:root{--background:#FAF6EF;--paper:#FFFDF9;--surface:#fff;--surface-warm:#F6EEE2;--terracotta:#B9543C;--terracotta-dark:#913E2D;--terracotta-soft:#F8E4DB;--forest:#295C4D;--forest-dark:#21483D;--forest-soft:#E6F0E8;--peach:#E9AA93;--peach-soft:#FCEDE5;--butter:#E9C675;--butter-soft:#FBF3DB;--lavender:#A296B8;--lavender-soft:#F0ECF5;--mist-blue:#7697A5;--mist-blue-soft:#EDF3F6;--ink:#302F2B;--body:#4D4A45;--muted:#6B6861;--border:#E8E0D5;--divider:#EEE8DF}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;color:var(--body);background:var(--background);font-family:system-ui,-apple-system,"Microsoft YaHei","PingFang SC",sans-serif;font-size:16px;line-height:1.76}button,input,select,textarea{font:inherit}a{color:var(--forest);text-decoration:none}a:hover{text-decoration:underline}button{cursor:pointer}img{display:block;max-width:100%;height:auto}h1,h2,h3{color:var(--ink);line-height:1.3;letter-spacing:-.025em}h1{font-size:clamp(29px,3.5vw,42px);margin:12px 0 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a{padding:10px 16px;border-radius:10px;color:var(--ink);font-size:15px}.nav a[aria-current],.nav a:hover{background:var(--forest-soft);color:var(--forest-dark);text-decoration:none}.menu-btn,.mobile-bottom{display:none}.eyebrow{font-size:13px;font-weight:750;letter-spacing:.08em;color:var(--terracotta-dark)}.section{margin:72px 0}.section-head{margin-bottom:27px}.section-head p{max-width:640px;color:var(--muted)}.hero{margin:26px 0 70px;display:grid;grid-template-columns:1.05fr 1fr;min-height:370px;border-radius:26px;overflow:hidden;background:var(--surface-warm);border:1px solid var(--border)}.hero-text{padding:65px 55px}.hero h1 em{font-style:normal;color:var(--terracotta);display:block}.hero-text p{max-width:490px}.actions{display:flex;flex-wrap:wrap;gap:12px;margin:23px 0}.btn{border:2px solid var(--forest);border-radius:12px;background:var(--forest);color:white;font-size:15px;font-weight:700;padding:11px 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p{font-size:13px;color:var(--muted)}.stamp{position:absolute;right:14px;top:15px;border:2px dashed #c8aa87;border-radius:7px;padding:7px}.category-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:16px}.category{background:var(--tile);padding:22px;border-radius:19px;color:var(--ink);min-height:210px;transition:transform .2s}.category:hover{transform:translateY(-4px);text-decoration:none}.category h3{margin-top:12px}.category p{font-size:14px;line-height:1.7;margin:0}.cat-visual{height:57px;display:flex;align-items:center;position:relative}.cat-visual img{width:56px;height:56px;object-fit:cover;border-radius:50%;margin-right:8px}.cat-visual span{font-size:30px}.notes-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:16px}.note{padding:23px 20px;min-height:215px;background:#f9e7cf;border:1px solid #e9d5bd;border-radius:5px;transform:rotate(-1deg);color:var(--ink);box-shadow:2px 4px 0 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var(--border);border-radius:24px;min-height:260px;padding:40px;display:flex;flex-wrap:wrap;gap:25px;justify-content:center;align-items:center;background:radial-gradient(circle at 50% 40%,#f2e1cc,transparent 44%),#f9f8f2}.interest-map a{padding:13px 21px;border-radius:45px;background:white;border:1px solid var(--border);box-shadow:0 5px 15px #3b322514;font-weight:700}.interest-map a:nth-child(2n){transform:translateY(18px)}.interest-map a:nth-child(3n){transform:translateY(-20px)}.two-features{display:grid;grid-template-columns:1fr 1fr;gap:22px}.feature-box{border-radius:22px;padding:38px;min-height:370px;position:relative;overflow:hidden}.feature-box.purple{background:var(--lavender-soft)}.feature-box.pale{background:var(--forest-soft)}.feature-box p{max-width:400px}.feature-box img{width:180px;height:120px;object-fit:cover;border-radius:15px;margin:15px 0 0 auto}.small-link{font-weight:750;font-size:14px}.midnight{background:var(--forest-dark);color:#f9f5e9;padding:46px 55px;display:flex;justify-content:space-between;border-radius:22px;align-items:center}.midnight h2{color:white}.midnight p{max-width:480px}.midnight a{color:#f5dbac;font-weight:750}.midnight .eyebrow{color:#f1c88a}.moon{font-size:140px;line-height:1;color:#e9c675}.room-preview{display:grid;grid-template-columns:repeat(4,1fr);gap:15px}.room-preview a{display:grid;gap:8px;background:white;padding:23px;border:1px solid var(--border);border-radius:18px}.room-preview span{font-size:29px}.room-preview small{color:var(--muted)}.editorial{display:grid;grid-template-columns:1fr 1fr;gap:45px;align-items:center}.editorial>div{padding:30px 36px;background:#f2eade;border-radius:18px}.editorial