@import url('https://fonts.googleapis.com/css2?family=DM+Serif+Display:ital@0;1&family=Noto+Serif+SC:wght@400;500;600;700;900&family=Source+Han+Serif+SC:wght@400;500;600;700;900&family=Space+Mono:wght@400;700&display=swap');

:root { --paper:#fffaf5; --canvas:#f8e9e3; --ink:#4c1e31; --muted:#8d6575; --line:#e7cbd0; --rose:#b95878; --wine:#72273f; --lilac:#b899b8; --soft:#f5dde0; --cream:#fff6ef; --shadow:0 26px 70px rgba(96,43,58,.14); --serif:"Noto Serif SC","Source Han Serif SC",Georgia,serif; --sans:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei",sans-serif; --mono:"Space Mono",monospace; }
* { box-sizing:border-box; }
html { background:var(--canvas); scroll-behavior:smooth; }
body { min-width:320px; margin:0; color:var(--ink); background:var(--canvas); font-family:var(--sans); letter-spacing:0; }
button,input,textarea { font:inherit; }
button { cursor:pointer; }
button:focus-visible,input:focus-visible,textarea:focus-visible { outline:3px solid rgba(185,88,120,.38); outline-offset:3px; }
button:disabled { opacity:.42; cursor:not-allowed; transform:none!important; }
[hidden] { display:none!important; }
.topbar { width:min(1240px,calc(100% - 64px)); height:84px; margin:auto; display:flex; align-items:center; justify-content:space-between; gap:20px; }
.brand { display:inline-flex; align-items:center; gap:11px; border:0; padding:0; color:var(--ink); background:transparent; font-family:var(--serif); font-size:18px; font-weight:800; }
.brand-mark { width:32px; height:32px; display:grid; place-items:center; border:1px solid var(--wine); border-radius:50%; color:var(--paper); background:var(--wine); font-family:"DM Serif Display",serif; font-size:18px; }
.edition,.eyebrow { color:var(--muted); font-family:var(--mono); font-size:10px; font-weight:700; letter-spacing:1.65px; }
.topbar nav { display:flex; align-items:center; gap:6px; }
.progress-dot { width:6px; height:6px; border-radius:50%; background:rgba(114,39,63,.2); }.progress-dot.active { background:var(--rose); }
.screen { width:min(1240px,calc(100% - 64px)); margin:auto; }
.hero-screen { min-height:calc(100vh - 84px); display:grid; grid-template-columns:1fr 1fr; align-items:center; gap:70px; padding:52px 0 82px; }
.hero-copy { position:relative; z-index:1; max-width:600px; }.hero-copy .eyebrow { margin:0 0 18px; }.hero-copy h1,.screen-heading h2,.write-top h2 { margin:0; font-family:var(--serif); font-size:clamp(44px,4.65vw,69px); font-weight:900; letter-spacing:0; line-height:1.16; }.hero-lead { max-width:520px; margin:25px 0 30px; color:var(--muted); font-family:var(--serif); font-size:18px; line-height:1.85; }
.opening-form { width:min(100%,550px); padding:21px 23px 18px; border:1px solid rgba(114,39,63,.2); border-radius:2px 26px 2px 2px; background:rgba(255,250,245,.78); box-shadow:var(--shadow); backdrop-filter:blur(8px); }.opening-form label { display:block; color:var(--wine); font-family:var(--serif); font-size:18px; font-weight:700; }.opening-form textarea { width:100%; min-height:76px; margin:9px 0 10px; padding:0; border:0; border-bottom:1px solid var(--line); outline:0; resize:vertical; color:var(--ink); background:transparent; font-family:var(--serif); font-size:19px; line-height:1.7; }.opening-form textarea::placeholder { color:#c49ca9; }.form-foot { display:flex; align-items:center; justify-content:space-between; gap:14px; color:var(--muted); font-size:12px; }
.primary,.secondary { min-height:46px; display:inline-flex; align-items:center; justify-content:center; gap:10px; border:1px solid transparent; border-radius:4px; padding:0 18px; font-size:14px; font-weight:800; transition:transform .18s ease,background .18s ease,border-color .18s ease; }.primary { color:#fffaf7; background:var(--wine); box-shadow:0 5px 0 rgba(93,27,48,.16); }.primary:hover { transform:translateY(-2px); background:#8b304d; }.secondary { border-color:var(--line); color:var(--wine); background:rgba(255,255,255,.45); }.secondary:hover { border-color:var(--rose); background:var(--soft); }.compact { min-height:38px; padding:0 13px; font-size:12px; }
