/* ============================================================
   MEIXTO 独立站主样式
   主色：工业橙 #F58220 / 深炭黑 #1F2328 / 中性灰 #5A6268 / 浅灰底 #F4F6F8
   对标 xuvol.com 布局风格：卡片网格 + 编号板块标题 + 深色页脚
   ============================================================ */

:root {
    --orange: #F58220;
    --orange-dark: #E87511;
    --orange-light: #FFA457;
    --dark: #1F2328;
    --dark-2: #2A2F36;
    --dark-3: #333A42;
    --gray: #5A6268;
    --gray-light: #9AA1A8;
    --bg-light: #F4F6F8;
    --white: #FFFFFF;
    --line: #E4E8EC;
    --font-head: 'Inter', 'Poppins', 'Oswald', 'Segoe UI', -apple-system, sans-serif;
    --font-body: 'Inter', 'Segoe UI', -apple-system, 'Helvetica Neue', Arial, 'PingFang SC', 'Microsoft YaHei', sans-serif;
    --radius: 8px;
    --shadow-sm: 0 2px 8px rgba(31, 35, 40, 0.06);
    --shadow-md: 0 8px 24px rgba(31, 35, 40, 0.10);
    --shadow-lg: 0 16px 48px rgba(31, 35, 40, 0.14);
    --container: 1240px;
}

/* ---------------- 基础 ---------------- */
* { margin: 0; padding: 0; box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
    font-family: var(--font-body);
    font-size: 15px;
    line-height: 1.7;
    color: var(--dark);
    background: var(--white);
    -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; transition: color .2s; }
ul { list-style: none; }

.container { max-width: var(--container); margin: 0 auto; padding: 0 24px; }

h1, h2, h3, h4, h5 {
    font-family: var(--font-head);
    line-height: 1.25;
    font-weight: 700;
}

::selection { background: var(--orange); color: #fff; }

/* ---------------- 按钮 ---------------- */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 13px 30px;
    font-family: var(--font-head);
    font-weight: 600;
    font-size: 14px;
    letter-spacing: .6px;
    text-transform: uppercase;
    border: 2px solid transparent;
    border-radius: 4px;
    cursor: pointer;
    transition: all .25s;
    white-space: nowrap;
}

.btn--primary {
    background: var(--orange);
    color: #fff;
    border-color: var(--orange);
}
.btn--primary:hover { background: var(--orange-dark); border-color: var(--orange-dark); color: #fff; }

.btn--outline {
    background: transparent;
    color: #fff;
    border-color: rgba(255, 255, 255, .7);
}
.btn--outline:hover { background: #fff; color: var(--dark); border-color: #fff; }

.btn--dark { background: var(--dark); color: #fff; border-color: var(--dark); }
.btn--dark:hover { background: var(--dark-3); }

.btn--sm { padding: 9px 20px; font-size: 12.5px; }

/* ---------------- 头部辅助信息（标语 + 语言切换，位于"获取报价"右侧，标语在上） ---------------- */
.header__lang {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 3px;
}
.header__tagline {
    font-family: var(--font-head);
    font-size: 11.5px;
    font-weight: 600;
    letter-spacing: .4px;
    color: var(--gray);
    white-space: nowrap;
    line-height: 1.2;
}
/* 窄屏标语条（≤1100px 显示）：宽屏时标语在"获取报价"右上方，窄屏移到头部下方通栏，保证窄屏也可见 */
.header__tagbar {
    display: none;
    height: 28px;
    padding: 0 24px;
    align-items: center;
    justify-content: center;
    font-family: var(--font-head);
    font-size: 11px;
    font-weight: 600;
    letter-spacing: .5px;
    color: var(--gray);
    background: var(--bg-light);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}
.lang-switch {
    display: flex;
    align-items: center;
    gap: 9px;
    font-family: var(--font-head);
    font-size: 12.5px;
    font-weight: 600;
    white-space: nowrap;
}
.lang-switch__item { color: var(--gray); letter-spacing: .4px; }
.lang-switch__item:hover { color: var(--orange); }
.lang-switch__item.is-active { color: var(--orange); }
.lang-switch__sep { color: var(--line); font-weight: 400; }

/* ---------------- 头部导航 ---------------- */
.header {
    position: sticky;
    top: 0;
    z-index: 100;
    background: #fff;
    border-bottom: 1px solid var(--line);
    transition: box-shadow .25s;
}
.header.is-scrolled { box-shadow: var(--shadow-md); }

.header__inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 82px;
    gap: 24px;
}

.logo { display: flex; align-items: center; gap: 12px; }
.logo__mark {
    width: 46px;
    height: 46px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--orange);
    color: #fff;
    font-family: var(--font-head);
    font-size: 24px;
    font-weight: 800;
    border-radius: 6px;
    clip-path: polygon(0 0, 100% 0, 100% 100%, 20% 100%, 0 78%);
}
.logo__text { display: flex; flex-direction: column; line-height: 1.1; }
.logo__text strong {
    font-family: var(--font-head);
    font-size: 24px;
    font-weight: 800;
    letter-spacing: 1.5px;
    color: var(--dark);
}
.logo__text small {
    font-size: 10px;
    letter-spacing: 2.2px;
    color: var(--gray);
    font-weight: 600;
}
.logo__img {
    height: 46px;
    width: auto;
    max-width: 220px;
    object-fit: contain;
    display: block;
}

.nav__list { display: flex; align-items: center; gap: 4px; }
.nav__list > li { position: relative; }
.nav__list > li > a {
    display: block;
    padding: 10px 13px;
    font-family: var(--font-head);
    font-size: 13.5px;
    font-weight: 600;
    letter-spacing: .5px;
    color: var(--dark);
    position: relative;
}
.nav__list > li > a::after {
    content: '';
    position: absolute;
    left: 13px;
    right: 13px;
    bottom: 4px;
    height: 2px;
    background: var(--orange);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform .25s;
}
.nav__list > li > a:hover,
.nav__list > li > a.is-active { color: var(--orange); }
.nav__list > li > a:hover::after,
.nav__list > li > a.is-active::after { transform: scaleX(1); }

.caret {
    display: inline-block;
    width: 0;
    height: 0;
    margin-left: 5px;
    vertical-align: middle;
    border-left: 4px solid transparent;
    border-right: 4px solid transparent;
    border-top: 5px solid currentColor;
}

/* 下拉菜单 */
.nav__dropdown {
    position: absolute;
    top: 100%;
    left: 0;
    min-width: 220px;
    background: #fff;
    border: 1px solid var(--line);
    border-top: 3px solid var(--orange);
    box-shadow: var(--shadow-md);
    padding: 8px 0;
    opacity: 0;
    visibility: hidden;
    transform: translateY(8px);
    transition: all .25s;
}
.nav__item--dropdown:hover .nav__dropdown,
.nav__item--dropdown:focus-within .nav__dropdown {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}
.nav__dropdown a {
    display: block;
    padding: 9px 20px;
    font-size: 14px;
    color: var(--dark);
}
.nav__dropdown a:hover { color: var(--orange); background: var(--bg-light); }

