/* ============================================
   经典名句 - 浪漫特效版
   ============================================ */

:root {
    --bg: #faf8f5;
    --bg-warm: #f5f0e8;
    --bg-dark: #1a1a1a;
    --text: #1a1a1a;
    --text-light: #5a5a5a;
    --text-muted: #999;
    --accent: #c24d3b;
    --accent-light: #e07060;
    --accent-glow: rgba(194,77,59,0.15);
    --gold: #b8963e;
    --border: #e8e3db;
    --card: #fff;
    --font-serif: 'Noto Serif SC', serif;
    --font-display: 'ZCOOL XiaoWei', serif;
    --ease: cubic-bezier(0.16, 1, 0.3, 1);
    --ease-bounce: cubic-bezier(0.34, 1.56, 0.64, 1);
}

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

html { scroll-behavior:smooth; font-size:16px; }

body {
    font-family: var(--font-serif);
    background: var(--bg);
    color: var(--text);
    line-height: 1.8;
    -webkit-font-smoothing: antialiased;
    overflow-x: hidden;
}

::selection { background: var(--accent); color: white; }

/* ---- 光标跟随光效 ---- */
#cursorGlow {
    position: fixed;
    width: 300px; height: 300px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(194,77,59,0.06) 0%, transparent 70%);
    pointer-events: none;
    z-index: 9998;
    transform: translate(-50%, -50%);
    transition: opacity 0.3s;
    opacity: 0;
}

body:hover #cursorGlow { opacity: 1; }

/* ---- 花瓣 ---- */
#petals {
    position: fixed;
    inset: 0;
    pointer-events: none;
    z-index: 9999;
    overflow: hidden;
}

.petal {
    position: absolute;
    width: 10px; height: 10px;
    background: linear-gradient(135deg, #e8a090, #c24d3b);
    border-radius: 50% 0 50% 50%;
    opacity: 0;
    animation: petalFall linear infinite;
}

@keyframes petalFall {
    0% { transform: translateY(-20px) rotate(0deg) translateX(0); opacity: 0; }
    8% { opacity: 0.5; }
    92% { opacity: 0.5; }
    100% { transform: translateY(100vh) rotate(720deg) translateX(100px); opacity: 0; }
}

/* ---- 导航 ---- */
.nav {
    position: fixed;
    top: 0; left: 0; right: 0;
    z-index: 100;
    padding: 1rem 0;
    transition: all 0.4s var(--ease);
}

.nav.scrolled {
    background: rgba(250,248,245,0.92);
    backdrop-filter: blur(16px);
    box-shadow: 0 1px 0 rgba(0,0,0,0.05);
    padding: 0.6rem 0;
}

.nav-inner {
    max-width: 900px;
    margin: 0 auto;
    padding: 0 1.5rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.nav-logo {
    font-size: 1.4rem;
    color: var(--accent);
    text-decoration: none;
    opacity: 0;
    transform: translateY(-10px);
    animation: navIn 0.6s var(--ease) 0.2s forwards;
}

.logo-icon {
    display: inline-block;
    animation: logoPulse 3s ease-in-out infinite;
}

@keyframes logoPulse {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.15); }
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 2rem;
}

.nav-menu li {
    opacity: 0;
    transform: translateY(-10px);
    animation: navIn 0.5s var(--ease) forwards;
}

.nav-menu li:nth-child(1) { animation-delay: 0.3s; }
.nav-menu li:nth-child(2) { animation-delay: 0.4s; }
.nav-menu li:nth-child(3) { animation-delay: 0.5s; }
.nav-menu li:nth-child(4) { animation-delay: 0.6s; }
.nav-menu li:nth-child(5) { animation-delay: 0.7s; }

@keyframes navIn {
    to { opacity: 1; transform: translateY(0); }
}

.nav-menu a {
    font-size: 0.85rem;
    color: var(--text-light);
    text-decoration: none;
    position: relative;
    padding: 0.3rem 0;
    transition: color 0.3s;
}

.nav-menu a::before {
    content: attr(data-text);
    position: absolute;
    top: 0; left: 0;
    width: 0;
    overflow: hidden;
    color: var(--accent);
    white-space: nowrap;
    transition: width 0.4s var(--ease);
}

