/* ============================================================
   维创尚科技官网 · 前台样式（手写，无框架依赖）
   白色科技风：浅底 + 青蓝渐变点缀 + 柔和投影
   目录：变量 / 基础 / 组件 / 首页 / 内页 / 表单 / 响应式
   ============================================================ */

/* ---------- 设计变量 ---------- */
:root {
    --bg: #f6f8fc;
    --bg-soft: #eef2f8;
    --surface: #ffffff;
    --surface-2: #f3f7fc;
    --line: rgba(15, 40, 75, 0.10);
    --line-strong: rgba(15, 40, 75, 0.18);
    --text: #0e1e33;
    --text-2: #44576e;
    --text-3: #7d8ea3;
    --cyan: #0796b8;
    --blue: #2f6bff;
    --violet: #7a4df6;
    --green: #16a34a;
    --amber: #d97706;
    --radius: 18px;
    --radius-sm: 12px;
    --wrap: 1200px;
    --shadow: 0 24px 60px rgba(15, 40, 75, 0.12);
    --font: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB",
        "Microsoft YaHei", "Noto Sans SC", sans-serif;
    --grad: linear-gradient(135deg, #07b6d5 0%, #2f6bff 55%, #7a4df6 100%);
}

* { box-sizing: border-box; }

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

body.site-body {
    margin: 0;
    background: var(--bg);
    color: var(--text);
    font-family: var(--font);
    font-size: 15px;
    line-height: 1.75;
    -webkit-font-smoothing: antialiased;
    overflow-x: hidden;
}

/* 页面底噪与光晕 */
body.site-body::before {
    content: "";
    position: fixed;
    inset: 0;
    z-index: -2;
    background:
        radial-gradient(900px 600px at 12% -10%, rgba(7, 182, 213, 0.10), transparent 60%),
        radial-gradient(800px 500px at 92% 0%, rgba(122, 77, 246, 0.08), transparent 62%),
        linear-gradient(180deg, #f8fafd 0%, #f3f6fb 40%, #eef2f8 100%);
    pointer-events: none;
}

body.site-body::after {
    content: "";
    position: fixed;
    inset: 0;
    z-index: -1;
    opacity: 0.5;
    background-image:
        linear-gradient(rgba(30, 60, 110, 0.05) 1px, transparent 1px),
        linear-gradient(90deg, rgba(30, 60, 110, 0.05) 1px, transparent 1px);
    background-size: 80px 80px;
    mask-image: radial-gradient(ellipse at 50% 0%, #000 0%, transparent 78%);
    -webkit-mask-image: radial-gradient(ellipse at 50% 0%, #000 0%, transparent 78%);
    pointer-events: none;
}

img { max-width: 100%; display: block; }

a { color: inherit; text-decoration: none; transition: color 0.2s ease; }

h1, h2, h3, h4 { margin: 0; font-weight: 700; letter-spacing: 0.01em; line-height: 1.28; }

p { margin: 0; }

ul, ol { margin: 0; padding: 0; list-style: none; }

button { font-family: inherit; }

::selection { background: rgba(7, 182, 213, 0.22); color: #0b3b49; }

:focus-visible { outline: 2px solid var(--cyan); outline-offset: 3px; border-radius: 6px; }

.container { width: min(var(--wrap), calc(100% - 48px)); margin-inline: auto; }

.skip-link {
    position: absolute;
    left: 50%;
    top: -60px;
    transform: translateX(-50%);
    z-index: 100;
    background: #ffffff;
    border: 1px solid var(--line-strong);
    padding: 10px 18px;
    border-radius: 10px;
    box-shadow: var(--shadow);
    transition: top 0.2s;
}
.skip-link:focus { top: 12px; }

.muted { color: var(--text-3); }

/* ---------- 图标 ---------- */
.icon { display: inline-block; vertical-align: -3px; flex: none; }
.icon-xs { width: 14px; height: 14px; }
.icon-sm { width: 17px; height: 17px; }
.icon-lg { width: 34px; height: 34px; }

/* ---------- 按钮 ---------- */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    height: 46px;
    padding: 0 20px;
    border: 1px solid transparent;
    border-radius: 999px;
    font-size: 14.5px;
    font-weight: 650;
    white-space: nowrap;
    cursor: pointer;
    transition: transform 0.2s ease, box-shadow 0.25s ease, background 0.25s ease, border-color 0.2s;
}

.btn-primary {
    background: var(--grad);
    color: #ffffff;
    box-shadow: 0 12px 30px rgba(47, 107, 255, 0.28), inset 0 1px 0 rgba(255, 255, 255, 0.28);
}
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 18px 40px rgba(47, 107, 255, 0.36); }

.btn-ghost {
    background: #ffffff;
    border-color: var(--line-strong);
    color: var(--text);
    box-shadow: 0 4px 14px rgba(15, 40, 75, 0.05);
}
.btn-ghost:hover { border-color: rgba(7, 150, 184, 0.55); color: var(--cyan); background: rgba(7, 182, 213, 0.06); }

.btn-sm { height: 38px; padding: 0 16px; font-size: 13.5px; }
.btn-lg { height: 52px; padding: 0 26px; font-size: 15.5px; }
.btn-block { width: 100%; }

.link-more {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-size: 14px;
    color: var(--text-2);
    border-bottom: 1px solid transparent;
    padding-bottom: 3px;
}
.link-more:hover { color: var(--cyan); border-color: rgba(7, 150, 184, 0.4); }

/* ---------- 头部 ---------- */
.site-header {
    position: fixed;
    inset: 0 0 auto 0;
    z-index: 60;
    transition: background 0.3s ease, border-color 0.3s ease, box-shadow 0.3s;
    border-bottom: 1px solid transparent;
}
.site-header.is-scrolled {
    background: rgba(255, 255, 255, 0.85);
    backdrop-filter: blur(18px);
    -webkit-backdrop-filter: blur(18px);
    border-bottom-color: var(--line);
    box-shadow: 0 10px 34px rgba(15, 40, 75, 0.10);
}

.header-inner {
    display: flex;
    align-items: center;
    gap: 26px;
    height: 78px;
}

.brand { display: inline-flex; align-items: center; gap: 11px; flex: none; }
.brand-mark { width: 42px; height: 42px; object-fit: contain; filter: drop-shadow(0 4px 12px rgba(7, 182, 213, 0.25)); }
.brand-text { display: flex; flex-direction: column; line-height: 1.2; }
.brand-text strong { font-size: 17px; letter-spacing: 0.02em; color: var(--text); }
.brand-text em { font-style: normal; font-size: 10.5px; letter-spacing: 0.16em; color: var(--text-3); text-transform: uppercase; margin-top: 4px; }

.main-nav { display: flex; align-items: center; gap: 4px; margin-left: auto; }

.nav-link {
    position: relative;
    padding: 10px 13px;
    font-size: 14.5px;
    color: var(--text-2);
    border-radius: 8px;
}
.nav-link:hover { color: var(--text); }
.nav-link.is-active { color: var(--text); }
.nav-link.is-active::after {
    content: "";
    position: absolute;
    left: 13px;
    right: 13px;
    bottom: 3px;
    height: 2px;
    border-radius: 2px;
    background: linear-gradient(90deg, var(--cyan), var(--blue));
    box-shadow: 0 0 10px rgba(7, 182, 213, 0.45);
}

.header-actions { display: flex; align-items: center; gap: 12px; flex: none; }

.header-phone {
    display: inline-flex;
    align-items: center;
    gap: 7px;
    font-size: 13.5px;
    color: var(--text-2);
    font-variant-numeric: tabular-nums;
}
.header-phone:hover { color: var(--cyan); }

.nav-toggle {
    display: none;
    width: 42px;
    height: 42px;
    align-items: center;
    justify-content: center;
    background: #ffffff;
    border: 1px solid var(--line);
    border-radius: 10px;
    color: var(--text);
    cursor: pointer;
    box-shadow: 0 4px 14px rgba(15, 40, 75, 0.06);
}
.nav-toggle .icon-close { display: none; }
.nav-toggle[aria-expanded="true"] .icon-menu { display: none; }
.nav-toggle[aria-expanded="true"] .icon-close { display: block; }

/* 移动端导航抽屉 */
.mobile-nav {
    position: fixed;
    top: 78px;
    left: 0;
    right: 0;
    z-index: 55;
    background: rgba(255, 255, 255, 0.97);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--line);
    box-shadow: 0 24px 50px rgba(15, 40, 75, 0.12);
    padding: 18px 24px 26px;
    transform: translateY(-8px);
    opacity: 0;
    transition: opacity 0.25s ease, transform 0.25s ease;
}
.mobile-nav.is-open { opacity: 1; transform: translateY(0); }
.mobile-nav-inner { display: flex; flex-direction: column; }
.mobile-nav-inner a {
    padding: 14px 4px;
    border-bottom: 1px solid rgba(15, 40, 75, 0.07);
    font-size: 16px;
    color: var(--text);
}
.mobile-nav-inner a:hover { color: var(--cyan); }
.mobile-nav-foot { display: flex; flex-direction: column; gap: 12px; margin-top: 18px; color: var(--text-2); font-size: 14px; }
.mobile-nav-foot a:not(.btn) { display: inline-flex; align-items: center; gap: 8px; }
body.nav-locked { overflow: hidden; }

/* ---------- 通用区块 ---------- */
main { padding-top: 78px; }

.section { position: relative; padding: 20px 0; }
.section-alt {
    background: linear-gradient(180deg, rgba(15, 40, 75, 0.022), rgba(15, 40, 75, 0));
    border-top: 1px solid rgba(15, 40, 75, 0.06);
    border-bottom: 1px solid rgba(15, 40, 75, 0.06);
}

.section-head { max-width: 760px; margin-bottom: 14px; }
.section-head-row { display: flex; align-items: flex-end; justify-content: space-between; gap: 18px; max-width: none; }
.section-head-row > div { max-width: 720px; }

.section-eyebrow {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    font-size: 11px;
    font-weight: 600;
    letter-spacing: 0.28em;
    text-transform: uppercase;
    color: var(--cyan);
    margin-bottom: 10px;
}
.section-eyebrow::before {
    content: "";
    width: 26px;
    height: 1px;
    background: linear-gradient(90deg, var(--cyan), transparent);
}

.section-title { font-size: clamp(26px, 3.1vw, 40px); margin-bottom: 10px; }
.section-lead { color: var(--text-2); font-size: 15.5px; max-width: 62ch; }

/* 玻璃卡（浅色） */
.glass {
    background: linear-gradient(180deg, #ffffff, #fbfdff);
    border: 1px solid var(--line);
    border-radius: var(--radius);
    box-shadow: 0 14px 38px rgba(15, 40, 75, 0.07);
}

