/*
 Theme Name:   Sichuan Travel Child
 Template:     travel-agency
 Version:      1.1.27
 Description:   四川跨境旅游站子主题（Child Theme）· 移动优先现代样式
 Author:       Sichuan Travel Team
*/

/* ============================================================
   设计变量（改这里即可全局换色/换间距）
   ============================================================ */
:root {
    --st-primary: #1565c0;        /* 品牌主色：蓝色（天空/江水） */
    --st-primary-d: #0d47a1;      /* 深蓝 */
    --st-accent: #2e9e6b;         /* 辅助绿（山林/自然） */
    --st-ink: #14202b;            /* 主文字 */
    --st-muted: #5b6b7b;          /* 次要文字 */
    --st-line: #e7edf3;           /* 分隔线 */
    --st-bg: #ffffff;
    --st-bg-alt: #f6f8fb;
    --st-bg-deep: #0a2540;        /* 深蓝底（语言条/Hero叠加/页脚） */
    --st-radius: 16px;
    --st-radius-sm: 10px;
    --st-shadow: 0 8px 30px rgba(15, 23, 42, .08);
    --st-shadow-lg: 0 18px 50px rgba(15, 23, 42, .16);
    --st-max: 1290px;       /* 对齐父主题 .container 宽度，避免页脚/区块与主体错位 */
    --st-gap: 20px;
    --st-gutter: 18px;       /* 容器左右留白，移动端滑动卡片用其实现“出血”对齐 */
    /* 移动优先：基础字号略大，便于手指阅读 */
    --st-fs-base: 16px;
    /* 英文为主：标题使用 Poppins，中文回退 Noto Sans SC */
    --st-font-display: 'Poppins', 'Noto Sans SC', -apple-system, BlinkMacSystemFont,
                       "PingFang SC", "Microsoft YaHei", Roboto, Helvetica, Arial, sans-serif;
}

/* ============================================================
   基础重置（移动优先）
   ============================================================ */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
    margin: 0;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC",
                 "Hiragino Sans GB", "Microsoft YaHei", Roboto, Helvetica, Arial, sans-serif;
    font-size: var(--st-fs-base);
    line-height: 1.7;
    color: var(--st-ink);
    background: var(--st-bg);
}
img { max-width: 100%; height: auto; display: block; }
a { color: var(--st-primary); }

/* 容器 */
.st-container {
    width: 100%;
    max-width: var(--st-max);
    margin: 0 auto;
    padding: 0 var(--st-gutter);
}

/* ============================================================
   站点头部（移动优先可见导航）
   ============================================================ */
.st-header {
    position: sticky; top: 0; z-index: 1000;
    background: #fff;
    border-bottom: 1px solid var(--st-line);
    box-shadow: 0 2px 14px rgba(20,30,40,.06);
}
.st-header__inner {
    display: flex; align-items: center; flex-wrap: wrap; gap: 14px;
    min-height: 60px; padding-top: 8px; padding-bottom: 8px;
}
.st-brand { display: flex; flex-direction: column; text-decoration: none; line-height: 1.1; margin-right: auto; }
.st-brand__name { font-weight: 800; font-size: 1.12rem; color: var(--st-ink); letter-spacing: .01em; }
.st-brand__tag { font-size: .72rem; color: var(--st-muted); }

/* 导航：手机端默认折叠为下拉面板 */
.st-nav { order: 3; flex-basis: 100%; }
.st-menu { list-style: none; margin: 0; padding: 6px 0 10px; display: flex; flex-direction: column; gap: 2px; }
.st-menu li { margin: 0; }
.st-menu a {
    display: block; padding: 11px 6px; border-radius: 10px;
    color: var(--st-ink); font-weight: 600; text-decoration: none; font-size: .98rem;
}
.st-menu a:hover { color: var(--st-primary); background: rgba(21,101,192,.07); }
.st-menu .current-menu-item > a { color: var(--st-primary); }

/* 工具区：语言 + 汉堡 */
.st-header__tools { display: flex; align-items: center; gap: 12px; margin-left: 8px; }

/* 语言切换：右上角下拉 */
.st-lang-switcher {
    position: relative;
    display: inline-block;
}
.st-lang-switcher__toggle {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 7px 14px;
    border: 1px solid var(--st-line);
    border-radius: 999px;
    background: #fff;
    color: var(--st-ink);
    font-weight: 600;
    font-size: .9rem;
    cursor: pointer;
    line-height: 1;
    font-family: inherit;
}
.st-lang-switcher__toggle:hover { border-color: var(--st-primary); color: var(--st-primary); }
.st-lang-switcher__arrow { font-size: .64rem; color: var(--st-muted); transition: transform .2s ease; }
.st-lang-switcher.is-open .st-lang-switcher__arrow { transform: rotate(180deg); }
.st-lang-switcher__menu {
    position: absolute;
    top: calc(100% + 8px);
    right: 0;
    min-width: 140px;
    list-style: none;
    margin: 0;
    padding: 6px;
    background: #fff;
    border: 1px solid var(--st-line);
    border-radius: var(--st-radius-sm);
    box-shadow: var(--st-shadow-lg);
    opacity: 0;
    visibility: hidden;
    transform: translateY(-6px);
    transition: opacity .2s ease, transform .2s ease, visibility .2s ease;
    z-index: 1100;
}
.st-lang-switcher.is-open .st-lang-switcher__menu {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}
.st-lang-switcher__item a,
.st-lang-switcher__item a:visited {
    display: block;
    padding: 9px 12px;
    border-radius: 8px;
    color: var(--st-ink);
    text-decoration: none;
    font-size: .92rem;
    font-weight: 500;
    white-space: nowrap;
}
.st-lang-switcher__item a:hover { background: rgba(21,101,192,.08); color: var(--st-primary); }
.st-lang-switcher__item.is-current a { color: var(--st-primary); font-weight: 700; }

.st-nav-toggle {
    width: 42px; height: 38px; border: 1px solid var(--st-line); border-radius: 10px;
    background: #fff; cursor: pointer; display: inline-flex; flex-direction: column;
    justify-content: center; gap: 4px; padding: 0 10px;
}
.st-nav-toggle span { display: block; height: 2px; background: var(--st-ink); border-radius: 2px; transition: .2s; }
.st-nav-toggle[aria-expanded="true"] span:nth-child(1) { transform: translateY(6px) rotate(45deg); }
.st-nav-toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.st-nav-toggle[aria-expanded="true"] span:nth-child(3) { transform: translateY(-6px) rotate(-45deg); }

/* 手机端：导航面板默认隐藏，展开时显示 */
.st-nav { display: none; }
.st-header.nav-open .st-nav { display: block; }
@media (max-width: 899px) {
    /* 手机端导航改为绝对定位下拉面板：覆盖在内容之上，不再把首页往下挤 */
    .st-nav {
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: #fff;
        border-top: 1px solid var(--st-line);
        box-shadow: 0 16px 34px rgba(15, 23, 42, .14);
        max-height: calc(100vh - 60px);
        overflow-y: auto;
        -webkit-overflow-scrolling: touch;
    }
    .st-header.nav-open .st-nav {
        display: block;
        padding: 8px 0 14px;
        animation: st-nav-in .25s ease both;
    }
}
@keyframes st-nav-in {
    from { opacity: 0; transform: translateY(-6px); }
    to   { opacity: 1; transform: translateY(0); }
}

/* 区块通用 */
.st-section { padding: 48px 0; }
.st-section--alt { background: var(--st-bg-alt); }
.st-section__head { margin-bottom: 28px; text-align: center; }
.st-section__eyebrow {
    display: inline-block;
    font-size: .78rem;
    letter-spacing: .14em;
    text-transform: uppercase;
    color: var(--st-primary);
    font-weight: 700;
    margin: 0 0 10px;
}
.st-section__title {
    font-family: var(--st-font-display);
    font-size: 1.7rem;
    line-height: 1.25;
    margin: 0 0 8px;
    color: var(--st-ink);
    font-weight: 800;
    letter-spacing: -.01em;
}
.st-section__desc {
    color: var(--st-muted);
    margin: 0;
    font-size: .98rem;
}

/* 按钮 */
.st-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 13px 26px;
    border-radius: 999px;
    font-weight: 600;
    font-size: .98rem;
    text-decoration: none;
    line-height: 1;
    cursor: pointer;
    transition: transform .15s ease, background .15s ease, box-shadow .15s ease;
}
.st-btn--primary { background: var(--st-primary); color: #fff; box-shadow: 0 8px 22px rgba(21,101,192,.30); }
.st-btn--primary:hover { background: var(--st-primary-d); transform: translateY(-2px); }
.st-btn--ghost { background: transparent; color: var(--st-primary); border: 1.6px solid var(--st-primary); }
.st-btn--ghost:hover { background: var(--st-primary); color: #fff; }
.st-btn--light { background: #fff; color: var(--st-ink); }
.st-btn--light:hover { transform: translateY(-2px); box-shadow: var(--st-shadow); }
.st-btn--ghost-light { background: transparent; color: #fff; border: 1.6px solid rgba(255,255,255,.7); }
.st-btn--ghost-light:hover { background: rgba(255,255,255,.14); border-color: #fff; }

/* Hero 搜索框（选择目的地跳转） */
.st-hero-search {
    display: flex; flex-wrap: wrap; gap: 10px;
    background: #fff; border-radius: 999px;
    padding: 8px; margin: 0 0 22px;
    box-shadow: var(--st-shadow-lg);
    max-width: 560px;
}
.st-hero-search__field { flex: 1 1 220px; display: flex; flex-direction: column; padding: 4px 18px; }
.st-hero-search__field label {
    font-size: .7rem; letter-spacing: .1em; text-transform: uppercase;
    color: var(--st-muted); font-weight: 700; margin-bottom: 2px;
}
.st-hero-search__field select {
    border: 0; background: transparent; font-size: 1rem; color: var(--st-ink);
    padding: 2px 0; outline: none; width: 100%; cursor: pointer;
    font-family: inherit;
}
.st-hero-search .st-btn { flex: 0 0 auto; border-radius: 999px; }

/* ============================================================
   活动（Adventure Activities）
   ============================================================ */
.st-activities { display: grid; grid-template-columns: 1fr; gap: var(--st-gap); }
.st-activity {
    display: flex; flex-direction: column; gap: 6px;
    background: var(--st-bg); border: 1px solid var(--st-line);
    border-radius: var(--st-radius); padding: 22px 20px;
    text-decoration: none; color: var(--st-ink);
    transition: transform .2s ease, box-shadow .2s ease, border-color .2s ease;
}
.st-activity:hover { transform: translateY(-5px); box-shadow: var(--st-shadow); border-color: var(--st-primary); }
.st-activity__icon {
    width: 50px; height: 50px; border-radius: 14px;
    display: grid; place-items: center; margin-bottom: 6px;
    background: rgba(21,101,192,.1); color: var(--st-primary);
}
.st-activity__icon svg { width: 26px; height: 26px; }
.st-activity__title { margin: 0; font-size: 1.12rem; font-weight: 700; }
.st-activity__desc { margin: 0; color: var(--st-muted); font-size: .9rem; line-height: 1.6; flex: 1; }
.st-activity__more { color: var(--st-primary); font-weight: 600; font-size: .9rem; }