.nav-menu a:hover::before,
.nav-menu a.active::before {
    width: 100%;
}

.nav-menu a::after {
    content: '';
    position: absolute;
    bottom: -2px; left: 50%;
    width: 0; height: 2px;
    background: var(--accent);
    transition: all 0.3s var(--ease);
    transform: translateX(-50%);
}

.nav-menu a:hover::after,
.nav-menu a.active::after {
    width: 100%;
}

.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 0.4rem;
}

.nav-toggle span {
    display: block;
    width: 22px; height: 1.5px;
    background: var(--text);
    transition: all 0.3s;
}

/* ---- 容器 ---- */
.container {
    max-width: 800px;
    margin: 0 auto;
    padding: 0 1.5rem;
}

/* ---- 通用区块头 ---- */
.section-head {
    text-align: center;
    margin-bottom: 3.5rem;
}

.section-head.light { color: white; }
.section-head.light h2,
.section-head.light p { color: white; }

.section-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    margin-bottom: 1rem;
}

.badge-num {
    font-size: 0.7rem;
    font-weight: 700;
    color: var(--accent);
    letter-spacing: 0.1em;
    padding: 0.2rem 0.6rem;
    border: 1.5px solid var(--accent);
    border-radius: 20px;
}

.badge-line {
    display: block;
    width: 40px;
    height: 1px;
    background: linear-gradient(90deg, var(--accent), transparent);
}

.section-head h2 {
    font-family: var(--font-display);
    font-size: 2rem;
    font-weight: 400;
    margin-bottom: 0.4rem;
}

.section-head p {
    font-size: 0.95rem;
    color: var(--text-muted);
}

/* ---- 视频区 ---- */
.video-hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(180deg, #f0ebe3 0%, var(--bg) 100%);
    padding: 5rem 1rem 3rem;
    position: relative;
    overflow: hidden;
}

.video-bg-pattern {
    position: absolute;
    inset: 0;
    background-image: radial-gradient(circle at 1px 1px, rgba(194,77,59,0.04) 1px, transparent 0);
    background-size: 40px 40px;
    pointer-events: none;
}

.video-hero-inner {
    text-align: center;
    max-width: 400px;
    width: 100%;
    position: relative;
    z-index: 2;
}

.video-intro {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.8rem;
    margin-bottom: 1.8rem;
}

.intro-line {
    display: block;
    width: 30px;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--accent));
}

.intro-line:last-child {
    background: linear-gradient(90deg, var(--accent), transparent);
}

.intro-text {
    font-size: 0.8rem;
    color: var(--accent);
    letter-spacing: 0.2em;
    white-space: nowrap;
}

.video-frame {
    position: relative;
    border-radius: 16px;
    overflow: hidden;
    background: var(--bg-dark);
    box-shadow: 0 25px 70px rgba(0,0,0,0.12);
    margin-bottom: 1.2rem;
}

.video-glow {
    position: absolute;
    inset: -2px;
    border-radius: 18px;
    background: linear-gradient(135deg, var(--accent), var(--gold), var(--accent));
    opacity: 0;
    z-index: -1;
    filter: blur(12px);
    animation: glowPulse 3s ease-in-out infinite;
}

@keyframes glowPulse {
    0%, 100% { opacity: 0.3; }
    50% { opacity: 0.6; }
}

.video-frame video {
    width: 100%;
    display: block;
    aspect-ratio: 9/16;
    max-height: 60vh;
    object-fit: cover;
}

.video-corner {
    position: absolute;
    width: 20px; height: 20px;
    border-color: var(--accent);
    z-index: 3;
    pointer-events: none;
    opacity: 0;
    animation: cornerIn 0.6s var(--ease) 0.8s forwards;
}

.video-corner.tl { top: 12px; left: 12px; border-top: 2px solid; border-left: 2px solid; }
.video-corner.tr { top: 12px; right: 12px; border-top: 2px solid; border-right: 2px solid; }
.video-corner.bl { bottom: 12px; left: 12px; border-bottom: 2px solid; border-left: 2px solid; }
.video-corner.br { bottom: 12px; right: 12px; border-bottom: 2px solid; border-right: 2px solid; }

@keyframes cornerIn {
    to { opacity: 0.5; }
}

.video-overlay {
    position: absolute;
    inset: 0;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    background: rgba(0,0,0,0.3);
    cursor: pointer;
    transition: opacity 0.5s;
    z-index: 2;
}

