/* ============================================================
KEYINS 官网 · 布局与组件样式（rem 写法，参考 taisiweichuang）
说明：布局尺寸/大间距用 rem（跟随根字号缩放），
正文与小字号用固定 px 变量（--font12~--font30）。
============================================================ */
/* reset.css / animate.min.css / swiper.min.css 已改为 header.html 中 并行加载（原 @import 串行链会拖慢首屏、扩大 FOUC 窗口） */
/* ========== WOW 滚动揭示动画（自动加类，见 main.js） ========== */
/* 仅当 JS 成功注入 .wow-ready 时才预隐藏，避免脚本失败导致内容永久不可见 */
.wow-ready .wow { visibility: hidden; }
@media (prefers-reduced-motion: reduce) {
.wow-ready .wow { visibility: visible !important; }
}
/* 数字滚动时保持等宽数字，避免宽度抖动 */
.counter-value { font-variant-numeric: tabular-nums; }
/* ========== 导航栏 ========== */
.navbar {
position: fixed;
top: 0;
left: 0;
right: 0;
z-index: 1000;
background: rgba(10, 10, 10, 0.85);
backdrop-filter: blur(16px);
-webkit-backdrop-filter: blur(16px);
border-bottom: 1px solid rgba(255, 255, 255, 0.06);
transition: var(--transition);
}
.navbar.scrolled {
background: var(--white);
box-shadow: var(--shadow-sm);
border-bottom: 1px solid var(--border-gray);
}
.navbar.scrolled .nav-links > li > a { color: var(--dark-gray); }
.navbar.scrolled .nav-links > li:hover > a,
.navbar.scrolled .nav-links > li.active > a { color: var(--charcoal); }
.navbar.scrolled .nav-logo .logo-default {filter: initial;}
.navbar.scrolled .nav-logo .logo-blue { display: block; }
.navbar.scrolled .lang-current { color: var(--mid-gray); }
.navbar.scrolled .lang-current:hover { color: var(--charcoal); }
.navbar.scrolled .btn-nav-quote { background: var(--charcoal); color: var(--white); }
.navbar.scrolled .btn-nav-quote:hover { background: var(--dark-gray); }
.nav-inner {
display: flex;
align-items: center;
justify-content: space-between;
height: var(--navbar-h);
}
.nav-logo img {
height: 0.5rem;
width: auto;
transition: var(--transition);
}
.nav-logo .logo-default { filter: brightness(0) invert(1); }
.nav-logo .logo-blue { display: none; }
.nav-links {
display: flex;
align-items: center;
height: 100%;
}
.nav-links > li {
position: relative;
height: 100%;
display: flex;
align-items: center;
padding-left: 0.22rem;
}
.nav-links > li > a {
display: flex;
align-items: center;
gap: 0.04rem;
height: 100%;
font-size: var(--font15);
font-weight: 500;
color: var(--text-on-dark);
white-space: nowrap;
padding: 0 0.08rem;
transition: var(--transition);
}
.nav-links > li:hover > a,
.nav-links > li.active > a {
color: var(--white);
}
.nav-links .dd-arrow {
width: 0;
height: 0;
margin-left: 0.035rem;
border-left: 0.05rem solid transparent;
border-right: 0.05rem solid transparent;
border-top: 0.07rem solid currentColor;
opacity: 0.75;
transform: translateY(0.006rem);
}
/* 下拉菜单 */
.dropdown-menu {
position: absolute;
top: 100%;
left: 50%;
transform: translateX(-50%);
min-width: 2.2rem;
background: var(--white);
border-radius: var(--radius);
box-shadow: var(--shadow-lg);
padding: 0.1rem 0;
opacity: 0;
visibility: hidden;
transition: var(--transition);
}
.nav-links > li:hover .dropdown-menu {
opacity: 1;
visibility: visible;
}
.dropdown-menu li a {
display: block;
padding: 0.1rem 0.24rem;
font-size: var(--font14);
font-weight: 400;
color: var(--dark-gray);
white-space: nowrap;
text-align: left;
transition: var(--transition);
}
.dropdown-menu li a:hover {
background: var(--bg-light);
color: var(--charcoal);
padding-left: 0.28rem;
}
/* 右侧操作区 */
.nav-actions {
display: flex;
align-items: center;
gap: 0.16rem;
}
.lang-switch {
position: relative;
display: flex;
align-items: center;
}
.lang-current {
display: flex;
align-items: center;
gap: 0.04rem;
background: none;
border: none;
color: var(--text-on-dark);
font-size: var(--font14);
font-weight: 500;
font-family: inherit;
cursor: pointer;
padding: 0.05rem 0.1rem;
border-radius: var(--radius-sm);
transition: var(--transition);
}
.lang-current:hover { color: var(--white); background: rgba(255, 255, 255, 0.1); }
.lang-caret {
width: 0;
height: 0;
margin-left: 0.035rem;
border-left: 0.05rem solid transparent;
border-right: 0.05rem solid transparent;
border-top: 0.07rem solid currentColor;
opacity: 0.75;
transition: transform var(--transition);
}
.lang-menu li:nth-of-type(2){display:none;}
.lang-switch.open .lang-caret,
.lang-switch:hover .lang-caret { transform: rotate(180deg); }
.lang-menu {
position: absolute;
top: 100%;
right: 0;
min-width: 1.5rem;
margin-top: 0.12rem;
background: var(--white);
border-radius: var(--radius);
box-shadow: var(--shadow-lg);
padding: 0.06rem;
list-style: none;
opacity: 0;
visibility: hidden;
transform: translateY(-6px) scale(0.98);
transform-origin: top right;
transition: opacity 0.22s ease, transform 0.22s cubic-bezier(0.4, 0, 0.2, 1), visibility 0.22s;
z-index: 1200;
}
.lang-switch.open .lang-menu,
.lang-switch:hover .lang-menu { opacity: 1; visibility: visible; transform: translateY(0) scale(1); }
/* 悬停桥接：填补触发按钮与菜单间的 0.12rem 间隙，鼠标从按钮移向菜单时菜单不收起 */
.lang-menu::after {
content: "";
position: absolute;
left: 0;
right: 0;
top: -0.12rem;
height: 0.12rem;
}
.lang-menu li a {
position: relative;
display: block;
padding: 0.09rem 0.16rem;
font-size: var(--font15);
color: var(--dark-gray);
white-space: nowrap;
border-radius: var(--radius-sm);
transition: var(--transition);
}
.lang-menu li a::before {
content: "";
position: absolute;
left: 0;
top: 50%;
transform: translateY(-50%);
width: 0.03rem;
height: 0;
background: var(--accent);
border-radius: 0 2px 2px 0;
transition: height 0.2s ease;
}
.lang-menu li a:hover,
.lang-menu li a.active {
background: var(--bg-light);
color: var(--accent);
padding-left: 0.2rem;
}
.lang-menu li a:hover::before,
.lang-menu li a.active::before { height: 56%; }
.btn-nav-quote {
padding: 0.1rem 0.24rem;
background: var(--accent);
color: var(--white);
font-size: var(--font14);
font-weight: 600;
border-radius: var(--radius);
transition: var(--transition);
}
.btn-nav-quote:hover {
background: var(--accent-hover);
transform: translateY(-1px);
box-shadow: 0 0 0.2rem rgba(22, 104, 227, 0.3);
}
/* 移动端菜单按钮 */
.menu-toggle {
display: none;
width: 0.4rem;
height: 0.32rem;
cursor: pointer;
flex-direction: column;
justify-content: space-between;
z-index: 1000;
}
.menu-toggle span {
display: block;
width: 100%;
height: 2px;
background: var(--white);
border-radius: 2px;
transition: var(--transition);
}
.menu-toggle.active span:nth-child(1) { transform: translateY(0.15rem) rotate(45deg); }
.menu-toggle.active span:nth-child(2) { opacity: 0; }
.menu-toggle.active span:nth-child(3) { transform: translateY(-0.15rem) rotate(-45deg); }
.navbar.scrolled .menu-toggle span { background: var(--charcoal); }
.navbar.scrolled .menu-toggle.active span { background: var(--charcoal); }
/* 移动端抽屉导航 */
.wap-nav {
display: block;
position: fixed;
top: 0;
right: -100%;
width: 72%;
height: 100%;
background: var(--white);
z-index: 9999;
overflow-y: auto;
transition: right 0.35s ease;
box-shadow: -0.02rem 0 0.12rem rgba(0, 0, 0, 0.12);
}
.wap-nav.active { right: 0; }
.wap-nav-header {
display: flex;
justify-content: flex-end;
align-items: center;
padding: 0.14rem 0.18rem;
border-bottom: 1px solid #eee;
}
.wap-nav-close {
font-size: var(--font70);
color: var(--charcoal);
cursor: pointer;
line-height: 1;
font-weight: 300;
padding: 0.04rem 0.1rem;
}
.wap-nav-lang {
display: flex;
align-items: center;
gap: 0.1rem;
padding: 0.14rem 0.24rem;
border-bottom: 1px solid #eee;
background: #fafafa;
}
.wap-lang-label {
font-size: var(--font13);
color: var(--light-gray);
margin-right: 0.08rem;
}
.wap-lang-btn {
display: inline-block;
padding: 0.07rem 0.2rem;
font-size: var(--font14);
color: var(--mid-gray);
border: 1px solid var(--border-gray);
border-radius: 100px;
background: var(--white);
text-decoration: none;
transition: var(--transition);
box-shadow: 0 1px 3px rgba(0,0,0,0.04);
}
.wap-lang-btn:hover { color: var(--accent); border-color: var(--accent); box-shadow: 0 2px 8px rgba(22,104,227,0.12); }
.wap-lang-btn.active { color: var(--accent); border-color: var(--accent); background: var(--accent-soft); font-weight: 600; }
.wap-lang-btn:last-child{display:none;}
.wap-nav-list { list-style: none; margin: 0; padding: 0; }
.wn-item { border-bottom: 1px solid #f5f5f5; }
.wn-item > a {
display: block;
padding: 0.16rem 0.22rem;
font-size: var(--font16);
color: var(--charcoal);
font-weight: 500;
}
.wn-item.active > a, .wn-item > a:hover { color: var(--accent); }
.wn-title {
display: flex;
align-items: center;
justify-content: space-between;
padding: 0.16rem 0.22rem;
font-size: var(--font16);
color: var(--charcoal);
font-weight: 500;
cursor: pointer;
}
.wn-title:hover { color: var(--accent); }
.wn-arrow {
position: relative;
display: inline-block;
width: 0.32rem;
height: 0.32rem;
flex-shrink: 0;
margin-left: 0.1rem;
cursor: pointer;
}
.wn-arrow::after {
content: "";
position: absolute;
top: 50%;
left: 50%;
transform: translate(-50%, -50%);
width: 0;
height: 0;
border-left: 0.12rem solid transparent;
border-right: 0.12rem solid transparent;
border-top: 0.14rem solid #999;
transition: transform 0.25s ease;
}
.wn-has-child.open .wn-arrow::after { transform: translate(-50%, -50%) rotate(180deg); }
.wn-sub {
display: none;
list-style: none;
margin: 0;
padding: 0 0 0.08rem 0.28rem;
background: #fafafa;