/* 为什么选我们：4 列 */
.st-features--4 { grid-template-columns: 1fr; }

/* ============================================================
   精选行程（Featured Trip）
   ============================================================ */
.st-featured {
    display: grid; grid-template-columns: 1fr; gap: 0;
    background: #fff; border: 1px solid var(--st-line);
    border-radius: var(--st-radius); overflow: hidden;
    box-shadow: var(--st-shadow);
}
.st-featured__media { position: relative; display: block; aspect-ratio: 16 / 10; overflow: hidden; }
.st-featured__media img { width: 100%; height: 100%; object-fit: cover; transition: transform .5s ease; }
.st-featured:hover .st-featured__media img { transform: scale(1.05); }
.st-featured__badge {
    position: absolute; top: 14px; left: 14px; z-index: 2;
    background: var(--st-primary); color: #fff;
    font-size: .74rem; font-weight: 700; letter-spacing: .04em;
    padding: 6px 13px; border-radius: 999px;
}
.st-featured__body { padding: 22px 22px 24px; display: flex; flex-direction: column; gap: 10px; }
.st-featured__title { margin: 0; font-size: 1.5rem; font-weight: 800; }
.st-featured__title a { color: var(--st-ink); text-decoration: none; }
.st-featured__title a:hover { color: var(--st-primary); }
.st-featured__excerpt { margin: 0; color: var(--st-muted); line-height: 1.7; }
.st-featured__meta { display: flex; flex-wrap: wrap; gap: 18px; color: var(--st-muted); font-size: .95rem; }
.st-featured__meta b { color: var(--st-ink); font-weight: 700; }
.st-featured__price { color: var(--st-primary) !important; }
.st-featured__price b { color: var(--st-primary) !important; }
.st-featured__body .st-btn { align-self: flex-start; margin-top: 4px; }

/* ============================================================
   数据统计（Stats Counter）
   ============================================================ */
.st-stats { background: linear-gradient(135deg, #16384f, #2c5364); color: #fff; padding: 44px 0; }
.st-stats__grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 24px 12px; text-align: center; }
.st-stat__n { font-size: clamp(1.8rem, 7vw, 2.8rem); font-weight: 800; line-height: 1; color: #fff; }
.st-stat__l { margin-top: 6px; font-size: .9rem; color: rgba(255,255,255,.8); letter-spacing: .02em; }

/* ============================================================
   客户评价（Testimonials）
   ============================================================ */
.st-testimonials { display: grid; grid-template-columns: 1fr; gap: var(--st-gap); }
.st-testimonial {
    margin: 0; background: #fff; border: 1px solid var(--st-line);
    border-radius: var(--st-radius); padding: 24px 22px;
    display: flex; flex-direction: column; gap: 12px;
    box-shadow: var(--st-shadow);
}
.st-testimonial__stars { color: #f5a623; letter-spacing: 2px; font-size: 1rem; }
.st-testimonial__text { margin: 0; font-size: 1rem; line-height: 1.7; color: var(--st-ink); }
.st-testimonial__by { display: flex; align-items: center; gap: 12px; margin-top: auto; }
.st-testimonial__avatar {
    flex: 0 0 42px; width: 42px; height: 42px; border-radius: 50%;
    display: grid; place-items: center; background: var(--st-primary); color: #fff;
    font-weight: 700; font-size: 1.1rem;
}
.st-testimonial__by b { display: block; font-size: .95rem; color: var(--st-ink); }
.st-testimonial__by small { color: var(--st-muted); font-size: .8rem; }

/* ============================================================
   最新文章（Latest Articles）
   ============================================================ */
.st-articles { display: grid; grid-template-columns: 1fr; gap: var(--st-gap); }
.st-article {
    background: #fff; border: 1px solid var(--st-line);
    border-radius: var(--st-radius); overflow: hidden;
    box-shadow: var(--st-shadow); display: flex; flex-direction: column;
    transition: transform .2s ease, box-shadow .2s ease;
}
.st-article:hover { transform: translateY(-5px); box-shadow: var(--st-shadow-lg); }
.st-article__media { display: block; aspect-ratio: 16 / 10; overflow: hidden; }
.st-article__media img { width: 100%; height: 100%; object-fit: cover; }
.st-article__body { padding: 16px 18px 20px; display: flex; flex-direction: column; gap: 6px; }
.st-article__date { font-size: .78rem; color: var(--st-primary); font-weight: 700; letter-spacing: .04em; text-transform: uppercase; }
.st-article__title { margin: 0; font-size: 1.15rem; font-weight: 700; line-height: 1.35; }
.st-article__title a { color: var(--st-ink); text-decoration: none; }
.st-article__title a:hover { color: var(--st-primary); }
.st-article__excerpt { margin: 0; color: var(--st-muted); font-size: .9rem; line-height: 1.6; }

/* ============================================================
   HERO
   ============================================================ */
.st-hero {
    position: relative;
    min-height: 52vh;
    display: flex;
    align-items: center;
    color: #fff;
    /* 兜底底色：无轮播图时也有质感渐变 */
    background: linear-gradient(135deg, #16384f 0%, #2c5364 100%);
    padding: 96px 0 64px;
    overflow: hidden;
}

/* 轮播背景层 + 单张幻灯（交叉淡入 + Ken Burns 缩放特效） */
.st-hero__bg { position: absolute; inset: 0; z-index: 0; }
.st-hero__slide {
    position: absolute;
    inset: 0;
    background-size: cover;
    background-position: center;
    opacity: 0;
    transform: scale(1.12);
    transition: opacity 1.2s ease, transform 7s ease;
    will-change: opacity, transform;
}
.st-hero__slide.is-active { opacity: 1; transform: scale(1); }
.st-hero__overlay {
    position: absolute;
    inset: 0;
    z-index: 0;
    background:
        linear-gradient(180deg, rgba(8,20,35,.42) 0%, rgba(8,20,35,.74) 100%),
        linear-gradient(115deg, rgba(13,71,161,.42) 0%, rgba(21,101,192,.18) 100%);
}

.st-hero__inner {
    position: relative;
    z-index: 2;
    width: 100%;
    max-width: 760px;
}
.st-hero__eyebrow {
    display: inline-block;
    font-size: .8rem;
    letter-spacing: .18em;
    text-transform: uppercase;
    color: #fff;
    font-weight: 700;
    margin: 0 0 14px;
    text-shadow: 0 1px 10px rgba(0,0,0,.35);
    animation: st-hero-rise .9s .1s both;
}
.st-hero__title {
    font-family: var(--st-font-display);
    font-size: clamp(1.45rem, 6.2vw, 3.6rem);
    line-height: 1.08;
    margin: 0 0 16px;
    font-weight: 800;
    letter-spacing: -.01em;
    white-space: nowrap;
    text-shadow: 0 2px 22px rgba(0,0,0,.5);
    animation: st-hero-rise .9s .22s both;
}
.st-hero__subtitle {
    font-size: 1.02rem;
    line-height: 1.7;
    margin: 0 0 26px;
    color: rgba(255,255,255,.94);
    max-width: 560px;
    text-shadow: 0 1px 12px rgba(0,0,0,.4);
    animation: st-hero-rise .9s .34s both;
}
.st-hero__actions { display: flex; flex-wrap: wrap; gap: 12px; animation: st-hero-rise .9s .46s both; }
.st-hero-search { animation: st-hero-rise .9s .46s both; }
@keyframes st-hero-rise { from { opacity: 0; transform: translateY(26px); } to { opacity: 1; transform: none; } }

/* 轮播控制：左右箭头 + 底部圆点 */
.st-hero__arrow {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    z-index: 3;
    width: 46px; height: 46px;
    display: grid; place-items: center;
    border-radius: 50%;
    border: 1px solid rgba(255,255,255,.5);
    background: rgba(8,20,35,.28);
    color: #fff;
    padding: 0; margin: 0;
    line-height: 0;
    -webkit-appearance: none; appearance: none;
    cursor: pointer;
    -webkit-backdrop-filter: blur(2px);
    backdrop-filter: blur(2px);
    transition: background .2s ease, border-color .2s ease;
}
.st-hero__arrow svg { width: 22px; height: 22px; display: block; }
.st-hero__arrow:hover { background: rgba(8,20,35,.5); border-color: #fff; }
.st-hero__arrow--prev { left: 14px; }
.st-hero__arrow--next { right: 14px; }
.st-hero__dots {
    position: absolute;
    left: 0; right: 0; bottom: 20px;
    z-index: 3;
    display: flex; justify-content: center; gap: 10px;
}
.st-hero__dot {
    width: 10px; height: 10px; padding: 0;
    border: 0; border-radius: 999px;
    background: rgba(255,255,255,.5);
    cursor: pointer;
    transition: width .3s ease, background .3s ease;
}
.st-hero__dot.is-active { width: 26px; background: #fff; }
/* 轮播开启时隐藏滚动提示，避免与圆点重叠 */
.st-hero--slider .st-hero__scroll { display: none; }
/* 小屏隐藏左右箭头，避免与标题重叠（保留自动轮播与圆点） */
@media (max-width: 599px) {
    .st-hero__arrow { display: none; }
    /* 移动端缩小大屏尺寸与文字，保证标题单行且整体精致 */
    .st-hero { min-height: 44vh; padding: 64px 0 52px; }
    .st-hero__eyebrow { margin-bottom: 10px; font-size: .74rem; }
    .st-hero__title { letter-spacing: -.01em; }
    .st-hero__subtitle { font-size: .92rem; margin-bottom: 20px; }
    .st-hero__actions { gap: 10px; }
}

/* 滚动提示 */
.st-hero__scroll {
    position: absolute;
    left: 50%;
    bottom: 22px;
    transform: translateX(-50%);
    z-index: 2;
    color: rgba(255,255,255,.7);
    font-size: .72rem;
    letter-spacing: .1em;
    text-transform: uppercase;
}
.st-hero__scroll::after {
    content: "";
    display: block;
    width: 1px;
    height: 26px;
    margin: 8px auto 0;
    background: rgba(255,255,255,.5);
    animation: st-bounce 1.8s infinite;
}
@keyframes st-bounce { 0%,100%{transform:translateY(0);opacity:.4} 50%{transform:translateY(6px);opacity:1} }

/* ============================================================
   路线卡片网格（移动优先：默认 1 列）
   ============================================================ */
.st-grid { display: grid; gap: var(--st-gap); }
.st-grid--trips { grid-template-columns: 1fr; }

