/* ==============================================
   莫斯国际集团— Professional Fertilizer Website
   ============================================= */
:root {
    --green-dark: #1a4a1f;
    --green-main: #2d7a35;
    --green-light: #4caf50;
    --green-pale: #e8f5e9;
    --accent: #f5a623;
    --text-dark: #1a1a2e;
    --text-mid: #444;
    --text-light: #777;
    --white: #ffffff;
    --bg-light: #f7f9f5;
    --bg-section: #f0f4ee;
    --border: #dde8da;
    --shadow: 0 4px 24px rgba(0,0,0,0.10);
    --shadow-lg: 0 12px 48px rgba(0,0,0,0.16);
    --radius: 10px;
    --radius-lg: 18px;
    --transition: all 0.3s ease;
    --font-main: 'Noto Sans SC', 'Roboto', sans-serif;
    --font-head: 'Montserrat', sans-serif;
}
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body { font-family: var(--font-main); color: var(--text-dark); background: var(--white); line-height: 1.65; overflow-x: hidden; }
img { max-width: 100%; height: auto; display: block; }
a { text-decoration: none; color: inherit; transition: var(--transition); }
ul { list-style: none; }
button { cursor: pointer; border: none; background: none; font-family: inherit; }
.container { max-width: 1240px; margin: 0 auto; padding: 0 24px; }

/* BUTTONS */
.btn { display: inline-flex; align-items: center; gap: 8px; padding: 13px 28px; border-radius: 6px; font-weight: 600; font-size: 0.95rem; transition: var(--transition); cursor: pointer; border: 2px solid transparent; }
.btn-primary { background: var(--green-main); color: var(--white); }
.btn-primary:hover { background: var(--green-dark); transform: translateY(-2px); box-shadow: 0 6px 20px rgba(45,122,53,0.35); }
.btn-outline { background: transparent; color: var(--green-main); border: 2px solid var(--green-main); }
.btn-outline:hover { background: var(--green-main); color: var(--white); transform: translateY(-2px); box-shadow: 0 6px 20px rgba(45,122,53,0.35); }
.btn-outline-white { background: transparent; color: var(--white); border-color: var(--white); }
.btn-outline-white:hover { background: var(--white); color: var(--green-dark); }
.btn-full { width: 100%; justify-content: center; }

/* TOP BAR */
.top-bar { background: var(--green-dark); color: rgba(255,255,255,0.85); font-size: 0.82rem; padding: 8px 0; }
.top-bar .container { display: flex; justify-content: space-between; align-items: center; flex-wrap: nowrap; gap: 8px; min-width: 0; }
.top-bar-left { display: flex; gap: 20px; flex-wrap: nowrap; align-items: center; flex-shrink: 1; min-width: 0; }
.top-contact { display: flex; align-items: center; gap: 6px; color: rgba(255,255,255,0.85); white-space: nowrap; flex-shrink: 0; }
.top-contact:hover { color: var(--white); }
.top-contact i { color: var(--green-light); font-size: 0.75rem; }
.top-bar-left .top-contact:last-child { font-size: 0.72rem; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; max-width: 420px; }
@media (max-width: 1200px) { .top-bar-left .top-contact:last-child { display: none; } }
.top-bar-right { display: flex; align-items: center; gap: 12px; flex-shrink: 0; white-space: nowrap; }
.top-social { color: rgba(255,255,255,0.7); font-size: 0.9rem; }
.top-social:hover { color: var(--white); }
.btn-top-cta { background: var(--green-light); color: var(--white); padding: 5px 16px; border-radius: 4px; font-size: 0.82rem; font-weight: 600; }
.btn-top-cta:hover { background: var(--accent); }

/* =============================================
   多语言切换器
   ============================================= */
.lang-switcher {
    position: relative;
}
.lang-btn {
    display: flex;
    align-items: center;
    gap: 6px;
    background: rgba(255,255,255,0.12);
    border: 1px solid rgba(255,255,255,0.25);
    color: rgba(255,255,255,0.9);
    padding: 5px 12px;
    border-radius: 4px;
    font-size: 0.82rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    font-family: var(--font-main);
}
.lang-btn:hover {
    background: rgba(255,255,255,0.22);
    border-color: rgba(255,255,255,0.5);
    color: var(--white);
}
.lang-btn i { font-size: 0.75rem; }
.lang-arrow { font-size: 0.6rem !important; transition: transform 0.3s ease; }
.lang-switcher.open .lang-arrow { transform: rotate(180deg); }
.lang-dropdown {
    position: absolute;
    top: calc(100% + 8px);
    right: 0;
    background: var(--white);
    border-radius: var(--radius);
    box-shadow: var(--shadow-lg);
    min-width: 150px;
    padding: 6px 0;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-8px);
    transition: var(--transition);
    z-index: 2000;
    border-top: 3px solid var(--green-main);
}
.lang-switcher.open .lang-dropdown {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}
.lang-item {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 10px 16px;
    font-size: 0.87rem;
    color: var(--text-mid);
    font-weight: 500;
    transition: var(--transition);
}
.lang-item:hover {
    background: var(--green-pale);
    color: var(--green-main);
}
.lang-item.active {
    color: var(--green-main);
    font-weight: 700;
    background: var(--green-pale);
}
.lang-flag { font-size: 1rem; }
.lang-flag-img { width: 20px; height: 14px; object-fit: contain; margin-right: 8px; vertical-align: middle; border-radius: 2px; }
.lang-btn .lang-flag-img { width: 18px; height: 12px; margin-right: 6px; }

/* HEADER */
.header { position: sticky; top: 0; z-index: 1000; background: var(--white); box-shadow: 0 2px 16px rgba(0,0,0,0.08); transition: var(--transition); }
.header .container { display: flex; align-items: center; justify-content: space-between; height: 72px; }
.logo { display: flex; align-items: center; gap: 12px; }
.logo-icon { width: 90px; height: 90px; color: var(--green-main); flex-shrink: 0; }
.logo-icon svg, .logo-icon img { width: 100%; height: 100%; object-fit: contain; }
.logo-text { display: flex; flex-direction: column; line-height: 1.2; }
.logo-name { font-family: var(--font-head); font-size: 1.35rem; font-weight: 800; color: var(--green-dark); letter-spacing: -0.5px; }
.logo-tagline { font-size: 0.87rem; color: var(--text-light); letter-spacing: 0.5px; text-transform: uppercase; }
.logo-light .logo-name { color: var(--white); }
.logo-light .logo-tagline { color: rgba(255,255,255,0.6); }
.logo-light .logo-icon { color: var(--white); }