}
.wn-sub li a {
display: block;
padding: 0.12rem 0.22rem;
font-size: var(--font14);
color: var(--mid-gray);
}
.wn-sub li a:hover { color: var(--accent); }
.wap-nav-mask {
display: none;
position: fixed;
top: 0; left: 0;
width: 100%; height: 100%;
background: rgba(0, 0, 0, 0.45);
z-index: 9998;
}
.wap-nav-mask.show { display: block; }
/* ========== Hero Banner（全屏深色首屏） ========== */
.hero {
position: relative;
overflow: hidden;
margin-top: var(--navbar-h);
min-height: calc(100vh - var(--navbar-h));
background: var(--charcoal-2);
}
.hero .swiper-container,
.hero .banner-swiper { position: absolute; inset: 0; width: 100%; height: 100%; }
.hero .swiper-slide {
position: relative;
width: 100%; height: 100%;
background-size: cover;
background-position: center;
}
.hero .swiper-slide::after {
content: "";
position: absolute;
inset: 0;
background: linear-gradient(90deg, rgba(10,10,10,0.82) 0%, rgba(10,10,10,0.45) 55%, rgba(10,10,10,0.2) 100%);
}
/* 内容容器：填满 hero 高度并垂直居中 */
.hero .hero-bg-content {
position: relative;
z-index: 5;
min-height: calc(100vh - var(--navbar-h));
display: flex;
align-items: center;
}
.hero-arrows {
position: absolute;
top: 50%;
left: 0; right: 0;
z-index: 10;
transform: translateY(-50%);
pointer-events: none;
display: flex;
justify-content: space-between;
padding: 0 0.9rem;
}
.hero-arrow {
width: 0.5rem; height: 0.5rem;
display: flex; align-items: center; justify-content: center;
background: rgba(255,255,255,0.08);
border: 1px solid rgba(255,255,255,0.12);
border-radius: 50%;
color: rgba(255,255,255,0.6);
font-size: 0.22rem;
cursor: pointer;
pointer-events: auto;
transition: var(--transition);
}
.hero-arrow:hover { background: rgba(255,255,255,0.16); color: var(--white); }
.hero-dots {
position: absolute;
bottom: 1.0rem;
right: 0.48rem;
z-index: 10;
display: flex;
gap: 0.08rem;
}
.hero-dot {
width: 0.1rem; height: 0.1rem;
border-radius: 50%;
background: rgba(255,255,255,0.2);
border: none;
cursor: pointer;
transition: var(--transition);
padding: 0;
}
.hero-dot.active { width: 0.28rem; border-radius: 0.05rem; background: var(--accent); }
.hero-dot:hover { background: rgba(255,255,255,0.4); }
.hero-inner {
position: relative;
z-index: 10;
width: 100%;
padding: 1.4rem 0 1.8rem;
}
.hero-content { max-width: 7.2rem; color: var(--white); }
.hero-label {
display: inline-flex;
align-items: center;
gap: 0.08rem;
padding: 0.06rem 0.16rem;
background: rgba(255,255,255,0.06);
border: 1px solid rgba(255,255,255,0.15);
border-radius: 100px;
font-size: var(--font12);
font-weight: 500;
color: var(--light-gray);
letter-spacing: 1px;
text-transform: uppercase;
margin-bottom: 0.28rem;
}
.hero-label .dot { width: 0.06rem; height: 0.06rem; background: var(--accent); border-radius: 50%; }
.hero-title {
font-size: 0.58rem;
font-weight: 700;
line-height: 1.1;
letter-spacing: -1.5px;
margin-bottom: 0.24rem;
}
.hero-title .highlight { color: var(--accent); }
.hero-desc {
font-size: var(--font17, 17px);
line-height: 1.8;
color: rgba(255,255,255,0.72);
margin-bottom: 0.48rem;
max-width: 6rem;
}
.hero-buttons { display: flex; gap: 0.16rem; flex-wrap: wrap; }
.btn-primary-hero {
display: inline-flex; align-items: center; gap: 0.08rem;
padding: 0.16rem 0.36rem;
background: var(--accent);
color: var(--white);
font-size: var(--font14);
font-weight: 600;
border-radius: var(--radius);
transition: var(--transition);
}
.btn-primary-hero:hover {
background: var(--accent-hover);
transform: translateY(-2px);
box-shadow: 0 0 0.24rem rgba(22,104,227,0.35);
}
.btn-outline {
display: inline-flex; align-items: center; gap: 0.08rem;
padding: 0.16rem 0.36rem;
background: transparent;
color: var(--white);
font-size: var(--font14);
font-weight: 600;
border: 1.5px solid rgba(255,255,255,0.3);
border-radius: var(--radius);
transition: var(--transition);
}
.btn-outline:hover { border-color: var(--white); background: rgba(255,255,255,0.06); transform: translateY(-2px); }
.btn-outline .arrow { font-size: 0.18rem; transition: transform 0.3s; }
.btn-outline:hover .arrow { transform: translateX(0.04rem); }
.hero-info-bar {
position: absolute;
bottom: 0; left: 0;
width: 100%;
z-index: 10;
background: linear-gradient(180deg, transparent, rgba(0,0,0,0.6));
padding: 0.53rem 0 0.75rem;
}
.hero-info-grid { display: flex; align-items: center; gap: 0.48rem; }
.hero-info-item {
display: flex; align-items: center; gap: 0.12rem;
padding: 0.08rem 0.16rem;
background: rgba(0,0,0,0.25);
border: 1px solid rgba(255,255,255,0.06);
border-radius: var(--radius);
color: rgba(255,255,255,0.45);
font-size: var(--font13);
}
.hero-info-item .icon {
width: 0.36rem; height: 0.36rem;
display: flex; align-items: center; justify-content: center;
background: rgba(255,255,255,0.08);
border: 1px solid rgba(255,255,255,0.1);
border-radius: 50%;
font-size: var(--font14);
flex-shrink: 0;
}
.hero-info-item strong { color: rgba(255,255,255,0.85); font-weight: 600; display: block; font-size: var(--font14); }
.hero-info-item span { color: rgba(255,255,255,0.4); font-size: var(--font12); }
/* ========== Why Choose Us（大底图悬浮） ========== */
.why-banner {
position: relative;
overflow: hidden;
display: flex;
align-items: center;
background: var(--charcoal-2);
padding: 1rem 0;
}
.why-bg { position: absolute; inset: 0; z-index: 1; }
.why-bg img { width: 100%; height: 100%; object-fit: cover; filter: brightness(0.5) contrast(1.1); }
.why-bg::after {
content: ""; position: absolute; inset: 0;
background: linear-gradient(90deg, rgb(0 0 0 / 32%) 0%, rgb(0 0 0 / 32%) 55%, rgb(0 0 0 / 14%) 100%);
}
.why-inner { position: relative; z-index: 10; width: 100%; }
.why-section-head { margin-bottom: 0.48rem; text-align: center; }
.why-label {
font-size: var(--font12); font-weight: 600; color: rgba(255,255,255,0.9);
letter-spacing: 3px; text-transform: uppercase; margin-bottom: 0.12rem; display: block;
}
.why-section-head h2 {
font-size: var(--font38); font-weight: 700; color: var(--white);
line-height: 1.12; letter-spacing: -1px; margin-bottom: 0.12rem;
text-shadow: 0 2px 14px rgba(0,0,0,0.5);
}
.why-desc {
font-size: var(--font16); margin: 0 auto; color: rgba(255,255,255,0.85);
max-width: 6rem; line-height: 1.7; text-shadow: 0 1px 6px rgba(0,0,0,0.4);
}
.why-divider {
width: 0.4rem; height: 0.03rem;
background: var(--accent); border-radius: 2px;
margin: 0 auto 0.28rem auto;
}
.why-tags { display: flex; gap: 0.16rem; margin-bottom: 0.3rem; flex-wrap: wrap; }
.why-tag {
display: flex; align-items: flex-start; gap: 0.14rem;
padding: 0.18rem 0.24rem;
background: rgb(0 0 0 / 9%);
backdrop-filter: blur(10px);
border: 1px solid rgba(255,255,255,0.12);
border-radius: var(--radius-lg);
min-width: 2rem; flex: 1;
transition: var(--transition);
}
.why-tag:hover { background: rgba(0,0,0,0.68); border-color: rgba(255,255,255,0.22); transform: translateY(-2px); }
.why-tag-icon {
width: 0.4rem; height: 0.4rem;
display: flex; align-items: center; justify-content: center;
background: var(--accent); border-radius: 8px; flex-shrink: 0;
}
.why-tag-icon svg { width: 0.22rem; height: 0.22rem; color: #fff; }
.why-tag-content h4 { font-size: var(--font14); font-weight: 600; color: var(--white); margin-bottom: 0.02rem; }
.why-tag-content p { font-size: var(--font12); color: rgba(255,255,255,0.72); line-height: 1.5; }
.why-stats { display: grid; grid-template-columns: repeat(4, 1fr); gap: 0.16rem; }
.why-stat {
display: flex; align-items: center; gap: 0.16rem;
padding: 0.2rem 0.24rem;
background: rgb(0 0 0 / 9%);
backdrop-filter: blur(10px);
border: 1px solid rgba(255,255,255,0.1);
border-radius: var(--radius-lg);
transition: var(--transition);
}
.why-stat:hover { background: rgba(0,0,0,0.64); border-color: rgba(255,255,255,0.18); transform: translateY(-2px); }
.why-stat-icon {
width: 0.44rem; height: 0.44rem;
display: flex; align-items: center; justify-content: center;
background: rgba(255,255,255,0.12); border-radius: 10px; flex-shrink: 0; overflow: hidden;
}
.why-stat-icon svg { width: 0.26rem; height: 0.26rem; color: rgba(255,255,255,0.92); }
.why-stat-content h3 { font-size: var(--font22); font-weight: 700; color: var(--white); line-height: 1.2; margin-bottom: 0.02rem; }
.why-stat-content p { font-size: var(--font12); color: rgba(255,255,255,0.75); font-weight: 500; }
/* ========== 通用区块 ========== */
.section { padding: 1rem 0; }
.news-section{padding-top:0.5rem;}
.section-alt { background: var(--bg-light); }
/* ========== 产品分类 ========== */
.categories-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 0.24rem; }
.category-card {
background: var(--white);
border: 1px solid var(--border-gray);
border-radius: var(--radius);
overflow: hidden;
transition: var(--transition);
position: relative;
cursor: pointer;
text-decoration: none;
}
.category-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); border-color: transparent; }
.category-badge {
position: absolute; top: 0.12rem; left: 0.12rem; z-index: 5;
padding: 0.04rem 0.12rem;
background: var(--accent); color: #fff;
font-size: var(--font11, 11px); font-weight: 700; letter-spacing: 0.5px;
border-radius: 4px; text-transform: uppercase;
}
.category-img { width: 100%; height: 2.2rem; background: var(--bg-gray); overflow: hidden; }