/* 标签 */
.tag {
    display: inline-flex;
    align-items: center;
    height: 26px;
    padding: 0 10px;
    border-radius: 999px;
    font-size: 11.5px;
    letter-spacing: 0.06em;
    color: #0a7f97;
    background: rgba(7, 182, 213, 0.10);
    border: 1px solid rgba(7, 182, 213, 0.25);
}
.tag-ghost { color: var(--text-2); background: rgba(15, 40, 75, 0.05); border-color: var(--line); }

.pill {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    height: 30px;
    padding: 0 14px;
    border-radius: 999px;
    font-size: 12.5px;
    color: #0a6d84;
    background: rgba(7, 182, 213, 0.08);
    border: 1px solid rgba(7, 182, 213, 0.22);
}
.pill-dot {
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: var(--cyan);
    box-shadow: 0 0 10px var(--cyan);
}

/* ---------- 首屏 ---------- */
.hero { position: relative; padding: 22px 0 12px; overflow: hidden; }
.hero-bg { position: absolute; inset: 0; pointer-events: none; }
.hero-grid {
    position: absolute;
    inset: -10% -10% 0;
    background-image:
        linear-gradient(rgba(30, 70, 120, 0.07) 1px, transparent 1px),
        linear-gradient(90deg, rgba(30, 70, 120, 0.07) 1px, transparent 1px);
    background-size: 70px 70px;
    mask-image: radial-gradient(ellipse at 50% 25%, #000 0%, transparent 70%);
    -webkit-mask-image: radial-gradient(ellipse at 50% 25%, #000 0%, transparent 70%);
    opacity: 0.8;
}
.glow { position: absolute; border-radius: 50%; filter: blur(90px); }
.glow-1 { width: 620px; height: 620px; left: -180px; top: -220px; background: radial-gradient(circle, rgba(7, 182, 213, 0.20), transparent 66%); }
.glow-2 { width: 560px; height: 560px; right: -160px; top: -160px; background: radial-gradient(circle, rgba(122, 77, 246, 0.16), transparent 66%); opacity: 0.9; }
.glow-3 { width: 420px; height: 420px; left: 42%; bottom: -240px; background: radial-gradient(circle, rgba(47, 107, 255, 0.12), transparent 68%); }

.hero-inner {
    position: relative;
    display: grid;
    grid-template-columns: minmax(0, 1.12fr) minmax(0, 0.88fr);
    gap: 48px;
    align-items: center;
    padding-top: 20px;
}

.hero-copy h1 {
    font-size: clamp(34px, 3.6vw, 46px);
    line-height: 1.18;
    letter-spacing: -0.015em;
    margin: 16px 0 14px;
    max-width: 16em;
}
.hero-lead { font-size: 17px; color: var(--text-2); max-width: 34em; }
.hero-note { margin-top: 8px; font-size: 13.5px; color: var(--text-3); max-width: 36em; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 14px; margin-top: 16px; }
.hero-foot {
    display: flex;
    align-items: center;
    gap: 7px;
    margin-top: 16px;
    font-size: 12.5px;
    color: var(--text-3);
}
.hero-foot .icon { color: var(--green); }

/* 首屏右侧运维面板 */
.hero-visual { position: relative; }
.viz-card {
    position: relative;
    border-radius: 20px;
    border: 1px solid rgba(15, 40, 75, 0.10);
    background: linear-gradient(160deg, #ffffff, #f4f8fd);
    box-shadow: 0 34px 70px rgba(15, 40, 75, 0.14), inset 0 1px 0 rgba(255, 255, 255, 0.9);
    padding: 20px 22px 16px;
    transform: rotate(-1.2deg);
    overflow: hidden;
}
.viz-card::before {
    content: "";
    position: absolute;
    inset: 0;
    background: radial-gradient(600px 220px at 20% 0%, rgba(7, 182, 213, 0.08), transparent 70%);
    pointer-events: none;
}
.viz-head { display: flex; align-items: center; justify-content: space-between; padding-bottom: 14px; border-bottom: 1px solid rgba(15, 40, 75, 0.08); }
.viz-live { display: inline-flex; align-items: center; gap: 8px; font-size: 13px; color: var(--text); font-weight: 600; }
.viz-live i { width: 7px; height: 7px; border-radius: 50%; background: #16a34a; box-shadow: 0 0 10px rgba(22, 163, 74, 0.6); animation: pulse 2s infinite; }
.viz-tag { font-size: 10px; letter-spacing: 0.22em; color: var(--text-3); }

.viz-body { display: flex; flex-direction: column; gap: 14px; padding: 18px 0 16px; }
.viz-row { display: grid; grid-template-columns: 92px 1fr 52px; align-items: center; gap: 12px; font-size: 12.5px; color: var(--text-2); }
.viz-row b { text-align: right; font-size: 12.5px; color: var(--text); font-weight: 600; font-variant-numeric: tabular-nums; }
.viz-bar { height: 6px; border-radius: 4px; background: rgba(15, 40, 75, 0.08); overflow: hidden; }
.viz-bar i {
    display: block;
    height: 100%;
    width: 0;
    background: linear-gradient(90deg, #07b6d5, #2f6bff);
    box-shadow: 0 0 10px rgba(7, 182, 213, 0.4);
    animation: bar-fill 1.4s cubic-bezier(0.2, 0.7, 0.2, 1) forwards;
    animation-delay: 0.35s;
}
@keyframes bar-fill { to { width: var(--v); } }

.viz-split { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1px; background: rgba(15, 40, 75, 0.07); border-radius: 10px; overflow: hidden; }
.viz-split > div { background: #ffffff; padding: 12px 10px; text-align: center; }
.viz-split small { display: block; font-size: 11px; color: var(--text-3); margin-bottom: 4px; }
.viz-split strong { font-size: 22px; color: var(--text); font-variant-numeric: tabular-nums; }
.viz-split strong span { font-size: 11px; color: var(--text-3); margin-left: 2px; font-weight: 500; }

.viz-foot { display: flex; align-items: center; gap: 8px; padding-top: 12px; font-size: 11px; color: var(--text-3); }
.viz-foot .dot-live { width: 6px; height: 6px; border-radius: 50%; background: #16a34a; box-shadow: 0 0 8px rgba(22, 163, 74, 0.5); }

.viz-chip {
    position: absolute;
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 7px 12px;
    border-radius: 999px;
    font-size: 11.5px;
    color: #33506e;
    background: rgba(255, 255, 255, 0.95);
    border: 1px solid rgba(15, 40, 75, 0.10);
    box-shadow: 0 12px 30px rgba(15, 40, 75, 0.14);
    backdrop-filter: blur(8px);
    animation: float 6s ease-in-out infinite;
}
.viz-chip .icon { color: var(--cyan); }
.chip-a { top: -18px; right: 8%; animation-delay: 0.4s; }
.chip-b { bottom: 24px; right: -22px; animation-delay: 1.6s; }
.chip-c { bottom: -20px; left: -24px; animation-delay: 2.4s; }
@keyframes float { 0%, 100% { transform: translateY(0); } 50% { transform: translateY(-8px); } }
@keyframes pulse { 0%, 100% { opacity: 1; } 50% { opacity: 0.35; } }

/* 品牌条 */
.brand-strip { position: relative; display: flex; align-items: center; gap: 24px; margin-top: 20px; padding-top: 12px; border-top: 1px solid rgba(15, 40, 75, 0.08); }
.strip-label { font-size: 11px; letter-spacing: 0.2em; color: var(--text-3); text-transform: uppercase; flex: none; }
.strip-list { display: flex; flex-wrap: wrap; gap: 18px 24px; }
.strip-list li { font-size: 12.5px; letter-spacing: 0.16em; color: rgba(70, 90, 120, 0.55); text-transform: uppercase; transition: color 0.3s; }
.strip-list li:hover { color: rgba(25, 45, 75, 0.9); }

/* ---------- 能力卡片 ---------- */
.feature-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 12px; }
.feature-card { padding: 20px 20px 18px; transition: transform 0.3s ease, border-color 0.3s ease, box-shadow 0.3s; }
.feature-card:hover { transform: translateY(-6px); border-color: rgba(7, 150, 184, 0.35); box-shadow: 0 22px 48px rgba(15, 40, 75, 0.12); }
.feature-icon {
    width: 46px;
    height: 46px;
    display: grid;
    place-items: center;
    border-radius: 12px;
    color: var(--cyan);
    background: linear-gradient(150deg, rgba(7, 182, 213, 0.14), rgba(47, 107, 255, 0.08));
    border: 1px solid rgba(7, 182, 213, 0.22);
    margin-bottom: 18px;
}
.feature-card h3 { font-size: 17px; margin-bottom: 9px; }
.feature-card p { font-size: 13.5px; color: var(--text-2); line-height: 1.72; }

/* ---------- 产品卡片 ---------- */
.card-grid { display: grid; gap: 12px; }
.card-grid-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.card-grid-4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }

.product-card {
    display: flex;
    flex-direction: column;
    background: #ffffff;
    border: 1px solid var(--line);
    border-radius: var(--radius);
    overflow: hidden;
    box-shadow: 0 10px 28px rgba(15, 40, 75, 0.06);
    transition: transform 0.35s cubic-bezier(0.2, 0.7, 0.2, 1), border-color 0.35s, box-shadow 0.35s;
}
.product-card:hover { transform: translateY(-6px); border-color: rgba(7, 150, 184, 0.35); box-shadow: 0 26px 56px rgba(15, 40, 75, 0.14); }

.product-cover { position: relative; display: block; aspect-ratio: 4 / 3; overflow: hidden; background: #e8eef6; }
.product-cover img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.7s cubic-bezier(0.2, 0.7, 0.2, 1); }
.product-card:hover .product-cover img { transform: scale(1.045); }
.cover-shade { position: absolute; inset: 0; background: linear-gradient(180deg, rgba(5, 12, 22, 0.02) 40%, rgba(5, 12, 22, 0.35) 100%); }

.product-body { padding: 16px 18px 18px; display: flex; flex-direction: column; gap: 6px; flex: 1; }
.product-meta { display: flex; align-items: center; justify-content: space-between; gap: 10px; }
.product-idx, .product-views { font-size: 11px; color: var(--text-3); letter-spacing: 0.08em; font-variant-numeric: tabular-nums; }
.product-body h3 { font-size: 18px; line-height: 1.4; }
.product-body h3 a:hover { color: var(--cyan); }
.product-body p { font-size: 13.5px; color: var(--text-2); flex: 1; min-height: 5.25em; }
.product-link { display: inline-flex; align-items: center; gap: 4px; font-size: 12.5px; color: #0a7f97; margin-top: 4px; }
.product-link:hover { color: var(--blue); }

