/* =========================================
   沪新教育共享平台 - 完整样式表 (style.css)
   ========================================= */

/* 引入字体 */
/*@import url('https://fonts.googleapis.com/css2?family=Noto+Serif+SC:wght@400;700&family=Ma+Shan+Zheng&display=swap');*/

/* --- 1. 全局变量与基础设置 --- */
:root {
    --primary-dark: #1a2b4c;
    --primary-gold: #c5a059;
    --bg-color: #fdfbf7; 
    --text-main: #333333;
    --text-light: #666666;
    --font-main: "Noto Serif SC", "Songti SC", "STSong", "SimSun", serif;
    --font-handwriting: "Noto Serif SC", "Songti SC", "STSong", "SimSun", serif;
    --font-nav: "Noto Serif SC", "Songti SC", "STSong", "SimSun", serif;
}

* { margin: 0; padding: 0; box-sizing: border-box; }

body {
    background-color: var(--bg-color);
    font-family: var(--font-main);
    color: var(--text-main);
    overflow-x: hidden; 
    padding-bottom: 0;
    -webkit-font-smoothing: antialiased;
    text-rendering: optimizeLegibility;
}

a { text-decoration: none; color: inherit; }
ul { list-style: none; }

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* --- 2. 顶部装饰条 --- */
.top-border-wrapper,
.bottom-border-wrapper {
    display: flex;
    justify-content: center;
    align-items: center;
    width: 100%;
    height: 36px; 
    background-color: var(--bg-color); 
    position: relative;
    z-index: 100;
}

.pattern-left {
    flex: 1; 
    height: 100%;
    background-image: url('images/top-pattern.png');
    background-repeat: repeat-x; 
    background-size: auto 30px; 
    background-position: right center; 
    mix-blend-mode: multiply; 
    opacity: 0.9; 
    margin-left: 43px; 
}

.pattern-right {
    flex: 1; 
    height: 100%;
    background-image: url('images/top-pattern.png');
    background-repeat: repeat-x; 
    background-size: auto 30px; 
    background-position: left center; 
    mix-blend-mode: multiply; 
    opacity: 0.9; 
    margin-right: 43px; 
}

.center-nang {
    margin: 0 15px;
    z-index: 2;
    display: flex;
    align-items: center;
}

.center-nang img {
    height: 40px; 
    width: auto;
    display: block;
    border-radius: 50%; 
    mix-blend-mode: multiply; 
    filter: drop-shadow(0 2px 8px rgba(0, 0, 0, 0.08)); 
}

/* --- 顶部整块吸顶：装饰条 + 主导航 + 分隔线 ---
   仅影响使用 site-header-sticky 包裹的页面 */
.site-header-sticky {
    position: sticky;
    top: 0;
    z-index: 1000;
    background-color: var(--bg-color);
}

/* --- 3. 导航栏 --- */
.header-nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 6px 24px 8px;
    background-color: var(--bg-color); 
    border-radius: 12px;
}

.nav-divider {
    width: 100%;
    height: 1px;
    background-color: #e0dcd0;
    margin-bottom: 18px;
}

.logo-area {
    display: flex;
    align-items: center;
    gap: 15px;
}

.logo-area img { height: 45px; }

.logo-text {
    font-size: 20px;
    font-weight: 600;
    letter-spacing: 1px;
    line-height: 1.25;
    color: #000;
    font-family: var(--font-nav);
}

nav ul { display: flex; gap: 20px; align-items: center; }

nav a {
    position: relative;
    font-size: 16px;
    font-weight: 600;
    letter-spacing: 0.5px;
    line-height: 1.3;
    color: #000;
    transition: color 0.25s ease, opacity 0.25s ease;
    font-family: var(--font-nav);
}

nav a:hover {
    color: var(--primary-gold);
    opacity: 0.95;
}

nav a::after {
    content: "";
    position: absolute;
    left: 0;
    bottom: -6px;
    width: 0;
    height: 1px;
    background-color: var(--primary-gold);
    transition: width 0.25s ease;
}

nav a:hover::after {
    width: 100%;
}

/* --- 4. 主视觉区 (Hero) --- */
.hero-section {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 28px 0 52px 0;
    position: relative;
    min-height: 500px;
}

