/* ==========================================================================
   东莞市广翔工程有限公司 — 前台样式
   想改主色，只改下面 :root 里的 --green / --green-600 两行即可
   ========================================================================== */

:root {
    --green: #0FA37A;
    --green-600: #0C8A67;
    --green-700: #086E52;
    --ink: #0A1A1F;
    --ink-2: #12303A;
    --slate: #55696E;
    --slate-2: #7B8F93;
    --bg: #F5F8F6;
    --bg-2: #EDF3F0;
    --line: #E3EBE7;
    --white: #fff;
    --radius: 14px;
    --radius-lg: 22px;
    --shadow-sm: 0 1px 2px rgba(10, 26, 31, .04), 0 6px 18px rgba(10, 26, 31, .05);
    --shadow-md: 0 10px 40px rgba(10, 26, 31, .10);
    --container: 1200px;
    --ease: cubic-bezier(.22, .8, .28, 1);
}

* { box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }

body {
    margin: 0;
    font-family: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Source Han Sans SC", "Noto Sans CJK SC", system-ui, -apple-system, "Segoe UI", sans-serif;
    font-size: 16px;
    line-height: 1.75;
    color: var(--ink);
    background: var(--white);
    -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; display: block; border: 0; }
a { color: inherit; text-decoration: none; }
ul, ol { margin: 0; padding: 0; list-style: none; }
button { font: inherit; cursor: pointer; }

.container { width: 100%; max-width: var(--container); margin: 0 auto; padding: 0 24px; }

.ico { width: 20px; height: 20px; fill: none; stroke: currentColor; stroke-width: 1.7; stroke-linecap: round; stroke-linejoin: round; flex: 0 0 auto; }

.skip-link { position: absolute; left: -9999px; }
.skip-link:focus { left: 12px; top: 12px; z-index: 99; background: #fff; padding: 8px 14px; border-radius: 8px; }

/* ---------------- 按钮 ---------------- */
.btn {
    display: inline-flex; align-items: center; justify-content: center; gap: 8px;
    height: 48px; padding: 0 26px; border-radius: 999px;
    font-size: 15px; font-weight: 600; letter-spacing: .01em;
    border: 1px solid transparent; transition: all .25s var(--ease); white-space: nowrap;
}
.btn-sm { height: 40px; padding: 0 20px; font-size: 14px; }
.btn-primary { background: var(--green); color: #fff; box-shadow: 0 8px 20px rgba(15, 163, 122, .25); }
.btn-primary:hover { background: var(--green-600); transform: translateY(-2px); box-shadow: 0 12px 26px rgba(15, 163, 122, .32); }
.btn-ghost { border-color: var(--line); color: var(--ink-2); background: #fff; }
.btn-ghost:hover { border-color: var(--green); color: var(--green-700); }
.btn-light { background: #fff; color: var(--ink); }
.btn-light:hover { background: #F3F8F6; }
.btn-outline-light { border-color: rgba(255, 255, 255, .35); color: #fff; }
.btn-outline-light:hover { background: rgba(255, 255, 255, .1); border-color: rgba(255, 255, 255, .6); }

/* ---------------- 头部 ---------------- */
.site-header {
    position: sticky; top: 0; z-index: 50;
    background: rgba(255, 255, 255, .88);
    backdrop-filter: saturate(180%) blur(14px);
    -webkit-backdrop-filter: saturate(180%) blur(14px);
    border-bottom: 1px solid rgba(10, 26, 31, .06);
    transition: box-shadow .3s var(--ease), background .3s;
}
.site-header.is-scrolled { box-shadow: 0 6px 24px rgba(10, 26, 31, .07); }

.header-inner { display: flex; align-items: center; gap: 28px; height: 78px; }

.brand { display: flex; align-items: center; gap: 11px; }
.brand-mark {
    width: 42px; height: 42px; border-radius: 11px; flex: 0 0 auto;
    background: linear-gradient(140deg, var(--green), #0B7A78 70%, #12587F);
    color: #fff; font-weight: 800; font-size: 16px; letter-spacing: .5px;
    display: flex; align-items: center; justify-content: center;
    box-shadow: 0 6px 16px rgba(11, 122, 120, .28);
}
.brand-text { display: flex; flex-direction: column; line-height: 1.2; }
.brand-text strong { font-size: 19px; font-weight: 700; letter-spacing: .06em; }
.brand-text em { font-style: normal; font-size: 10px; letter-spacing: .18em; color: var(--slate-2); text-transform: uppercase; margin-top: 3px; }