.category-img img { width: 100%; height: 100%; object-fit: cover; filter: grayscale(15%); transition: var(--transition); }
.category-card:hover .category-img img { filter: grayscale(0); transform: scale(1.06); }
.category-body { padding: 0.24rem; }
.category-body h3 { font-size: var(--font17, 17px); font-weight: 600; color: var(--charcoal); margin-bottom: 0.08rem; }
.category-body p { font-size: var(--font13); color: var(--mid-gray); margin-bottom: 0.16rem; line-height: 1.6; min-height: 0.42rem; }
.view-btn {
display: inline-flex; align-items: center; gap: 0.06rem;
padding: 0.08rem 0.16rem;
background: transparent;
border: 1px solid var(--accent);
color: var(--accent);
border-radius: var(--radius-sm);
font-size: var(--font12); font-weight: 600;
transition: var(--transition);
}
.view-btn::after { content: "→"; transition: transform 0.3s; }
.view-btn:hover { background: var(--accent); color: #fff; }
.view-btn:hover::after { transform: translateX(0.04rem); }
/* ========== 热销产品 ========== */
/* 产品筛选（对齐 A） */
.product-filters { display: flex; gap: 0.12rem; margin-bottom: 0.32rem; flex-wrap: wrap; }
.filter-btn { padding: 0.08rem 0.2rem; border: 1px solid var(--border-gray); border-radius: 100px; font-size: var(--font13); font-weight: 500; color: var(--mid-gray); cursor: pointer; transition: var(--transition); background: var(--white); }
.filter-btn:hover, .filter-btn.active { background: var(--charcoal); color: var(--white); border-color: var(--charcoal); }
/* 当前分类激活态：禁止点击（避免重复导航）+ 鼠标光标还原为默认 */
.filter-btn.active { cursor: default; pointer-events: none; }
.products-grid { display: grid; grid-template-columns: repeat(5, 1fr); gap: 0.2rem; }
.product-card {
background: var(--white);
border: 1px solid var(--border-gray);
border-radius: var(--radius);
overflow: hidden;
transition: var(--transition);
position: relative;
cursor: pointer;
text-decoration: none;
}
.product-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); border-color: transparent; }
.product-badge {
position: absolute; top: 0.08rem; left: 0.08rem; z-index: 5;
padding: 0.03rem 0.1rem;
background: #E83A3A; color: #fff;
font-size: var(--font10, 10px); font-weight: 700; letter-spacing: 0.3px;
border-radius: 4px; text-transform: uppercase;
}
.product-img {
width: 100%; aspect-ratio: 1;
background: var(--white);
display: flex; align-items: center; justify-content: center;
padding: 0.2rem; overflow: hidden;
}
.product-img img { width: 100%; height: 100%; object-fit: contain; filter: grayscale(10%); transition: var(--transition); }
.product-card:hover .product-img img { transform: scale(1.08); filter: grayscale(0); }
.product-body { padding: 0.16rem 0.18rem; }
.product-body h4 {
font-size: var(--font13); font-weight: 500; color: var(--dark-gray);
line-height: 1.5; margin-bottom: 0.12rem; min-height: 0.4rem;
display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden;
}
.product-card:hover .product-body h4 { color: var(--charcoal); }
.product-btn-action {
display: block;
font-size: var(--font12); font-weight: 600; color: var(--accent);
padding: 0.1rem 0;
text-align: center; transition: var(--transition);
}
.product-btn-action:hover { background: var(--accent); color: #fff; }
/* products.html 专属覆写：与首页 Hot Products 隔离（首页保持 5 列 + 无 border-top） */
.page-products .products-grid { grid-template-columns: repeat(4, 1fr); }
.page-products .product-btn-action { border-top: 1px solid var(--border-gray); padding: 0.12rem 0; }
/* ========== Our Story（深色左右分栏） ========== */
.our-story { background: var(--charcoal-2); }
.story-grid { display: grid; grid-template-columns: 1fr 1fr; min-height: 6rem; }
.story-panel {
display: flex; align-items: center;
padding: 1rem 0.8rem 1rem 1.6rem;
background: #111111;
position: relative;
}
.story-panel::after {
content: ""; position: absolute; right: -1px; top: 15%; height: 70%; width: 1px;
background: linear-gradient(180deg, transparent, rgba(255,255,255,0.12), transparent);
}
.story-content { max-width: 5.2rem; }
.story-label { font-size: var(--font12); font-weight: 600; color: var(--light-gray); letter-spacing: 3px; text-transform: uppercase; margin-bottom: 0.16rem; }
.story-title { font-size: var(--font40); font-weight: 700; color: var(--white); line-height: 1.12; letter-spacing: -1px; margin-bottom: 0.2rem; }
.story-divider { width: 0.4rem; height: 0.03rem; background: var(--accent); border-radius: 2px; margin-bottom: 0.28rem; }
.story-text { font-size: var(--font15); line-height: 1.8; color: rgba(255,255,255,0.65); margin-bottom: 0.36rem; }
.story-tags { display: flex; gap: 0.12rem; margin-bottom: 0.4rem; flex-wrap: wrap; }
.story-tag {
padding: 0.08rem 0.2rem;
background: rgba(255,255,255,0.04);
border: 1px solid rgba(255,255,255,0.08);
border-radius: 100px;
font-size: var(--font13); font-weight: 500; color: rgba(255,255,255,0.65);
transition: var(--transition);
}
.story-tag:hover { border-color: rgba(255,255,255,0.2); background: rgba(255,255,255,0.07); }
.btn-solid {
display: inline-flex; align-items: center; gap: 0.1rem;
padding: 0.16rem 0.36rem;
background: var(--accent); color: #fff;
font-size: var(--font14); font-weight: 600;
border-radius: var(--radius); transition: var(--transition);
}
.btn-solid:hover { background: var(--accent-hover); transform: translateY(-2px); box-shadow: 0 0 0.24rem rgba(22,104,227,0.25); }
.btn-solid .arrow { font-size: 0.18rem; transition: transform 0.3s;}
.btn-solid:hover .arrow { transform: translateX(0.04rem); }
/* 通用主按钮（浅底场景）：蓝底白字，对齐 A 项目 .btn-primary；深底场景由 .solution-cta/.faq-cta 等局部覆写 */
.btn-primary {
display: inline-flex; align-items: center; gap: 0.08rem;
padding: 0.14rem 0.32rem;
background: var(--accent); color: var(--white);
font-size: var(--font15); font-weight: 600;
border-radius: var(--radius); transition: var(--transition);
}
.btn-primary:hover { background: var(--accent-hover); transform: translateY(-0.02rem); box-shadow: 0 0.08rem 0.24rem rgba(22,104,227,0.25); }
.story-image { position: relative; overflow: hidden; }
.story-image img { width: 100%; height: 100%; object-fit: cover; object-position: 75% center; filter: brightness(0.85) contrast(1.1); }
.story-image::after { content: ""; position: absolute; inset: 0; background: linear-gradient(90deg, rgba(17,17,17,0.3) 0%, transparent 30%); }
/* ========== 合作伙伴 ========== */
.partners-section { padding: 0.8rem 0; background: var(--white); border-top: 1px solid var(--border-gray); border-bottom: 1px solid var(--border-gray); }
.partners-head { text-align: center; margin-bottom: 0.48rem; }
.partners-head h3 { font-size: var(--font24); font-weight: 600; color: var(--charcoal); margin-bottom: 0.08rem; }
.partners-head p { font-size: var(--font14); color: var(--mid-gray); }
.partners-logos { display: flex; align-items: center; justify-content: center; gap: 0.5rem; flex-wrap: wrap; }
.partner-logo {
height: 1rem; display: flex; align-items: center; justify-content: center;
opacity: 0.4; filter: grayscale(100%); transition: var(--transition); padding: 0 0.1rem;
}
.partner-logo a{height: 1rem;}
.partner-logo img { height: 100%; width: auto; object-fit: contain; }
.partner-logo:hover { opacity: 0.85; filter: grayscale(0); }
/* ========== 新闻列表 ========== */
.news-section { background: var(--bg-light); }
.news-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 0.2rem; }
.news-card {
display: flex; flex-direction: column;
background: var(--white); border-radius: var(--radius); overflow: hidden;
box-shadow: 0 2px 12px rgba(0,0,0,0.06); transition: var(--transition);
text-decoration: none;
}
.news-card:hover { transform: translateY(-0.03rem); box-shadow: var(--shadow-md); }
.news-card-img { width: 100%; height: 2rem; overflow: hidden; }
.news-card-img img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.4s; }
.news-card:hover .news-card-img img { transform: scale(1.05); }
.news-card-body { flex: 1; padding: 0.24rem; }
.news-card-title { font-size: var(--font16); font-weight: 600; color: var(--charcoal); line-height: 1.4; margin-bottom: 0.1rem; }
.news-card:hover .news-card-title { color: var(--accent); }
.news-card-date { font-size: var(--font12); color: var(--light-gray); display: block; margin-bottom: 0.08rem; }
.news-card-excerpt { font-size: var(--font13); color: var(--mid-gray); line-height: 1.6; margin-bottom: 0.1rem; }
.news-card-footer { display: flex; align-items: center; justify-content: space-between; padding: 0.12rem 0.2rem; border-top: 1px solid #f0f0f0; margin-top: 0.1rem; }
.news-card-tag { font-size: var(--font12); color: var(--accent); background: var(--accent-soft); padding: 0.02rem 0.08rem; border-radius: 2px; }
.news-card-arrow { font-size: var(--font16); color: var(--light-gray); transition: var(--transition); }
.news-card:hover .news-card-arrow { color: var(--accent); transform: translateX(0.04rem); }
/* --- News Detail --- */
.nd-article { background: var(--white); border-radius: var(--radius); padding: 0.4rem; box-shadow: 0 2px 12px rgba(0,0,0,0.06); }
.nd-title { font-size: var(--font30); font-weight: 700; color: var(--charcoal); line-height: 1.3; margin-bottom: 0.16rem; }
.nd-meta { display: flex; align-items: center; font-size: var(--font13); color: var(--light-gray); padding-bottom: 0.16rem; margin-bottom: 0.24rem; border-bottom: 1px solid var(--border-gray); }