.header__actions { display: flex; align-items: center; gap: 14px; }

/* 汉堡按钮 */
.hamburger {
    display: none;
    flex-direction: column;
    justify-content: center;
    gap: 5px;
    width: 42px;
    height: 42px;
    padding: 9px;
    background: none;
    border: 1px solid var(--line);
    border-radius: 4px;
    cursor: pointer;
}
.hamburger span {
    display: block;
    height: 2px;
    background: var(--dark);
    border-radius: 2px;
    transition: all .3s;
}
.hamburger.is-open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.hamburger.is-open span:nth-child(2) { opacity: 0; }
.hamburger.is-open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* 移动端菜单 */
.mobile-menu {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: #fff;
    border-bottom: 1px solid var(--line);
    box-shadow: var(--shadow-lg);
    padding: 12px 24px 24px;
    max-height: calc(100vh - 120px);
    overflow-y: auto;
}
.mobile-menu.is-open { display: block; }
.mobile-menu > ul > li > a {
    display: block;
    padding: 13px 0;
    font-family: var(--font-head);
    font-weight: 600;
    font-size: 15px;
    letter-spacing: .5px;
    border-bottom: 1px solid var(--line);
}
.mobile-menu__sub a {
    display: block;
    padding: 8px 0 8px 16px;
    font-size: 14px;
    color: var(--gray);
}
.mobile-menu__quote { width: 100%; margin-top: 18px; }

/* ---------------- Hero 轮播 ---------------- */
.hero { position: relative; height: 560px; overflow: hidden; background: var(--dark); }
.hero__slides { position: relative; height: 100%; }
.hero__slide {
    position: absolute;
    inset: 0;
    opacity: 0;
    transition: opacity .9s ease;
    pointer-events: none;
}
.hero__slide.is-active { opacity: 1; pointer-events: auto; }
.hero__slide img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}
.hero__overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(100deg, rgba(20, 23, 27, .88) 0%, rgba(20, 23, 27, .55) 45%, rgba(20, 23, 27, .15) 100%);
}
.hero__content {
    position: absolute;
    inset: 0;
    display: flex;
    align-items: center;
}
.hero__content .container { width: 100%; }
.hero__inner { max-width: 660px; color: #fff; }

.hero__eyebrow {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    font-size: 13px;
    letter-spacing: 3px;
    font-weight: 600;
    text-transform: uppercase;
    color: var(--orange-light);
    margin-bottom: 18px;
}
.hero__eyebrow::before {
    content: '';
    width: 40px;
    height: 2px;
    background: var(--orange);
}
.hero__title {
    font-size: 46px;
    font-weight: 800;
    letter-spacing: .5px;
    line-height: 1.15;
    margin-bottom: 20px;
}
.hero__title em { font-style: normal; color: var(--orange-light); }
.hero__subtitle { font-size: 16.5px; color: #D5DAE0; max-width: 560px; margin-bottom: 34px; }
.hero__btns { display: flex; gap: 16px; flex-wrap: wrap; }

.hero__controls { position: absolute; bottom: 30px; left: 0; right: 0; z-index: 5; }
.hero__controls .container {
    display: flex;
    align-items: center;
    justify-content: space-between;
}
.hero__dots { display: flex; gap: 10px; }
.hero__dot {
    width: 34px;
    height: 4px;
    background: rgba(255, 255, 255, .35);
    border: none;
    border-radius: 2px;
    cursor: pointer;
    transition: all .3s;
}
.hero__dot.is-active { background: var(--orange); }
.hero__arrows { display: flex; gap: 10px; }
.hero__arrow {
    width: 44px;
    height: 44px;
    background: rgba(255, 255, 255, .12);
    color: #fff;
    border: 1px solid rgba(255, 255, 255, .25);
    border-radius: 4px;
    cursor: pointer;
    font-size: 18px;
    transition: all .25s;
}
.hero__arrow:hover { background: var(--orange); border-color: var(--orange); }

/* ---------------- 板块通用 ---------------- */
.section { padding: 84px 0; }
.section--gray { background: var(--bg-light); }
.section--dark { background: var(--dark); color: #fff; }

.sec-head { margin-bottom: 48px; }
.sec-head--center { text-align: center; }
.sec-head__eyebrow {
    display: inline-flex;
    align-items: center;
    gap: 12px;
    font-family: var(--font-head);
    font-size: 13px;
    font-weight: 700;
    letter-spacing: 4px;
    text-transform: uppercase;
    color: var(--orange);
    margin-bottom: 12px;
}
.sec-head__eyebrow::before,
.sec-head--center .sec-head__eyebrow::after {
    content: '';
    width: 34px;
    height: 2px;
    background: var(--orange);
}
.sec-head__title {
    font-size: 34px;
    font-weight: 800;
    letter-spacing: .5px;
}
.sec-head__desc { margin-top: 12px; color: var(--gray); max-width: 680px; }
.sec-head--center .sec-head__desc { margin-left: auto; margin-right: auto; }
.section--dark .sec-head__desc { color: #AEB4BB; }

/* 编号标题（对标 xuvol：序号 + 标题） */
.sec-head--num { display: flex; align-items: center; justify-content: space-between; gap: 20px; border-bottom: 1px solid var(--line); padding-bottom: 22px; }
.sec-head--num__left { display: flex; align-items: center; gap: 22px; }
.sec-head__num {
    font-family: var(--font-head);
    font-size: 52px;
    font-weight: 800;
    color: transparent;
    -webkit-text-stroke: 1.5px var(--orange);
    line-height: 1;
}
.sec-head__num-title { font-size: 28px; font-weight: 800; }
.sec-head__num-sub { font-size: 13px; letter-spacing: 3px; color: var(--gray); text-transform: uppercase; margin-top: 2px; }
.sec-head__more { font-size: 14px; font-weight: 600; color: var(--gray); white-space: nowrap; }
.sec-head__more:hover { color: var(--orange); }
.sec-head__more::after { content: ' \203A'; font-size: 16px; }

/* ---------------- 价值主张 ---------------- */
.value-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px; }
.value-card {
    background: #fff;
    border: 1px solid var(--line);
    border-radius: var(--radius);
    padding: 36px 32px;
    transition: all .3s;
    position: relative;
    overflow: hidden;
}
.value-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: var(--orange);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform .3s;
}
.value-card:hover { box-shadow: var(--shadow-md); transform: translateY(-4px); }
.value-card:hover::before { transform: scaleX(1); }
.value-card__icon {
    width: 58px;
    height: 58px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(245, 130, 32, .1);
    border-radius: 6px;
    margin-bottom: 20px;
}
.value-card__icon svg { width: 30px; height: 30px; stroke: var(--orange); }
.value-card__title { font-size: 19px; margin-bottom: 10px; }
.value-card__text { color: var(--gray); font-size: 14.5px; }

/* ---------------- 产品分类卡片（首页产品中心） ---------------- */
.cat-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
.cat-card {
    position: relative;
    border-radius: var(--radius);
    overflow: hidden;
    background: var(--dark);
    aspect-ratio: 4 / 4.6;
    display: block;
}
.cat-card img { width: 100%; height: 100%; object-fit: cover; transition: transform .5s; }
.cat-card:hover img { transform: scale(1.06); }
.cat-card__overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(to top, rgba(15, 18, 21, .92) 0%, rgba(15, 18, 21, .35) 55%, rgba(15, 18, 21, .05) 100%);
}
.cat-card__body { position: absolute; left: 0; right: 0; bottom: 0; padding: 22px; color: #fff; }
.cat-card__badge {
    display: inline-block;
    font-size: 10.5px;
    font-weight: 700;
    letter-spacing: 1.5px;
    text-transform: uppercase;
    background: var(--orange);
    color: #fff;
    padding: 3px 10px;
    border-radius: 3px;
    margin-bottom: 10px;
}
.cat-card__badge--high { background: #D23F31; }
.cat-card__badge--project { background: #2E7DD1; }
.cat-card__badge--new { background: #2FA65F; }
.cat-card__name { font-size: 20px; font-weight: 700; margin-bottom: 6px; }
.cat-card__more { font-size: 13px; color: var(--orange-light); font-weight: 600; }
.cat-card:hover .cat-card__more { text-decoration: underline; }