/* =============================================
   主导航 — 含图标下拉菜单
   ============================================= */
.main-nav ul { display: flex; align-items: center; gap: 4px; }
.main-nav > ul > li { position: relative; }
.main-nav > ul > li > a {
    display: flex;
    align-items: center;
    gap: 4px;
    padding: 8px 12px;
    border-radius: 5px;
    font-size: 0.88rem;
    font-weight: 500;
    color: var(--text-dark);
    transition: var(--transition);
}
.main-nav > ul > li > a:hover { color: var(--green-main); background: var(--green-pale); }
.nav-arrow { font-size: 0.6rem !important; transition: transform 0.3s ease; }
.has-dropdown:hover .nav-arrow { transform: rotate(180deg); }

/* 纵向下拉菜单 */
.nav-dropdown {
    position: absolute;
    top: calc(100% + 10px);
    left: 50%;
    transform: translateX(-50%) translateY(-8px);
    background: var(--white);
    border-radius: var(--radius);
    box-shadow: 0 8px 32px rgba(0,0,0,0.13);
    min-width: 0;
    padding: 0;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-12px);
    transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
    border-top: 3px solid var(--green-main);
    z-index: 1100;
    display: flex;
    flex-direction: column;
}
.has-dropdown:hover .nav-dropdown {
    opacity: 1;
    visibility: visible;
    transform: translateX(-50%) translateY(0);
}
.nav-dropdown li {
    border-right: none;
    border-bottom: 1px solid var(--border);
}
.nav-dropdown li:last-child {
    border-bottom: none;
}
.nav-dropdown li a {
    display: flex;
    align-items: center;
    gap: 14px;
    padding: 12px 14px;
    border-radius: var(--radius);
    font-size: 0.87rem;
    color: var(--text-mid);
    transition: var(--transition);
}
.nav-dropdown-horizontal li a {
    padding: 13px 22px;
    border-radius: 0;
    font-size: 0.88rem;
    font-weight: 500;
    color: var(--text-dark);
    white-space: nowrap;
    letter-spacing: 0.01em;
}
.nav-dropdown-horizontal li:first-child a {
    border-radius: 0 0 0 var(--radius);
}
.nav-dropdown-horizontal li:last-child a {
    border-radius: 0 0 var(--radius) 0;
}
.nav-dropdown li a:hover,
.nav-dropdown li a.active {
    background: var(--green-pale);
    color: var(--green-main);
}
.nav-dropdown-horizontal li a:hover,
.nav-dropdown-horizontal li a.active {
    background: var(--green-main);
    color: var(--white);
}
.nav-dropdown li a > i {
    width: 36px;
    height: 36px;
    border-radius: 8px;
    background: var(--green-pale);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--green-main);
    font-size: 0.9rem;
    flex-shrink: 0;
    transition: var(--transition);
}
.nav-dropdown li a:hover > i,
.nav-dropdown li a.active > i {
    background: var(--green-main);
    color: var(--white);
}
.nav-dropdown li a > span {
    display: flex;
    flex-direction: column;
    gap: 2px;
}
.nav-dropdown li a > span strong {
    font-weight: 600;
    color: var(--text-dark);
    font-size: 0.88rem;
    display: block;
}
.nav-dropdown li a:hover > span strong,
.nav-dropdown li a.active > span strong { color: var(--green-main); }
.nav-dropdown li a > span em { font-style: normal; font-size: 0.76rem; color: var(--text-light); display: block; }

/* 横向下拉菜单居中对齐父级 */
.has-dropdown { position: relative; }
.has-dropdown > a { position: relative; }

/* 旧版 dropdown 兼容 */
.dropdown { position: absolute; top: calc(100% + 8px); left: 0; background: var(--white); border-radius: var(--radius); box-shadow: var(--shadow-lg); min-width: 220px; padding: 8px 0; opacity: 0; visibility: hidden; transform: translateY(-10px); transition: var(--transition); border-top: 3px solid var(--green-main); z-index: 1100; }
.has-dropdown:hover .dropdown { opacity: 1; visibility: visible; transform: translateY(0); }
.dropdown li a { display: block; padding: 10px 20px; font-size: 0.87rem; color: var(--text-mid); }
.dropdown li a:hover { color: var(--green-main); background: var(--green-pale); padding-left: 26px; }

.header-actions { display: flex; align-items: center; gap: 8px; }
.search-btn { width: 38px; height: 38px; border-radius: 50%; display: flex; align-items: center; justify-content: center; color: var(--text-mid); font-size: 0.95rem; transition: var(--transition); }
.search-btn:hover { background: var(--green-pale); color: var(--green-main); }
.burger-btn { display: none; flex-direction: column; gap: 5px; width: 38px; height: 38px; align-items: center; justify-content: center; border-radius: 5px; transition: var(--transition); }
.burger-btn span { display: block; width: 22px; height: 2px; background: var(--text-dark); border-radius: 2px; transition: var(--transition); }
.burger-btn.active span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.burger-btn.active span:nth-child(2) { opacity: 0; }
.burger-btn.active span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* SEARCH OVERLAY */
.search-overlay { position: fixed; inset: 0; z-index: 9000; background: rgba(15,40,18,0.97); display: flex; align-items: center; justify-content: center; opacity: 0; visibility: hidden; transition: var(--transition); }
.search-overlay.active { opacity: 1; visibility: visible; }
.search-overlay-inner { width: 100%; max-width: 640px; padding: 0 24px; position: relative; }
.search-close { position: absolute; top: -60px; right: 24px; color: rgba(255,255,255,0.7); font-size: 1.4rem; }
.search-close:hover { color: var(--white); }
.search-form { display: flex; border-bottom: 2px solid rgba(255,255,255,0.3); padding-bottom: 12px; }
.search-form input { flex: 1; background: none; border: none; outline: none; color: var(--white); font-size: 1.6rem; font-family: var(--font-main); }
.search-form input::placeholder { color: rgba(255,255,255,0.4); }
.search-form button { background: none; border: none; color: rgba(255,255,255,0.7); font-size: 1.3rem; cursor: pointer; padding: 0 8px; }
.search-hints { margin-top: 20px; display: flex; gap: 10px; flex-wrap: wrap; align-items: center; }
.search-hints span { color: rgba(255,255,255,0.5); font-size: 0.85rem; }
.search-hints a { color: rgba(255,255,255,0.75); font-size: 0.85rem; padding: 4px 12px; border-radius: 50px; border: 1px solid rgba(255,255,255,0.2); }
.search-hints a:hover { background: rgba(255,255,255,0.1); color: var(--white); }

