/* ===== 清新配色变量 ===== */
:root {
    --tea: #7bb8a0;
    --tea-light: #d4ebe0;
    --tea-dark: #4f8a72;
    --bg-warm: #f5f9f7;
    --text-dark: #2d3a34;
    --text-muted: #6f8a7c;
    --shadow: 0 4px 20px rgba(123, 184, 160, 0.10);
    --shadow-hover: 0 8px 40px rgba(123, 184, 160, 0.18);
    --radius: 16px;
    --radius-lg: 24px;
    --font-serif: 'Georgia', 'Noto Serif SC', serif;
    --font-sans: -apple-system, 'PingFang SC', 'Helvetica Neue', sans-serif;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}
html {
    scroll-behavior: smooth;
    -webkit-tap-highlight-color: transparent;
}
body {
    font-family: var(--font-sans);
    background: var(--bg-warm);
    color: var(--text-dark);
    line-height: 1.7;
    overflow-x: hidden;
    padding-bottom: 0;
    position: relative;
}
img {
    display: block;
    max-width: 100%;
}
a {
    text-decoration: none;
    color: inherit;
}

/* ===== 容器 ===== */
.section {
    padding: 40px 20px;
    background: #ffffff;
    margin: 0;
    position: relative;
}
.section-alt {
    background: var(--bg-warm);
}
.section-inner {
    max-width: 960px;
    margin: 0 auto;
    width: 100%;
}

.intro-section {
    background: #ffffff;
    padding: 32px 20px 24px;
    margin-top: -6px;
    position: relative;
    z-index: 4;
}
.intro-section .intro-inner {
    max-width: 960px;
    margin: 0 auto;
    width: 100%;
}

/* ===== 封面 ===== */
.cover {
    position: relative;
    height: 100vh;
    min-height: 560px;
    background: linear-gradient(145deg, #d4ebe0 0%, #b8d9cc 40%, #9ac7b8 100%);
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
    padding: 40px 24px 50px;
    overflow: hidden;
    width: 100%;
}
.cover-bg {
    position: absolute;
    inset: 0;
    background: radial-gradient(ellipse at 20% 80%, rgba(123, 184, 160, 0.20) 0%, transparent 60%),
        radial-gradient(ellipse at 80% 20%, rgba(123, 184, 160, 0.10) 0%, transparent 50%);
    z-index: 1;
}
.cover-pattern {
    position: absolute;
    inset: 0;
    background-image: radial-gradient(circle at 30% 40%, rgba(255, 255, 255, 0.08) 0%, transparent 50%),
        repeating-linear-gradient(45deg, transparent, transparent 60px, rgba(255, 255, 255, 0.03) 60px, rgba(255, 255, 255, 0.03) 61px);
    z-index: 1;
}
.cover-media {
    position: absolute;
    inset: 0;
    z-index: 0;
    overflow: hidden;
}
.cover-media .slide {
    position: absolute;
    inset: 0;
    opacity: 0;
    animation: coverSlideshow 12s infinite;
    background-size: cover;
    background-position: center;
    filter: brightness(0.92) saturate(0.7);
}
.cover-media .slide:nth-child(1) {
    background-image: linear-gradient(135deg, #d4ebe0 0%, #b8d9cc 100%);
    animation-delay: 0s;
}
.cover-media .slide:nth-child(2) {
    background-image: linear-gradient(135deg, #c5e2d4 0%, #a8d0bf 100%);
    animation-delay: 3s;
}
.cover-media .slide:nth-child(3) {
    background-image: linear-gradient(135deg, #b8d9cc 0%, #9ac7b8 100%);
    animation-delay: 6s;
}
.cover-media .slide:nth-child(4) {
    background-image: linear-gradient(135deg, #d0e8dd 0%, #b0d5c6 100%);
    animation-delay: 9s;
}
@keyframes coverSlideshow {
    0%,
    20% {
        opacity: 1;
    }
    25%,
    100% {
        opacity: 0;
    }
}
.cover-overlay {
    position: absolute;
    inset: 0;
    z-index: 2;
    background: linear-gradient(180deg, transparent 30%, rgba(79, 138, 114, 0.15) 70%, rgba(79, 138, 114, 0.25) 100%);
}
.cover-content {
    position: relative;
    z-index: 3;
    color: #1d3d30;
    max-width: 960px;
    margin: 0 auto;
    width: 100%;
}
.cover-badge {
    font-size: 11px;
    letter-spacing: 3px;
    color: var(--tea-dark);
    text-transform: uppercase;
    margin-bottom: 12px;
    opacity: 0.7;
    font-weight: 500;
}
.cover-title {
    font-family: var(--font-serif);
    font-size: 34px;
    font-weight: 700;
    line-height: 1.2;
    letter-spacing: 4px;
    margin-bottom: 8px;
    text-shadow: 0 2px 20px rgba(255, 255, 255, 0.15);
    color: #1d3d30;
}
.cover-title em {
    font-style: normal;
    color: var(--tea-dark);
}
.cover-desc {
    font-size: 15px;
    color: rgba(45, 58, 52, 0.75);
    font-weight: 400;
    letter-spacing: 2px;
    margin-bottom: 28px;
    text-shadow: 0 1px 10px rgba(255, 255, 255, 0.1);
}
.cover-scroll-hint {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 6px;
    color: rgba(45, 58, 52, 0.5);
    font-size: 11px;
    letter-spacing: 2px;
    animation: bounceDown 2s infinite;
}
.cover-scroll-hint .arrow {
    width: 20px;
    height: 20px;
    border-right: 2px solid rgba(45, 58, 52, 0.4);
    border-bottom: 2px solid rgba(45, 58, 52, 0.4);
    transform: rotate(45deg);
    opacity: 0.5;
}
@keyframes bounceDown {
    0%,
    100% {
        transform: translateY(0);
        opacity: 0.5;
    }
    50% {
        transform: translateY(8px);
        opacity: 1;
    }
}
.cover-mashup {
    position: absolute;
    bottom: 140px;
    right: 24px;
    z-index: 2;
    width: 80px;
    height: 80px;
    border-radius: 50%;
    border: 2px solid rgba(255, 255, 255, 0.3);
    overflow: hidden;
    background: rgba(255, 255, 255, 0.15);
    backdrop-filter: blur(6px);
    display: flex;
    align-items: center;
    justify-content: center;
}
.cover-mashup .dot {
    width: 6px;
    height: 6px;
    background: var(--tea-dark);
    border-radius: 50%;
    animation: pulseDot 1.5s infinite;
}
@keyframes pulseDot {
    0%,
    100% {
        opacity: 0.3;
        transform: scale(1);
    }
    50% {
        opacity: 1;
        transform: scale(1.4);
    }
}
.cover-mashup-label {
    position: absolute;
    bottom: 122px;
    right: 32px;
    z-index: 2;
    font-size: 9px;
    color: rgba(45, 58, 52, 0.4);
    letter-spacing: 1px;
}