.site-nav { display: flex; align-items: center; gap: 4px; margin-left: auto; }
.site-nav a {
    position: relative; padding: 8px 13px; border-radius: 8px;
    font-size: 15px; color: var(--slate); transition: color .2s, background .2s;
}
.site-nav a:hover { color: var(--ink); background: var(--bg); }
.site-nav a.is-active { color: var(--green-700); font-weight: 600; }
.site-nav a.is-active::after {
    content: ""; position: absolute; left: 13px; right: 13px; bottom: 1px;
    height: 2px; border-radius: 2px; background: var(--green);
}

.header-actions { display: flex; align-items: center; gap: 10px; }
.btn-tel { height: 40px; font-size: 14px; font-weight: 600; }
.btn-tel .ico { width: 16px; height: 16px; }

.nav-toggle { display: none; width: 42px; height: 42px; border: 1px solid var(--line); border-radius: 10px; background: #fff; color: var(--ink); align-items: center; justify-content: center; }

/* ---------------- 通用区块 ---------------- */
.section { padding: 92px 0; }
.section-tight { padding: 64px 0; }
.section-bg { background: var(--bg); }

.sec-head { max-width: 720px; margin-bottom: 46px; }
.sec-head.center { margin-left: auto; margin-right: auto; text-align: center; }
.eyebrow {
    display: inline-flex; align-items: center; gap: 8px;
    font-size: 13px; font-weight: 600; letter-spacing: .16em; text-transform: uppercase;
    color: var(--green-600); margin-bottom: 14px;
}
.eyebrow::before { content: ""; width: 22px; height: 2px; background: var(--green); border-radius: 2px; }
.sec-head.center .eyebrow::before { display: none; }
.sec-head h2 { font-size: clamp(26px, 3vw, 38px); line-height: 1.3; letter-spacing: -.02em; margin: 0 0 14px; font-weight: 700; }
.sec-head p { margin: 0; color: var(--slate); font-size: 16px; }

.section-head-row { display: flex; align-items: flex-end; justify-content: space-between; gap: 24px; margin-bottom: 46px; }
.section-head-row .sec-head { margin-bottom: 0; }
.link-more { display: inline-flex; align-items: center; gap: 6px; color: var(--green-700); font-weight: 600; font-size: 15px; flex: 0 0 auto; padding-bottom: 6px; }
.link-more .ico { width: 18px; height: 18px; transition: transform .25s var(--ease); }
.link-more:hover .ico { transform: translateX(4px); }

/* ---------------- 首屏 ---------------- */
.hero {
    position: relative; overflow: hidden; color: #fff;
    background: radial-gradient(1200px 600px at 78% 12%, rgba(15, 163, 122, .30), transparent 62%),
                radial-gradient(900px 500px at 8% 92%, rgba(30, 123, 196, .22), transparent 60%),
                linear-gradient(150deg, #051316 0%, #07272A 42%, #08382F 100%);
}
.hero::before {
    content: ""; position: absolute; inset: 0; pointer-events: none;
    background-image: linear-gradient(rgba(255, 255, 255, .045) 1px, transparent 1px),
                      linear-gradient(90deg, rgba(255, 255, 255, .045) 1px, transparent 1px);
    background-size: 64px 64px;
    mask-image: linear-gradient(180deg, rgba(0, 0, 0, .9), transparent 78%);
    -webkit-mask-image: linear-gradient(180deg, rgba(0, 0, 0, .9), transparent 78%);
}
.hero-inner {
    position: relative; z-index: 2;
    display: grid; grid-template-columns: 1.08fr .92fr; gap: 64px; align-items: center;
    padding: 96px 0 104px;
}
.hero-badge {
    display: inline-flex; align-items: center; gap: 9px;
    padding: 7px 15px 7px 11px; border-radius: 999px;
    background: rgba(255, 255, 255, .08); border: 1px solid rgba(255, 255, 255, .16);
    font-size: 13px; color: rgba(255, 255, 255, .88); margin-bottom: 26px;
    backdrop-filter: blur(6px);
}
.hero-badge .dot { width: 7px; height: 7px; border-radius: 50%; background: #34D399; box-shadow: 0 0 0 4px rgba(52, 211, 153, .18); }
.hero h1 { font-size: clamp(32px, 4.4vw, 58px); line-height: 1.18; letter-spacing: -.025em; margin: 0 0 22px; font-weight: 800; }
.hero h1 .grad {
    background: linear-gradient(100deg, #34D399 0%, #6EE7B7 42%, #67B8F5 100%);
    -webkit-background-clip: text; background-clip: text; color: transparent;
}
.hero-sub { font-size: 17px; line-height: 1.9; color: rgba(255, 255, 255, .74); max-width: 560px; margin: 0 0 36px; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 14px; margin-bottom: 46px; }
.hero-facts { display: flex; flex-wrap: wrap; gap: 34px; padding-top: 30px; border-top: 1px solid rgba(255, 255, 255, .12); }
.hero-fact strong { display: block; font-size: 15px; font-weight: 700; color: #fff; margin-bottom: 2px; }
.hero-fact span { font-size: 13px; color: rgba(255, 255, 255, .55); }