.nd-meta .nd-date { margin-right: 0.3rem; }
.nd-meta .nd-views::before { content: "·"; margin-right: 0.3rem; color: var(--border-gray); }
.nd-meta .nd-date,.nd-meta .nd-views{display:flex;align-items: center;}
.nd-meta .nd-date svg,.nd-meta .nd-views svg{margin-right:0.06rem;}
.nd-cover { width: 100%; max-height: 4.6rem; overflow: hidden; border-radius: var(--radius); margin-bottom: 0.3rem; background: var(--bg-light); }
.nd-cover img { width: 100%; display: block; max-height: 4.6rem; object-fit: cover; }
.nd-content { font-size: var(--font15); color: var(--mid-gray); line-height: 1.9; }
.nd-content p { margin-bottom: 0.18rem; }
.nd-nav { display: flex; justify-content: space-between; gap: 0.2rem; margin: 0.4rem 0; }
.nd-nav a { flex: 1; display: flex; flex-direction: column; gap: 0.05rem; padding: 0.18rem 0.24rem; background: var(--white); border: 1px solid var(--border-gray); border-radius: var(--radius); font-size: var(--font14); color: var(--charcoal); transition: var(--transition); text-decoration: none; }
.nd-nav a:hover { border-color: var(--accent); color: var(--accent); }
.nd-nav a.disabled { opacity: 0.4; pointer-events: none; border-style: dashed; }
.nd-nav .nd-next { text-align: right; align-items: flex-end; }
.nd-nav .nd-nav-label { font-size: var(--font12); color: var(--light-gray); }
.nd-nav .nd-nav-title { font-weight: 600; line-height: 1.4; }
.nd-recommend { margin-top: 0.5rem; }
.nd-recommend .nd-rec-head { font-size: var(--font22); font-weight: 700; color: var(--charcoal); margin-bottom: 0.24rem; }
/* ========== FAQ ========== */
.faq-section { background: var(--white); }
.faq-layout { display: grid; grid-template-columns: 280px 1fr; gap: 0.56rem; align-items: start; }
.faq-sidebar { position: sticky; top: 0.96rem; }
.faq-sidebar-title { font-size: var(--font13); font-weight: 600; color: var(--mid-gray); text-transform: uppercase; letter-spacing: 2px; margin-bottom: 0.16rem; }
.faq-cat-nav { display: flex; flex-direction: column; gap: 0.06rem; }
.faq-cat-link { display: flex; align-items: center; justify-content: space-between; padding: 0.14rem 0.18rem; border-radius: var(--radius); font-size: var(--font14); font-weight: 500; color: var(--dark-gray); cursor: pointer; transition: var(--transition); border: 1px solid transparent; }
.faq-cat-link:hover { background: var(--bg-light); color: var(--charcoal); }
.faq-cat-link.active { background: var(--charcoal); color: #fff; }
.faq-cat-link .count { font-size: var(--font12); font-weight: 600; color: var(--light-gray); }
.faq-cat-link.active .count { color: rgba(255,255,255,0.6); }
.faq-help-card { margin-top: 0.24rem; background: var(--accent); border-radius: var(--radius-lg); padding: 0.24rem; color: #fff; }
.faq-help-card h4 { font-size: var(--font16); font-weight: 600; margin-bottom: 0.08rem; }
.faq-help-card p { font-size: var(--font13); color: rgba(255,255,255,0.85); line-height: 1.6; margin-bottom: 0.16rem; }
.faq-help-card a { display: inline-flex; align-items: center; gap: 0.06rem; padding: 0.1rem 0.18rem; background: #fff; color: var(--accent); font-size: var(--font13); font-weight: 600; border-radius: var(--radius); transition: var(--transition); }
.faq-help-card a:hover { transform: translateY(-2px); box-shadow: 0 6px 18px rgba(0,0,0,0.18); }
.faq-search { position: relative; margin-bottom: 0.28rem; }
.faq-search input { width: 100%; padding: 0.16rem 0.2rem 0.16rem 0.48rem; border: 1px solid var(--border-gray); border-radius: var(--radius); font-size: var(--font14); font-family: inherit; color: var(--dark-gray); background: var(--white); transition: var(--transition); }
.faq-search input:focus { outline: none; border-color: var(--accent); box-shadow: 0 0 0 3px rgba(22,104,227,0.1); }
.faq-search .search-icon { display: flex;align-items: center;position: absolute; left: 0.18rem; top: 45%; transform: translateY(-50%); color: var(--light-gray); font-size: var(--font28); }
.faq-list { max-width: none; margin: 0; }
.faq-item { border: 1px solid var(--border-gray); border-radius: var(--radius); margin-bottom: 0.12rem; overflow: hidden; background: var(--white); transition: var(--transition); }
.faq-item:hover { border-color: rgba(22,104,227,0.5); box-shadow: var(--shadow-sm); }
.faq-question {
display: flex; align-items: center; justify-content: space-between; gap: 0.16rem;
padding: 0.22rem 0.24rem; cursor: pointer;
font-size: var(--font15); font-weight: 600; color: var(--dark-gray);
transition: var(--transition);
}
.faq-question:hover { color: var(--charcoal); }
.faq-question.active { color: var(--charcoal); }
.faq-toggle {
width: 0.28rem; height: 0.28rem;
display: flex; align-items: center; justify-content: center;
border-radius: 50%;
background: var(--bg-gray);
font-size: 0.24rem; color: var(--mid-gray); font-weight: 300; flex-shrink: 0;
transition: var(--transition);
}
.faq-question.active .faq-toggle { background: var(--accent); color: #fff; transform: rotate(45deg); }
.faq-answer { max-height: 0; overflow: hidden; transition: max-height 0.3s ease-out, padding 0.3s; }
.faq-answer.open { max-height: 4rem; padding: 0 0.24rem 0.2rem; }
.faq-answer p { font-size: var(--font14); color: var(--mid-gray); line-height: 1.8; }
/* ===== 首页 FAQ：对标 A 项目（细线分隔 / 纯 + 号 / 默认展开首项 / 互斥） ===== */
.faq-col .faq-col-title { font-size: var(--font24); font-weight: 700; color: var(--charcoal); margin-bottom: 0.24rem; }
.faq-col .faq-list { max-width: none; margin: 0; }
.faq-col .faq-item {
border: none; border-radius: 0; margin-bottom: 0; overflow: visible;
background: none; box-shadow: none;
border-bottom: 1px solid var(--border-gray);
}
/* .faq-col .faq-item:last-child { border-bottom: none; } */
.faq-col .faq-item:first-child { border-top: 1px solid var(--border-gray); }
.faq-col .faq-item:hover { border-color: var(--border-gray); box-shadow: none; }
.faq-col .faq-question {
padding: 0.2rem 0;
font-size: var(--font16); font-weight: 500; color: var(--charcoal);
}
.faq-col .faq-question:hover { color: var(--accent); }
/* .faq-col .faq-question.active { color: var(--accent); } */
/* 首页 FAQ 折叠符号：独立隔离，参照 A 项目尺寸（24×24px，纯 + 无圆底） */
.faq-col .faq-toggle {
width: 0.24rem; height: 0.24rem;
background: none; border-radius: 0;
font-size: 0.24rem; color: var(--mid-gray); font-weight: 300; flex-shrink: 0;
}
.faq-col .faq-question.active .faq-toggle { background: none; color: var(--accent); }
.faq-col .faq-answer.open { padding: 0 0 0.22rem; }
.faq-cta { margin-top: 0.56rem; background: var(--bg-light); border-radius: var(--radius-lg); padding: 0.48rem; display: flex; align-items: center; justify-content: space-between; gap: 0.32rem; flex-wrap: wrap; }
.faq-cta-text h3 { font-size: var(--font24); font-weight: 700; color: var(--charcoal); margin-bottom: 0.08rem; }
.faq-cta-text p { font-size: var(--font15); color: var(--mid-gray); line-height: 1.6; }
/* ========== News + FAQ 双栏（A 项目风格） ========== */
.news-faq-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 0.6rem; }
.news-col-title, .faq-col-title { font-size: var(--font28); font-weight: 700; color: var(--charcoal); margin-bottom: 0.32rem; }
.news-list { display: flex; flex-direction: column; }
.news-item {
display: flex; gap: 0.2rem;
padding: 0.2rem 0;
border-bottom: 1px solid var(--border-gray);
transition: var(--transition);
cursor: pointer;
}
.news-item:first-child { padding-top: 0; }
.news-item:last-child { border-bottom: none; }
.news-item:hover { padding-left: 0.08rem; }
.news-thumb { width: 1.4rem; height: 1.0rem; background: var(--bg-gray); border-radius: 6px; flex-shrink: 0; overflow: hidden; }
.news-thumb img { width: 100%; height: 100%; object-fit: cover; filter: grayscale(25%); transition: var(--transition); }
.news-item:hover .news-thumb img { filter: grayscale(0); transform: scale(1.05); }
.news-content { flex: 1; min-width: 0; }
.news-date { font-size: var(--font12); color: var(--light-gray); font-weight: 500; margin-bottom: 0.06rem; letter-spacing: 0.5px; text-transform: uppercase; }
.news-title { font-size: var(--font15); font-weight: 600; color: var(--dark-gray); line-height: 1.5; margin-bottom: 0.06rem; transition: var(--transition); }
.news-item:hover .news-title { color: var(--charcoal); }
.news-excerpt { font-size: var(--font13); color: var(--mid-gray); line-height: 1.6; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.news-readmore { display: inline-block; font-size: var(--font12); font-weight: 600; color: var(--accent); margin-top: 0.08rem; transition: var(--transition); }
.news-readmore:hover { color: var(--accent-hover); padding-left: 0.04rem; }
/* ========== 内页 Banner（对齐 A：page-banner-bg img + label/title+蓝accent/divider/desc） ========== */
.inner-banner {
position: relative;
overflow: hidden;
margin-top: var(--navbar-h);
height: 6rem;
background: var(--bg-black, #1A1D23);
display: flex;
align-items: center;
}
.inner-banner-bg { position: absolute; inset: 0; z-index: 1; }
.inner-banner-bg img { width: 100%; height: 100%; object-fit: cover; display: block; filter: brightness(0.6) contrast(1.05); }
.inner-banner-bg::after { content: ""; position: absolute; inset: 0; background: linear-gradient(180deg, rgba(0,0,0,0.2) 0%, rgba(0,0,0,0.03) 100%); }