.st-card {
    background: var(--st-bg);
    border-radius: var(--st-radius);
    overflow: hidden;
    box-shadow: var(--st-shadow);
    display: flex;
    flex-direction: column;
    border: 1px solid var(--st-line);
    transition: transform .2s ease, box-shadow .2s ease;
}
.st-card:hover { transform: translateY(-6px); box-shadow: var(--st-shadow-lg); }
.st-card__media {
    display: block;
    position: relative;
    aspect-ratio: 4 / 3;
    overflow: hidden;
}
.st-card__media img {
    width: 100%; height: 100%;
    object-fit: cover;
    transition: transform .5s ease;
}
.st-card:hover .st-card__media img { transform: scale(1.06); }
/* 卡片上的小标签（如“热卖”） */
.st-card__badge {
    position: absolute;
    top: 12px; left: 12px;
    background: var(--st-primary);
    color: #fff;
    font-size: .72rem;
    font-weight: 700;
    letter-spacing: .04em;
    padding: 5px 11px;
    border-radius: 999px;
    z-index: 2;
}
.st-card__ph {
    width: 100%; height: 100%;
    min-height: 180px;
    display: flex; align-items: center; justify-content: center;
    background: repeating-linear-gradient(45deg, #eef2f7, #eef2f7 12px, #e2e8f0 12px, #e2e8f0 24px);
    color: var(--st-muted); font-size: .9rem;
}
.st-card__body {
    padding: 18px 18px 20px;
    display: flex;
    flex-direction: column;
    gap: 8px;
    flex: 1;
}
.st-card__title { margin: 0; font-size: 1.18rem; font-weight: 700; }
.st-card__title a { color: var(--st-ink); text-decoration: none; }
.st-card__title a:hover { color: var(--st-primary); }
.st-card__excerpt { margin: 0; color: var(--st-muted); font-size: .92rem; line-height: 1.6; }
/* 卡片底部元信息（时长/价格） */
.st-card__meta {
    display: flex; flex-wrap: wrap; gap: 14px;
    margin-top: 4px; padding-top: 12px;
    border-top: 1px solid var(--st-line);
    color: var(--st-muted); font-size: .85rem;
}
.st-card__meta b { color: var(--st-ink); font-weight: 700; }
.st-card__body .st-btn { margin-top: auto; align-self: flex-start; }

/* ============================================================
   优势条（3 项）
   ============================================================ */
.st-features {
    display: grid;
    grid-template-columns: 1fr;
    gap: 16px;
    margin-top: 8px;
}
.st-feature {
    display: flex; gap: 14px; align-items: flex-start;
    padding: 18px;
    background: var(--st-bg);
    border: 1px solid var(--st-line);
    border-radius: var(--st-radius-sm);
}
.st-feature__icon {
    flex: 0 0 44px; width: 44px; height: 44px;
    border-radius: 12px;
    display: grid; place-items: center;
    background: rgba(21,101,192,.1);
    color: var(--st-primary);
}
.st-feature__icon svg { width: 22px; height: 22px; }
.st-feature__title { margin: 0 0 2px; font-size: 1rem; font-weight: 700; }
.st-feature__text { margin: 0; color: var(--st-muted); font-size: .9rem; line-height: 1.55; }

/* ============================================================
   关于我们
   ============================================================ */
.st-about { display: grid; grid-template-columns: 1fr; gap: 24px; align-items: center; }
.st-about__text p { color: var(--st-muted); line-height: 1.8; }
.st-about__media {
    border-radius: var(--st-radius);
    overflow: hidden;
    box-shadow: var(--st-shadow);
    min-height: 220px;
}
.st-about__media .st-card__ph { min-height: 220px; }

/* ============================================================
   CTA
   ============================================================ */
.st-cta {
    background: linear-gradient(135deg, var(--st-primary), var(--st-accent));
    color: #fff;
    padding: 52px 0;
}
.st-cta__inner { text-align: center; }
.st-cta__title { font-family: var(--st-font-display); font-size: 1.7rem; margin: 0 0 10px; font-weight: 800; }
.st-cta__text { font-size: 1rem; margin: 0 0 22px; opacity: .95; }

/* ============================================================
   套餐（首页/详情页复用）
   ============================================================ */
.trip-packages { margin: 40px 0; }
.trip-packages__title {
    font-size: 1.4rem; margin-bottom: 18px;
    border-left: 4px solid var(--st-primary); padding-left: 12px;
    font-weight: 800;
}
.trip-packages__list { display: grid; grid-template-columns: 1fr; gap: 18px; }
.package-card {
    border: 1px solid var(--st-line);
    border-radius: var(--st-radius);
    padding: 20px;
    background: #fff;
    display: flex; flex-direction: column; gap: 10px;
    box-shadow: var(--st-shadow);
}
.package-card__name { margin: 0; font-size: 1.15rem; font-weight: 700; }
.package-card__meta { display: flex; flex-wrap: wrap; gap: 12px; align-items: baseline; }
.package-card__meta .price { font-size: 1.4rem; font-weight: 800; color: var(--st-primary); }
.package-card__meta .duration,
.package-card__meta .max-people { color: var(--st-muted); font-size: .9rem; }
.package-card__includes { margin: 0; color: #334155; font-size: .95rem; }
.package-card__desc { font-size: .9rem; color: #475569; }
.package-card__book {
    margin-top: auto; display: inline-block; text-align: center;
    background: var(--st-primary); color: #fff;
    padding: 11px 16px; border-radius: 999px; text-decoration: none; font-weight: 600;
}
.package-card__book:hover { background: var(--st-primary-d); }
.trip-booking { margin: 40px 0; padding: 26px 20px; border: 1px solid var(--st-line); border-radius: var(--st-radius); background: var(--st-bg-alt); }
.trip-booking__title { font-size: 1.4rem; margin: 0 0 18px; border-left: 4px solid var(--st-primary); padding-left: 12px; font-weight: 800; }

/* ============================================================
   路线详情页
   ============================================================ */
.st-trip-hero {
    position: relative;
    min-height: 52vh;
    display: flex; align-items: flex-end;
    color: #fff;
    background: linear-gradient(135deg, #16384f, #2c5364);
    background-size: cover; background-position: center;
    padding: 96px 0 28px;
}
.st-trip-hero::after {
    content: ""; position: absolute; inset: 0;
    background: linear-gradient(to top, rgba(8,20,35,.8), rgba(8,20,35,.12));
}
.st-trip-hero__inner { position: relative; z-index: 1; width: 100%; }
.st-breadcrumb { font-size: .85rem; margin-bottom: 12px; color: rgba(255,255,255,.85); }
.st-breadcrumb a { color: rgba(255,255,255,.9); text-decoration: none; }
.st-breadcrumb a:hover { text-decoration: underline; }
.st-breadcrumb .sep { margin: 0 8px; opacity: .6; }
.st-breadcrumb .current { color: #fff; font-weight: 600; }
.st-trip-hero__title {
    font-size: clamp(1.6rem, 7vw, 2.8rem);
    margin: 0 0 8px; font-weight: 800; letter-spacing: -.01em;
    text-shadow: 0 2px 12px rgba(0,0,0,.35);
}
.st-trip-hero__sub { font-size: .98rem; line-height: 1.6; max-width: 680px; margin: 0; opacity: .95; }

/* 详情页元信息条 */
.st-trip-meta {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1px;
    background: var(--st-line);
    border: 1px solid var(--st-line);
    border-radius: var(--st-radius);
    overflow: hidden;
    margin: -28px 0 0;
    position: relative;
    z-index: 2;
}
.st-trip-meta__item { background: #fff; padding: 16px 18px; }
.st-trip-meta__k { display: block; font-size: .76rem; letter-spacing: .06em; text-transform: uppercase; color: var(--st-muted); margin-bottom: 4px; }
.st-trip-meta__v { font-size: 1.05rem; font-weight: 700; color: var(--st-ink); }
.st-trip-meta__v .price { color: var(--st-primary); }

.st-trip-layout { padding: 36px 0 56px; }
.st-trip-content {
    max-width: 760px; margin: 0 auto;
    font-size: 1.02rem; line-height: 1.85; color: #334155;
}
.st-trip-content p { margin: 0 0 1.2em; }
.st-trip-content img { max-width: 100%; height: auto; border-radius: var(--st-radius-sm); }
.st-trip-content h2, .st-trip-content h3 { color: var(--st-ink); margin-top: 1.6em; }

/* 移动端底部固定“立即预订”条 */
.st-sticky-book {
    position: fixed;
    left: 0; right: 0; bottom: 0;
    z-index: 50;
    background: #fff;
    border-top: 1px solid var(--st-line);
    box-shadow: 0 -6px 24px rgba(15,23,42,.12);
    padding: 10px 18px calc(10px + env(safe-area-inset-bottom));
    display: flex; align-items: center; gap: 12px;
}
.st-sticky-book__price { font-weight: 800; color: var(--st-primary); font-size: 1.1rem; }
.st-sticky-book__price small { display: block; font-weight: 500; color: var(--st-muted); font-size: .72rem; }
.st-sticky-book .st-btn { margin-left: auto; padding: 12px 22px; }

/* ============================================================
   移动端：横向滑动卡片 + 滚动入场（PC 端保持网格平铺）
   ============================================================ */
@media (max-width: 599px) {
  /* 景区/活动/评价：移动端改为可滑动卡片，露出下一张边缘，突出重点而非全部平铺 */
  .st-grid--trips,
  .st-testimonials,
  .st-activities {
    display: flex;
    flex-wrap: nowrap;
    gap: 14px;
    overflow-x: auto;
    scroll-snap-type: x mandatory;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: none;
    /* 出血到屏幕边缘，首张卡片与正文左对齐，可横向滑动浏览 */
    margin-left: calc(-1 * var(--st-gutter));
    margin-right: calc(-1 * var(--st-gutter));
    padding: 4px var(--st-gutter) 12px;
  }
  .st-grid--trips::-webkit-scrollbar,
  .st-testimonials::-webkit-scrollbar,
  .st-activities::-webkit-scrollbar { display: none; }

  .st-grid--trips > .st-card,
  .st-testimonials > .st-testimonial,
  .st-activities > .st-activity {
    flex: 0 0 80%;
    max-width: 80%;
    scroll-snap-align: start;
  }
  /* 末尾 1px 占位，保证最后一张也能对齐滚动吸附 */
  .st-grid--trips::after,
  .st-testimonials::after,
  .st-activities::after { content: ""; flex: 0 0 1px; }

  /* 可滑动区块标题下方提示，引导用户横向滑动而非平铺长列表 */
  .st-section__head--swipe::after {
    content: "Swipe to explore →";
    display: block;
    margin-top: 10px;
    font-family: var(--st-font-display);
    font-size: .8rem;
    font-weight: 600;
    letter-spacing: .03em;
    color: var(--st-primary);
  }
}

/* 滚动入场：元素进入视口时上浮淡入（无 JS 时不受影响；尊重“减少动画”偏好） */
.js [data-reveal] {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity .7s cubic-bezier(.2,.7,.2,1), transform .7s cubic-bezier(.2,.7,.2,1);
  will-change: opacity, transform;
}
.js [data-reveal].is-in { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) {
  .js [data-reveal] { opacity: 1 !important; transform: none !important; }
}