/* HERO */
.hero { position: relative; min-height: 92vh; display: flex; align-items: center; overflow: hidden; }
.hero-video-wrap { position: absolute; inset: 0; overflow: hidden; z-index: 0; }
.hero-video-wrap #hero-yt-player { position: absolute; top: 50%; left: 50%; width: 177.78vh; height: 100vh; min-width: 100%; min-height: 56.25vw; transform: translate(-50%, -50%); pointer-events: none; }
.hero-video-wrap #hero-yt-player iframe { width: 100%; height: 100%; border: none; }
.hero-video-fallback { position: absolute; inset: 0; width: 100%; height: 100%; background-size: cover; background-position: center; background-repeat: no-repeat; transition: opacity 0.5s ease; }
.hero-video-fallback.hidden { opacity: 0; pointer-events: none; }
.hero-overlay { position: absolute; inset: 0; z-index: 1; overflow: hidden; pointer-events: none; }
.hero-overlay .hero-video { position: absolute; top: 50%; left: 50%; min-width: 100%; min-height: 100%; width: auto; height: auto; transform: translate(-50%, -50%); object-fit: cover; z-index: 0; }
@media (max-width: 768px) {
    .hero-overlay .hero-video { width: 100%; height: 100%; min-width: auto; min-height: auto; }
}
.hero-overlay::after { content: ""; position: absolute; inset: 0; background: linear-gradient(105deg, rgba(15,40,18,0.85) 0%, rgba(20,60,25,0.70) 50%, rgba(0,0,0,0.35) 100%); z-index: 1; }
.hero-content { position: relative; z-index: 2; display: flex; align-items: center; justify-content: space-between; gap: 48px; padding: 80px 0 60px; }
.hero-left { flex: 1; max-width: 580px; }
.hero-badge { display: inline-flex; align-items: center; gap: 8px; background: rgba(76,175,80,0.25); color: #a5d6a7; border: 1px solid rgba(76,175,80,0.4); padding: 6px 16px; border-radius: 50px; font-size: 0.82rem; font-weight: 500; letter-spacing: 0.5px; margin-bottom: 24px; }
.hero-title { font-family: var(--font-head); font-size: clamp(2rem, 4vw, 3.2rem); font-weight: 800; color: var(--white); line-height: 1.15; margin-bottom: 20px; letter-spacing: -0.5px; }
.hero-accent { color: var(--green-light); }
.hero-desc { color: rgba(255,255,255,0.8); font-size: 1.05rem; margin-bottom: 36px; max-width: 500px; }
.hero-btns { display: flex; gap: 14px; flex-wrap: wrap; }

/* 产品分类卡片（仿microvit.ru 2×2网格） */
.hero-categories {
    display: grid;
    grid-template-columns: 1fr 1fr;
    grid-template-rows: 1fr 1fr;
    gap: 4px;
    width: 400px;
    height: 400px;
    flex-shrink: 0;
    margin-left: 120px;
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: 0 20px 60px rgba(0,0,0,0.35);
}

/* 个别卡片 */
.hcat-card {
    position: relative;
    display: flex;
    flex-direction: column;
    background: var(--white);
    overflow: hidden;
    cursor: pointer;
    text-decoration: none;
    transition: transform 0.3s ease;
}
.hcat-card:hover { transform: scale(1.03); z-index: 2; }

/* 图片区域 */
.hcat-img-wrap {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    background: #f5f8f2;
    overflow: hidden;
    position: relative;
}
.hcat-img-wrap img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.4s ease;
}
.hcat-card:hover .hcat-img-wrap img { transform: scale(1.08); }

/* 图片加载失败时的图标备用 */
.hcat-img-fallback {
    display: none;
    align-items: center;
    justify-content: center;
    width: 100%;
    height: 100%;
    font-size: 2.2rem;
    color: var(--green-main);
    background: linear-gradient(135deg, #f0f7f0 0%, #e8f5e9 100%);
}

/* 卡片底部标签 */
.hcat-label {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 9px 12px;
    background: var(--white);
    border-top: 2px solid var(--green-pale);
    transition: background 0.3s ease, border-color 0.3s ease;
}
.hcat-card:hover .hcat-label {
    background: var(--green-main);
    border-color: var(--green-main);
}
.hcat-title {
    font-size: 0.82rem;
    font-weight: 700;
    color: var(--text-dark);
    letter-spacing: 0.02em;
    transition: color 0.3s ease;
}
.hcat-card:hover .hcat-title { color: var(--white); }
.hcat-arrow {
    width: 22px;
    height: 22px;
    border-radius: 50%;
    background: var(--green-pale);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--green-main);
    font-size: 0.65rem;
    flex-shrink: 0;
    transition: background 0.3s ease, color 0.3s ease;
}
.hcat-card:hover .hcat-arrow { background: rgba(255,255,255,0.25); color: var(--white); }

