@import url('https://fonts.googleapis.com/css2?family=DM+Sans:wght@400;500;600;700&family=Playfair+Display:ital,wght@0,500;0,600;0,700;1,500;1,600&family=Noto+Serif+SC:wght@500;600&display=swap');
:root{--jade:#183c35;--jade2:#244e45;--jade3:#dce7dc;--cinnabar:#a34231;--cinnabar2:#c35b42;--paper:#f6f2e8;--paper2:#eee8da;--ink:#252b25;--muted:#777a70;--gold:#b99355;--line:#d9d2c2;--white:#fffdf7;--serif:'Playfair Display','Noto Serif SC',serif;--sans:'DM Sans',Arial,sans-serif;--shadow:0 18px 56px #273d3214}
*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:90px}body{margin:0;color:var(--ink);background:var(--paper);font:15px/1.6 var(--sans);overflow-x:hidden}.paper-grain{pointer-events:none;position:fixed;inset:0;z-index:-1;opacity:.14;background-image:url("data:image/svg+xml,%3Csvg viewBox='0 0 180 180' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.8' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='.12'/%3E%3C/svg%3E")}.wrap{width:min(1160px,calc(100% - 64px));margin-inline:auto}.site-header{height:82px;padding:0 max(32px,calc((100% - 1160px)/2));display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid #dfd8c9;background:#f6f2e8ee;backdrop-filter:blur(12px);position:sticky;top:0;z-index:20}.brand{display:flex;align-items:center;gap:12px;text-decoration:none;color:var(--jade);letter-spacing:.08em}.brand-seal{width:38px;height:38px;display:grid;place-items:center;border:1px solid var(--cinnabar);outline:1px solid #a3423150;outline-offset:3px;color:var(--cinnabar);font:24px/1 'Noto Serif SC',serif}.brand b,.brand small{display:block}.brand b{font-size:12px;line-height:1.3}.brand small{margin-top:5px;color:#868175;font-size:8px;letter-spacing:.17em}.main-nav{display:flex;gap:36px;margin-left:80px}.main-nav a,.text-link{color:#48564d;text-decoration:none;font-size:12px;letter-spacing:.04em;transition:color .2s}.main-nav a:hover,.text-link:hover{color:var(--cinnabar)}.header-actions{display:flex;gap:12px}.lang-switch{border:1px solid #c9c1b0;background:transparent;color:var(--jade);padding:9px 12px;font:600 10px var(--sans);letter-spacing:.1em;cursor:pointer}.lang-switch span{color:var(--cinnabar);margin-left:4px}.mobile-menu{display:none;background:none;border:0;color:var(--jade);font-size:20px}.hero{min-height:590px;display:grid;grid-template-columns:1fr .9fr;gap:55px;align-items:center;padding-block:76px 68px}.hero-copy{padding:18px 0 0}.eyebrow{display:flex;align-items:center;gap:11px;color:var(--cinnabar);font:600 9px/1.3 var(--sans);letter-spacing:.19em}.eyebrow-line{width:27px;height:1px;background:var(--cinnabar);display:inline-block}.hero h1{font:500 clamp(44px,5.3vw,68px)/1.08 var(--serif);letter-spacing:-.04em;color:var(--jade);margin:25px 0 19px}.hero h1 em,.section h2 em,.study-intro h2 em,.safety-section h2 em{font-weight:500;color:var(--cinnabar)}.hero-lede{max-width:480px;color:#666b61;font-size:14px;line-height:1.9}.hero-actions{display:flex;align-items:center;gap:28px;margin-top:31px}.button{display:inline-flex;align-items:center;gap:24px;padding:14px 18px;text-decoration:none;font-size:11px;font-weight:600;letter-spacing:.04em}.button-primary{background:var(--jade);color:#f8f4e9;box-shadow:4px 4px 0 #c5a873}.button-primary:hover{background:var(--jade2);transform:translateY(-1px)}.text-link{display:inline-flex;gap:12px;align-items:center}.text-link