:root{color-scheme:light;--ink:#172f43;--blue:#0b4c73;--muted:#566b7a;--line:#d9e3eb;--lime:#c9f52c;font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","PingFang TC","Microsoft YaHei","Microsoft JhengHei",sans-serif;font-size:16px}
*{box-sizing:border-box}body{margin:0;background:#fff;color:var(--ink);line-height:1.85}a{color:var(--blue);text-underline-offset:.18em}button{font:inherit}img{display:block;max-width:100%;height:auto}p{margin:.75em 0}strong{font-weight:650}ul,ol{padding-left:1.4em;margin:.8em 0}li{margin:10px 0}h1,h2,h3,h4{overflow-wrap:break-word}h1{font-size:clamp(1.9rem,3.3vw,2.6rem);line-height:1.28;letter-spacing:-.035em;margin:0;font-weight:750}h2{font-size:1.15rem;line-height:1.55;margin:0;font-weight:650;flex:1}h3{font-size:1.23rem;line-height:1.6;margin:32px 0 17px;color:var(--blue)}h4{font-size:1.05rem;line-height:1.65;margin:0 0 12px;color:var(--blue)}
.skip-link{position:absolute;left:16px;top:-100px;padding:10px;background:white;z-index:3}.skip-link:focus{top:12px}.masthead{display:flex;align-items:center;justify-content:space-between;gap:18px;border-bottom:1px solid var(--line);padding:20px 32px;max-width:1200px;margin:auto}.brand{display:flex;align-items:center;font-size:1.5rem;letter-spacing:-.06em;font-weight:850;color:#103f5c;line-height:1.3}.brand-home>span{font-weight:550}.brand-rule{height:24px;width:1px;background:#cbd6dc;margin:0 20px}.brand-label{font-size:.875rem;font-weight:500;letter-spacing:.035em;color:var(--muted)}.brand-home{display:inline-flex;align-items:center;min-height:44px;padding:6px 8px;margin:-6px -8px;border-radius:6px;color:inherit;text-decoration:none;white-space:nowrap}.brand-home:hover,.brand-home:focus-visible{color:#0866b5;background:#eaf4ff;text-decoration:underline;text-underline-offset:.18em;text-decoration-thickness:1.5px}.brand-home:focus-visible{outline:3px solid #78b6df;outline-offset:3px}
.language-selector{display:inline-flex;align-items:center;gap:4px;padding:4px;border:1px solid #d8e4ee;border-radius:8px;background:#fff;flex-shrink:0;line-height:1.4}.language-selector button{display:inline-flex;align-items:center;justify-content:center;min-height:40px;padding:8px 14px;border:0;border-radius:5px;color:#345f7e;background:transparent;font-size:1rem;font-weight:500;white-space:nowrap;cursor:pointer}.language-selector button:hover{background:#edf4f8}.language-selector button[aria-pressed="true"]{background:#173f5f;color:white}.language-selector button:focus-visible{outline:3px solid #78b6df;outline-offset:3px}
main{max-width:1200px;margin:auto}.hero{display:grid;grid-template-columns:68% 32%;align-items:center;padding:32px 40px;background:linear-gradient(120deg,#eef6fb,#fff 78%);gap:0}.hero-copy{padding:10px 26px 10px 0}.eyebrow{font-size:.875rem;font-weight:700;letter-spacing:.18em;color:#38617c;margin:0 0 14px}.title-line{height:4px;width:58px;background:var(--lime);margin-top:22px}.subtitle{font-size:1.1rem;color:#406680;margin:14px 0 0}.cover{width:100%;max-width:140px;justify-self:center;object-fit:contain}.reading{max-width:1070px;margin:0 auto;padding:0 30px}.guide-intro{padding:23px 0}.audience p{margin:0 0 6px}.audience strong{font-weight:500}.version{font-size:.875rem;color:var(--muted);border-top:1px solid #e5edf2;margin-top:16px;padding-top:12px}.version p{display:inline;margin:0}.version p+p:before{content:" · ";padding:0 5px}
details{border:1px solid var(--line);margin:0 0 16px;border-radius:5px;overflow:hidden;background:white}summary{list-style:none;display:flex;gap:16px;align-items:center;padding:21px 24px;cursor:pointer;background:#f3f7fa;user-select:none}summary::-webkit-details-marker{display:none}summary:hover{background:#eaf2f8}summary:focus-visible{outline:3px solid #1397ca;outline-offset:-3px}details[open]>summary{background:var(--blue);color:white}.section-number{font-size:.875rem;letter-spacing:.06em;font-weight:600;color:#7690a4;font-variant-numeric:tabular-nums}details[open] .section-number{color:#bedde9}.plus{position:relative;flex:0 0 18px;height:18px}.plus:before,.plus:after{content:"";display:block;position:absolute;background:currentColor;top:8px;left:2px;width:14px;height:2px}.plus:after{transform:rotate(90deg)}details[open] .plus:after{transform:rotate(0)}.section-body{padding:26px 28px 30px}.section-body>:first-child,.section-body>:first-child>p:first-child{margin-top:0}.prose>p:first-child{margin-top:0}.prose>p:last-child{margin-bottom:0}