/* ---------- 解决方案卡片 ---------- */
.solution-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 14px; }
.solution-card {
    position: relative;
    display: block;
    aspect-ratio: 4 / 3.35;
    border-radius: var(--radius);
    overflow: hidden;
    border: 1px solid var(--line);
    background: #e8eef6;
    box-shadow: 0 10px 28px rgba(15, 40, 75, 0.06);
}
.solution-card img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; transition: transform 0.8s cubic-bezier(0.2, 0.7, 0.2, 1); }
.solution-card:hover img { transform: scale(1.06); }
.solution-shade { position: absolute; inset: 0; background: linear-gradient(180deg, rgba(8, 16, 29, 0.10) 30%, rgba(8, 16, 29, 0.82) 100%); }
.solution-content { position: absolute; inset: auto 0 0 0; padding: 18px; display: flex; flex-direction: column; gap: 6px; }
.solution-content h3 { font-size: 19px; color: #fff; }
.solution-content p { font-size: 13px; color: rgba(228, 238, 248, 0.85); }
.solution-more { font-size: 12px; color: #a9eef7; margin-top: 2px; }

/* 解决方案列表（横条） */
.solution-list { display: flex; flex-direction: column; gap: 14px; }
.solution-row {
    position: relative;
    display: grid;
    grid-template-columns: 300px minmax(0, 1fr);
    gap: 0;
    border: 1px solid var(--line);
    border-radius: var(--radius);
    overflow: hidden;
    background: #ffffff;
    box-shadow: 0 10px 28px rgba(15, 40, 75, 0.05);
    transition: border-color 0.3s, transform 0.3s, box-shadow 0.3s;
}
.solution-row:hover { border-color: rgba(7, 150, 184, 0.35); transform: translateY(-3px); box-shadow: 0 20px 44px rgba(15, 40, 75, 0.10); }
.solution-row-media { display: block; aspect-ratio: 16 / 10; overflow: hidden; background: #e8eef6; }
.solution-row-media img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.6s; }
.solution-row:hover .solution-row-media img { transform: scale(1.04); }
.solution-row-body { padding: 20px 26px; display: flex; flex-direction: column; gap: 8px; justify-content: center; }
.solution-row-body h3 { font-size: 21px; padding-right: 110px; }
.solution-row-body h3 a:hover { color: var(--cyan); }
.solution-row-body p { color: var(--text-2); font-size: 14px; max-width: 52ch; padding-right: 110px; }
.solution-row-body > .product-link { position: absolute; right: 26px; top: 50%; transform: translateY(-50%); margin-top: 0; font-size: 13px; white-space: nowrap; }

/* ---------- 数据指标 ---------- */
.metrics-band {
    position: relative;
    padding: 20px 0;
    border-top: 1px solid rgba(15, 40, 75, 0.07);
    border-bottom: 1px solid rgba(15, 40, 75, 0.07);
    background:
        radial-gradient(700px 300px at 50% 0%, rgba(7, 182, 213, 0.07), transparent 70%),
        linear-gradient(180deg, #ffffff, #f4f8fc);
}
.metrics-head { text-align: center; margin-bottom: 14px; }
.metrics-head h2 { font-size: clamp(22px, 2.4vw, 30px); margin-bottom: 8px; }
.metrics-head p { color: var(--text-2); font-size: 14.5px; }
.metrics-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); }
.metric { text-align: center; padding: 6px 18px; border-right: 1px solid rgba(15, 40, 75, 0.08); }
.metric:last-child { border-right: 0; }
.metric-value { display: flex; align-items: baseline; justify-content: center; gap: 3px; }
.metric-value span {
    font-size: clamp(34px, 4vw, 52px);
    font-weight: 750;
    letter-spacing: -0.02em;
    background: linear-gradient(135deg, #07b6d5 0%, #2f6bff 60%, #7a4df6 100%);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
    font-variant-numeric: tabular-nums;
}
.metric-value i { font-style: normal; font-size: 14px; color: var(--text-3); }
.metric p { margin-top: 6px; font-size: 13px; color: var(--text-3); letter-spacing: 0.04em; }

/* ---------- 案例 ---------- */
.case-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 12px; }
.case-card { padding: 20px 20px 22px; display: flex; flex-direction: column; gap: 8px; transition: transform 0.3s, border-color 0.3s, box-shadow 0.3s; }
.case-card:hover { transform: translateY(-5px); border-color: rgba(7, 150, 184, 0.35); box-shadow: 0 20px 44px rgba(15, 40, 75, 0.10); }
.case-top { display: flex; align-items: center; justify-content: space-between; gap: 12px; }
.case-metric { font-size: 12px; color: var(--cyan); font-variant-numeric: tabular-nums; }
.case-card h3 { font-size: 17px; line-height: 1.45; }
.case-card p { font-size: 13.5px; color: var(--text-2); }

/* ---------- 新闻列表 ---------- */
.news-list { display: flex; flex-direction: column; border-top: 1px solid var(--line); }
.news-item {
    display: grid;
    grid-template-columns: 96px minmax(0, 1fr) 40px;
    gap: 18px;
    align-items: center;
    padding: 18px 6px;
    border-bottom: 1px solid var(--line);
    transition: background 0.25s, padding-left 0.25s;
}
.news-item:hover { background: rgba(15, 40, 75, 0.03); padding-left: 18px; }
.news-item time { display: flex; flex-direction: column; line-height: 1.1; border-left: 2px solid rgba(7, 150, 184, 0.45); padding-left: 14px; }
.news-item time b { font-size: 22px; font-variant-numeric: tabular-nums; }
.news-item time span { font-size: 11px; color: var(--text-3); margin-top: 4px; }
.news-cat { font-size: 11px; letter-spacing: 0.12em; color: var(--cyan); text-transform: uppercase; margin-bottom: 6px; }
.news-main h3 { font-size: 18px; margin-bottom: 6px; }
.news-item:hover h3 { color: var(--blue); }
.news-main p { font-size: 13.5px; color: var(--text-2); }
.news-arrow { color: var(--text-3); transition: color 0.25s, transform 0.25s; }
.news-item:hover .news-arrow { color: var(--cyan); transform: translateX(4px); }

/* 新闻卡片网格 */
.news-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 12px; }
.news-grid-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.news-card {
    display: flex;
    flex-direction: column;
    border: 1px solid var(--line);
    border-radius: var(--radius);
    overflow: hidden;
    background: #ffffff;
    box-shadow: 0 10px 28px rgba(15, 40, 75, 0.05);
    transition: transform 0.3s, border-color 0.3s, box-shadow 0.3s;
}
.news-card:hover { transform: translateY(-5px); border-color: rgba(7, 150, 184, 0.35); box-shadow: 0 20px 44px rgba(15, 40, 75, 0.10); }
.news-card-media { display: block; aspect-ratio: 16 / 10; overflow: hidden; background: #e8eef6; }
.news-card-media img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.7s; }
.news-card:hover .news-card-media img { transform: scale(1.05); }
.news-card-body { padding: 16px 18px 18px; display: flex; flex-direction: column; gap: 6px; flex: 1; }
.news-card-meta { display: flex; align-items: center; justify-content: space-between; gap: 10px; font-size: 11.5px; color: var(--text-3); }
.news-card-body h3 { font-size: 17.5px; line-height: 1.45; }
.news-card-body h3 a:hover { color: var(--cyan); }
.news-card-body p { font-size: 13.5px; color: var(--text-2); flex: 1; min-height: 5.25em; }

/* ---------- CTA ---------- */
.cta-section { padding-top: 6px; }
.cta-panel {
    position: relative;
    display: grid;
    grid-template-columns: minmax(0, 1.3fr) minmax(0, 0.7fr);
    gap: 24px;
    align-items: center;
    padding: 26px 30px;
    border-radius: 24px;
    border: 1px solid rgba(7, 150, 184, 0.28);
    background:
        radial-gradient(600px 300px at 0% 0%, rgba(7, 182, 213, 0.12), transparent 60%),
        radial-gradient(600px 300px at 100% 100%, rgba(122, 77, 246, 0.12), transparent 60%),
        linear-gradient(150deg, #ffffff, #f1f7fd);
    box-shadow: 0 34px 80px rgba(15, 40, 75, 0.12), inset 0 1px 0 rgba(255, 255, 255, 0.9);
    overflow: hidden;
}
.cta-glow { position: absolute; width: 380px; height: 380px; right: -120px; top: -140px; background: radial-gradient(circle, rgba(7, 182, 213, 0.18), transparent 65%); filter: blur(40px); }
.cta-copy h2 { font-size: clamp(26px, 3vw, 38px); margin-bottom: 12px; }
.cta-copy > p { color: var(--text-2); max-width: 44ch; }
.cta-note { font-size: 13px; color: var(--text-3); margin-top: 10px; }
.cta-actions { display: flex; flex-direction: column; gap: 16px; align-items: flex-start; }
.cta-phone { display: inline-flex; align-items: center; gap: 12px; color: var(--text-2); }
.cta-phone .icon { color: var(--cyan); }
.cta-phone span { display: flex; flex-direction: column; line-height: 1.3; }
.cta-phone small { font-size: 11px; color: var(--text-3); }
.cta-phone b { font-size: 19px; color: var(--text); font-variant-numeric: tabular-nums; }
.cta-foot { font-size: 11.5px; color: var(--text-3); max-width: 26ch; }

/* ---------- 页脚 ---------- */
.site-footer {
    position: relative;
    margin-top: 0;
    padding: 28px 0 0;
    border-top: 1px solid rgba(15, 40, 75, 0.08);
    background: linear-gradient(180deg, #f1f5fa, #e9eff6);
    overflow: hidden;
}
.footer-glow { position: absolute; width: 700px; height: 300px; left: 50%; top: -160px; transform: translateX(-50%); background: radial-gradient(ellipse, rgba(7, 182, 213, 0.10), transparent 65%); pointer-events: none; }
.footer-grid { display: grid; grid-template-columns: 1.5fr 0.9fr 1.3fr; gap: 24px; padding-bottom: 20px; }
.brand-footer .brand-mark { width: 44px; height: 44px; }
.footer-about { margin-top: 14px; font-size: 13.5px; color: var(--text-2); max-width: 34ch; }
.footer-about p { margin: 0; }
.footer-title { font-size: 13px; letter-spacing: 0.14em; text-transform: uppercase; color: var(--text-3); margin-bottom: 12px; font-weight: 600; }
.footer-links { display: flex; flex-direction: column; gap: 10px; font-size: 13.5px; color: var(--text-2); }
.footer-links a:hover { color: var(--cyan); }
.contact-links li { display: flex; align-items: flex-start; gap: 9px; line-height: 1.6; }
.contact-links .icon { color: var(--text-3); margin-top: 4px; }
.social-list { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 18px; }
.social-chip {
    display: inline-flex;
    align-items: center;
    height: 26px;
    padding: 0 10px;
    border-radius: 999px;
    font-size: 11.5px;
    color: var(--text-2);
    border: 1px solid var(--line);
    background: #ffffff;
}
a.social-chip:hover { color: var(--cyan); border-color: rgba(7, 150, 184, 0.4); }

