:root{--bg:#fbf2e8;--bg-strong:#f3dfc8;--ink:#2c1b12;--muted:#7b614d;--line:rgba(82,50,30,0.12);--card:#fffaf2;--accent:#b65d42;--accent-2:#e4aa53;--green:#586b46;--shadow:0 24px 80px rgba(74,42,22,0.13)}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;min-height:100vh;color:var(--ink);background:radial-gradient(circle at 20% 5%,rgba(235,191,125,.32),transparent 28rem),radial-gradient(circle at 86% 0,rgba(182,93,66,.16),transparent 24rem),linear-gradient(180deg,#fff7ed 0,var(--bg) 42%,#f7ead8 100%);font-family:ui-sans-serif,-apple-system,BlinkMacSystemFont,Segoe UI,PingFang SC,Hiragino Sans GB,Microsoft YaHei,Arial,sans-serif}button,input,textarea{font:inherit}button{cursor:pointer}a{color:inherit}.shell{width:min(1120px,100%);margin:0 auto;padding:28px 18px 48px}.nav{display:flex;justify-content:space-between;gap:16px;margin-bottom:32px}.brand,.nav{align-items:center}.brand{display:inline-flex;gap:10px;font-weight:800;letter-spacing:-.02em;text-decoration:none}.brand-mark{display:grid;place-items:center;width:38px;height:38px;border-radius:14px;background:linear-gradient(135deg,#3a2418,#8b4a31);color:#fff7ed;box-shadow:0 12px 28px rgba(84,46,26,.2)}.nav-actions{display:flex;align-items:center;gap:10px}.nav-pill{display:inline-flex;align-items:center;padding:9px 14px;border:1px solid var(--line);border-radius:999px;color:var(--muted);background:rgba(255,255,255,.45);-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);font-size:13px;white-space:nowrap;text-decoration:none}.hero{display:grid;grid-template-columns:minmax(0,1.05fr) minmax(340px,.95fr);grid-gap:30px;gap:30px;align-items:start}.hero-copy{padding-top:28px}.badge{display:inline-flex;align-items:center;gap:8px;padding:8px 12px;border-radius:999px;color:#7c3a22;background:rgba(255,255,255,.55);border:1px solid rgba(182,93,66,.16);box-shadow:0 8px 30px rgba(74,42,22,.07);font-size:13px}h1{margin:18px 0 14px;font-size:clamp(42px,8vw,84px);line-height:.98;letter-spacing:-.075em}.title-accent{display:block;color:var(--accent)}.subtitle{margin:0;max-width:650px;color:var(--muted);font-size:clamp(16px,2.2vw,20px);line-height:1.8}.search-panel{margin-top:26px;padding:14px;background:rgba(255,255,255,.64);border:1px solid rgba(96,55,31,.12);border-radius:28px;box-shadow:var(--shadow);-webkit-backdrop-filter:blur(18px);backdrop-filter:blur(18px)}textarea{width:100%;min-height:118px;resize:vertical;border:0;outline:none;border-radius:22px;padding:18px;background:#fffaf5;color:var(--ink);box-shadow:inset 0 0 0 1px rgba(82,50,30,.08);line-height:1.7;font-size:17px}textarea::placeholder{color:rgba(123,97,77,.72)}.search-actions{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-top:12px}.ghost-btn,.primary-btn,.secondary-btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border:0;border-radius:999px;transition:transform .16s ease,box-shadow .16s ease,background .16s ease}.primary-btn{padding:13px 18px;min-width:136px;color:#fff8ef;background:linear-gradient(135deg,#3a2418,#a45438 70%,#d99345);box-shadow:0 16px 36px rgba(120,59,35,.24);font-weight:700}.ghost-btn:hover,.primary-btn:hover,.secondary-btn:hover{transform:translateY(-1px)}.ghost-btn:disabled,.primary-btn:disabled,.secondary-btn:disabled{opacity:.68;cursor:not-allowed;transform:none}.hint{color:var(--muted);font-size:13px}.examples{display:flex;flex-wrap:wrap;gap:9px;margin-top:16px}.example-chip{border:1px solid rgba(82,50,30,.1);border-radius:999px;padding:8px 