/* ================= 1. 變數與基礎設定 (範圍化限制在 vietnam-wrapper 內) ================= */
.vietnam-wrapper {
    --color-primary: #1a3636;
    --color-accent: #d4af37;
    --color-bg-light: #faf9f6;
    --primary-dark: #2c3e50;
    --accent-gold: #cfa862;
    --color-text-dark: #222222;
    --color-text-light: #ffffff;
    --text-muted: #666666;
    --font-serif: "Noto Serif TC", "Playfair Display", serif;
    --font-sans: "Noto Sans TC", sans-serif;
    --spacing-lg: 100px;
    --spacing-md: 50px;

    font-family: var(--font-sans);
    color: var(--color-text-dark);
    line-height: 1.8;
    overflow-x: hidden;
}

.vietnam-wrapper * {
    box-sizing: border-box;
}

/* 將原本的 h1~h4 標籤改為 class 指定 */
.vietnam-wrapper .vietnam-h1,
.vietnam-wrapper .vietnam-h2,
.vietnam-wrapper .vietnam-h3,
.vietnam-wrapper .vietnam-h4 {
    font-family: var(--font-serif);
    font-weight: 700;
    margin: 0;
    padding: 0;
    display: block;
}

.vietnam-wrapper img {
    max-width: 100%;
    height: auto;
    display: block;
    object-fit: cover;
}

.vietnam-wrapper p,
.vietnam-wrapper li {
    margin: 0;
    padding: 0;
}

.vietnam-wrapper ul {
    padding-top: 1rem;
    margin-top: 1rem;
}

.vietnam-container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 1%;
}

/* ================= 2. 動態進場效果 ================= */
.vietnam-reveal,
.vietnam-fade-up {
    opacity: 0;
    transform: translateY(40px);
    transition: all 0.8s cubic-bezier(0.25, 1, 0.5, 1);
}

.vietnam-reveal.vietnam-active,
.vietnam-fade-up.vietnam-is-visible {
    opacity: 1;
    transform: translateY(0);
}

/* ================= 2.1 延遲進場設定 (Stagger Delays) ================= */
/* 增加延遲動畫的工具 Class，讓元素能一個個排隊進場 */
.vietnam-delay-1 {
    transition-delay: 0.1s !important;
}

.vietnam-delay-2 {
    transition-delay: 0.3s !important;
}

.vietnam-delay-3 {
    transition-delay: 0.5s !important;
}

.vietnam-delay-4 {
    transition-delay: 0.7s !important;
}

/* ================= 3. 標題區 ================= */
.vietnam-editorial-header {
    text-align: center;
    padding: var(--spacing-lg) 0 var(--spacing-md);
}

.vietnam-editorial-header .vietnam-h1 {
    font-size: clamp(2rem, 6vw, 4rem);
    color: var(--color-primary);
    letter-spacing: 0.1em;
    margin-bottom: 20px;
    line-height: 1.2;
}

.vietnam-editorial-header .vietnam-subtitle {
    font-family: var(--font-serif);
    font-size: clamp(1.2rem, 2vw, 1.8rem);
    color: var(--color-accent);
    font-style: italic;
}

.vietnam-section-title {
    text-align: center;
    font-size: clamp(1.8rem, 5vw, 2.8rem);
    margin-bottom: var(--spacing-md);
    color: var(--color-primary);
    position: relative;
}

.vietnam-section-title::after {
    content: "";
    display: block;
    width: 60px;
    height: 3px;
    background: var(--color-accent);
    margin: 15px auto 0;
}

/* ================= 4. 行程特色 (Tour Info) ================= */
.vietnam-tour-info-section {
    margin: 1rem auto 2rem;
    position: relative;
    z-index: 10;
}

.vietnam-price-box {
    background: var(--primary-dark);
    color: #fff;
    padding: 20px 16px;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.15);
    border-top: 5px solid var(--accent-gold);
}

@media (min-width: 992px) {
    .vietnam-price-box {

        padding: 40px 30px;

    }
}

.vietnam-price-box .vietnam-h2 {
    font-size: 1.5rem;
    margin-bottom: 20px;
    color: var(--accent-gold);
    border-bottom: 1px solid rgba(255, 255, 255, 0.2);
    padding-bottom: 10px;
}