/* "全部产品"深绿色卡片 — 仿 ВСЯ ПРОДУКЦИЯ 风格 */
.hcat-card--more {
    background: var(--green-dark);
    align-items: stretch;
    justify-content: stretch;
    position: relative;
}
.hcat-card--more:hover { background: #1f5a26; }
.hcat-more-inner {
    display: flex;
    flex-direction: row;
    align-items: flex-end;
    justify-content: space-between;
    width: 100%;
    height: 100%;
    padding: 16px 18px;
    gap: 8px;
}
.hcat-more-text {
    display: flex;
    flex-direction: column;
    gap: 2px;
    line-height: 1.1;
}
.hcat-more-subtitle {
    font-size: 1.2rem;
    font-weight: 500;
    color: rgba(255,255,255,0.75);
    text-transform: uppercase;
    letter-spacing: 0.08em;
    display: block;
}
.hcat-more-title {
    font-family: var(--font-head);
    font-size: 1.9rem;
    font-weight: 800;
    color: var(--white);
    text-transform: uppercase;
    letter-spacing: 0.04em;
    display: block;
    line-height: 1;
}
.hcat-more-arrow {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    border: 2px solid rgba(255,255,255,0.5);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    font-size: 0.85rem;
    flex-shrink: 0;
    transition: border-color 0.3s, background 0.3s, transform 0.3s;
    align-self: flex-end;
}
.hcat-card--more:hover .hcat-more-arrow {
    background: rgba(255,255,255,0.2);
    border-color: rgba(255,255,255,0.9);
    transform: translateX(3px);
}

/* 移动端独立卡片区块 — 默认隐藏，仅在移动端显示 */
.mobile-categories {
    display: none;
    background: var(--bg-section);
    padding: 0;
}
.mobile-categories-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3px;
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: 0 8px 32px rgba(0,0,0,0.12);
}
.mcat-card {
    position: relative;
    display: flex;
    flex-direction: column;
    background: var(--white);
    overflow: hidden;
    cursor: pointer;
    text-decoration: none;
    transition: transform 0.3s ease;
    min-height: 160px;
}
.mcat-card:hover { transform: scale(1.02); z-index: 2; }
.mcat-img-wrap {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    background: #f5f8f2;
    overflow: hidden;
    min-height: 110px;
}
.mcat-img-wrap img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.4s ease;
}
.mcat-card:hover .mcat-img-wrap img { transform: scale(1.08); }
.mcat-label {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 9px 12px;
    background: var(--white);
    border-top: 2px solid var(--green-pale);
    transition: background 0.3s ease, border-color 0.3s ease;
}
.mcat-card:hover .mcat-label {
    background: var(--green-main);
    border-color: var(--green-main);
}
.mcat-title {
    font-size: 1.3rem;
    font-weight: 700;
    color: var(--text-dark);
    letter-spacing: 0.02em;
    transition: color 0.3s ease;
}
.mcat-card:hover .mcat-title { color: var(--white); }
.mcat-arrow {
    width: 22px;
    height: 22px;
    border-radius: 50%;
    background: var(--green-pale);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--green-main);
    font-size: 0.65rem;
    flex-shrink: 0;
    transition: background 0.3s ease, color 0.3s ease;
}
.mcat-card:hover .mcat-arrow { background: rgba(255,255,255,0.25); color: var(--white); }
/* 移动端全部产品卡片 */
.mcat-card--more {
    background: var(--green-dark);
    align-items: stretch;
    justify-content: stretch;
}
.mcat-card--more:hover { background: #1f5a26; }
.mcat-more-inner {
    display: flex;
    flex-direction: row;
    align-items: flex-end;
    justify-content: space-between;
    width: 100%;
    height: 100%;
    padding: 16px 14px;
    gap: 8px;
    min-height: 160px;
}
.mcat-more-text {
    display: flex;
    flex-direction: column;
    gap: 2px;
    line-height: 1.1;
}
.mcat-more-subtitle {
    font-size: 2.3rem;
    font-weight: 500;
    color: rgba(255,255,255,0.75);
    text-transform: uppercase;
    letter-spacing: 0.08em;
    display: block;
}
.mcat-more-title {
    font-family: var(--font-head);
    font-size: 2.8rem;
    font-weight: 800;
    color: var(--white);
    text-transform: uppercase;
    letter-spacing: 0.04em;
    display: block;
    line-height: 1;
}
.mcat-more-arrow {
    width: 34px;
    height: 34px;
    border-radius: 50%;
    border: 2px solid rgba(255,255,255,0.5);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    font-size: 0.85rem;
    flex-shrink: 0;
    transition: border-color 0.3s, background 0.3s, transform 0.3s;
    align-self: flex-end;
}
.mcat-card--more:hover .mcat-more-arrow {
    background: rgba(255,255,255,0.2);
    border-color: rgba(255,255,255,0.9);
    transform: translateX(3px);
}

/* 废弃旧版卡片占位符 */
.hero-category-card {
    display: none; /* 旧版已替换，保留防止出错 */
}
.hcc-icon, .hcc-text { display: none; }

/* 旧版残留清理（已全部替换为 hcat-* 类） */
.hero-scroll { position: absolute; bottom: 32px; left: 50%; transform: translateX(-50%); width: 44px; height: 44px; border-radius: 50%; background: rgba(255,255,255,0.15); border: 2px solid rgba(255,255,255,0.3); display: flex; align-items: center; justify-content: center; color: var(--white); font-size: 0.9rem; z-index: 2; animation: bounce 2s infinite; }
@keyframes bounce { 0%,100% { transform: translateX(-50%) translateY(0); } 50% { transform: translateX(-50%) translateY(8px); } }

/* SECTIONS */
.section-label { display: block; color: var(--green-main); font-size: 0.82rem; font-weight: 700; letter-spacing: 2px; text-transform: uppercase; margin-bottom: 12px; }
.section-label-light { color: rgba(255,255,255,0.7); font-size: 0.82rem; font-weight: 700; letter-spacing: 2px; text-transform: uppercase; display: block; margin-bottom: 12px; }
.section-header { text-align: center; margin-bottom: 48px; display: flex; flex-direction: column; align-items: center; }
.section-header h2 { font-family: var(--font-head); font-size: clamp(1.6rem, 3vw, 2.4rem); font-weight: 800; color: var(--text-dark); margin-bottom: 14px; }
.section-header p { color: var(--text-light); max-width: 600px; margin: 0 auto; font-size: 1rem; }
.section-link { display: inline-flex; align-items: center; gap: 6px; color: var(--green-main); font-weight: 600; font-size: 0.9rem; }
.section-link:hover { color: var(--green-dark); }
.text-green { color: var(--green-main); }

