/* ============================================================
 * 九州微电 · 公共骨架（全白高端风）
 * ============================================================ */

/* ============================================================
 * 1. 主导航（白色 / 全屏贴顶 / 集成联系方式·语言·搜索）
 * ============================================================ */
.main-nav {
    position: fixed;
    inset: 0 0 auto 0;
    z-index: var(--z-header);
    --nav-current-h: var(--nav-h);
    height: var(--nav-h);
    background: rgba(255, 255, 255, .92);
    backdrop-filter: saturate(180%) blur(18px);
    -webkit-backdrop-filter: saturate(180%) blur(18px);
    border-bottom: 1px solid rgba(14, 17, 22, .06);
    transition: height var(--transition-base),
                background var(--transition-base),
                box-shadow var(--transition-base);
}
.main-nav.is-shrink {
    --nav-current-h: var(--nav-h-shrink);
    height: var(--nav-h-shrink);
    background: rgba(255, 255, 255, .98);
    box-shadow: 0 6px 24px rgba(14, 17, 22, .06);
}

.nav-container {
    width: 100%;
    max-width: var(--container-wide);
    height: 100%;
    margin: 0 auto;
    padding: 0 var(--container-pad);
    display: flex;
    align-items: center;
    gap: var(--sp-8);
}

/* --- Logo（矩形） --- */
.logo {
    flex: 0 0 auto;
    display: flex;
    align-items: center;
}
.logo a { display: flex; align-items: center; }
.logo img {
    height: 52px;
    width: auto;
    max-width: 280px;
    object-fit: contain;
    transition: height var(--transition-base);
}
.main-nav.is-shrink .logo img { height: 42px; }

/* --- 主菜单 --- */
.nav-content.pc {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    height: 100%;
}
.main-menu {
    display: flex;
    align-items: center;
    gap: var(--sp-1);
    height: 100%;
}
.main-menu > li {
    position: relative;
    display: flex;
    align-items: center;
    height: 100%;
}
.main-menu > li > a {
    position: relative;
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 12px 18px;
    font-size: var(--fs-15);
    font-weight: 400;
    color: var(--jz-ink);
    letter-spacing: .01em;
    transition: color var(--transition-base);
}
.main-menu > li > a i.fa-angle-down {
    font-size: 10px;
    margin-top: 1px;
    transition: transform var(--transition-base);
}
.main-menu > li:hover > a i.fa-angle-down,
.main-menu > li.active > a i.fa-angle-down { transform: rotate(180deg); }

.main-menu > li > a::after {
    content: "";
    position: absolute;
    left: 18px;
    right: 18px;
    bottom: -6px;
    height: 2px;
    background: var(--jz-red);
    transform: scaleX(0);
    transform-origin: center;
    transition: transform var(--transition-base);
}
.main-menu > li:hover > a,
.main-menu > li.current > a,
.main-menu > li.active > a { color: var(--jz-red); }
.main-menu > li:hover > a::after,
.main-menu > li.current > a::after,
.main-menu > li.active > a::after { transform: scaleX(1); }

/* ============================================================
 * 二级下拉菜单（submenu）· 极简版
 * - 修复悬停断档：UL 紧贴 trigger，顶部 padding 作为不可见桥接
 * - 宽度自适应：无固定 min-width，按内容撑开
 * - 极简：仅保留标题和描述，hover 仅标题变红
 * ============================================================ */
.main-menu > li > ul.submenu,
.main-menu > li > ul {
    position: absolute;
    top: 100%;                     /* 紧贴 trigger，消除悬停断档 */
    left: 50%;
    transform: translate(-50%, 4px);
    width: max-content;            /* 宽度自适应内容 */
    min-width: 180px;
    max-width: 360px;
    padding: 6px 0 0;              /* 顶部留少量悬停桥接区 */
    margin: 0;
    background: transparent;
    border: none;
    box-shadow: none;
    list-style: none;
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
    transition: opacity var(--transition-base),
                visibility var(--transition-base),
                transform var(--transition-base);
    z-index: 1;
}
/* 可见卡片（伪元素） */
.main-menu > li > ul.submenu::after,
.main-menu > li > ul::after {
    content: "";
    position: absolute;
    top: 6px;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--jz-white);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    box-shadow: 0 12px 32px rgba(14, 17, 22, .08);
    z-index: -1;
}

.main-menu > li:hover > ul,
.main-menu > li.active > ul {
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
    transform: translate(-50%, 0);
}

/* 菜单项 */
.main-menu > li > ul > li,
.submenu__item {
    position: relative;
    margin: 0;
    list-style: none;
}

/* 菜单项链接：两行结构（标题 + 可选描述） */
.submenu__link,
.main-menu > li > ul > li > a {
    display: flex;
    flex-direction: column;
    gap: 2px;
    padding: 10px 18px;
    color: var(--jz-ink);
    text-decoration: none;
    white-space: nowrap;
    transition: color var(--transition-base);
}

.submenu__title {
    font-size: 14px;
    font-weight: 400;
    line-height: 1.4;
    color: var(--jz-ink);
    transition: color var(--transition-base);
}
.submenu__desc {
    font-size: 11.5px;
    color: var(--jz-gray-500);
    line-height: 1.4;
    overflow: hidden;
    text-overflow: ellipsis;
}