.focus-list{padding:3px 18px;border-left:3px solid #75a1bd;background:#f3f8fb;margin-top:20px}.scene-row{display:grid;grid-template-columns:44% minmax(0,1fr);gap:26px;align-items:center;margin:0 0 27px}.scene{width:100%;aspect-ratio:3/2;object-fit:contain;border-radius:6px}.scene-note{font-size:1.2rem;line-height:1.75;color:#174a68;font-weight:600}.scene-note p{margin:0}.card-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px;margin:20px 0 28px}.card{position:relative;padding:22px;border:1px solid var(--line);border-radius:5px;background:#f8fafc;min-width:0}.card h4{margin:0 0 13px}.card p:last-child,.card ul:last-child{margin-bottom:0}.card-number{font-size:.875rem;line-height:1.5;color:#557c97;display:block;margin-bottom:12px;font-weight:700;letter-spacing:.08em}.nonverbal .card{border-top:3px solid #80aabd}.card .avoid{border-top:1px solid #eed7cb;padding-top:13px;color:#984027}.conversation .card{border-top:3px solid #209096}.conversation .tone-blue{border-top-color:#4085b3}.conversation .tone-yellow{border-top-color:#d6a030}.tone-teal{background:#edf8f7}.tone-blue{background:#edf4fa}.tone-yellow{background:#fff7e2}.tone-red,.avoid-card{background:#fcf0e9;color:#73391f;border-color:#e3beaa}.tone-red h4,.avoid-card h4{color:#8a4027}.note{padding:18px 22px;border-left:3px solid #8eb1c8;margin:21px 0;border-radius:0 4px 4px 0}.note.tone-yellow{border-color:#dca639}.note.tone-red{border-color:#bd6746}.note p:first-child{margin-top:0}.note p:last-child{margin-bottom:0}.equipment-list{margin-bottom:27px}.equipment-list ul{list-style:none;padding:0}.equipment-list li{background:#f2f7f8;border-left:3px solid #60a5a9;padding:13px 17px;margin:10px 0}.equipment-list li:nth-child(even){background:#edf8f5}.say{padding:18px 22px;border-left:3px solid #5289b5;border-radius:0 4px 4px 0}.say p:first-child{margin-top:0}.say p:last-child{margin-bottom:0}.response-step{background:#f7fafc;border-left:3px solid #729db7}.response-step .card-number{background:#0b4c73;color:white;border-radius:50%;width:32px;height:32px;line-height:32px;text-align:center;font-size:.85rem;letter-spacing:0}.avoid-card{margin-top:22px}.parent-stages{display:grid;gap:18px}.parent-stages .card{padding-left:76px}.parent-stages .card-number{position:absolute;left:23px;top:24px;font-size:1rem}.principles{padding:15px 22px;background:#f3f8fb;border-left:3px solid #80a8c1}.principles>p{margin:5px 0}.closing{padding:24px 28px;border-left:4px solid #d6a030;margin-top:28px;border-radius:0 5px 5px 0}.closing h2{color:#674e22;margin-bottom:14px}.closing p:last-child{margin-bottom:0}.references{font-size:.875rem;color:var(--muted);padding-top:4px}.references h3{font-size:1.05rem;margin-top:24px}.references li{margin:9px 0}.foundation-note{background:#edf6f8;color:#23616c;padding:13px 18px;margin:24px 0;font-size:.875rem}.foundation-note p{margin:0}footer{padding:25px 0 35px;border-top:1px solid var(--line);margin-top:26px;display:flex;justify-content:space-between;align-items:center;color:var(--muted);gap:16px;font-size:.875rem}footer strong{font-size:1.1rem;letter-spacing:-.04em;color:var(--blue)}
@media(max-width:900px){.brand-label,.brand-rule{display:none}.hero{padding:28px;grid-template-columns:68% 32%}.hero .cover{max-width:140px}.reading{padding:0 22px}.section-body{padding:23px}.scene-row{grid-template-columns:45% minmax(0,1fr);gap:22px}.scene-note{font-size:1.1rem}.card{padding:18px}}