.hero-text-group {
    flex: 1;
    padding-right: 52px;
    position: relative;
    z-index: 2;
}

.hero-deco-line {
    width: 4px;
    height: 52px;
    background: linear-gradient(to bottom, var(--primary-gold), transparent);
    margin-bottom: 16px;
}

.hero-tag {
    display: inline-block;
    background-color: var(--primary-gold);
    color: #fff;
    padding: 4px 12px;
    font-size: 14px;
    letter-spacing: 2px;
    border-radius: 2px;
    margin-bottom: 12px;
    font-family: "KaiTi", serif;
}

.hero-title {
    font-family: "Noto Serif SC", "Songti SC", "SimSun", serif;
    font-size: 52px;
    line-height: 1.2;
    color: var(--primary-dark);
    margin-bottom: 10px;
    font-weight: 700;
    text-shadow: 1px 1px 0 rgba(197, 160, 89, 0.12);
}

.hero-brand-block {
    margin-bottom: 14px;
}

.hero-title--brand {
    margin-bottom: 6px;
    font-size: inherit;
    line-height: 1.15;
    display: flex;
    flex-wrap: wrap;
    align-items: baseline;
    gap: 0 4px;
}

.hero-brand-name {
    font-size: 46px;
    letter-spacing: 4px;
    color: var(--primary-dark);
}

.hero-brand-dash {
    color: var(--primary-gold);
    font-size: 34px;
    font-weight: 700;
    letter-spacing: 0;
}

.hero-brand-subline {
    font-family: "Noto Serif SC", "Songti SC", "SimSun", serif;
    font-size: 32px;
    font-weight: 600;
    line-height: 1.45;
    letter-spacing: 1px;
    color: #2d3f5c;
    margin: 0 0 4px 0;
    max-width: 620px;
    padding-bottom: 4px;
    border-bottom: 1px solid rgba(197, 160, 89, 0.25);
}

.hero-title-highlight {
    color: var(--primary-gold);
    position: relative;
}

.hero-title-highlight::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 8px;
    background-color: rgba(197, 160, 89, 0.2);
    z-index: -1;
}

.hero-subtitle {
    font-family: "Ma Shan Zheng", "KaiTi", cursive;
    font-size: 22px;
    color: #555;
    margin-bottom: 22px;
    letter-spacing: 3px;
}

.hero-desc {
    font-family: "PingFang SC", "Microsoft YaHei", sans-serif;
    font-size: 16px;
    color: #6e6e6e;
    line-height: 1.8;
    margin-bottom: 30px;
    border-left: 2px solid #e7dfcf;
    padding-left: 15px;
    max-width: 500px;
}

.hero-stamp {
    display: flex;
    flex-direction: column;
    align-items: center;
    border: 2px solid #b22222;
    color: #b22222;
    padding: 8px 12px;
    width: fit-content;
    font-family: "Noto Serif SC", serif;
    font-size: 18px;
    border-radius: 4px;
    opacity: 0.8;
    margin-top: -12px;
    margin-left: 10px;
    line-height: 1.2;
    writing-mode: vertical-rl;
    letter-spacing: 5px;
}

.hero-image-wrapper {
    position: relative;
    display: flex;
    justify-content: center;
    align-items: center;
    margin-right: 8px; 
}

.hero-image-wrapper::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 400px;
    height: 400px;
    border: 2px dashed rgba(197, 160, 89, 0.4); 
    border-radius: 50%;
    z-index: 1;
    background: radial-gradient(circle, rgba(197, 160, 89, 0.05) 0%, transparent 70%);
}

.hero-image {
    width: 400px;
    height: auto;
    max-width: 42vw;
    mix-blend-mode: multiply;
    filter: drop-shadow(0 15px 30px rgba(26, 43, 76, 0.25));
    position: relative;
    z-index: 2;
    transform: rotate(0deg) !important; 
    transition: transform 0.5s ease;
}

.hero-image-wrapper:hover .hero-image {
    transform: scale(1.03) rotate(0deg) !important;
}

/* --- 4.5 首页轻量数据带（与主色、金线、纸质底统一） --- */
.home-metrics {
    padding: 8px 0 36px;
    position: relative;
}