/* ---------------- 产品卡片 ---------------- */
.product-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
.product-card {
    background: #fff;
    border: 1px solid var(--line);
    border-radius: var(--radius);
    overflow: hidden;
    transition: all .3s;
    display: flex;
    flex-direction: column;
}
.product-card:hover { box-shadow: var(--shadow-md); transform: translateY(-5px); border-color: transparent; }
.product-card__img {
    position: relative;
    aspect-ratio: 4 / 3;
    overflow: hidden;
    background: var(--bg-light);
}
.product-card__img img { width: 100%; height: 100%; object-fit: cover; transition: transform .5s; }
.product-card:hover .product-card__img img { transform: scale(1.06); }
.product-card__badge {
    position: absolute;
    top: 14px;
    left: 14px;
    background: var(--orange);
    color: #fff;
    font-size: 11px;
    font-weight: 700;
    letter-spacing: 1px;
    padding: 4px 10px;
    border-radius: 3px;
}
.product-card__body { padding: 20px 20px 22px; display: flex; flex-direction: column; flex: 1; }
.product-card__model { font-size: 12.5px; font-weight: 700; letter-spacing: 1.5px; color: var(--orange); margin-bottom: 8px; }
.product-card__name {
    font-size: 16px;
    font-weight: 700;
    line-height: 1.4;
    margin-bottom: 10px;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}
.product-card__summary {
    font-size: 13.5px;
    color: var(--gray);
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    margin-bottom: 14px;
    flex: 1;
}
.product-card__link { font-size: 13px; font-weight: 700; letter-spacing: .5px; color: var(--dark); }
.product-card__link:hover { color: var(--orange); }
.product-card__link::after { content: ' \2192'; color: var(--orange); }

/* ---------------- 应用场景 ---------------- */
.app-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.app-card {
    position: relative;
    border-radius: var(--radius);
    overflow: hidden;
    aspect-ratio: 4 / 3;
    display: block;
    background: var(--dark);
}
.app-card img { width: 100%; height: 100%; object-fit: cover; transition: transform .5s; }
.app-card:hover img { transform: scale(1.07); }
.app-card__overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(to top, rgba(15, 18, 21, .9) 0%, rgba(15, 18, 21, .25) 60%, rgba(15, 18, 21, .05) 100%);
}
.app-card__body { position: absolute; left: 0; right: 0; bottom: 0; padding: 20px; color: #fff; }
.app-card__title { font-size: 18px; font-weight: 700; margin-bottom: 4px; }
.app-card__desc { font-size: 13px; color: #C8CDD3; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }

/* ---------------- 案例卡片（对标 xuvol 编号案例） ---------------- */
.case-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
.case-card {
    background: #fff;
    border: 1px solid var(--line);
    border-radius: var(--radius);
    overflow: hidden;
    transition: all .3s;
    display: flex;
    flex-direction: column;
}
.case-card:hover { box-shadow: var(--shadow-md); transform: translateY(-5px); }
.case-card__img { position: relative; aspect-ratio: 4 / 3; overflow: hidden; background: var(--bg-light); }
.case-card__img img { width: 100%; height: 100%; object-fit: cover; transition: transform .5s; }
.case-card:hover .case-card__img img { transform: scale(1.06); }
.case-card__num {
    position: absolute;
    left: 0;
    bottom: 0;
    background: var(--orange);
    color: #fff;
    font-family: var(--font-head);
    font-size: 20px;
    font-weight: 800;
    padding: 6px 14px;
}
.case-card__body { padding: 18px 20px 22px; display: flex; flex-direction: column; flex: 1; }
.case-card__title { font-size: 16px; font-weight: 700; margin-bottom: 8px; }
.case-card__summary {
    font-size: 13.5px;
    color: var(--gray);
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    margin-bottom: 12px;
    flex: 1;
}
.case-card__loc { font-size: 12.5px; color: var(--gray-light); }
.case-card__loc::before { content: '⌖ '; color: var(--orange); }

/* ---------------- 资源卡片 ---------------- */
.resource-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.resource-card {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    background: var(--dark-2);
    border-radius: var(--radius);
    padding: 34px 18px;
    color: #fff;
    transition: all .3s;
}
.resource-card:hover { background: var(--orange); transform: translateY(-5px); }
.resource-card__icon { width: 46px; height: 46px; margin-bottom: 16px; }
.resource-card__icon svg { width: 100%; height: 100%; stroke: var(--orange); fill: none; }
.resource-card:hover .resource-card__icon svg { stroke: #fff; }
.resource-card__name { font-size: 15px; font-weight: 700; letter-spacing: .5px; }

/* ---------------- 关于我们 / 数据条 ---------------- */
.about-wrap { display: grid; grid-template-columns: 1.05fr 1fr; gap: 56px; align-items: center; }
.about-wrap--single { grid-template-columns: 1fr; }
.about-wrap--flip .about-media { order: 2; }
.about-media { position: relative; }
.about-media img { border-radius: var(--radius); width: 100%; }
.about-media__badge {
    position: absolute;
    right: -18px;
    bottom: 28px;
    background: var(--orange);
    color: #fff;
    padding: 20px 26px;
    border-radius: 6px;
    box-shadow: var(--shadow-lg);
}
.about-media__badge strong { display: block; font-size: 30px; font-weight: 800; line-height: 1.1; }
.about-media__badge span { font-size: 12px; letter-spacing: 1px; }
.about-text__p { color: var(--gray); margin: 16px 0 24px; }
.about-points { display: grid; gap: 14px; margin-bottom: 28px; }
.about-points li { display: flex; gap: 12px; align-items: flex-start; font-size: 14.5px; }
.about-points li::before { content: '✓'; color: #fff; background: var(--orange); border-radius: 50%; width: 20px; height: 20px; display: inline-flex; align-items: center; justify-content: center; font-size: 11px; flex-shrink: 0; margin-top: 3px; }

.stats-row {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 0;
    background: var(--dark);
    border-radius: var(--radius);
    overflow: hidden;
    margin-top: 64px;
}
.stats-item { text-align: center; padding: 42px 20px; color: #fff; position: relative; }
.stats-item + .stats-item::before {
    content: '';
    position: absolute;
    left: 0;
    top: 50%;
    transform: translateY(-50%);
    height: 52%;
    width: 1px;
    background: var(--dark-3);
}
.stats-item__num {
    font-family: var(--font-head);
    font-size: 42px;
    font-weight: 800;
    color: var(--orange);
    line-height: 1.1;
}
.stats-item__num sup { font-size: 22px; }
.stats-item__label { font-size: 13px; letter-spacing: 1.5px; text-transform: uppercase; color: #AEB4BB; margin-top: 6px; }