/* ===== 引子 ===== */
.intro-text {
    font-size: 15px;
    line-height: 1.9;
    color: #3d4a44;
}
.intro-text p {
    margin-bottom: 14px;
    text-indent: 2em;
}
.intro-text .highlight {
    color: var(--tea-dark);
    font-weight: 600;
}

/* ===== 瀑布流 ===== */
.waterfall {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 10px;
    margin: 18px 0 6px;
}
.waterfall-item {
    border-radius: 12px;
    overflow: hidden;
    aspect-ratio: 3/4;
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.04);
    border: 1px solid rgba(123, 184, 160, 0.08);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}
.waterfall-item:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-hover);
}
.waterfall-item img {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
}
.waterfall-item::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(180deg, transparent 30%, rgba(0, 0, 0, 0.5) 100%);
    z-index: 0;
}
.waterfall-item .mock-post {
    position: relative;
    z-index: 1;
    padding: 12px 10px;
    text-align: center;
    color: #fff;
    text-shadow: 0 1px 8px rgba(0, 0, 0, 0.7);
    font-size: 10px;
    line-height: 1.4;
}
.waterfall-item .mock-post .emoji-big {
    font-size: 28px;
    display: block;
    margin-bottom: 4px;
}
.waterfall-caption {
    font-size: 12px;
    color: var(--text-muted);
    text-align: center;
    padding: 8px 0 2px;
    font-style: italic;
    letter-spacing: 0.5px;
}

/* ===== 篇章通用 ===== */
.chapter-number {
    font-size: 11px;
    letter-spacing: 3px;
    color: var(--tea);
    font-weight: 600;
    margin-bottom: 2px;
}
.chapter-headline {
    font-family: var(--font-serif);
    font-size: 20px;
    font-weight: 700;
    margin-bottom: 4px;
    color: var(--text-dark);
}
.chapter-subhead {
    font-size: 13px;
    color: var(--text-muted);
    margin-bottom: 16px;
    font-weight: 300;
}
.section-body {
    font-size: 15px;
    line-height: 1.9;
    color: #3d4a44;
}
.section-body p {
    margin-bottom: 14px;
    text-indent: 2em;
}
.section-body p:last-child {
    margin-bottom: 0;
}

/* ===== 视频容器 ===== */
.video-wrapper {
    border-radius: var(--radius);
    overflow: hidden;
    margin: 14px 0 18px;
    background: #1a1a1a;
    position: relative;
    box-shadow: var(--shadow);
}
.video-wrapper video {
    display: block;
    width: 100%;
    height: auto;
    background: #1a1a1a;
}
.video-wrapper .video-label {
    position: absolute;
    bottom: 12px;
    left: 12px;
    font-size: 10px;
    color: rgba(255, 255, 255, 0.7);
    letter-spacing: 1px;
    background: rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(4px);
    padding: 2px 12px;
    border-radius: 12px;
    pointer-events: none;
}
.video-wrapper.vertical {
    aspect-ratio: 16 / 9;
    max-height: 560px;
}
.video-wrapper.vertical video {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
}
.video-wrapper.horizontal {
    aspect-ratio: 16 / 9;
}
.video-wrapper.horizontal video {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
}