/* hover / active：仅标题变红 */
.submenu__item:hover .submenu__title,
.submenu__item.is-active .submenu__title,
.main-menu > li > ul > li > a:hover,
.main-menu > li > ul > li > a.active {
    color: var(--jz-red);
}

.main-menu > li > ul.product-mega-menu {
    position: fixed;
    top: var(--nav-current-h, var(--nav-h));
    left: 0;
    transform: none;
    width: 100vw;
    min-width: 100vw;
    max-width: none;
    padding: 0;
}

.main-menu > li > ul.product-mega-menu::after {
    display: none;
}

.product-mega-menu__inner {
    display: grid;
    grid-template-columns: repeat(6, minmax(0, 1fr));
    width: min(var(--container), calc(100vw - 48px));
    max-height: 65vh;
    margin: 0 auto;
    padding: 14px 32px 16px;
    overflow-y: auto;
    gap: 18px 16px;
    background: var(--jz-white);
    border: 1px solid var(--border-color);
    box-shadow: 0 18px 40px rgba(14, 17, 22, .1);
}

.product-mega-menu__search {
    display: flex;
    align-items: center;
    justify-self: end;
    gap: 8px;
    width: 260px;
    height: 32px;
    grid-column: 1 / -1;
    margin: 0 0 -2px;
    padding: 0 12px;
    background: var(--jz-gray-50);
    border: 1px solid var(--border-color);
}

.product-mega-menu__search i {
    flex: none;
    color: var(--jz-gray-500);
    font-size: 13px;
}

.product-mega-menu__search-input {
    width: 100%;
    min-width: 0;
    border: 0;
    outline: none;
    background: transparent;
    color: var(--jz-ink);
    font-size: 13px;
}

.product-mega-menu__search-input::placeholder {
    color: var(--jz-gray-500);
}

.product-mega-menu__group {
    min-width: 0;
}

.product-mega-menu__group.is-hidden {
    display: none;
}

.product-mega-menu__link.is-hidden {
    display: none;
}

.product-mega-menu__title {
    margin-bottom: 12px;
    color: var(--jz-ink);
    font-size: 15px;
    font-weight: 600;
    line-height: 1.5;
}

.product-mega-menu__children {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.product-mega-menu__link {
    color: var(--jz-gray-700);
    font-size: 13px;
    line-height: 1.5;
    text-decoration: none;
    transition: color var(--transition-base);
}

.product-mega-menu__link:hover,
.product-mega-menu__link.is-active {
    color: var(--jz-red);
}

/* --- 工具区：搜索（常驻） + 语言（中性色） --- */
.nav-tools {
    flex: 0 0 auto;
    display: flex;
    align-items: center;
    gap: var(--sp-3);
}

/* 搜索：默认展开 · 紧凑灰白风格 */
.nav-search { position: relative; }
.nav-search__trigger { display: none; }    /* 移除图标触发按钮 */

.nav-search__panel {
    position: static;
    display: flex;
    align-items: center;
    width: 240px;
    height: 36px;
    background: var(--jz-gray-100);
    border: 1px solid transparent;
    border-radius: var(--radius-pill);
    overflow: hidden;
    padding: 0 4px 0 14px;
    opacity: 1;
    visibility: visible;
    transform: none;
    transition: background var(--transition-base),
                border-color var(--transition-base),
                box-shadow var(--transition-base);
}
.nav-search__panel:focus-within {
    background: var(--jz-white);
    border-color: var(--border-color-dark);
    box-shadow: 0 2px 8px rgba(14, 17, 22, .05);
}
.nav-search__panel input {
    flex: 1;
    min-width: 0;
    height: 100%;
    border: none;
    outline: none;
    background: transparent;
    font-size: var(--fs-13);
    color: var(--jz-ink);
}
.nav-search__panel input::placeholder { color: var(--jz-gray-500); }
.nav-search__panel button {
    flex: 0 0 auto;
    width: 30px; height: 30px;
    border-radius: 50%;
    background: transparent;
    color: var(--jz-gray-700);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all var(--transition-base);
    font-size: 13px;
}
.nav-search__panel button:hover {
    background: var(--jz-gray-200);
    color: var(--jz-ink);
}
.nav-search__close { display: none; }

/* 语言（中性色，仅选中项保留品牌色） */
.nav-lang { position: relative; }
.nav-lang__trigger {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    height: 36px;
    padding: 0 12px;
    border-radius: var(--radius-pill);
    background: transparent;
    color: var(--jz-gray-900);
    font-size: var(--fs-13);
    font-weight: 400;
    letter-spacing: .04em;
    cursor: pointer;
    transition: all var(--transition-base);
}
.nav-lang__trigger:hover {
    background: var(--jz-gray-100);
    color: var(--jz-ink);
}
.nav-lang__trigger i.fa-globe { font-size: 13px; color: var(--jz-gray-700); }
.nav-lang__label {
    min-width: 20px;
    text-align: center;
    text-transform: uppercase;
    font-weight: 500;
}
.nav-lang__arrow {
    font-size: 10px;
    color: var(--jz-gray-500);
    transition: transform var(--transition-base);
}
.nav-lang.is-open .nav-lang__arrow { transform: rotate(180deg); }