.vietnam-price-box .vietnam-h3 {
    font-size: 1.5rem;
    margin-bottom: 20px;
    color: var(--accent-gold);
    border-bottom: 1px solid rgba(255, 255, 255, 0.2);
    padding-bottom: 10px;
}

.vietnam-details-list {
    list-style: none;
    margin-bottom: 25px;
}

.vietnam-details-list li {
    margin-bottom: 10px;
    position: relative;
    padding-left: 25px;
}

.vietnam-details-list li::before {
    content: "★";
    position: absolute;
    left: 0;
    color: var(--accent-gold);
}

.vietnam-details-list.vietnam-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
    padding-left: 0;
}

.vietnam-details-list .vietnam-tag {
    color: #2c3e50;
    display: inline-block;
    background-color: var(--accent-gold);
    padding: 0 10px;
    font-weight: bold;
    margin-left: 10px;
    border-radius: 10px 0 10px 0;
    font-size: 0.85rem;
}

.vietnam-tag-main {
    color: #2c3e50;
    display: flex;
    background-color: var(--accent-gold);
    padding: 5px 10px;
    font-weight: bold;
    border-radius: 10px 0 10px 0;
    font-size: 0.6em;
    margin-right: 5px;
    align-content: center;
    justify-content: center;
    flex-wrap: wrap;
    align-items: center;
    min-height: 2.2em;
}

/* ================= 5. 滿版視覺與內容卡片 (Hero & Content) ================= */
.vietnam-day-block {
    margin-bottom: 120px;
}

.vietnam-cruise-hero,
.vietnam-day-hero {
    width: 100%;
    position: relative;
    background-size: cover;
    background-position: center;
    background-attachment: fixed;
    display: flex;
    overflow: hidden;
}

.vietnam-day-hero {
    left: 50%;
    transform: translateX(-50%);
}


.vietnam-cruise-hero {
    height: 85vh;
    min-height: 500px;
    align-items: center;
    margin-bottom: var(--spacing-lg);
}

.vietnam-day-hero {
    height: 95vh;
    min-height: 650px;
    align-items: flex-end;
    padding-bottom: 80px;
}

.vietnam-cruise-hero::after,
.vietnam-day-overlay {
    content: "";
    position: absolute;
    inset: 0;
    z-index: 1;
}

.vietnam-cruise-hero::after {
    background: linear-gradient(90deg, rgba(0, 0, 0, 0.3) 0%, rgba(0, 0, 0, 0.1) 50%, rgba(0, 0, 0, 0.3) 100%);
}

.vietnam-day-overlay {
    background: linear-gradient(to top, rgba(0, 0, 0, 0.9) 0%, rgba(0, 0, 0, 0.2) 60%, transparent 100%);
}

.vietnam-cruise-content,
.vietnam-day-title-container {
    position: relative;
    z-index: 2;
    color: #ffffff;
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 5%;
}

.vietnam-cruise-content {
    display: flex;
    justify-content: center;

    padding: 1rem 0;
}

.vietnam-cruise-text-card {
    max-width: 600px;
    padding: 2rem;
    background-color: rgba(26, 54, 54, 0.5);
    backdrop-filter: blur(3px);
    -webkit-backdrop-filter: blur(3px);
    border-left: 3px solid var(--color-accent);
    border-radius: 4px;
}

.vietnam-cruise-hero .vietnam-h2 {
    font-size: clamp(1.35rem, 5vw, 2.25rem);
    color: var(--color-accent);
    letter-spacing: 0.05em;
    line-height: 1.25;
    margin-bottom: 1rem;
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    align-items: center;
}

.vietnam-drop-cap::first-letter {
    font-size: clamp(1.5rem, 5vw, 3rem);
    color: #ffffff;
    float: left;
    line-height: 1;
    padding-right: 15px;
    font-family: var(--font-serif);
}

.vietnam-intro-p {
    font-size: clamp(14px, 2.5vw, 1.1rem);
    opacity: 0.9;
    text-align: justify;
}

.vietnam-feature-list {
    list-style: none;
    border-top: 1px solid rgba(255, 255, 255, 0.2);
    padding-top: 1rem;
    margin-top: 1rem;
}

.vietnam-feature-list li {
    position: relative;
    padding-left: 1.25rem;
    font-size: clamp(14px, 2.5vw, 1.1rem);
    font-weight: 500;
    margin-bottom: 5px;
    display: flex;
    align-items: center;
}