/* ===== 美食地图（三列并排） ===== */
.food-map {
    background: var(--bg-warm);
    border-radius: var(--radius);
    padding: 16px 16px;
    margin: 14px 0 10px;
    border: 1px solid rgba(123, 184, 160, 0.15);
}
.food-map-grid {
    display: grid;
    grid-template-columns: 1fr 1fr 1fr;
    gap: 12px;
}
.food-map-item {
    background: #fff;
    border-radius: 12px;
    padding: 14px 10px;
    box-shadow: var(--shadow);
    cursor: pointer;
    transition: transform 0.2s, box-shadow 0.2s, border-color 0.2s;
    border: 2px solid transparent;
    text-align: center;
}
.food-map-item:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-hover);
}
.food-map-item:active {
    transform: scale(0.96);
}
.food-map-item.active {
    border-color: var(--tea);
    box-shadow: 0 4px 16px rgba(123, 184, 160, 0.20);
}
.food-map-item .fm-icon {
    font-size: 28px;
    margin-bottom: 4px;
}
.food-map-item .fm-name {
    font-size: 13px;
    font-weight: 600;
    color: var(--text-dark);
}
.food-map-item .fm-desc {
    font-size: 10px;
    color: var(--text-muted);
    line-height: 1.3;
    margin-top: 2px;
}
.food-map-item .fm-price {
    font-size: 12px;
    color: var(--tea-dark);
    font-weight: 600;
    margin-top: 4px;
}
.food-map-detail {
    margin-top: 12px;
    padding: 16px 18px;
    background: #fff;
    border-radius: 12px;
    font-size: 13px;
    line-height: 1.6;
    color: var(--text-dark);
    border-left: 3px solid var(--tea);
    display: none;
    box-shadow: var(--shadow);
}
.food-map-detail.show {
    display: block;
    animation: fadeSlide 0.3s ease;
}
@keyframes fadeSlide {
    0% {
        opacity: 0;
        transform: translateY(8px);
    }
    100% {
        opacity: 1;
        transform: translateY(0);
    }
}
.food-map-detail .fm-rec {
    font-size: 12px;
    color: var(--tea-dark);
    background: var(--tea-light);
    padding: 2px 12px;
    border-radius: 20px;
    display: inline-block;
    margin-top: 6px;
}

/* ===== 美食地图弹窗 - 竖屏图片完整显示 ===== */
.food-map-detail img {
    width: 100%;
    max-height: 350px;
    object-fit: contain;
    border-radius: 8px;
    margin-bottom: 10px;
    background: #f0f5f2;
}

/* ===== 音频 ===== */
.audio-player {
    background: var(--bg-warm);
    border-radius: 12px;
    padding: 12px 16px;
    margin: 12px 0 4px;
    display: flex;
    align-items: center;
    gap: 14px;
    border: 1px solid rgba(123, 184, 160, 0.12);
}
.audio-player .ap-btn {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: var(--tea);
    border: none;
    color: #fff;
    font-size: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    flex-shrink: 0;
    transition: background 0.2s, transform 0.2s;
}
.audio-player .ap-btn:hover {
    transform: scale(1.05);
}
.audio-player .ap-btn:active {
    background: var(--tea-dark);
    transform: scale(0.95);
}
.audio-player .ap-btn.playing {
    background: var(--tea-dark);
}
.audio-player .ap-info {
    flex: 1;
    min-width: 0;
}
.audio-player .ap-title {
    font-size: 13px;
    font-weight: 600;
    color: var(--text-dark);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}
.audio-player .ap-sub {
    font-size: 11px;
    color: var(--text-muted);
}
.audio-player .ap-wave {
    display: flex;
    align-items: center;
    gap: 3px;
    height: 24px;
}
.audio-player .ap-wave .bar {
    width: 3px;
    background: var(--tea-light);
    border-radius: 2px;
    height: 8px;
    transition: height 0.2s;
}
.audio-player.playing .ap-wave .bar {
    animation: waveAnim 0.6s infinite alternate;
}
.audio-player.playing .ap-wave .bar:nth-child(1) {
    animation-delay: 0s;
    height: 16px;
}
.audio-player.playing .ap-wave .bar:nth-child(2) {
    animation-delay: 0.1s;
    height: 20px;
}
.audio-player.playing .ap-wave .bar:nth-child(3) {
    animation-delay: 0.2s;
    height: 12px;
}
.audio-player.playing .ap-wave .bar:nth-child(4) {
    animation-delay: 0.3s;
    height: 24px;
}
.audio-player.playing .ap-wave .bar:nth-child(5) {
    animation-delay: 0.15s;
    height: 18px;
}
@keyframes waveAnim {
    0% {
        height: 6px;
    }
    100% {
        height: 22px;
    }
}