/* ============================================================
   桌面端增强（min-width 平板起）
   ============================================================ */
@media (min-width: 600px) {
    .st-grid--trips { grid-template-columns: repeat(2, 1fr); }
    .st-features { grid-template-columns: repeat(3, 1fr); }
    .st-features--4 { grid-template-columns: repeat(2, 1fr); }
    .st-activities { grid-template-columns: repeat(2, 1fr); }
    .st-testimonials { grid-template-columns: repeat(2, 1fr); }
    .st-articles { grid-template-columns: repeat(2, 1fr); }
    .trip-packages__list { grid-template-columns: repeat(2, 1fr); }
    .st-trip-meta { grid-template-columns: repeat(4, 1fr); }
}
@media (min-width: 900px) {
    :root { --st-fs-base: 17px; }
    .st-container { padding: 0 24px; }
    .st-section { padding: 80px 0; }
    .st-section__head { margin-bottom: 44px; text-align: center; }
    .st-section__title { font-size: 2.4rem; }
    .st-grid--trips { grid-template-columns: repeat(3, 1fr); }
    .st-features--4 { grid-template-columns: repeat(4, 1fr); }
    .st-activities { grid-template-columns: repeat(3, 1fr); }
    .st-testimonials { grid-template-columns: repeat(3, 1fr); }
    .st-articles { grid-template-columns: repeat(3, 1fr); }
    .st-featured { grid-template-columns: 1.15fr 1fr; align-items: stretch; }
    .st-featured__media { aspect-ratio: auto; }
    .st-stats__grid { grid-template-columns: repeat(4, 1fr); }
    .st-hero { min-height: 58vh; padding: 96px 0 72px; }
    .st-hero__title { font-size: 3.6rem; }
    /* 桌面：导航横排、隐藏汉堡 */
    .st-header__inner { min-height: 68px; }
    .st-nav { order: 0; flex-basis: auto; display: block; margin-left: auto; }
    .st-menu { flex-direction: row; align-items: center; gap: 2px; padding: 0; }
    .st-menu a { padding: 10px 14px; }
    .st-nav-toggle { display: none; }
    .st-about { grid-template-columns: 1.1fr 1fr; gap: 48px; }
    .st-cta { padding: 72px 0; }
    .st-cta__title { font-size: 2.2rem; }
    .st-trip-hero { min-height: 58vh; padding: 130px 0 40px; }
    /* 桌面端隐藏移动固定条 */
    .st-sticky-book { display: none; }

    /* 富导航 mega 面板（桌面 hover/点击展开，左对齐下拉，纯文字排列） */
    .st-nav__cta { margin-left: 8px; }
    .st-menu__item.has-sub { position: relative; }
    .st-mega { position: absolute; top: 100%; left: 0; right: auto; background: #fff; border: 1px solid rgba(10, 30, 60, .08); border-radius: 16px; box-shadow: 0 24px 50px rgba(10, 30, 60, .16); padding: 20px; opacity: 0; visibility: hidden; transform: translateY(8px); transition: opacity .2s ease, transform .2s ease, visibility .2s; z-index: 70; }
    .st-mega--dest { width: min(640px, 92vw); }
    .st-mega--themes { width: min(420px, 92vw); }
    .st-menu__item.has-sub:hover > .st-mega,
    .st-menu__item.is-open > .st-mega { opacity: 1; visibility: visible; transform: translateY(0); }
    .st-menu__item.has-sub:hover > a .st-caret,
    .st-menu__item.is-open > a .st-caret { transform: rotate(180deg); }
    .st-mega__grid--dest { grid-template-columns: repeat(4, 1fr); }
    .st-mega__grid--themes { grid-template-columns: repeat(2, 1fr); }
}

/* 富导航 mega 面板：基础 / 移动端样式 */
.st-header { position: relative; }
.st-nav__cta { display: inline-flex; align-items: center; gap: 6px; background: var(--st-primary); color: #fff; font-weight: 700; font-size: .9rem; padding: 9px 16px; border-radius: 999px; text-decoration: none; white-space: nowrap; transition: background .2s, transform .2s; }
.st-nav__cta:hover { background: #1565c0; transform: translateY(-1px); }
.st-caret { display: inline-block; margin-left: 5px; font-size: .7em; transition: transform .2s; }

/* mega 面板内容（纯文字排列） */
.st-mega__head { margin-bottom: 14px; }
.st-mega__eyebrow { display: block; font-size: .76rem; font-weight: 700; letter-spacing: .12em; text-transform: uppercase; color: var(--st-primary); }
.st-mega__title { margin: 4px 0 0; font-family: var(--st-font-display); font-size: 1.25rem; color: var(--st-ink); }
.st-mega__grid { display: grid; gap: 6px 14px; }
.st-mega__grid--dest { grid-template-columns: repeat(2, 1fr); }
.st-mega__grid--themes { grid-template-columns: repeat(2, 1fr); }
.st-mega__link { display: block; padding: 10px 12px; border-radius: 10px; font-weight: 600; color: var(--st-ink); text-decoration: none; transition: background .18s, color .18s; }
.st-mega__link:hover { background: var(--st-bg); color: var(--st-primary); }

/* 移动端：mega 面板改为普通展开块，跟随手风琴（is-open 控制显隐） */
@media (max-width: 899px) {
    .st-mega { position: static; opacity: 1; visibility: visible; transform: none; box-shadow: none; border: none; border-radius: 0; padding: 4px 0 14px; display: none; }
    .st-menu__item.is-open > .st-mega { display: block; }
    .st-mega--dest, .st-mega--themes { width: 100%; }
    .st-mega__grid--dest { grid-template-columns: repeat(2, 1fr); }
    .st-mega__grid--themes { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 520px) {
    .st-nav__cta { display: none; }
}

/* 尊重用户的“减少动画”偏好 */
@media (prefers-reduced-motion: reduce) {
    * { animation: none !important; scroll-behavior: auto !important; transition: none !important; }
}

/* ============================================================
   顶部联系条（全站显示）
   ============================================================ */
.st-topbar {
    background: linear-gradient(90deg, var(--st-primary-d) 0%, var(--st-primary) 100%);
    color: rgba(255,255,255,.92);
    font-size: .82rem;
}
.st-topbar__inner { display: flex; align-items: center; justify-content: space-between; gap: 14px; padding-top: 7px; padding-bottom: 7px; flex-wrap: wrap; }
.st-topbar__left, .st-topbar__right { display: flex; align-items: center; gap: 16px; flex-wrap: wrap; }
.st-topbar__item { display: inline-flex; align-items: center; gap: 6px; color: rgba(255,255,255,.85); text-decoration: none; line-height: 1; }
.st-topbar__item:hover { color: #fff; }
.st-topbar__item .st-ic { font-size: .92rem; line-height: 1; }
@media (max-width: 599px) {
    .st-topbar__left .st-topbar__item:nth-child(2) { display: none; } /* 手机端隐藏邮箱，保留电话 */
    .st-topbar__right { display: none; } /* 手机端隐藏 WhatsApp/微信，避免拥挤 */
}

/* 品牌 Logo（自定义 Logo 或默认徽标） */
.st-brand { display: flex; flex-direction: row; align-items: center; gap: 12px; margin-right: auto; text-decoration: none; }
.st-brand__link { display: inline-flex; }
.st-brand__mark { display: inline-flex; filter: drop-shadow(0 2px 6px rgba(21,101,192,.25)); }
.st-brand__text { display: flex; flex-direction: column; line-height: 1.15; text-decoration: none; }
.st-brand__name { font-weight: 800; font-size: 1.12rem; color: var(--st-ink); letter-spacing: .01em; }
.st-brand__tag { font-size: .72rem; color: var(--st-muted); }
.st-brand .custom-logo { height: 44px; width: auto; display: block; }

/* ============================================================
   页脚联系区 + 二维码
   ============================================================ */
.st-footer-contact { background: var(--st-bg-deep); color: #fff; padding: 52px 0; }
.st-footer-contact__grid { display: grid; grid-template-columns: 1fr; gap: 28px; }
.st-footer-contact__title { font-family: var(--st-font-display); font-size: 1.6rem; font-weight: 800; margin: 8px 0 10px; color: #fff; }
.st-footer-contact__desc { color: rgba(255,255,255,.78); margin: 0; max-width: 460px; }
.st-footer-contact__list { list-style: none; margin: 0; padding: 0; display: grid; gap: 14px; }
.st-footer-contact__list li { display: flex; align-items: flex-start; gap: 12px; }
.st-footer-contact__list .st-ic { font-size: 1.15rem; line-height: 1.4; flex: 0 0 auto; }
.st-footer-contact__list b { display: block; font-size: .78rem; letter-spacing: .06em; text-transform: uppercase; color: rgba(255,255,255,.6); margin-bottom: 2px; }
.st-footer-contact__list a, .st-footer-contact__list span:not(.st-ic) { color: #fff; text-decoration: none; font-size: .98rem; }
.st-footer-contact__list a:hover { color: var(--st-accent); }
.st-footer-contact__qr { text-align: center; }
.st-footer-contact__qr img { width: 150px; height: 150px; object-fit: contain; background: #fff; border-radius: 12px; padding: 8px; box-shadow: var(--st-shadow-lg); }
.st-footer-contact__qrph { width: 150px; height: 150px; display: grid; place-items: center; background: rgba(255,255,255,.08); border: 1px dashed rgba(255,255,255,.3); border-radius: 12px; color: rgba(255,255,255,.6); font-size: .9rem; }
.st-footer-contact__qrlabel { display: block; margin-top: 10px; color: rgba(255,255,255,.8); font-size: .88rem; }
@media (min-width: 600px) {
    .st-footer-contact__grid { grid-template-columns: 1.2fr 1fr auto; align-items: center; }
}

/* 页脚底部版权栏 + 社交媒体图标 */
.st-footer-bottom { background: #0a1320; color: rgba(255,255,255,.65); border-top: 1px solid rgba(255,255,255,.08); padding: 16px 0; font-size: .85rem; }
.st-footer-bottom__inner { display: flex; align-items: center; justify-content: space-between; gap: 14px; flex-wrap: wrap; }
.st-footer-bottom__copy { margin: 0; }
.st-footer-bottom__social { list-style: none; margin: 0; padding: 0; display: flex; align-items: center; gap: 8px; }
.st-footer-bottom__social a { display: grid; place-items: center; width: 34px; height: 34px; border-radius: 50%; background: rgba(255,255,255,.08); color: #fff; text-decoration: none; font-size: 1rem; transition: background .2s, transform .2s; }
.st-footer-bottom__social a:hover { background: var(--st-primary); transform: translateY(-2px); }
@media (max-width: 599px) {
    .st-footer-bottom__inner { justify-content: center; text-align: center; }
}

/* ============================================================
   首页行程搜索（精简一行式，悬浮于 Hero 底部不遮挡首屏）
   ============================================================ */
.st-search { background:rgba(255,255,255,.94); backdrop-filter:blur(6px); border:1px solid rgba(255,255,255,.6); border-radius:999px; box-shadow:var(--st-shadow-lg,0 14px 40px rgba(20,30,50,.22)); padding:8px; margin-top:24px; max-width:680px; }
.st-search__row { display:grid; grid-template-columns:1fr; gap:8px; }
.st-search__field { display:flex; flex-direction:column; }
.st-search__field input, .st-search__field select { height:48px; width:100%; border:1px solid transparent; border-radius:999px; padding:0 18px; font-size:.95rem; background:transparent; color:var(--st-ink,#1f2430); }
.st-search__field input::placeholder { color:#9aa1ad; }
.st-search__field input:focus, .st-search__field select:focus { outline:none; border-color:var(--st-primary,#1565c0); background:#fff; }
.st-search__field--kw { flex:1; }
.st-search__field--dest { position:relative; }
.st-search__field--dest::before { content:""; position:absolute; left:0; top:50%; transform:translateY(-50%); height:22px; width:1px; background:rgba(20,30,50,.12); }
.st-search__btn { height:48px; padding:0 26px; border:none; border-radius:999px; background:var(--st-primary,#1565c0); color:#fff; font-weight:700; font-size:.98rem; cursor:pointer; white-space:nowrap; transition:background .2s; }
.st-search__btn:hover { background:var(--st-primary-d,#0d47a1); }
@media (min-width:768px){
    .st-search__row { grid-template-columns:1fr 200px auto; align-items:center; gap:0; }
    .st-search__field--kw input { border-radius:999px 0 0 999px; }
    .st-search__field--dest select { border-radius:0; padding-left:26px; }
    .st-search__btn { border-radius:0 999px 999px 0; }
}