span:last-child{color:var(--cinnabar)}.hero-note{display:flex;align-items:flex-start;gap:10px;margin-top:45px;color:#817d72;font-size:10px;max-width:380px}.note-mark{color:var(--gold);font-size:16px;line-height:1}.hero-art{position:relative;justify-self:end;width:min(100%,440px);padding:18px 16px 32px 25px}.hero-image-frame{height:438px;position:relative;overflow:hidden;background:#d9dfd0;box-shadow:var(--shadow);z-index:1}.hero-image-frame img{height:100%;width:100%;object-fit:cover;object-position:center 42%;filter:saturate(.72) contrast(.92);mix-blend-mode:multiply}.image-wash{position:absolute;inset:0;background:linear-gradient(180deg,#233d3010 0%,#183c3530 68%,#183c35b8 100%);mix-blend-mode:multiply}.hero-stamp{position:absolute;left:23px;top:23px;width:55px;height:64px;border:1px solid #f5eddb;color:#f5eddb;display:grid;place-content:center;text-align:center;font:26px/1.2 'Noto Serif SC',serif;transform:rotate(-5deg)}.hero-stamp small{font:7px var(--sans);letter-spacing:.12em}.hero-caption{position:absolute;bottom:18px;left:22px;right:18px;color:#fbf7ea;display:flex;align-items:end;justify-content:space-between}.hero-caption span:first-child{font:25px 'Noto Serif SC',serif}.hero-caption span:last-child{font-size:8px;letter-spacing:.16em}.hero-orbit{position:absolute;border:1px solid #b9945b80;width:170px;height:170px;border-radius:50%;z-index:0}.orbit-one{top:-5px;right:-24px}.orbit-two{width:110px;height:110px;bottom:0;left:-18px}.hero-side-note{position:absolute;writing-mode:vertical-rl;right:-4px;top:115px;color:var(--cinnabar);font:20px 'Noto Serif SC',serif;letter-spacing:.08em}.hero-side-note span{font:8px var(--sans);letter-spacing:.13em;color:#888174}.quick-strip{height:80px;display:grid;grid-template-columns:repeat(3,1fr) 70px;align-items:center;border-top:1px solid var(--line);border-bottom:1px solid var(--line);position:relative}.quick-item{display:flex;align-items:center;gap:13px;color:#52574f;font-size:11px}.quick-num{font:italic 16px var(--serif);color:var(--cinnabar)}.quick-seal{justify-self:end;width:36px;height:36px;border:1px solid #c2a66f;color:#a88b55;display:grid;place-items:center;font:19px 'Noto Serif SC',serif;transform:rotate(4deg)}
.section{padding-block:100px 105px}.section-heading{display:flex;justify-content:space-between;align-items:end;margin-bottom:35px}.section h2,.safety-section h2{font:500 clamp(36px,4vw,48px)/1.1 var(--serif);letter-spacing:-.035em;color:var(--jade);margin:15px 0 8px}.section-subtitle{margin:0;color:#74756d;font-size:12px}.desktop-link{margin-bottom:11px}.library-tools{display:flex;align-items:center;justify-content:space-between;gap:18px;margin-bottom:25px}.search-box{height:43px;min-width:280px;max-width:410px;flex:1;display:flex;align-items:center;gap:10px;padding:0 12px;border:1px solid #d8d2c4;background:#fbf9f1;color:#999487}.search-box>span{font-size:20px}.search-box input{width:100%;border:0;outline:0;background:transparent;color:var(--ink);font:11px var(--sans)}.search-box input::placeholder{color:#999487}.search-box kbd{font:9px var(--sans);border:1px solid #dfd9cb;padding:2px 5px;white-space:nowrap}.filter-chips{display:flex;gap:7px;flex-wrap:wrap}.chip{padding:9px 13px;border:1px solid #d8d2c4;background:transparent;color:#686a61;font:10px