.home-metrics__inner {
    padding: 28px 22px 26px;
    border-radius: 18px;
    border: 1px solid rgba(197, 160, 89, 0.28);
    background: linear-gradient(
        165deg,
        rgba(255, 255, 255, 0.92) 0%,
        rgba(253, 251, 247, 0.98) 45%,
        rgba(255, 252, 245, 0.94) 100%
    );
    box-shadow: 0 18px 40px rgba(26, 43, 76, 0.06);
}

.home-metrics__kicker {
    text-align: center;
    font-size: 13px;
    letter-spacing: 0.35em;
    color: rgba(31, 47, 82, 0.55);
    margin: 0 0 20px;
    font-weight: 600;
}

.home-metrics__grid {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 18px 14px;
}

.home-metric {
    text-align: center;
    padding: 16px 10px 14px;
    border-radius: 14px;
    background: rgba(255, 255, 255, 0.65);
    border: 1px solid rgba(31, 47, 82, 0.08);
    transition: border-color 0.25s ease, box-shadow 0.25s ease, transform 0.2s ease;
}

.home-metric:hover {
    border-color: rgba(197, 160, 89, 0.35);
    box-shadow: 0 10px 22px rgba(26, 43, 76, 0.07);
    transform: translateY(-2px);
}

.home-metric__value {
    font-family: "Noto Serif SC", "Songti SC", "SimSun", serif;
    font-size: 34px;
    font-weight: 700;
    letter-spacing: 0.06em;
    color: var(--primary-dark);
    line-height: 1.15;
    margin-bottom: 8px;
    text-shadow: 0 1px 0 rgba(255, 255, 255, 0.6);
}

.home-metric__label {
    font-size: 14px;
    color: #5a5348;
    letter-spacing: 0.12em;
    line-height: 1.45;
}

.home-metric__hint {
    margin-top: 6px;
    font-size: 11px;
    color: rgba(31, 47, 82, 0.45);
    letter-spacing: 0.06em;
}

.home-metrics__footnote {
    margin: 18px 0 0;
    text-align: center;
    font-size: 12px;
    line-height: 1.65;
    color: rgba(90, 83, 72, 0.75);
    letter-spacing: 0.04em;
    max-width: 720px;
    margin-left: auto;
    margin-right: auto;
}

@media (max-width: 900px) {
    .home-metrics__grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }
    .home-metric__value {
        font-size: 28px;
    }
}

@media (max-width: 480px) {
    .home-metrics__grid {
        grid-template-columns: 1fr;
    }
    .home-metrics__inner {
        padding: 22px 16px 20px;
    }
}

/* --- 5. 功能卡片区 --- */
.features-section {
    text-align: center;
    padding: 0 0 52px 0; 
    position: relative;
}

.text-area { margin-bottom: 50px; }

/* 首页功能区：让“核心功能”框更居中 */
.features-section .text-area {
    margin-bottom: 26px;
}

.section-kicker {
    display: block;
    width: fit-content;
    padding: 6px 22px;
    margin: 6px auto 18px;
    border: 1px solid rgba(197, 160, 89, 0.6);
    border-radius: 999px;
    background: rgba(197, 160, 89, 0.05);
    color: #967f4b;
    font-size: 14px;
    letter-spacing: 2px;
    line-height: 1.25;
    font-weight: 500;
    box-shadow: 0 1px 0 rgba(255, 255, 255, 0.7) inset;
}

.section-title {
    font-size: 30px;
    color: var(--primary-dark);
    margin-bottom: 18px;
    letter-spacing: 2px;
}

.instruction-text {
    font-size: 15px;
    color: #5c5c5c;
    line-height: 1.85;
    max-width: none;
    margin: 0 auto;
    white-space: nowrap;
}

.cards-container {
    display: flex;
    justify-content: center;
    gap: 40px; 
    flex-wrap: wrap;
}

.feature-card {
    position: relative; 
    width: 260px;       
    height: 420px;      
    margin: 20px;       
    cursor: pointer;    
    transition: transform 0.28s ease, filter 0.28s ease;
    background-color: transparent; 
    filter: drop-shadow(0 8px 18px rgba(26, 43, 76, 0.12)); 
}