.nav-lang__dropdown {
    position: absolute;
    top: calc(100% + 10px);
    right: 0;
    min-width: 160px;
    background: var(--jz-white);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    box-shadow: 0 24px 48px rgba(14, 17, 22, .12);
    padding: 6px;
    opacity: 0;
    visibility: hidden;
    transform: translateY(8px);
    transition: all var(--transition-base);
    z-index: calc(var(--z-header) + 1);
}
.nav-lang.is-open .nav-lang__dropdown {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}
.nav-lang__dropdown .language-box {
    display: flex;
    flex-direction: column;
    gap: 2px;
}
.nav-lang__dropdown .language-box a {
    display: block;
    padding: 9px 14px;
    font-size: var(--fs-13);
    color: var(--jz-gray-900);
    border-radius: var(--radius-sm);
    transition: all var(--transition-base);
}
.nav-lang__dropdown .language-box a:hover {
    background: var(--jz-gray-100);
    color: var(--jz-ink);
}
.nav-lang__dropdown .language-box a.active {
    background: var(--jz-red-soft);
    color: var(--jz-red);
    font-weight: 500;
}

/* 汉堡按钮 */
.mobile-menu-btn {
    display: none;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: 5px;
    width: 42px;
    height: 42px;
    cursor: pointer;
    margin-left: auto;
}
.mobile-menu-btn span {
    width: 22px;
    height: 2px;
    background: var(--jz-ink);
    transition: all var(--transition-base);
}

/* 移动端抽屉 */
.mobile__nav-wrapper {
    position: fixed;
    top: 0;
    right: 0;
    bottom: auto;
    left: 0;
    height: 100vh;
    background: rgba(14, 17, 22, .42);
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
    transition: opacity var(--transition-base), visibility var(--transition-base);
    z-index: calc(var(--z-header) + 10);
}
.mobile__nav-wrapper.active {
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
}
.mobile__nav-panel {
    position: relative;
    width: min(78vw, 360px);
    height: 100vh;
    margin-right: auto;
    background: var(--jz-white);
    box-shadow: 18px 0 46px rgba(14, 17, 22, .18);
    transform: translateX(-100%);
    transition: transform var(--transition-slow);
    overflow: hidden;
}
.mobile__nav-wrapper.active .mobile__nav-panel { transform: translateX(0); }
.mobile__nav-close {
    position: absolute;
    top: 18px;
    right: 18px;
    z-index: 2;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    border: 1px solid rgba(14, 17, 22, .08);
    background: var(--jz-gray-50);
    color: var(--jz-gray-700);
    cursor: pointer;
    transition: color var(--transition-base), background var(--transition-base), border-color var(--transition-base);
}
.mobile__nav-close:hover {
    border-color: var(--jz-red-soft);
    background: var(--jz-red-soft);
    color: var(--jz-red);
}
.mobile__nav-content {
    height: 100%;
    padding: 76px 20px 24px;
    overflow-y: auto;
}
.mobile__nav-content .search-box {
    position: relative;
    width: 100%;
    margin-bottom: 18px;
    padding-bottom: 18px;
    border-bottom: 1px solid var(--border-color);
}
.mobile__nav-content .search-box form {
    display: flex;
    align-items: center;
    height: 42px;
    background: var(--jz-gray-50);
    border: 1px solid rgba(14, 17, 22, .08);
}
.mobile__nav-content .search-box input {
    flex: 1;
    min-width: 0;
    height: 100%;
    padding: 0 12px 0 14px;
    border: 0;
    outline: none;
    background: transparent;
    color: var(--jz-ink);
    font-size: 14px;
}
.mobile__nav-content .search-box input::placeholder {
    color: var(--jz-gray-500);
}
.mobile__nav-content .search-box button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 42px;
    height: 100%;
    border: 0;
    border-left: 1px solid rgba(14, 17, 22, .08);
    background: transparent;
    color: var(--jz-gray-700);
    cursor: pointer;
}
.mobile__nav-content .main-menu {
    display: flex;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    width: 100%;
}
.mobile__nav-content .main-menu > li {
    display: block;
    height: auto;
    width: 100%;
    border-bottom: 1px solid rgba(14, 17, 22, .07);
}
.mobile__nav-content .main-menu > li > a {
    display: flex;
    align-items: center;
    justify-content: space-between;
    width: 100%;
    padding: 14px 2px;
    color: var(--jz-ink);
    font-size: 15px;
    font-weight: 500;
}
.mobile__nav-content .main-menu > li > a i.fa-angle-down {
    color: var(--jz-gray-500);
    font-size: 12px;
}
.mobile__nav-content .main-menu > li.active > a {
    color: var(--jz-red);
}
.mobile__nav-content .main-menu > li.active > a i.fa-angle-down {
    color: var(--jz-red);
}
.mobile__nav-content .main-menu > li > a::after { display: none; }
.mobile__nav-content .main-menu > li > ul {
    position: static;
    left: auto;
    top: auto;
    transform: none;
    width: 100%;
    min-width: 0;
    max-width: none;
    visibility: visible;
    opacity: 1;
    pointer-events: auto;
    box-shadow: none;
    border: none;
    padding: 0 0 0 12px;
    background: transparent;
    max-height: 0;
    overflow: hidden;
    transition: max-height var(--transition-slow);
}
.mobile__nav-content .main-menu > li > ul::before,
.mobile__nav-content .main-menu > li > ul::after { display: none; }
.mobile__nav-content .main-menu > li.active > ul {
    max-height: 50vh;
    overflow-y: auto;
    padding-bottom: 12px;
}
.mobile__nav-content .submenu__link,
.mobile__nav-content .main-menu > li > ul > li > a {
    padding: 9px 0;
    white-space: normal;
}
.mobile__nav-content .submenu__title {
    font-size: 14px;
}
.mobile__nav-content .product-mega-menu {
    position: static !important;
    top: auto;
    left: auto;
    width: 100%;
    min-width: 0;
    max-width: none;
    padding: 0 0 0 12px;
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
    transform: none;
}
.mobile__nav-content .product-mega-menu__inner {
    display: block;
    width: 100%;
    max-height: 0;
    padding: 0;
    overflow: hidden;
    border: 0;
    box-shadow: none;
    background: transparent;
    transition: max-height var(--transition-slow);
}
.mobile__nav-content .product-mega-menu__search {
    width: 100%;
    margin: 8px 0 12px;
}
.mobile__nav-content .main-menu > li.active .product-mega-menu__inner {
    max-height: 50vh;
    overflow-y: auto;
}
.mobile__nav-content .product-mega-menu__group {
    padding: 10px 0;
    border-top: 1px dashed var(--border-color);
}
.mobile__nav-content .product-mega-menu__title {
    margin-bottom: 8px;
    color: var(--jz-ink);
    font-size: 14px;
}
.mobile__nav-content .product-mega-menu__children {
    gap: 6px;
}
.mobile__nav-content .product-mega-menu__link {
    display: block;
    padding: 4px 0;
    white-space: normal;
}
.mobile__nav-content .product-mega-menu__group.is-hidden,
.mobile__nav-content .product-mega-menu__link.is-hidden {
    display: none;
}

