:root {
    --primary-color: #8b1313;
    --secondary-color: #d2691e;
    --background-color: #f4e4bc;
    --text-color: #4a3728;
    --border-color: #8b4513;
    --base-font-size: 16px;
}
/* 楷体 */
@font-face {
    font-family: 'KaiTi';
    src: url('../fonts/simfang.ttf') format('truetype');
    
}
/* 颜楷体 */
@font-face {
    font-family: 'YanTi';
    src: url('../fonts/fzqk.TTF') format('truetype');
    font-weight: bold;
    font-style: normal;
  }

body {
    font-family: 'KaiTi', 'STKaiti', serif;
    background: #2c1810 url('../images/ancient-bg.jpg') center/cover fixed;
    color: var(--text-color);
    margin: 0;
    padding: 10px;
    line-height: 1.6;
}

.tou {
    font-size: 1.3em;
    letter-spacing: -0.05em;
    line-height: 1.8;
    text-align: left;
    font-stretch: ultra-expanded;
}
.ancient-bg {
    /* min-height: 150vh; */
    padding: 0;
    margin: 0;
}

.scroll-container {
    width: 95%;
    max-width: 1080px;
    margin: 0 auto;
    background: var(--background-color);
    border-radius: 5px;
    box-shadow: 0 0 15px rgba(0,0,0,0.3);
    position: relative;
    padding: 20px;
    background-image: url('../images/paper-texture.png');
}

.scroll-header, .scroll-footer {
    height: 30px;
    background: url('../images/scroll-edge.png') repeat-x;
    position: absolute;
    left: 0;
    right: 0;
}

.scroll-header {
    top: 0;
}

.scroll-footer {
    bottom: -10px;
    transform: rotate(180deg);
}

.title {
    text-align: center;
    color: var(--primary-color);
    font-family: 'YanTi', 'STKaiti', serif;
    font-size: 4.0em;
    margin-bottom: 30px;
    text-shadow: 2px 2px 4px rgba(0,0,0,0.1);
}

.poetry-section {
    display: flex;
    justify-content: center;
    margin: 0px 0;
    padding: 0px;
    background: rgba(255,255,255,0.1);
    border-radius: 10px;
    flex-wrap: nowrap;
    overflow-x: auto;
}

.poetry-container {
    display: flex;
    flex-direction: row;
    gap: 20px;
    padding: 20px;
    flex-wrap: wrap;
    justify-content: center;
}

.poem-line {
    writing-mode: vertical-rl;
    text-orientation: upright;
    font-size: 1.5em;
    line-height: 1.8;
    padding: 15px 5px;
    color: var(--primary-color);
    text-shadow: 1px 1px 2px rgba(0,0,0,0.1);
    border-right: 2px solid transparent;
    animation: fadeInRight 1s ease forwards, borderGlow 2s ease infinite;
    opacity: 0;
    transform: translateX(20px);
    background: rgba(255,255,255,0.3);
    border-radius: 5px;
    transition: all 0.3s ease;
    font-family: 'YanTi', 'STKaiti', serif;
    position: relative;
}

.poem-line:hover {
    background: rgba(255,255,255,0.5);
    transform: translateY(-5px);
    box-shadow: 0 5px 15px rgba(0,0,0,0.1);
}

@keyframes fadeInRight {
    from {
        opacity: 0;
        transform: translateX(20px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes borderGlow {
    0%, 100% {
        border-right-color: rgba(139, 69, 19, 0.3);
    }
    50% {
        border-right-color: rgba(139, 69, 19, 0.8);
    }
}

.poem-line::before {
    content: '';
    position: absolute;
    top: 0;
    right: 0;
    bottom: 0;
    left: 0;
    background: radial-gradient(circle at 50% 50%, 
                              rgba(139, 69, 19, 0.05) 0%, 
                              transparent 70%);
    opacity: 0;
    transition: opacity 0.3s ease;
}

.poem-line:hover::before {
    opacity: 1;
}

.vertical-text {
    writing-mode: vertical-rl;
    text-orientation: upright;
    font-size: 1.3em;
    line-height: 2;
    padding: 20px;
    border-right: 2px solid var(--border-color);
    border-left: 2px solid var(--border-color);
    background: rgba(255,255,255,0.5);
}

.intro-text {
    margin: 0px 0;
    padding: 20px;
    font-size: 0.8em;
    line-height: 1.8;
    border-bottom: 5px solid var(--border-color);
    background: rgba(255,255,255,0.3);
   
}

.intro-text p {
    margin: 15px 0;
    text-indent: 2em;
    
}

.divider {
    text-align: center;
    margin: 5px 0;
    height: 10px;
    background: url('../images/cloud-pattern.png') repeat-x center;
}

.character-inputs {
    display: flex;
    justify-content: center;
    gap: 30px;
    margin: 30px 0;
}