.feature-card:hover {
    transform: translateY(-4px);
    filter: drop-shadow(0 12px 24px rgba(26, 43, 76, 0.16));
}

.card-border {
    position: absolute;
    top: 0; left: 0;
    width: 100%; height: 100%;
    object-fit: contain; 
    z-index: 1;          
}

.card-inner {
    position: absolute;
    top: 35%; left: 50%;          
    transform: translate(-50%, -50%); 
    z-index: 2;         
    width: 140px; height: 140px;
}

.inner-pattern {
    width: 100%; height: 100%;
    object-fit: contain;
}

.card-inner a {
    display: block;
    width: 100%; height: 100%;
    cursor: pointer;
}

.card-inner a img {
    transition: all 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);
    transform-origin: center;
}

.card-inner a:hover img {
    transform: translateY(-6px) scale(1.05);
    filter: drop-shadow(0 8px 16px rgba(197, 160, 89, 0.3));
    z-index: 10;
}

.card-inner a:active img {
    transform: translateY(-2px) scale(1.02);
    filter: drop-shadow(0 4px 8px rgba(197, 160, 89, 0.2));
    transition: all 0.1s ease;
}

.card-text {
    position: absolute;
    top: 58%; left: 0;
    width: 100%;
    text-align: center;
    z-index: 3;         
    padding: 0 24px;    
}

.card-title {
    font-size: 20px;
    margin-bottom: 12px;
    color: #1f2f52;
    font-weight: bold;
}

.card-desc {
    font-size: 14px;
    color: #666b73;
    line-height: 1.7;
    margin: 0;
    word-break: break-word;
    max-width: 200px;
    margin-left: auto;
    margin-right: auto;
}

/* --- 6. 中间分隔符 --- */
.divider-ornament {
    width: 100%;
    height: 80px; 
    margin-top: -30px; 
    margin-bottom: 50px; 
    background-image: url('images/divider-long.png');
    background-repeat: no-repeat; 
    background-position: center;  
    background-size: contain;     
    mix-blend-mode: multiply;
}

/* --- 7. 故事展示区 (轮播+翻转) --- */
.story-section {
    text-align: center;
    padding: 12px 0 80px 0; 
}

.story-title {
    font-size: 22px;
    color: #555;
    margin-bottom: 6px; 
    position: relative;
    z-index: 10; 
}

.story-subtitle {
    color: #777;
    margin-bottom: 6px;
    letter-spacing: 1px;
}

.story-border-wrapper {
    position: relative;
    width: 100%;
    max-width: 1000px; 
    margin: 4px auto 0;
    min-height: 700px;
    filter: drop-shadow(0 8px 20px rgba(26, 43, 76, 0.08));
}

.story-border-img {
    position: absolute;
    top: -250px; left: 0;
    width: 100%; height: 100%;
    z-index: 1; 
    object-fit: contain; 
    pointer-events: none; 
}

.story-content {
    position: relative;
    z-index: 2; 
    padding-top: 300px;    
    padding-left: 120px;  
    padding-right: 120px; 
    padding-bottom: 40px; 
    display: flex;
    flex-direction: column;
    align-items: center;
}

.carousel {
    position: relative;
    width: 100%; 
    height: 450px; 
    overflow: hidden;
    border-radius: 12px;
   }

.carousel-track {
    display: flex;
    height: 100%;
    will-change: transform;
}

.flip-card {
    flex: 0 0 100%;
    height: 100%;
    perspective: 1000px;
    cursor: pointer;
}

.flip-card-inner {
    position: relative;
    width: 100%; height: 100%;
    text-align: center;
    transition: transform 0.8s ;
    transform-style: preserve-3d;
}

.flip-card.flipped .flip-card-inner {
    transform: rotateY(180deg);
}

.flip-card-front, .flip-card-back {
    position: absolute;
    width: 100%; height: 100%;
 -webkit-backface-visibility: hidden;
    backface-visibility: hidden;
    border-radius: 8px;
    box-shadow: 0 4px 15px rgba(0,0,0,0.1);
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.flip-card-front img {
    width: 100%; height: 100%;
    object-fit: cover;
}
.flip-card-back {
    background-color: #fff;
    color: #333;
    transform: rotateY(180deg);
    padding: 30px;
    box-sizing: border-box;
    font-size: 18px;
    line-height: 1.8;
    font-family: var(--font-handwriting);
}