img{border-radius:12px;width:100%;max-height:190px;object-fit:cover;margin-bottom:14px}.finish{text-align:center;padding:45px 20px 60px;background:var(--butter-soft);border-radius:22px}.finish .actions{justify-content:center}.footer{background:#eee9de;margin-top:80px;border-top:1px solid var(--border)}.footer-inner{padding:32px 0;display:flex;justify-content:space-between;gap:25px}.footer-inner p{font-size:14px;margin:6px 0}.footer-inner div:last-child{display:flex;gap:20px;align-items:center}.page-lead{padding:60px 0 33px;border-bottom:1px solid var(--border);margin-bottom:35px}.page-lead p{max-width:760px;font-size:17px;color:var(--muted)}.page-lead.compact{padding-top:28px}.back{font-size:14px}.content-layout{display:grid;grid-template-columns:195px minmax(0,1fr) 240px;gap:27px;align-items:start}.sidebar,.side-note{position:sticky;top:102px}.sidebar{background:var(--paper);padding:18px 12px;border-radius:15px;border:1px solid var(--border)}.sidebar b{display:block;padding:8px 10px;color:var(--forest)}.sidebar a{display:block;padding:9px 10px;border-radius:9px;font-size:14px;color:var(--body)}.sidebar a[aria-current],.sidebar a:hover{background:var(--forest-soft);text-decoration:none;color:var(--forest-dark)}.side-note{background:var(--butter-soft);border-radius:17px;padding:24px}.side-note span{color:var(--terracotta-dark);font-weight:700}.side-note p{font-size:14px}.results-heading{display:flex;justify-content:space-between;align-items:center;gap:15px;margin-bottom:20px}.results-heading h2{margin:0}.results-heading span{font-size:14px;color:var(--muted)}.topic-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:15px}.subject{background:white;border:1px solid var(--border);border-radius:18px;padding:23px;min-width:0}.subject p{font-size:14px}.question{padding:13px;background:var(--background);border-radius:10px;font-size:14px;color:var(--forest-dark);margin-bottom:16px}.pagination{display:flex;flex-wrap:wrap;gap:9px;justify-content:center;margin:30px 0}.pagination a{width:42px;height:42px;display:grid;place-items:center;border:1px solid var(--border);border-radius:11px;background:white}.pagination a[aria-current]{background:var(--forest);color:white}.room-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px}.room{background:var(--tile);border-radius:20px;padding:30px;position:relative}.room-emoji{font-size:42px}.room-state{font-size:13px;color:#725b45;position:absolute;right:25px;top:25px}.room-state.open{color:var(--forest)}.room-rule{background:#ffffffa8;padding:16px;border-radius:11px;margin:18px 0}.room-rule p{margin:4px 0 0}.room-guideline{font-size:14px;color:var(--muted)}.disabled-action{display:inline-block;color:#6b6861;background:#fff8;padding:11px 15px;border:1px solid #ddd1c3;border-radius:11px;font-size:14px}.chat-layout{display:grid;grid-template-columns:205px minmax(0,1fr) 215px;gap:20px;align-items:start}.chat-aside{background:white;border:1px solid var(--border);border-radius:15px;padding:20px;font-size:14px}.chat-aside h2{font-size:18px}.chat-aside ul{padding-left:18px}.prompt{padding:12px;background:var(--butter-soft);border-radius:10px}.chat-panel{background:white;border-radius:18px;border:1px solid var(--border);overflow:hidden}.chat-status{display:flex;justify-content:space-between;gap:10px;padding:17px 20px;border-bottom:1px solid var(--border)}.chat-status span{font-size:13px;color:var(--forest)}.closed-chat{text-align:center;padding:70px 22px;min-height:370px}.closed-chat span{font-size:45px}.chat-messages{height:400px;overflow:auto;padding:20px;display:flex;flex-direction:column;gap:14px}.empty-chat{color:var(--muted);text-align:center;padding-top:70px}.message{max-width:88%;background:var(--forest-soft);border-radius:13px;padding:10px 14px;overflow-wrap:anywhere;align-self:flex-start}.message.mine{background:var(--terracotta-soft);align-self:flex-end}.message header{display:flex;justify-content:space-between;gap:16px;font-size:12px;color:var(--muted)}.message p{margin:4px 0 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var(--forest);border-radius:8px;background:white;color:var(--forest);white-space:nowrap;padding:7px}.random-question{background:var(--butter-soft);border-radius:19px;padding:30px 35px;display:flex;align-items:center;justify-content:space-between;gap:25px}.random-question p{font-size:24px;max-width:530px;color:var(--ink);font-weight:700;margin:12px 0}.random-question span{font-size:13px;color:var(--terracotta-dark)}.knowledge-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px}.knowledge{background:white;border:1px solid var(--border);padding:25px;border-radius:17px}.knowledge>span{color:var(--terracotta);font-weight:800}.knowledge