.video-overlay.hidden {
    opacity: 0;
    pointer-events: none;
}

.play-btn {
    position: relative;
    width: 64px; height: 64px;
}

.play-ring {
    position: absolute;
    inset: 0;
    border-radius: 50%;
    border: 2px solid rgba(255,255,255,0.3);
    animation: ringExpand 2s ease-out infinite;
}

.play-ring.delay {
    animation-delay: 0.6s;
}

@keyframes ringExpand {
    0% { transform: scale(1); opacity: 0.6; }
    100% { transform: scale(1.6); opacity: 0; }
}

.play-btn svg {
    position: relative;
    z-index: 2;
    width: 100%; height: 100%;
    padding: 16px;
    filter: drop-shadow(0 2px 8px rgba(0,0,0,0.2));
    transition: transform 0.3s var(--ease-bounce);
}

.play-btn:hover svg {
    transform: scale(1.15);
}

.overlay-hint {
    color: rgba(255,255,255,0.8);
    font-size: 0.8rem;
    margin-top: 0.8rem;
    letter-spacing: 0.15em;
    opacity: 0;
    animation: fadeInUp 0.5s var(--ease) 1s forwards;
}

.video-caption {
    font-size: 0.9rem;
    color: var(--text-muted);
    font-style: italic;
}

.video-caption p {
    opacity: 0;
    animation: fadeInUp 0.6s var(--ease) 1.2s forwards;
}

/* ---- 名句展示 ---- */
.poem-section {
    padding: 6rem 0 5rem;
    text-align: center;
    background: var(--bg);
    position: relative;
    overflow: hidden;
}

.poem-bg-ornament {
    position: absolute;
    top: 50%; left: 50%;
    transform: translate(-50%, -50%);
    width: 500px; height: 500px;
    border-radius: 50%;
    border: 1px solid rgba(194,77,59,0.05);
    pointer-events: none;
}

.poem-bg-ornament::before {
    content: '';
    position: absolute;
    top: 50%; left: 50%;
    transform: translate(-50%, -50%);
    width: 400px; height: 400px;
    border-radius: 50%;
    border: 1px dashed rgba(194,77,59,0.06);
}

.poem-header {
    margin-bottom: 2.5rem;
}

.poem-tag {
    font-size: 0.8rem;
    color: var(--accent);
    letter-spacing: 0.3em;
    padding: 0.35rem 1.2rem;
    border: 1px solid rgba(194,77,59,0.2);
    border-radius: 20px;
    display: inline-block;
}

.poem-display {
    position: relative;
    display: inline-block;
    margin-bottom: 1.5rem;
}

.poem-line {
    font-family: var(--font-display);
    font-size: clamp(1.8rem, 5vw, 3rem);
    color: var(--text);
    letter-spacing: 0.15em;
    line-height: 1.5;
}

.poem-line .char {
    display: inline-block;
    opacity: 0;
    transform: translateY(30px) scale(0.8);
    filter: blur(4px);
}

.poem-line.animated .char {
    animation: charReveal 0.7s var(--ease) forwards;
}

@keyframes charReveal {
    to {
        opacity: 1;
        transform: translateY(0) scale(1);
        filter: blur(0);
    }
}

.poem-divider {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.8rem;
    margin: 0.8rem 0;
    opacity: 0;
}

.poem-divider.animated {
    animation: fadeIn 0.5s ease 0.9s forwards;
}

.divider-dot {
    width: 4px; height: 4px;
    border-radius: 50%;
    background: var(--accent);
    opacity: 0.4;
}

.divider-icon {
    font-size: 0.7rem;
    color: var(--accent);
    letter-spacing: 0.3em;
}

.poem-cursor {
    display: inline-block;
    width: 2px;
    height: 1.2em;
    background: var(--accent);
    margin-left: 0.2rem;
    vertical-align: middle;
    animation: cursorBlink 1s step-end infinite;
    opacity: 0;
}

.poem-cursor.visible {
    opacity: 1;
}

@keyframes cursorBlink {
    0%, 100% { opacity: 1; }
    50% { opacity: 0; }
}

.poem-source {
    font-size: 0.85rem;
    color: var(--text-muted);
    letter-spacing: 0.1em;
    opacity: 0;
}

.poem-source.animated {
    animation: fadeInUp 0.6s var(--ease) 1.2s forwards;
}