@media(max-width:760px){.masthead{padding:18px 20px;gap:12px}.hero{grid-template-columns:1fr;gap:22px;padding:24px 20px}.hero-copy{padding:0}.hero h1{font-size:2rem}.hero .cover{max-width:120px}.eyebrow{margin-bottom:10px}.reading{padding:0 16px}.guide-intro{padding:18px 0 22px}summary{padding:18px 16px;gap:12px}h2{font-size:1.07rem}.section-number{display:none}.section-body{padding:20px 16px 24px}.scene-row{grid-template-columns:1fr;gap:16px;margin-bottom:22px}.scene{max-width:520px;justify-self:center}.scene-note{font-size:1.1rem}.card-grid{grid-template-columns:1fr;gap:16px;margin:18px 0 24px}.card{padding:20px}.card-number{margin-bottom:10px}.note,.say{padding:16px}.parent-stages .card{padding-left:20px}.parent-stages .card-number{position:static}.closing{padding:21px}.references{font-size:.875rem}h3{font-size:1.17rem}}
@media(max-width:560px){.masthead{flex-wrap:wrap}.language-selector{width:100%;max-width:360px;margin-left:auto;justify-content:space-between}.language-selector button{flex:1;padding:8px 10px;font-size:.875rem}.version p{display:block}.version p+p:before{content:none}.hero h1{font-size:1.85rem}}
@media(prefers-reduced-motion:no-preference){summary,.brand-home{transition:background-color .15s,color .15s}}
@media print{.masthead,.skip-link{display:none}.hero{padding:0;grid-template-columns:70% 30%;background:none}.hero h1{font-size:24pt}.hero .cover{max-width:120px}.reading{max-width:none;padding:0}.section-body{display:block!important}details::details-content{content-visibility:visible!important;display:block!important}summary{break-after:avoid;background:#edf3f7!important;color:#172f43!important}.plus{display:none}.scene-row{grid-template-columns:30% 1fr}.card-grid{grid-template-columns:1fr 1fr}.card{break-inside:avoid}.note,.closing{break-inside:avoid}h3,h4{break-after:avoid}.section-body{padding:16px}footer{padding:12px 0;margin-top:16px}}

/* Parent Guide: source-colour preparation cards and practical equipment checklist. */
.hero{padding-top:27px;padding-bottom:27px}.hero h1{font-size:clamp(2rem,3.3vw,2.6rem)}.hero-copy{padding-top:4px;padding-bottom:4px}.subtitle{max-width:650px;font-size:1rem}.documents{display:grid;grid-template-columns:minmax(0,1fr) 30%;align-items:start;gap:28px;padding:26px 0 30px}.documents h2{font-size:1.15rem;color:var(--blue)}.documents ul{margin:14px 0 10px}.document-links{display:flex;flex-wrap:wrap;gap:10px;margin-top:18px}.document-link{display:inline-flex;align-items:center;min-height:44px;padding:9px 15px;border:1px solid #a5c5ce;border-radius:5px;background:#eef8f7;color:#14636a;line-height:1.6;font-weight:600;text-decoration:none}.document-link:hover{background:#dceff1;color:#074c57;text-decoration:underline}.document-link:focus-visible,.pickup-link:focus-visible{outline:3px solid #78b6df;outline-offset:3px}.pickup-link{display:inline-block;min-height:44px;padding:7px 0;color:#12636c;font-weight:600}.snow-day{width:100%;height:auto;aspect-ratio:2912/1632;object-fit:contain;border-radius:6px;align-self:center}.card h3{font-size:1.08rem;line-height:1.6;margin:0 0 14px;color:#143d51}.card-grid.guidance{margin:0 0 22px;gap:18px}.guidance .card{border:0;border-left:3px solid #6ca3be;padding:21px 23px}.guidance .tone-teal{border-color:#57a3a5}.guidance .tone-violet{border-color:#a293c2}.guidance .tone-yellow{border-color:#d5a23c}.tone-violet{background:#f2effa}.tone-orange{background:#fff2df}.guidance .card p{margin:0 0 13px}.guidance .card p:last-child{margin-bottom:0}.timing-heading{font-size:1.05rem;margin:27px 0 17px}.arrival-times{display:grid;grid-template-columns:1fr 1fr;gap:18px}.time-card{padding:22px;border-radius:5px}.time-card h4{font-size:1rem;color:#31586b;margin:0 0 12px}.time-card p{margin:0}.time-card strong{display:block;font-size:2.5rem;font-weight:750;line-height:1.3;color:#097aaa;letter-spacing:-.03em}.time-card span{display:block;margin-top:7px;font-size:1rem}.time-card.tone-yellow strong{color:#b65d08}.timing-note{font-size:.94rem;color:var(--muted);margin:17px 0 0}.equipment-scene{width:100%;max-width:520px;height:auto;aspect-ratio:3/2;object-fit:contain;margin:0 auto 25px;border-radius:6px}.equipment-table{border:1px solid var(--line);border-radius:5px;overflow:hidden}.equipment-table table{border-collapse:collapse;width:100%;table-layout:fixed}.equipment-table th,.equipment-table td{padding:17px 18px;border-bottom:1px solid var(--line);vertical-align:top}.equipment-table thead