.mobile__header-bottom {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--sp-4) 0;
    border-top: 1px solid var(--border-color);
    margin-top: var(--sp-3);
}
.mobile__header-bottom .contact-group { display: flex; gap: var(--sp-4); }
.mobile__header-bottom .contact-group a {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    color: var(--jz-gray-700);
    font-size: var(--fs-14);
}
.mobile__header-bottom .contact-group a i { color: var(--jz-red); }
.mobile__header-bottom .lang-group {
    display: flex;
    align-items: center;
    gap: 6px;
    color: var(--jz-gray-700);
    position: relative;
}
.mobile__header-bottom .lang-box { position: relative; cursor: pointer; padding: 4px 8px; }
.mobile__header-bottom .lang-box .dropdown {
    position: absolute;
    right: 0;
    bottom: 100%;
    background: var(--jz-white);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    min-width: 140px;
    padding: 6px;
    box-shadow: var(--shadow-md);
    opacity: 0;
    visibility: hidden;
    transform: translateY(8px);
    transition: all var(--transition-base);
}
.mobile__header-bottom .lang-box.open .dropdown {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}
.mobile__header-bottom .lang-box .dropdown a {
    display: block;
    padding: 6px 10px;
    border-radius: var(--radius-sm);
    font-size: var(--fs-14);
}
.mobile__header-bottom .lang-box .dropdown a.active,
.mobile__header-bottom .lang-box .dropdown a:hover {
    background: var(--jz-red-soft);
    color: var(--jz-red);
}

/* 主内容占位（为固定顶部预留空间；首页 Banner 可用 .no-nav-offset 去掉） */
.main-content {
    padding-top: var(--nav-h);
    min-height: 60vh;
    background: var(--jz-white);
}
.main-content.is-edge { padding-top: 0; }

/* ============================================================
 * 2. 通用页头 Page Hero（全屏大图 · 非首页使用）
 *
 * 结构：.page-hero (bg img) > .page-hero__overlay + .page-hero__inner
 * 模板：common/page_header.html（内页通用）
 * ============================================================ */
.page-hero {
    position: relative;
    min-height: clamp(220px, 38vw, 370px);
    background-color: var(--jz-black);
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    color: var(--jz-white);
    overflow: hidden;
    /* 页头紧贴 main-nav 下方；main-content 的 padding-top: nav-h 已让它从正确位置开始 */
    margin: calc(var(--nav-h) * -1) 0 0;
    padding-top: var(--nav-h);
    display: flex;
    align-items: center;
}
/* 深色叠加层：提升文字可读性 */
.page-hero__overlay {
    position: absolute;
    inset: 0;
    background:
        linear-gradient(180deg, rgba(14, 17, 22, .35) 0%, rgba(14, 17, 22, .55) 100%),
        radial-gradient(800px circle at 20% 30%, rgba(216, 0, 39, .15), transparent 60%);
    pointer-events: none;
    z-index: 1;
}
.page-hero__inner {
    position: relative;
    z-index: 2;
    width: 100%;
    padding: clamp(var(--sp-6), 4vw, var(--sp-9)) 0;
}
.page-hero .container,
.page-hero__inner .container {
    max-width: var(--container-wide);
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    gap: var(--sp-3);
}