.poem-arrow {
    margin-top: 2rem;
    opacity: 0;
}

.poem-arrow.animated {
    animation: fadeInUp 0.5s var(--ease) 1.5s forwards, arrowBounce 2s ease-in-out 2s infinite;
}

.poem-arrow svg {
    width: 24px; height: 24px;
    color: var(--accent);
    opacity: 0.5;
}

@keyframes arrowBounce {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(8px); }
}

/* ---- 名句解析 ---- */
.meaning-section {
    padding: 5rem 0 6rem;
    background: linear-gradient(180deg, var(--bg) 0%, var(--bg-warm) 40%, var(--bg-warm) 60%, var(--bg) 100%);
    position: relative;
    overflow: hidden;
}

.meaning-bg-gradient {
    position: absolute;
    top: 0; left: 0; right: 0;
    height: 300px;
    background: radial-gradient(ellipse at 50% 0%, rgba(194,77,59,0.04) 0%, transparent 70%);
    pointer-events: none;
}

.meaning-cards {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.5rem;
    margin-bottom: 3rem;
    position: relative;
    z-index: 2;
}

.m-card {
    background: var(--card);
    border-radius: 16px;
    padding: 2.5rem 1.8rem;
    text-align: center;
    box-shadow: 0 4px 24px rgba(0,0,0,0.04);
    transition: all 0.5s var(--ease);
    position: relative;
    overflow: hidden;
    transform-style: preserve-3d;
    perspective: 1000px;
}

.m-card:hover {
    transform: translateY(-8px) rotateX(2deg);
    box-shadow: 0 20px 50px rgba(0,0,0,0.08);
}

.m-card-shine {
    position: absolute;
    top: 0; left: -100%;
    width: 50%; height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.4), transparent);
    transform: skewX(-20deg);
    transition: left 0.7s;
    pointer-events: none;
}

.m-card:hover .m-card-shine {
    left: 150%;
}

.m-card-visual {
    width: 110px;
    height: 80px;
    margin: 0 auto 1.2rem;
    position: relative;
}

.visual-ring {
    position: absolute;
    top: 50%; left: 50%;
    transform: translate(-50%, -50%);
    width: 100px; height: 100px;
    border-radius: 50%;
    border: 1px solid rgba(194,77,59,0.1);
    animation: ringRotate 20s linear infinite;
}

@keyframes ringRotate {
    to { transform: translate(-50%, -50%) rotate(360deg); }
}

.m-card-visual svg {
    width: 100%; height: 100%;
    position: relative;
    z-index: 2;
}

.bird-wing-l, .bird-wing-r {
    transform-origin: 70px 45px;
    animation: wingFlap 3s ease-in-out infinite;
}

.bird-wing-r {
    animation-delay: 0.15s;
}

@keyframes wingFlap {
    0%, 100% { transform: scaleY(1); }
    50% { transform: scaleY(0.85); }
}

.m-card-content h3 {
    font-family: var(--font-display);
    font-size: 1.5rem;
    margin-bottom: 0.6rem;
}

.m-card-desc {
    font-size: 0.88rem;
    color: var(--text-light);
    line-height: 1.8;
    margin-bottom: 1.2rem;
}

.m-card-meaning {
    background: linear-gradient(135deg, #fdf8f5, #f5ebe5);
    border-radius: 10px;
    padding: 1.2rem;
    text-align: left;
    position: relative;
    overflow: hidden;
}

.meaning-bar {
    position: absolute;
    top: 0; left: 0;
    width: 3px; height: 100%;
    background: var(--accent);
    border-radius: 3px;
}

.meaning-label {
    font-size: 0.7rem;
    color: var(--accent);
    letter-spacing: 0.15em;
    text-transform: uppercase;
    display: block;
    margin-bottom: 0.3rem;
    padding-left: 0.8rem;
}

.m-card-meaning p {
    font-size: 0.9rem;
    color: var(--text);
    line-height: 1.7;
    padding-left: 0.8rem;
}

.meaning-total {
    max-width: 640px;
    margin: 0 auto;
    position: relative;
}

.total-glow {
    position: absolute;
    inset: -20px;
    border-radius: 24px;
    background: radial-gradient(ellipse at center, rgba(194,77,59,0.06) 0%, transparent 70%);
    pointer-events: none;
}