.inner-banner .container { position: relative; z-index: 10; width: auto; }
.inner-banner-inner { padding: 0.8rem 0; }
.ib-label {
display: block;
font-size: var(--font12);
font-weight: 600;
color: var(--light-gray);
letter-spacing: 0.03rem;
text-transform: uppercase;
margin-bottom: 0.12rem;
}
.ib-title {
font-size: var(--font48);
font-weight: 700;
color: var(--white);
line-height: 1.12;
letter-spacing: -0.01rem;
margin-bottom: 0.16rem;
text-shadow: 0 2px 14px rgba(0,0,0,0.55);
}
.ib-title .ib-accent { color: var(--accent); }
.ib-divider {
width: 0.4rem;
height: 0.03rem;
background: var(--accent);
border-radius: 2px;
margin-bottom: 0.24rem;
}
.ib-desc {
font-size: var(--font17);
color: rgba(255, 255, 255, 0.9);
max-width: 5.6rem;
line-height: 1.7;
text-shadow: 0 1px 8px rgba(0,0,0,0.5);
}
/* 面包屑 */
.breadcrumb-wrap { background: var(--bg-light); border-bottom: 1px solid var(--border-gray); }
.breadcrumb-wrap.bc-top { margin-top: var(--navbar-h); }
.breadcrumb { display: flex; align-items: center; flex-wrap: wrap; padding: 0.12rem 0; font-size: var(--font14); color: var(--light-gray); }
.breadcrumb a { color: var(--mid-gray); }
.breadcrumb a:hover { color: var(--accent); }
.breadcrumb .sep { margin: 0 0.08rem; color: var(--light-gray); }
.breadcrumb .current { color: var(--accent); }
/* ========== 关于我们页 ========== */
.about-story { display: grid; grid-template-columns: 1fr 1fr; gap: 0.6rem; align-items: center; }
.about-story .as-text h2 { font-size: var(--font32); font-weight: 700; color: var(--charcoal); margin-bottom: 0.24rem; line-height: 1.2; }
/* Our Story：两段 P 标签独立样式（首段大一号+深色，次段小一号+中灰，对齐 A 项目） */
.about-story .as-text p:first-of-type { font-size: var(--font16); color: var(--dark-gray); line-height: 1.8; margin-bottom: 0.2rem; }
.about-story .as-text p:last-of-type { font-size: var(--font15); color: var(--mid-gray); line-height: 1.8; margin-bottom: 0.2rem; }
.about-stats { display: grid; grid-template-columns: repeat(4, 1fr); gap: 0.2rem; margin-top: 0.32rem; }
.about-stat { text-align: center; }
.about-stat .num { font-size: var(--font32); font-weight: 800; color: var(--accent); line-height: 1; letter-spacing: -0.5px; }
.about-stat .lbl { margin-top: 0.06rem; font-size: var(--font12); color: var(--mid-gray); }
.about-story .as-img { border-radius: var(--radius-lg); overflow: hidden; height: 4rem; }
.about-story .as-img img { width: 100%; height: 100%; object-fit: cover; box-shadow: var(--shadow-md); }
.journey { background: var(--bg-light); }
.journey .section-head { text-align: center; margin-bottom: 0.5rem; }
.timeline { position: relative; max-width: 8.8rem; margin: 0 auto; padding: 0.08rem 0; }
.timeline::before { content: ""; position: absolute; top: 0.14rem; bottom: 0.14rem; left: 1.5rem; width: 2px; background: linear-gradient(180deg, var(--accent) 0%, rgba(22,104,227,0.15) 100%); }
.timeline-item { position: relative; display: grid; grid-template-columns: 1.5rem 1fr; column-gap: 0.48rem; margin-bottom: 0.44rem; }
.timeline-item:last-child { margin-bottom: 0; }
.timeline-year { text-align: right; padding-top: 0.04rem; padding-right: 0.44rem; }
.timeline-year .y { display: block; font-size: var(--font30); font-weight: 800; color: var(--accent); letter-spacing: -0.5px; line-height: 1; }
.timeline-year .idx { display: block; margin-top: 0.08rem; font-size: var(--font12); font-weight: 600; color: var(--mid-gray); letter-spacing: 2px; }
.timeline-content {
position: relative; background: var(--white); border: 1px solid var(--border-gray); border-radius: var(--radius-lg);
padding: 0.22rem 0.26rem; box-shadow: var(--shadow-sm);
transition: transform 0.4s cubic-bezier(0.22, 1, 0.36, 1), box-shadow 0.4s ease, border-color 0.4s ease;
}
.timeline-content::before { content: ""; position: absolute; left: -0.48rem; top: 0.24rem; width: 0.48rem; height: 2px; background: var(--border-gray); }
.timeline-item:hover .timeline-content { transform: translateY(-3px); box-shadow: var(--shadow-md); border-color: rgba(22,104,227,0.4); }
.timeline-item::after {
content: ""; position: absolute; left: 1.5rem; top: 0.12rem; width: 0.16rem; height: 0.16rem;
-webkit-box-sizing: content-box; box-sizing: content-box;
background: var(--accent); border: 3px solid #fff; border-radius: 50%;
box-shadow: 0 0 0 3px rgba(22,104,227,0.25); transform: translateX(-50%); z-index: 2;
}
.timeline-title { font-size: var(--font17); font-weight: 600; color: var(--charcoal); margin-bottom: 0.08rem; }
.timeline-desc { font-size: var(--font14); color: var(--mid-gray); line-height: 1.65; }
.team-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 0.24rem; }
.team-card { background: #fff; border: 1px solid var(--border-gray); border-radius: var(--radius); overflow: hidden; text-align: center; transition: var(--transition); }
.team-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); }
.team-img { width: 100%; aspect-ratio: 1 / 1; background: var(--bg-gray); overflow: hidden; }
.team-img img { width: 100%; height: 100%; object-fit: cover; filter: grayscale(30%); transition: var(--transition); }
.team-card:hover .team-img img { filter: grayscale(0%); transform: scale(1.05); }
.team-body { padding: 0.2rem; }
.team-body h4 { font-size: var(--font16); font-weight: 600; color: var(--charcoal); margin-bottom: 0.04rem; }
.team-body .role { font-size: var(--font13); color: var(--accent); font-weight: 500; margin-bottom: 0.08rem; }
.team-body p { font-size: var(--font13); color: var(--mid-gray); line-height: 1.5; }
/* ========== 质检页（对齐 A 设计稿） ========== */
/* Intro */
.quality-intro { display: grid; grid-template-columns: 1fr 1fr; gap: 0.6rem; align-items: center; }
.quality-intro-text .section-label { display: inline-block; font-size: var(--font13); font-weight: 600; color: var(--mid-gray); text-transform: uppercase; letter-spacing: 2px; margin-bottom: 0.14rem; }
.quality-intro-text h2 { font-size: var(--font34); font-weight: 700; color: var(--charcoal); margin-bottom: 0.2rem; letter-spacing: -0.5px; line-height: 1.2; }
.quality-intro-text p { font-size: var(--font16); color: var(--mid-gray); line-height: 1.8; margin-bottom: 0.24rem; }
.quality-points { display: grid; gap: 0.14rem; }
.quality-points li { display: flex; gap: 0.12rem; align-items: flex-start; font-size: var(--font15); color: var(--dark-gray); line-height: 1.5; }
.quality-points li .qp-icon { width: 0.24rem; height: 0.24rem; flex-shrink: 0; border-radius: 50%; background: var(--accent-soft); color: var(--accent); display: flex; align-items: center; justify-content: center; font-size: var(--font13); font-weight: 700; margin-top: 1px; }
.quality-intro-media { border-radius: var(--radius-lg); overflow: hidden; height: 4.4rem; }
.quality-intro-media img { width: 100%; height: 100%; object-fit: cover; display: block; }
/* Certifications */
.cert-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 0.2rem; }
.cert-card { background: #fff; border: 1px solid var(--border-gray); border-radius: var(--radius); padding: 0.32rem 0.24rem; text-align: center; transition: var(--transition); }
.cert-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); border-top-color: var(--accent); }
.cert-icon { width: 0.72rem; height: 0.72rem; display: flex; align-items: center; justify-content: center; background: var(--bg-light); border-radius: 0.16rem; margin: 0 auto 0.2rem; font-size: 0.34rem; transition: var(--transition); }
.cert-card:hover .cert-icon { background: var(--accent-soft); }
.cert-card h4 { font-size: var(--font17, 17px); font-weight: 600; color: var(--charcoal); margin-bottom: 0.08rem; }
.cert-card p { font-size: var(--font13); color: var(--mid-gray); line-height: 1.6; }
/* QC Process steps */
.qc-process { display: grid; grid-template-columns: repeat(4, 1fr); gap: 0.2rem; }
.qc-step { background: #fff; border: 1px solid var(--border-gray); border-radius: var(--radius); padding: 0.32rem 0.24rem; text-align: center; transition: var(--transition); }
.qc-step:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); border-color: transparent; }
.qc-step-num { width: 0.56rem; height: 0.56rem; margin: 0 auto 0.18rem; border-radius: 50%; background: var(--accent); color: #fff; display: flex; align-items: center; justify-content: center; font-size: var(--font30); font-weight: 700; box-shadow: var(--shadow-md); }
.qc-step h4 { font-size: var(--font17, 17px); font-weight: 600; color: var(--charcoal); margin-bottom: 0.08rem; }
.qc-step p { font-size: var(--font13); color: var(--mid-gray); line-height: 1.6; }
/* QC gallery */
.qc-gallery { display: grid; grid-template-columns: repeat(3, 1fr); gap: 0.2rem; }
.qc-gallery-item { border-radius: var(--radius); overflow: hidden; box-shadow: var(--shadow-sm); position: relative; height: 2.6rem; }
.qc-gallery-item img { width: 100%; height: 100%; object-fit: cover; display: block; transition: var(--transition); filter: grayscale(15%); }
.qc-gallery-item:hover img { filter: grayscale(0); transform: scale(1.05); }
.qc-gallery-cap { position: absolute; left: 0; right: 0; bottom: 0; padding: 0.14rem 0.18rem; background: linear-gradient(180deg, transparent, rgba(0,0,0,0.7)); color: #fff; font-size: var(--font13); font-weight: 600; }