.story-body {
    text-align: left;
    width: 100%;
    max-height: 100%;
    overflow-y: auto;
    -webkit-overflow-scrolling: touch;
}

.story-body p {
    margin: 0 0 0.65em;
    font-size: 16px;
    line-height: 1.75;
}

.story-body p:last-child {
    margin-bottom: 0;
}
/* --- 轮播翻页按钮（金线深蓝，与全站导航一致）--- */
.story-nav-btn {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    z-index: 25;
    width: 44px;
    height: 44px;
    padding: 0;
    border: 1px solid rgba(197, 160, 89, 0.55);
    border-radius: 50%;
    background: linear-gradient(145deg, #fffdf9 0%, #f5efe4 100%);
    color: var(--primary-dark);
    font-size: 28px;
    font-weight: 300;
    line-height: 1;
    cursor: pointer;
    box-shadow: 0 2px 10px rgba(26, 43, 76, 0.12), inset 0 1px 0 rgba(255, 255, 255, 0.85);
    transition: color 0.2s ease, border-color 0.2s ease, box-shadow 0.2s ease, transform 0.2s ease;
}

.story-nav-btn:hover {
    border-color: var(--primary-gold);
    color: var(--primary-gold);
    box-shadow: 0 4px 14px rgba(26, 43, 76, 0.16), inset 0 1px 0 rgba(255, 255, 255, 0.9);
    transform: translateY(-50%) scale(1.04);
}

.story-nav-btn:active {
    transform: translateY(-50%) scale(0.98);
}

.story-nav-btn:focus {
    outline: none;
}

.story-nav-btn:focus-visible {
    outline: 2px solid var(--primary-gold);
    outline-offset: 2px;
}

.story-nav-btn--prev {
    left: 8px;
}

.story-nav-btn--next {
    right: 8px;
}

/* 轮播与两侧翻页键：按钮在照片区域外，不遮挡画面 */
.carousel-with-nav {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
    width: 100%;
}

.carousel-with-nav .carousel {
    flex: 1 1 auto;
    min-width: 0;
}

.carousel-with-nav .story-nav-btn--side {
    position: static;
    top: auto;
    left: auto;
    right: auto;
    transform: none;
    flex-shrink: 0;
}

.carousel-with-nav .story-nav-btn--side:hover {
    transform: scale(1.04);
}

.carousel-with-nav .story-nav-btn--side:active {
    transform: scale(0.98);
}
/* --- 提示在上、花朵在下，相对照片区居中 --- */
.flower-stack {
    margin-top: 28px;
    position: relative;
    z-index: 10;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 12px;
    width: 100%;
}

.flower-hint {
    margin: 0;
    max-width: 420px;
    text-align: center;
    font-size: 0.92rem;
    color: #666;
    line-height: 1.55;
    letter-spacing: 0.04em;
    font-family: var(--font-main);
}

.flower-trigger {
    margin-top: 0;
    position: relative;
    z-index: 10;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 15px;
}

.flower-icon {
    width: 60px;  /* 花花的大小 */
    height: 60px;
    cursor: pointer;
    transition: transform 0.3s;
}

.flower-icon:hover {
    transform: scale(1.1) rotate(15deg);
}

/* --- 新增：底部小花纹线条样式 --- */
.line-decoration {
    width: 500px;   /* 根据实际图片调整 */
    height: auto;
    opacity: 0.8;
    pointer-events: none;

    /* 【关键】让浅色背景变透明，只保留深色花纹 */
    mix-blend-mode: multiply;
}
/* --- 8. 底部页脚 --- */
.footer-info-section {
    background-color: #f9f7f3;
    padding: 60px 0 30px 0;
    position: relative;
    margin-top: 60px;
    width: 100%;
    border-top: 1px solid rgba(197, 160, 89, 0.16);
}

.footer-divider {
    width: 100%; height: 1px;
    background: linear-gradient(to right, transparent, var(--primary-gold), transparent);
    margin-bottom: 50px;
}

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    flex-wrap: wrap;
    gap: 170px;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

