:root{--color-ink:#1f1c18;--color-paper:#f3eadc;--color-bamboo:#5a7247;--color-vermilion:#b34230;--color-indigo:#42567e;--color-jade:#295a47;--color-gold:#b88b45;--color-cloud:#b8aa95;--color-stone:#736659;--color-snow:#fbf7ef;--color-brush:#4a4a4a;--color-light-ink:#4d4339;--color-silk:#dfd2be;--gradient-vermilion:linear-gradient(135deg,#c9372e,#8b1a1a);--gradient-ink-wash:linear-gradient(180deg,rgba(44,44,44,.03),rgba(44,44,44,.08));--gradient-paper:linear-gradient(180deg,#f5f0e6,#ede6d6);--font-serif:"Noto Serif SC","Source Han Serif CN","Songti SC","STSong",serif;--font-sans:"Noto Sans SC","Source Han Sans CN","PingFang SC","Microsoft YaHei",sans-serif;--spacing-xs:4px;--spacing-sm:8px;--spacing-md:16px;--spacing-lg:24px;--spacing-xl:32px;--spacing-2xl:48px;--radius-sm:12px;--radius-md:24px;--radius-lg:36px;--shadow-sm:0 10px 30px rgba(31,28,24,.08);--shadow-md:0 18px 50px rgba(31,28,24,.12);--shadow-lg:0 28px 80px rgba(31,28,24,.16);--transition-fast:0.2s ease;--transition-normal:0.3s ease;--transition-slow:0.5s ease}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;font-family:var(--font-serif);color:var(--color-ink);background:radial-gradient(circle at top,rgba(184,139,69,.08),transparent 32%),linear-gradient(180deg,#f7f0e4 0,var(--color-paper) 100%);line-height:1.8;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}::selection{background-color:rgba(201,55,46,.15);color:var(--color-ink)}a{color:var(--color-vermilion);text-decoration:none;transition:color var(--transition-fast)}a:hover{color:var(--color-bamboo)}button,input,select,textarea{font:inherit}img{display:block;max-width:100%}.container{width:min(1200px,calc(100% - 32px));margin:0 auto}.main-content{min-height:calc(100vh - 72px)}.not-found-page{min-height:60vh;display:flex;align-items:center;justify-content:center;text-align:center}.not-found-content h1{font-size:80px;font-weight:200;color:var(--color-vermilion);margin-bottom:10px}.not-found-content h2{font-size:24px;color:var(--color-ink);margin-bottom:10px}.not-found-content p{color:var(--color-stone);margin-bottom:30px}.back-home{display:inline-block;padding:10px 30px;background:var(--color-vermilion);color:#fff;text-decoration:none;border-radius:var(--radius-md);transition:background var(--transition-fast)}.back-home:hover{background:#a82d26;color:#fff}.seal{display:inline-flex;align-items:center;justify-content:center;width:48px;height:48px;border:2px solid var(--color-vermilion);color:var(--color-vermilion);font-size:14px;font-weight:700;letter-spacing:2px;transform:rotate(-5deg);opacity:.85;line-height:1.2;text-align:center;padding:4px}.seal.large{width:64px;height:64px;font-size:18px;border-width:3px}.ink-wash{position:relative}.ink-wash:before{content:"";position:absolute;top:0;left:0;right:0;bottom:0;background:var(--gradient-ink-wash);pointer-events:none}.poem-content{line-height:2.4;letter-spacing:1px;font-size:18px}.poem-content.vertical{writing-mode:vertical-rl;text-orientation:mixed;line-height:2.8;letter-spacing:2px}.paper-texture{background-color:var(--color-snow);background-image:radial-gradient(ellipse at 20% 50%,hsla(39,33%,75%,.15) 0,transparent 50%),radial-gradient(ellipse at 80% 20%,hsla(39,33%,75%,.1) 0,transparent 50%),radial-gradient(ellipse at 50% 80%,hsla(39,33%,75%,.12) 0,transparent 50%)}.divider-classical{border:none;height:1px;background:linear-gradient(90deg,transparent 