.book-stage { min-height:510px; position:relative; display:grid; place-items:center; overflow:hidden; border:1px solid rgba(114,39,63,.15); border-radius:52% 48% 42% 58% / 52% 44% 56% 48%; background:rgba(255,251,247,.7); box-shadow:var(--shadow); }.book-stage:before { content:""; position:absolute; inset:20px; border:1px dashed rgba(114,39,63,.24); border-radius:inherit; }.petal { position:absolute; background:var(--soft); opacity:.82; }.p-one { width:270px; height:152px; top:-49px; right:-42px; border-radius:100% 0 100% 0; transform:rotate(19deg); }.p-two { width:206px; height:130px; bottom:-40px; left:-37px; border-radius:0 100% 0 100%; transform:rotate(-21deg); }.p-three { width:95px; height:138px; top:71px; left:30px; border-radius:100%; transform:rotate(32deg); background:#ead3dc; }.floral-line { position:absolute; z-index:2; color:var(--rose); font-family:var(--serif); }.flower-left { top:75px; right:58px; font-size:58px; transform:rotate(-18deg); }.flower-right { bottom:68px; left:66px; font-size:45px; }
.open-book { width:min(470px,82%); height:270px; z-index:3; position:relative; display:grid; grid-template-columns:1fr 8px 1fr; transform:rotate(-6deg); animation:book-arrives 950ms cubic-bezier(.2,.8,.2,1) both; }.book-page { position:relative; padding:48px 34px; background:#fffaf5; box-shadow:0 14px 25px rgba(93,45,59,.18); overflow:hidden; font-family:var(--serif); }.left-page { border-radius:4px 0 0 10px; text-align:right; }.right-page { border-radius:0 4px 10px 0; }.book-page span { display:block; color:var(--muted); font-size:14px; }.book-page strong { display:block; margin:4px 0 20px; color:var(--wine); font-size:32px; line-height:1.25; }.book-page i { display:block; width:76%; height:1px; margin:17px 0 0 auto; background:#e6cdd0; }.right-page i { margin-left:0; }.book-spine { background:#e5cad0; box-shadow:inset 0 0 6px rgba(82,31,47,.35); }.stage-note { position:absolute; z-index:3; bottom:25px; color:var(--muted); font-family:var(--serif); font-size:14px; }
@keyframes book-arrives { from { opacity:0; transform:translateY(24px) rotate(-9deg) scale(.92); } to { opacity:1; transform:translateY(0) rotate(-6deg) scale(1); } }

.import-screen,.cards-screen,.format-screen { padding:70px 0 72px; }.screen-heading { width:min(760px,100%); }.screen-heading .eyebrow { margin:0 0 13px; }.screen-heading h2,.write-top h2 { font-size:clamp(34px,3.4vw,49px); }.screen-heading>p:last-child { max-width:650px; margin:18px 0 0; color:var(--muted); font-family:var(--serif); font-size:17px; line-height:1.8; }
.import-layout { display:grid; grid-template-columns:1.12fr .88fr; gap:28px; margin-top:42px; }.import-actions { display:grid; grid-template-columns:1fr 1fr; gap:14px; }.import-option,.paste-box,.source-list,.knowledge-card,.writing-card,.draft-paper { border:1px solid var(--line); background:var(--paper); box-shadow:0 12px 34px rgba(98,48,65,.07); }.import-option { min-height:170px; display:flex; flex-direction:column; align-items:flex-start; justify-content:center; gap:3px; padding:26px; color:var(--ink); text-align:left; }.import-option:hover { border-color:var(--rose); transform:translateY(-2px); }.option-icon { margin-bottom:10px; color:var(--rose); font-family:var(--serif); font-size:34px; }.import-option b { font-family:var(--serif); font-size:21px; }.import-option small { color:var(--muted); font-size:13px; }.paste-box { grid-column:1 / -1; padding:24px; }.paste-box b { font-family:var(--serif); font-size:17px; }.paste-box textarea { width:100%; height:108px; margin:11px 0; padding:12px; border:1px solid var(--line); border-radius:3px; outline:0; resize:vertical; color:var(--ink); background:#fffdf9; line-height:1.7; }.paste-box