.vietnam-feature-list li::before {
    content: "✓";
    position: absolute;
    left: 0;
    top: 0;
    color: var(--color-accent);
    font-weight: bold;
}

.vietnam-day-title-container .vietnam-h2 {
    font-size: clamp(1.8rem, 5vw, 2rem);
    color: var(--color-accent);
    margin-bottom: 10px;
    display: flex;
    align-items: center;
    gap: 15px;
}

.vietnam-day-title-container .vietnam-h2 span {
    font-family: var(--font-sans);
    font-size: clamp(14px, 2.5vw, 1.1rem);
    background: var(--color-accent);
    color: var(--primary-dark);
    padding: 5px 15px;
    border-radius: 50px;
    font-weight: bold;
}

.vietnam-day-title-container p.vietnam-route {
    font-size: 1.5rem;
    letter-spacing: 2px;
}

.vietnam-day-content-card {
    background: #fff;
    max-width: 1000px;
    margin: -50px auto 0;
    position: relative;
    z-index: 10;
    padding: 50px;
    box-shadow: 0 25px 50px rgba(0, 0, 0, 0.1);
    border-top: 5px solid var(--color-primary);
}

.vietnam-desc-text p {
    text-align: justify;
    font-size: 1.05rem;
    line-height: 1.9;
}

.vietnam-tag-org {
    color: #d35400;
    font-size: 0.95rem;
    font-weight: bold;
    margin-top: 15px;
}

/* ================= 平板尺寸優化 (Max: 992px) ================= */
@media (max-width: 992px) {

    .vietnam-cruise-hero,
    .vietnam-day-hero {
        background-attachment: scroll;
    }

    .vietnam-cruise-hero {
        height: 60vh;
        min-height: 400px;
    }

    .vietnam-day-hero {
        height: 60vh;
        min-height: 450px;
        padding-bottom: 50px;
    }
}

/* ================= 手機尺寸優化 (Max: 768px) ================= */
@media (max-width: 768px) {

    .vietnam-cruise-hero,
    .vietnam-day-hero {
        height: auto;
        min-height: 450px;
        padding-top: 40px;
        padding-bottom: 40px;
    }
}

/* ================= 6. 雜誌風交錯畫廊 (Magazine Gallery) ================= */
.vietnam-magazine-gallery {
    display: grid;
    grid-template-columns: repeat(12, 1fr);
    grid-auto-rows: minmax(100px, auto);
    gap: 10px;
    margin-top: var(--spacing-md);
    margin-bottom: var(--spacing-lg);
}

.vietnam-img-block {
    position: relative;
    overflow: hidden;
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.1);
    border-radius: 4px;
}

.vietnam-img-block img {
    width: 100%;
    height: 100%;
    transition: transform 0.6s ease;
}

.vietnam-img-block:hover img {
    transform: scale(1.05);
}

.vietnam-magazine-gallery .vietnam-text-block {
    background-color: #fdfaf5;
    padding: 30px;
    border-radius: 8px;
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.1);
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    text-align: center;
    border: 1px solid #eee;
}

.vietnam-magazine-gallery .vietnam-text-block .vietnam-title {
    font-size: clamp(16px, 4vw, 1.4rem);
    color: var(--color-primary);
    margin-bottom: 20px;
    display: inline-block;
    border-bottom: 1px solid var(--color-accent);
    padding-bottom: 5px;
}

.vietnam-img-1 {
    grid-column: 1 / 8;
    grid-row: 1 / 4;
}

.vietnam-img-2 {
    grid-column: 8 / 13;
    grid-row: 1 / 3;
}

.vietnam-img-3 {
    grid-column: 8 / 13;
    grid-row: 3 / 6;
}

.vietnam-img-4 {
    grid-column: 1 / 7;
    margin-top: -50px;
    z-index: 5;
}

.vietnam-text-4 {
    grid-column: 2 / 7;
    grid-row: 4 / 6;
    margin-top: -30px;
    z-index: 5;
}

.vietnam-text-left .vietnam-img-1 {
    grid-column: 6 / 13;
    grid-row: 1 / 4;
}

.vietnam-text-left .vietnam-img-2 {
    grid-column: 1 / 6;
    grid-row: 1 / 3;
}