.total-inner {
    background: var(--card);
    border-radius: 16px;
    padding: 2.5rem 2rem;
    text-align: center;
    box-shadow: 0 8px 40px rgba(0,0,0,0.05);
    border-top: 3px solid var(--accent);
    position: relative;
    z-index: 2;
}

.total-label {
    font-size: 0.8rem;
    color: var(--accent);
    letter-spacing: 0.2em;
    margin-bottom: 0.8rem;
}

.total-highlight {
    font-family: var(--font-display);
    font-size: 1.2rem;
    color: var(--text);
    line-height: 1.9;
    margin-bottom: 1rem;
}

.total-divider {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.8rem;
    margin: 1.2rem 0;
}

.total-divider span:first-child,
.total-divider span:last-child {
    flex: 1;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--border), transparent);
}

.total-divider span:nth-child(2) {
    font-size: 0.6rem;
    color: var(--accent);
    opacity: 0.5;
}

.total-sub {
    font-size: 0.9rem;
    color: var(--text-light);
    line-height: 1.9;
}

/* ---- 心意 ---- */
.heart-section {
    padding: 6rem 0;
    background: linear-gradient(180deg, #1e1e1e 0%, #252019 50%, #1e1e1e 100%);
    color: white;
    position: relative;
    overflow: hidden;
}

.heart-particles {
    position: absolute;
    inset: 0;
    pointer-events: none;
    overflow: hidden;
}

.heart-particle {
    position: absolute;
    width: 3px; height: 3px;
    background: rgba(255,255,255,0.15);
    border-radius: 50%;
    animation: floatUp linear infinite;
}

@keyframes floatUp {
    0% { transform: translateY(100%) translateX(0); opacity: 0; }
    10% { opacity: 0.6; }
    90% { opacity: 0.6; }
    100% { transform: translateY(-100vh) translateX(30px); opacity: 0; }
}

.heart-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
    position: relative;
    z-index: 2;
}

.heart-item {
    background: rgba(255,255,255,0.03);
    border: 1px solid rgba(255,255,255,0.06);
    border-radius: 12px;
    padding: 2rem 1.5rem;
    text-align: center;
    transition: all 0.5s var(--ease);
    position: relative;
    overflow: hidden;
}

.heart-item::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0;
    height: 2px;
    background: linear-gradient(90deg, transparent, var(--accent), transparent);
    transform: scaleX(0);
    transition: transform 0.5s var(--ease);
}

.heart-item:hover {
    background: rgba(255,255,255,0.06);
    border-color: rgba(255,255,255,0.12);
    transform: translateY(-6px);
}

.heart-item:hover::before {
    transform: scaleX(1);
}

.heart-item-num {
    font-size: 0.65rem;
    color: var(--accent-light);
    letter-spacing: 0.15em;
    margin-bottom: 1rem;
    display: inline-block;
    padding: 0.15rem 0.5rem;
    border: 1px solid rgba(224,112,96,0.3);
    border-radius: 4px;
}

.heart-item-icon {
    width: 40px; height: 40px;
    margin: 0 auto 1rem;
    color: var(--accent-light);
    opacity: 0.8;
    transition: all 0.4s;
}

.heart-item:hover .heart-item-icon {
    transform: scale(1.15);
    opacity: 1;
}

.heart-item-icon svg {
    width: 100%; height: 100%;
}

.heart-item h4 {
    font-family: var(--font-display);
    font-size: 1.15rem;
    margin-bottom: 0.6rem;
    color: white;
}

.heart-item p {
    font-size: 0.85rem;
    color: rgba(255,255,255,0.55);
    line-height: 1.9;
}

/* ---- 历史由来 ---- */
.story-section {
    padding: 6rem 0;
    background: var(--bg);
    position: relative;
    overflow: hidden;
}

.story-bg-text {
    position: absolute;
    top: 50%; left: 50%;
    transform: translate(-50%, -50%);
    font-family: var(--font-display);
    font-size: clamp(6rem, 15vw, 12rem);
    color: rgba(0,0,0,0.02);
    white-space: nowrap;
    pointer-events: none;
    user-select: none;
}

.story-quote-box {
    max-width: 600px;
    margin: 0 auto 3rem;
    background: linear-gradient(135deg, #f8f5f0, #f0ebe3);
    border-radius: 16px;
    padding: 2.5rem 2rem;
    text-align: center;
    position: relative;
    box-shadow: 0 4px 24px rgba(0,0,0,0.04);
    overflow: hidden;
}