textarea:focus { border-color:var(--rose); }.text-button,.question-link { border:0; padding:0; color:var(--wine); background:transparent; font-size:13px; font-weight:800; text-decoration:underline; text-underline-offset:4px; }.source-list { padding:24px; min-height:330px; }.source-list-head { display:flex; justify-content:space-between; padding-bottom:15px; border-bottom:1px solid var(--line); color:var(--wine); font-family:var(--serif); font-weight:700; }.source-list-head span:last-child { color:var(--muted); font-family:var(--mono); font-size:11px; }.source-row { display:flex; align-items:center; justify-content:space-between; gap:12px; padding:14px 0; border-bottom:1px solid rgba(231,203,208,.65); }.source-row b { display:block; max-width:260px; overflow:hidden; text-overflow:ellipsis; white-space:nowrap; font-size:13px; }.source-row small { color:var(--muted); font-size:11px; }.source-row button { width:25px; height:25px; border:0; border-radius:50%; color:var(--rose); background:var(--soft); font-size:17px; }.local-note,.empty-state { color:var(--muted); font-family:var(--serif); font-size:13px; line-height:1.75; }.local-note { margin-top:18px; }.screen-action { display:flex; align-items:center; justify-content:space-between; gap:16px; margin-top:34px; }.screen-action>div { display:flex; gap:10px; flex-wrap:wrap; justify-content:flex-end; }

.cards-heading { width:100%; display:flex; align-items:flex-end; justify-content:space-between; gap:30px; }.local-badge { display:inline-flex; align-items:center; min-height:30px; padding:0 10px; border:1px solid var(--line); border-radius:99px; color:var(--muted); background:var(--paper); font-size:11px; white-space:nowrap; }.card-toolbar { display:flex; align-items:center; justify-content:space-between; gap:16px; margin:32px 0 18px; color:var(--muted); font-family:var(--mono); font-size:11px; }.search-box { width:290px; display:flex; align-items:center; gap:8px; padding:0 12px; border:1px solid var(--line); background:var(--paper); color:var(--rose); }.search-box input { width:100%; height:38px; border:0; outline:0; color:var(--ink); background:transparent; }.card-list { display:grid; gap:16px; }.knowledge-card { display:grid; grid-template-columns:74px 1fr; padding:0; overflow:hidden; }.card-number { display:grid; place-items:start center; padding-top:24px; color:var(--rose); background:#faeee9; font-family:var(--mono); font-size:12px; font-weight:700; }.card-main { padding:23px 26px 19px; }.card-title-row { display:flex; align-items:flex-start; justify-content:space-between; gap:18px; }.card-title-row h3,.writing-card h3 { margin:0; font-family:var(--serif); font-size:23px; line-height:1.45; }.pick-card { display:inline-flex; align-items:center; gap:5px; color:var(--muted); font-size:12px; white-space:nowrap; }.pick-card input { accent-color:var(--wine); }.citation { margin:7px 0 13px; color:var(--muted); font-family:var(--mono); font-size:10px; letter-spacing:.3px; }.knowledge-card blockquote,.writing-card blockquote { margin:0 0 17px; padding:12px 16px; border-left:3px solid var(--lilac); color:#6b4756; background:#fbf4f2; font-family:var(--serif); font-size:15px; line-height:1.75; }.response-label { display:block; margin-bottom:7px; color:var(--wine); font-family:var(--serif); font-size:16px; font-weight:700; }.knowledge-card textarea { width:100%; min-height:82px; padding:11px 0; border:0; border-bottom:1px solid var(--line); outline:0; resize:vertical; color:var(--ink); background:transparent; font-family:var(--serif); font-size:16px; line-height:1.7; }.knowledge-card textarea:focus { border-color:var(--rose); }.card-bottom { display:flex; align-items:center; justify-content:space-between; gap:14px; padding-top:11px; color:var(--muted); font-size:12px; }.question { margin:14px 0 0; padding:11px 13px; border:1px solid #e5d6e4; color:#6b4d74; background:#f8f1f8; font-family:var(--serif); font-size:15px; }.question:before { content:"想一想："; color:var(--rose); font-family:var(--sans); font-size:12px; font-weight:800; }