/* ========== 解决方案页（对齐 A 的 .solution-row / .solution-why / .solution-cta） ========== */
.solution-rows { padding-top: 0.08rem; }
.solution-row { display: grid; grid-template-columns: 1fr 1fr; gap: 0.56rem; align-items: center; padding: 0.52rem 0; border-bottom: 1px solid var(--border-gray); }
.solution-row:last-child { border-bottom: none; }
.solution-row:nth-child(even) .solution-media { order: 2; }
.solution-media { position: relative; border-radius: var(--radius-lg); overflow: hidden; box-shadow: var(--shadow-md); aspect-ratio: 16 / 11; background: var(--bg-gray); }
.solution-media img { width: 100%; height: 100%; object-fit: cover; filter: grayscale(15%); transition: var(--transition); }
.solution-row:hover .solution-media img { filter: grayscale(0%); transform: scale(1.04); }
.solution-num { display: inline-flex; align-items: center; justify-content: center; width: 0.52rem; height: 0.52rem; border-radius: 12px; background: var(--accent); color: var(--white); font-size: var(--font20); font-weight: 700; margin-bottom: 0.2rem; }
.solution-content h3 { font-size: var(--font28); font-weight: 700; color: var(--charcoal); margin-bottom: 0.14rem; letter-spacing: -0.5px; }
.solution-content p { font-size: var(--font15); color: var(--mid-gray); line-height: 1.75; margin-bottom: 0.22rem; }
.solution-features { display: flex; gap: 0.08rem; flex-wrap: wrap; margin-bottom: 0.24rem; }
.solution-feat { padding: 0.06rem 0.14rem; background: var(--bg-light); border: 1px solid var(--border-gray); border-radius: 100px; font-size: var(--font13); color: var(--dark-gray); font-weight: 500; transition: var(--transition); }
.solution-feat:hover { border-color: var(--accent); color: var(--accent); }
.solution-content .btn-outline { display: inline-flex; align-items: center; gap: 0.06rem; padding: 0.13rem 0.3rem; background: transparent; color: var(--charcoal); font-size: var(--font14); font-weight: 600; border: 1.5px solid var(--border-gray); border-radius: var(--radius); transition: var(--transition); }
.solution-content .btn-outline:hover { border-color: var(--charcoal); transform: translateY(-2px); }
.solution-why { display: grid; grid-template-columns: repeat(4, 1fr); gap: 0.24rem; }
.solution-why-card { background: var(--white); border: 1px solid var(--border-gray); border-radius: var(--radius); padding: 0.32rem 0.28rem; transition: var(--transition); text-align: center; }
.solution-why-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); border-top-color: var(--accent); }
.solution-why-icon { width: 0.56rem; height: 0.56rem; display: flex; align-items: center; justify-content: center; background: var(--bg-light); border-radius: 14px; margin: 0 auto 0.18rem; font-size: var(--font24); }
.solution-why-card h4 { font-size: var(--font16); font-weight: 600; color: var(--charcoal); margin-bottom: 0.08rem; }
.solution-why-card p { font-size: var(--font13); color: var(--mid-gray); line-height: 1.6; }
.solution-cta { background: #1668E3; border-radius: var(--radius-lg); padding: 0.64rem 0.48rem; text-align: center; color: var(--white); }
.solution-cta h3 { font-size: var(--font30); font-weight: 700; color: var(--white); margin-bottom: 0.14rem; letter-spacing: -0.5px; }
.solution-cta p { font-size: var(--font16); color: rgba(255,255,255,0.65); max-width: 5.4rem; margin: 0 auto 0.28rem; line-height: 1.7; }
.solution-cta .btn-primary { display: inline-flex; align-items: center; gap: 0.08rem; padding: 0.14rem 0.36rem; background: var(--white); color: var(--charcoal); font-size: var(--font15); font-weight: 600; border-radius: var(--radius); transition: var(--transition); }
.solution-cta .btn-primary:hover { background: var(--bg-gray); box-shadow: 0 8px 24px rgba(0,0,0,0.3); }
/* ========== 资源页 ========== */
/* 分类筛选 */
.resource-filters { display: flex; gap: 0.12rem; justify-content: center; margin-bottom: 0.48rem; flex-wrap: wrap; }
.resource-filter-btn { padding: 0.09rem 0.24rem; border: 1px solid var(--border-gray); border-radius: 100px; font-size: var(--font13); font-weight: 500; color: var(--mid-gray); cursor: pointer; transition: var(--transition); background: var(--white); }
.resource-filter-btn:hover { border-color: var(--charcoal); color: var(--charcoal); }
.resource-filter-btn.active { background: var(--charcoal); color: var(--white); border-color: var(--charcoal); }
.resource-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 0.24rem; }
.resource-card { background: var(--white); border: 1px solid var(--border-gray); border-radius: var(--radius-lg); overflow: hidden; display: flex; flex-direction: column; transition: var(--transition); cursor: pointer; position: relative; }
.resource-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); border-color: transparent; }
.resource-card.is-hidden { display: none; }
.resource-thumb { height: 1.48rem; background: linear-gradient(135deg, #1A1D23 0%, #374151 100%); position: relative; overflow: hidden; }
.resource-thumb img { width: 100%; height: 100%; object-fit: cover; display: block; transition: var(--transition); }
.resource-thumb::after { content: ""; position: absolute; inset: 0; background: radial-gradient(circle at 70% 20%, rgba(22,104,227,0.18), transparent 60%); }
.resource-card:hover .resource-thumb img { transform: scale(1.06); }
.resource-type-badge { position: absolute; top: 0.12rem; left: 0.12rem; z-index: 2; padding: 0.04rem 0.12rem; background: var(--accent); color: var(--white); font-size: var(--font11); font-weight: 700; letter-spacing: 0.5px; border-radius: 100px; text-transform: uppercase; }
.resource-type-badge.video { background: #0EA5E9; }
.resource-type-badge.link { background: var(--light-gray); }
.resource-card-body { padding: 0.24rem; display: flex; flex-direction: column; flex: 1; }
.resource-card h4 { font-size: var(--font16); font-weight: 600; color: var(--charcoal); margin-bottom: 0.08rem; line-height: 1.4; }
.resource-card p { font-size: var(--font13); color: var(--mid-gray); line-height: 1.7; margin-bottom: 0.16rem; flex: 1; }
.resource-meta { display: flex; align-items: center; gap: 0.14rem; font-size: var(--font12); color: var(--light-gray); padding-top: 0.14rem; margin-bottom: 0.16rem; border-top: 1px solid var(--border-gray); }
.resource-meta span { display: inline-flex; align-items: center; gap: 0.04rem; }
.resource-download { display: flex; align-items: center; justify-content: center; gap: 0.06rem; font-size: var(--font13); font-weight: 600; color: var(--accent); background: var(--bg-light); padding: 0.12rem 0; border-radius: var(--radius-sm); transition: var(--transition); text-align: center; }
.resource-card:hover .resource-download { background: var(--accent); color: var(--white); }
/* 资源页子栏目快捷入口（暂隐藏，需要时改回 display:flex 即可） */
.resource-cats { display: none; flex-wrap: wrap; gap: 0.16rem; margin-bottom: 0.32rem; }
.resource-cat-chip { display: inline-flex; align-items: center; gap: 0.08rem; font-size: var(--font14); font-weight: 600; color: var(--charcoal); background: var(--white); border: 1px solid var(--border-gray); border-radius: 100px; padding: 0.12rem 0.28rem; transition: var(--transition); }
.resource-cat-chip:hover { border-color: var(--accent); color: var(--accent); }
.resource-cat-chip .chip-arrow { font-size: var(--font13); transition: var(--transition); }
.resource-cat-chip:hover .chip-arrow { transform: translateX(3px); }
/* 资源页 CTA（蓝底 + 黑按钮，对齐 A） */
.resource-cta { margin-top: 0.64rem; background: #1668E3; color: var(--white); border-radius: var(--radius-lg); padding: 0.56rem 0.4rem; text-align: center; }
.resource-cta h3 { font-size: var(--font26); font-weight: 700; color: var(--white); margin-bottom: 0.12rem; }
.resource-cta p { font-size: var(--font15); color: rgba(255,255,255,0.65); max-width: 4.8rem; margin: 0 auto 0.28rem; line-height: 1.7; }
.resource-cta .btn-solid { background: #000; }
.resource-cta .btn-solid:hover { background: #000; opacity: 0.85; }
/* ========== 产品详情页（对齐 A） ========== */
.product-main { padding: 0.48rem 0 0.24rem; background: var(--white); }
.product-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 0.48rem; align-items: start; }
/* --- Image Gallery --- */
.gallery-wrap { position: static; }
.gallery-main { width: 100%; aspect-ratio: 1; background: var(--white); border: 1px solid var(--border-gray); border-radius: var(--radius-lg); overflow: hidden; position: relative; display: flex; align-items: center; justify-content: center; margin-bottom: 0.12rem; cursor: zoom-in; }
.gallery-main img { width: 100%; height: 100%; object-fit: contain; padding: 0.24rem; }
.gallery-zoom-hint { position: absolute; bottom: 0.12rem; right: 0.16rem; background: rgba(0,0,0,0.6); color: var(--white); padding: 0.04rem 0.1rem; border-radius: var(--radius-sm); font-size: var(--font11); pointer-events: none; opacity: 0; transition: opacity 0.3s; }
.gallery-main:hover .gallery-zoom-hint { opacity: 1; }
.gallery-badge { position: absolute; top: 0.14rem; left: 0.14rem; z-index: 2; background: #10B981; color: var(--white); padding: 0.05rem 0.13rem; border-radius: 100px; font-size: var(--font11); font-weight: 600; letter-spacing: 0.3px; box-shadow: 0 2px 8px rgba(16,185,129,0.3); }