.story-quote-box::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--accent), var(--gold));
}

.quote-decoration {
    position: absolute;
    font-family: var(--font-display);
    font-size: 4rem;
    color: var(--accent);
    opacity: 0.15;
    line-height: 1;
}

.quote-decoration.tl { top: 0.5rem; left: 1rem; }
.quote-decoration.br { bottom: 0.5rem; right: 1rem; }

.quote-line {
    font-family: var(--font-display);
    font-size: 1.05rem;
    color: var(--text);
    line-height: 2.2;
    letter-spacing: 0.03em;
}

.quote-line.highlight {
    color: var(--accent);
    font-size: 1.2rem;
    font-weight: 600;
    margin: 0.3rem 0;
}

.quote-source {
    display: block;
    font-size: 0.8rem;
    color: var(--text-muted);
    margin-top: 1rem;
    letter-spacing: 0.1em;
}

.story-timeline {
    max-width: 700px;
    margin: 0 auto;
    position: relative;
    padding-left: 30px;
}

.timeline-track {
    position: absolute;
    left: 6px;
    top: 0;
    width: 2px;
    height: 0;
    background: linear-gradient(180deg, var(--accent), var(--gold), rgba(0,0,0,0.1));
    border-radius: 2px;
    transition: height 1.5s var(--ease);
}

.timeline-track.grown {
    height: 100%;
}

.timeline-item {
    position: relative;
    margin-bottom: 2rem;
    padding-left: 1.5rem;
}

.timeline-dot {
    position: absolute;
    left: -26px;
    top: 6px;
    width: 14px; height: 14px;
    border-radius: 50%;
    background: var(--bg);
    border: 2.5px solid var(--accent);
    transition: all 0.4s var(--ease-bounce);
}

.timeline-item:hover .timeline-dot {
    transform: scale(1.3);
    box-shadow: 0 0 0 6px rgba(194,77,59,0.15);
}

.timeline-card {
    background: var(--card);
    border-radius: 10px;
    padding: 1.5rem;
    box-shadow: 0 2px 16px rgba(0,0,0,0.03);
    transition: all 0.4s;
}

.timeline-card:hover {
    transform: translateX(5px);
    box-shadow: 0 8px 30px rgba(0,0,0,0.06);
}

.timeline-era {
    font-size: 0.72rem;
    color: var(--accent);
    letter-spacing: 0.15em;
    margin-bottom: 0.3rem;
    display: block;
    font-weight: 600;
}

.timeline-card h4 {
    font-family: var(--font-display);
    font-size: 1.2rem;
    margin-bottom: 0.4rem;
}

.timeline-card p {
    font-size: 0.88rem;
    color: var(--text-light);
    line-height: 1.8;
}

.story-note {
    max-width: 600px;
    margin: 2rem auto 0;
    text-align: center;
    display: flex;
    align-items: center;
    gap: 1rem;
}

.note-line {
    flex: 1;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--border), transparent);
}

.story-note p {
    font-size: 0.88rem;
    color: var(--text-muted);
    font-style: italic;
    line-height: 1.8;
    white-space: nowrap;
}

/* ---- 页脚 ---- */
.site-footer {
    background: var(--bg-dark);
    color: white;
    padding: 5rem 1.5rem 4rem;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.footer-glow {
    position: absolute;
    top: 0; left: 50%;
    transform: translateX(-50%);
    width: 600px; height: 200px;
    background: radial-gradient(ellipse at center, rgba(194,77,59,0.08) 0%, transparent 70%);
    pointer-events: none;
}

.footer-poem {
    font-family: var(--font-display);
    font-size: clamp(1.2rem, 3vw, 1.6rem);
    color: rgba(255,255,255,0.9);
    letter-spacing: 0.1em;
    margin-bottom: 0.6rem;
    line-height: 2;
}

.fp-char {
    display: inline-block;
    opacity: 0;
    transform: translateY(10px);
}

.fp-char.visible {
    animation: footerCharIn 0.4s var(--ease) forwards;
}

@keyframes footerCharIn {
    to { opacity: 1; transform: translateY(0); }
}

.fp-space {
    display: inline-block;
    width: 0.8em;
}

.footer-from {
    font-size: 0.85rem;
    color: rgba(255,255,255,0.4);
    letter-spacing: 0.08em;
    margin-bottom: 1.5rem;
}