var(--sans);cursor:pointer;transition:.2s}.chip:hover,.chip.active{background:var(--jade);border-color:var(--jade);color:#f6f2e8}.herb-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}.herb-card{background:#fbf9f2;border:1px solid #e3ddcf;transition:transform .25s,box-shadow .25s;cursor:pointer;position:relative}.herb-card:hover{transform:translateY(-5px);box-shadow:0 14px 38px #273d3217}.herb-photo{height:230px;position:relative;overflow:hidden;background:#dce3d6}.herb-photo img{width:100%;height:100%;object-fit:cover;filter:saturate(.8);transition:transform .5s}.herb-card:hover .herb-photo img{transform:scale(1.04)}.herb-index{position:absolute;left:12px;top:12px;background:#f6f2e8e8;color:var(--cinnabar);padding:5px 8px;font:italic 12px var(--serif)}.herb-tag{position:absolute;right:12px;bottom:12px;background:var(--jade);color:#f8f4e9;padding:6px 9px;font-size:8px;letter-spacing:.12em}.herb-card-copy{padding:17px 18px 19px}.herb-card-top{display:flex;justify-content:space-between;align-items:center}.herb-pinyin{font-size:9px;color:var(--cinnabar);letter-spacing:.12em;text-transform:uppercase}.herb-chinese{font:18px 'Noto Serif SC',serif;color:#bd9b63}.herb-card h3{font:500 23px var(--serif);color:var(--jade);margin:4px 0 1px}.herb-latin{color:#88877c;font:italic 10px var(--serif)}.herb-card-copy p{font-size:11px;line-height:1.65;color:#686b62;margin:12px 0 9px;min-height:38px}.card-more{color:var(--cinnabar);font-size:10px;letter-spacing:.05em}.card-more span{margin-left:8px}.library-footnote{display:flex;gap:10px;color:#858176;font-size:10px;margin-top:19px}.library-footnote span:first-child{color:var(--gold)}.empty-state{grid-column:1/-1;padding:40px;text-align:center;border:1px dashed var(--line);color:#777}.study-band{background:var(--jade);color:#f7f2e5;position:relative;overflow:hidden}.study-band:before{content:'本草';position:absolute;font:250px 'Noto Serif SC',serif;color:#e8ddc712;right:-10px;top:-85px;transform:rotate(-8deg)}.study-inner{display:grid;grid-template-columns:.75fr 1.25fr;gap:70px;align-items:center;padding-block:88px}.eyebrow-light{color:#c5ac78}.eyebrow-light .eyebrow-line{background:#c5ac78}.study-intro h2{font:500 40px/1.13 var(--serif);letter-spacing:-.03em;margin:18px 0;color:#f7f2e5}.study-intro h2 em{color:#dfb173}.study-intro>p{font-size:12px;line-height:1.8;color:#d2dbd1;max-width:320px}.study-progress{margin-top:35px;max-width:300px}.progress-meta{display:flex;justify-content:space-between;font-size:8px;letter-spacing:.13em;color:#c6d0c3}.progress-meta strong{font-size:10px;color:#f2dcae}.progress-track{height:3px;background:#6f8980;margin-top:9px}.progress-track span{display:block;height:100%;width:0;background:#d3ac6e;transition:width .3s}.study-cards{display:grid;grid-template-columns:.92fr 1.08fr;gap:16px;position:relative;z-index:1}.study-card{min-height:353px;background:#f7f2e5;color:var(--ink);padding:15px;position:relative;cursor:pointer;box-shadow:0 18px 50px #0d211b38;display:flex;flex-direction:column}.card-topline{display:flex;justify-content:space-between;align-items:center;color:#8b887b;font-size:8px;letter-spacing:.15em}.card-corner{color:var(--cinnabar);font:16px 'Noto Serif SC',serif}.flash-card>img{height:182px;width:100%;object-fit:cover;margin-top:12px;filter:saturate(.82)}.flash-answer{padding-top:10px;text-align:center;display:flex;flex-direction:column;gap:1px}.flash-answer