.footer-bottom {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    padding: 12px 0 16px;
    border-top: 1px solid rgba(15, 40, 75, 0.08);
    font-size: 12px;
    color: var(--text-3);
}
.footer-bottom a:hover { color: var(--cyan); }
.footer-meta { display: flex; align-items: center; gap: 8px; }

/* ---------- 通用页头 ---------- */
.page-hero { position: relative; padding: 14px 0 0; overflow: hidden; }
.page-hero-bg { position: absolute; inset: 0; pointer-events: none; }
.page-hero .glow-1 { width: 480px; height: 480px; left: -140px; top: -220px; opacity: 0.5; }
.breadcrumb { display: flex; flex-wrap: wrap; align-items: center; gap: 8px; font-size: 12px; color: var(--text-3); margin-bottom: 10px; }
.breadcrumb a:hover { color: var(--cyan); }
.page-title { font-size: clamp(30px, 3.6vw, 48px); line-height: 1.2; margin-bottom: 14px; max-width: 20em; }
.page-lead { color: var(--text-2); font-size: 15.5px; max-width: 60ch; }

/* ---------- 筛选 ---------- */
.filter-bar { display: flex; align-items: center; justify-content: space-between; gap: 20px; margin-bottom: 24px; flex-wrap: wrap; }
.filter-chips { display: flex; flex-wrap: wrap; gap: 8px; }
.chip {
    display: inline-flex;
    align-items: center;
    height: 38px;
    padding: 0 16px;
    border-radius: 999px;
    font-size: 13.5px;
    color: var(--text-2);
    border: 1px solid var(--line);
    background: #ffffff;
    transition: all 0.2s;
}
.chip:hover { color: var(--text); border-color: var(--line-strong); }
.chip.is-active {
    color: #ffffff;
    background: var(--grad);
    border-color: transparent;
    font-weight: 600;
    box-shadow: 0 10px 24px rgba(47, 107, 255, 0.28);
}
.filter-count { font-size: 13px; color: var(--text-3); }
.filter-count b { color: var(--text); font-variant-numeric: tabular-nums; }

.list-search { display: flex; align-items: center; gap: 6px; }
.list-search input {
    width: 200px;
    height: 38px;
    padding: 0 14px;
    border-radius: 999px;
    border: 1px solid var(--line);
    background: #ffffff;
    color: var(--text);
    font-size: 13px;
    font-family: inherit;
}
.list-search input:focus { outline: none; border-color: rgba(7, 150, 184, 0.55); box-shadow: 0 0 0 3px rgba(7, 182, 213, 0.12); }
.list-search button {
    width: 38px;
    height: 38px;
    border-radius: 50%;
    border: 1px solid var(--line);
    background: #ffffff;
    color: var(--text-2);
    cursor: pointer;
}
.list-search button:hover { color: var(--cyan); border-color: rgba(7, 150, 184, 0.45); }

/* ---------- 详情页 ---------- */
.detail-layout { display: grid; grid-template-columns: minmax(0, 1fr) 320px; gap: 28px; align-items: start; }
.detail-cover { border-radius: var(--radius); overflow: hidden; border: 1px solid var(--line); margin-bottom: 18px; background: #e8eef6; }
.detail-cover img { width: 100%; aspect-ratio: 16 / 9; object-fit: cover; }

.detail-facts { display: flex; flex-wrap: wrap; gap: 10px; margin-bottom: 12px; }
.detail-facts > div { display: flex; align-items: center; gap: 8px; padding: 8px 14px; border-radius: 10px; border: 1px solid var(--line); background: #ffffff; font-size: 12px; }
.detail-facts dt { color: var(--text-3); }
.detail-facts dd { margin: 0; color: var(--text); font-variant-numeric: tabular-nums; }

.detail-summary { font-size: 15.5px; color: var(--text-2); padding: 12px 16px; border-left: 2px solid rgba(7, 150, 184, 0.55); background: rgba(7, 182, 213, 0.06); border-radius: 0 12px 12px 0; margin-bottom: 18px; }

.detail-aside { position: sticky; top: 100px; display: flex; flex-direction: column; gap: 16px; }
.aside-card { padding: 18px; }
.aside-badge { display: inline-flex; align-items: center; gap: 6px; font-size: 11.5px; letter-spacing: 0.1em; color: var(--cyan); margin-bottom: 12px; text-transform: uppercase; }
.aside-card h3 { font-size: 17px; margin-bottom: 10px; }
.aside-card p { font-size: 13px; color: var(--text-2); margin-bottom: 16px; }
.aside-list { display: flex; flex-direction: column; gap: 8px; margin-top: 16px; font-size: 12.5px; color: var(--text-2); }
.aside-list li { display: flex; align-items: center; gap: 7px; }
.aside-list .icon { color: var(--green); }
.aside-card-plain { background: #ffffff; border: 1px solid var(--line); border-radius: var(--radius); box-shadow: 0 10px 28px rgba(15, 40, 75, 0.05); }
.aside-phone { display: inline-flex; align-items: center; gap: 8px; font-size: 20px; color: var(--text); font-variant-numeric: tabular-nums; }
.aside-phone .icon { color: var(--cyan); }

.detail-nav { display: flex; justify-content: space-between; gap: 16px; margin-top: 8px; }
.detail-nav-link { display: flex; flex-direction: column; gap: 4px; padding: 16px 22px; border: 1px solid var(--line); border-radius: 14px; background: #ffffff; min-width: 240px; transition: border-color 0.2s, background 0.2s; }
.detail-nav-link:hover { border-color: rgba(7, 150, 184, 0.4); background: rgba(7, 182, 213, 0.05); }
.detail-nav-link span { font-size: 11px; color: var(--text-3); letter-spacing: 0.1em; }
.detail-nav-link b { font-size: 14px; font-weight: 600; }
.detail-nav-link.is-next { text-align: right; margin-left: auto; }

/* ---------- 富文本 ---------- */
.prose { color: #38506a; font-size: 15px; line-height: 1.85; }
.prose > * + * { margin-top: 16px; }
.prose h2 { font-size: 23px; color: var(--text); margin-top: 24px; margin-bottom: 6px; }
.prose h3 { font-size: 18px; color: #17293f; margin-top: 22px; margin-bottom: 4px; }
.prose p { margin: 0; }
.prose ul, .prose ol { padding-left: 4px; display: flex; flex-direction: column; gap: 8px; }
.prose ul li, .prose ol li { position: relative; padding-left: 20px; }
.prose ul li::before { content: ""; position: absolute; left: 2px; top: 10px; width: 6px; height: 6px; border-radius: 50%; background: rgba(7, 150, 184, 0.8); box-shadow: 0 0 8px rgba(7, 182, 213, 0.35); }
.prose ol { counter-reset: item; }
.prose ol li { counter-increment: item; }
.prose ol li::before { content: counter(item); position: absolute; left: 0; top: 1px; font-size: 12px; color: var(--cyan); font-weight: 600; }
.prose a { color: var(--cyan); border-bottom: 1px solid rgba(7, 150, 184, 0.35); }
.prose a:hover { color: var(--blue); }
.prose strong { color: var(--text); }
.prose blockquote { margin: 24px 0; padding: 16px 20px; border-left: 2px solid rgba(7, 150, 184, 0.45); background: rgba(7, 182, 213, 0.06); border-radius: 0 12px 12px 0; color: var(--text-2); }
.prose img { border-radius: 12px; border: 1px solid var(--line); margin: 22px 0; }
.prose table { width: 100%; border-collapse: collapse; margin: 22px 0; font-size: 13.5px; overflow: hidden; border-radius: 12px; }
.prose th { text-align: left; padding: 12px 14px; background: rgba(7, 182, 213, 0.08); color: #0a6d84; font-weight: 600; border-bottom: 1px solid rgba(7, 150, 184, 0.22); }
.prose td { padding: 12px 14px; border-bottom: 1px solid rgba(15, 40, 75, 0.08); color: var(--text-2); }
.prose tr:last-child td { border-bottom: 0; }
.prose code { font-family: ui-monospace, SFMono-Regular, Menlo, monospace; font-size: 13px; background: rgba(15, 40, 75, 0.06); padding: 2px 6px; border-radius: 5px; }

/* ---------- 关于 ---------- */
.about-intro { display: grid; grid-template-columns: minmax(0, 1.15fr) minmax(0, 0.85fr); gap: 28px; align-items: start; }
.about-sub { color: var(--text-2); font-size: 15px; margin: -2px 0 18px; }
.about-figure { position: relative; margin: 0; border-radius: var(--radius); overflow: hidden; border: 1px solid var(--line); box-shadow: 0 18px 44px rgba(15, 40, 75, 0.10); }
.about-figure img { width: 100%; aspect-ratio: 4 / 3.2; object-fit: cover; }
.about-figure figcaption { position: absolute; inset: auto 0 0 0; display: flex; align-items: center; gap: 8px; padding: 14px 18px; font-size: 12px; color: rgba(255, 255, 255, 0.92); background: linear-gradient(180deg, transparent, rgba(8, 16, 29, 0.8)); }
.about-figure figcaption span { width: 6px; height: 6px; border-radius: 50%; background: #22d3ee; }

.timeline { position: relative; display: flex; flex-direction: column; gap: 0; padding-left: 10px; }
.timeline::before { content: ""; position: absolute; left: 84px; top: 12px; bottom: 12px; width: 1px; background: linear-gradient(180deg, rgba(7, 150, 184, 0.45), rgba(7, 150, 184, 0.08)); }
.timeline-item { display: grid; grid-template-columns: 74px minmax(0, 1fr); gap: 16px; padding: 9px 0; position: relative; }
.timeline-year { font-size: 15px; font-weight: 700; color: var(--cyan); font-variant-numeric: tabular-nums; }
.timeline-body { position: relative; padding-left: 4px; }
.timeline-body::before { content: ""; position: absolute; left: -37px; top: 8px; width: 9px; height: 9px; border-radius: 50%; background: var(--cyan); box-shadow: 0 0 12px rgba(7, 182, 213, 0.5); }
.timeline-body h3 { font-size: 17px; margin-bottom: 6px; }
.timeline-body p { font-size: 13.5px; color: var(--text-2); }