th{background:#153e4d;color:white;text-align:left;font-weight:650}.equipment-table thead th:first-child{width:21%}.equipment-table thead th:last-child{width:80px;text-align:center}.equipment-table tbody th{text-align:left;font-weight:650}.equipment-table tbody tr:nth-child(even){background:#eaf6f2}.equipment-table tbody tr:last-child th,.equipment-table tbody tr:last-child td{border-bottom:0}.equipment-table .check-cell{padding:10px 7px;text-align:center;vertical-align:middle}.check-cell label{display:inline-flex;align-items:center;justify-content:center;width:44px;min-height:44px;cursor:pointer}.check-cell input{width:23px;height:23px;margin:0;accent-color:#087887;cursor:pointer}.check-cell input:focus-visible{outline:3px solid #78b6df;outline-offset:4px}.equipment-table tr:has(input:checked){background:#e0f2e8}.equipment-warning{margin-top:22px}.equipment-warning .card{border:0;border-left:3px solid #cf8933}.equipment-warning h3{color:#a65714}.pickup-overview{display:grid;grid-template-columns:44% minmax(0,1fr);gap:22px;align-items:center;margin:0 0 24px}.return-card{background:#fff6df;padding:23px;border-left:3px solid #d7a136;border-radius:0 4px 4px 0}.return-label{font-weight:650;margin:0;color:#795222}.return-time{margin:0 0 19px;line-height:1.45}.return-time strong{font-size:3.3rem;font-weight:750;letter-spacing:-.04em;color:#b76510;display:block}.return-time span{display:block;margin-top:3px;font-size:1rem;color:#81551b}.return-card h3{font-size:1.1rem;margin:0 0 12px;color:#60491c}.return-card>p:last-child{margin-bottom:0}.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}
@media(max-width:900px){.documents{grid-template-columns:minmax(0,1fr) 29%;gap:22px}.equipment-table th,.equipment-table td{padding:15px}.pickup-overview{grid-template-columns:1fr}.pickup-overview .scene{max-width:500px;justify-self:center}.return-card{display:block}.guidance .card{padding:20px}}
@media(max-width:760px){.hero h1{font-size:2rem}.documents{grid-template-columns:1fr;gap:20px;padding:22px 0}.snow-day{max-width:400px;justify-self:center}.card-grid.guidance{gap:15px}.arrival-times{gap:14px}.time-card{padding:18px}.time-card strong{font-size:2.15rem}.time-card span{font-size:.95rem}.equipment-table{border:0;overflow:visible}.equipment-table table,.equipment-table tbody{display:block;width:100%}.equipment-table thead{position:absolute;width:1px;height:1px;overflow:hidden;clip-path:inset(50%)}.equipment-table tr{display:grid;grid-template-columns:minmax(0,1fr) 54px;border:1px solid var(--line);border-radius:5px;margin-bottom:14px;overflow:hidden;padding:0}.equipment-table tbody th{display:block;grid-column:1;grid-row:1;border:0;padding:14px 16px 2px;font-size:1.02rem;color:#154e5e}.equipment-table td:not(.check-cell){display:block;grid-column:1;grid-row:2;padding:4px 16px 16px;border:0}.equipment-table .check-cell{display:flex;align-items:flex-start;justify-content:center;grid-column:2;grid-row:1/3;padding:8px 4px;border:0}.equipment-warning{margin-top:18px}.return-card{padding:20px}.return-time strong{font-size:2.8rem}footer{align-items:flex-start;flex-direction:column;gap:5px}}
@media(max-width:400px){.arrival-times{grid-template-columns:1fr}.time-card strong{font-size:2.3rem}.document-link{width:100%}}
@media print{.hero{padding:0}.documents{grid-template-columns:1fr 25%}.document-links a{border-color:#78939e}.card-grid.guidance{grid-template-columns:1fr 1fr}.equipment-scene{max-width:300px}.equipment-table table{display:table;font-size:10pt}.equipment-table thead{position:static;width:auto;height:auto;clip-path:none;display:table-header-group}.equipment-table tbody{display:table-row-group}.equipment-table tr{display:table-row;break-inside:avoid}.equipment-table th,.equipment-table td,.equipment-table tbody th,.equipment-table td:not(.check-cell),.equipment-table .check-cell{display:table-cell;width:auto;padding:9px;border-bottom:1px solid var(--line)}.equipment-table thead th:last-child{width:50px}.pickup-overview{grid-template-columns:35% 1fr}.return-card,.time-card{break-inside:avoid}.return-time strong{font-size:2rem}.equipment-warning{break-inside:avoid}}