b{font:500 19px var(--serif);color:var(--jade)}.flash-answer small{font:italic 9px var(--serif);color:#898578}.flash-pinyin{font-size:8px;color:var(--cinnabar);letter-spacing:.12em}.flash-hint{margin-top:auto;text-align:center;padding-top:8px;color:#9a9487;font-size:9px}.flash-hint span{margin-left:7px;color:var(--cinnabar)}.study-quiz{background:#f9f6ed;color:var(--ink);padding:18px;min-height:353px;position:relative}.quiz-heading{display:flex;gap:12px;align-items:center}.quiz-icon{width:35px;height:35px;border:1px solid #bc9a60;color:var(--cinnabar);display:grid;place-items:center;font:19px 'Noto Serif SC',serif}.quiz-heading small{color:#9b7950;font-size:8px;letter-spacing:.14em}.quiz-heading h3{font:500 18px var(--serif);color:var(--jade);margin:0}.study-quiz>img{width:100%;height:142px;object-fit:cover;margin:13px 0 9px}.quiz-options{display:grid;grid-template-columns:1fr 1fr;gap:6px}.quiz-option{padding:7px 9px;text-align:left;border:1px solid #e0d8c8;background:transparent;color:#4b5148;font:10px var(--sans);cursor:pointer}.quiz-option:hover{border-color:var(--gold)}.quiz-option.correct{background:#e2ebdc;border-color:#6a8c68;color:#244b3e}.quiz-option.incorrect{background:#f4e2dc;border-color:#bd6554;color:#873f32}.quiz-feedback{height:20px;margin-top:4px;color:#6c7c60;font-size:9px}.quiz-next{border:0;background:transparent;color:var(--cinnabar);font:600 9px var(--sans);padding:0;cursor:pointer;letter-spacing:.04em}.quiz-next span{margin-left:8px}
.formula-section{padding-top:98px;padding-bottom:82px}.formula-mark{font:50px 'Noto Serif SC',serif;color:#c4a76b;align-self:start}.formula-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.formula-card{background:#eee9db;padding:22px 22px 20px;position:relative;border-top:2px solid var(--gold);min-height:235px}.formula-count{position:absolute;right:18px;top:14px;color:#bdb5a4;font:italic 19px var(--serif)}.formula-group{font-size:8px;color:var(--cinnabar);letter-spacing:.16em}.formula-card h3{font:500 23px var(--serif);color:var(--jade);margin:8px 0 0}.formula-chinese{font:17px 'Noto Serif SC',serif;color:#b7955c}.formula-romaji{font:italic 10px var(--serif);color:#818176;margin:1px 0 13px}.formula-card p{font-size:11px;color:#66695f;line-height:1.7;margin:8px 0}.formula-ingredients{border-top:1px solid #d3cbbb;padding-top:11px;margin-top:13px!important;color:#48554d!important}.formula-open{display:inline-block;margin-top:6px;color:var(--cinnabar);font-size:9px;letter-spacing:.04em}.formula-disclaimer{display:flex;gap:13px;align-items:flex-start;background:#f0e9dc;border-left:2px solid var(--cinnabar);padding:13px 15px;margin-top:20px;color:#6f6b60}.warning-icon{font:17px var(--serif);color:var(--cinnabar);border:1px solid #b65d4e;border-radius:50%;width:22px;height:22px;text-align:center;line-height:20px;flex:none}.formula-disclaimer p{margin:0;font-size:10px;line-height:1.7}.safety-section{background:#24443b;color:#f7f2e7;position:relative;overflow:hidden}.safety-section:after{content:'慎';font:320px 'Noto Serif SC',serif;color:#f2e8d609;position:absolute;right:4%;top:-110px}.safety-inner{display:grid;grid-template-columns:160px 1fr;gap:38px;align-items:center;padding-block:72px;position:relative;z-index:1}.safety-seal{width:105px;height:105px;margin:auto;border:1px solid #c5a76e;color:#d4b575;outline:1px