0,var(--color-silk) 20%,var(--color-vermilion) 50%,var(--color-silk) 80%,transparent 100%);margin:var(--spacing-lg) 0}@keyframes fadeInUp{0%{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}@keyframes slideInRight{0%{opacity:0;transform:translateX(20px)}to{opacity:1;transform:translateX(0)}}.animate-fade-in-up{animation:fadeInUp .8s ease forwards}.animate-fade-in{animation:fadeIn .6s ease forwards}.animate-slide-in{animation:slideInRight .6s ease forwards}.header{border-bottom:1px solid hsla(36,20%,65%,.55);position:sticky;top:0;z-index:100;backdrop-filter:blur(16px);background:linear-gradient(90deg,hsla(40,60%,96%,.92),hsla(37,54%,92%,.9));box-shadow:0 10px 30px rgba(31,28,24,.05)}.header-container{max-width:1200px;margin:0 auto;padding:0 20px;height:72px;display:flex;align-items:center;justify-content:space-between;gap:20px}.logo{font-size:28px;font-weight:700;text-decoration:none;letter-spacing:8px;transition:opacity var(--transition-fast),transform var(--transition-fast);white-space:nowrap}.logo,.logo:hover{color:var(--color-vermilion)}.logo:hover{opacity:.85;transform:translateY(-1px)}.nav{display:flex;gap:24px;align-items:center}.nav-link{color:var(--color-light-ink);text-decoration:none;font-size:15px;transition:color var(--transition-fast);letter-spacing:1px;position:relative;white-space:nowrap}.nav-link:hover{color:var(--color-vermilion)}.nav-link:after{content:"";position:absolute;bottom:-4px;left:50%;width:0;height:2px;background:var(--color-vermilion);transition:all var(--transition-fast);transform:translateX(-50%)}.nav-link:hover:after{width:100%}.nav-link-accent{color:var(--color-jade);font-weight:600}.nav-link-accent:after{background:var(--color-jade)}.header .search-box{width:240px;position:relative}.header .search-box form{position:relative}.header .search-box input{width:100%;padding:10px 38px 10px 14px;border:1px solid hsla(36,20%,65%,.75);border-radius:999px;font-size:14px;font-family:var(--font-serif);outline:none;transition:all var(--transition-fast);background:rgba(255,252,245,.88);color:var(--color-ink)}.header .search-box input:focus{border-color:var(--color-vermilion);box-shadow:0 0 0 2px rgba(201,55,46,.1)}.header .search-box input::placeholder{color:var(--color-stone)}.header .search-box button{position:absolute;right:10px;top:50%;transform:translateY(-50%);background:none;border:none;cursor:pointer;color:var(--color-stone);padding:0;display:flex;align-items:center;transition:color var(--transition-fast)}.header .search-box button:hover{color:var(--color-vermilion)}@media (max-width:768px){.nav{display:none}.header .search-box{width:180px}.header-container{height:64px}}@media (max-width:480px){.header .search-box{width:128px}.logo{font-size:20px;letter-spacing:3px}}.footer{background:var(--color-snow);border-top:1px solid var(--color-silk);padding:30px 20px;margin-top:40px}.footer-container{max-width:1200px;margin:0 auto;text-align:center}.footer-links{margin-bottom:15px}.footer-links a{color:var(--color-light-ink);text-decoration:none;font-size:14px;transition:color var(--transition-fast)}.footer-links a:hover{color:var(--color-vermilion)}.footer-links span{color:var(--color-cloud);margin:0 15px}.copyright{font-size:13px;margin-top:10px}.copyright,.copyright a{color:var(--color-stone)}.copyright a{text-decoration:none;transition:color var(--transition-fast)}.copyright a:hover{color:var(--color-vermilion)}