#edf5f6eb,#f7f8f300 360px),var(--bg);color:var(--ink);font-family:var(--font-sans);font-size:16px;line-height:1.65;letter-spacing:0;text-rendering:optimizeLegibility;-webkit-font-smoothing:antialiased}a{color:inherit;text-decoration:none}main{width:min(1180px,calc(100% - 32px));margin:0 auto;padding:34px 0 68px}.site-header{position:sticky;top:0;z-index:20;display:flex;align-items:center;justify-content:space-between;gap:20px;min-height:70px;padding:11px max(16px,calc((100vw - 1180px)/2));border-bottom:1px solid rgba(217,225,219,.72);background:#f7f8f3db;backdrop-filter:blur(20px)}.brand{display:inline-flex;align-items:center;gap:12px;min-width:196px}.brand-mark{display:grid;width:42px;height:42px;place-items:center;border:1px solid rgba(24,60,49,.16);border-radius:50%;background:linear-gradient(135deg,var(--green-dark),var(--green));color:#fff;font-family:var(--font-serif);font-weight:800;box-shadow:0 10px 24px #183c312e}.brand strong,.brand small{display:block}.brand strong{font-family:var(--font-serif);font-size:1.08rem;line-height:1.2;letter-spacing:.04em}.brand small{color:var(--muted);font-size:.78rem}.site-nav{display:flex;align-items:center;justify-content:flex-end;gap:4px;flex-wrap:wrap}.site-nav a{min-height:36px;padding:7px 12px;border-radius:999px;color:var(--muted);font-size:.92rem;font-weight:680}.site-nav a:hover,.site-nav a.active{background:#2d66501a;color:var(--green-dark)}.search-panel{display:grid;grid-template-columns:minmax(0,1.08fr) minmax(330px,.92fr);gap:26px 34px;align-items:center;padding:clamp(30px,6vw,58px);border:1px solid rgba(24,60,49,.1);border-radius:18px;background:linear-gradient(135deg,#fffdf8fa,#edf5f6e0),var(--paper);box-shadow:var(--shadow);overflow:hidden;position:relative}.search-panel:after{content:"";position:absolute;right:-120px;top:-150px;width:360px;height:360px;border-radius:50%;border:1px solid rgba(157,76,56,.12);background:radial-gradient(circle,rgba(213,169,67,.16),transparent 62%),transparent;pointer-events:none}.panel-copy,.search-form,.quick-paths,.stat-grid{position:relative;z-index:1}.panel-copy h1,.page-heading h1{max-width:760px;margin:8px 0 12px;font-family:var(--font-serif);font-size:clamp(2rem,4.5vw,4.3rem);line-height:1.08;letter-spacing:0;font-weight:760}.panel-copy p,.page-heading p{max-width:720px;margin:0;color:var(--muted);font-size:1.05rem}.eyebrow{color:var(--rust);font-size:.86rem;font-weight:760;letter-spacing:.08em}.hero-actions{display:flex;gap:10px;flex-wrap:wrap;margin-top:24px}.primary-link,.secondary-link{display:inline-grid;min-height:44px;place-items:center;border-radius:999px;padding:0 18px;font-weight:760}.primary-link{background:var(--green-dark);color:#fff}.secondary-link{border:1px solid rgba(45,102,80,.24);background:#ffffffa3;color:var(--green-dark)}.search-form{display:grid;gap:12px;padding:18px;border:1px solid rgba(24,60,49,.12);border-radius:14px;background:#ffffffb8;box-shadow:0 12px 34px #17231e0f}.search-form label{color:var(--green-dark);font-size:.92rem;font-weight:700}.search-form div{display:grid;grid-template-columns:minmax(0,1fr) auto;gap:8px}.search-form input,.pagefind-ui__search-input{min-height:54px;width:100%;border:1px solid #cfd9d1;border-radius:12px;background:#fff;color:var(--ink);font:inherit}.search-form input{padding:0 16px}.search-form button{min-height:54px;min-width:92px;border:0;border-radius:12px;background:var(--green-dark);color:#fff;font:inherit;font-weight:750;cursor:pointer}.search-form button:hover{background:var(--green)}.quick-paths{grid-column:1 / -1;display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:10px}.quick-paths a{min-height:52px;display:flex;align-items:center;justify-content:center;border:1px solid rgba(24,60,49,.12);border-radius:12px;background:#ffffffa8;color:var(--green-dark);font-weight:760}.quick-paths a:hover{border-color:#2d66504d;background:#fff}.stat-grid{grid-column:1 / -1;display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:12px}.stat-grid