/* ===== 滑动对比 ===== */
.compare-slider {
    position: relative;
    border-radius: var(--radius);
    overflow: hidden;
    margin: 14px 0 10px;
    aspect-ratio: 16/10;
    background: #e4f0ea;
    border: 1px solid rgba(123, 184, 160, 0.15);
    user-select: none;
    touch-action: none;
    box-shadow: var(--shadow);
}
.compare-slider .cs-before,
.compare-slider .cs-after {
    position: absolute;
    inset: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 13px;
    font-weight: 500;
    color: rgba(255, 255, 255, 0.9);
    letter-spacing: 1px;
    background-size: cover !important;
    background-position: center !important;
}
.compare-slider .cs-before {
    clip-path: inset(0 50% 0 0);
}
.compare-slider .cs-after {
    clip-path: inset(0 0 0 50%);
}
.compare-slider .cs-label {
    position: absolute;
    top: 12px;
    font-size: 10px;
    letter-spacing: 1px;
    padding: 2px 12px;
    border-radius: 12px;
    background: rgba(0, 0, 0, 0.3);
    backdrop-filter: blur(4px);
    color: #fff;
}
.compare-slider .cs-label.before {
    left: 12px;
}
.compare-slider .cs-label.after {
    right: 12px;
}
.compare-slider .cs-handle {
    position: absolute;
    top: 0;
    bottom: 0;
    left: 50%;
    width: 3px;
    background: #fff;
    transform: translateX(-50%);
    z-index: 5;
    box-shadow: 0 0 12px rgba(0, 0, 0, 0.15);
    cursor: ew-resize;
    touch-action: none;
}
.compare-slider .cs-handle::after {
    content: '⇔';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    background: #fff;
    width: 32px;
    height: 32px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 14px;
    color: var(--text-dark);
    box-shadow: 0 2px 12px rgba(0, 0, 0, 0.1);
}
.compare-slider .cs-caption {
    position: absolute;
    bottom: 12px;
    left: 50%;
    transform: translateX(-50%);
    font-size: 10px;
    color: rgba(255, 255, 255, 0.8);
    background: rgba(0, 0, 0, 0.2);
    backdrop-filter: blur(4px);
    padding: 2px 16px;
    border-radius: 20px;
    white-space: nowrap;
    z-index: 4;
    letter-spacing: 0.5px;
}
.compare-caption-text {
    font-size: 12px;
    color: var(--text-muted);
    text-align: center;
    padding: 4px 0 2px;
    font-style: italic;
}

/* ===== 场景卡片 ===== */
.scene-cards {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 12px;
    margin: 14px 0 6px;
}
.scene-card {
    background: #fff;
    border-radius: 14px;
    padding: 16px 14px;
    box-shadow: var(--shadow);
    cursor: pointer;
    transition: transform 0.2s, box-shadow 0.2s;
    border: 1px solid rgba(123, 184, 160, 0.08);
    position: relative;
    min-height: 90px;
    display: flex;
    flex-direction: column;
    justify-content: center;
}
.scene-card:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-hover);
}
.scene-card:active {
    transform: scale(0.96);
}
.scene-card .sc-icon {
    font-size: 24px;
    margin-bottom: 4px;
}
.scene-card .sc-title {
    font-size: 14px;
    font-weight: 600;
    color: var(--text-dark);
}
.scene-card .sc-desc {
    font-size: 11px;
    color: var(--text-muted);
    line-height: 1.3;
    margin-top: 2px;
}
.scene-card .sc-back {
    display: none;
}
.scene-card.flipped .sc-front {
    display: none;
}
.scene-card.flipped .sc-back {
    display: block;
}
.scene-card .sc-back img {
    width: 100%;
    border-radius: 8px;
    margin-bottom: 6px;
    max-height: 120px;
    object-fit: cover;
}
.scene-card .sc-hint {
    font-size: 10px;
    color: var(--text-muted);
    margin-top: 6px;
    opacity: 0.5;
}

/* ===== 价格展示 ===== */
.price-box {
    background: #f5faf7;
    border-radius: 12px;
    padding: 16px 18px;
    margin: 12px 0 6px;
    border: 1px solid rgba(123, 184, 160, 0.12);
}
.price-grid {
    display: grid;
    grid-template-columns: 1fr 1fr 1fr;
    gap: 8px;
    text-align: center;
    font-size: 13px;
}
.price-item {
    background: #fff;
    border-radius: 8px;
    padding: 10px 4px;
    border: 1px solid rgba(123, 184, 160, 0.08);
    transition: transform 0.2s, box-shadow 0.2s;
}
.price-item:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow);
}
.price-num {
    color: var(--tea-dark);
    font-weight: 600;
}