/* 归档页补充筛选条 */
.st-filters { background:#fff; border:1px solid var(--st-border,#e3e3e8); border-radius:14px; box-shadow:var(--st-shadow-sm,0 6px 20px rgba(20,30,50,.06)); padding:16px; margin:8px 0 4px; }
.st-filters__row { display:grid; grid-template-columns:1fr; gap:12px; align-items:end; }
.st-filters .st-search__field { display:flex; flex-direction:column; gap:6px; text-align:left; }
.st-filters .st-search__field label { font-size:.74rem; font-weight:700; color:var(--st-muted,#6b7280); text-transform:uppercase; letter-spacing:.05em; }
.st-filters .st-search__field input, .st-filters .st-search__field select { height:46px; border:1px solid var(--st-border,#e3e3e8); border-radius:10px; padding:0 12px; font-size:.95rem; background:#fff; color:var(--st-ink,#1f2430); }
.st-filters .st-search__field input:focus, .st-filters .st-search__field select:focus { outline:none; border-color:var(--st-primary,#1565c0); }
.st-filters .st-search__price { display:flex; align-items:center; gap:8px; }
.st-filters .st-search__price input { width:100%; }
.st-filters .st-search__btn { height:46px; padding:0 24px; border:none; border-radius:10px; background:var(--st-primary,#1565c0); color:#fff; font-weight:700; cursor:pointer; white-space:nowrap; }
@media (min-width:768px){
    .st-filters__row { grid-template-columns:1fr 1fr 1fr 1.4fr auto; }
}

/* ============================================================
   首页旅行社介绍区（介绍 + 特点）
   ============================================================ */
.st-intro { background:#fff; }
.st-intro__grid { display:grid; grid-template-columns:1fr; gap:32px; align-items:center; }
.st-intro__text { max-width:60ch; }
.st-intro__lead { font-size:1.05rem; color:var(--st-accent); font-weight:600; margin:10px 0 8px; }
.st-intro__body { color:var(--st-muted); line-height:1.85; margin:0 0 22px; }
.st-intro__features { list-style:none; margin:0; padding:0; display:grid; grid-template-columns:1fr; gap:18px; }
.st-intro__feature { display:flex; gap:14px; align-items:flex-start; }
.st-intro__icon { flex:0 0 auto; width:44px; height:44px; border-radius:12px; background:rgba(21,101,192,.1); color:var(--st-primary); display:flex; align-items:center; justify-content:center; }
.st-intro__icon svg { width:22px; height:22px; }
.st-intro__feature h3 { font-size:1rem; margin:0 0 4px; }
.st-intro__feature p { margin:0; color:var(--st-muted); font-size:.92rem; line-height:1.6; }
@media (min-width:768px){
    .st-intro__grid { grid-template-columns:1.05fr 1fr; gap:56px; }
    .st-intro__features { grid-template-columns:1fr 1fr; column-gap:28px; }
}

/* 顶部联系条：手机 / 邮箱靠右 */
.st-topbar__right { margin-left:auto; display:flex; gap:18px; align-items:center; }

/* 品牌 logo 图片 */
.st-brand__logo, .st-brand .custom-logo { display:block; height:46px; width:auto; }

/* 路线归档 / 搜索结果页 */
.st-trip-archive { padding: 56px 0 64px; }
.st-trip-archive__count { margin: 22px 0 18px; font-size: .95rem; color: var(--st-muted, #6b7280); }
.st-trip-archive__clear { margin-left: 12px; color: var(--st-primary, #1565c0); text-decoration: none; font-weight: 700; }
.st-trip-archive__clear:hover { text-decoration: underline; }
.st-trip-archive__empty { margin: 30px 0; padding: 28px; background: #fff; border: 1px dashed var(--st-border, #e3e3e8); border-radius: 12px; text-align: center; color: var(--st-muted, #6b7280); }

/* ============================================================
   路线详情页（新版布局）
   ============================================================ */
.st-trip-hero__tags { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 18px; }
.st-trip-tag { display: inline-block; padding: 6px 14px; border-radius: 999px; background: rgba(255,255,255,.16); border: 1px solid rgba(255,255,255,.28); color: #fff; font-size: .82rem; font-weight: 600; -webkit-backdrop-filter: blur(4px); backdrop-filter: blur(4px); }

/* 元信息条 + 吸顶区块导航（一起吸顶） */
.st-trip-sticky { position: sticky; top: 0; z-index: 60; background: #fff; box-shadow: 0 6px 18px rgba(15,23,42,.06); }
.st-trip-bar { background: #fff; border-bottom: 1px solid var(--st-line, #e7edf3); }
.st-trip-bar__row { display: flex; flex-wrap: wrap; gap: 0; padding: 0; }
.st-trip-bar__item { flex: 1 1 0; min-width: 120px; padding: 16px 20px; border-right: 1px solid var(--st-line, #e7edf3); }
.st-trip-bar__item:last-child { border-right: 0; }
.st-trip-bar__item .k { display: block; font-size: .72rem; letter-spacing: .06em; text-transform: uppercase; color: var(--st-muted, #5b6b7b); margin-bottom: 4px; }
.st-trip-bar__item .v { font-size: 1.02rem; font-weight: 700; color: var(--st-ink, #14202b); }
.st-trip-bar__item--price .price { color: var(--st-primary, #1565c0); }

/* 吸顶区块导航 */
.st-trip-subnav { background: #fff; border-bottom: 1px solid var(--st-line, #e7edf3); }
.st-trip-subnav__row { display: flex; gap: 2px; overflow-x: auto; scrollbar-width: none; -webkit-overflow-scrolling: touch; }
.st-trip-subnav__row::-webkit-scrollbar { display: none; }
.st-trip-subnav a { display: inline-block; white-space: nowrap; padding: 14px 18px; font-weight: 700; font-size: .92rem; color: var(--st-muted, #5b6b7b); text-decoration: none; border-bottom: 3px solid transparent; transition: color .2s, border-color .2s; }
.st-trip-subnav a:hover { color: var(--st-primary, #1565c0); }
.st-trip-subnav a.is-active { color: var(--st-primary, #1565c0); border-bottom-color: var(--st-primary, #1565c0); }

/* 锚点平滑滚动，并预留吸顶高度 */
html { scroll-behavior: smooth; }
.st-trip-main [id], #booking, .st-trip-reviews { scroll-margin-top: 176px; }

/* 两栏布局 */
.st-trip-layout { display: grid; grid-template-columns: minmax(0, 1fr) 340px; gap: 44px; padding: 44px 0 56px; align-items: start; }
.st-trip-main { min-width: 0; }
.st-trip-block { margin-bottom: 46px; }
.st-trip-h2 { font-family: var(--st-font-display); font-size: 1.7rem; font-weight: 800; color: var(--st-ink, #14202b); margin: 0 0 20px; padding-left: 14px; border-left: 5px solid var(--st-primary, #1565c0); line-height: 1.2; }
.st-trip-h2--center { text-align: center; border-left: 0; padding-left: 0; }
.st-trip-lead { font-size: 1.06rem; line-height: 1.8; color: #34424f; }
.st-trip-lead p { margin: 0 0 1.1em; }

/* 亮点 */
.st-trip-highlights { list-style: none; margin: 26px 0 0; padding: 0; display: grid; grid-template-columns: repeat(2, 1fr); gap: 14px; }
.st-trip-highlights li { display: flex; align-items: flex-start; gap: 10px; background: var(--st-bg-alt, #f6f8fb); border: 1px solid var(--st-line, #e7edf3); border-radius: 12px; padding: 14px 16px; font-size: .96rem; color: var(--st-ink, #14202b); font-weight: 600; }
.st-trip-highlights__ic { flex: 0 0 auto; width: 22px; height: 22px; border-radius: 50%; background: var(--st-accent, #2e9e6b); color: #fff; display: inline-flex; align-items: center; justify-content: center; font-size: .8rem; font-weight: 800; }

/* 行程时间线 */
.st-timeline { list-style: none; margin: 0; padding: 0; position: relative; }
.st-timeline::before { content: ""; position: absolute; left: 19px; top: 8px; bottom: 8px; width: 2px; background: var(--st-line, #e7edf3); }
.st-timeline__item { padding: 0 0 22px; position: relative; }
.st-day { display: block; }
.st-day > summary { display: grid; grid-template-columns: 40px 1fr; gap: 18px; align-items: center; cursor: pointer; list-style: none; padding: 4px 0; }
.st-day > summary::-webkit-details-marker { display: none; }
.st-day__title-wrap { display: flex; align-items: center; justify-content: space-between; gap: 12px; min-width: 0; }
.st-day__caret { flex: 0 0 auto; color: var(--st-primary, #1565c0); transition: transform .2s ease; }
.st-day[open] > summary .st-day__caret { transform: rotate(180deg); }
.st-timeline__badge { width: 40px; height: 40px; border-radius: 50%; background: linear-gradient(135deg, var(--st-primary, #1565c0), var(--st-accent, #2e9e6b)); color: #fff; font-weight: 800; display: flex; align-items: center; justify-content: center; z-index: 1; box-shadow: 0 4px 12px rgba(21,101,192,.25); }
.st-timeline__body { margin: 10px 0 0 58px; background: #fff; border: 1px solid var(--st-line, #e7edf3); border-radius: 14px; padding: 16px 18px; }
.st-timeline__title { font-size: 1.05rem; font-weight: 800; margin: 0; color: var(--st-ink, #14202b); }
.st-timeline__text { margin: 0; color: #465562; line-height: 1.7; font-size: .96rem; }

/* 区块标题行 + 折叠开关 */
.st-trip-block__head { display: flex; align-items: center; justify-content: space-between; gap: 16px; margin-bottom: 18px; }
.st-trip-block__head .st-trip-h2 { margin: 0; }
.st-itin-toggle { appearance: none; display: inline-flex; align-items: center; justify-content: center; width: 34px; height: 34px; padding: 0; border: 1px solid var(--st-line, #e7edf3); border-radius: 50%; background: #fff; color: var(--st-primary, #1565c0); cursor: pointer; transition: background .2s ease, color .2s ease, border-color .2s ease; }
.st-itin-toggle:hover { background: var(--st-primary, #1565c0); color: #fff; border-color: var(--st-primary, #1565c0); }
.st-itin-toggle__ic { display: none; }
.st-itin-toggle__plus { display: block; }
.st-itin-toggle.is-open .st-itin-toggle__plus { display: none; }
.st-itin-toggle.is-open .st-itin-toggle__minus { display: block; }