/* 面包屑 */
.page-hero__crumb {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 8px;
    font-size: 12.5px;
    color: rgba(255, 255, 255, .7);
    margin-bottom: var(--sp-3);
}
.page-hero__crumb a {
    display: inline-flex;
    align-items: center;
    gap: 5px;
    color: rgba(255, 255, 255, .75);
    transition: color var(--transition-base);
}
.page-hero__crumb a:hover { color: var(--jz-white); }
.page-hero__crumb a:last-child {
    color: var(--jz-white);
    font-weight: 500;
    pointer-events: none;
}
.page-hero__crumb-sep {
    color: rgba(255, 255, 255, .35);
    font-size: 11px;
}
.page-hero__crumb .fa-home { color: var(--jz-red); }

/* 主标题 */
.page-hero__title {
    font-family: var(--font-display);
    font-size: clamp(20px, 3.1vw, 30px);
    font-weight: 500;
    color: var(--jz-white);
    line-height: 1.15;
    letter-spacing: -0.025em;
    margin: 0;
    max-width: 1000px;
    word-break: break-word;
    text-shadow: 0 2px 16px rgba(0, 0, 0, .25);
}
.page-hero__title::after {
    content: "";
    display: block;
    width: 52px;
    height: 3px;
    background: var(--jz-red);
    border-radius: 2px;
    margin: var(--sp-5) auto 0;
}
.page-hero__desc {
    font-size: var(--fs-15);
    color: rgba(255, 255, 255, .82);
    line-height: var(--lh-normal);
    max-width: 760px;
    margin: 0;
    word-break: break-word;
    text-shadow: 0 2px 10px rgba(0, 0, 0, .2);
}

/* 小屏降高度 */
@media (max-width: 768px) {
    .page-hero {
        min-height: 300px;
    }
    .page-hero__title::after { margin-top: var(--sp-4); }
}

/* ============================================================
 * 3. 面包屑（独立版，详情页等使用）
 * ============================================================ */
.page-crumb,
.page-breadcrumb {
    background: var(--jz-white);
    border-bottom: 1px solid var(--border-color);
}
.page-crumb .container,
.page-breadcrumb .container {
    max-width: var(--container-wide);
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 8px;
    min-height: 48px;
    padding-top: 12px;
    padding-bottom: 12px;
    font-size: 12.5px;
    color: var(--jz-gray-700);
}
.page-crumb a,
.page-breadcrumb a {
    display: inline-flex;
    align-items: center;
    gap: 5px;
    color: var(--jz-gray-700);
    transition: color var(--transition-base);
}
.page-crumb a:hover,
.page-breadcrumb a:hover { color: var(--jz-red); }
.page-crumb a:last-child,
.page-breadcrumb > .container > span:last-child { color: var(--jz-ink); font-weight: 500; }
.page-crumb__sep { color: var(--jz-gray-300); font-size: 11px; }
.page-breadcrumb .fa-angle-right { color: var(--jz-gray-300); margin: 0 4px; font-size: 11px; }
.page-breadcrumb .fa-home { color: var(--jz-red); }

/* 旧版 Page Banner 兼容（仅保留容器样式） */
.page-banner { display: none; }

/* ============================================================
 * 4. Section Title
 * ============================================================ */
.section-title {
    text-align: center;
    margin-bottom: var(--sp-9);
    position: relative;
}
.section-title.text-left { text-align: left; }
.section-title__title,
.section-title > span:first-child {
    display: block;
    font-size: var(--fs-40);
    font-weight: 700;
    font-family: var(--font-display);
    color: var(--jz-ink);
    letter-spacing: -0.01em;
    line-height: 1.2;
}
.section-title__desc {
    display: block;
    margin-top: var(--sp-3);
    font-size: var(--fs-15);
    color: var(--jz-gray-700);
    max-width: 720px;
    margin-left: auto;
    margin-right: auto;
}
.section-title::after {
    content: "";
    display: block;
    margin: var(--sp-4) auto 0;
    width: 48px;
    height: 3px;
    background: var(--jz-red);
    border-radius: var(--radius-pill);
}
.section-title.text-left::after { margin-left: 0; }

/* ============================================================
 * 5. 通用按钮
 * ============================================================ */
.btn-more {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 12px 28px;
    background: var(--jz-red);
    color: var(--jz-white);
    font-size: var(--fs-14);
    font-weight: 600;
    letter-spacing: .02em;
    border-radius: var(--radius-pill);
    transition: all var(--transition-base);
    box-shadow: 0 6px 18px rgba(216, 0, 39, .25);
}
.btn-more:hover {
    background: var(--jz-red-hover);
    color: var(--jz-white);
    transform: translateY(-2px);
    box-shadow: 0 12px 28px rgba(216, 0, 39, .35);
}
.btn-more.show { display: inline-flex; }