/* ===== 路线图 ===== */
.route-map {
    background: var(--bg-warm);
    border-radius: var(--radius);
    padding: 18px 16px;
    margin: 14px 0 10px;
    border: 1px solid rgba(123, 184, 160, 0.12);
}
.route-item {
    background: #fff;
    border-radius: 12px;
    padding: 16px 16px;
    margin-bottom: 10px;
    box-shadow: var(--shadow);
    cursor: pointer;
    transition: all 0.2s;
    border-left: 4px solid var(--tea-light);
}
.route-item:hover {
    box-shadow: var(--shadow-hover);
}
.route-item:active {
    transform: scale(0.98);
}
.route-item.active {
    border-left-color: var(--tea);
    background: #f5faf7;
}
.route-item:last-child {
    margin-bottom: 0;
}
.route-item .ri-icon {
    font-size: 18px;
    margin-right: 8px;
}
.route-item .ri-name {
    font-size: 14px;
    font-weight: 600;
    color: var(--text-dark);
}
.route-item .ri-desc {
    font-size: 12px;
    color: var(--text-muted);
    line-height: 1.4;
    margin-top: 2px;
}
.route-item .ri-detail {
    display: none;
    margin-top: 10px;
    padding-top: 10px;
    border-top: 1px solid #e8f0ec;
    font-size: 13px;
    color: var(--text-dark);
    line-height: 1.6;
}
.route-item.active .ri-detail {
    display: block;
    animation: fadeSlide 0.3s ease;
}
.route-item .ri-tag {
    display: inline-block;
    font-size: 10px;
    color: var(--tea-dark);
    background: var(--tea-light);
    padding: 1px 10px;
    border-radius: 12px;
    margin-top: 4px;
}

/* ===== 数据卡片 ===== */
.data-cards {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 12px;
    margin: 14px 0 10px;
}
.data-card {
    background: #fff;
    border-radius: 14px;
    padding: 18px 12px;
    box-shadow: var(--shadow);
    text-align: center;
    border: 1px solid rgba(123, 184, 160, 0.08);
    transition: transform 0.2s, box-shadow 0.2s;
}
.data-card:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-hover);
}
.data-card .dc-number {
    font-family: var(--font-serif);
    font-size: 28px;
    font-weight: 700;
    color: var(--tea-dark);
    line-height: 1.2;
}
.data-card .dc-number .unit {
    font-size: 14px;
    font-weight: 400;
    color: var(--text-muted);
}
.data-card .dc-label {
    font-size: 12px;
    color: var(--text-muted);
    margin-top: 2px;
}
.data-card .dc-icon {
    font-size: 20px;
    margin-bottom: 2px;
}

/* ===== 观点卡片 ===== */
.quote-card {
    background: var(--bg-warm);
    border-radius: var(--radius);
    padding: 20px 20px 16px;
    margin: 14px 0 6px;
    border-left: 4px solid var(--tea);
}
.quote-card .qc-text {
    font-size: 15px;
    line-height: 1.8;
    color: var(--text-dark);
    font-style: italic;
    font-family: var(--font-serif);
}
.quote-card .qc-text::before {
    content: '"';
    font-size: 28px;
    color: var(--tea);
    opacity: 0.3;
    margin-right: 4px;
}
.quote-card .qc-text::after {
    content: '"';
    font-size: 28px;
    color: var(--tea);
    opacity: 0.3;
    margin-left: 4px;
}
.quote-card .qc-source {
    font-size: 12px;
    color: var(--text-muted);
    margin-top: 6px;
    text-align: right;
    font-style: normal;
}

/* ===== 投票 ===== */
.poll-section {
    background: #fff;
    border-radius: var(--radius);
    padding: 22px 20px;
    margin: 14px 0 6px;
    box-shadow: var(--shadow);
    border: 1px solid rgba(123, 184, 160, 0.08);
}
.poll-section .poll-title {
    font-size: 15px;
    font-weight: 600;
    margin-bottom: 12px;
    text-align: center;
    color: var(--text-dark);
}
.poll-option {
    display: flex;
    align-items: center;
    padding: 10px 14px;
    margin-bottom: 6px;
    border-radius: 10px;
    background: var(--bg-warm);
    cursor: pointer;
    transition: background 0.2s, transform 0.2s;
    border: 1px solid transparent;
    position: relative;
}
.poll-option:hover {
    background: var(--tea-light);
}
.poll-option:active {
    transform: scale(0.98);
}
.poll-option.selected {
    border-color: var(--tea);
    background: var(--tea-light);
}
.poll-option .po-check {
    width: 20px;
    height: 20px;
    border-radius: 50%;
    border: 2px solid #c4d9ce;
    margin-right: 12px;
    flex-shrink: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.2s;
}
.poll-option.selected .po-check {
    border-color: var(--tea);
    background: var(--tea);
    color: #fff;
}
.poll-option.selected .po-check::after {
    content: '✓';
    font-size: 12px;
    color: #fff;
}
.poll-option .po-label {
    font-size: 14px;
    color: var(--text-dark);
    flex: 1;
}
.poll-option .po-pct {
    font-size: 13px;
    color: var(--tea-dark);
    font-weight: 500;
    opacity: 0;
    transition: opacity 0.3s;
}
.poll-option.show-pct .po-pct {
    opacity: 1;
}
.poll-option .po-bar {
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    background: var(--tea-light);
    border-radius: 10px;
    width: 0%;
    transition: width 0.6s ease;
    opacity: 0.25;
    z-index: 0;
}
.poll-option>*:not(.po-bar) {
    position: relative;
    z-index: 1;
}
.poll-result {
    text-align: center;
    font-size: 12px;
    color: var(--text-muted);
    margin-top: 10px;
    padding-top: 10px;
    border-top: 1px solid #e8f0ec;
}