div{min-height:88px;padding:14px 16px;border-left:1px solid rgba(45,102,80,.18);background:transparent}.stat-grid strong{display:block;color:var(--green-dark);font-family:var(--font-serif);font-size:2rem;line-height:1.05}.stat-grid span{color:var(--muted);font-size:.92rem}.content-band,.two-column,.page-heading,.search-page-shell,.tool-entry,.article-page{min-width:0;margin-top:34px}.tool-entry{display:grid;grid-template-columns:minmax(0,1fr) auto;gap:20px;align-items:center;padding:24px 26px;border:1px solid rgba(157,76,56,.18);border-radius:16px;background:linear-gradient(135deg,#fff5d9c7,#eef5ede0),var(--surface)}.tool-entry h2{margin:4px 0 8px;font-family:var(--font-serif);font-size:1.7rem;line-height:1.16}.tool-entry p{max-width:720px;margin:0;color:var(--muted)}.tool-entry a{display:inline-grid;min-height:46px;min-width:112px;place-items:center;border-radius:999px;background:var(--green-dark);color:#fff;font-weight:780}.tool-entry a:hover{background:var(--green-dark)}.section-head{display:flex;align-items:end;justify-content:space-between;gap:18px;margin-bottom:16px}.section-head h2,.side-panel h2{margin:4px 0 0;font-family:var(--font-serif);font-size:1.35rem;line-height:1.2}.section-head a,.site-footer a,.article-header a{color:var(--teal);font-weight:750}.topic-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:14px}.topic-grid.large{grid-template-columns:repeat(auto-fit,minmax(210px,1fr))}.topic-tile{display:flex;align-items:center;justify-content:space-between;gap:12px;min-height:72px;padding:16px;border:1px solid rgba(24,60,49,.11);border-radius:14px;background:#ffffffd1}.topic-tile:hover{border-color:#2f6f4e59;box-shadow:0 12px 28px #17231e12;transform:translateY(-1px)}.topic-tile span{font-weight:760}.topic-tile strong{display:inline-grid;min-width:40px;height:32px;place-items:center;border-radius:999px;background:var(--surface-green);color:var(--green-dark)}.topic-tile.formula strong{background:#fff3d5;color:#7a4b16}.topic-tile.symptom strong{background:#e9f4f4;color:var(--teal)}.topic-summary{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px;margin-top:24px;padding:20px;border:1px solid rgba(24,60,49,.1);border-radius:16px;background:#ffffffb8}.topic-summary h2,.trust-note h2,.info-page h2{margin:0 0 12px;color:var(--green-dark);font-family:var(--font-serif);font-size:1.18rem;line-height:1.25}.two-column{display:grid;grid-template-columns:minmax(0,1fr) 330px;gap:26px;align-items:start}.article-grid{display:grid;min-width:0;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px}.article-grid.wide{grid-template-columns:repeat(auto-fit,minmax(280px,1fr))}.article-list{display:grid;gap:12px}.article-card{display:flex;min-width:0;min-height:226px;flex-direction:column;justify-content:space-between;gap:14px;padding:20px;border:1px solid rgba(24,60,49,.1);border-radius:16px;background:#ffffffdb;transition:border-color .18s ease,box-shadow .18s ease,transform .18s ease}.article-card.compact{min-height:168px}.article-card:hover{border-color:#25727a5c;box-shadow:0 12px 32px #17231e12;transform:translateY(-1px)}.card-main,.card-meta,.tag-row{min-width:0}.card-title{display:block;width:100%;max-width:100%;min-width:0;font-family:var(--font-serif);font-size:1.08rem;font-weight:760;line-height:1.42;line-break:anywhere;overflow-wrap:anywhere;white-space:normal;word-break:break-all}.card-main p{display:-webkit-box;max-width:100%;margin:10px 0 0;overflow:hidden;color:var(--muted);font-size:.94rem;line-break:anywhere;overflow-wrap:anywhere;white-space:normal;word-break:break-all;-webkit-box-orient:vertical;-webkit-line-clamp:3}.card-meta,.article-meta{display:flex;gap:8px;flex-wrap:wrap;color:var(--muted);font-size:.84rem}.card-meta span,.article-meta span{max-width:100%;padding:3px 8px;border-radius:999px;background:#f1f3ed;line-break:anywhere;overflow-wrap:anywhere;white-space:normal;word-break:break-all}.tag-row{display:flex;gap:6px;flex-wrap:wrap}.tag-row