solid #c5a76e66;outline-offset:6px;display:grid;place-items:center;font:42px 'Noto Serif SC',serif}.safety-section h2{color:#faf5e9;font-size:36px;margin:15px 0}.safety-section h2 em{color:#dcb575}.safety-section p{max-width:710px;color:#d6ded5;font-size:12px;line-height:1.85;margin:13px 0}.safety-link{display:inline-block;color:#edcb8f;text-decoration:none;font-size:10px;margin-top:6px}.sources-section{display:grid;grid-template-columns:.55fr 1.45fr;gap:38px;padding-block:54px}.sources-head p{font:italic 13px/1.6 var(--serif);color:#68695e;margin:10px 0}.source-logos{display:grid;grid-template-columns:repeat(4,1fr);align-items:center;gap:14px}.source-logos a{text-decoration:none;color:#526258;font-size:9px;letter-spacing:.04em;border-left:1px solid #d3cbbb;padding-left:14px}.source-logos a span{color:var(--cinnabar)}.site-footer{border-top:1px solid var(--line);padding:21px 0}.footer-inner{display:flex;align-items:center;justify-content:space-between}.brand-footer .brand-seal{width:32px;height:32px;font-size:20px}.brand-footer b{font-size:10px}.brand-footer small{font-size:7px}.footer-inner p{font-size:9px;color:#858176}.back-top{text-decoration:none;color:var(--cinnabar);font-size:18px;border:1px solid #d4cdbd;width:29px;height:29px;display:grid;place-items:center}.modal-backdrop{position:fixed;inset:0;background:#132720b8;z-index:50;display:none;align-items:center;justify-content:center;padding:25px;backdrop-filter:blur(4px)}.modal-backdrop.open{display:flex}.herb-modal{position:relative;width:min(800px,100%);max-height:min(88vh,850px);overflow:auto;background:var(--paper);padding:28px 30px 34px;box-shadow:0 24px 80px #1118}.modal-close{position:absolute;right:15px;top:12px;border:0;background:transparent;color:var(--cinnabar);font:30px var(--serif);cursor:pointer;z-index:2}.modal-hero{display:grid;grid-template-columns:.8fr 1.2fr;gap:26px;padding-right:12px}.modal-hero img{width:100%;height:225px;object-fit:cover}.modal-meta .eyebrow{font-size:8px}.modal-meta h2{font:500 36px var(--serif);color:var(--jade);margin:11px 0 0}.modal-meta .modal-chinese{color:#bd985a;font:22px 'Noto Serif SC',serif}.modal-latin{font:italic 12px var(--serif);color:#77796f}.modal-tags{display:flex;flex-wrap:wrap;gap:6px;margin-top:14px}.modal-tag{padding:5px 8px;background:#e8e1d2;color:#66665d;font-size:8px}.modal-sections{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin-top:22px}.modal-section{padding:14px;background:#eee9dd}.modal-section h4{margin:0 0 7px;color:var(--cinnabar);font-size:8px;letter-spacing:.14em}.modal-section p{margin:0;color:#555d54;font-size:11px;line-height:1.7}.modal-section.wide{grid-column:1/-1}.modal-sources{display:flex;gap:12px;flex-wrap:wrap;margin-top:16px}.modal-sources a{font-size:9px;color:var(--jade);text-decoration-color:#bda878}.redirect-note{padding:30px}
@media(max-width:900px){.hero{gap:25px;grid-template-columns:1.05fr .95fr}.hero h1{font-size:53px}.main-nav{margin-left:0;gap:20px}.study-inner{gap:35px}.study-cards{gap:10px}.study-card,.study-quiz{min-height:340px}.sources-section{grid-template-columns:1fr;gap:10px}.source-logos{margin-top:8px}}