/* ===== 攻略长图 ===== */
.guide-poster {
    background: linear-gradient(145deg, var(--bg-warm), #e4f0ea);
    border-radius: var(--radius);
    padding: 24px 20px;
    margin: 14px 0 6px;
    text-align: center;
    border: 1px solid rgba(123, 184, 160, 0.15);
}
.guide-poster .gp-title {
    font-family: var(--font-serif);
    font-size: 18px;
    font-weight: 700;
    color: var(--text-dark);
    margin-bottom: 4px;
}
.guide-poster .gp-sub {
    font-size: 12px;
    color: var(--text-muted);
    margin-bottom: 12px;
}
.guide-poster .gp-grid {
    display: grid;
    grid-template-columns: 1fr 1fr 1fr;
    gap: 8px;
    margin: 10px 0;
}
.guide-poster .gp-item {
    background: rgba(255, 255, 255, 0.7);
    border-radius: 10px;
    padding: 12px 6px;
    font-size: 11px;
    color: var(--text-dark);
    backdrop-filter: blur(4px);
    border: 1px solid rgba(255, 255, 255, 0.3);
    transition: transform 0.2s, box-shadow 0.2s;
}
.guide-poster .gp-item:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow);
}
.guide-poster .gp-item .gp-emoji {
    font-size: 20px;
    display: block;
    margin-bottom: 2px;
}
.guide-poster .gp-save {
    display: inline-block;
    margin-top: 12px;
    padding: 8px 28px;
    background: var(--tea);
    color: #fff;
    border-radius: 24px;
    font-size: 13px;
    font-weight: 500;
    border: none;
    cursor: pointer;
    transition: background 0.2s, transform 0.2s;
    letter-spacing: 1px;
}
.guide-poster .gp-save:hover {
    background: var(--tea-dark);
    transform: translateY(-2px);
}
.guide-poster .gp-save:active {
    background: var(--tea-dark);
    transform: scale(0.95);
}

/* ===== 收尾 ===== */
.outro {
    text-align: center;
    padding: 32px 20px 24px;
    background: linear-gradient(145deg, var(--bg-warm), #e4f0ea);
    border-radius: 0;
    margin-top: 8px;
}
.outro .outro-text {
    font-family: var(--font-serif);
    font-size: 17px;
    line-height: 2;
    color: var(--text-dark);
    letter-spacing: 1px;
}
.outro .outro-text em {
    font-style: normal;
    color: var(--tea-dark);
}
.outro .outro-divider {
    width: 60px;
    height: 2px;
    background: var(--tea);
    margin: 16px auto;
    opacity: 0.25;
}
.outro .outro-small {
    font-size: 12px;
    color: var(--text-muted);
    letter-spacing: 2px;
}

/* ===== Toast ===== */
.toast {
    position: fixed;
    bottom: 80px;
    left: 50%;
    transform: translateX(-50%) translateY(20px);
    background: rgba(45, 58, 52, 0.85);
    color: #fff;
    padding: 10px 24px;
    border-radius: 24px;
    font-size: 13px;
    backdrop-filter: blur(8px);
    opacity: 0;
    transition: all 0.4s ease;
    z-index: 999;
    pointer-events: none;
    white-space: nowrap;
}
.toast.show {
    opacity: 1;
    transform: translateX(-50%) translateY(0);
}

/* ===== 滚动条 ===== */
::-webkit-scrollbar {
    width: 4px;
}
::-webkit-scrollbar-track {
    background: transparent;
}
::-webkit-scrollbar-thumb {
    background: var(--tea-light);
    border-radius: 10px;
}

/* ================================================================ */
/* ===== PC端专属优化 ===== */
@media (min-width: 769px) {
    body {
        background: #eaf3ef;
        padding: 20px;
    }

    .section {
        padding: 48px 40px;
        border-radius: var(--radius-lg);
        margin-bottom: 16px;
        box-shadow: var(--shadow);
    }
    .section-alt {
        background: var(--bg-warm);
    }
    .intro-section {
        padding: 32px 40px 28px;
        border-radius: var(--radius-lg);
        margin-bottom: 16px;
        box-shadow: var(--shadow);
        margin-top: -6px;
    }
    .section-inner,
    .intro-section .intro-inner {
        max-width: 820px;
        margin: 0 auto;
    }