.team-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 18px; }
.team-card {
    padding: 28px 20px 24px;
    text-align: center;
    border: 1px solid rgba(7, 150, 184, 0.08);
}
.team-avatar {
    width: 84px;
    height: 84px;
    display: grid;
    place-items: center;
    border-radius: 50%;
    font-size: 30px;
    font-weight: 700;
    color: #ffffff;
    background: linear-gradient(145deg, #07b6d5, #7a4df6);
    box-shadow:
        0 0 0 3px #ffffff,
        0 16px 36px rgba(47, 107, 255, 0.22),
        0 4px 12px rgba(7, 150, 184, 0.18);
    margin: 0 auto 18px;
    overflow: hidden;
    position: relative;
}
.team-avatar::after {
    content: "";
    position: absolute;
    inset: -4px;
    border-radius: 50%;
    background: conic-gradient(from 140deg, rgba(7, 182, 213, 0.45), rgba(122, 77, 246, 0.45), rgba(7, 182, 213, 0.45));
    z-index: -1;
    filter: blur(8px);
    opacity: 0.7;
}
.team-avatar.has-photo { background: #e8f1f7; box-shadow: 0 0 0 3px #ffffff, 0 16px 36px rgba(47, 107, 255, 0.18), 0 4px 12px rgba(7, 150, 184, 0.14); }
.team-avatar.has-photo::after { opacity: 0.55; }
.team-avatar img { width: 100%; height: 100%; display: block; object-fit: cover; object-position: center; border-radius: inherit; }
.team-card h3 { font-size: 17px; letter-spacing: -0.01em; color: var(--text); }
.team-card:hover { transform: translateY(-3px); }
.team-card:hover .team-avatar::after { opacity: 0.95; filter: blur(10px); }
.team-role {
    font-size: 12px;
    color: var(--cyan);
    letter-spacing: 0.10em;
    margin: 6px 0 14px;
    font-weight: 600;
    text-transform: uppercase;
    display: inline-block;
    padding: 3px 10px;
    background: rgba(7, 182, 213, 0.09);
    border-radius: 999px;
}
.team-desc { font-size: 13px; color: var(--text-2); line-height: 1.7; }

.cert-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 12px; }
.cert-card { padding: 16px 18px; border: 1px solid var(--line); border-radius: var(--radius); background: #ffffff; box-shadow: 0 10px 28px rgba(15, 40, 75, 0.05); }
.cert-icon { width: 38px; height: 38px; display: grid; place-items: center; border-radius: 10px; color: var(--cyan); background: rgba(7, 182, 213, 0.10); margin-bottom: 14px; }
.cert-card h3 { font-size: 16px; margin-bottom: 8px; }
.cert-card p { font-size: 13px; color: var(--text-2); }

/* ---------- 联系 ---------- */
.contact-layout { display: grid; grid-template-columns: minmax(0, 0.95fr) minmax(0, 1.05fr); gap: 28px; align-items: start; }
.contact-layout.is-single { grid-template-columns: minmax(0, 1fr); }
.contact-sub { color: var(--text-2); font-size: 15px; margin-bottom: 14px; }
.contact-cards { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 12px; margin-top: 16px; }
.contact-card { display: flex; align-items: center; gap: 13px; padding: 16px 18px; border-radius: 14px; transition: border-color 0.2s, transform 0.2s, box-shadow 0.2s; }
.contact-card:hover { border-color: rgba(7, 150, 184, 0.4); transform: translateY(-3px); box-shadow: 0 16px 36px rgba(15, 40, 75, 0.10); }
.contact-icon { width: 38px; height: 38px; display: grid; place-items: center; border-radius: 10px; color: var(--cyan); background: rgba(7, 182, 213, 0.10); flex: none; }
.contact-card span:last-child { display: flex; flex-direction: column; line-height: 1.45; min-width: 0; }
.contact-card small { font-size: 11px; color: var(--text-3); }
.contact-card b { font-size: 14px; font-weight: 600; overflow-wrap: anywhere; }
.contact-points { display: flex; flex-direction: column; gap: 10px; margin-top: 16px; }
.contact-points li { display: flex; flex-direction: column; gap: 3px; padding-left: 16px; border-left: 2px solid rgba(7, 150, 184, 0.35); }
.contact-points b { font-size: 13.5px; color: var(--text); }
.contact-points span { font-size: 12.5px; color: var(--text-3); }

.contact-form-wrap { padding: 22px 24px 24px; }
.form-head h2 { font-size: 22px; margin-bottom: 6px; }
.form-head p { font-size: 13px; color: var(--text-3); margin-bottom: 14px; }
.contact-form { display: flex; flex-direction: column; gap: 14px; }
.field-row { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 16px; }
.field { display: flex; flex-direction: column; gap: 7px; }
.field label { font-size: 12.5px; color: var(--text-2); letter-spacing: 0.02em; }
.req { color: var(--cyan); }
.opt { color: var(--text-3); font-size: 11px; margin-left: 4px; }
.field input[type="text"], .field input[type="tel"], .field input[type="email"], .field textarea {
    width: 100%;
    height: 46px;
    padding: 0 14px;
    border-radius: 10px;
    border: 1px solid var(--line-strong);
    background: #ffffff;
    color: var(--text);
    font-size: 14px;
    font-family: inherit;
    transition: border-color 0.2s, background 0.2s, box-shadow 0.2s;
}
.field textarea { height: auto; padding: 12px 14px; resize: vertical; min-height: 120px; line-height: 1.7; }
.field input::placeholder, .field textarea::placeholder { color: rgba(110, 130, 155, 0.6); }
.field input:focus, .field textarea:focus { outline: none; border-color: rgba(7, 150, 184, 0.6); background: #ffffff; box-shadow: 0 0 0 3px rgba(7, 182, 213, 0.14); }
.field.has-error input, .field.has-error textarea { border-color: rgba(217, 48, 37, 0.55); }
.field-error { font-size: 12px; color: #d92d20; }
.field-tip { font-size: 11.5px; color: var(--text-3); }
.field-foot { display: flex; justify-content: space-between; align-items: center; gap: 12px; }
.field-count { font-size: 11px; color: var(--text-3); font-variant-numeric: tabular-nums; }

.subject-chips { display: flex; flex-wrap: wrap; gap: 8px; }
.chip-option input { position: absolute; opacity: 0; pointer-events: none; }
.chip-option span {
    display: inline-flex;
    align-items: center;
    height: 34px;
    padding: 0 13px;
    border-radius: 999px;
    font-size: 12.5px;
    color: var(--text-2);
    border: 1px solid var(--line);
    background: #ffffff;
    cursor: pointer;
    transition: all 0.2s;
}
.chip-option input:checked + span { color: #ffffff; background: var(--grad); border-color: transparent; font-weight: 600; box-shadow: 0 8px 20px rgba(47, 107, 255, 0.26); }
.chip-option input:focus-visible + span { outline: 2px solid var(--cyan); outline-offset: 2px; }

.hp-field { position: absolute; left: -9999px; width: 1px; height: 1px; overflow: hidden; }

.form-foot { display: flex; flex-direction: column; gap: 10px; align-items: flex-start; }
.form-privacy { font-size: 11.5px; color: var(--text-3); max-width: 44ch; }

.form-alert { display: flex; align-items: center; gap: 8px; padding: 12px 14px; border-radius: 10px; background: rgba(217, 48, 37, 0.06); border: 1px solid rgba(217, 48, 37, 0.22); color: #b42318; font-size: 13px; margin-bottom: 8px; }

/* 提示条 */
.flash-stack { display: flex; flex-direction: column; gap: 10px; margin-top: 24px; }
.flash { display: flex; align-items: flex-start; gap: 10px; padding: 14px 18px; border-radius: 12px; font-size: 13.5px; }
.flash-success { background: rgba(22, 163, 74, 0.08); border: 1px solid rgba(22, 163, 74, 0.25); color: #166534; }
.flash-success .icon { color: #16a34a; }
.flash-error { background: rgba(217, 48, 37, 0.06); border: 1px solid rgba(217, 48, 37, 0.22); color: #b42318; }
.flash-error .icon { color: #d92d20; }

/* ---------- 搜索 ---------- */
.search-wrap { max-width: 880px; }
.search-form { display: flex; gap: 10px; margin-bottom: 14px; }
.search-form input {
    flex: 1;
    height: 52px;
    padding: 0 20px;
    border-radius: 999px;
    border: 1px solid var(--line-strong);
    background: #ffffff;
    color: var(--text);
    font-size: 15px;
    font-family: inherit;
}
.search-form input:focus { outline: none; border-color: rgba(7, 150, 184, 0.6); box-shadow: 0 0 0 3px rgba(7, 182, 213, 0.12); }
.search-hint, .search-summary { font-size: 13.5px; color: var(--text-3); }
.search-summary b { color: var(--cyan); }
.search-group { margin-top: 22px; }
.search-group-head { display: flex; align-items: center; justify-content: space-between; gap: 16px; padding-bottom: 12px; border-bottom: 1px solid var(--line); margin-bottom: 8px; }
.search-group-head h2 { font-size: 17px; }
.search-group-head a { font-size: 12px; color: var(--text-3); }
.search-group-head a:hover { color: var(--cyan); }
.search-result { display: flex; align-items: center; gap: 16px; padding: 16px 12px; border-bottom: 1px solid rgba(15, 40, 75, 0.06); transition: background 0.2s, padding-left 0.2s; }
.search-result:hover { background: rgba(15, 40, 75, 0.03); padding-left: 18px; }
.search-result-main { flex: 1; min-width: 0; }
.search-result h3 { font-size: 15.5px; margin-bottom: 4px; }
.search-result p { font-size: 13px; color: var(--text-2); }
.search-result-go { color: var(--text-3); }

/* ---------- 分页 ---------- */
.pagination { display: flex; align-items: center; gap: 6px; margin-top: 22px; flex-wrap: wrap; }
.page-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 40px;
    height: 40px;
    padding: 0 14px;
    border-radius: 10px;
    border: 1px solid var(--line);
    background: #ffffff;
    font-size: 13px;
    color: var(--text-2);
    font-variant-numeric: tabular-nums;
}
a.page-btn:hover { border-color: rgba(7, 150, 184, 0.45); color: var(--cyan); }
.page-btn.is-current { background: var(--grad); color: #ffffff; border-color: transparent; font-weight: 700; box-shadow: 0 8px 20px rgba(47, 107, 255, 0.26); }
.page-btn.is-disabled { opacity: 0.35; pointer-events: none; }
.page-info { margin-left: auto; font-size: 12px; color: var(--text-3); }