@media(max-width:700px){.wrap{width:calc(100% - 36px)}.site-header{height:68px;padding:0 18px}.brand{gap:9px}.brand-seal{width:33px;height:33px;font-size:21px}.brand b{font-size:10px}.brand small{font-size:7px}.main-nav{display:none;position:absolute;top:67px;left:0;right:0;padding:18px;background:var(--paper);border-bottom:1px solid var(--line);flex-direction:column;gap:16px}.main-nav.open{display:flex}.mobile-menu{display:block}.lang-switch{padding:8px 9px}.hero{display:flex;flex-direction:column;align-items:stretch;gap:25px;padding-block:53px 45px}.hero h1{font-size:47px;margin:20px 0 14px}.hero-lede{font-size:12px}.hero-note{margin-top:28px}.hero-art{width:min(92%,380px);align-self:center;padding:12px 9px 24px 14px}.hero-image-frame{height:340px}.hero-side-note{right:-12px;font-size:16px}.hero-caption span:last-child{font-size:7px}.quick-strip{height:auto;min-height:74px;grid-template-columns:1fr 1fr;gap:12px;padding-block:13px}.quick-item{font-size:9px;gap:8px}.quick-item:nth-child(3){display:none}.quick-seal{position:absolute;right:0;top:20px;width:30px;height:30px;font-size:16px}.quick-item:nth-child(2){padding-right:35px}.section{padding-block:70px}.section-heading{align-items:start;margin-bottom:24px}.section h2{font-size:37px}.section-subtitle{font-size:11px;max-width:300px}.desktop-link{display:none}.library-tools{display:block}.search-box{width:100%;max-width:none;margin-bottom:12px}.filter-chips{gap:5px}.chip{padding:8px 10px;font-size:9px}.herb-grid{grid-template-columns:1fr 1fr;gap:10px}.herb-photo{height:155px}.herb-card-copy{padding:12px}.herb-card h3{font-size:18px}.herb-card-copy p{font-size:10px;min-height:50px}.herb-chinese{font-size:15px}.herb-pinyin{font-size:7px}.herb-tag{font-size:7px;padding:5px 6px}.study-inner{display:block;padding-block:63px}.study-intro h2{font-size:37px}.study-intro>p{max-width:390px}.study-progress{margin:25px 0 30px}.study-cards{grid-template-columns:1fr 1fr;gap:9px}.study-card{padding:10px;min-height:300px}.flash-card>img{height:142px}.study-quiz{padding:12px;min-height:300px}.quiz-heading{gap:8px}.quiz-icon{width:29px;height:29px;font-size:16px}.quiz-heading h3{font-size:15px}.study-quiz>img{height:120px;margin:10px 0}.quiz-options{grid-template-columns:1fr}.quiz-option{padding:6px 7px;font-size:9px}.quiz-feedback{height:15px}.formula-section{padding-block:68px}.formula-mark{font-size:40px}.formula-grid{grid-template-columns:1fr;gap:12px}.formula-card{min-height:0;padding:18px}.safety-inner{display:block;padding-block:53px}.safety-seal{width:65px;height:65px;font-size:29px;margin:0 0 28px 8px}.safety-section h2{font-size:30px}.safety-section p{font-size:11px}.sources-section{padding-block:38px}.source-logos{grid-template-columns:1fr 1fr;gap:17px}.source-logos a{padding-left:10px;font-size:8px}.footer-inner{gap:10px;flex-wrap:wrap}.footer-inner p{flex-basis:100%;order:3;margin:3px 0 0}.brand-footer{margin-right:auto}.modal-backdrop{padding:12px}.herb-modal{padding:21px 17px 26px}.modal-hero{grid-template-columns:1fr;gap:14px}.modal-hero img{height:210px}.modal-meta h2{font-size:30px}.modal-sections{grid-template-columns:1fr}.modal-section.wide{grid-column:auto}}
@media(max-width:390px){.herb-grid{grid-template-columns:1fr}.herb-photo{height:210px}.study-cards{grid-template-columns:1fr}.study-card,.study-quiz{min-height:320px}.study-quiz>img{height:145px}}
