* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: system-ui, -apple-system, 'Segoe UI', Roboto, 'Helvetica Neue', 'Open Sans', sans-serif;
}
a{
    text-decoration: none;
}
body {
    background-color: #ffffff;
    color: #141c27;
    line-height: 1.5;
    overflow-x: hidden;
}
.container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 24px;
}
/* --- HERO section (full center) --- */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    background: linear-gradient(127deg, #07212e, #1c4457);
    color: white;
    overflow: hidden;
}
.hero-bg-media {
    position: absolute;
    top: 0; left: 0; width: 100%; height: 100%;
    z-index: 0;
    opacity: 0.3;
}
.hero-bg-media video {
    width: 100%; height: 100%; object-fit: cover;
}
.hero-content {
    position: relative;
    z-index: 2;
    width: 100%;
    padding: 60px 20px;
    display: flex;
    flex-direction: column;
    align-items: center;
}
.hero h1 {
    font-size: clamp(2.8rem, 9vw, 5rem);
    font-weight: 800;
    line-height: 1.1;
    letter-spacing: -0.02em;
    max-width: 1000px;
    text-shadow: 0 4px 15px rgba(0,0,0,0.5);
    margin-left: auto;
    margin-right: auto;
}
.hero h1 span {
    color: #FFD93D;
    border-bottom: 4px solid #FFB347;
    display: inline-block;
    padding-bottom: 6px;
}
.hero-sub {
    font-size: 1.4rem;
    margin: 24px 0 32px;
    max-width: 750px;
    text-shadow: 0 2px 8px rgba(0,0,0,0.5);
    opacity: 0.95;
    margin-left: auto;
    margin-right: auto;
}
.hero-search {
    background: rgba(255,255,255,0.18);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-radius: 60px;
    padding: 8px 8px 8px 28px;
    display: inline-flex;
    flex-wrap: wrap;
    gap: 12px;
    border: 1px solid rgba(255,255,255,0.35);
    margin-bottom: 40px;
    max-width: 750px;
    width: 100%;
    justify-content: center;
}
.hero-search input {
    background: transparent;
    border: none;
    padding: 16px 0;
    font-size: 1.1rem;
    color: white;
    flex: 2 1 240px;
    outline: none;
    min-width: 200px;
}
.hero-search input::placeholder { color: rgba(255,255,255,0.9); font-weight: 300; }
.hero-search a.button {
    background: #FFD93D;
    border: none;
    border-radius: 50px;
    padding: 14px 38px;
    font-weight: 700;
    font-size: 1.1rem;
    color: #111;
    cursor: pointer;
    transition: 0.2s;
    white-space: nowrap;
}
.hero-search a.button:hover { background: #ffc107; transform: scale(1.02); }

/* PRIMARY CTA (centered) */
.primary-cta-row {
    margin: 20px 0 16px;
    display: flex;
    flex-direction: column;
    align-items: center;
}
.btn-platform {
    display: inline-block;
    background-color: #FFD93D;
    color: #111;
    font-weight: 800;
    font-size: 2.2rem;
    padding: 22px 58px;
    border-radius: 70px;
    text-decoration: none;
    box-shadow: 0 18px 30px -8px rgba(0,0,0,0.6);
    border: 2px solid #ffb800;
    letter-spacing: 1px;
    transition: all 0.2s;
    line-height: 1.2;
    margin-bottom: 24px;
    width: fit-content;
}
.btn-platform:hover {
    background-color: #FFC107;
    transform: translateY(-4px);
    box-shadow: 0 24px 35px -8px black;
}
.btn-platform small { font-size: 1rem; font-weight: 400; display: block; color: #2a2a2a; }
.social-row {
    display: flex;
    flex-wrap: wrap;
    gap: 24px;
    align-items: center;
    justify-content: center;
}
.btn-social {
    background: rgba(255,255,255,0.2);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    border: 1px solid rgba(255,255,255,0.4);
    padding: 14px 36px;
    border-radius: 60px;
    font-weight: 600;
    font-size: 1.3rem;
    color: white;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    transition: 0.25s;
}
.btn-social:hover { background: rgba(255,255,255,0.35); border-color: #FFD93D; }
.btn-social i { font-style: normal; font-size: 1.5rem; }

/* global section style */
.section { padding: 80px 0; border-bottom: 1px solid #ecf1f5; }
.section:last-child { border-bottom: none; }
.section-title {
    font-size: 2.8rem;
    font-weight: 700;
    margin-bottom: 24px;
    letter-spacing: -0.02em;
    text-align: center;
}
.section-sub {
    font-size: 1.25rem;
    color: #2c3e50;
    max-width: 800px;
    margin: 0 auto 56px auto;
    text-align: center;
}