/* ---------------- 询盘 CTA 条 ---------------- */
.cta-band {
    background: linear-gradient(105deg, var(--orange-dark) 0%, var(--orange) 60%, #FF9A45 100%);
    color: #fff;
    padding: 56px 0;
}
.cta-band__inner { display: flex; align-items: center; justify-content: space-between; gap: 32px; flex-wrap: wrap; }
.cta-band__title { font-size: 30px; font-weight: 800; margin-bottom: 6px; }
.cta-band__desc { font-size: 15px; color: rgba(255, 255, 255, .88); max-width: 560px; }
.cta-band .btn--outline { border-color: #fff; }

/* ---------------- 面包屑 ---------------- */
.breadcrumb { background: var(--bg-light); border-bottom: 1px solid var(--line); padding: 14px 0; font-size: 13.5px; color: var(--gray); }
.breadcrumb a:hover { color: var(--orange); }
.breadcrumb__sep { margin: 0 8px; color: var(--gray-light); }
.breadcrumb__current { color: var(--dark); font-weight: 600; }

/* ---------------- 页面头（内页标题区） ---------------- */
.page-hero {
    background: var(--dark);
    color: #fff;
    padding: 64px 0;
    position: relative;
    overflow: hidden;
}
.page-hero::after {
    content: '';
    position: absolute;
    right: -80px;
    top: -80px;
    width: 320px;
    height: 320px;
    border: 40px solid rgba(245, 130, 32, .08);
    border-radius: 50%;
}
.page-hero__title { font-size: 38px; font-weight: 800; margin-bottom: 10px; position: relative; z-index: 1; }
.page-hero__desc { color: #AEB4BB; max-width: 640px; position: relative; z-index: 1; }

/* ---------------- 分页 ---------------- */
.pagination { display: flex; justify-content: center; gap: 8px; margin-top: 48px; }
.pagination a, .pagination span {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 40px;
    height: 40px;
    padding: 0 12px;
    border: 1px solid var(--line);
    border-radius: 4px;
    font-size: 14px;
    font-weight: 600;
    color: var(--dark);
    background: #fff;
}
.pagination a:hover { border-color: var(--orange); color: var(--orange); }
.pagination .is-current { background: var(--orange); border-color: var(--orange); color: #fff; }
.pagination .is-disabled { color: var(--gray-light); pointer-events: none; }

/* ---------------- 产品详情页 ---------------- */
.product-detail { padding: 56px 0 84px; }
.pd-top { display: grid; grid-template-columns: 1.1fr 1fr; gap: 48px; margin-bottom: 56px; }

.pd-gallery__main {
    aspect-ratio: 4 / 3;
    border-radius: var(--radius);
    overflow: hidden;
    background: var(--bg-light);
    border: 1px solid var(--line);
    margin-bottom: 14px;
}
.pd-gallery__main img { width: 100%; height: 100%; object-fit: cover; }
.pd-gallery__thumbs { display: flex; gap: 10px; }
.pd-gallery__thumb {
    width: 84px;
    height: 64px;
    border-radius: 4px;
    overflow: hidden;
    cursor: pointer;
    border: 2px solid transparent;
    background: var(--bg-light);
}
.pd-gallery__thumb img { width: 100%; height: 100%; object-fit: cover; }
.pd-gallery__thumb.is-active { border-color: var(--orange); }

.pd-info__cat { font-size: 13px; font-weight: 700; letter-spacing: 2px; text-transform: uppercase; color: var(--orange); margin-bottom: 10px; }
.pd-info__title { font-size: 30px; font-weight: 800; margin-bottom: 8px; }
.pd-info__model { font-size: 16px; color: var(--gray); font-weight: 600; margin-bottom: 16px; }
.pd-info__summary { color: var(--gray); margin-bottom: 22px; }

.pd-tags { display: flex; flex-wrap: wrap; gap: 10px; margin-bottom: 24px; }
.pd-tag {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    background: var(--bg-light);
    border: 1px solid var(--line);
    border-radius: 4px;
    padding: 6px 14px;
    font-size: 13px;
    font-weight: 600;
}
.pd-tag--cert { background: rgba(47, 166, 95, .08); border-color: #BFE6CD; color: #1E7A3E; }

.pd-actions { display: flex; gap: 14px; flex-wrap: wrap; margin-bottom: 28px; }

.pd-contact-strip {
    background: var(--bg-light);
    border-left: 4px solid var(--orange);
    border-radius: 4px;
    padding: 14px 18px;
    font-size: 14px;
    color: var(--gray);
}
.pd-contact-strip a { color: var(--orange); font-weight: 700; }

/* 详情 Tab */
.pd-tabs { display: flex; gap: 4px; border-bottom: 2px solid var(--line); margin-bottom: 36px; flex-wrap: wrap; }
.pd-tab {
    padding: 13px 26px;
    font-family: var(--font-head);
    font-weight: 700;
    font-size: 15px;
    letter-spacing: .5px;
    cursor: pointer;
    color: var(--gray);
    border: none;
    background: none;
    position: relative;
    bottom: -2px;
    border-bottom: 2px solid transparent;
}
.pd-tab:hover { color: var(--dark); }
.pd-tab.is-active { color: var(--orange); border-bottom-color: var(--orange); }
.pd-panel { display: none; }
.pd-panel.is-active { display: block; }

.spec-table { width: 100%; border-collapse: collapse; }
.spec-table th, .spec-table td {
    padding: 13px 18px;
    text-align: left;
    font-size: 14.5px;
    border-bottom: 1px solid var(--line);
}
.spec-table th { background: var(--bg-light); width: 36%; font-weight: 700; }

/* 富文本内容排版（纯文本内容行首 # 标题标记转 hN，其余转义 + <br>，基础行高在这里兜底） */
.rich-content { line-height: 1.75; color: #3A4046; }
.rich-content h1 { font-size: 26px; margin: 34px 0 16px; }
.rich-content h2 { font-size: 23px; margin: 30px 0 14px; }
.rich-content h3 { font-size: 18px; margin: 24px 0 10px; }
.rich-content h4 { font-size: 16px; margin: 20px 0 8px; }
.rich-content p { margin-bottom: 14px; color: #3A4046; }
.rich-content ul { margin: 0 0 16px 20px; list-style: disc; }
.rich-content li { margin-bottom: 6px; color: #3A4046; }
.rich-content a { color: var(--orange); font-weight: 600; }
.rich-content a:hover { text-decoration: underline; }
.rich-content img { max-width: 100%; height: auto; border-radius: 6px; margin: 12px 0; }

/* ---------------- 文章/资源列表 ---------------- */
.article-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.article-card {
    background: #fff;
    border: 1px solid var(--line);
    border-radius: var(--radius);
    overflow: hidden;
    display: flex;
    flex-direction: column;
    transition: all .3s;
}
.article-card:hover { box-shadow: var(--shadow-md); transform: translateY(-5px); }
.article-card__img { aspect-ratio: 16 / 9; overflow: hidden; background: var(--bg-light); position: relative; }
.article-card__img img { width: 100%; height: 100%; object-fit: cover; transition: transform .5s; }
.article-card__ph { width: 100%; height: 100%; display: flex; align-items: center; justify-content: center; background: var(--bg-light); color: var(--gray); font-size: 15px; letter-spacing: 1px; }
.article-card:hover .article-card__img img { transform: scale(1.06); }
.article-card__body { padding: 18px 20px 22px; display: flex; flex-direction: column; flex: 1; }
.article-card__meta { font-size: 12px; color: var(--gray-light); letter-spacing: .5px; margin-bottom: 8px; }
.article-card__meta .cat { color: var(--orange); font-weight: 700; }
.article-card__title {
    font-size: 16.5px;
    font-weight: 700;
    line-height: 1.45;
    margin-bottom: 8px;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}
.article-card__summary {
    font-size: 13.5px;
    color: var(--gray);
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    flex: 1;
}