.gallery-thumbs { display: flex; gap: 0.1rem; }
.gallery-thumb { width: 0.72rem; height: 0.72rem; border: 2px solid var(--border-gray); border-radius: var(--radius-sm); overflow: hidden; cursor: pointer; transition: var(--transition); display: flex; align-items: center; justify-content: center; padding: 0.04rem; background: #fff; }
.gallery-thumb:hover { border-color: var(--accent); }
.gallery-thumb.active { border-color: var(--accent); }
.gallery-thumb img { width: 100%; height: 100%; object-fit: contain; }
/* --- Product Info --- */
.product-info { padding-top: 0.08rem; }
.product-info .sku { font-size: var(--font12); color: var(--light-gray); margin-bottom: 0.08rem; letter-spacing: 0.5px; }
.product-info h1 { font-size: var(--font28); font-weight: 700; color: var(--charcoal); line-height: 1.3; margin-bottom: 0.16rem; letter-spacing: -0.5px; }
.product-rating { display: flex; align-items: center; gap: 0.08rem; margin-bottom: 0.2rem; }
.product-rating .stars { color: #F59E0B; font-size: 0.16rem; }
.product-rating .count { font-size: var(--font13); color: var(--mid-gray); }
.product-short-desc { font-size: var(--font15); color: var(--mid-gray); line-height: 1.7; margin-bottom: 0.24rem; padding-bottom: 0.24rem; border-bottom: 1px solid var(--border-gray); }
/* --- Specs Table --- */
.specs-table { width: 100%; border-collapse: collapse; margin-bottom: 0.24rem; font-size: var(--font14); }
.specs-table tr { border-bottom: 1px solid var(--border-gray); }
.specs-table td { padding: 0.1rem 0; vertical-align: top; }
.specs-table td:first-child { font-weight: 600; color: var(--dark-gray); width: 1.4rem; padding-right: 0.16rem; }
.specs-table td:last-child { color: var(--mid-gray); }
/* --- CTA Buttons --- */
.product-cta { display: flex; gap: 0.12rem; margin-bottom: 0.24rem; flex-wrap: wrap; }
.btn-buy { display: inline-flex; align-items: center; gap: 0.08rem; padding: 0.14rem 0.28rem; background: var(--accent); color: var(--white); font-size: var(--font15); font-weight: 600; border-radius: var(--radius); transition: var(--transition); }
.btn-buy:hover { background: var(--accent-hover); transform: translateY(-2px); box-shadow: 0 8px 24px rgba(22,104,227,0.3); }
.btn-whatsapp { display: inline-flex; align-items: center; gap: 0.08rem; padding: 0.14rem 0.28rem; background: #25D366; color: var(--white); font-size: var(--font15); font-weight: 600; border-radius: var(--radius); transition: var(--transition); }
.btn-whatsapp:hover { background: #1DA851; transform: translateY(-2px); box-shadow: 0 8px 24px rgba(37,211,102,0.3); }
.btn-inquiry-outline { display: inline-flex; align-items: center; gap: 0.08rem; padding: 0.14rem 0.2rem; background: transparent; color: var(--dark-gray); font-size: var(--font15); font-weight: 600; border: 1.5px solid var(--border-gray); border-radius: var(--radius); transition: var(--transition); }
.btn-inquiry-outline:hover { border-color: var(--charcoal); transform: translateY(-2px); }
/* --- Mini Inquiry（嵌入产品信息列，对齐 A .inquiry-mini） --- */
.inquiry-mini { background: var(--bg-light); border: 1px solid var(--border-gray); border-radius: var(--radius-lg); padding: 0.24rem; margin-top: 0.08rem; }
.inquiry-mini h4 { font-size: var(--font16); font-weight: 600; color: var(--charcoal); margin-bottom: 0.08rem; }
.inquiry-mini .sub { font-size: var(--font13); color: var(--mid-gray); margin-bottom: 0.16rem; }
.inquiry-mini-row { display: grid; grid-template-columns: 1fr 1fr; gap: 0.12rem; margin-bottom: 0.12rem; }
.inquiry-mini input, .inquiry-mini textarea { width: 100%; padding: 0.12rem 0.16rem; border: 1px solid var(--border-gray); border-radius: var(--radius-sm); font-size: var(--font14); font-family: inherit; transition: var(--transition); background: var(--white); }
.inquiry-mini input:focus, .inquiry-mini textarea:focus { outline: none; border-color: var(--accent); box-shadow: 0 0 0 3px var(--accent-soft); }
.inquiry-mini .imq-full { margin-bottom: 0.12rem; }
.inquiry-mini .imq-textarea { resize: vertical; min-height: 0.72rem; margin-bottom: 0.12rem; }
/* --- Feature Grid（Tab 0 内，对齐 A .feature-item） --- */
.feature-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 0.24rem; margin: 0.24rem 0; }
.feature-item { display: flex; gap: 0.14rem; align-items: flex-start; padding: 0.2rem; background: var(--bg-light); border-radius: var(--radius); }
.feature-icon { width: 0.48rem; height: 0.48rem; display: flex; align-items: center; justify-content: center; background: var(--charcoal); color: var(--white); border-radius: 0.1rem; font-size: var(--font20); flex-shrink: 0; }
.feature-item h4 { font-size: var(--font15); font-weight: 600; color: var(--charcoal); margin-bottom: 0.04rem; }
.feature-item p { font-size: var(--font13); color: var(--mid-gray); line-height: 1.5; }
/* --- Related Products（对齐 A .related-*） --- */
.related-section { padding: 0.64rem 0; background: var(--bg-light); border-top: 1px solid var(--border-gray); }
.related-head { margin-bottom: 0.32rem; }
.related-head h3 { font-size: 0.24rem; font-weight: 700; color: var(--charcoal); }
.related-card { background: var(--white); border: 1px solid var(--border-gray); border-radius: var(--radius); overflow: hidden; transition: var(--transition); cursor: pointer; text-decoration: none; }
.related-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); }
.related-img { width: 100%; aspect-ratio: 1; display: flex; align-items: center; justify-content: center; padding: 0.2rem; padding-bottom: 0;}
.related-img img { width: 100%; height: 100%; object-fit: cover; display:block;}
.related-body { padding: 0.14rem 0.16rem; }
.related-body h4 { font-size: var(--font13); font-weight: 500; color: var(--dark-gray); line-height: 1.4; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
/* Lightbox */
.lightbox-overlay { position: fixed; inset: 0; background: rgba(0,0,0,0.9); z-index: 9999; display: none; align-items: center; justify-content: center; cursor: zoom-out; }
.lightbox-overlay.open { display: flex; }
.lightbox-overlay img { max-width: 90vw; max-height: 90vh; object-fit: contain; }
.lightbox-close { position: absolute; top: 0.24rem; right: 0.32rem; color: var(--white); font-size: 0.32rem; cursor: pointer; z-index: 1; line-height: 1; }
/* 列表（Tab 内复用，保持 .pd-list） */
.pd-list { padding-left: 0.24rem; margin: 0.08rem 0 0.16rem; }
.pd-list li { font-size: var(--font14); color: var(--dark-gray); line-height: 1.8; list-style: disc; margin-bottom: 0.04rem; }
/* ========== Product Detail Tabs（A 项目风格：4 个 tab 切换） ========== */
.tabs-section { padding: 0 0 0.6rem; background: var(--white); }
.tabs-nav { display: flex; border-bottom: 2px solid var(--border-gray); margin-bottom: 0.32rem; flex-wrap: wrap; }
.tab-btn { padding: 0.18rem 0.32rem; font-size: var(--font15); font-weight: 500; color: var(--mid-gray); background: none; border: none; border-bottom: 3px solid transparent; margin-bottom: -2px; cursor: pointer; transition: var(--transition); }
.tab-btn:hover { color: var(--charcoal); }
.tab-btn.active { color: var(--accent); border-bottom-color: var(--accent); font-weight: 600; }
.tab-panel { display: none; }
.tab-panel.active { display: block; animation: fadeIn 0.3s ease; }
@keyframes fadeIn { from { opacity: 0; transform: translateY(8px); } to { opacity: 1; transform: translateY(0); } }
.desc-content h3 { font-size: var(--font20); font-weight: 700; color: var(--charcoal); margin: 0.24rem 0 0.12rem; }
.desc-content h3:first-child { margin-top: 0; }
.desc-content p { font-size: var(--font14); color: var(--dark-gray); line-height: 1.8; margin-bottom: 0.16rem; }
.specs-full { width: 100%; border-collapse: collapse; border: 1px solid var(--border-gray); border-radius: var(--radius); overflow: hidden; }
.specs-full th { background: var(--charcoal); color: #fff; font-size: var(--font14); font-weight: 600; padding: 0.14rem 0.24rem; text-align: left; }
.specs-full td { padding: 0.14rem 0.24rem; font-size: var(--font14); color: var(--dark-gray); border-bottom: 1px solid var(--border-gray); }
.specs-full tr:last-child td { border-bottom: none; }
.specs-full tbody tr:hover { background: var(--bg-light); }
.specs-full td:first-child { font-weight: 500; color: var(--charcoal); width: 30%; background: var(--bg-light); }
/* ===== Basic Information（产品参数区块，设计图样式：标题+分隔线行） ===== */
.basic-info-title { font-size: var(--font20, 0.2rem); font-weight: 700; text-transform: uppercase; letter-spacing: 0.01rem; color: var(--charcoal); padding-bottom: 0.12rem; border-bottom: 0.03rem solid var(--charcoal); margin-bottom: 0.04rem; }
.basic-info-list { list-style: none; margin: 0; padding: 0; }
.basic-info-list li { display: flex; align-items: center; justify-content: space-between; gap: 0.24rem; padding: 0.14rem 0.04rem; border-bottom: 1px solid var(--border-gray); }
.basic-info-list li:last-child { border-bottom: 0.02rem solid var(--charcoal); }
.basic-info-list .bi-label { font-size: var(--font14); font-weight: 600; text-transform: uppercase; letter-spacing: 0.005rem; color: var(--charcoal); flex-shrink: 0; }
.basic-info-list .bi-value { font-size: var(--font14); color: var(--mid-gray); text-align: right; word-break: break-word; }