/* ABOUT */
.about { padding: 96px 0; background: var(--white); }
.about-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 80px; align-items: center; }
.about-text h2 { font-family: var(--font-head); font-size: clamp(1.6rem, 2.5vw, 2.4rem); font-weight: 800; margin-bottom: 20px; line-height: 1.25; }
.about-text p { color: var(--text-mid); margin-bottom: 16px; font-size: 0.97rem; }
.about-text .btn { margin-top: 12px; }
.about-stats { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; }
.stat-item { background: var(--bg-light); border-radius: var(--radius-lg); padding: 28px 24px; border: 1px solid var(--border); transition: var(--transition); text-align: center; }
.stat-item:hover { border-color: var(--green-light); box-shadow: var(--shadow); transform: translateY(-4px); }
.stat-number { font-family: var(--font-head); font-size: 2.6rem; font-weight: 800; color: var(--green-main); line-height: 1; margin-bottom: 6px; }
.stat-label { font-weight: 700; color: var(--text-dark); font-size: 0.9rem; margin-bottom: 4px; }
.stat-sub { color: var(--text-light); font-size: 0.78rem; }

/* ADVANTAGES */
.advantages { padding: 80px 0; background: var(--bg-section); }
.advantages-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
.advantage-item { background: var(--white); border-radius: var(--radius-lg); padding: 36px 28px; text-align: center; border: 1px solid var(--border); transition: var(--transition); opacity: 0; transform: translateY(30px); }
.advantage-item.visible { opacity: 1; transform: translateY(0); }
.advantage-item:hover { border-color: var(--green-light); box-shadow: var(--shadow); transform: translateY(-6px); }
.adv-icon { width: 70px; height: 70px; border-radius: 50%; background: var(--green-pale); display: flex; align-items: center; justify-content: center; margin: 0 auto 20px; color: var(--green-main); font-size: 1.6rem; transition: var(--transition); }
.advantage-item:hover .adv-icon { background: var(--green-main); color: var(--white); }
.advantage-item h3 { font-family: var(--font-head); font-size: 1rem; font-weight: 700; margin-bottom: 12px; color: var(--text-dark); }
.advantage-item p { color: var(--text-light); font-size: 0.88rem; line-height: 1.6; }

/* PRODUCTS */
.products { padding: 96px 0; background: linear-gradient(180deg, #f8fdf6 100%, #ffffff 0%); }
.tabs-nav { display: flex; gap: 16px; flex-wrap: wrap; margin-bottom: 40px; background: var(--bg-section); padding: 12px; border-radius: var(--radius-lg); justify-content: center; }
.tab-btn { display: flex; align-items: center; gap: 8px; padding: 14px 28px; border-radius: var(--radius); font-size: 1rem; font-weight: 600; color: var(--text-mid); transition: var(--transition); }
.tab-btn:hover { color: var(--green-main); background: rgba(76,175,80,0.1); }
.tab-btn.active { background: var(--green-main); color: var(--white); box-shadow: 0 4px 12px rgba(45,122,53,0.3); }
.tab-logo { display: flex; align-items: center; gap: 8px; padding: 14px 28px; border-radius: var(--radius); color: var(--text-mid); font-size: 1rem; font-weight: 600; transition: var(--transition); text-decoration: none; }
.tab-logo:hover { color: var(--green-main); background: rgba(76,175,80,0.1); }
.tab-content { display: none; animation: fadeIn 0.4s ease; }
.tab-content.active { display: block; }
@keyframes fadeIn { from { opacity: 0; transform: translateY(10px); } to { opacity: 1; transform: translateY(0); } }
.products-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
.product-card { background: var(--white); border-radius: var(--radius-lg); border: 1px solid var(--border); overflow: hidden; transition: var(--transition); display: flex; flex-direction: column; cursor: pointer; }
.product-card:hover { box-shadow: var(--shadow-lg); transform: translateY(-6px); border-color: var(--green-light); }
.product-img { position: relative; height: 200px; overflow: hidden; background: var(--bg-section); }
.product-img img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.5s ease; }
.product-card:hover .product-img img { transform: scale(1.08); }
.product-badge { position: absolute; top: 12px; left: 12px; padding: 4px 12px; border-radius: 50px; font-size: 0.72rem; font-weight: 700; letter-spacing: 0.5px; }
.badge-hit { background: var(--accent); color: var(--white); }
.badge-new { background: #2196f3; color: var(--white); }
.badge-eco { background: var(--green-main); color: var(--white); }
.product-body { padding: 20px; flex: 1; display: flex; flex-direction: column; }
.product-cat { font-size: 0.72rem; font-weight: 700; color: var(--green-main); text-transform: uppercase; letter-spacing: 1px; margin-bottom: 8px; display: block; }
.product-body h4 { font-family: var(--font-head); font-size: 1rem; font-weight: 700; margin-bottom: 10px; color: var(--text-dark); }
.product-body p { color: var(--text-light); font-size: 0.85rem; line-height: 1.55; flex: 1; margin-bottom: 16px; }
.product-link { display: inline-flex; align-items: center; gap: 6px; color: var(--green-main); font-weight: 600; font-size: 0.85rem; margin-top: auto; pointer-events: none; }
.product-link:hover { color: var(--green-dark); gap: 10px; }
.products-cta { text-align: center; margin-top: 40px; }