.hero-cards { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.hero-card {
    position: relative; padding: 26px 22px; border-radius: var(--radius);
    background: rgba(255, 255, 255, .07); border: 1px solid rgba(255, 255, 255, .14);
    transition: transform .3s var(--ease), background .3s, border-color .3s;
    backdrop-filter: blur(3px);
}
.hero-card:hover { transform: translateY(-4px); background: rgba(255, 255, 255, .11); border-color: rgba(110, 231, 183, .4); }
.hero-card .hc-ico {
    width: 44px; height: 44px; border-radius: 12px; display: flex; align-items: center; justify-content: center;
    background: rgba(52, 211, 153, .16); color: #6EE7B7; margin-bottom: 16px;
    border: 1px solid rgba(52, 211, 153, .22);
}
.hero-card .hc-ico .ico { width: 22px; height: 22px; }
.hero-card h3 { font-size: 17px; margin: 0 0 6px; font-weight: 700; letter-spacing: .01em; }
.hero-card p { margin: 0; font-size: 13px; line-height: 1.7; color: rgba(255, 255, 255, .6); }

/* ---------------- 业务卡 ---------------- */
.grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 22px; }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: 24px; }

.biz-card {
    position: relative; background: #fff; border: 1px solid var(--line); border-radius: var(--radius);
    padding: 34px 28px 30px; transition: all .3s var(--ease); overflow: hidden;
}
.biz-card::after {
    content: ""; position: absolute; left: 0; right: 0; bottom: 0; height: 3px;
    background: linear-gradient(90deg, var(--green), #67B8F5);
    transform: scaleX(0); transform-origin: left; transition: transform .35s var(--ease);
}
.biz-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-md); border-color: transparent; }
.biz-card:hover::after { transform: scaleX(1); }
.biz-ico {
    width: 54px; height: 54px; border-radius: 14px; display: flex; align-items: center; justify-content: center;
    background: var(--bg); color: var(--green-600); margin-bottom: 22px; transition: all .3s var(--ease);
}
.biz-ico .ico { width: 26px; height: 26px; }
.biz-card:hover .biz-ico { background: var(--green); color: #fff; }
.biz-card h3 { font-size: 19px; margin: 0 0 10px; font-weight: 700; }
.biz-card p { margin: 0; font-size: 14px; line-height: 1.8; color: var(--slate); }
.biz-card .biz-link { display: inline-flex; align-items: center; gap: 6px; margin-top: 18px; font-size: 13px; font-weight: 600; color: var(--green-700); }
.biz-card .biz-link .ico { width: 15px; height: 15px; }