ul{padding-left:20px;font-size:14px}.chip-row{display:flex;flex-wrap:wrap;gap:11px}.chip-row a{padding:9px 16px;background:white;border:1px solid var(--border);border-radius:30px}.search-form{display:flex;gap:11px;align-items:center;background:var(--paper);padding:17px;border-radius:15px;border:1px solid var(--border)}.search-form input{flex:1;min-width:0}.search-form input,.search-form select{padding:12px 14px;border:1px solid #bdb7aa;border-radius:9px;background:white}.search-results{max-width:900px;margin-left:auto;margin-right:auto}.search-result{background:white;padding:22px;margin:13px 0;border:1px solid var(--border);border-radius:13px}.search-result p{margin:0}.empty{text-align:center;padding:80px 15px;background:white;border:1px solid var(--border);border-radius:18px}.about-layout{display:grid;grid-template-columns:205px minmax(0,1fr);gap:40px}.about-index{align-self:start;position:sticky;top:100px;display:grid;gap:7px}.about-index a{padding:9px 13px;border-left:3px solid #d7bc9f;background:var(--paper)}.about-body section{background:white;padding:32px;margin-bottom:18px;border-radius:17px;border:1px solid var(--border)}.about-body details{border-top:1px solid var(--border);padding:15px 0}.about-body summary{cursor:pointer;font-weight:700}.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}a:focus-visible,button:focus-visible,input:focus-visible,textarea:focus-visible,select:focus-visible{outline:3px solid var(--terracotta);outline-offset:3px}
@media(max-width:1100px){.content-layout{grid-template-columns:175px minmax(0,1fr)}.side-note{display:none}.chat-layout{grid-template-columns:190px minmax(0,1fr)}.prompt-aside{display:none}.notes-grid{grid-template-columns:repeat(3,1fr)}.nav a{padding:10px}.hero-text{padding:42px 33px}}
@media(max-width:760px){body{font-size:16px;padding-bottom:64px}.wrap{width:calc(100% - 34px)}.top-inner{min-height:68px}.menu-btn{display:block;border:1px solid var(--border);border-radius:10px;background:white;padding:9px}.nav{display:none;position:absolute;top:68px;left:0;right:0;background:var(--paper);padding:12px 18px;box-shadow:0 10px 20px #0002;flex-direction:column;align-items:stretch}.nav.show{display:flex}.mobile-bottom{display:flex;position:fixed;z-index:25;bottom:0;left:0;right:0;height:58px;background:var(--paper);box-shadow:0 -2px 10px #0001;justify-content:space-around;align-items:center;font-size:13px}.hero{grid-template-columns:1fr;margin:18px 0 46px}.hero-text{padding:35px 23px}.hero-visual{min-height:255px}.postcard{min-height:190px;padding:22px}.postcard b{font-size:20px}.section{margin:51px 0}.category-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:11px}.category{padding:17px;min-height:205px}.category h3{font-size:17px}.notes-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:13px}.note{min-height:180px;padding:16px}.note h3{font-size:17px}.feature-split,.feature-split.reverse,.two-features,.editorial{grid-template-columns:1fr;gap:20px}.feature-split.reverse .feature-media{order:0}.feature-media{min-height:225px}.interest-map{padding:35px 20px;gap:13px}.interest-map a:nth-child(n){transform:none}.feature-box{padding:26px;min-height:270px}.midnight{padding:30px 24px}.moon{font-size:65px}.room-preview{grid-template-columns:repeat(2,1fr)}.page-lead{padding:36px 0 20px}.content-layout{display:block}.sidebar{position:static;display:flex;overflow-x:auto;white-space:nowrap;gap:7px;margin-bottom:22px}.sidebar b{display:none}.sidebar a{flex-shrink:0}.topic-grid,.room-grid,.knowledge-grid{grid-template-columns:1fr}.chat-layout{display:block}.chat-aside{margin:10px 0}.chat-panel{margin:15px 0}.chat-messages{height:350px}.random-question{display:block;padding:25px}.random-question p{font-size:20px}.search-form{flex-wrap:wrap}.search-form input{flex-basis:100%}.search-form select{flex:1}.about-layout{display:block}.about-index{position:static;display:flex;flex-wrap:wrap;margin-bottom:20px}.about-body section{padding:24px}.footer-inner{display:block}.footer-inner div:last-child{flex-wrap:wrap}.finish{padding:30px 16px}.copy-line{align-items:flex-start;flex-direction:column}}
@media(max-width:370px){.category-grid{grid-template-columns:1fr 1fr}.category{padding:13px}.category p{font-size:13px}.room-preview{grid-template-columns:1fr}.notes-grid{grid-template-columns:1fr}.chat-controls form{flex-direction:column}.nick-row{flex-wrap:wrap}}
@media(prefers-reduced-motion:reduce){*{scroll-behavior:auto!important;transition:none!important}}

.subject-image{width:100%;height:145px;object-fit:cover;border-radius:12px;margin-bottom:15px}.room-image{width:100%;height:145px;object-fit:cover;border-radius:12px;margin-bottom:14px}