/* ===== 目的地（destination）归档页 ===== */
.st-dest-hero { position: relative; min-height: 360px; display: flex; align-items: flex-end; padding: 84px 0 48px; color: #fff; overflow: hidden; }
.st-dest-hero--fallback { background: linear-gradient(135deg, var(--st-primary, #1565c0), var(--st-accent, #2e9e6b)); }
.st-dest-hero__bg { position: absolute; inset: 0; background-size: cover; background-position: center; }
.st-dest-hero__overlay { position: absolute; inset: 0; background: linear-gradient(180deg, rgba(8,20,33,.15), rgba(8,20,33,.72)); }
.st-dest-hero__inner { position: relative; z-index: 1; width: 100%; }
.st-breadcrumb { display: flex; flex-wrap: wrap; gap: 8px; align-items: center; font-size: .9rem; opacity: .9; margin-bottom: 14px; }
.st-breadcrumb a { color: #fff; text-decoration: none; }
.st-breadcrumb a:hover { text-decoration: underline; }
.st-breadcrumb span[aria-hidden] { opacity: .55; }
.st-dest-hero__title { font-size: clamp(2rem, 5vw, 3.2rem); margin: 0; font-weight: 900; letter-spacing: .3px; }
.st-dest-hero__sub { max-width: 640px; margin: 12px 0 0; opacity: .92; }

.st-dest-intro__grid { display: grid; grid-template-columns: 1fr; gap: 28px; }
@media (min-width: 860px) { .st-dest-intro__grid { grid-template-columns: 1.6fr 1fr; gap: 48px; align-items: start; } }
.st-prose { color: #465562; line-height: 1.8; font-size: 1rem; }
.st-prose p { margin: 0 0 14px; }
.st-dest-highlights { background: #fff; border: 1px solid var(--st-line, #e7edf3); border-radius: 16px; padding: 22px 24px; }
.st-dest-highlights__title { margin: 0 0 14px; font-size: 1.1rem; color: var(--st-ink, #14202b); }
.st-dest-highlights__list { margin: 0; padding: 0; list-style: none; }
.st-dest-highlights__list li { position: relative; padding: 8px 0 8px 26px; border-top: 1px solid var(--st-line, #e7edf3); color: #465562; }
.st-dest-highlights__list li:first-child { border-top: 0; }
.st-dest-highlights__list li::before { content: "\2713"; position: absolute; left: 0; top: 8px; color: var(--st-accent, #2e9e6b); font-weight: 800; }

.st-grid--attractions { grid-template-columns: repeat(auto-fill, minmax(240px, 1fr)); }
.st-attraction { background: #fff; border: 1px solid var(--st-line, #e7edf3); border-radius: 16px; overflow: hidden; box-shadow: 0 10px 30px rgba(20,32,43,.06); }
.st-attraction__media { aspect-ratio: 16 / 10; overflow: hidden; }
.st-attraction__media img { width: 100%; height: 100%; object-fit: cover; }
.st-attraction__body { padding: 16px 18px 20px; }
.st-attraction__title { margin: 0 0 6px; font-size: 1.05rem; color: var(--st-ink, #14202b); }
.st-attraction__desc { margin: 0; color: #465562; line-height: 1.6; font-size: .94rem; }

.st-dest-cols__grid { display: grid; grid-template-columns: 1fr; gap: 28px; }
@media (min-width: 760px) { .st-dest-cols__grid { grid-template-columns: 1fr 1fr; gap: 40px; } }
.st-dest-col { background: #fff; border: 1px solid var(--st-line, #e7edf3); border-radius: 16px; padding: 26px 28px; }

.st-dest-faq__wrap { max-width: 820px; }
.st-faq__item { border: 1px solid var(--st-line, #e7edf3); border-radius: 12px; margin-bottom: 12px; background: #fff; overflow: hidden; }
.st-faq__q { display: flex; align-items: center; justify-content: space-between; gap: 16px; padding: 16px 20px; cursor: pointer; font-weight: 700; color: var(--st-ink, #14202b); list-style: none; }
.st-faq__q::-webkit-details-marker { display: none; }
.st-faq__ic { width: 18px; height: 18px; flex: 0 0 auto; position: relative; }
.st-faq__ic::before, .st-faq__ic::after { content: ""; position: absolute; background: var(--st-primary, #1565c0); border-radius: 2px; transition: transform .2s ease, opacity .2s ease; }
.st-faq__ic::before { left: 0; top: 8px; width: 18px; height: 2px; }
.st-faq__ic::after { left: 8px; top: 0; width: 2px; height: 18px; }
.st-faq__item[open] .st-faq__ic::after { transform: scaleY(0); opacity: 0; }
.st-faq__a { padding: 0 20px 18px; color: #465562; line-height: 1.7; }
.st-faq__a p { margin: 0; }

.st-dest-cta { background: linear-gradient(135deg, var(--st-primary, #1565c0), var(--st-accent, #2e9e6b)); color: #fff; }
.st-dest-cta__inner { text-align: center; padding: 56px 0; }
.st-dest-cta__title { font-size: clamp(1.6rem, 4vw, 2.4rem); margin: 0 0 12px; }
.st-dest-cta__desc { max-width: 620px; margin: 0 auto 22px; opacity: .92; }
.st-dest-cta .st-btn--primary { background: #fff; color: var(--st-primary, #1565c0); }
.st-dest-cta .st-btn--primary:hover { background: rgba(255,255,255,.9); }

/* 后台目的地 meta 字段 */
.st-metabox-media { display: flex; align-items: center; gap: 12px; flex-wrap: wrap; }
.st-metabox-media .st-preview img { width: 60px; height: 60px; object-fit: cover; border-radius: 8px; border: 1px solid #ddd; }
.st-rep__row { display: flex; flex-wrap: wrap; gap: 10px; align-items: center; padding: 12px; border: 1px solid #e2e6ea; border-radius: 10px; margin-bottom: 10px; background: #fafbfc; }
.st-rep__row input[type=text] { flex: 1 1 200px; }
.st-rep__row textarea { flex: 1 1 100%; }
.st-rep__row .st-preview img { width: 48px; height: 48px; object-fit: cover; border-radius: 6px; }
.st-rep__handle { flex: 0 0 auto; width: 20px; height: 30px; cursor: grab; border-radius: 6px; align-self: stretch; background-image: radial-gradient(circle, #9aa7b4 1.4px, transparent 1.6px); background-size: 7px 7px; background-position: center; background-repeat: repeat; }
.st-rep__handle:hover { background-color: #eef2f6; }
.st-rep__handle:active { cursor: grabbing; }
.st-rep__row.is-dragging { opacity: .45; box-shadow: 0 6px 18px rgba(21,101,192,.25); border-color: var(--st-primary, #1565c0); }

/* 图集 */
.st-trip-gallery { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; grid-auto-flow: dense; }
.st-trip-gallery__item { overflow: hidden; border-radius: 14px; aspect-ratio: 4 / 3; background: var(--st-bg-alt, #f6f8fb); }
.st-trip-gallery__item:first-child { grid-column: span 2; grid-row: span 2; aspect-ratio: auto; }
.st-trip-gallery__item img { width: 100%; height: 100%; object-fit: cover; display: block; transition: transform .4s ease; }
.st-trip-gallery__item:hover img { transform: scale(1.06); }

/* 包含 / 不含 */
.st-incl { display: grid; grid-template-columns: 1fr 1fr; gap: 22px; }
.st-incl__col { background: #fff; border: 1px solid var(--st-line, #e7edf3); border-radius: 16px; padding: 22px 24px; }
.st-incl__title { font-size: 1.1rem; font-weight: 800; margin: 0 0 14px; padding-bottom: 10px; border-bottom: 2px solid; }
.st-incl__title--in { color: var(--st-accent, #2e9e6b); border-color: var(--st-accent, #2e9e6b); }
.st-incl__title--out { color: #d23b3b; border-color: #d23b3b; }
.st-incl__list { list-style: none; margin: 0; padding: 0; }
.st-incl__list li { position: relative; padding: 7px 0 7px 26px; color: #465562; font-size: .96rem; border-bottom: 1px dashed var(--st-line, #e7edf3); }
.st-incl__list li:last-child { border-bottom: 0; }
.st-incl__list li::before { position: absolute; left: 0; top: 7px; font-weight: 800; }
.st-incl__list:not(.st-incl__list--out) li::before { content: "✓"; color: var(--st-accent, #2e9e6b); }
.st-incl__list--out li::before { content: "✕"; color: #d23b3b; }

/* FAQ */
.st-faq { display: grid; gap: 12px; }
.st-faq__item { background: #fff; border: 1px solid var(--st-line, #e7edf3); border-radius: 12px; padding: 0; overflow: hidden; }
.st-faq__item summary { cursor: pointer; padding: 16px 46px 16px 18px; font-weight: 700; color: var(--st-ink, #14202b); position: relative; list-style: none; }
.st-faq__item summary::-webkit-details-marker { display: none; }
.st-faq__item summary::after { content: "+"; position: absolute; right: 18px; top: 50%; transform: translateY(-50%); font-size: 1.4rem; color: var(--st-primary, #1565c0); transition: transform .2s ease; }
.st-faq__item[open] summary::after { content: "–"; }
.st-faq__a { padding: 0 18px 18px; color: #465562; line-height: 1.75; font-size: .96rem; }

/* 侧边预订卡 */
.st-trip-aside { position: sticky; top: 76px; display: grid; gap: 22px; }
.st-book-card { background: #fff; border: 1px solid var(--st-line, #e7edf3); border-radius: 18px; padding: 22px; box-shadow: var(--st-shadow-lg, 0 18px 50px rgba(15,23,42,.10)); }
.st-book-card__price { display: flex; align-items: baseline; gap: 8px; margin-bottom: 14px; }
.st-book-card__num { font-size: 2rem; font-weight: 900; color: var(--st-primary, #1565c0); font-family: var(--st-font-display); }
.st-book-card__price small { color: var(--st-muted, #5b6b7b); font-weight: 600; }
.st-book-card__facts { list-style: none; margin: 0 0 16px; padding: 0; display: grid; gap: 8px; }
.st-book-card__facts li { display: flex; gap: 10px; align-items: center; font-size: .94rem; color: var(--st-ink, #14202b); padding: 8px 0; border-bottom: 1px dashed var(--st-line, #e7edf3); }
.st-book-card__facts li:last-child { border-bottom: 0; }
.st-book-card__cta { width: 100%; justify-content: center; margin-bottom: 10px; }
.st-book-card__contact { display: flex; gap: 10px; margin-top: 14px; }
.st-book-card__c { flex: 1; height: 44px; border: 1px solid var(--st-line, #e7edf3); border-radius: 12px; background: var(--st-bg-alt, #f6f8fb); color: var(--st-ink, #14202b); font-size: 1.1rem; text-align: center; text-decoration: none; cursor: pointer; display: inline-flex; align-items: center; justify-content: center; }
.st-book-card__c:hover { border-color: var(--st-primary, #1565c0); background: rgba(21,101,192,.06); }