/* 资源分类 Tab */
.filter-tabs { display: flex; gap: 8px; margin-bottom: 40px; flex-wrap: wrap; }
.filter-tab {
    padding: 10px 24px;
    border: 1px solid var(--line);
    border-radius: 100px;
    font-family: var(--font-head);
    font-size: 14px;
    font-weight: 600;
    letter-spacing: .5px;
    color: var(--gray);
    background: #fff;
}
.filter-tab:hover { border-color: var(--orange); color: var(--orange); }
.filter-tab.is-active { background: var(--orange); border-color: var(--orange); color: #fff; }

/* 文章详情 */
.article-detail { padding: 48px 0 84px; }
.article-detail__inner { max-width: 820px; margin: 0 auto; }
.article-detail__title { font-size: 32px; font-weight: 800; margin: 16px 0; }
.article-detail__meta { color: var(--gray-light); font-size: 13px; margin-bottom: 28px; padding-bottom: 18px; border-bottom: 1px solid var(--line); }
.article-detail__cover { border-radius: var(--radius); margin-bottom: 32px; }
.article-detail .rich-content { font-size: 15.5px; }

/* ---------------- 联系页 ---------------- */
.contact-wrap { display: grid; grid-template-columns: 1fr 1.15fr; gap: 44px; padding: 64px 0 84px; }
.contact-info-card {
    background: var(--dark);
    color: #fff;
    border-radius: var(--radius);
    padding: 40px 36px;
}
.contact-info-card h3 { font-size: 22px; margin-bottom: 18px; }
.contact-info-list li { display: flex; gap: 14px; padding: 14px 0; border-bottom: 1px solid var(--dark-3); font-size: 14.5px; }
.contact-info-list li:last-child { border-bottom: none; }
.contact-info-list .icon {
    width: 40px;
    height: 40px;
    flex-shrink: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(245, 130, 32, .15);
    border-radius: 6px;
    font-size: 17px;
}
.contact-info-list a:hover { color: var(--orange-light); }
.contact-info-list .sub { display: block; font-size: 12.5px; color: #AEB4BB; }

.form-card {
    background: #fff;
    border: 1px solid var(--line);
    border-radius: var(--radius);
    padding: 36px;
    box-shadow: var(--shadow-sm);
}
.form-card h3 { font-size: 22px; margin-bottom: 6px; }
.form-card .form-tip { font-size: 13.5px; color: var(--gray); margin-bottom: 24px; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.form-group { margin-bottom: 18px; }
.form-group--full { grid-column: 1 / -1; }
.form-group label { display: block; font-size: 13.5px; font-weight: 700; margin-bottom: 7px; }
.form-group label .req { color: var(--orange); }
.form-control {
    width: 100%;
    padding: 12px 14px;
    border: 1px solid var(--line);
    border-radius: 4px;
    font-family: var(--font-body);
    font-size: 14.5px;
    color: var(--dark);
    background: #fff;
    transition: border-color .2s, box-shadow .2s;
}
.form-control:focus {
    outline: none;
    border-color: var(--orange);
    box-shadow: 0 0 0 3px rgba(245, 130, 32, .12);
}
textarea.form-control { resize: vertical; min-height: 110px; }
.form-msg { display: none; padding: 12px 16px; border-radius: 4px; font-size: 14px; margin-bottom: 18px; }
.form-msg.is-error { display: block; background: #FDECEA; color: #C0392B; border: 1px solid #F5C6C2; }
.form-msg.is-success { display: block; background: #EAF7EF; color: #1E7A3E; border: 1px solid #BFE6CD; }

/* ---------------- 解决方案页流程 ---------------- */
.flow-steps { display: grid; grid-template-columns: repeat(5, 1fr); gap: 22px; margin-bottom: 64px; }
.flow-step { text-align: center; position: relative; padding: 0 8px; }
.flow-step:not(:last-child)::after {
    content: '';
    position: absolute;
    top: 34px;
    left: calc(50% + 34px);
    width: calc(100% - 68px);
    border-top: 2px dashed var(--gray-light);
}
.flow-step__num {
    width: 68px;
    height: 68px;
    margin: 0 auto 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: #fff;
    border: 2px solid var(--orange);
    border-radius: 50%;
    font-family: var(--font-head);
    font-size: 24px;
    font-weight: 800;
    color: var(--orange);
}
.flow-step__title { font-size: 15.5px; font-weight: 700; margin-bottom: 6px; }
.flow-step__desc { font-size: 13px; color: var(--gray); }

/* ---------------- 页脚 ---------------- */
.footer { background: var(--dark); color: #AEB4BB; padding: 68px 0 0; margin-top: 0; }
.footer__grid {
    display: grid;
    grid-template-columns: 1.35fr 1fr 1fr 1.3fr;
    gap: 44px;
    padding-bottom: 48px;
}
.logo--light .logo__text strong { color: #fff; }
.logo--light .logo__text small { color: var(--gray-light); }
/* 深色页脚：Logo 图片通常为白底，套浅色圆角底衬保证可见且整洁 */
.logo--light .logo__img {
    height: 44px;
    background: #fff;
    border-radius: 6px;
    padding: 6px 12px;
}
.footer__about { font-size: 14px; margin: 18px 0; color: var(--gray-light); }
.footer__certs { display: flex; flex-wrap: wrap; gap: 8px; }
.cert-badge {
    font-size: 11px;
    font-weight: 700;
    letter-spacing: 1px;
    padding: 5px 12px;
    border: 1px solid var(--dark-3);
    border-radius: 3px;
    color: var(--gray-light);
}
.footer__title {
    color: #fff;
    font-size: 15.5px;
    letter-spacing: 1.5px;
    margin-bottom: 20px;
    position: relative;
    padding-bottom: 12px;
}
.footer__title::after {
    content: '';
    position: absolute;
    left: 0;
    bottom: 0;
    width: 34px;
    height: 2px;
    background: var(--orange);
}
.footer__links li { margin-bottom: 10px; }
.footer__links a { font-size: 14px; color: var(--gray-light); }
.footer__links a:hover { color: var(--orange-light); padding-left: 4px; }
.footer__contact li { display: flex; gap: 12px; margin-bottom: 14px; font-size: 14px; color: var(--gray-light); }
.footer__contact a:hover { color: var(--orange-light); }
.footer__icon { color: var(--orange); flex-shrink: 0; }
.footer__bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 16px;
    flex-wrap: wrap;
    border-top: 1px solid var(--dark-3);
    padding: 22px 0;
    font-size: 13px;
    color: var(--gray-light);
}
.footer__bottom-links { display: flex; gap: 18px; }
.footer__bottom a:hover { color: var(--orange-light); }

/* 返回顶部 */
.to-top {
    position: fixed;
    right: 26px;
    bottom: 26px;
    width: 46px;
    height: 46px;
    background: var(--orange);
    color: #fff;
    border: none;
    border-radius: 4px;
    font-size: 20px;
    cursor: pointer;
    box-shadow: var(--shadow-md);
    opacity: 0;
    visibility: hidden;
    transform: translateY(12px);
    transition: all .3s;
    z-index: 90;
}
.to-top.is-visible { opacity: 1; visibility: visible; transform: translateY(0); }
.to-top:hover { background: var(--orange-dark); }