/* Card grids */
.card-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 30px;
}
.dest-card {
    background: white;
    border-radius: 32px;
    overflow: hidden;
    box-shadow: 0 20px 30px -12px rgba(10,45,65,0.2);
    transition: 0.25s;
    text-decoration: none;
    color: inherit;
    display: block;
    border: 1px solid #f0f5fa;
}
.dest-card:hover { transform: translateY(-8px); box-shadow: 0 28px 38px -12px #0a384b; }
.dest-card img { width: 100%; aspect-ratio: 4/3; object-fit: cover; background: #bdd3e6; }
.dest-card-content { padding: 20px 16px 20px; }
.dest-card h3 { font-size: 1.6rem; font-weight: 700; margin-bottom: 8px; }
.dest-card p { color: #2d3e50; margin-bottom: 16px; }
.card-cta { font-weight: 700; color: #006cb4; display: flex; align-items: center; gap: 5px; }

/*图文结合板块1: 左右图文 (横版) */
.image-text-row {
    display: flex;
    flex-wrap: wrap;
    gap: 40px;
    background: #f6fafd;
    border-radius: 48px;
    padding: 40px;
    margin: 40px 0;
    align-items: center;
}
.image-text-row.reverse { flex-direction: row-reverse; }
.it-image {
    flex: 1 1 300px;
    border-radius: 38px;
    overflow: hidden;
    box-shadow: 0 15px 25px -10px #12303d;
}
.it-image img { width: 100%; height: 100%; object-fit: cover; display: block; }
.it-text {
    flex: 1 1 350px;
    padding: 20px;
}
.it-text h3 { font-size: 2.2rem; font-weight: 700; margin-bottom: 20px; }
.it-text .it-cta { margin-top: 25px; background: #FFD93D; padding: 14px 36px; border-radius: 50px; font-weight: 600; display: inline-block; text-decoration: none; color: #111; }

/* theme grid (3图文板块) already partly, but we add more */
.theme-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}
.theme-item {
    background: #f8fafc;
    border-radius: 40px;
    padding: 30px;
    border: 1px solid #dee8f0;
}
.theme-item img { width: 100%; height: 200px; object-fit: cover; border-radius: 30px; margin-bottom: 20px; }
.theme-item h3 { font-size: 1.9rem; font-weight: 700; margin-bottom: 12px; }

/* infographic panels */
.infographic-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 30px;
    margin-top: 30px;
}
.infographic-card {
    background: #ecf5fa;
    border-radius: 40px;
    padding: 32px 20px;
    text-align: center;
    transition: 0.15s;
}
.infographic-card .icon-lg { font-size: 3.8rem; background: white; width: 110px; height: 110px; border-radius: 50%; display: flex; align-items: center; justify-content: center; margin: 0 auto 20px; box-shadow: 0 10px 12px #bfd7e7; }

/* timeline */
.timeline-pack {
    display: flex;
    flex-direction: column;
    gap: 25px;
}
.timeline-day {
    background: white;
    border-radius: 38px;
    padding: 32px;
    box-shadow: 0 12px 28px -14px #193e4f;
    border-left: 10px solid #FFD93D;
}
.timeline-day h4 { font-size: 2rem; font-weight: 700; margin-bottom: 15px; }

/* ugc / testimonial */
.testimonial-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}
.t-card {
    background: #fff;
    border-radius: 38px;
    padding: 30px;
    box-shadow: 0 8px 22px #d0e0eb;
}
.t-card .user { display: flex; align-items: center; gap: 15px; margin-bottom: 20px; }
.t-card img { width: 60px; height: 60px; border-radius: 50%; object-fit: cover; }

/* feature columns */
.feature-mini-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
    margin: 50px 0;
}
.feature-mini { text-align: center; background: #f2f7fb; border-radius: 36px; padding: 30 15px; }

/* faq */
.faq-list { max-width: 900px; margin: 0 auto; }
.faq-item { border-bottom: 2px solid #d1dfeb; padding: 28px 0; }
.faq-question { font-size: 1.5rem; font-weight: 700; display: flex; justify-content: space-between; }

/* footer cta */
.footer-cta-block {
    background: linear-gradient(145deg, #0b2835, #1e4a5f);
    color: white;
    border-radius: 80px;
    padding: 70px 40px;
    text-align: center;
    margin: 60px 0;
}
.footer-cta-block .big-cta-button {
    background: #FFD93D;
    color: black;
    font-size: 2.2rem;
    padding: 22px 70px;
    border-radius: 100px;
    text-decoration: none;
    font-weight: 800;
    display: inline-block;
    margin: 30px 0 15px;
    border: 3px solid #f0b400;
}
footer { background: #0b202b; color: white; padding: 40px 0; text-align: center; }

@media (max-width: 900px) {
    .theme-grid, .testimonial-grid, .feature-mini-grid { grid-template-columns: 1fr; }
    .image-text-row { flex-direction: column !important; }
    .btn-platform { font-size: 1.6rem; padding: 16px 30px; }
}