/* ---------------- 图片占位（未上传封面时） ---------------- */
.ph {
    position: relative; display: flex; align-items: center; justify-content: center;
    background: linear-gradient(145deg, #0C2A2E, #11564A 52%, #0C3C4E);
    color: rgba(255, 255, 255, .82); overflow: hidden;
}
.ph::before {
    content: ""; position: absolute; inset: 0;
    background-image: repeating-linear-gradient(90deg, rgba(255, 255, 255, .07) 0 1px, transparent 1px 26px),
                      repeating-linear-gradient(0deg, rgba(255, 255, 255, .07) 0 1px, transparent 1px 26px);
    mask-image: radial-gradient(circle at 50% 45%, #000, transparent 78%);
    -webkit-mask-image: radial-gradient(circle at 50% 45%, #000, transparent 78%);
}
.ph .ico { width: 46px; height: 46px; opacity: .55; stroke-width: 1.4; }
.ph-square { aspect-ratio: 4 / 3; }
.ph-wide { aspect-ratio: 16 / 9; }
.ph-tall { aspect-ratio: 3 / 4; }

/* ---------------- 案例卡 ---------------- */
.case-card {
    display: block; background: #fff; border: 1px solid var(--line); border-radius: var(--radius);
    overflow: hidden; transition: all .3s var(--ease);
}
.case-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-md); border-color: transparent; }
.case-media { position: relative; aspect-ratio: 4 / 3; overflow: hidden; background: var(--bg-2); }
.case-media img { width: 100%; height: 100%; object-fit: cover; transition: transform .5s var(--ease); }
.case-card:hover .case-media img { transform: scale(1.06); }
.case-media .ph { position: absolute; inset: 0; }
.case-tag {
    position: absolute; top: 14px; left: 14px; z-index: 2;
    padding: 5px 12px; border-radius: 999px; font-size: 12px; font-weight: 600;
    background: rgba(255, 255, 255, .92); color: var(--green-700);
    backdrop-filter: blur(4px);
}
.case-body { padding: 22px 22px 24px; }
.case-body h3 { font-size: 17px; margin: 0 0 10px; font-weight: 700; line-height: 1.5; }
.case-body p { margin: 0; font-size: 13px; color: var(--slate); line-height: 1.7; }
.case-meta { display: flex; flex-wrap: wrap; gap: 14px; margin-top: 16px; padding-top: 16px; border-top: 1px dashed var(--line); }
.case-meta span { font-size: 12px; color: var(--slate-2); display: inline-flex; align-items: center; gap: 5px; }
.case-meta .ico { width: 14px; height: 14px; }

/* ---------------- 产品卡 ---------------- */
.prod-card {
    display: flex; gap: 22px; align-items: flex-start;
    background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 22px;
    transition: all .3s var(--ease);
}
.prod-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); border-color: transparent; }
.prod-thumb { width: 132px; height: 108px; flex: 0 0 auto; border-radius: 10px; overflow: hidden; background: var(--bg-2); }
.prod-thumb img { width: 100%; height: 100%; object-fit: cover; }
.prod-thumb .ph { width: 100%; height: 100%; }
.prod-thumb .ph .ico { width: 34px; height: 34px; }
.prod-body h3 { font-size: 17px; margin: 0 0 8px; font-weight: 700; }
.prod-body p { margin: 0; font-size: 13px; color: var(--slate); line-height: 1.75; }
.prod-body .biz-link { display: inline-flex; align-items: center; gap: 5px; margin-top: 12px; font-size: 13px; font-weight: 600; color: var(--green-700); }
.prod-body .biz-link .ico { width: 14px; height: 14px; }

/* ---------------- 服务流程 ---------------- */
.flow { display: grid; grid-template-columns: repeat(6, 1fr); gap: 12px; position: relative; }
.flow-step { text-align: center; padding: 0 6px; }
.flow-num {
    width: 44px; height: 44px; margin: 0 auto 14px; border-radius: 50%;
    display: flex; align-items: center; justify-content: center;
    background: #fff; border: 1px solid var(--line); color: var(--green-700);
    font-size: 14px; font-weight: 700; position: relative; z-index: 2;
}
.flow-step.on .flow-num { background: var(--green); color: #fff; border-color: var(--green); }
.flow-line { position: absolute; top: 22px; left: 8%; right: 8%; height: 1px; background: var(--line); z-index: 1; }
.flow-step h4 { font-size: 15px; margin: 0 0 6px; font-weight: 600; }
.flow-step p { font-size: 12px; color: var(--slate-2); margin: 0; line-height: 1.6; }