/* =============================================
   工厂展示区域（替换原合作伙伴）
   ============================================= */
.factory-showcase {
    position: relative;
    padding: 100px 0;
    overflow: hidden;
    background: var(--green-dark);
}
.factory-showcase::before {
    content: '';
    position: absolute;
    inset: 0;
    background: url('../images/factory.jpg') center/cover no-repeat;
    opacity: 0.15;
    z-index: 0;
}
.factory-showcase-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(15,40,18,0.97) 0%, rgba(26,74,31,0.88) 55%, rgba(20,60,25,0.75) 100%);
    z-index: 1;
}
.factory-showcase-content {
    position: relative;
    z-index: 2;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 72px;
    align-items: center;
}
.factory-showcase-left h2 {
    font-family: var(--font-head);
    font-size: clamp(1.8rem, 3vw, 2.6rem);
    font-weight: 800;
    color: var(--white);
    margin-bottom: 20px;
    line-height: 1.2;
}
.factory-showcase-left p {
    color: rgba(255,255,255,0.78);
    font-size: 1rem;
    margin-bottom: 36px;
    line-height: 1.7;
}
.factory-stats {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
    margin-bottom: 36px;
}
.fstat {
    display: flex;
    align-items: center;
    gap: 14px;
    background: rgba(255,255,255,0.07);
    border: 1px solid rgba(255,255,255,0.12);
    border-radius: var(--radius);
    padding: 16px 18px;
    transition: var(--transition);
}
.fstat:hover {
    background: rgba(76,175,80,0.15);
    border-color: rgba(76,175,80,0.4);
}
.fstat-icon {
    width: 42px;
    height: 42px;
    border-radius: 50%;
    background: rgba(76,175,80,0.2);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--green-light);
    font-size: 1rem;
    flex-shrink: 0;
}
.fstat-info { display: flex; flex-direction: column; gap: 2px; }
.fstat-info strong {
    font-family: var(--font-head);
    font-size: 1.2rem;
    font-weight: 800;
    color: var(--white);
    line-height: 1;
}
.fstat-info span {
    font-size: 0.78rem;
    color: rgba(255,255,255,0.6);
}
.factory-btns { display: flex; gap: 14px; flex-wrap: wrap; }

/* 工厂图片画廊 */
.factory-showcase-gallery {
    display: flex;
    flex-direction: column;
    gap: 12px;
}
.fgallery-main {
    position: relative;
    border-radius: var(--radius-lg);
    overflow: hidden;
    height: 300px;
    border: 2px solid rgba(255,255,255,0.1);
}
.fgallery-main img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}
.fgallery-main:hover img { transform: scale(1.04); }
.fgallery-badge {
    position: absolute;
    bottom: 14px;
    left: 14px;
    background: rgba(226, 248, 229, 0.85);
    backdrop-filter: blur(6px);
    color: var(--green-light);
    padding: 6px 14px;
    border-radius: 50px;
    font-size: 0.78rem;
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 6px;
    border: 1px solid rgba(76,175,80,0.3);
}
.fgallery-thumbs {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 10px;
}
.fgallery-thumb {
    position: relative;
    border-radius: var(--radius);
    overflow: hidden;
    height: 100px;
    cursor: pointer;
    border: 2px solid rgba(255,255,255,0.08);
    transition: var(--transition);
}
.fgallery-thumb:hover { border-color: var(--green-light); }
.fgallery-thumb img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.4s ease;
}
.fgallery-thumb:hover img { transform: scale(1.08); }
.fgallery-thumb span {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    background: linear-gradient(transparent, rgba(0,0,0,0.7));
    color: var(--white);
    font-size: 0.72rem;
    font-weight: 600;
    padding: 16px 8px 6px;
    text-align: center;
}

/* SERVICES */
.services { padding: 96px 0; background: var(--white); }
.services .section-header { flex-direction: row; justify-content: space-between; align-items: flex-end; text-align: left; margin-bottom: 48px; flex-wrap: wrap; gap: 16px; }
.services .section-header > div { display: flex; flex-direction: column; }
.services-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
.service-card { border-radius: var(--radius-lg); overflow: hidden; border: 1px solid var(--border); transition: var(--transition); }
.service-card:hover { box-shadow: var(--shadow-lg); transform: translateY(-6px); }
.service-img { position: relative; height: 200px; overflow: hidden; }
.service-img img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.5s ease; }
.service-card:hover .service-img img { transform: scale(1.08); }
.service-overlay { position: absolute; inset: 0; background: rgba(26,74,31,0.6); display: flex; align-items: center; justify-content: center; color: var(--white); font-size: 2rem; opacity: 0; transition: var(--transition); }
.service-card:hover .service-overlay { opacity: 1; }
.service-body { padding: 24px; background: var(--white); }
.service-body h3 { font-family: var(--font-head); font-size: 1rem; font-weight: 700; margin-bottom: 10px; }
.service-body p { color: var(--text-light); font-size: 0.85rem; margin-bottom: 16px; }
.service-link { display: inline-flex; align-items: center; gap: 6px; color: var(--green-main); font-weight: 600; font-size: 0.85rem; }
.service-link:hover { gap: 10px; }

/* NEWS */
.news { padding: 96px 0; background: var(--bg-section); }
.news .section-header { flex-direction: row; justify-content: space-between; align-items: center; text-align: left; flex-wrap: wrap; gap: 16px; }
.news-grid { display: grid; grid-template-columns: 1.6fr 1fr; gap: 24px; }
.news-right { display: flex; flex-direction: column; gap: 24px; }
.news-card { background: var(--white); border-radius: var(--radius-lg); overflow: hidden; border: 1px solid var(--border); transition: var(--transition); }
.news-card:hover { box-shadow: var(--shadow-lg); transform: translateY(-4px); }
.news-img { position: relative; overflow: hidden; }
.news-img img { width: 100%; object-fit: cover; transition: transform 0.5s ease; }
.news-img:not(.small) img { height: 280px; }
.news-img.small img { height: 160px; }
.news-card:hover .news-img img { transform: scale(1.06); }
.news-cat { position: absolute; top: 14px; left: 14px; background: var(--green-main); color: var(--white); padding: 4px 12px; border-radius: 50px; font-size: 0.72rem; font-weight: 700; }
.news-body { padding: 24px; }
.news-date { color: var(--text-light); font-size: 0.8rem; display: flex; align-items: center; gap: 6px; margin-bottom: 10px; }
.news-body h3 { font-family: var(--font-head); font-size: 1.05rem; font-weight: 700; margin-bottom: 10px; line-height: 1.35; }
.news-body p { color: var(--text-light); font-size: 0.88rem; margin-bottom: 16px; }
.news-link { display: inline-flex; align-items: center; gap: 6px; color: var(--green-main); font-weight: 600; font-size: 0.85rem; }
.news-link:hover { gap: 10px; }