/* 幽灵按钮（常用于 Banner 场景） */
.btn-ghost {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 12px 28px;
    background: transparent;
    color: var(--jz-white);
    font-size: var(--fs-14);
    font-weight: 600;
    letter-spacing: .02em;
    border-radius: var(--radius-pill);
    border: 1.5px solid rgba(255, 255, 255, .4);
    transition: all var(--transition-base);
}
.btn-ghost:hover {
    background: var(--jz-white);
    color: var(--jz-ink);
    border-color: var(--jz-white);
    transform: translateY(-2px);
}

/* ============================================================
 * 6. 右侧悬浮组件（返回顶部 + 联系方式）
 * ============================================================ */
.back-to-top {
    position: fixed;
    right: 28px;
    bottom: 28px;
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background: var(--jz-red);
    color: var(--jz-white);
    display: none;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    z-index: var(--z-floating);
    box-shadow: 0 10px 26px rgba(216, 0, 39, .32);
    transition: all var(--transition-base);
}
.back-to-top:hover {
    background: var(--jz-red-hover);
    transform: translateY(-4px);
    box-shadow: 0 18px 36px rgba(216, 0, 39, .45);
}
.back-to-top i { font-size: 22px; }

.floating-contact {
    position: fixed;
    right: 28px;
    bottom: 92px;
    z-index: var(--z-floating);
    display: flex;
    flex-direction: column;
    gap: 10px;
}
.floating-contact__item {
    position: relative;
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background: var(--jz-white);
    border: 1px solid var(--border-color);
    color: var(--jz-red);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 10px 24px rgba(14, 17, 22, .08);
    transition: all var(--transition-base);
    font-size: 18px;
}
.floating-contact__item:hover {
    background: var(--jz-red);
    color: var(--jz-white);
    border-color: var(--jz-red);
    transform: translateX(-2px) translateY(-2px);
    box-shadow: 0 14px 32px rgba(216, 0, 39, .35);
}
.floating-contact__tooltip {
    position: absolute;
    right: calc(100% + 14px);
    top: 50%;
    transform: translateY(-50%) translateX(8px);
    background: var(--jz-ink);
    color: var(--jz-white);
    font-size: 12px;
    padding: 6px 12px;
    border-radius: var(--radius-sm);
    white-space: nowrap;
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-base);
}
.floating-contact__tooltip::after {
    content: "";
    position: absolute;
    left: 100%;
    top: 50%;
    transform: translateY(-50%);
    border: 5px solid transparent;
    border-left-color: var(--jz-ink);
}
.floating-contact__item:hover .floating-contact__tooltip {
    opacity: 1;
    visibility: visible;
    transform: translateY(-50%) translateX(0);
}

/* ============================================================
 * 7. 底部 Footer（白色高端风 · 清爽四列 · 无分割边框）
 * ============================================================ */
.site-footer {
    background: var(--jz-white);
    color: var(--jz-gray-700);
    border-top: 1px solid var(--border-color);
    position: relative;
}

.site-footer__main {
    padding: clamp(var(--sp-9), 6vw, var(--sp-11)) 0 var(--sp-8);
}
.site-footer__main .container {
    max-width: var(--container-wide);
}

/* ---------- 4 列主体（去底部分割线） ---------- */
.ft-grid {
    display: grid;
    grid-template-columns: 1.6fr 1fr 1fr 1fr;
    gap: clamp(var(--sp-6), 4vw, var(--sp-9));
}

/* 统一标题（对齐顶部导航字号） */
.ft-heading {
    font-size: var(--fs-15);
    font-weight: 400;
    color: var(--jz-ink);
    margin: 0 0 var(--sp-5);
    letter-spacing: .01em;
}

/* ---------- Col 1 · 品牌 / 订阅 / 关注 ---------- */
.ft-brand {
    display: flex;
    flex-direction: column;
    gap: var(--sp-4);
}
.ft-logo {
    display: inline-flex;
    align-items: center;
    align-self: flex-start;
}
.ft-logo img {
    height: 48px;
    width: auto;
    max-width: 260px;
    object-fit: contain;
}
.ft-desc {
    font-size: var(--fs-13);
    line-height: var(--lh-normal);
    color: var(--jz-gray-700);
    max-width: 420px;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
    margin: 0;
}