/* ---------------- 优势 ---------------- */
.feat-card { display: flex; gap: 18px; padding: 26px; background: #fff; border: 1px solid var(--line); border-radius: var(--radius); }
.feat-ico { width: 46px; height: 46px; border-radius: 12px; flex: 0 0 auto; display: flex; align-items: center; justify-content: center; background: var(--bg); color: var(--green-600); }
.feat-ico .ico { width: 22px; height: 22px; }
.feat-card h3 { font-size: 16px; margin: 0 0 8px; font-weight: 700; }
.feat-card p { margin: 0; font-size: 13px; color: var(--slate); line-height: 1.8; }

/* ---------------- 关于 ---------------- */
.about-split { display: grid; grid-template-columns: 1fr 1fr; gap: 66px; align-items: center; }
.about-visual { position: relative; }
.about-visual .ph { border-radius: var(--radius-lg); aspect-ratio: 4 / 3.4; }
.about-visual .ph .ico { width: 64px; height: 64px; }
.about-badge {
    position: absolute; right: -18px; bottom: -18px;
    background: #fff; border: 1px solid var(--line); border-radius: var(--radius);
    padding: 18px 22px; box-shadow: var(--shadow-md); text-align: center;
}
.about-badge strong { display: block; font-size: 26px; color: var(--green-700); line-height: 1.2; font-weight: 800; letter-spacing: -.02em; }
.about-badge span { font-size: 12px; color: var(--slate); }

.prose p { margin: 0 0 16px; color: var(--slate); font-size: 15px; line-height: 1.95; }
.prose h3 { font-size: 17px; margin: 26px 0 10px; }

/* ---------------- 新闻 ---------------- */
.news-card { display: flex; gap: 20px; padding: 22px; background: #fff; border: 1px solid var(--line); border-radius: var(--radius); transition: all .3s var(--ease); }
.news-card:hover { border-color: transparent; box-shadow: var(--shadow-md); transform: translateY(-3px); }
.news-date {
    flex: 0 0 auto; width: 74px; text-align: center; padding: 12px 0;
    background: var(--bg); border-radius: 10px; color: var(--green-700);
}
.news-date strong { display: block; font-size: 22px; font-weight: 800; line-height: 1.2; }
.news-date span { font-size: 12px; color: var(--slate-2); }
.news-body h3 { font-size: 16px; margin: 0 0 8px; font-weight: 600; line-height: 1.5; }
.news-body p { margin: 0; font-size: 13px; color: var(--slate); line-height: 1.7; }

/* ---------------- CTA 条 ---------------- */
.cta-band {
    position: relative; overflow: hidden; color: #fff;
    background: radial-gradient(700px 320px at 15% 20%, rgba(52, 211, 153, .28), transparent 60%),
                linear-gradient(115deg, #07262A, #0A3B33 55%, #08303F);
}
.cta-inner { display: flex; align-items: center; justify-content: space-between; gap: 40px; padding: 58px 0; position: relative; z-index: 2; }
.cta-inner h2 { font-size: clamp(22px, 2.6vw, 32px); margin: 0 0 10px; font-weight: 700; letter-spacing: -.01em; }
.cta-inner p { margin: 0; color: rgba(255, 255, 255, .7); font-size: 14px; }
.cta-actions { display: flex; gap: 12px; flex-wrap: wrap; flex: 0 0 auto; }

/* ---------------- 内页通用 ---------------- */
.page-hero {
    position: relative; overflow: hidden; color: #fff;
    background: radial-gradient(600px 300px at 80% 0%, rgba(15, 163, 122, .26), transparent 60%),
                linear-gradient(140deg, #061A20, #0A3438 60%, #0A3A33);
    padding: 68px 0 62px;
}
.page-hero::before {
    content: ""; position: absolute; inset: 0;
    background-image: linear-gradient(rgba(255, 255, 255, .04) 1px, transparent 1px),
                      linear-gradient(90deg, rgba(255, 255, 255, .04) 1px, transparent 1px);
    background-size: 56px 56px;
    mask-image: linear-gradient(180deg, #000, transparent 90%);
    -webkit-mask-image: linear-gradient(180deg, #000, transparent 90%);
}
.page-hero .container { position: relative; z-index: 2; }
.crumb { font-size: 13px; color: rgba(255, 255, 255, .55); margin-bottom: 18px; }
.crumb a { color: rgba(255, 255, 255, .7); }
.crumb a:hover { color: #fff; }
.crumb span { margin: 0 8px; opacity: .5; }
.page-hero h1 { font-size: clamp(26px, 3.2vw, 42px); margin: 0 0 12px; font-weight: 700; letter-spacing: -.02em; }
.page-hero p { margin: 0; color: rgba(255, 255, 255, .66); font-size: 15px; max-width: 640px; }