.write-screen { width:min(1380px,calc(100% - 64px)); padding:48px 0 70px; }.write-top { display:flex; align-items:end; justify-content:space-between; gap:20px; max-width:1200px; margin:auto; }.write-top .eyebrow { margin:0 0 8px; }.write-layout { max-width:1200px; display:grid; grid-template-columns:310px 1fr; gap:24px; margin:30px auto 0; align-items:start; }.writing-card { position:sticky; top:18px; padding:23px; min-height:260px; }.writing-card .eyebrow { margin:0 0 10px; }.writing-card h3 { font-size:19px; }.writing-card blockquote { margin-top:13px; font-size:14px; }.my-words { margin-top:18px; padding-top:16px; border-top:1px solid var(--line); }.my-words span { color:var(--rose); font-size:12px; font-weight:800; }.my-words p { margin:7px 0 12px; font-family:var(--serif); line-height:1.8; }.draft-paper { min-height:680px; padding:60px clamp(26px,6vw,85px); background:var(--paper); }.draft-paper label { display:block; color:var(--muted); font-family:var(--mono); font-size:10px; letter-spacing:1.3px; }.draft-paper input { width:100%; margin:10px 0 35px; padding:0 0 15px; border:0; border-bottom:1px solid var(--line); outline:0; color:var(--ink); background:transparent; font-family:var(--serif); font-size:30px; font-weight:700; }.draft-paper textarea { width:100%; min-height:450px; margin-top:13px; border:0; outline:0; resize:vertical; color:var(--ink); background:transparent; font-family:var(--serif); font-size:18px; line-height:2; }.draft-paper textarea::placeholder { color:#c6a7af; }.draft-foot { display:flex; align-items:center; justify-content:space-between; gap:15px; margin-top:12px; color:var(--muted); font-size:12px; }

.format-layout { display:grid; grid-template-columns:255px 1fr; gap:32px; margin-top:38px; align-items:start; }.theme-picks { position:sticky; top:18px; display:grid; gap:9px; }.format-theme { display:flex; flex-direction:column; align-items:flex-start; gap:2px; min-height:62px; padding:12px 14px; border:1px solid var(--line); color:var(--ink); background:rgba(255,250,245,.6); text-align:left; font-family:var(--serif); font-weight:700; }.format-theme span { color:var(--muted); font-family:var(--sans); font-size:11px; font-weight:400; }.format-theme.selected { border-color:var(--wine); color:var(--wine); background:var(--paper); box-shadow:4px 4px 0 var(--soft); }.theme-picks>p { margin:12px 0 0; color:var(--muted); font-size:12px; line-height:1.7; }.article-preview { min-height:550px; padding:48px min(9vw,92px); background:#fffaf7; box-shadow:var(--shadow); }.article-preview header { margin-bottom:33px; padding-bottom:17px; border-bottom:2px solid var(--rose); }.article-preview header span { color:var(--rose); font-family:var(--mono); font-size:10px; letter-spacing:1.7px; }.article-preview h1 { margin:11px 0 0; font-family:var(--serif); font-size:34px; line-height:1.4; }.article-preview p { margin:0 0 16px; color:#452734; font-family:var(--serif); font-size:16px; letter-spacing:.45px; line-height:2; }.article-preview.theme-lavender { background:#fff; }.article-preview.theme-lavender header { border-color:#9b7fd4; }.article-preview.theme-lavender header span { color:#9b7fd4; }.article-preview.theme-lavender h1,.article-preview.theme-lavender p { color:#3d3155; }.article-preview.theme-journal { background:#fdf9f2; }.article-preview.theme-journal header { border-color:#8b5a2b; }.article-preview.theme-journal header span { color:#8b5a2b; }.article-preview.theme-journal h1,.article-preview.theme-journal p { color:#2a2520; font-family:"KaiTi","STKaiti",var(--serif); }.preview-empty { color:var(--muted)!important; }