/* ---------------- 滚动入场动画 ---------------- */
.reveal { opacity: 0; transform: translateY(26px); transition: opacity .6s ease, transform .6s ease; }
.reveal.is-visible { opacity: 1; transform: translateY(0); }

/* ---------------- 响应式 ---------------- */
@media (max-width: 1280px) {
    .nav__list > li > a { padding: 10px 10px; font-size: 13px; }
    .header__actions { gap: 10px; }
    .header__tagline { font-size: 11px; }   /* 标语略缩小，与 8 项菜单 + 报价按钮共存 */
}

@media (max-width: 1100px) {
    /* 行内放不下标语：隐藏"报价按钮右上方"的标语，改用头部下方通栏窄条（保证窄屏可见） */
    .header__lang .header__tagline { display: none; }
    .header__tagbar { display: flex; }
    .nav__list > li > a { padding: 10px 9px; font-size: 12.5px; }
    .cat-grid { grid-template-columns: repeat(2, 1fr); }
    .product-grid, .case-grid { grid-template-columns: repeat(3, 1fr); }
    .resource-grid { grid-template-columns: repeat(3, 1fr); }
    .flow-steps { grid-template-columns: repeat(3, 1fr); }
    .flow-step:not(:last-child)::after { display: none; }
}

@media (max-width: 900px) {
    .nav { display: none; }
    .hamburger { display: flex; }
    .header__quote-btn { display: none; }
    .hero { height: 460px; }
    .hero__title { font-size: 32px; }
    .value-grid, .app-grid { grid-template-columns: 1fr; }
    .about-wrap, .pd-top, .contact-wrap { grid-template-columns: 1fr; }
    .footer__grid { grid-template-columns: 1fr 1fr; }
    .stats-row { grid-template-columns: repeat(2, 1fr); }
    .stats-item:nth-child(3)::before { display: none; }
    .article-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 600px) {
    .section { padding: 56px 0; }
    .header__inner { height: 66px; }
    .logo__text strong { font-size: 19px; }
    .logo__mark { width: 38px; height: 38px; font-size: 20px; }
    .hero { height: 400px; }
    .hero__title { font-size: 26px; }
    .hero__subtitle { font-size: 14px; }
    .sec-head__title { font-size: 26px; }
    .sec-head--num__left { gap: 14px; }
    .sec-head__num { font-size: 38px; }
    .sec-head__num-title { font-size: 22px; }
    .sec-head__more { display: none; }
    .product-grid, .case-grid, .article-grid, .cat-grid { grid-template-columns: 1fr 1fr; gap: 14px; }
    .resource-grid { grid-template-columns: repeat(2, 1fr); }
    .form-row { grid-template-columns: 1fr; }
    .footer__grid { grid-template-columns: 1fr; gap: 32px; }
    .flow-steps { grid-template-columns: 1fr 1fr; }
    .cta-band__title { font-size: 24px; }
    .contact-wrap { padding: 40px 0 56px; }
    .pd-info__title { font-size: 24px; }
}

/* ---------------- 工具类 ---------------- */
.text-orange { color: var(--orange); }
.mt-16 { margin-top: 16px; }
.mt-32 { margin-top: 32px; }
.mb-16 { margin-bottom: 16px; }
.mb-32 { margin-bottom: 32px; }
.text-center { text-align: center; }
.empty-tip { text-align: center; color: var(--gray-light); padding: 60px 0; font-size: 15px; }

/* ============================================================
   首页新版样式（对标 xuvol.com 首页：全屏 Hero / 产品矩阵 /
   公司画廊滑条 / 编号案例 / 服务卡 / 底部联系 / 浮动工具条）
   ============================================================ */

/* ---------------- 首页 Hero（沉浸式森林作业大图 + 双行标语） ---------------- */
.home-hero {
    position: relative;
    /* 满屏自适应：视口高度 - 导航高度（82px），不同电脑尺寸下轮播图铺满首屏 */
    height: calc(100vh - 82px);
    height: calc(100dvh - 82px);
    overflow: hidden;
    background: var(--dark);
}
.home-hero__media { position: absolute; inset: 0; }
.home-hero__media img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    animation: homeHeroZoom 18s ease-in-out infinite alternate;
}
@keyframes homeHeroZoom {
    from { transform: scale(1); }
    to { transform: scale(1.08); }
}
.home-hero__overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(100deg, rgba(16, 19, 23, .85) 0%, rgba(16, 19, 23, .6) 45%, rgba(16, 19, 23, .18) 100%);
}
.home-hero__content {
    position: absolute;
    inset: 0;
    display: flex;
    align-items: center;
}
.home-hero__content .container { width: 100%; }
.home-hero__eyebrow {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    font-family: var(--font-head);
    font-size: 12.5px;
    font-weight: 700;
    letter-spacing: 3px;
    text-transform: uppercase;
    color: var(--orange-light);
    margin-bottom: 20px;
}
.home-hero__eyebrow::before {
    content: '';
    width: 42px;
    height: 2px;
    background: var(--orange);
}
.home-hero__title {
    font-size: 48px;
    font-weight: 800;
    line-height: 1.16;
    letter-spacing: .5px;
    color: #fff;
    margin-bottom: 22px;
    max-width: 880px;
}
.home-hero__title-line { display: block; }
.home-hero__title-line--accent { color: var(--orange-light); }
.home-hero__subtitle {
    font-size: 16.5px;
    color: #D5DAE0;
    max-width: 660px;
    margin-bottom: 36px;
}
.home-hero__btns { display: flex; gap: 16px; flex-wrap: wrap; }

/* ---------------- 产品矩阵（PRODUCT SHOW 场景分类卡） ---------------- */
.ps__header { text-align: center; margin-bottom: 52px; }
.ps__eyebrow {
    font-family: var(--font-head);
    font-size: 15px;
    font-weight: 800;
    letter-spacing: 8px;
    color: var(--gray-light);
    margin-bottom: 14px;
}
.ps__eyebrow::before,
.ps__eyebrow::after {
    content: '--';
    margin: 0 14px;
    color: var(--orange);
    letter-spacing: 0;
}
.ps__title { font-size: 34px; font-weight: 800; letter-spacing: .5px; }
.ps__desc { margin-top: 12px; color: var(--gray); max-width: 660px; margin-left: auto; margin-right: auto; }

.ps__grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 26px; }
.ps-card {
    position: relative;
    background: var(--dark);
    border-radius: var(--radius);
    padding: 34px 30px 30px;
    color: #fff;
    overflow: hidden;
    transition: all .3s;
    display: flex;
    flex-direction: column;
}
.ps-card::after {
    content: '';
    position: absolute;
    right: -40px;
    top: -40px;
    width: 130px;
    height: 130px;
    border: 22px solid rgba(245, 130, 32, .08);
    border-radius: 50%;
    transition: border-color .35s;
}
.ps-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); background: var(--dark-2); }
.ps-card:hover::after { border-color: rgba(245, 130, 32, .18); }
.ps-card__icon {
    width: 64px;
    height: 64px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(245, 130, 32, .14);
    border-radius: 8px;
    margin-bottom: 22px;
}
.ps-card__icon svg { width: 40px; height: 40px; color: var(--orange); }
.ps-card__img {
    height: 190px;
    overflow: hidden;
    border-radius: 8px;
    margin-bottom: 22px;
}
.ps-card__img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
    transition: transform .4s;
}
.ps-card:hover .ps-card__img img { transform: scale(1.05); }
.ps-card__badge {
    display: inline-block;
    font-size: 10.5px;
    font-weight: 700;
    letter-spacing: 1.5px;
    background: var(--orange);
    color: #fff;
    padding: 3px 10px;
    border-radius: 3px;
    margin-bottom: 12px;
}
.ps-card__badge.is-high { background: #D23F31; }
.ps-card__badge.is-project { background: #2E7DD1; }
.ps-card__badge.is-new { background: #2FA65F; }
.ps-card__name { font-size: 20px; font-weight: 700; margin-bottom: 8px; }
.ps-card__desc { font-size: 13.5px; color: #AEB4BB; line-height: 1.7; flex: 1; margin-bottom: 18px; }
.ps-card__more { font-size: 13px; font-weight: 700; color: var(--orange-light); }
.ps-card:hover .ps-card__more { text-decoration: underline; }