.footer-heart {
    width: 28px; height: 28px;
    margin: 0 auto;
    color: var(--accent-light);
    opacity: 0.6;
    animation: heartBeat 2s ease-in-out infinite;
}

.footer-heart svg {
    width: 100%; height: 100%;
}

@keyframes heartBeat {
    0%, 100% { transform: scale(1); opacity: 0.6; }
    25% { transform: scale(1.15); opacity: 0.9; }
    50% { transform: scale(1); opacity: 0.6; }
    75% { transform: scale(1.1); opacity: 0.8; }
}

/* ---- 回到顶部 ---- */
.back-top {
    position: fixed;
    bottom: 1.5rem; right: 1.5rem;
    width: 44px; height: 44px;
    border-radius: 50%;
    background: white;
    border: 1px solid var(--border);
    color: var(--accent);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transform: translateY(15px) scale(0.8);
    transition: all 0.4s var(--ease-bounce);
    z-index: 99;
    box-shadow: 0 4px 16px rgba(0,0,0,0.08);
}

.back-top.visible {
    opacity: 1;
    transform: translateY(0) scale(1);
}

.back-top:hover {
    background: var(--accent);
    color: white;
    border-color: var(--accent);
    transform: translateY(-4px) scale(1.1);
}

.back-top svg {
    width: 18px; height: 18px;
}

/* ---- 滚动揭示动画 ---- */
[data-reveal] {
    opacity: 0;
}

[data-reveal="fade-up"] {
    transform: translateY(40px);
}

[data-reveal="fade-down"] {
    transform: translateY(-30px);
}

[data-reveal="slide-right"] {
    transform: translateX(-50px);
}

[data-reveal="slide-left"] {
    transform: translateX(50px);
}

[data-reveal="slide-up"] {
    transform: translateY(60px);
}

[data-reveal="scale-up"] {
    transform: scale(0.85);
}

[data-reveal="grow-height"] {
    transform: scaleY(0);
    transform-origin: top;
}

[data-reveal].revealed {
    opacity: 1;
    transform: translate(0) scale(1);
    transition: opacity 0.8s var(--ease), transform 0.8s var(--ease);
}

[data-reveal].revealed-delay {
    transition-delay: var(--reveal-delay, 0s);
}

/* ---- 响应式 ---- */
@media (max-width: 768px) {
    .nav-menu {
        position: fixed;
        top: 50px; left: 0; right: 0;
        background: rgba(250,248,245,0.98);
        backdrop-filter: blur(12px);
        flex-direction: column;
        align-items: center;
        padding: 1.5rem 0;
        gap: 1.2rem;
        transform: translateY(-100%);
        opacity: 0;
        pointer-events: none;
        transition: all 0.4s var(--ease);
        box-shadow: 0 8px 30px rgba(0,0,0,0.08);
    }

    .nav-menu.open {
        transform: translateY(0);
        opacity: 1;
        pointer-events: all;
    }

    .nav-toggle { display: flex; }

    .nav-toggle.open span:nth-child(1) { transform: rotate(45deg) translate(4px, 4px); }
    .nav-toggle.open span:nth-child(2) { opacity: 0; }
    .nav-toggle.open span:nth-child(3) { transform: rotate(-45deg) translate(4px, -4px); }

    .poem-line { font-size: 1.5rem; }

    .meaning-cards { grid-template-columns: 1fr; }

    .heart-grid { grid-template-columns: 1fr; }

    .story-detail { grid-template-columns: 1fr; }

    .story-timeline { padding-left: 20px; }

    .timeline-dot { left: -18px; width: 12px; height: 12px; }

    .story-note { flex-direction: column; gap: 0.5rem; }
    .story-note p { white-space: normal; }
}

@media (max-width: 480px) {
    .poem-line { font-size: 1.3rem; }
    .section-head h2 { font-size: 1.6rem; }
    .total-highlight { font-size: 1.05rem; }
    .footer-poem { font-size: 1.1rem; }
}

::-webkit-scrollbar { width: 5px; }
::-webkit-scrollbar-track { background: var(--bg); }
::-webkit-scrollbar-thumb { background: rgba(194,77,59,0.2); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: rgba(194,77,59,0.35); }