.footer-left { flex: 1; min-width: 250px; }
.footer-title {
    font-family: "Noto Serif SC", serif;
    font-size: 24px; color: var(--primary-dark);
    margin-bottom: 50px; font-weight: bold;
}
.footer-slogan {
    font-size: 14px; color: #777;
    line-height: 1.6; letter-spacing: 1px;
}

/* 精简页脚（方案 C）：左品牌 + 右说明，无虚假电话/社交 */
.footer-content--compact {
    gap: 48px;
    align-items: flex-start;
    justify-content: flex-start;
}
.footer-content--compact .footer-title {
    margin-bottom: 12px;
}
.footer-intro {
    font-size: 14px;
    color: #555;
    line-height: 1.75;
    margin: 0 0 14px;
    text-align: left;
}
.footer-meta {
    font-size: 13px;
    color: #777;
    line-height: 1.65;
    margin: 0 0 10px;
    text-align: left;
}
@media (max-width: 768px) {
    .footer-intro,
    .footer-meta { text-align: center; }
}

.footer-center { flex: 2; min-width: 300px; }
.contact-item {
    display: flex; align-items: center;
    margin-bottom: 12px; font-size: 14px; color: #555;
}
.contact-item .icon { margin-right: 8px; font-size: 16px; }
.contact-item a { color: #555; text-decoration: none; transition: color 0.3s; }
.contact-item a:hover { color: var(--primary-gold); }
.icp-info p { font-size: 12px; color: #999; margin-top: 15px; line-height: 1.5; }

.footer-right { flex: 1; min-width: 200px; text-align: right; }
.social-title { font-size: 14px; color: #555; margin-bottom: 15px; font-weight: bold; }
.social-icons { display: flex; justify-content: flex-end; gap: 15px; }
.social-icon img {
    width: 32px; height: 32px; border-radius: 50%; background: #fff; padding: 4px;
    box-shadow: 0 2px 6px rgba(0,0,0,0.1); transition: transform 0.3s, box-shadow 0.3s;
}
.social-icon:hover img {
    transform: translateY(-3px) scale(1.1);
    box-shadow: 0 4px 12px rgba(197, 160, 89, 0.3);
}

.footer-copyright {
    text-align: center; margin-top: 50px; padding-top: 20px;
    border-top: 1px solid #e8deca; font-size: 12px; color: #9a9488;
}

/* --- 9. 返回顶部 --- */
.back-to-top {
    position: fixed; bottom: 30px; right: 30px;
    width: 50px; height: 50px; background: var(--primary-gold);
    color: #fff; border: none; border-radius: 50%;
    font-size: 20px; cursor: pointer;
    box-shadow: 0 4px 12px rgba(197, 160, 89, 0.4);
    transition: all 0.3s ease; z-index: 999;
    opacity: 0; visibility: hidden;
}
.back-to-top.visible { opacity: 1; visibility: visible; }
.back-to-top:hover {
    transform: translateY(-5px);
    box-shadow: 0 6px 16px rgba(197, 160, 89, 0.5);
}

/* --- 10. 移动端适配 --- */
@media (max-width: 768px) {
    .hero-section { flex-direction: column; text-align: center; padding-top: 20px; }
    .hero-text-group { padding-right: 0; margin-bottom: 40px; }
    .hero-title { font-size: 36px; }
    .hero-brand-name { font-size: 34px; letter-spacing: 2px; }
    .hero-brand-dash { font-size: 26px; }
    .hero-brand-subline { font-size: 20px; max-width: 100%; line-height: 1.4; }
    .hero-stamp { margin: 20px auto 0; }
    .hero-desc { border-left: none; padding-left: 0; margin: 0 auto 30px; }
    .hero-image { width: 85%; }
    .footer-content { flex-direction: column; align-items: center; text-align: center; }
    .footer-right { text-align: center; }
    .social-icons { justify-content: center; }
    .back-to-top { bottom: 20px; right: 20px; width: 45px; height: 45px; font-size: 18px; }
    .story-content { padding-left: 20px; padding-right: 20px; padding-top: 250px; }
    .flower-hint { max-width: 100%; }
    .feature-card { width: 90%; max-width: 300px; }
    .instruction-text { white-space: normal; }
}