/* ---------- 空状态 ---------- */
.empty-state { display: flex; flex-direction: column; align-items: center; text-align: center; gap: 12px; padding: 70px 20px; border: 1px dashed rgba(15, 40, 75, 0.18); border-radius: var(--radius); color: var(--text-3); }
.empty-state h2 { font-size: 18px; color: var(--text); margin-top: 8px; }
.empty-state p { font-size: 13.5px; max-width: 42ch; }
.empty-state .btn { margin-top: 10px; }
.empty-hint { color: var(--text-3); font-size: 13.5px; padding: 18px 0; }

/* ---------- 文章 ---------- */
.article-head { position: relative; padding: 28px 0 6px; overflow: hidden; }
.article-head-inner { max-width: 900px; }
.article-title { font-size: clamp(27px, 3.4vw, 42px); line-height: 1.28; margin: 12px 0 12px; }
.article-lead { color: var(--text-2); font-size: 15.5px; max-width: 62ch; }
.article-meta { display: flex; flex-wrap: wrap; gap: 18px; margin-top: 14px; font-size: 12.5px; color: var(--text-3); }
.article-meta span { display: inline-flex; align-items: center; gap: 6px; }
.article-section { padding-top: 20px; }
.article-container { max-width: 860px; }
.article-cover { border-radius: var(--radius); overflow: hidden; border: 1px solid var(--line); margin-bottom: 18px; }
.article-cover img { width: 100%; aspect-ratio: 16 / 9; object-fit: cover; }
.prose-article { font-size: 15.5px; }
.article-foot { display: flex; align-items: center; justify-content: space-between; gap: 18px; flex-wrap: wrap; margin-top: 24px; padding-top: 14px; border-top: 1px solid var(--line); }
.article-tags { display: flex; gap: 8px; }
.article-share { display: flex; align-items: center; gap: 12px; font-size: 12.5px; color: var(--text-3); }

/* ---------- 404 ---------- */
.error-page { position: relative; padding: 80px 0 60px; overflow: hidden; }
.error-inner { max-width: 620px; }
.error-code {
    font-size: clamp(80px, 16vw, 170px);
    font-weight: 800;
    line-height: 0.9;
    letter-spacing: -0.04em;
    background: linear-gradient(135deg, #07b6d5 0%, #2f6bff 60%, #7a4df6 100%);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
    margin-bottom: 18px;
}
.error-inner h1 { font-size: 28px; margin-bottom: 10px; }
.error-text { color: var(--text-2); font-size: 14.5px; }
.error-actions { display: flex; gap: 12px; margin-top: 26px; }
.error-links { display: flex; gap: 20px; margin-top: 20px; font-size: 13px; color: var(--text-3); }
.error-links a:hover { color: var(--cyan); }

/* ---------- 滚动入场 ---------- */
.has-js .reveal { opacity: 0; transform: translateY(24px); transition: opacity 0.75s cubic-bezier(0.2, 0.7, 0.2, 1), transform 0.75s cubic-bezier(0.2, 0.7, 0.2, 1); transition-delay: var(--d, 0s); }
.has-js .reveal.is-visible { opacity: 1; transform: none; }

@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after { animation-duration: 0.001ms !important; animation-iteration-count: 1 !important; transition-duration: 0.001ms !important; }
    .has-js .reveal { opacity: 1; transform: none; }
}

/* ---------- 响应式 ---------- */
@media (max-width: 1080px) {
    .main-nav { display: none; }
    .nav-toggle { display: flex; }
    .header-inner { justify-content: space-between; }
    .header-phone { display: none; }
    .hero-inner { grid-template-columns: 1fr; gap: 20px; }
    .hero { padding-top: 18px; }
    .hero-copy h1 { max-width: 20em; }
    .hero-visual { max-width: 520px; }
    .feature-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
    .card-grid-3, .card-grid-4, .solution-grid, .case-grid, .news-grid, .team-grid, .cert-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
    .detail-layout { grid-template-columns: 1fr; gap: 28px; }
    .detail-aside { position: static; flex-direction: row; }
    .detail-aside > * { flex: 1; }
    .about-intro, .contact-layout { grid-template-columns: 1fr; gap: 28px; }
    .footer-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 24px; }
    .metrics-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 24px 0; }
    .metric:nth-child(2) { border-right: 0; }
}

@media (max-width: 820px) {
    .section { padding: 16px 0; }
    .page-hero { padding-top: 10px; }
    .container { width: calc(100% - 36px); }
    .cta-panel { grid-template-columns: 1fr; padding: 18px 16px; gap: 14px; }
    .solution-row { grid-template-columns: 1fr; }
    .solution-row-media { aspect-ratio: 16 / 9; }
    .solution-row-body { padding: 16px 18px; }
    .solution-row-body h3, .solution-row-body p { padding-right: 0; }
    .solution-row-body > .product-link { position: static; transform: none; margin-top: 4px; }
    .metric { border-right: 0; }
    .article-title { font-size: 26px; }
    .detail-nav { flex-direction: column; }
    .detail-nav-link { min-width: 0; }
    .detail-nav-link.is-next { margin-left: 0; text-align: left; }
    .news-item { grid-template-columns: 70px minmax(0, 1fr); gap: 12px; }
    .news-arrow { display: none; }
}

@media (max-width: 640px) {
    .header-inner { height: 60px; }
    .mobile-nav { top: 60px; }
    main { padding-top: 60px; }
    .brand-mark { width: 36px; height: 36px; }
    .brand-text strong { font-size: 15.5px; }
    .brand-text em { font-size: 9.5px; letter-spacing: 0.1em; }
    .header-actions .btn-primary { display: none; }
    .hero { padding: 12px 0 10px; }
    .hero-copy h1 {
        font-size: clamp(24px, 6.3vw, 28px);
        line-height: 1.3;
        margin: 14px 0 12px;
        /* 移动端主标题最多 2 行（配合后台标题里的 | 手动换行） */
        display: -webkit-box;
        -webkit-box-orient: vertical;
        -webkit-line-clamp: 2;
        line-clamp: 2;
        overflow: hidden;
    }
    .hero-lead { font-size: 15.5px; }
    .hero-actions { margin-top: 14px; }
    .hero-actions .btn { flex: 1; }
    .hero-foot { margin-top: 12px; }
    .brand-strip { margin-top: 16px; padding-top: 10px; }
    .strip-list { gap: 10px 16px; }
    .section-head { margin-bottom: 12px; }
    /* 单列列表里标题行数不同会让卡片高矮跳动，统一预留两行 */
    .news-card-body h3 { min-height: 2.9em; }
    .viz-row { grid-template-columns: 78px 1fr 44px; }
    .viz-chip { font-size: 10.5px; padding: 6px 10px; }
    .chip-b { right: 0; }
    .chip-c { display: none; }
    /* 核心能力 + 团队：手机端一行两列 */
    .feature-grid, .team-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 12px; }
    .card-grid-3, .card-grid-4, .solution-grid, .case-grid, .news-grid, .cert-grid, .contact-cards, .field-row { grid-template-columns: 1fr; }
    .footer-grid { grid-template-columns: 1fr; gap: 18px; }
    .footer-bottom { flex-direction: column; align-items: flex-start; }
    .section-head-row { flex-direction: column; align-items: flex-start; }
    .cta-panel { padding: 18px 14px; }
    .contact-form-wrap { padding: 18px 14px 20px; }
    .detail-aside { flex-direction: column; }
    .search-form { flex-direction: column; }
    .search-form .btn { width: 100%; }
    .pagination .page-info { width: 100%; margin-left: 0; }
    .article-meta { gap: 12px; }
    .about-figure figcaption { padding: 10px 12px; }
    .list-search { width: 100%; }
    .list-search input { flex: 1; width: auto; }
}

/* ============================================================
   移动端优先重设计（≤768px）
   基准：8pt 栅格 · 左右 20px 安全边距 · 44px 触控热区
   明暗节奏：导航抽屉 / 首屏运行面板 / 页脚为深色，正文为白色留白
   ============================================================ */
@media (max-width: 768px) {
    :root {
        --pad: 20px;
        --radius: 18px;
        --shadow-soft: 0 10px 30px rgba(15, 40, 75, 0.07);
    }

    body.site-body { font-size: 16px; line-height: 1.72; padding-bottom: 72px; }
    .container { width: calc(100% - 2 * var(--pad)); }

    /* ---------- 顶栏 ---------- */
    .site-header {
        background: rgba(248, 250, 253, 0.78);
        backdrop-filter: blur(16px) saturate(150%);
        -webkit-backdrop-filter: blur(16px) saturate(150%);
        border-bottom: 1px solid rgba(15, 40, 75, 0.06);
    }
    .site-header.is-scrolled { background: rgba(255, 255, 255, 0.94); }
    .header-inner { height: 60px; gap: 14px; }
    main { padding-top: 60px; }
    .brand-mark { width: 38px; height: 38px; }
    .brand-text strong { font-size: 16px; }
    .brand-text em { font-size: 9px; letter-spacing: 0.12em; }
    .nav-toggle { width: 44px; height: 44px; border-radius: 12px; }