/* CONTACT */
.contact { padding: 96px 0; background: var(--white); }
.contact-grid { display: grid; grid-template-columns: 1fr 1.4fr; gap: 72px; align-items: start; }
.contact-info h2 { font-family: var(--font-head); font-size: clamp(1.6rem, 2.5vw, 2.2rem); font-weight: 800; margin-bottom: 16px; }
.contact-info > p { color: var(--text-mid); margin-bottom: 32px; }
.contact-item { display: flex; align-items: flex-start; gap: 16px; margin-bottom: 24px; }
.contact-icon { width: 44px; height: 44px; border-radius: 50%; background: var(--green-pale); display: flex; align-items: center; justify-content: center; color: var(--green-main); font-size: 1rem; flex-shrink: 0; }
.contact-item > div { display: flex; flex-direction: column; gap: 4px; }
.contact-item strong { font-size: 0.8rem; text-transform: uppercase; letter-spacing: 1px; color: var(--text-light); }
.contact-item a, .contact-item span { color: var(--text-dark); font-size: 0.92rem; }
.contact-item a:hover { color: var(--green-main); }
.contact-socials { display: flex; gap: 12px; margin-top: 28px; }
.csocial { width: 40px; height: 40px; border-radius: 50%; background: var(--bg-section); display: flex; align-items: center; justify-content: center; color: var(--text-mid); font-size: 1rem; transition: var(--transition); }
.csocial:hover { background: var(--green-main); color: var(--white); }
.contact-form-wrap { background: var(--bg-light); border-radius: var(--radius-lg); padding: 40px; border: 1px solid var(--border); }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.form-group { margin-bottom: 16px; }
.form-group input, .form-group select, .form-group textarea { width: 100%; padding: 13px 16px; border: 1.5px solid var(--border); border-radius: var(--radius); font-size: 0.9rem; color: var(--text-dark); background: var(--white); transition: var(--transition); outline: none; font-family: var(--font-main); }
.form-group input:focus, .form-group select:focus, .form-group textarea:focus { border-color: var(--green-main); box-shadow: 0 0 0 3px rgba(76,175,80,0.15); }
.form-group select { 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 d='M1 1l5 5 5-5' stroke='%23777' stroke-width='1.5' fill='none' stroke-linecap='round'/%3E%3C/svg%3E"); background-repeat: no-repeat; background-position: right 14px center; padding-right: 36px; }
.form-group textarea { resize: vertical; min-height: 110px; }
.form-check { display: flex; align-items: flex-start; gap: 10px; margin-bottom: 20px; }
.form-check input { width: 18px; height: 18px; margin-top: 2px; accent-color: var(--green-main); flex-shrink: 0; }
.form-check label { font-size: 0.85rem; color: var(--text-mid); }
.form-check label a { color: var(--green-main); text-decoration: underline; }

/* FOOTER */
.footer { background: var(--green-dark); color: rgba(255,255,255,0.75); padding: 72px 0 0; }
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1fr 1.4fr; gap: 40px; margin-bottom: 48px; }
.footer-brand p { font-size: 0.88rem; margin-top: 16px; line-height: 1.65; max-width: 280px; }
.footer-socials { display: flex; gap: 10px; margin-top: 20px; }
.footer-socials a { width: 36px; height: 36px; border-radius: 50%; background: rgba(255,255,255,0.1); display: flex; align-items: center; justify-content: center; color: rgba(255,255,255,0.7); font-size: 0.9rem; transition: var(--transition); }
.footer-socials a:hover { background: var(--green-main); color: var(--white); }
.footer-col h4 { color: var(--white); font-family: var(--font-head); font-size: 0.9rem; font-weight: 700; margin-bottom: 20px; letter-spacing: 0.5px; }
.footer-col ul li { margin-bottom: 10px; }
.footer-col ul li a { color: rgba(255,255,255,0.65); font-size: 0.87rem; }
.footer-col ul li a:hover { color: var(--green-light); padding-left: 4px; }
.footer-contacts p { display: flex; align-items: flex-start; gap: 10px; font-size: 0.87rem; margin-bottom: 12px; }
.footer-contacts i { color: var(--green-light); margin-top: 3px; flex-shrink: 0; }
.footer-contacts a { color: rgba(255,255,255,0.75); }
.footer-contacts a:hover { color: var(--white); }
.btn-newsletter { display: inline-block; margin-top: 16px; padding: 10px 20px; border-radius: 6px; background: rgba(76,175,80,0.2); border: 1px solid rgba(76,175,80,0.4); color: var(--green-light); font-size: 0.82rem; font-weight: 600; transition: var(--transition); }
.btn-newsletter:hover { background: var(--green-main); color: var(--white); border-color: var(--green-main); }
.footer-bottom { border-top: 1px solid rgba(255,255,255,0.1); padding: 20px 0; }
.footer-bottom-inner { display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 12px; }
.footer-bottom p { font-size: 0.82rem; color: rgba(255,255,255,0.5); }
.footer-bottom-links { display: flex; gap: 20px; }
.footer-bottom-links a { font-size: 0.82rem; color: rgba(255,255,255,0.5); }
.footer-bottom-links a:hover { color: var(--green-light); }

/* BACK TO TOP */
.back-to-top { position: fixed; bottom: 28px; right: 28px; z-index: 9999; width: 46px; height: 46px; border-radius: 50%; background: var(--green-main); color: var(--white); display: flex; align-items: center; justify-content: center; font-size: 0.9rem; box-shadow: 0 4px 16px rgba(45,122,53,0.4); opacity: 0; visibility: hidden; transform: translateY(16px); transition: var(--transition); }
.back-to-top.visible { opacity: 1; visibility: visible; transform: translateY(0); }
.back-to-top:hover { background: var(--green-dark); transform: translateY(-3px); }

/* MODAL */
.modal-overlay { position: fixed; inset: 0; z-index: 9999; background: rgba(0,0,0,0.6); backdrop-filter: blur(4px); display: flex; align-items: center; justify-content: center; opacity: 0; visibility: hidden; transition: var(--transition); }
.modal-overlay.active { opacity: 1; visibility: visible; }
.modal { background: var(--white); border-radius: var(--radius-lg); padding: 48px 40px; max-width: 440px; width: 90%; text-align: center; position: relative; transform: scale(0.9); transition: var(--transition); }
.modal-overlay.active .modal { transform: scale(1); }
.modal-close { position: absolute; top: 16px; right: 16px; color: var(--text-light); font-size: 1rem; }
.modal-close:hover { color: var(--text-dark); }
.modal-icon { font-size: 3.5rem; color: var(--green-main); margin-bottom: 20px; }
.modal h3 { font-family: var(--font-head); font-size: 1.4rem; font-weight: 800; margin-bottom: 12px; }
.modal p { color: var(--text-mid); margin-bottom: 28px; }