    .cover {
        min-height: 520px;
        height: 70vh;
        max-height: 640px;
        border-radius: var(--radius-lg);
        padding: 48px 56px 48px;
        margin-bottom: 16px;
        box-shadow: var(--shadow);
    }
    .cover-content {
        max-width: 820px;
        margin: 0 auto;
    }
    .cover-title {
        font-size: 52px;
        letter-spacing: 8px;
    }
    .cover-desc {
        font-size: 18px;
        letter-spacing: 4px;
    }
    .cover-mashup {
        right: 48px;
        bottom: 120px;
        width: 96px;
        height: 96px;
    }
    .cover-mashup-label {
        right: 56px;
        bottom: 100px;
        font-size: 10px;
    }
    .cover-badge {
        font-size: 12px;
        letter-spacing: 4px;
    }

    .waterfall {
        grid-template-columns: repeat(6, 1fr);
        gap: 14px;
        margin: 20px 0 8px;
    }
    .waterfall-item .mock-post .emoji-big {
        font-size: 32px;
    }
    .waterfall-item .mock-post {
        font-size: 11px;
    }

    .food-map-grid {
        grid-template-columns: 1fr 1fr 1fr;
        gap: 16px;
    }
    .food-map {
        padding: 20px 22px;
    }
    .food-map-item {
        padding: 18px 14px;
    }
    .food-map-item .fm-icon {
        font-size: 32px;
    }
    .food-map-item .fm-name {
        font-size: 14px;
    }
    .food-map-item .fm-desc {
        font-size: 11px;
    }
    .food-map-item .fm-price {
        font-size: 13px;
    }

    .scene-cards {
        grid-template-columns: repeat(4, 1fr);
        gap: 16px;
    }
    .scene-card {
        padding: 18px 16px;
        min-height: 100px;
    }

    .data-cards {
        grid-template-columns: repeat(4, 1fr);
        gap: 16px;
    }

    .guide-poster .gp-grid {
        grid-template-columns: repeat(6, 1fr);
        gap: 12px;
    }

    .price-box {
        padding: 20px 24px;
    }
    .price-grid {
        gap: 12px;
    }
    .price-item {
        padding: 12px 8px;
        font-size: 14px;
    }

    .route-map {
        padding: 22px 22px;
    }
    .route-item {
        padding: 18px 20px;
    }

    .poll-section {
        padding: 28px 28px;
    }
    .guide-poster {
        padding: 28px 28px;
    }

    .outro {
        padding: 40px 48px 32px;
        border-radius: var(--radius-lg);
    }
    .outro .outro-text {
        font-size: 20px;
    }

    .video-wrapper.vertical {
        max-height: 560px;
        aspect-ratio: 16 / 9;
    }
    .video-wrapper.horizontal {
        aspect-ratio: 16 / 7;
    }

    .section-body {
        font-size: 16px;
        line-height: 2;
    }
    .intro-text {
        font-size: 16px;
        line-height: 2;
    }
    .chapter-headline {
        font-size: 24px;
    }
    .chapter-subhead {
        font-size: 14px;
    }

    .compare-slider {
        aspect-ratio: 16/6;
        border-radius: var(--radius);
    }
}

/* ================================================================ */
/* ===== 移动端专属优化 ===== */
@media (max-width: 480px) {
    .section {
        padding: 28px 16px;
    }
    .intro-section {
        padding: 24px 16px 18px;
    }
    .cover {
        padding: 32px 18px 40px;
        min-height: 480px;
        height: 100vh;
        border-radius: 0;
    }
    .cover-title {
        font-size: 28px;
        letter-spacing: 3px;
    }
    .cover-desc {
        font-size: 14px;
    }
    .cover-mashup {
        right: 16px;
        bottom: 120px;
        width: 64px;
        height: 64px;
    }
    .cover-mashup-label {
        right: 20px;
        bottom: 104px;
        font-size: 8px;
    }