    /* ---------- 全屏抽屉导航 ---------- */
    .mobile-nav {
        top: 60px;
        left: 0;
        right: 0;
        bottom: 0;
        height: calc(100vh - 60px);
        height: calc(100dvh - 60px);
        padding: 0;
        border: 0;
        background:
            radial-gradient(680px 380px at 6% -8%, rgba(34, 211, 238, 0.18), transparent 62%),
            radial-gradient(560px 420px at 100% 6%, rgba(122, 77, 246, 0.20), transparent 64%),
            linear-gradient(180deg, #060b14 0%, #070d18 48%, #05080f 100%);
        box-shadow: none;
        opacity: 0;
        transform: translateY(-10px);
        transition: opacity 0.26s ease, transform 0.26s cubic-bezier(0.2, 0.7, 0.2, 1);
        overflow-y: auto;
        overscroll-behavior: contain;
        -webkit-overflow-scrolling: touch;
    }
    .mobile-nav.is-open { opacity: 1; transform: none; }
    .mobile-nav-body {
        display: flex;
        flex-direction: column;
        min-height: 100%;
        padding: 18px var(--pad) calc(20px + env(safe-area-inset-bottom));
    }
    .mobile-nav-label {
        margin: 0;
        font-size: 11px;
        letter-spacing: 0.32em;
        text-transform: uppercase;
        color: rgba(140, 200, 225, 0.62);
    }
    .mobile-nav-inner { display: flex; flex-direction: column; margin-top: 4px; }
    .mobile-nav-inner a {
        display: flex;
        align-items: center;
        gap: 14px;
        min-height: 56px;
        padding: 6px 0;
        font-size: 20px;
        font-weight: 600;
        letter-spacing: 0.01em;
        color: #eaf4ff;
        border-bottom: 1px solid rgba(255, 255, 255, 0.07);
    }
    .mobile-nav-inner a:active { color: #22d3ee; }
    .mn-idx { font-size: 11px; font-weight: 600; letter-spacing: 0.18em; color: rgba(34, 211, 238, 0.6); }
    .mobile-nav-search {
        display: flex;
        align-items: center;
        gap: 8px;
        margin-top: 22px;
        padding: 0 8px 0 14px;
        height: 54px;
        border-radius: 999px;
        background: rgba(255, 255, 255, 0.06);
        border: 1px solid rgba(255, 255, 255, 0.12);
        color: rgba(200, 225, 240, 0.7);
    }
    .mobile-nav-search input {
        flex: 1;
        min-width: 0;
        height: 100%;
        border: 0;
        background: transparent;
        color: #eaf4ff;
        font-family: inherit;
        font-size: 16px;
    }
    .mobile-nav-search input::placeholder { color: rgba(180, 205, 222, 0.62); }
    .mobile-nav-search input:focus { outline: none; }
    .mobile-nav-search button {
        flex: none;
        height: 40px;
        padding: 0 15px;
        border: 1px solid rgba(255, 255, 255, 0.16);
        border-radius: 999px;
        background: rgba(255, 255, 255, 0.08);
        color: #dff4ff;
        font-family: inherit;
        font-size: 13.5px;
        cursor: pointer;
    }
    .mobile-nav-foot {
        display: flex;
        flex-direction: column;
        gap: 14px;
        margin-top: auto;
        padding-top: 28px;
        color: #cfe2f2;
        font-size: 14px;
    }
    .mn-phone {
        display: inline-flex;
        align-items: center;
        gap: 8px;
        min-height: 44px;
        font-size: 17px;
        font-weight: 600;
        color: #eaf4ff;
        font-variant-numeric: tabular-nums;
    }
    .mobile-nav .btn-primary { height: 54px; font-size: 16px; }
    .mn-note { margin: 0; font-size: 12px; line-height: 1.6; color: rgba(180, 205, 222, 0.62); }

    /* ---------- 首屏（手机端 App 风格 v2） ---------- */
    .hero { padding: 12px 0 0; }
    .hero-inner { gap: 16px; padding-top: 2px; grid-template-columns: 1fr; }
    .pill { height: 25px; padding: 0 10px; font-size: 10.5px; border-radius: 13px; letter-spacing: 0.02em; }
    .pill-dot { width: 5px; height: 5px; }
    .hero-copy h1 {
        font-size: clamp(23px, 6.6vw, 27px);
        line-height: 1.26;
        letter-spacing: -0.03em;
        margin: 10px 0 8px;
        display: -webkit-box;
        -webkit-box-orient: vertical;
        -webkit-line-clamp: 2;
        line-clamp: 2;
        overflow: hidden;
    }
    .hero-lead { font-size: 13.5px; line-height: 1.62; margin-top: 0; color: var(--text-2); display: -webkit-box; -webkit-box-orient: vertical; -webkit-line-clamp: 3; line-clamp: 3; overflow: hidden; }
    .hero-note { display: none; }
    .hero-actions { flex-direction: row; gap: 9px; margin-top: 14px; }
    .hero-actions .btn { flex: 1 1 0; min-width: 0; height: 46px; padding: 0 8px; font-size: 13.5px; border-radius: 12px; }
    .hero-actions .btn .icon-sm { width: 14px; height: 14px; flex: none; }
    .hero-foot { margin-top: 10px; font-size: 11px; color: var(--text-3); display: flex; align-items: center; gap: 4px; }
    .hero-visual { max-width: none; }

    /* 运行中心：白底数据面板 + 2×2 指标格 */
    .viz-card {
        transform: none;
        border-radius: 18px;
        padding: 13px 13px 11px;
        background: #ffffff;
        border: 1px solid rgba(7, 150, 184, 0.14);
        box-shadow: 0 10px 28px rgba(7, 150, 184, 0.10);
        overflow: hidden;
    }
    .viz-card::before {
        content: '';
        display: block;
        position: absolute;
        top: 0; left: 0; right: 0; bottom: auto;
        height: 3px;
        border-radius: 3px 3px 0 0;
        background: linear-gradient(90deg, #07b6d5, #2f6bff);
        pointer-events: none;
    }
    .viz-head {
        padding: 0 0 9px;
        border-bottom: 1px solid rgba(15, 40, 75, 0.06);
        margin-bottom: 9px;
        display: flex;
        align-items: center;
        justify-content: space-between;
        gap: 8px;
    }
    .viz-head .viz-live { font-size: 12.5px; font-weight: 650; color: var(--text); display: flex; align-items: center; gap: 5px; }
    .viz-head .viz-live i { width: 6px; height: 6px; border-radius: 50%; background: var(--green); box-shadow: 0 0 0 3px rgba(22, 163, 74, 0.12); }
    .viz-tag { font-size: 9px; padding: 3px 8px; border-radius: 999px; letter-spacing: 0.1em; background: rgba(7, 150, 184, 0.08); color: var(--cyan); font-weight: 600; }
    .viz-body {
        display: grid;
        grid-template-columns: repeat(2, minmax(0, 1fr));
        gap: 1px;
        padding: 0;
        background: rgba(15, 40, 75, 0.06);
        border-radius: 12px;
        overflow: hidden;
    }
    .viz-row {
        display: flex;
        flex-direction: column;
        align-items: stretch;
        text-align: left;
        gap: 2px;
        padding: 10px 10px 9px;
        background: #fbfdff;
        border: 0;
        border-radius: 0;
    }
    .viz-row span { order: 0; font-size: 10px; color: var(--text-3); white-space: nowrap; letter-spacing: 0.01em; }
    .viz-row b { order: 1; text-align: left; font-size: 17px; color: var(--cyan); font-weight: 700; letter-spacing: -0.02em; font-variant-numeric: tabular-nums; }
    .viz-bar { order: 2; display: block; width: 100%; height: 3px; margin-top: 3px; border-radius: 2px; background: rgba(7, 150, 184, 0.10); overflow: hidden; }
    .viz-bar i { display: block; height: 100%; width: var(--v, 0%); border-radius: 2px; background: linear-gradient(90deg, #07b6d5, #2f6bff); }
    .viz-split { display: none; }
    .viz-foot { padding: 9px 0 0; font-size: 9.5px; color: var(--text-3); display: flex; align-items: center; gap: 6px; }
    .viz-foot .dot-live { width: 5px; height: 5px; }
    /* 手机端隐藏漂浮 chip，避免与卡片内容重叠 */
    .viz-chip { display: none; }

    /* 品牌生态：小标题 + 横向滑动胶囊 */
    .brand-strip {
        flex-direction: column;
        align-items: stretch;
        gap: 8px;
        margin-top: 14px;
        padding-top: 12px;
        border-top: 1px solid rgba(15, 40, 75, 0.06);
    }
    .strip-label { font-size: 9.5px; letter-spacing: 0.18em; color: var(--text-3); }
    .strip-list {
        display: flex;
        flex-wrap: nowrap;
        gap: 7px;
        padding: 0 26px 2px 0;
        overflow-x: auto;
        scroll-snap-type: x mandatory;
        -webkit-overflow-scrolling: touch;
        scrollbar-width: none;
        mask-image: linear-gradient(90deg, #000 86%, transparent 100%);
        -webkit-mask-image: linear-gradient(90deg, #000 86%, transparent 100%);
    }
    .strip-list::-webkit-scrollbar { display: none; }
    .strip-list > * {
        flex: none;
        scroll-snap-align: start;
        min-height: 0;
        padding: 5px 11px;
        font-size: 10.5px;
        letter-spacing: 0.04em;
        text-transform: none;
        color: var(--text-2);
        background: #ffffff;
        border: 1px solid rgba(15, 40, 75, 0.07);
        border-radius: 999px;
    }

    /* ---------- 区块节奏 ---------- */
    .section { padding: 22px 0; }
    .section-head, .section-head-row { margin-bottom: 16px; }
    .section-head-row { flex-direction: column; align-items: flex-start; gap: 10px; }
    .section-eyebrow { margin-bottom: 10px; }
    .section-title { font-size: 28px; line-height: 1.28; letter-spacing: -0.01em; margin-bottom: 12px; }
    .section-lead { font-size: 16px; line-height: 1.7; }
    .link-more { min-height: 44px; font-size: 14px; }
    .page-hero { padding: 12px 0 0; }
    .breadcrumb { margin-bottom: 8px; font-size: 13px; }

    /* ---------- 卡片：核心能力 + 团队两列 ---------- */
    .feature-grid, .team-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 10px; }
    .card-grid, .card-grid-3, .card-grid-4, .solution-grid, .case-grid,
    .news-grid, .cert-grid, .contact-cards { grid-template-columns: 1fr; gap: 14px; }
    .product-cover, .product-cover img, .news-card-media, .news-card-media img { aspect-ratio: 16 / 10; }
    .product-cover img, .news-card-media img { width: 100%; height: 100%; object-fit: cover; }
    .detail-cover img, .article-cover img { height: auto; }
    .solution-card { aspect-ratio: 16 / 10; }
    .feature-card, .product-card, .news-card, .case-card, .team-card, .cert-card, .aside-card, .glass {
        border-color: rgba(15, 40, 75, 0.07);
        box-shadow: var(--shadow-soft);
    }
    /* 两列核心能力卡片：紧凑、好看 */
    .feature-card {
        padding: 14px 12px 12px;
        border-radius: 14px;
        background: linear-gradient(165deg, #ffffff, #f6f9fd);
        border: 1px solid rgba(7, 150, 184, 0.08);
        position: relative;
        overflow: hidden;
    }
    .feature-card::before {
        content: '';
        position: absolute; inset: 0 0 auto 0; height: 2px;
        background: linear-gradient(90deg, rgba(7, 182, 213, 0.5), rgba(7, 182, 213, 0));
        opacity: 0;
        transition: opacity 0.3s;
    }
    .feature-card.reveal.is-visible::before { opacity: 1; }
    .feature-card .feature-icon {
        width: 38px; height: 38px;
        margin-bottom: 8px;
        background: linear-gradient(135deg, #07b6d5, #0796b8);
        border-radius: 10px;
        display: flex; align-items: center; justify-content: center;
    }
    .feature-card .feature-icon svg { width: 20px; height: 20px; color: #fff; }
    .feature-card h3 { font-size: 14px; margin-bottom: 4px; font-weight: 600; color: var(--text); }
    .feature-card p {
        font-size: 11.5px; line-height: 1.55;
        color: var(--text-2);
        display: -webkit-box;
        -webkit-box-orient: vertical;
        -webkit-line-clamp: 3;
        line-clamp: 3;
        overflow: hidden;
    }
    .product-body { padding: 15px 16px 16px; gap: 6px; }
    .product-body h3 { font-size: 18px; }
    .product-body p { font-size: 14px; line-height: 1.68; }
    .product-idx, .product-views { display: none; }
    .product-link { min-height: 44px; font-size: 13.5px; }
    .news-card-body { padding: 15px 16px 16px; }
    .news-card-body h3 { font-size: 18px; }
    .news-card-body p { font-size: 14px; line-height: 1.68; }
    .news-card-meta { font-size: 12px; }
    .case-card { padding: 18px; border-radius: 16px; }
    .case-card h3 { font-size: 17px; }
    .case-card p { font-size: 14px; line-height: 1.68; }
    .solution-content { padding: 16px; }
    .solution-content h3 { font-size: 18px; }
    .solution-content p { font-size: 13.5px; line-height: 1.6; }
    .solution-row { grid-template-columns: 1fr; }
    .solution-row-body { padding: 16px; }
    /* 团队卡片：紧凑两列 */
    .team-card {
        padding: 22px 14px 18px;
        text-align: center;
    }
    .team-card .team-avatar {
        width: 72px; height: 72px;
        margin: 0 auto 14px;
        font-size: 26px;
        box-shadow:
            0 0 0 2px #ffffff,
            0 12px 26px rgba(47, 107, 255, 0.20),
            0 4px 10px rgba(7, 150, 184, 0.14);
    }
    .team-card h3 { font-size: 15px; margin-bottom: 2px; font-weight: 600; }
    .team-card .team-role { font-size: 11px; margin: 4px 0 10px; padding: 2px 8px; letter-spacing: 0.08em; }
    .team-card .team-desc {
        font-size: 12px; line-height: 1.6;
        display: -webkit-box;
        -webkit-box-orient: vertical;
        -webkit-line-clamp: 3;
        line-clamp: 3;
        overflow: hidden;
    }
    .cert-card { padding: 16px; }