.toast { position:fixed; right:28px; bottom:28px; z-index:9; max-width:310px; padding:13px 16px; border:1px solid var(--line); color:var(--wine); background:var(--paper); box-shadow:var(--shadow); font-size:13px; }.toast.success { border-color:#a3b997; color:#466641; }
footer { width:min(1240px,calc(100% - 64px)); margin:auto; padding:27px 0; border-top:1px solid var(--line); color:var(--muted); text-align:center; font-family:var(--serif); font-size:12px; } footer span { padding:0 8px; color:var(--rose); }

body.variant-b { --paper:#fffaff; --canvas:#f3ecf4; --ink:#493857; --muted:#7e6b88; --line:#dfcfe3; --rose:#91689d; --wine:#654571; --lilac:#c4afd1; --soft:#e9daed; } body.variant-b .book-stage { border-radius:24px 92px 24px 92px; } body.variant-b .book-stage:before { border-radius:15px 75px 15px 75px; } body.variant-b .open-book { transform:rotate(4deg); } body.variant-b .p-one { background:#e5d3e9; } body.variant-b .p-two { background:#dcc5e4; }
body.variant-c { --paper:#fffaf6; --canvas:#faeee9; --ink:#2b1b24; --muted:#78636a; --line:#e4c9c5; --rose:#ca6875; --wine:#351c29; --lilac:#d7a3ac; --soft:#f3d7d2; } body.variant-c .book-stage { border-radius:0; border-width:2px; } body.variant-c .book-stage:before { border-style:solid; border-radius:0; } body.variant-c .open-book { transform:rotate(0); } body.variant-c .book-page { background:#fffaf5; } body.variant-c .book-page strong { color:var(--rose); }

@media (max-width:900px) { .hero-screen { gap:36px; }.hero-copy h1 { font-size:48px; }.book-stage { min-height:430px; }.open-book { height:230px; }.screen,.write-screen { width:min(100% - 40px,1240px); }.import-layout,.format-layout { grid-template-columns:1fr; }.source-list { min-height:unset; }.theme-picks { position:static; grid-template-columns:repeat(3,1fr); }.theme-picks>p { grid-column:1 / -1; }.write-layout { grid-template-columns:255px 1fr; }.draft-paper { padding:42px 36px; } }
@media (max-width:680px) { .topbar { width:calc(100% - 32px); height:68px; }.edition { display:none; }.screen,.write-screen { width:calc(100% - 32px); }.hero-screen { min-height:unset; grid-template-columns:1fr; padding:31px 0 55px; }.hero-copy h1 { font-size:39px; }.hero-lead { font-size:16px; }.book-stage { min-height:310px; order:-1; }.open-book { width:78%; height:176px; }.book-page { padding:29px 21px; }.book-page strong { font-size:23px; }.flower-left { top:34px; right:35px; font-size:38px; }.flower-right { bottom:37px; left:35px; }.stage-note { bottom:14px; font-size:12px; }.opening-form { padding:17px; }.import-screen,.cards-screen,.format-screen { padding:44px 0 52px; }.screen-heading h2,.write-top h2 { font-size:33px; }.screen-heading>p:last-child { font-size:16px; }.import-actions { grid-template-columns:1fr; }.paste-box { grid-column:auto; }.import-option { min-height:125px; }.cards-heading,.write-top { align-items:flex-start; flex-direction:column; }.card-toolbar { align-items:flex-start; flex-direction:column; }.search-box { width:100%; }.knowledge-card { grid-template-columns:44px 1fr; }.card-number { padding-top:18px; }.card-main { padding:18px 16px; }.card-title-row { gap:10px; flex-direction:column; }.write-layout { grid-template-columns:1fr; }.writing-card { position:static; }.draft-paper { min-height:520px; padding:34px 24px; }.draft-paper input { font-size:26px; }.draft-paper textarea { min-height:310px; font-size:17px; }.screen-action { align-items:stretch; flex-direction:column-reverse; }.screen-action>div { justify-content:stretch; }.screen-action .primary,.screen-action .secondary { flex:1; }.theme-picks { grid-template-columns:1fr; }.article-preview { padding:34px 23px; }.form-foot,.draft-foot { align-items:flex-start; flex-direction:column; }.form-foot .primary,.draft-foot .primary { width:100%; }.toast { right:16px; bottom:16px; left:16px; max-width:none; } footer { width:calc(100% - 32px); } }