12px;color:#674833;background:rgba(255,255,255,.62);font-size:13px}.example-chip:hover{background:#fff}.hot-strip{margin-top:18px;padding:16px;border:1px solid var(--line);border-radius:24px;background:rgba(255,255,255,.54)}.hot-strip-title{color:#5c3925;font-size:14px;font-weight:900;margin-bottom:12px}.hot-strip-list{display:flex;flex-wrap:wrap;gap:9px}.hot-chip{display:inline-flex;align-items:center;gap:7px;padding:8px 12px;border-radius:999px;color:#674833;background:rgba(255,255,255,.72);border:1px solid rgba(82,50,30,.1);font-size:13px;text-decoration:none}.hot-chip span{display:grid;place-items:center;width:20px;height:20px;border-radius:999px;background:rgba(182,93,66,.12);color:var(--accent);font-size:11px;font-weight:900}.preview-stack{position:-webkit-sticky;position:sticky;top:20px;min-height:600px}.phone-frame{width:min(100%,430px);margin-left:auto;padding:12px;border-radius:42px;background:linear-gradient(145deg,rgba(71,43,27,.96),rgba(132,73,41,.88));box-shadow:0 34px 90px rgba(74,42,22,.24)}.phone-screen{overflow:hidden;border-radius:33px;background:#fff7ed;border:1px solid rgba(255,255,255,.36)}.section-title{display:flex;align-items:end;justify-content:space-between;gap:16px;margin:44px 0 16px}.section-title h2{margin:0;font-size:clamp(24px,3vw,34px);letter-spacing:-.04em}.section-title p{margin:0;color:var(--muted);font-size:14px}.results{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));grid-gap:18px;gap:18px}.result-link{display:block;text-decoration:none}.result-card{display:flex;flex-direction:column;gap:12px}.single-result{width:min(430px,100%)}.share-card{position:relative;isolation:isolate;width:100%;aspect-ratio:3/4;overflow:hidden;border-radius:30px;padding:12px;background:radial-gradient(circle at 88% 10%,rgba(190,126,72,.26),transparent 28%),radial-gradient(circle at 8% 92%,rgba(88,107,70,.16),transparent 30%),linear-gradient(145deg,#ead4b6,#f8ead7 46%,#e8c7a5);box-shadow:0 28px 70px rgba(84,48,28,.18);border:1px solid rgba(82,50,30,.14)}.share-card:before{content:"";position:absolute;inset:-34% auto auto -24%;width:76%;aspect-ratio:1;border-radius:50%;border:1px solid rgba(110,72,45,.14);box-shadow:0 0 0 24px rgba(255,255,255,.06),0 0 0 48px rgba(110,72,45,.035);pointer-events:none}.share-card-inner{position:relative;z-index:1;height:100%;padding:24px;border-radius:22px;background:linear-gradient(180deg,rgba(255,252,246,.93),rgba(255,247,236,.84));border:1px solid rgba(82,50,30,.13);display:flex;flex-direction:column;overflow:hidden;box-shadow:inset 0 0 0 1px rgba(255,255,255,.55)}.share-card-inner:before{content:"";position:absolute;inset:12px;border:1px solid rgba(88,107,70,.15);border-radius:17px;pointer-events:none}.share-card-inner:after{content:"古";position:absolute;right:-13px;bottom:-40px;color:rgba(139,74,49,.055);font-family:Songti SC,STSong,serif;font-size:150px;line-height:1;pointer-events:none}.card-kicker{position:relative;z-index:1;display:inline-flex;align-items:center;width:-moz-fit-content;width:fit-content;min-height:30px;padding:7px 12px 7px 10px;border-radius:999px;background:#493025;color:#fff8ee;box-shadow:0 8px 20px rgba(73,48,37,.16);font-size:12px;font-weight:900;letter-spacing:.12em}.card-kicker:before{content:"古";display:grid;place-items:center;width:18px;height:18px;margin-right:7px;border-radius:6px;color:#6d3526;background:#f4d7aa;font-family:Songti SC,STSong,serif;font-size:12px;letter-spacing:0}.card-kicker:after{content:" · 