/* 为什么选择我们 */
.st-why { background: linear-gradient(160deg, var(--st-bg-deep, #0a2540), #103a5e); border-radius: 18px; padding: 22px 24px; color: #fff; }
.st-why__title { font-size: 1.1rem; font-weight: 800; margin: 0 0 14px; }
.st-why__list { list-style: none; margin: 0; padding: 0; display: grid; gap: 12px; }
.st-why__list li { display: flex; gap: 10px; align-items: flex-start; font-size: .95rem; line-height: 1.5; color: rgba(255,255,255,.92); }

/* 相关路线 */
.st-trip-related { background: var(--st-bg-alt, #f6f8fb); padding: 56px 0 64px; border-top: 1px solid var(--st-line, #e7edf3); }
.st-rel-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.st-rel-card { background: #fff; border: 1px solid var(--st-line, #e7edf3); border-radius: 16px; overflow: hidden; text-decoration: none; color: inherit; transition: transform .2s ease, box-shadow .2s ease; }
.st-rel-card:hover { transform: translateY(-4px); box-shadow: var(--st-shadow-lg, 0 18px 50px rgba(15,23,42,.12)); }
.st-rel-card__media { aspect-ratio: 16 / 10; overflow: hidden; background: var(--st-bg-alt, #f6f8fb); }
.st-rel-card__media img { width: 100%; height: 100%; object-fit: cover; display: block; }
.st-rel-card__body { padding: 16px 18px 18px; }
.st-rel-card__title { font-size: 1.05rem; font-weight: 800; margin: 0 0 8px; color: var(--st-ink, #14202b); }
.st-rel-card__meta { display: flex; gap: 14px; font-size: .9rem; color: var(--st-muted, #5b6b7b); font-weight: 600; }
.st-rel-card__meta .price { color: var(--st-primary, #1565c0); }

/* 游客评价 */
.st-section__head--center { text-align: center; }
.st-trip-reviews { background: var(--st-bg-alt, #f6f8fb); border-top: 1px solid var(--st-line, #e7edf3); }
.st-trip-reviews .st-testimonial { background: #fff; }

/* 响应式 */
@media (max-width: 980px) {
    .st-trip-layout { grid-template-columns: 1fr; gap: 30px; }
    .st-trip-aside { position: static; }
}
@media (max-width: 680px) {
    .st-trip-bar__item { flex-basis: 50%; border-bottom: 1px solid var(--st-line, #e7edf3); }
    .st-trip-highlights { grid-template-columns: 1fr; }
    .st-trip-gallery { grid-template-columns: repeat(2, 1fr); }
    .st-trip-gallery__item:first-child { grid-column: span 2; grid-row: auto; aspect-ratio: 4 / 3; }
    .st-incl { grid-template-columns: 1fr; }
    .st-rel-grid { grid-template-columns: 1fr; }
    .st-trip-h2 { font-size: 1.45rem; }
}

/* ============================================================
   浮动组件：快速咨询 + 在线客服（全站）
   ============================================================ */
.st-fab {
    position: fixed;
    right: 18px;
    z-index: 1200;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    border: 0;
    border-radius: 999px;
    padding: 13px 18px;
    color: #fff;
    font-family: inherit;
    font-weight: 700;
    font-size: .92rem;
    cursor: pointer;
    box-shadow: var(--st-shadow-lg, 0 18px 50px rgba(15,23,42,.16));
    transition: transform .18s ease, box-shadow .18s ease, background .18s ease;
    line-height: 1;
}
.st-fab svg { width: 20px; height: 20px; fill: #fff; }
.st-fab:hover { transform: translateY(-2px); }
.st-fab--enquiry { bottom: 84px; background: var(--st-accent, #2e9e6b); }
.st-fab--enquiry:hover { background: #248a5b; }
.st-fab--chat { bottom: 20px; background: var(--st-primary, #1565c0); }
.st-fab--chat:hover { background: var(--st-primary-d, #0d47a1); }
@media (max-width: 599px) {
    .st-fab__label { display: none; }
    .st-fab { padding: 14px; }
    .st-fab--enquiry { bottom: 78px; }
    .st-enq-row { grid-template-columns: 1fr; }
}

/* 弹窗（咨询 / 微信二维码） */
.st-modal { position: fixed; inset: 0; z-index: 1300; display: flex; align-items: center; justify-content: center; padding: 18px; }
.st-modal[hidden], .st-chat[hidden] { display: none; }
.st-modal__backdrop { position: absolute; inset: 0; background: rgba(8,20,35,.55); -webkit-backdrop-filter: blur(2px); backdrop-filter: blur(2px); }
.st-modal__panel {
    position: relative;
    width: 100%;
    max-width: 440px;
    background: #fff;
    border-radius: 18px;
    padding: 26px 24px 24px;
    box-shadow: var(--st-shadow-lg, 0 18px 50px rgba(15,23,42,.16));
    animation: st-pop .25s ease both;
}
@keyframes st-pop { from { opacity: 0; transform: translateY(16px) scale(.98); } to { opacity: 1; transform: none; } }
.st-modal__close { position: absolute; top: 12px; right: 14px; width: 34px; height: 34px; display: inline-flex; align-items: center; justify-content: center; padding: 0; box-sizing: border-box; border: 0; border-radius: 50%; background: var(--st-bg-alt, #f6f8fb); color: var(--st-ink, #14202b); cursor: pointer; transition: background .18s ease; }
.st-modal__close .st-x { width: 18px; height: 18px; }
.st-modal__close:hover { background: var(--st-line, #e7edf3); }
.st-modal__title { font-family: var(--st-font-display); font-size: 1.35rem; font-weight: 800; margin: 0 0 6px; padding-right: 42px; color: var(--st-ink, #14202b); }
.st-modal__sub { color: var(--st-muted, #5b6b7b); margin: 0 0 18px; font-size: .95rem; line-height: 1.6; }
.st-modal__panel--qr { max-width: 340px; text-align: center; }
.st-modal__qrnum { margin: 14px 0 0; color: var(--st-muted, #5b6b7b); }
.st-modal__qrnum b { color: var(--st-ink, #14202b); }
.st-qr { width: 190px; height: 190px; object-fit: contain; background: #fff; border: 1px solid var(--st-line, #e7edf3); border-radius: 12px; padding: 8px; margin: 6px auto 0; }

/* 表单（共用） */
.st-wform { display: grid; gap: 14px; }
.st-wform label { display: grid; gap: 6px; font-size: .86rem; font-weight: 700; color: var(--st-ink, #14202b); }
.st-wform input, .st-wform textarea {
    width: 100%;
    border: 1px solid var(--st-line, #e7edf3);
    border-radius: 12px;
    padding: 12px 14px;
    font-family: inherit;
    font-size: .98rem;
    color: var(--st-ink, #14202b);
    background: #fff;
    resize: vertical;
}
.st-wform input:focus, .st-wform textarea:focus { outline: none; border-color: var(--st-primary, #1565c0); box-shadow: 0 0 0 3px rgba(21,101,192,.15); }
.st-wform__submit { width: 100%; }
.st-wform__msg { margin: 2px 0 0; font-size: .9rem; font-weight: 600; min-height: 1em; }
.st-wform__msg.is-ok { color: var(--st-accent, #2e9e6b); }
.st-wform__msg.is-err { color: #d23b3b; }

/* 结构化行程咨询弹窗（卡片式 Quick Question） */
.st-modal__panel--enquiry {
    max-width: 520px;
    max-height: 90vh;
    overflow-y: auto;
    padding: 0;
    border-radius: 20px;
    background: #fff;
}
.st-modal__close--light {
    top: 14px;
    right: 14px;
    background: rgba(255,255,255,.25);
    color: #fff;
}
.st-modal__close--light:hover { background: rgba(255,255,255,.4); }
.st-enq-card { display: flex; flex-direction: column; }
.st-enq-card__head {
    position: relative;
    padding: 28px 24px 22px;
    text-align: center;
    color: #fff;
    background: linear-gradient(135deg, var(--st-primary, #1565c0) 0%, var(--st-primary-d, #0d47a1) 100%);
}
.st-enq-card__title { font-family: var(--st-font-display); font-size: 1.45rem; font-weight: 800; margin: 0; color: #fff; }
.st-enq-card__trip { margin: 8px 0 0; font-size: .92rem; color: rgba(255,255,255,.92); }
.st-enq-card__trip span { font-weight: 700; color: #fff; }
.st-enq-card__trip strong { color: #fff; font-weight: 700; }
.st-enq-card__body { padding: 22px 24px 26px; }
.st-enq-card__sub { color: var(--st-muted, #5b6b7b); margin: 0 0 18px; font-size: .96rem; line-height: 1.55; text-align: center; }
.st-enq-form { gap: 16px; }
.st-enq-form .st-wform__label { display: grid; gap: 7px; font-size: .92rem; font-weight: 700; color: var(--st-ink, #14202b); }
.st-enq-form .st-wform__label .st-req { color: #d23b3b; font-weight: 800; margin-left: 2px; }
.st-enq-form .st-wform__input,
.st-enq-form input[type="text"],
.st-enq-form input[type="email"],
.st-enq-form input[type="number"],
.st-enq-form textarea {
    border: 1px solid #d5e0ec;
    border-radius: 12px;
    padding: 13px 15px;
    font-size: 1rem;
    background: #fff;
    transition: border-color .2s ease, box-shadow .2s ease, background .2s ease;
}
.st-enq-form .st-wform__input--idea {
    min-height: 112px;
    background: #f0f7ff;
    border-color: #c9ddf4;
    resize: vertical;
}
.st-enq-form .st-wform__input:focus,
.st-enq-form input:focus,
.st-enq-form textarea:focus { outline: none; border-color: var(--st-primary, #1565c0); box-shadow: 0 0 0 4px rgba(21,101,192,.12); background: #fff; }
.st-enq-form input::placeholder,
.st-enq-form textarea::placeholder { color: #8a9bb0; }
.st-enq-row { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.st-enq-form__submit {
    width: 100%;
    margin-top: 4px;
    padding: 15px 24px;
    font-size: 1.05rem;
    font-weight: 700;
    border-radius: 12px;
    box-shadow: 0 10px 22px rgba(21,101,192,.32);
}
.st-enq-privacy { margin: 2px 0 0; text-align: center; color: var(--st-muted, #5b6b7b); font-size: .84rem; }
.st-enq-form .st-wform__msg { text-align: center; margin-top: 4px; }
.st-wform select {
    width: 100%;
    border: 1px solid var(--st-line, #e7edf3);
    border-radius: 12px;
    padding: 12px 14px;
    font-family: inherit;
    font-size: .98rem;
    color: var(--st-ink, #14202b);
    background: #fff;
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath fill='%235b6b7b' d='M1 1l5 5 5-5'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 14px center;
    padding-right: 36px;
}
.st-wform select:focus { outline: none; border-color: var(--st-primary, #1565c0); box-shadow: 0 0 0 3px rgba(21,101,192,.15); }

/* 到达日期：flatpickr 美化（文本输入 + 日历图标） */
.st-enq-date {
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='18' height='18' viewBox='0 0 24 24' fill='none' stroke='%235b6b7b' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Crect x='3' y='4' width='18' height='18' rx='2'/%3E%3Cpath d='M16 2v4M8 2v4M3 10h18'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 14px center;
    padding-right: 42px;
    cursor: pointer;
}
.st-enq-date::placeholder { color: var(--st-muted, #5b6b7b); }