.field-guide{padding-top:25px;padding-bottom:80px}.guide-kicker{display:flex;justify-content:space-between;color:#969082;font-size:9px;letter-spacing:.12em}.guide-kicker a{color:var(--cinnabar);text-decoration:none}.guide-hero{padding:74px 0 60px;border-bottom:1px solid var(--line)}.guide-hero h1{font:500 clamp(50px,7vw,82px)/1.02 var(--serif);letter-spacing:-.05em;color:var(--jade);margin:19px 0}.guide-hero h1 em{color:var(--cinnabar);font-weight:500}.guide-hero>p{max-width:660px;color:#666b61;font-size:15px;line-height:1.9}.guide-meta{display:flex;gap:20px;flex-wrap:wrap;margin-top:26px;color:#786f5f;font-size:10px}.guide-meta span:before{content:'✳';color:var(--gold);margin-right:7px}.guide-intro{display:grid;grid-template-columns:.7fr 1.3fr;gap:56px;padding:64px 0;border-bottom:1px solid var(--line)}.guide-intro h2,.monographs>h2,.formula-notes>h2{font:500 40px/1.12 var(--serif);color:var(--jade);letter-spacing:-.03em;margin:17px 0}.guide-intro h2 em,.monographs>h2 em,.formula-notes>h2 em{color:var(--cinnabar);font-weight:500}.guide-prose p,.monograph-copy p,.formula-notes article p{font-size:12px;color:#5e6259;line-height:1.95;margin:0 0 14px}.safety-key{padding:48px 0 55px;border-bottom:1px solid var(--line)}.safety-key-title{display:flex;align-items:center;gap:12px}.safety-key-title h2{font:500 22px var(--serif);color:var(--jade);margin:0}.key-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:15px;margin-top:20px}.key-grid article{background:#eee9dd;border-top:2px solid var(--gold);padding:17px}.key-grid b{font:500 15px var(--serif);color:var(--jade)}.key-grid p,.key-foot{font-size:10px;line-height:1.8;color:#68695e}.key-grid p{margin:8px 0 0}.key-foot{margin:18px 0 0}.key-foot a,.monograph-copy a,.formula-notes a{color:var(--cinnabar);text-decoration-color:#c7a875}.monographs{padding:70px 0 48px}.guide-lede{max-width:760px;color:#75746b;font-size:12px;line-height:1.85;margin:10px 0 33px}.monograph{display:grid;grid-template-columns:.82fr 1.18fr;gap:35px;padding:33px 0;border-top:1px solid var(--line);align-items:start}.monograph.reverse{grid-template-columns:1.18fr .82fr}.monograph.reverse .monograph-image{order:2}.monograph.reverse .monograph-copy{order:1}.monograph-image{position:sticky;top:105px;background:#e8e0ce}.monograph-image img{display:block;width:100%;aspect-ratio:1/1;object-fit:cover}.monograph-image span{display:block;padding:8px 10px;color:#706a5d;font-size:7px;letter-spacing:.11em;text-align:center}.monograph-number{font:italic 12px var(--serif);color:#b39158}.monograph-copy h3{font:500 29px/1.2 var(--serif);color:var(--jade);margin:7px 0}.monograph-copy h3 em{font-size:19px;font-weight:500;color:var(--cinnabar)}.species{font:italic 11px var(--serif)!important;color:#928b7d!important;margin:0 0 17px!important}.formula-notes{padding:55px 0 68px;border-top:1px solid var(--line)}.formula-notes>h2{max-width:600px}.formula-notes>article{display:grid;grid-template-columns:85px 1fr;gap:22px;padding:22px 0;border-top:1px solid var(--line)}.formula-notes>article>span{color:var(--gold);font:italic 17px var(--serif)}.formula-notes h3{font:500 20px var(--serif);color:var(--jade);margin:0 0 8px}.formula-notes article p{margin:0;max-width:840px}.closing-note{display:grid;grid-template-columns:140px 1fr;gap:35px;align-items:center;background:var(--jade);color:#f7f2e7;padding:45px;margin:0 0 30px}.closing-seal{width:80px;height:80px;display:grid;place-items:center;border:1px solid #c6a76b;color:#d6b777;font:34px 'Noto Serif SC',serif}.closing-note h2{font:500 34px/1.12 var(--serif);color:#faf5e9;margin:13px 0}.closing-note h2 em{color:#dfb173;font-weight:500}.closing-note p{max-width:690px;color:#d6ded5;font-size:11px;line-height:1.85}.closing-note a{font-size:10px;color:#edcb8f;text-decoration:none}