现代话，古人早就说过";color:rgba(255,248,238,.72);font-weight:700;letter-spacing:0}.persona-line{margin-top:14px;color:var(--accent);font-size:19px;font-weight:900;line-height:1.35;letter-spacing:-.02em}.persona-slogan{margin-top:7px;color:#7b614d;font-size:12px;line-height:1.55}.modern-line{position:relative;z-index:1;margin-top:20px;padding:12px 14px;border-left:3px solid #b65d42;border-radius:4px 16px 16px 4px;color:#704833;background:rgba(182,93,66,.075);font-size:14px;line-height:1.55;display:-webkit-box;-webkit-box-orient:vertical;-webkit-line-clamp:2;overflow:hidden}.modern-line .knowledge-label{color:rgba(112,72,51,.64)}.quote-line{position:relative;z-index:1;margin:32px 0 12px;padding:0 4px;color:#2f2018;font-family:Songti SC,STSong,"Noto Serif SC",serif;font-size:clamp(26px,6.2vw,40px);font-weight:700;line-height:1.34;letter-spacing:.035em;text-wrap:balance;display:-webkit-box;-webkit-box-orient:vertical;-webkit-line-clamp:4;overflow:hidden}.quote-line:before{content:"“";position:absolute;left:-12px;top:-34px;color:rgba(182,93,66,.18);font-family:Georgia,serif;font-size:82px;line-height:1;font-weight:400}.source-line{position:relative;z-index:1;align-self:flex-end;max-width:92%;color:#6c4b35;font-weight:800;font-size:13px;text-align:right;line-height:1.5}.card-spacer{flex:1 1;min-height:12px}.explain-line{padding:12px 14px;color:#735848;background:rgba(255,255,255,.55);border:1px solid rgba(82,50,30,.08);font-size:12px;line-height:1.65;display:-webkit-box;-webkit-box-orient:vertical;-webkit-line-clamp:3;overflow:hidden}.explain-line,.tags{position:relative;z-index:1}.tags{display:flex;flex-wrap:wrap;gap:6px;margin-top:10px}.tag{padding:5px 8px;border-radius:999px;background:rgba(182,93,66,.095);color:#8b432f;border:1px solid rgba(182,93,66,.08)}.tag,.watermark{font-size:10px;font-weight:800}.watermark{position:relative;z-index:1;display:flex;align-items:center;justify-content:space-between;gap:8px;margin-top:12px;padding-top:10px;border-top:1px solid rgba(82,50,30,.09);color:rgba(44,27,18,.55);letter-spacing:.06em}.watermark:after{content:"真实原句 · 真实出处";color:rgba(88,107,70,.82);letter-spacing:0}.card-actions{display:flex;gap:9px;flex-wrap:wrap}.ghost-btn,.secondary-btn{flex:1 1 110px;padding:11px 12px;font-weight:700;font-size:13px}.secondary-btn{color:#fff8ef;background:#3a2418}.ghost-btn{color:#593721;background:rgba(255,255,255,.72);border:1px solid var(--line)}.share-notice{padding:11px 13px;border-radius:16px;color:#71462d;border:1px solid rgba(182,93,66,.14);font-size:13px;line-height:1.65}.share-notice,.share-preview{background:rgba(255,250,242,.76)}.share-preview{padding:12px;border-radius:20px;border:1px solid var(--line)}.share-preview img{display:block;width:100%;border-radius:16px;box-shadow:0 12px 30px rgba(74,42,22,.12)}.share-preview span{display:block;margin-top:9px;color:var(--muted);font-size:12px;line-height:1.6}.source-detail{border-radius:18px;background:rgba(255,250,242,.66);border:1px solid var(--line);overflow:hidden}.source-detail summary{cursor:pointer;padding:13px 15px;color:#5c3925;font-weight:800;font-size:14px;list-style-position:inside}.source-detail-body{padding:0 15px 15px;color:var(--muted);font-size:13px;line-height:1.8}.source-detail-body strong{display:block;color:var(--ink);margin-bottom:8px}.source-detail-body p{margin:0;max-height:220px;overflow:auto;white-space:pre-wrap}.empty-state{margin:18px 0;padding:18px;border-radius:22px;background:rgba(255,255,255,.6);color:var(--muted)}.empty-state,.query-hero{border:1px solid var(--line)}.query-hero{margin:12px 0 26px;padding:24px;border-radius:28px;background:rgba(255,255,255,.52)}.query-hero