/* 筛选 */
.filter-bar { display: flex; flex-wrap: wrap; gap: 10px; margin-bottom: 34px; }
.filter-bar a {
    padding: 9px 20px; border-radius: 999px; font-size: 14px;
    background: #fff; border: 1px solid var(--line); color: var(--slate); transition: all .2s;
}
.filter-bar a:hover { border-color: var(--green); color: var(--green-700); }
.filter-bar a.on { background: var(--ink); border-color: var(--ink); color: #fff; }

/* 分页 */
.pager { display: flex; justify-content: center; gap: 8px; margin-top: 48px; flex-wrap: wrap; }
.pager a, .pager span {
    min-width: 40px; height: 40px; padding: 0 12px; border-radius: 9px;
    display: inline-flex; align-items: center; justify-content: center;
    font-size: 14px; border: 1px solid var(--line); background: #fff; color: var(--slate);
}
.pager a:hover { border-color: var(--green); color: var(--green-700); }
.pager .on { background: var(--green); border-color: var(--green); color: #fff; font-weight: 600; }

/* 详情 */
.detail-wrap { display: grid; grid-template-columns: minmax(0, 1fr) 320px; gap: 56px; align-items: start; }
.detail-main { min-width: 0; }
.detail-cover { border-radius: var(--radius-lg); overflow: hidden; margin-bottom: 34px; background: var(--bg-2); }
.detail-cover img { width: 100%; }
.detail-cover .ph { aspect-ratio: 16 / 8; }
.detail-title { font-size: clamp(24px, 2.6vw, 34px); line-height: 1.35; margin: 0 0 16px; font-weight: 700; letter-spacing: -.02em; }
.detail-meta { display: flex; flex-wrap: wrap; gap: 18px; padding-bottom: 24px; margin-bottom: 30px; border-bottom: 1px solid var(--line); }
.detail-meta span { font-size: 13px; color: var(--slate-2); display: inline-flex; align-items: center; gap: 6px; }
.detail-meta .ico { width: 15px; height: 15px; }
.rich { font-size: 15.5px; line-height: 2; color: #24383D; }
.rich p { margin: 0 0 18px; }
.rich h2, .rich h3 { margin: 32px 0 14px; font-size: 19px; font-weight: 700; }
.rich img { border-radius: 10px; margin: 18px 0; }
.rich ul, .rich ol { padding-left: 1.4em; list-style: disc; margin: 0 0 18px; }
.rich ol { list-style: decimal; }
.rich li { margin: 8px 0; }
.rich table { width: 100%; border-collapse: collapse; margin: 18px 0; font-size: 14px; }
.rich table td, .rich table th { border: 1px solid var(--line); padding: 10px 12px; }

.gallery { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; margin-top: 34px; }
.gallery img { width: 100%; aspect-ratio: 4 / 3; object-fit: cover; border-radius: 10px; }

.side-card { background: var(--bg); border-radius: var(--radius); padding: 26px; margin-bottom: 22px; }
.side-card h3 { font-size: 16px; margin: 0 0 16px; font-weight: 700; }
.side-list li { padding: 12px 0; border-bottom: 1px dashed var(--line); font-size: 14px; color: var(--slate); }
.side-list li:last-child { border-bottom: 0; }
.side-list a:hover { color: var(--green-700); }
.side-cta { background: linear-gradient(150deg, #0A3B33, #0C2B3A); color: #fff; border-radius: var(--radius); padding: 28px; }
.side-cta h3 { color: #fff; font-size: 17px; margin: 0 0 8px; }
.side-cta p { color: rgba(255, 255, 255, .62); font-size: 13px; margin: 0 0 18px; }
.side-cta .btn { width: 100%; }
.side-tel { display: block; margin-top: 16px; text-align: center; font-size: 19px; font-weight: 700; letter-spacing: .02em; color: #6EE7B7; }