/* ANIMATIONS */
.fade-in { opacity: 0; transform: translateY(30px); transition: opacity 0.6s ease, transform 0.6s ease; }
.fade-in.visible { opacity: 1; transform: translateY(0); }
.mobile-overlay { display: none; position: fixed; inset: 0; background: rgba(0,0,0,0.5); z-index: 998; }
.mobile-overlay.active { display: block; }

/* =============================================
   RESPONSIVE
   ============================================= */
@media (max-width: 1100px) {
    .advantages-grid, .services-grid { grid-template-columns: repeat(2, 1fr); }
    .products-grid { grid-template-columns: repeat(2, 1fr); }
    .footer-grid { grid-template-columns: 1fr 1fr 1fr; }
    .footer-brand { grid-column: 1 / -1; }
    .factory-showcase-content { grid-template-columns: 1fr; gap: 48px; }
    .factory-showcase-gallery { max-width: 600px; margin: 0 auto; }
}
@media (max-width: 900px) {
    .about-grid, .contact-grid { grid-template-columns: 1fr; gap: 48px; }
    .news-grid { grid-template-columns: 1fr; }
    .hero-content { flex-direction: column; align-items: center; }
    .hero-categories { width: 100%; max-width: 560px; height: 340px; }
    .factory-stats { grid-template-columns: 1fr 1fr; }
    /* 900px 以下将 hero 中的卡片缩小显示 */
    .hero-categories { margin-left: 0; }
}
@media (max-width: 768px) {
    .top-bar-left { display: none; }
    .main-nav {
        position: fixed;
        top: 0;
        right: -100%;
        width: 85%;
        max-width: 340px;
        height: 100vh;
        background: var(--white);
        z-index: 999;
        padding: 80px 20px 40px;
        box-shadow: var(--shadow-lg);
        transition: right 0.35s ease;
        overflow-y: auto;
    }
    .main-nav.open { right: 0; }
    .main-nav ul { flex-direction: column; gap: 0; }
    .main-nav > ul > li > a { padding: 14px 0; border-bottom: 1px solid var(--border); border-radius: 0; font-size: 1rem; }
    .nav-dropdown {
        position: static;
        opacity: 1;
        visibility: visible;
        transform: none;
        box-shadow: none;
        border: none;
        border-top: none;
        border-left: 3px solid var(--green-pale);
        padding: 4px 0 4px 12px;
        margin: 4px 0 8px;
        display: none;
        border-radius: 0;
        min-width: unset;
    }
    .has-dropdown.open .nav-dropdown { display: flex; flex-wrap: wrap; }
    .nav-dropdown-horizontal { flex-direction: column; border-top: 2px solid var(--green-main); }
    .nav-dropdown-horizontal li { border-right: none; border-bottom: 1px solid var(--border); }
    .nav-dropdown-horizontal li:last-child { border-bottom: none; }
    .nav-dropdown-horizontal li a,
    .nav-dropdown-horizontal li:first-child a,
    .nav-dropdown-horizontal li:last-child a { padding: 10px 12px; border-radius: 0; font-size: 0.87rem; }
    .nav-dropdown li a { padding: 10px 8px; border-radius: var(--radius); }
    .nav-dropdown li a > i { width: 30px; height: 30px; font-size: 0.8rem; }
    .nav-dropdown li a > span strong { font-size: 0.85rem; }
    .nav-dropdown li a > span em { display: none; }
    .burger-btn { display: flex; }
    .advantages-grid { grid-template-columns: 1fr 1fr; }
    .products-grid { grid-template-columns: 1fr; }
    .footer-grid { grid-template-columns: 1fr 1fr; }
    .form-row { grid-template-columns: 1fr; }
    .tabs-nav {
        gap: 6px;
        flex-wrap: nowrap;
        overflow-x: auto;
        overflow-y: hidden;
        justify-content: flex-start;
        scroll-snap-type: x mandatory;
        -webkit-overflow-scrolling: touch;
        padding: 8px 10px;
        scrollbar-width: none;
        -ms-overflow-style: none;
    }
    .tabs-nav::-webkit-scrollbar { display: none; }
    .tab-btn {
        padding: 10px 14px;
        font-size: 0.85rem;
        white-space: nowrap;
        flex-shrink: 0;
        scroll-snap-align: start;
    }
    .hero { min-height: 80vh; }
    /* 移动端隐藏 hero 中的卡片，改用独立区块 */
    .hero-categories { display: none; }
    /* 显示移动端独立卡片区块 */
    .mobile-categories {
        display: block;
        padding: 16px 0 24px;
    }
    .factory-stats { grid-template-columns: 1fr; }
    .fgallery-thumbs { grid-template-columns: repeat(3, 1fr); }
    .lang-dropdown { right: auto; left: 0; }
}
@media (max-width: 480px) {
    .advantages-grid { grid-template-columns: 1fr; }
    .services-grid { grid-template-columns: 1fr; }
    .footer-grid { grid-template-columns: 1fr 1fr; gap: 28px 16px; }
    .about-stats { grid-template-columns: 1fr 1fr; }
    /* 480px 下移动端卡片区块小屏调整 */
    .mobile-categories { padding: 12px 0 20px; }
    .mcat-card { min-height: 140px; }
    .mcat-img-wrap { min-height: 90px; }
    .mcat-more-inner { min-height: 140px; padding: 14px 12px; }
    .mcat-more-title { font-size: 1rem; }
    .hcat-more-title { font-size: 1.9rem; }
    .hcat-more-subtitle { font-size: 2.8rem; }
    .contact-form-wrap { padding: 24px; }
    .fgallery-thumbs { grid-template-columns: repeat(3, 1fr); }
    .lang-btn span { display: none; }
}