h1{max-width:850px;margin-bottom:12px;font-size:clamp(34px,6vw,72px)}.query-hero p{margin:0;color:var(--muted);font-size:18px;line-height:1.7}.hot-title h1{font-size:clamp(34px,6vw,68px)}.hot-ranking{display:grid;grid-gap:10px;gap:10px}.hot-rank-row{display:grid;grid-template-columns:48px 1fr auto;align-items:center;grid-gap:12px;gap:12px;padding:14px 16px;border-radius:20px;background:rgba(255,255,255,.58);border:1px solid var(--line);text-decoration:none}.hot-rank-row:hover{background:rgba(255,255,255,.86)}.hot-rank-index{display:grid;place-items:center;width:34px;height:34px;border-radius:999px;color:#fff8ef;background:#3a2418;font-weight:900}.hot-rank-query{font-size:18px;font-weight:900}.hot-rank-count{color:var(--muted);font-size:13px}.related-searches,.tech-grid{margin-top:42px}.tech-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));grid-gap:14px;gap:14px}.tech-item{padding:18px;border:1px solid var(--line);border-radius:22px;background:rgba(255,255,255,.5)}.tech-item strong{display:block;margin-bottom:8px}.tech-item span{color:var(--muted);font-size:13px;line-height:1.65}@media (max-width:920px){.hero{grid-template-columns:1fr}.preview-stack{position:static;min-height:auto}.phone-frame{margin:0 auto;width:min(430px,100%)}.results,.tech-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}@media (max-width:640px){.shell{padding:20px 12px 36px}.nav{align-items:flex-start;margin-bottom:18px}.nav-pill{display:none}.hero-copy{padding-top:6px}h1{font-size:48px;letter-spacing:-.065em}.subtitle{font-size:15px;line-height:1.75}.search-panel{border-radius:24px}.search-actions{align-items:stretch;flex-direction:column}.primary-btn{width:100%}.hot-rank-row{grid-template-columns:40px 1fr}.hot-rank-count{grid-column:2}.results,.tech-grid{grid-template-columns:1fr}.share-card-inner{padding:20px}.card-kicker:after{content:" · 现代话 × 古诗文"}.modern-line{margin-top:16px}.quote-line{margin-top:28px;font-size:29px}.persona-line{font-size:18px}}.knowledge-label{display:block;margin-bottom:4px;color:rgba(123,97,77,.76);font-size:11px;font-weight:900;letter-spacing:.06em}.modern-line{font-weight:800}.explain-line .knowledge-label,.source-line .knowledge-label{margin-bottom:6px}.explain-line{padding:10px 11px;border-radius:16px;background:rgba(182,93,66,.07)}.return-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));grid-gap:12px;gap:12px;margin-top:18px}.return-panel{min-height:155px;padding:14px;border-radius:22px;background:rgba(255,255,255,.54);border:1px solid rgba(82,50,30,.12)}.return-panel-head{display:flex;align-items:center;justify-content:space-between;gap:10px;margin-bottom:10px}.return-panel-head strong{color:#5c3925;font-size:14px}.return-panel-head a,.return-panel-head button{border:0;padding:0;color:var(--accent);background:transparent;font-size:12px;font-weight:800;text-decoration:none}.favorite-list,.return-list{display:flex;flex-direction:column;gap:8px}.favorite-item,.return-item{display:flex;align-items:center;gap:8px;min-width:0;padding:8px 10px;border-radius:14px;color:#674833;background:rgba(255,255,255,.62);border:1px solid rgba(82,50,30,.08);font-size:13px;font-weight:800;text-decoration:none}.return-item span{display:grid;place-items:center;flex:0 0 auto;width:21px;height:21px;border-radius:999px;background:rgba(182,93,66,.12);color:var(--accent);font-size:11px;font-weight:900}.return-button{width:100%;text-align:left;cursor:pointer}.favorite-item{align-items:flex-start;flex-direction:column;gap:4px}.favorite-item