    .scene-cards {
        grid-template-columns: 1fr 1fr;
        gap: 8px;
    }
    .data-cards {
        grid-template-columns: 1fr 1fr;
        gap: 8px;
    }
    .food-map-grid {
        grid-template-columns: 1fr 1fr;
        gap: 8px;
    }
    .guide-poster .gp-grid {
        grid-template-columns: 1fr 1fr 1fr;
        gap: 6px;
    }
    .waterfall {
        grid-template-columns: repeat(3, 1fr);
        gap: 6px;
    }
    .compare-slider {
        aspect-ratio: 16/10;
    }
    .food-map {
        padding: 14px 12px;
    }
    .food-map-item {
        padding: 10px 6px;
    }
    .food-map-item .fm-icon {
        font-size: 22px;
    }
    .food-map-item .fm-name {
        font-size: 11px;
    }
    .food-map-item .fm-desc {
        font-size: 9px;
    }
    .food-map-item .fm-price {
        font-size: 11px;
    }
    .scene-card {
        padding: 12px 10px;
        min-height: 76px;
    }
    .price-grid {
        grid-template-columns: 1fr 1fr 1fr;
        gap: 6px;
        font-size: 12px;
    }
    .price-box {
        padding: 14px 12px;
    }
    .price-item {
        padding: 8px 4px;
    }
    .route-item {
        padding: 12px 14px;
    }
    .poll-section {
        padding: 16px 14px;
    }
    .guide-poster {
        padding: 16px 14px;
    }
    .outro {
        padding: 24px 16px 20px;
    }
    .outro .outro-text {
        font-size: 15px;
    }
    .chapter-headline {
        font-size: 18px;
    }
    .video-wrapper.vertical {
        max-height: 400px;
    }
}
/* ===== ★ 新增：封面播放按钮 ===== */
.cover-play-btn {
    display: inline-flex;
    align-items: center;
    gap: 12px;
    cursor: pointer;
    padding: 10px 20px 10px 14px;
    border-radius: 50px;
    background: rgba(255, 255, 255, 0.2);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid rgba(255, 255, 255, 0.25);
    transition: all 0.3s ease;
    margin: 4px 0 16px 0;
    user-select: none;
}
.cover-play-btn:hover {
    background: rgba(255, 255, 255, 0.32);
    transform: scale(1.02);
    box-shadow: 0 4px 24px rgba(123, 184, 160, 0.25);
}
.cover-play-btn:active {
    transform: scale(0.96);
}
.cover-play-btn .play-icon-circle {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background: #ffffff;
    color: var(--tea-dark);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 14px;
    font-weight: 700;
    box-shadow: 0 2px 12px rgba(0, 0, 0, 0.08);
    transition: all 0.3s ease;
}
.cover-play-btn:hover .play-icon-circle {
    background: var(--tea-light);
    transform: scale(1.05);
}
.cover-play-btn .play-text {
    font-size: 13px;
    font-weight: 500;
    color: #fff;
    letter-spacing: 1px;
    text-shadow: 0 1px 8px rgba(0, 0, 0, 0.1);
}

/* ===== ★ 新增：视频播放弹窗 ===== */
.video-overlay {
    position: fixed;
    inset: 0;
    z-index: 9999;
    background: rgba(0, 0, 0, 0.85);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
    transition: all 0.4s ease;
    padding: 20px;
}
.video-overlay.active {
    opacity: 1;
    visibility: visible;
}
.video-overlay-inner {
    position: relative;
    width: 100%;
    max-width: 480px;
    max-height: 90vh;
    border-radius: 16px;
    overflow: hidden;
    box-shadow: 0 8px 64px rgba(0, 0, 0, 0.4);
    background: #000;
}
.video-overlay-inner video {
    display: block;
    width: 100%;
    height: auto;
    max-height: 85vh;
    background: #000;
}
.video-overlay-inner .video-close {
    position: absolute;
    top: 12px;
    right: 12px;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    border: none;
    background: rgba(0, 0, 0, 0.6);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    color: #fff;
    font-size: 18px;
    cursor: pointer;
    transition: all 0.3s ease;
    z-index: 10;
    display: flex;
    align-items: center;
    justify-content: center;
    line-height: 1;
}
.video-overlay-inner .video-close:hover {
    background: rgba(255, 255, 255, 0.2);
    transform: scale(1.1);
}
.video-overlay-inner .video-close:active {
    transform: scale(0.9);
}

/* PC端 */
@media (min-width: 769px) {
    .cover-play-btn {
        padding: 12px 28px 12px 18px;
        gap: 14px;
        margin: 8px 0 20px 0;
    }
    .cover-play-btn .play-icon-circle {
        width: 44px;
        height: 44px;
        font-size: 18px;
    }
    .cover-play-btn .play-text {
        font-size: 15px;
    }
    .video-overlay-inner {
        max-width: 560px;
    }
}
/* 移动端 */
@media (max-width: 480px) {
    .cover-play-btn {
        padding: 8px 16px 8px 10px;
        gap: 10px;
        margin: 2px 0 12px 0;
    }
    .cover-play-btn .play-icon-circle {
        width: 30px;
        height: 30px;
        font-size: 12px;
    }
    .cover-play-btn .play-text {
        font-size: 12px;
    }
    .video-overlay-inner {
        max-width: 100%;
        border-radius: 12px;
    }
    .video-overlay-inner .video-close {
        width: 34px;
        height: 34px;
        font-size: 16px;
        top: 8px;
        right: 8px;
    }
}
/* ===== ★ 封面背景视频 ===== */
.cover-video-bg {
    position: absolute;
    inset: 0;
    z-index: 0;
    overflow: hidden;
}
.cover-video-bg video {
    width: 100%;
    height: 100%;
    object-fit: cover;
}
.cover-video-overlay {
    position: absolute;
    inset: 0;
    background: rgba(0, 0, 0, 0.25);
    z-index: 1;
}
/* 让视频在封面内容下方 */
.cover .cover-content {
    position: relative;
    z-index: 2;
}
.cover .cover-mashup,
.cover .cover-mashup-label {
    z-index: 2;
}