/* 订阅（紧凑，和关注我们并列在品牌列下方） */
.ft-subscribe {
    margin-top: var(--sp-2);
    max-width: 420px;
}
.ft-subscribe__label {
    display: block;
    font-size: 11px;
    font-weight: 600;
    letter-spacing: .14em;
    color: var(--jz-gray-500);
    text-transform: uppercase;
    margin-bottom: 10px;
}
.ft-subscribe__form {
    display: flex;
    align-items: center;
    background: var(--jz-white);
    border: 1px solid var(--border-color-dark);
    border-radius: var(--radius-pill);
    padding: 4px 4px 4px 18px;
    transition: all var(--transition-base);
}
.ft-subscribe__form:focus-within {
    border-color: var(--jz-red);
    box-shadow: 0 0 0 4px var(--jz-red-soft);
}
.ft-subscribe__form input {
    flex: 1;
    min-width: 0;
    height: 34px;
    border: none;
    outline: none;
    background: transparent;
    font-size: 13px;
    color: var(--jz-ink);
}
.ft-subscribe__form input::placeholder { color: var(--jz-gray-500); }
.ft-subscribe__form button {
    flex-shrink: 0;
    width: 34px;
    height: 34px;
    border-radius: 50%;
    background: var(--jz-red);
    color: var(--jz-white);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    font-size: 13px;
    transition: all var(--transition-base);
}
.ft-subscribe__form button:hover:not(:disabled) {
    background: var(--jz-red-hover);
    transform: translateX(2px);
}
.ft-subscribe__form button:disabled { opacity: .65; cursor: not-allowed; }

.ft-subscribe__msg,
.subscribe-message {
    display: none;
    margin-top: 8px;
    padding: 5px 10px;
    border-radius: var(--radius-sm);
    font-size: 12px;
    line-height: 1.4;
}
.ft-subscribe__msg.success,
.subscribe-message.success { color: #16a34a; background: rgba(22, 163, 74, .08); }
.ft-subscribe__msg.error,
.subscribe-message.error { color: #dc2626; background: rgba(220, 38, 38, .08); }

/* ---------- Col 2 · 联系方式 ---------- */
.ft-info {
    display: flex;
    flex-direction: column;
    gap: var(--sp-3);
}
.ft-info__item {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    font-size: var(--fs-13);
    color: var(--jz-gray-700);
    line-height: 1.6;
}
.ft-info__item > i {
    flex-shrink: 0;
    width: 16px;
    color: var(--jz-gray-500);
    font-size: 13px;
    margin-top: 4px;
    text-align: center;
}
.ft-info__text {
    min-width: 0;
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 1px;
}
.ft-info__label {
    font-size: 11px;
    color: var(--jz-gray-500);
    letter-spacing: .04em;
}
.ft-info__text a,
.ft-info__text > span:last-child {
    font-size: var(--fs-13);
    color: var(--jz-gray-700);
    font-weight: 400;
    line-height: 1.6;
    word-break: break-word;
    transition: color var(--transition-base);
}
.ft-info__text a:hover { color: var(--jz-red); }

/* ---------- Col 3 · 4 快捷入口 ---------- */
.ft-list {
    display: flex;
    flex-direction: column;
    gap: var(--sp-3);
}
.ft-list a {
    position: relative;
    display: inline-flex;
    align-items: center;
    font-size: var(--fs-13);
    color: var(--jz-gray-700);
    transition: all var(--transition-base);
    max-width: 100%;
}
.ft-list a::before {
    content: "";
    display: inline-block;
    width: 0;
    height: 1px;
    background: var(--jz-red);
    margin-right: 0;
    transition: all var(--transition-base);
}
.ft-list a:hover { color: var(--jz-red); transform: translateX(2px); }
.ft-list a:hover::before { width: 12px; margin-right: 8px; }
.ft-list a > span,
.ft-list a {
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

/* ---------- 版权条（无边框分隔 · 与主体连续） ---------- */
.site-footer__bottom {
    background: var(--jz-white);
    padding: var(--sp-5) 0 var(--sp-6);
}
.site-footer__bottom .container {
    max-width: var(--container-wide);
}
.site-footer__copyright {
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: var(--sp-3);
    font-size: 12px;
    color: var(--jz-gray-700);
    padding-top: var(--sp-5);
    /* 用"虚点线"做分隔，而非实线边框 */
    background-image: linear-gradient(
        to right,
        var(--border-color) 0%,
        var(--border-color) 40%,
        transparent 40%,
        transparent 60%,
        var(--border-color) 60%,
        var(--border-color) 100%
    );
    background-size: 100% 1px;
    background-repeat: no-repeat;
    background-position: 0 0;
}

/* 左：品牌 + 版权（统一黑灰） */
.site-footer__brand {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    flex-wrap: wrap;
    font-size: 12.5px;
    color: var(--jz-ink);
}
.site-footer__year {
    color: var(--jz-ink);
    font-weight: 600;
    font-family: var(--font-display);
    letter-spacing: 0;
}
.site-footer__name {
    font-weight: 600;
    color: var(--jz-ink);
    letter-spacing: .04em;
}
.site-footer__dot {
    display: inline-block;
    width: 3px;
    height: 3px;
    border-radius: 50%;
    background: var(--jz-gray-500);
}
.site-footer__rights {
    color: var(--jz-gray-700);
    letter-spacing: .02em;
}

/* 右：备案 */
.site-footer__meta {
    display: inline-flex;
    align-items: center;
    gap: var(--sp-4);
    font-size: 12px;
    color: var(--jz-ink);
}
.site-footer__beian { display: inline-flex; align-items: center; gap: 6px; }
.site-footer__beian a,
.site-footer__beian span {
    color: var(--jz-ink);
    font-weight: 500;
    transition: opacity var(--transition-base);
}
.site-footer__beian a:hover { opacity: .7; }