.packaging-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 0.24rem; }
.packaging-card { background: var(--white); border: 1px solid var(--border-gray); border-radius: var(--radius); padding: 0.32rem 0.24rem; text-align: center; transition: var(--transition); }
.packaging-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); border-color: var(--accent); }
.packaging-card .icon { font-size: 0.42rem; margin-bottom: 0.12rem; }
.packaging-card h4 { font-size: var(--font16); font-weight: 600; color: var(--charcoal); margin-bottom: 0.08rem; }
.packaging-card p { font-size: var(--font13); color: var(--mid-gray); line-height: 1.6; }
.related-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 0.2rem; }
.btn-submit {
width: 100%; padding: 0.14rem; background: var(--accent); color: #fff;
font-size: var(--font15); font-weight: 600; border-radius: var(--radius); transition: var(--transition);
}
.btn-submit:hover { background: var(--accent-hover); }
/* ========== 联系页（对齐 A） ========== */
/* 快捷联系渠道 */
.contact-channels { display: grid; grid-template-columns: repeat(3, 1fr); gap: 0.24rem; margin-bottom: 0.64rem; }
.channel-card { background: var(--white); border: 1px solid var(--border-gray); border-radius: var(--radius-lg); padding: 0.32rem 0.28rem; transition: var(--transition); }
.channel-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); border-color: rgba(22,104,227,0.3); }
.channel-icon { width: 0.56rem; height: 0.56rem; border-radius: 0.14rem; background: var(--accent-soft); color: var(--accent); display: flex; align-items: center; justify-content: center; font-size: var(--font24); margin-bottom: 0.2rem; }
.channel-card h4 { font-size: var(--font18); font-weight: 600; color: var(--charcoal); margin-bottom: 0.08rem; }
.channel-card p { font-size: var(--font14); color: var(--mid-gray); line-height: 1.6; margin-bottom: 0.16rem; }
.channel-card a { display: inline-flex; align-items: center; gap: 0.06rem; font-size: var(--font14); font-weight: 600; color: var(--accent); transition: var(--transition); }
.channel-card a:hover { color: var(--accent-hover); gap: 0.1rem; }
/* 联系信息 + 表单 */
.contact-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 0.6rem; }
.contact-info h3 { font-size: var(--font28); font-weight: 700; color: var(--charcoal); margin-bottom: 0.16rem; }
.contact-info .lead { font-size: var(--font15); color: var(--mid-gray); line-height: 1.7; margin-bottom: 0.32rem; }
.contact-detail { display: flex; gap: 0.16rem; margin-bottom: 0.2rem; align-items: flex-start; padding: 0.16rem; border: 1px solid var(--border-gray); border-radius: var(--radius); background: var(--bg-light); transition: var(--transition); }
.contact-detail:hover { border-color: rgba(22,104,227,0.3); transform: translateX(0.04rem); }
.contact-detail-icon { width: 0.44rem; height: 0.44rem; display: flex; align-items: center; justify-content: center; background: var(--accent); border-radius: 0.12rem; font-size: var(--font18); flex-shrink: 0; color: var(--white); }
.contact-detail h4 { font-size: var(--font14); font-weight: 600; color: var(--charcoal); margin-bottom: 0.04rem; }
.contact-detail p { font-size: var(--font14); color: var(--mid-gray); line-height: 1.5; }
.contact-note { margin-top: 0.28rem; padding: 0.16rem 0.2rem; background: var(--bg-light); border-left: 3px solid var(--accent); border-radius: 0 var(--radius-sm) var(--radius-sm) 0; font-size: var(--font13); color: var(--mid-gray); line-height: 1.6; }
.contact-note strong { color: var(--charcoal); font-weight: 600; }
.contact-form-card { background: var(--white); border: 1px solid var(--border-gray); border-radius: var(--radius-lg); padding: 0.4rem; box-shadow: var(--shadow-md); }
.contact-form-head { display: flex; align-items: center; gap: 0.14rem; margin-bottom: 0.24rem; }
.contact-form-head .cf-icon { width: 0.46rem; height: 0.46rem; border-radius: 0.12rem; background: var(--accent-soft); color: var(--accent); display: flex; align-items: center; justify-content: center; font-size: var(--font20); flex-shrink: 0; }
.contact-form-head h3 { font-size: var(--font24); font-weight: 700; color: var(--charcoal); }
.contact-form-head p { font-size: var(--font13); color: var(--mid-gray); }
.form-group { margin-bottom: 0.2rem; }
.form-group label { display: block; font-size: var(--font13); font-weight: 600; color: var(--dark-gray); margin-bottom: 0.06rem; }
.form-group input, .form-group textarea, .form-group select { width: 100%; padding: 0.12rem 0.16rem; border: 1px solid var(--border-gray); border-radius: var(--radius-sm); font-size: var(--font14); font-family: inherit; color: var(--dark-gray); transition: var(--transition); background: var(--white); }
.form-group input:focus, .form-group textarea:focus, .form-group select:focus { outline: none; border-color: var(--accent); box-shadow: 0 0 0 0.03rem var(--accent-soft); }
.form-group textarea { min-height: 1.2rem; resize: vertical; }
.form-group.row-2col { display: grid; grid-template-columns: 1fr 1fr; gap: 0.16rem; }
/* ========== 页脚 ========== */
.footer { background: var(--footer-bg); color: var(--light-gray); padding: 0.8rem 0 0; position: relative;z-index: 1;}
.footer-grid { display: grid; grid-template-columns: 1.5fr 1fr 1fr 1.2fr; gap: 0.48rem; margin-bottom: 0.6rem; }
.footer-brand .footer-logo { margin-bottom: 0.16rem; }
.footer-brand .footer-logo img { height: 0.32rem; filter: brightness(0) invert(1); }
.footer-brand p { font-size: var(--font14); line-height: 1.7; margin-bottom: 0.2rem; color: var(--light-gray); }
.footer-col h4 { font-size: var(--font15); font-weight: 600; color: #fff; margin-bottom: 0.24rem; }
.footer-links li { margin-bottom: 0.12rem; }
.footer-links li a { font-size: var(--font14); color: var(--light-gray); transition: var(--transition); }
.footer-links li a:hover { color: #fff; padding-left: 0.04rem; }
.footer-contact p { font-size: var(--font14); color: var(--light-gray); margin-bottom: 0.12rem; line-height: 1.6; }
.footer-contact p strong { color: #fff; font-weight: 500; }
.footer-contact .btn-footer-quote { display: inline-block; margin-top: 0.12rem; padding: 0.1rem 0.24rem; background: var(--accent); color: #fff; font-size: var(--font14); font-weight: 600; border-radius: var(--radius); }
.footer-contact .btn-footer-quote:hover { background: var(--accent-hover); }
/* 询盘表单（footer 内 Get a Quote — 1:1 对齐 A：透明深色输入框 + 白底按钮，无卡片背景） */
.inquiry-form:not(.narrow) { margin-top: 0.16rem; }
.inquiry-form:not(.narrow) input { width: 100%; padding: 0.12rem 0.16rem; background: rgba(255,255,255,0.06); border: 1px solid rgba(255,255,255,0.1); border-radius: var(--radius); font-size: var(--font14); color: #fff; margin-bottom: 0.12rem; font-family: inherit; transition: var(--transition); }
.inquiry-form:not(.narrow) input:focus { outline: none; border-color: rgba(255,255,255,0.3); background: rgba(255,255,255,0.08); }
.inquiry-form:not(.narrow) input::placeholder { color: #6B7280; }
.inquiry-form:not(.narrow) button { width: 100%; padding: 0.12rem 0.24rem; background: #fff; color: var(--charcoal); font-size: var(--font14); font-weight: 600; border-radius: var(--radius); transition: var(--transition); border: none; cursor: pointer; }
.inquiry-form:not(.narrow) button:hover { background: var(--bg-gray); transform: translateY(-1px); }
/* 询盘表单：提交校验引导提示 + 字段错误态（深色 footer 用浅色字） */
.inquiry-form:not(.narrow) .inquiry-msg { display: none; margin-top: 0.1rem; font-size: var(--font13); line-height: 1.45; transition: opacity 0.2s; }
.inquiry-form:not(.narrow) .inquiry-msg.show { display: block; }
.inquiry-form:not(.narrow) .inquiry-msg.error { color: #ff9b9b; }
.inquiry-form:not(.narrow) .inquiry-msg.success { color: #7ee0a0; }
.inquiry-form:not(.narrow) input.invalid { border-color: #E83A3A; background: rgba(232,58,58,0.10); }
/* 产品详情 Quick Inquiry（.inquiry-mini，浅色卡片）：与页脚深底配色隔离，使用深色友好的提示色 */
.inquiry-mini .inquiry-msg { display: none; margin-top: 0.12rem; font-size: var(--font13); line-height: 1.5; }
.inquiry-mini .inquiry-msg.show { display: block; }
.inquiry-mini .inquiry-msg.error { color: #D92B2B; }
.inquiry-mini .inquiry-msg.success { color: #15803D; }
.inquiry-mini input.invalid, .inquiry-mini textarea.invalid { border-color: #E83A3A; background: rgba(232,58,58,0.08); }
.footer-bottom { border-top: 1px solid rgba(255,255,255,0.08); }
.footer-bottom .container-w { display: flex; align-items: center; justify-content: space-between; padding: 0.24rem 0; font-size: var(--font13); color: #6B7280; flex-wrap: wrap; gap: 0.08rem; }
.footer-bottom p { color: #6B7280; }
.footer-bottom .footer-legal a { color: #6B7280; transition: var(--transition); }
.footer-bottom .footer-legal a:hover { color: #fff; }
.footer-bottom .footer-legal .sep { color: rgba(255,255,255,0.2); margin: 0 0.06rem; }
.footer-social { display: flex; gap: 0.12rem; }
.footer-social a { width: 0.36rem; height: 0.36rem; display: flex; align-items: center; justify-content: center; background: rgba(255,255,255,0.06); border-radius: 8px; color: var(--mid-gray); font-size: var(--font14); transition: var(--transition); }
.footer-social a:hover { background: rgba(255,255,255,0.12); color: #fff; }
/* 社交图标：上传图片 ![]()
或 lucide 回退