span{max-width:100%;padding:4px 8px;border:1px solid rgba(47,111,78,.18);border-radius:999px;background:#eef5ede6;color:var(--green-dark);font-size:.78rem;line-height:1.25;line-break:anywhere;overflow-wrap:anywhere;white-space:normal;word-break:break-all}.side-panel{display:grid;gap:18px;padding:20px;border:1px solid rgba(36,95,112,.14);border-radius:16px;background:#edf5f6b8}.type-list{display:grid;gap:8px}.type-list div{display:flex;justify-content:space-between;gap:12px;padding-bottom:8px;border-bottom:1px solid rgba(37,114,122,.16)}.type-list div:last-child{border-bottom:0}.link-cloud{display:flex;flex-wrap:wrap;gap:8px}.link-cloud a{padding:7px 10px;border-radius:999px;background:#fff;color:var(--teal);font-weight:700}.link-cloud span{padding:7px 10px;border-radius:999px;background:#ffffffb8;color:var(--muted);font-weight:700}.muted-cloud{gap:7px}.page-heading{padding:24px 0 26px;border-bottom:1px solid rgba(24,60,49,.12)}.search-page-shell{padding:22px;border:1px solid rgba(24,60,49,.1);border-radius:16px;background:#ffffffd6}.pagefind-ui{--pagefind-ui-primary: var(--green);--pagefind-ui-text: var(--ink);--pagefind-ui-background: #fff;--pagefind-ui-border: var(--line);--pagefind-ui-border-width: 1px;--pagefind-ui-border-radius: 12px;--pagefind-ui-font: var(--font-sans)}.article-page{display:grid;grid-template-columns:minmax(0,760px);justify-content:center}.article-header{padding-bottom:22px;border-bottom:1px solid rgba(24,60,49,.12)}.article-header h1{margin:16px 0 14px;font-family:var(--font-serif);font-size:clamp(1.9rem,4vw,3.2rem);line-height:1.14;letter-spacing:0;font-weight:760}.article-body{padding-top:24px;color:#253129;font-family:var(--font-serif);font-size:1.08rem;line-height:1.88}.pagefind-filters{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);clip-path:inset(50%);white-space:nowrap}.article-body p{margin:0 0 1.18em}.article-body h2,.article-body h3{margin:1.75em 0 .65em;font-family:var(--font-serif);line-height:1.28}.article-body blockquote{margin:1.2em 0;padding:14px 18px;border-left:4px solid var(--green);border-radius:0 12px 12px 0;background:var(--surface-green);color:#405046}.article-body code{padding:2px 5px;border-radius:5px;background:#f4efe6}.trust-note,.info-page{margin-top:28px;padding:20px;border:1px solid rgba(157,76,56,.16);border-radius:16px;background:#fff8e6ad;color:#405046}.trust-note p,.info-page p{margin:0 0 1em;color:var(--muted);line-height:1.74}.trust-note p:last-child,.info-page p:last-child{margin-bottom:0}.trust-note dl{display:grid;gap:10px;margin:16px 0 0}.trust-note dl div{display:grid;grid-template-columns:92px minmax(0,1fr);gap:12px}.trust-note dt{color:var(--green-dark);font-weight:760}.trust-note dd{margin:0;color:var(--muted)}.info-page{max-width:820px}.footer-links{display:flex;gap:14px;flex-wrap:wrap}.site-footer{display:flex;align-items:center;justify-content:space-between;gap:24px;width:min(1180px,calc(100% - 32px));margin:0 auto;padding:30px 0 42px;border-top:1px solid var(--line);color:var(--muted)}.site-footer strong{color:var(--green-dark);font-family:var(--font-serif);font-size:1.08rem}.site-footer p{max-width:720px;margin:6px 0 0}@media (max-width: 900px){.site-header{align-items:flex-start;flex-direction:column}.site-nav{width:100%;justify-content:flex-start}.search-panel,.two-column,.topic-summary{grid-template-columns:1fr}.topic-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.article-grid{grid-template-columns:1fr}.stat-grid,.quick-paths{grid-template-columns:repeat(2,minmax(0,1fr))}}@media (max-width: 620px){main{width:min(100% - 24px,1180px);padding-top:18px}.search-panel{padding:22px;border-radius:16px}.panel-copy h1,.page-heading h1{font-size:2.05rem}.search-form div,.topic-grid,.article-grid{grid-template-columns:1fr}.article-card{min-height:0}.section-head,.tool-entry,.site-footer{align-items:flex-start;flex-direction:column}.tool-entry{grid-template-columns:1fr}.site-nav a{padding:7px 9px}}