/* ---------- 响应式 ---------- */
@media (max-width: 1200px) {
    .ft-grid {
        grid-template-columns: 1fr 1fr 1fr;
    }
    .ft-col.ft-brand {
        grid-column: 1 / -1;
        display: grid;
        grid-template-columns: 1.2fr 1fr;
        gap: var(--sp-7);
        align-items: start;
    }
    .ft-col.ft-brand .ft-logo,
    .ft-col.ft-brand .ft-desc { grid-column: 1; }
    .ft-col.ft-brand .ft-subscribe {
        grid-column: 2;
        grid-row: 1 / span 2;
        margin-top: 0;
        align-self: start;
    }
}
@media (max-width: 768px) {
    .ft-grid {
        grid-template-columns: 1fr;
        gap: var(--sp-6);
    }
    .ft-col.ft-brand {
        display: flex;
        flex-direction: column;
        gap: var(--sp-4);
    }
    .ft-col.ft-brand .ft-subscribe {
        grid-column: auto;
        grid-row: auto;
        margin-top: var(--sp-2);
    }

    .site-footer__copyright {
        justify-content: center;
        text-align: center;
        flex-direction: column;
        gap: var(--sp-2);
    }
}

/* ============================================================
 * 8. 消息提示（Toast）
 * ============================================================ */
.message-toast {
    position: fixed;
    top: 50%; left: 50%;
    transform: translate(-50%, -50%);
    z-index: var(--z-toast);
    display: none;
}
.message-toast-content {
    display: flex;
    align-items: center;
    gap: var(--sp-3);
    padding: 14px 22px;
    border-radius: var(--radius-md);
    background: var(--jz-white);
    box-shadow: var(--shadow-lg);
    min-width: 260px;
    max-width: 420px;
    animation: jz-zoom-in .3s var(--ease-out);
    border: 1px solid var(--border-color);
}
.message-toast-content.success { border-left: 3px solid var(--jz-success); }
.message-toast-content.error   { border-left: 3px solid var(--jz-danger); }
.message-toast-icon { font-size: 20px; }
.message-toast-content.success .message-toast-icon { color: var(--jz-success); }
.message-toast-content.error .message-toast-icon   { color: var(--jz-danger); }
.message-toast-text { font-size: var(--fs-14); color: var(--jz-ink); }

/* ============================================================
 * 9. 预加载
 * ============================================================ */
.preloader {
    position: fixed;
    inset: 0;
    z-index: var(--z-overlay);
    background: var(--jz-white);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: opacity .6s var(--ease-out), visibility .6s;
}
.preloader.loaded { opacity: 0; visibility: hidden; }
.preloader .icon {
    width: 64px; height: 64px;
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
}
.preloader .icon .logo {
    width: 40px; height: 40px;
    border-radius: 50%;
    background: var(--jz-red);
    opacity: .9;
    animation: jz-fade-in 1.4s infinite alternate;
}
.preloader .icon .reflection {
    position: absolute;
    inset: 0;
    border-radius: 50%;
    border: 3px solid transparent;
    border-top-color: var(--jz-red);
    animation: jz-spin 1s linear infinite;
}
@keyframes jz-spin { to { transform: rotate(360deg); } }

/* ============================================================
 * 10. 分页
 * ============================================================ */
.list-pager,
.pagination {
    display: flex;
    align-items: center;
    justify-content: center;
    flex-wrap: wrap;
    gap: var(--sp-3);
    margin: var(--sp-9) 0;
}
.pagination .records {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    font-size: var(--fs-14);
    color: var(--jz-gray-700);
    margin-right: var(--sp-3);
}
.pagination .records .total { font-weight: 700; color: var(--jz-red); }
#pager {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    flex-wrap: wrap;
}
#pager a, #pager span {
    min-width: 38px;
    height: 38px;
    padding: 0 12px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border: 1px solid var(--border-color);
    background: var(--jz-white);
    font-size: var(--fs-14);
    color: var(--jz-gray-900);
    border-radius: var(--radius-sm);
    transition: all var(--transition-base);
}
#pager a:hover {
    border-color: var(--jz-red);
    color: var(--jz-red);
    transform: translateY(-1px);
}
#pager span.active,
#pager .active {
    background: var(--jz-red);
    color: var(--jz-white);
    border-color: var(--jz-red);
    box-shadow: var(--shadow-red);
}
#pager span.disabled {
    color: var(--jz-gray-300);
    cursor: not-allowed;
}

/* ============================================================
 * 11. 空状态
 * ============================================================ */
.search-nothing {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: var(--sp-4);
    padding: var(--sp-12) var(--sp-6);
    text-align: center;
}
.search-nothing .image {
    width: 140px; height: 140px;
    border-radius: 50%;
    background: var(--jz-gray-100);
    display: flex;
    align-items: center;
    justify-content: center;
}
.search-nothing .image::before {
    content: "\f119";
    font-family: "FontAwesome";
    font-size: 52px;
    color: var(--jz-gray-300);
}
.search-nothing span {
    font-size: var(--fs-16);
    color: var(--jz-gray-700);
}