.vietnam-text-left .vietnam-img-3 {
    grid-column: 1 / 6;
    grid-row: 3 / 6;
}

.vietnam-text-left .vietnam-img-4 {
    grid-column: 7 / 13;
    margin-top: -30px;
    z-index: 5;
}

.vietnam-text-left .vietnam-text-4 {
    grid-column: 7 / 12;
    grid-row: 4 / 6;
    margin-top: -30px;
    z-index: 5;
}

/* ================= 7. 文化與美食分欄 (Attractions) ================= */
.vietnam-culture-dining {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    margin-top: var(--spacing-md);
    margin-bottom: var(--spacing-lg);
}

.vietnam-culture-dining.one {
    align-items: center;
}

.vietnam-culture-dining.one .vietnam-image-collage {
    display: flex;
    gap: 10px;
    margin-top: 0;
}

.vietnam-article-block .vietnam-h2,
.vietnam-desc-text .vietnam-h2 {
    font-size: clamp(1.5rem, 3.5vw, 1.8rem);
    color: var(--color-primary);
    margin-bottom: 20px;
    border-bottom: 1px solid #ccc;
    padding-bottom: 10px;
}

.vietnam-desc-text .en-text {
    font-size: 0.75em;
    padding-left: 8px;
}

.vietnam-article-block p {
    text-align: justify;
    line-height: 1.8;
}

.vietnam-image-collage {
    display: flex;
    gap: 10px;
    margin-top: 20px;
}

.vietnam-image-collage img {
    width: calc(50% - 5px);
    aspect-ratio: 1/1;
    border-radius: 4px;
}

.vietnam-image-collage img.full {
    width: 100%;
    aspect-ratio: 16/7.8;
    border-radius: 4px;
}

/* ================= 8. 備註與簽證區塊 ================= */
.vietnam-notes-section {
    background: var(--primary-dark);
    color: white;
    padding: 60px 5%;
    margin-top: 80px;
}

.vietnam-notes-container {
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 50px;
}

.vietnam-notes-container .vietnam-h3 {
    color: var(--color-accent);
    margin-bottom: 20px;
    font-size: 1.5rem;
}

.vietnam-notes-container ul {
    list-style: none;
    padding-left: 0;
}

.vietnam-notes-container li {
    margin-bottom: 15px;
    padding-left: 20px;
    position: relative;
    font-size: 0.95rem;
    opacity: 0.9;
}

.vietnam-notes-container li::before {
    content: "•";
    position: absolute;
    left: 0;
    color: var(--color-accent);
    font-size: 1.5rem;
    line-height: 1;
    top: -2px;
}

.vietnam-icon {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
    align-items: center;
}

.vietnam-icon img {
    width: 30px;
    height: 30px;
    margin: 0 !important;
}

/* ================= 9. RWD 響應式集中管理 ================= */
@media (max-width: 992px) {

    .vietnam-details-list.vietnam-grid,
    .vietnam-culture-dining,
    .vietnam-notes-container {
        grid-template-columns: 1fr;
    }

    .vietnam-culture-dining.one {
        gap: 20px;
    }

    .vietnam-details-list.vietnam-grid {
        gap: 10px;
    }

    .vietnam-day-hero,
    .vietnam-cruise-hero {
        min-height: auto;
        background-attachment: scroll;
        padding: 1rem 0;
    }

    .vietnam-day-hero {
        height: 40vh;
    }

    .vietnam-day-title-container .vietnam-h2 {
        flex-direction: column;
        align-items: flex-start;
        gap: 10px;
    }

    .vietnam-day-content-card {
        margin-top: -30px;
        padding: 30px 20px;
        width: 90%;
    }



    .vietnam-img-block {
        border-width: 3px;
        border-radius: 4px;
        margin-bottom: 0;
    }

    .vietnam-text-left .vietnam-text-4,
    .vietnam-text-4 {
        margin-top: 0;
        order: 4;
    }
}

@media (max-width: 768px) {

    .vietnam-magazine-gallery {
        display: flex;
        flex-direction: column;
        gap: 20px;
    }

    .vietnam-desc-text .en-text {
        display: block;
        padding-left: 0;
    }

    .vietnam-cruise-text-card {
        max-width: 90%;
        padding: 30px;
        background: rgba(0, 0, 0, 0.7);
        border-left: none;
        border-top: 3px solid var(--color-accent);
    }
}