/* flatpickr 日历主题，贴合品牌色 */
.flatpickr-calendar {
    border-radius: 14px;
    box-shadow: 0 18px 48px rgba(20,32,43,.18);
    border: 1px solid var(--st-line, #e7edf3);
    font-family: inherit;
    overflow: hidden;
}
.flatpickr-day.selected, .flatpickr-day.startRange, .flatpickr-day.endRange,
.flatpickr-day.selected:hover, .flatpickr-day.startRange:hover, .flatpickr-day.endRange:hover {
    background: var(--st-primary, #1565c0);
    border-color: var(--st-primary, #1565c0);
    color: #fff;
}
.flatpickr-day.today { border-color: var(--st-primary, #1565c0); }
.flatpickr-day:hover { background: rgba(21,101,192,.1); }
.flatpickr-months .flatpickr-month, .flatpickr-current-month, .flatpickr-monthDropdown-months {
    color: var(--st-ink, #14202b);
    fill: var(--st-ink, #14202b);
}
.flatpickr-weekday { color: var(--st-muted, #5b6b7b); }

.st-req { color: #d23b3b; }
.st-enq-privacy { margin: 2px 0 0; font-size: .76rem; color: var(--st-muted, #5b6b7b); }

/* 客服聊天抽屉 */
.st-chat {
    position: fixed;
    right: 18px;
    bottom: 20px;
    z-index: 1250;
    width: min(360px, calc(100vw - 36px));
    height: min(540px, calc(100vh - 120px));
    background: #fff;
    border-radius: 18px;
    box-shadow: var(--st-shadow-lg, 0 18px 50px rgba(15,23,42,.16));
    display: flex;
    flex-direction: column;
    overflow: hidden;
    animation: st-pop .25s ease both;
}
.st-chat__head { display: flex; align-items: center; gap: 10px; padding: 14px 16px; background: linear-gradient(135deg, var(--st-primary, #1565c0), var(--st-accent, #2e9e6b)); color: #fff; }
.st-chat__avatar { font-size: 1.3rem; line-height: 1; }
.st-chat__titles { display: flex; flex-direction: column; line-height: 1.25; }
.st-chat__titles b { font-size: 1rem; }
.st-chat__titles small { font-size: .74rem; opacity: .85; }
.st-chat__close { margin-left: auto; width: 32px; height: 32px; display: inline-flex; align-items: center; justify-content: center; padding: 0; box-sizing: border-box; border: 0; border-radius: 50%; background: rgba(255,255,255,.18); color: #fff; cursor: pointer; transition: background .18s ease; }
.st-chat__close .st-x { width: 17px; height: 17px; }
.st-chat__close:hover { background: rgba(255,255,255,.32); }
.st-chat__body { flex: 1; overflow-y: auto; padding: 16px; display: flex; flex-direction: column; gap: 10px; background: var(--st-bg-alt, #f6f8fb); }
.st-chat__msg { max-width: 82%; padding: 10px 13px; border-radius: 14px; font-size: .92rem; line-height: 1.55; }
.st-chat__msg--bot { align-self: flex-start; background: #fff; border: 1px solid var(--st-line, #e7edf3); border-bottom-left-radius: 4px; color: var(--st-ink, #14202b); }
.st-chat__msg--user { align-self: flex-end; background: var(--st-primary, #1565c0); color: #fff; border-bottom-right-radius: 4px; }
.st-chat__chips { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 2px; }
.st-chat__chip { border: 1px solid var(--st-primary, #1565c0); background: #fff; color: var(--st-primary, #1565c0); border-radius: 999px; padding: 7px 13px; font-size: .82rem; font-weight: 600; cursor: pointer; font-family: inherit; }
.st-chat__chip:hover { background: rgba(21,101,192,.08); }
.st-chat__quick { display: flex; flex-wrap: wrap; gap: 8px; padding: 10px 12px 4px; border-top: 1px solid var(--st-line, #e7edf3); }
.st-chat__quickbtn { flex: 1 1 auto; text-align: center; text-decoration: none; border: 1px solid var(--st-line, #e7edf3); background: #fff; color: var(--st-ink, #14202b); border-radius: 10px; padding: 9px 10px; font-size: .84rem; font-weight: 600; cursor: pointer; font-family: inherit; }
.st-chat__quickbtn:hover { border-color: var(--st-primary, #1565c0); color: var(--st-primary, #1565c0); }
.st-chat__input { display: flex; gap: 8px; padding: 10px 12px 14px; border-top: 1px solid var(--st-line, #e7edf3); }
.st-chat__input input { flex: 1; height: 44px; border: 1px solid var(--st-line, #e7edf3); border-radius: 999px; padding: 0 16px; font-family: inherit; font-size: .95rem; color: var(--st-ink, #14202b); }
.st-chat__input input:focus { outline: none; border-color: var(--st-primary, #1565c0); }
.st-chat__input button { height: 44px; padding: 0 20px; border: 0; border-radius: 999px; background: var(--st-primary, #1565c0); color: #fff; font-weight: 700; cursor: pointer; font-family: inherit; }
.st-chat__input button:hover { background: var(--st-primary-d, #0d47a1); }
.st-chat .st-wform__msg { padding: 0 12px 10px; }
@media (max-width: 599px) {
    .st-chat { right: 12px; left: 12px; width: auto; }
}

/* ===== 首页：热门目的地网格（Top Destinations in China） ===== */
.st-dest-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; }
.st-dest-card { display: block; text-decoration: none; color: inherit; }
.st-dest-card__media {
    position: relative; display: block; aspect-ratio: 4 / 3; border-radius: 14px;
    background: #dfe6ee center / cover no-repeat; overflow: hidden;
    box-shadow: 0 6px 18px rgba(21, 101, 192, .12); transition: transform .25s ease;
}
.st-dest-card__media::after {
    content: ""; position: absolute; inset: 0;
    background: linear-gradient(180deg, rgba(0,0,0,.30) 0%, rgba(0,0,0,.42) 55%, rgba(0,0,0,.5) 100%);
}
.st-dest-card__ph { position: absolute; inset: 0; background: linear-gradient(135deg, #1565c0, #42a5f5); opacity: .85; }
.st-dest-card__name {
    position: absolute; left: 50%; top: 50%; transform: translate(-50%, -50%);
    z-index: 2; color: #fff; margin: 0;
    display: inline-flex; align-items: center; gap: 8px;
    font-weight: 700; font-size: 1.18rem; letter-spacing: .01em;
    text-shadow: 0 1px 6px rgba(0,0,0,.55);
}
.st-dest-card__name .st-dest-card__pin { width: 20px; height: 20px; flex: 0 0 auto; filter: drop-shadow(0 1px 3px rgba(0,0,0,.5)); }
.st-dest-card:hover .st-dest-card__media { transform: translateY(-4px); }

/* ===== 首页：旅游主题（China Tours by Theme） ===== */
.st-themes { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; }
.st-theme {
    display: block; text-decoration: none; color: inherit; background: #fff;
    border: 1px solid #e7edf3; border-radius: 14px; padding: 20px;
    transition: transform .2s ease, box-shadow .2s ease;
}
.st-theme:hover { transform: translateY(-4px); box-shadow: 0 10px 24px rgba(21, 101, 192, .14); }
.st-theme__icon {
    display: inline-flex; width: 42px; height: 42px; align-items: center; justify-content: center;
    border-radius: 10px; background: rgba(21, 101, 192, .1); color: var(--st-primary, #1565c0); margin-bottom: 10px;
}
.st-theme__icon svg { width: 22px; height: 22px; }
.st-theme__title { font-size: 1.02rem; margin: 0 0 6px; }
.st-theme__desc { font-size: .86rem; color: #5b6770; margin: 0 0 8px; }
.st-theme__more { font-size: .85rem; font-weight: 600; color: var(--st-primary, #1565c0); }

@media (max-width: 900px) {
    .st-dest-grid, .st-themes { grid-template-columns: repeat(2, 1fr); }
}

/* 手机端（≤599px）：Top Destinations 保持 2 列图片网格（不滑动）；
   Travel Themes 保持 2 列紧凑网格、隐藏描述让卡片高度统一、视觉更干净 */
@media (max-width: 599px) {
    /* Top Destinations：2 列网格，列间距收紧更紧凑 */
    .st-dest-grid { gap: 12px; }

    /* Latest Articles：手机端 2 列网格，更多内容随页面自然向下滚动 */
    .st-articles { grid-template-columns: repeat(2, 1fr); gap: 12px; }
    .st-article__body { padding: 12px 14px 16px; }
    .st-article__title { font-size: 1rem; }

    /* Popular Routes：手机端改为 2 列网格（取消滑动，更直观） */
    .st-grid--trips {
        display: grid;
        grid-template-columns: repeat(2, 1fr);
        gap: 14px;
        margin-left: 0;
        margin-right: 0;
        padding: 4px 0 12px;
        overflow: visible;
        scroll-snap-type: none;
    }
    .st-grid--trips > .st-card { max-width: none; }
    .st-grid--trips::after { display: none; }

    /* Travel Themes：手机端 2 列紧凑卡片 */
    .st-themes { gap: 12px; }
    .st-theme { padding: 16px 14px; }
    .st-theme__icon { width: 38px; height: 38px; margin-bottom: 8px; }
    .st-theme__icon svg { width: 20px; height: 20px; }
    .st-theme__title { font-size: .96rem; }
    .st-theme__desc { display: none; }   /* 手机端隐藏描述，卡片更统一 */
    .st-theme__more { font-size: .8rem; }

    /* 手机端：隐藏首页 About Us 整块及导航入口，减少信息过载、突出核心模块 */
    .st-intro { display: none; }
    .st-menu__item--about { display: none; }
}

/* ===== 回到顶部按钮 ===== */
.st-totop {
    position: fixed;
    right: 18px;
    bottom: 148px;
    z-index: 1100;
    width: 46px;
    height: 46px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0;
    border: 1px solid rgba(21, 101, 192, .20);
    border-radius: 50%;
    background: rgba(255, 255, 255, .92);
    -webkit-backdrop-filter: blur(8px);
    backdrop-filter: blur(8px);
    color: var(--st-primary, #1565c0);
    box-shadow: 0 8px 20px rgba(10, 30, 60, .16);
    cursor: pointer;
    opacity: 0;
    visibility: hidden;
    transform: translateY(12px) scale(.94);
    transition: opacity .25s ease, transform .25s ease, visibility .25s, background .2s ease, color .2s ease, border-color .2s ease, box-shadow .2s ease;
}
.st-totop.is-visible { opacity: 1; visibility: visible; transform: translateY(0) scale(1); }
.st-totop:hover {
    background: var(--st-primary, #1565c0);
    color: #fff;
    border-color: var(--st-primary, #1565c0);
    box-shadow: 0 12px 26px rgba(21, 101, 192, .34);
    transform: translateY(-2px) scale(1);
}
.st-totop:focus-visible { outline: 3px solid rgba(21, 101, 192, .4); outline-offset: 2px; }
.st-totop svg { width: 20px; height: 20px; transition: transform .2s ease; }
.st-totop:hover svg { transform: translateY(-2px); }
@media (max-width: 600px) {
    .st-totop { right: 18px; bottom: 140px; width: 42px; height: 42px; }
}