/* ---------------- 公司介绍 + 画廊滑条（对标 xuvol index-ab） ---------------- */
.company__top { display: grid; grid-template-columns: 1.05fr 1fr; gap: 56px; align-items: center; }
.company__media { position: relative; }
.company__video {
    display: block;
    position: relative;
    border-radius: var(--radius);
    overflow: hidden;
    aspect-ratio: 16 / 10;
    background: var(--dark);
}
.company__video img { width: 100%; height: 100%; object-fit: cover; transition: transform .5s; }
.company__video:hover img { transform: scale(1.05); }
/* 自托管 MP4 视频播放器 */
.company__video--file { width: 100%; height: 100%; object-fit: cover; }
.company__play {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 74px;
    height: 74px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(245, 130, 32, .92);
    color: #fff;
    font-size: 22px;
    border-radius: 50%;
    box-shadow: 0 0 0 10px rgba(245, 130, 32, .22);
    transition: all .3s;
}
.company__video:hover .company__play { background: var(--orange-dark); transform: translate(-50%, -50%) scale(1.08); }
.company__badge {
    position: absolute;
    left: -14px;
    bottom: 26px;
    background: var(--orange);
    color: #fff;
    padding: 16px 24px;
    border-radius: 6px;
    box-shadow: var(--shadow-lg);
    text-align: center;
}
.company__badge strong { display: block; font-size: 30px; font-weight: 800; line-height: 1.1; }
.company__badge span { font-size: 11px; letter-spacing: 2px; }
.company__p { color: var(--gray); margin: 16px 0 22px; }

/* 画廊滑条（工厂/作业实景，进度条 + 前后切换） */
.gallery-band { margin-top: 60px; }
.gallery-band__head {
    display: flex;
    justify-content: space-between;
    align-items: flex-end;
    gap: 20px;
    flex-wrap: wrap;
    margin-bottom: 24px;
}
.gallery-band__company { font-size: 22px; font-weight: 800; }
.gallery-band__company-en { font-size: 13.5px; color: var(--gray); margin-top: 4px; }
.gallery-band__badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    border: 1px solid var(--orange);
    color: var(--orange);
    border-radius: 100px;
    padding: 7px 18px;
    font-size: 12.5px;
    font-weight: 700;
    letter-spacing: 1px;
    text-transform: uppercase;
}
.gallery-band__viewport { overflow: hidden; }
.gallery-band__track { display: flex; transition: transform .55s ease; }
.gallery-band__slide { flex: 0 0 33.3333%; padding: 0 9px; }
.gallery-band__slide img {
    width: 100%;
    aspect-ratio: 16 / 10;
    object-fit: cover;
    border-radius: var(--radius);
    display: block;
}
.gallery-band__foot { display: flex; align-items: center; gap: 24px; margin-top: 20px; }
.gallery-band__progress {
    flex: 1;
    height: 3px;
    background: var(--line);
    border-radius: 2px;
    position: relative;
}
.gallery-band__progress-thumb {
    position: absolute;
    top: 0;
    left: 0;
    height: 100%;
    background: var(--orange);
    border-radius: 2px;
    transition: transform .5s ease, width .3s ease;
}
.gallery-band__nav { display: flex; gap: 8px; }
.gallery-band__btn {
    width: 42px;
    height: 42px;
    display: flex;
    align-items: center;
    justify-content: center;
    border: 1px solid var(--line);
    background: #fff;
    color: var(--dark);
    font-size: 20px;
    border-radius: 4px;
    cursor: pointer;
    transition: all .25s;
}
.gallery-band__btn:hover { background: var(--orange); border-color: var(--orange); color: #fff; }
.gallery-band__btn.is-disabled { opacity: .35; pointer-events: none; }

/* ---------------- 客户案例（对标 xuvol index-case：编号 + 导轨竖线） ---------------- */
.case-rail-sec__title { font-size: 32px; font-weight: 800; margin-bottom: 44px; }
.case-rail__grid { display: grid; grid-template-columns: 1fr 1fr; gap: 48px 44px; }
.case-rail__item { display: flex; gap: 18px; }
.case-rail__rail { width: 12px; display: flex; flex-direction: column; align-items: center; flex-shrink: 0; }
.case-rail__dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: var(--orange);
    margin-top: 6px;
    flex-shrink: 0;
}
.case-rail__line { flex: 1; width: 1px; background: var(--dark-3); margin-top: 8px; }
.case-rail__body { flex: 1; min-width: 0; }
.case-rail__link { display: block; }
.case-rail__num {
    display: block;
    font-family: var(--font-head);
    font-size: 42px;
    font-weight: 800;
    line-height: 1;
    color: transparent;
    -webkit-text-stroke: 1.5px var(--orange);
    margin-bottom: 6px;
}
.case-rail__name { font-size: 19px; font-weight: 700; color: #fff; margin-bottom: 12px; }
.case-rail__accent { display: block; width: 44px; height: 2px; background: var(--orange); margin-bottom: 16px; transition: width .3s; }
.case-rail__item:hover .case-rail__accent { width: 76px; }
.case-rail__media {
    border-radius: var(--radius);
    overflow: hidden;
    aspect-ratio: 16 / 9;
    background: var(--dark-2);
    margin-bottom: 16px;
}
.case-rail__media img { width: 100%; height: 100%; object-fit: cover; transition: transform .5s; }
.case-rail__item:hover .case-rail__media img { transform: scale(1.05); }
.case-rail__desc {
    font-size: 13.5px;
    color: #AEB4BB;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}
.case-rail-sec__more-wrap { text-align: center; margin-top: 48px; }
.case-rail-sec__more {
    display: inline-block;
    padding: 12px 34px;
    border: 1px solid rgba(255, 255, 255, .35);
    border-radius: 4px;
    color: #fff;
    font-family: var(--font-head);
    font-size: 13.5px;
    font-weight: 600;
    letter-spacing: 1px;
    text-transform: uppercase;
    transition: all .25s;
}
.case-rail-sec__more:hover { background: var(--orange); border-color: var(--orange); }