.prev-next { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; margin-top: 44px; }
.prev-next a { display: block; padding: 18px 20px; background: var(--bg); border-radius: 12px; font-size: 14px; color: var(--slate); }
.prev-next a span { display: block; font-size: 12px; color: var(--slate-2); margin-bottom: 4px; }
.prev-next a:hover { background: var(--bg-2); color: var(--ink); }

/* ---------------- 联系页 ---------------- */
.contact-grid { display: grid; grid-template-columns: 380px minmax(0, 1fr); gap: 56px; align-items: start; }
.contact-info-item { display: flex; gap: 16px; padding: 20px 0; border-bottom: 1px solid var(--line); }
.contact-info-item .ci-ico { width: 44px; height: 44px; border-radius: 12px; background: var(--bg); color: var(--green-600); display: flex; align-items: center; justify-content: center; flex: 0 0 auto; }
.contact-info-item .ci-ico .ico { width: 20px; height: 20px; }
.contact-info-item .ci-t { font-size: 13px; color: var(--slate-2); margin-bottom: 2px; }
.contact-info-item .ci-v { font-size: 16px; font-weight: 600; word-break: break-all; }

.form-card { background: #fff; border: 1px solid var(--line); border-radius: var(--radius-lg); padding: 38px; box-shadow: var(--shadow-sm); }
.form-card h2 { font-size: 22px; margin: 0 0 8px; font-weight: 700; }
.form-card .form-sub { font-size: 14px; color: var(--slate); margin: 0 0 28px; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.field { margin-bottom: 18px; }
.field label { display: block; font-size: 13px; font-weight: 600; margin-bottom: 8px; color: var(--ink-2); }
.field label .req { color: #E5484D; margin-left: 2px; }
.field input, .field textarea, .field select {
    width: 100%; padding: 12px 14px; font: inherit; font-size: 14px;
    border: 1px solid var(--line); border-radius: 10px; background: #fff; color: var(--ink);
    transition: border-color .2s, box-shadow .2s;
}
.field input:focus, .field textarea:focus, .field select:focus {
    outline: 0; border-color: var(--green);
    box-shadow: 0 0 0 3px rgba(15, 163, 122, .12);
}
.field textarea { min-height: 128px; resize: vertical; }
.form-note { font-size: 12px; color: var(--slate-2); margin-top: 14px; line-height: 1.7; }
.alert { padding: 14px 16px; border-radius: 10px; font-size: 14px; margin-bottom: 22px; }
.alert-success { background: #E8F8F1; color: #086E52; border: 1px solid #B7EBD6; }
.alert-error { background: #FDECEC; color: #B42318; border: 1px solid #F8C9C9; }

.map-box { margin-top: 22px; border-radius: var(--radius); overflow: hidden; border: 1px solid var(--line); }
.map-box iframe { width: 100%; height: 300px; border: 0; display: block; }
.map-empty { padding: 40px 24px; text-align: center; color: var(--slate-2); font-size: 13px; background: var(--bg); }

/* ---------------- 空状态 ---------------- */
.empty { text-align: center; padding: 72px 20px; color: var(--slate-2); }
.empty .ico { width: 42px; height: 42px; margin: 0 auto 14px; opacity: .5; }
.empty p { margin: 0; font-size: 14px; }

/* ---------------- 页脚 ---------------- */
.site-footer { background: #061619; color: rgba(255, 255, 255, .72); padding: 74px 0 0; }
.footer-top { display: grid; grid-template-columns: 1.5fr 1fr 1fr 1.2fr; gap: 48px; padding-bottom: 54px; }
.brand-light .brand-text strong { color: #fff; }
.brand-light .brand-text em { color: rgba(255, 255, 255, .4); }
.footer-desc { font-size: 13px; line-height: 1.9; color: rgba(255, 255, 255, .55); margin: 18px 0 22px; max-width: 330px; }
.footer-col h4 { font-size: 14px; color: #fff; margin: 0 0 18px; font-weight: 600; letter-spacing: .04em; }
.footer-col li { font-size: 13px; margin-bottom: 11px; color: rgba(255, 255, 255, .55); }
.footer-col li a:hover { color: #6EE7B7; }
.footer-contact li { display: flex; gap: 9px; align-items: flex-start; }
.footer-contact .ico { width: 15px; height: 15px; margin-top: 5px; opacity: .55; }
.footer-bottom {
    display: flex; align-items: center; justify-content: space-between; gap: 16px; flex-wrap: wrap;
    padding: 22px 0; border-top: 1px solid rgba(255, 255, 255, .09);
    font-size: 12.5px; color: rgba(255, 255, 255, .42);
}
.footer-meta { display: flex; gap: 18px; }
.footer-meta a:hover { color: rgba(255, 255, 255, .75); }