strong{color:#3a2418}.favorite-item span,.favorite-item strong{width:100%;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.favorite-item span{color:var(--muted);font-size:12px}.return-empty{margin:0;color:var(--muted)}.match-reason,.return-empty{font-size:13px;line-height:1.65}.match-reason{padding:11px 13px;border-radius:16px;color:#71462d;background:rgba(255,250,242,.76);border:1px solid rgba(182,93,66,.14)}.match-reason strong{display:block;margin-bottom:5px;color:#5c3925}.match-reason span{color:var(--muted)}.copy-row,.feedback-row{display:flex;flex-wrap:wrap;gap:8px;align-items:center}.copy-row button,.feedback-row button{border:1px solid rgba(82,50,30,.12);border-radius:999px;padding:8px 10px;color:#674833;background:rgba(255,255,255,.62);font-size:12px;font-weight:800}.copy-row button:hover,.favorite-item:hover,.feedback-row button:hover,.return-item:hover{background:#fff}.copy-row button:disabled,.feedback-row button:disabled{opacity:.6;cursor:not-allowed}.feedback-row span{color:var(--muted);font-size:12px;font-weight:800}.chengyu-hero{grid-template-columns:minmax(0,820px);justify-content:center}.chengyu-results{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));grid-gap:18px;gap:18px}.chengyu-card{gap:14px}.chengyu-card-main{display:grid;grid-gap:12px;gap:12px}.chengyu-query-line strong{display:block;color:#332016;font-family:var(--font-serif);font-size:clamp(40px,6vw,68px);line-height:1.05;letter-spacing:.05em}.chengyu-query-line em{display:block;margin-top:8px;color:var(--muted);font-style:normal;font-weight:800}.chengyu-example,.chengyu-meaning,.chengyu-note{margin:0;padding:12px 14px;border-radius:18px;color:#674833;background:rgba(182,93,66,.07);line-height:1.72;font-weight:700}.chengyu-example{background:rgba(255,255,255,.62);border:1px solid rgba(82,50,30,.08)}.chengyu-note{color:#8b4b33;background:rgba(255,231,213,.68)}.chengyu-meta{display:flex;flex-wrap:wrap;gap:8px}.chengyu-meta span{border-radius:999px;padding:7px 10px;color:#9a553f;background:rgba(182,93,66,.11);font-size:12px;font-weight:900}.chengyu-related{display:grid;grid-gap:6px;gap:6px;color:var(--muted);font-size:13px;line-height:1.65}.chengyu-related p{margin:0}.chengyu-related strong{color:#5c3925}@media (max-width:920px){.return-grid{grid-template-columns:1fr}.return-panel{min-height:auto}.chengyu-results{grid-template-columns:1fr}}@media (max-width:640px){.nav{flex-wrap:wrap;gap:12px}.nav-actions{width:100%;overflow-x:auto;padding-bottom:2px;-webkit-overflow-scrolling:touch}.nav-pill{display:inline-flex;flex:0 0 auto;padding:8px 11px;font-size:12px}.copy-row button,.feedback-row button{flex:1 1 96px}.feedback-row span{width:100%}}.share-card{padding:13px;container-name:share-card;container-type:inline-size}.share-card:before{inset:-28% auto auto -16%;width:60%;opacity:.18;z-index:0}.share-card .share-card-inner{padding:17px 15px 13px;gap:0;min-height:0}.share-card .share-card-inner:before{z-index:0;opacity:.72}.share-card .share-card-inner:after{content:none}.share-card .share-card-inner>*{position:relative;z-index:1;min-width:0}.share-card .card-kicker{max-width:100%;min-height:25px;padding:5px 9px 5px 8px;line-height:1.2;flex-wrap:nowrap;font-size:10px;overflow:hidden;white-space:nowrap;text-overflow:ellipsis}.share-card .card-kicker:before{width:15px;height:15px;margin-right:6px;font-size:9px;flex:0 0 auto}.share-card .card-kicker:after{content:" · 现代话，古人早就说过";white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.share-card .knowledge-label{display:block;margin-bottom:5px;color:rgba(112,72,51,.62);font-size:10px;font-weight:800;line-height:1.2}.share-card .explain-line,.share-card .hook-line,.share-card .modern-line,.share-card .quote-block,.share-card .source-line{width:100%;min-width:0}.share-card .modern-line{margin-top:12px;padding:8px 11px 9px;border-left:3px solid #b65d42;border-radius:3px 12px 12px 3px;color:#704833;background:rgba(182,93,66,.055);font-size:11.5px;line-height:1.42}.share-card .hook-line,.share-card .modern-line{font-weight:700;display:-webkit-box;-webkit-box-orient:vertical;-webkit-line-clamp:2;overflow:hidden}.share-card .hook-line{margin-top:7px;color:#80553e;font-size:10.4px;line-height:1.45}.share-card .quote-block{margin-top:9px;padding:11px 12px 9px;border-radius:15px 15px 0 0;background:rgba(255,252,247,.78);border:1px solid rgba(82,50,30,.08);border-bottom:0;min-height:0;overflow:hidden}.share-card .quote-line{margin:0;padding:0;color:#2f2018;font-family:Songti SC,STSong,"Noto Serif SC",serif;font-size:clamp(17px,3.9vw,23px);font-weight:700;line-height:1.46;letter-spacing:.006em;word-break:break-word;overflow-wrap:anywhere;text-wrap:pretty;display:-webkit-box;-webkit-box-orient:vertical;-webkit-line-clamp:4;overflow:hidden;min-height:0}.share-card .quote-line:before{content:none}.share-card .source-line{margin-top:-1px;padding:7px 12px 9px;border-radius:0 0 15px 15px;color:#6c4b35;background:rgba(255,252,247,.78);border:1px solid rgba(82,50,30,.08);border-top-color:rgba(82,50,30,.06);font-weight:700;font-size:10.5px;line-height:1.4;text-align:right;display:-webkit-box;-webkit-box-orient:vertical;-webkit-line-clamp:2;overflow:hidden;overflow-wrap:anywhere}.share-card .source-line .knowledge-label{display:inline;margin:0 6px 0 0;color:rgba(112,72,51,.56)}.share-card .explain-line{order:6;margin-top:9px;padding:9px 11px 10px;border-radius:13px;color:#735848;background:rgba(255,255,255,.56);border:1px solid rgba(82,50,30,.075);font-size:10.4px;line-height:1.5;word-break:break-word;overflow-wrap:anywhere;display:-webkit-box;-webkit-box-orient:vertical;-webkit-line-clamp:3;overflow:hidden;min-height:0}.share-card .explain-line .knowledge-label{display:block}.share-card .card-spacer{order:7;flex:1 1 8px;min-height:6px}.share-card .watermark{order:8;flex:0 0 auto;display:flex;align-items:center;justify-content:space-between;gap:6px 10px;margin-top:6px;padding-top:6px;border-top:1px solid rgba(82,50,30,.085);color:rgba(44,27,18,.58);font-size:8.5px;line-height:1.3;font-weight:800;letter-spacing:.01em;flex-wrap:wrap}.share-card .watermark:after{content:none}.share-card .watermark span{white-space:nowrap}.share-card .watermark span:last-child{color:rgba(88,107,70,.88)}@container share-card (max-width: 380px){.share-card-inner{padding:15px 13px 12px}.card-kicker:after{content:" · 现代话 × 古诗文"}.modern-line{margin-top:10px;padding:7px 10px 8px;font-size:10.8px}.hook-line{margin-top:6px;font-size:9.8px;-webkit-line-clamp:1}.quote-block{margin-top:8px;padding:9px 10px 8px}.quote-line{font-size:19px;line-height:1.42}.source-line{padding:6px 10px 8px;font-size:9.8px}.explain-line{margin-top:8px;padding:8px 10px 9px;font-size:9.8px;-webkit-line-clamp:2}.watermark{font-size:8px}}@container share-card (max-width: 320px){.share-card-inner{padding:13px 11px 10px}.card-kicker{font-size:9px}.modern-line{font-size:10px}.quote-line{font-size:17px;-webkit-line-clamp:4}.explain-line,.source-line{font-size:9px}.watermark span:last-child{display:none}}@media (max-width:640px){.share-card{padding:10px}}