@media(max-width:700px){.guide-hero{padding:48px 0 38px}.guide-hero h1{font-size:54px}.guide-hero>p{font-size:13px}.guide-intro{grid-template-columns:1fr;gap:17px;padding:42px 0}.guide-intro h2,.monographs>h2,.formula-notes>h2{font-size:34px}.key-grid{grid-template-columns:1fr}.monographs{padding:50px 0 30px}.monograph,.monograph.reverse{grid-template-columns:1fr;gap:18px;padding:24px 0}.monograph.reverse .monograph-image,.monograph.reverse .monograph-copy{order:initial}.monograph-image{position:static}.monograph-image img{aspect-ratio:1.2/1}.monograph-copy h3{font-size:25px}.formula-notes>article{grid-template-columns:45px 1fr;gap:10px}.closing-note{grid-template-columns:1fr;gap:21px;padding:25px;margin-bottom:5px}.closing-seal{width:56px;height:56px;font-size:25px}.closing-note h2{font-size:29px}}
/* Paired AI study illustrations and Vietnamese read-aloud controls. */
.monograph-gallery{display:flex;flex-direction:column;gap:10px;padding:10px 10px 0}.monograph-gallery figure,.modal-gallery figure{margin:0;background:#eee9dc}.monograph-gallery img{display:block;width:100%;aspect-ratio:1.5/1;object-fit:cover}.monograph-gallery figcaption,.modal-gallery figcaption{padding:7px 9px;color:#6f6a5f;font:10px var(--serif);text-align:center}.monograph-image>span{line-height:1.6}.monograph-process{margin:18px 0 22px;padding:16px 18px;background:#eee9dd;border-left:2px solid var(--gold)}.monograph-process h4,.processing h4{margin:0 0 10px;color:var(--cinnabar);font:600 9px var(--sans);letter-spacing:.12em;line-height:1.6}.monograph-process ol,.processing ol{margin:0;padding-left:19px}.monograph-process li,.processing li{padding:0 0 7px 3px;color:#565d54;font-size:11px;line-height:1.75}.monograph-process p,.processing p{margin:8px 0 0;color:#6a6d63;font-size:10px;line-height:1.7}.monograph-process a,.processing a{color:var(--cinnabar)}.speak-button{display:inline-flex;align-items:center;gap:7px;border:1px solid #c8b891;background:#f5f0e5;color:var(--jade);padding:7px 10px;font:10px var(--sans);cursor:pointer;transition:background .2s,color .2s,border-color .2s}.speak-button:hover,.speak-button.is-speaking{background:var(--jade);border-color:var(--jade);color:#fff9ea}.speak-button span{letter-spacing:.04em}.monograph-copy>.speak-button{margin-bottom:11px}.speakable>.speak-button{margin:12px 0}.modal-gallery{display:grid;grid-template-columns:1fr 1fr;gap:8px}.modal-gallery img{display:block;width:100%;aspect-ratio:1/1;object-fit:cover}.modal-gallery>small{grid-column:1/-1;color:#777264;font-size:8px;line-height:1.5}.modal-section.processing{background:#e9e3d6}.formula-notes>article>.speak-button{align-self:start}.monograph{scroll-margin-top:90px}
@media(max-width:700px){.monograph-gallery{display:grid;grid-template-columns:1fr 1fr;padding:0}.monograph-gallery img{aspect-ratio:1/1}.monograph-gallery figcaption{font-size:9px}.monograph-image>span{font-size:7px}.monograph-process{padding:13px}.monograph-process li,.processing li{font-size:10px}.speak-button{min-height:34px}.modal-gallery img{aspect-ratio:1/1}}