/* ---------------- 帮助与支持（对标 xuvol index-ser：编号服务卡） ---------------- */
.ser { padding: 0 0 84px; }
.ser__banner {
    background: linear-gradient(105deg, var(--dark) 0%, var(--dark-2) 70%, var(--dark-3) 100%);
    padding: 52px 0;
}
.ser__title { font-size: 32px; font-weight: 800; color: #fff; }
.ser__body { padding-top: 64px; }
.ser__grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 26px; }
.ser__card {
    background: #fff;
    border: 1px solid var(--line);
    border-radius: var(--radius);
    padding: 28px 26px 30px;
    transition: all .3s;
    display: flex;
    flex-direction: column;
}
.ser__card:hover { box-shadow: var(--shadow-md); transform: translateY(-5px); border-color: transparent; }
.ser__head { display: flex; justify-content: space-between; align-items: flex-start; gap: 12px; margin-bottom: 16px; }
.ser__head-left { display: flex; align-items: center; gap: 14px; }
.ser__ico {
    width: 52px;
    height: 52px;
    flex-shrink: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(245, 130, 32, .1);
    border-radius: 8px;
}
.ser__ico svg { width: 28px; height: 28px; stroke: var(--orange); }
.ser__name { font-size: 17px; font-weight: 700; line-height: 1.35; }
.ser__num-wrap { display: flex; flex-direction: column; align-items: flex-end; gap: 7px; flex-shrink: 0; }
.ser__num {
    font-family: var(--font-head);
    font-size: 34px;
    font-weight: 800;
    line-height: 1;
    color: transparent;
    -webkit-text-stroke: 1.5px var(--gray-light);
}
.ser__card:hover .ser__num { -webkit-text-stroke-color: var(--orange); }
.ser__num-line { display: block; width: 46px; height: 2px; background: var(--orange); }
.ser__desc { font-size: 13.5px; color: var(--gray); line-height: 1.75; }

/* ---------------- 底部联系（对标 xuvol ft-lx：大标题 + 联系按钮） ---------------- */
.ft-lx {
    position: relative;
    padding: 92px 0;
    overflow: hidden;
}
.ft-lx__bg {
    position: absolute;
    inset: 0;
    /* 正式图片待补：/img/hero/hero-forest-operation.jpg（首页大图补上后恢复此行）
    background: url('/img/hero/hero-forest-operation.jpg') center / cover no-repeat; */
}
.ft-lx__bg::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(100deg, rgba(16, 19, 23, .93) 0%, rgba(16, 19, 23, .82) 100%);
}
.ft-lx__inner {
    position: relative;
    z-index: 1;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 36px;
    flex-wrap: wrap;
}
.ft-lx__title { font-size: 34px; font-weight: 800; color: #fff; line-height: 1.25; }
.ft-lx__subtitle { margin-top: 10px; font-size: 15.5px; color: #C8CDD3; }
.ft-lx__btn {
    display: inline-flex;
    align-items: center;
    gap: 16px;
    background: var(--orange);
    color: #fff;
    padding: 20px 36px;
    border-radius: 6px;
    font-family: var(--font-head);
    font-size: 16px;
    font-weight: 700;
    letter-spacing: 1px;
    text-transform: uppercase;
    transition: all .25s;
    box-shadow: 0 10px 30px rgba(245, 130, 32, .35);
}
.ft-lx__btn:hover { background: var(--orange-dark); color: #fff; transform: translateY(-3px); }
.ft-lx__btn-ico {
    width: 34px;
    height: 34px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(255, 255, 255, .18);
    border-radius: 50%;
    font-size: 16px;
}

/* ---------------- 浮动侧边工具条（对标 xuvol global_toolbar） ---------------- */
.global-toolbar {
    position: fixed;
    right: 0;
    top: 50%;
    transform: translateY(-50%);
    z-index: 96;
    display: flex;
    flex-direction: column;
    border-radius: 6px 0 0 6px;
    overflow: hidden;
    box-shadow: var(--shadow-lg);
}
.global-toolbar__btn {
    position: relative;
    width: 54px;
    height: 54px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--orange);
    color: #fff;
    transition: background .25s;
}
.global-toolbar__btn + .global-toolbar__btn { border-top: 1px solid rgba(255, 255, 255, .22); }
.global-toolbar__btn:hover { background: var(--orange-dark); }
.global-toolbar__btn[data-toolbar-top] { background: var(--dark); }
.global-toolbar__btn[data-toolbar-top]:hover { background: var(--dark-3); }
.global-toolbar__ico { font-size: 21px; }
.global-toolbar__tip {
    position: absolute;
    right: calc(100% + 12px);
    top: 50%;
    transform: translateY(-50%) translateX(10px);
    background: #fff;
    color: var(--dark);
    font-size: 13px;
    font-weight: 600;
    white-space: nowrap;
    padding: 9px 16px;
    border-radius: 4px;
    box-shadow: var(--shadow-md);
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
    transition: all .25s;
}
.global-toolbar__tip::after {
    content: '';
    position: absolute;
    right: -5px;
    top: 50%;
    transform: translateY(-50%);
    border-top: 5px solid transparent;
    border-bottom: 5px solid transparent;
    border-left: 5px solid #fff;
}
.global-toolbar__btn:hover .global-toolbar__tip {
    opacity: 1;
    visibility: visible;
    transform: translateY(-50%) translateX(0);
}

/* ---------------- 页脚社交图标 ---------------- */
.footer__social { display: flex; gap: 10px; margin-top: 20px; }
.footer__social a {
    width: 38px;
    height: 38px;
    display: flex;
    align-items: center;
    justify-content: center;
    border: 1px solid var(--dark-3);
    border-radius: 4px;
    color: var(--gray-light);
    transition: all .25s;
}
.footer__social a:hover { background: var(--orange); border-color: var(--orange); color: #fff; }
.footer__social svg { width: 18px; height: 18px; fill: none; stroke: currentColor; }

/* ---------------- 首页新版响应式 ---------------- */
@media (max-width: 1100px) {
    /* 头部加了窄屏标语条后总高 111（82 + 底边 1 + 窄条 28），满屏 Hero 同步减去；≤900 起用固定高度覆盖 */
    .home-hero { height: calc(100vh - 111px); height: calc(100dvh - 111px); }
    .ps-card { padding: 28px 24px 26px; }
    .ser__grid { grid-template-columns: repeat(2, 1fr); }
    .case-rail__grid { gap: 40px 32px; }
}
@media (max-width: 900px) {
    .home-hero { height: 560px; }
    .home-hero__title { font-size: 38px; }
    .company__top { grid-template-columns: 1fr; gap: 36px; }
    .ps__grid { grid-template-columns: 1fr 1fr; }
    .case-rail__grid { grid-template-columns: 1fr; }
    .ft-lx__inner { flex-direction: column; align-items: flex-start; }
    .gallery-band__slide { flex-basis: 50%; }
}
@media (max-width: 600px) {
    .home-hero { height: 500px; }
    .home-hero__title { font-size: 28px; }
    .home-hero__subtitle { font-size: 14.5px; }
    .home-hero__eyebrow { font-size: 11px; letter-spacing: 2px; }
    .ps__title { font-size: 26px; }
    .ps__grid { grid-template-columns: 1fr; }
    .ps__eyebrow { letter-spacing: 5px; }
    .ps__eyebrow::before,
    .ps__eyebrow::after { display: none; }
    .ser__grid { grid-template-columns: 1fr; }
    .ser__title { font-size: 26px; }
    .case-rail-sec__title { font-size: 26px; }
    .gallery-band__slide { flex-basis: 100%; }
    .gallery-band__company { font-size: 19px; }
    .ft-lx { padding: 64px 0; }
    .ft-lx__title { font-size: 26px; }
    .company__badge { left: 10px; bottom: 14px; padding: 12px 18px; }
    .company__badge strong { font-size: 24px; }
    .global-toolbar { display: none; }
}