/* ---------------- 响应式 ---------------- */
@media (max-width: 1080px) {
    .hero-inner { grid-template-columns: 1fr; gap: 44px; padding: 72px 0 80px; }
    .hero-cards { max-width: 560px; }
    .grid-4 { grid-template-columns: repeat(2, 1fr); }
    .grid-3 { grid-template-columns: repeat(2, 1fr); }
    .flow { grid-template-columns: repeat(3, 1fr); row-gap: 28px; }
    .flow-line { display: none; }
    .about-split, .detail-wrap, .contact-grid { grid-template-columns: 1fr; gap: 40px; }
    .footer-top { grid-template-columns: 1fr 1fr; gap: 34px; }
    .about-badge { right: 12px; bottom: 12px; }
}

@media (max-width: 860px) {
    .site-nav {
        position: fixed; left: 0; right: 0; top: 78px; z-index: 60;
        flex-direction: column; align-items: stretch; gap: 0; padding: 10px 18px 18px;
        background: #fff; border-bottom: 1px solid var(--line);
        box-shadow: 0 16px 32px rgba(10, 26, 31, .1);
        transform: translateY(-12px); opacity: 0; pointer-events: none;
        transition: all .25s var(--ease);
    }
    .site-nav.is-open { transform: translateY(0); opacity: 1; pointer-events: auto; }
    .site-nav a { padding: 14px 8px; border-bottom: 1px solid var(--line); border-radius: 0; }
    .site-nav a.is-active::after { display: none; }
    .nav-toggle { display: flex; }
    .btn-tel { display: none; }
    .header-inner { height: 68px; gap: 14px; }
    .site-nav.is-open { top: 68px; }
    .section { padding: 62px 0; }
    .container { padding: 0 18px; }
    .grid-3, .grid-2 { grid-template-columns: 1fr; }
    .form-row { grid-template-columns: 1fr; }
    .form-card { padding: 26px 20px; }
    .sec-head { margin-bottom: 34px; }
    .section-head-row { flex-direction: column; align-items: flex-start; gap: 10px; }
    .cta-inner { flex-direction: column; align-items: flex-start; gap: 26px; padding: 44px 0; }
    .footer-top { grid-template-columns: 1fr; gap: 30px; }
    .prod-card { flex-direction: column; }
    .prod-thumb { width: 100%; height: 150px; }
    .prev-next { grid-template-columns: 1fr; }
    .news-card { gap: 14px; padding: 18px; }
    .gallery { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 520px) {
    .grid-4 { grid-template-columns: 1fr; }
    .flow { grid-template-columns: repeat(2, 1fr); }
    .hero-facts { gap: 20px; }
    .hero h1 { font-size: 30px; }
    .hero-cards { grid-template-columns: 1fr; }
    .detail-meta { gap: 10px 16px; }
}

/* 进场动画 */
.reveal { opacity: 0; transform: translateY(22px); transition: opacity .7s var(--ease), transform .7s var(--ease); }
.reveal.in { opacity: 1; transform: none; }
.reveal[data-delay="1"] { transition-delay: .08s; }
.reveal[data-delay="2"] { transition-delay: .16s; }
.reveal[data-delay="3"] { transition-delay: .24s; }
@media (prefers-reduced-motion: reduce) {
    .reveal { opacity: 1; transform: none; transition: none; }
    html { scroll-behavior: auto; }
}

/* 打印 */
@media print {
    .site-header, .site-footer, .cta-band, .side-card { display: none; }
}