.char-input {
    width: clamp(40px, 10vw, 70px);
    height: clamp(40px, 10vw, 70px);
    font-size: clamp(16px, 4vw, 32px);
    text-align: center;
    border: 2px solid var(--border-color);
    border-radius: 5px;
    background: rgba(255,255,255,0.7);
    font-family: 'KaiTi', 'STKaiti', serif;
}

.ancient-btn {
    display: flex;
    justify-content: center;
    align-items: center;
    background: var(--primary-color);
    color: #fff;
    border: none;
    padding: clamp(8px, 2vw, 12px) clamp(15px, 4vw, 30px);
    font-size: clamp(14px, 5vw, 24px);
    border-radius: 5px;
    cursor: pointer;
    transition: all 0.3s;
    font-family: 'KaiTi', 'STKaiti', serif;
    box-shadow: 0 2px 4px rgba(0,0,0,0.2);
    width: fit-content;
    margin: 20px auto;
}

.ancient-btn:hover {
    background: var(--secondary-color);
    transform: translateY(-2px);
}

.ancient-text {
    font-size: 1.2em;
    line-height: 1.8;
    color: var(--text-color);
    padding: 15px;
    background: rgba(255,255,255,0.5);
    border-radius: 5px;
    display: block;
    white-space: pre-wrap;
}

.gua-section, .interpretation-section {
    margin: 20px 0;
    padding: 20px;
    background: rgba(255,255,255,0.3);
    border-radius: 5px;
    border-left: 3px solid var(--border-color);
    display: block;
}

.sign-number {
    font-size: 48px;
    text-align: center;
    color: var(--primary-color);
    margin: 30px 0;
    text-shadow: 2px 2px 4px rgba(0,0,0,0.1);
}

h2, h3 {
    font-size: 2.2em;
    color: var(--primary-color);
    text-align: center;
    margin: 20px 0;
}

.hidden {
    display: none;
}

.strokes-display {
    display: flex;
    justify-content: center;
    gap: 5px;
    margin: 5px 0;
}

.strokes-display span {
    color: var(--primary-color);
    text-align: center;
    text-shadow: 2px 2px 4px rgba(0,0,0,0.1);
    /* background: rgba(255,255,255,0.3); */
    padding: 0 5px;
    display: flex;
    flex-direction: column;
    align-items: center;
}

.char-display {
    font-size: 36px;
    margin-bottom: 0px;
}

.stroke-display {
    font-size: 18px;
    color: var(--text-color);
}

/* 求测类型区域样式 */
.qc-type-section {
    margin: 30px auto;
    text-align: center;
}

.qc-type-buttons {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 25px;
    margin: 20px auto;
    max-width: 800px;
}

.qc-type-btn {
    width: 80px;
    height: 80px;
    padding: 10px;
    font-size: clamp(14px, 3vw, 20px);
    background: var(--primary-color);
    border: none;
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.3s;
    font-family: 'KaiTi', 'STKaiti', serif;
    color: #fff;
    display: flex;
    justify-content: center;
    align-items: center;
    box-shadow: 0 2px 4px rgba(0,0,0,0.2);
}
.qc-sy-type-btn {
    width: 200px;
    height: 80px;
    padding: 10px;
    font-size: clamp(14px, 5vw, 20px);
    background: var(--primary-color);
    border: none;
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.3s;
    font-family: 'KaiTi', 'STKaiti', serif;
    color: #fff;
    display: flex;
    justify-content: center;
    align-items: center;
    box-shadow: 3px 2px 4px rgba(0,0,0,0.2);
}

.qc-type-btn:hover {
    background: var(--secondary-color);
    transform: translateY(-2px);
}

.qc-type-btn.selected {
    background: var(--secondary-color);
    transform: translateY(-2px);
    box-shadow: 0 4px 8px rgba(0,0,0,0.3);
}


/* 解签结果区域样式更新 */
.interpretation-section {
    margin: 20px 0;
    padding: 15px;
    background: rgba(255, 255, 255, 0.8);
    border-radius: 5px;
}

#specificTitle {
    color: #8B4513;
    margin-bottom: 10px;
    font-family: "楷体", "KaiTi", serif;
}

.nav-links {
    display: flex;
    justify-content: center;
    gap: 150px;
    margin: 20px 0;
}

/* 通用导航样式 */
.nav-links {
    display: flex;
    justify-content: center;
    gap: 150px;
    margin: 20px 0;
}
.nav-btn {
    font-size: 36px;
    padding: 8px 20px;
    margin: 0 15px;
    font-weight: normal;
    box-shadow: 4px 6px 10px rgba(0, 0, 0, 0.8);
    transition: all 0.3s ease;
}
.nav-btn:hover {
    transform: translateY(-3px);
    box-shadow: 0 6px 12px rgba(0, 0, 0, 0.3);
}

a {
    text-decoration: none;
}
.inline-status { min-height: 1.5rem; margin-top: 10px; text-align: center; }
.inline-status[data-type="error"] { color: #8f1d1d; }
.responsible-use-notice { color: #66584b; font-size: 0.9rem; }