    /* ---------- 筛选：横滑 + 吸附 + 渐隐 ---------- */
    .filter-bar { margin-bottom: 18px; gap: 12px; }
    .filter-chips {
        flex-wrap: nowrap;
        width: 100%;
        overflow-x: auto;
        scroll-snap-type: x proximity;
        -webkit-overflow-scrolling: touch;
        scrollbar-width: none;
        padding: 2px 28px 2px 0;
        mask-image: linear-gradient(90deg, #000 88%, transparent 100%);
        -webkit-mask-image: linear-gradient(90deg, #000 88%, transparent 100%);
    }
    .filter-chips::-webkit-scrollbar { display: none; }
    .chip { flex: none; height: 44px; padding: 0 18px; font-size: 14px; scroll-snap-align: start; }
    .filter-count { font-size: 13px; }

    /* ---------- 指标 ---------- */
    /* 数据指标：2×2 数据面板，与上方运行中心视觉呼应 */
    .metrics-band {
        padding: 12px 0 8px;
        border-top: none;
        margin-top: 0;
    }
    .metrics-head { display: none; }
    .metrics-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
        gap: 1px;
        padding: 0;
        background: rgba(15, 40, 75, 0.07);
        border: 1px solid rgba(15, 40, 75, 0.07);
        border-radius: 16px;
        overflow: hidden;
    }
    .metrics-grid .metric,
    .metrics-grid .metric:nth-child(2) {
        padding: 13px 12px 12px;
        border: 0;
        border-right: 0;
        text-align: left;
        background: linear-gradient(160deg, #ffffff, #f7fbfe);
    }
    .metrics-grid .metric-value { display: flex; align-items: baseline; justify-content: flex-start; gap: 2px; }
    .metrics-grid .metric-value span { font-size: 24px; font-weight: 750; color: var(--cyan); letter-spacing: -0.02em; line-height: 1.05; font-variant-numeric: tabular-nums; }
    .metrics-grid .metric-value i { font-style: normal; font-size: 10px; color: var(--text-3); }
    .metrics-grid .metric p { margin-top: 4px; font-size: 10.5px; color: var(--text-3); letter-spacing: 0.02em; }

    /* CTA：手机端悬浮底条（桌面端不变） */
    .cta-section {
        position: fixed;
        left: 10px; right: 10px;
        bottom: calc(10px + env(safe-area-inset-bottom));
        z-index: 90;
        pointer-events: none;
    }
    .cta-section > .container { width: 100%; }
    .cta-panel {
        pointer-events: auto;
        display: flex;
        flex-direction: row;
        align-items: center;
        gap: 10px;
        padding: 0;
        border-radius: 14px;
        background: linear-gradient(135deg, #07b6d5, #0796b8);
        box-shadow: 0 8px 28px rgba(7, 150, 184, 0.32);
        border: none;
        overflow: hidden;
        position: relative;
        height: 52px;
    }
    .cta-panel > :not(.cta-copy):not(.cta-actions) { display: none; }
    .cta-copy {
        flex: 1;
        padding: 0 14px;
        color: #fff;
        min-width: 0;
    }
    .cta-copy .section-eyebrow { display: none; }
    .cta-copy h2 {
        font-size: 13px;
        font-weight: 600;
        margin: 0;
        line-height: 1.2;
        white-space: nowrap;
        overflow: hidden;
        text-overflow: ellipsis;
    }
    .cta-copy > p:not(.cta-note) { display: none; }
    .cta-note {
        font-size: 10.5px;
        opacity: 0.8;
        margin: 2px 0 0;
        white-space: nowrap;
        overflow: hidden;
        text-overflow: ellipsis;
    }
    .cta-actions {
        flex-direction: row;
        gap: 0;
        align-items: center;
    }
    .cta-actions .btn-primary {
        background: #fff;
        color: #0796b8;
        font-size: 13px;
        font-weight: 600;
        height: 52px;
        padding: 0 18px;
        border-radius: 0;
        border: none;
    }
    .cta-actions .cta-phone, .cta-foot { display: none; }

    /* ---------- 联系与表单 ---------- */
    .about-intro, .contact-layout, .detail-layout, .footer-grid { grid-template-columns: minmax(0, 1fr); }
    .about-intro, .contact-layout, .detail-layout { gap: 24px; }
    .field { min-width: 0; }
    .about-sub, .contact-sub { font-size: 15.5px; line-height: 1.7; }
    .contact-card { padding: 15px 16px; border-radius: 14px; min-height: 64px; }
    .contact-card small { font-size: 12px; color: var(--text-2); }
    .contact-card b { font-size: 15px; }
    .contact-form-wrap { padding: 20px 16px 22px; border-radius: 16px; }
    .form-head h2 { font-size: 22px; }
    .contact-form { gap: 16px; }
    .field { gap: 8px; }
    .field label { font-size: 13px; }
    .field input[type="text"], .field input[type="tel"], .field input[type="email"],
    .search-form input, .list-search input {
        height: 52px;
        font-size: 16px;
    }
    .field textarea { font-size: 16px; min-height: 144px; line-height: 1.7; }
    .list-search { height: 52px; }
    .list-search button { width: 52px; height: 52px; }
    .search-form { flex-direction: column; gap: 10px; }
    .search-form .btn { width: 100%; height: 52px; font-size: 16px; }

    /* ---------- 详情 / 文章 ---------- */
    .detail-cover img, .article-cover img { aspect-ratio: 16 / 10; }
    .detail-facts { gap: 10px; }
    .detail-summary { font-size: 14px; padding: 14px 16px; }
    .prose p, .prose li { font-size: 16px; line-height: 1.8; }
    .prose h2 { font-size: 22px; margin-top: 26px; }
    .prose h3 { font-size: 18px; margin-top: 22px; }
    .article-head { padding: 22px 0 4px; }
    .article-title { font-size: 26px; line-height: 1.3; }
    .article-meta { font-size: 12.5px; }
    .news-list-item { gap: 12px; padding: 14px 0; }

    /* ---------- 页脚：紧凑三列（品牌整行 + 导航 + 联系并排） ---------- */
    .site-footer { padding: 18px 0 0; }
    .footer-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
        gap: 12px 14px;
        padding-bottom: 10px;
    }
    .footer-brand { grid-column: 1 / -1; }
    .footer-brand .brand-mark { width: 34px; height: 34px; }
    .footer-about {
        margin-top: 8px;
        font-size: 13px;
        line-height: 1.6;
        display: -webkit-box;
        -webkit-box-orient: vertical;
        -webkit-line-clamp: 2;
        line-clamp: 2;
        overflow: hidden;
    }
    .social-list { margin-top: 10px; gap: 4px; }
    .social-chip { font-size: 11px; padding: 3px 8px; }
    .footer-title { font-size: 11px; letter-spacing: 0.16em; margin-bottom: 4px; }
    /* 快速导航：CSS columns 双列自然分流 */
    .footer-col .footer-links {
        display: block;
        column-count: 2;
        column-gap: 14px;
    }
    .footer-col .footer-links li { break-inside: avoid; }
    .footer-col .footer-links a {
        display: inline-flex;
        align-items: center;
        min-height: 28px;
        font-size: 13px;
        color: var(--text-2);
        padding: 0 2px;
    }
    /* 窄屏：导航与联系方式各占整行，联系方式四项不再被挤成窄列换行 */
    .footer-nav,
    .footer-contact { grid-column: 1 / -1; }
    /* 联系方式：强制单列 —— 上方 column-count:2 会把电话/邮箱与地址/时间挤成两栏，导致文字重叠 */
    .footer-col .contact-links {
        display: grid;
        grid-template-columns: minmax(0, 1fr);
        column-count: 1;
        column-gap: 0;
        gap: 4px;
    }
    .contact-links li {
        min-height: 0;
        align-items: flex-start;
        font-size: 12px;
        gap: 6px;
        line-height: 1.55;
    }
    .contact-links li .icon { width: 13px; height: 13px; flex: none; margin-top: 3px; }
    .footer-col .contact-links a { min-height: 0; padding: 0; }
    .contact-links a,
    .contact-links span { min-width: 0; overflow-wrap: anywhere; }
    .contact-links a[href^="tel:"] { white-space: nowrap; font-variant-numeric: tabular-nums; }
    .contact-links li:last-child { grid-column: auto; }
    .footer-bottom {
        flex-direction: row;
        align-items: center;
        justify-content: space-between;
        text-align: left;
        gap: 8px;
        padding: 8px 0 calc(10px + env(safe-area-inset-bottom));
        font-size: 11.5px;
        flex-wrap: wrap;
    }
    .footer-copy { line-height: 1.4; }
    .footer-meta { gap: 10px; }
    .footer-meta a { display: inline-flex; align-items: center; min-height: 28px; font-size: 11.5px; }

    /* ---------- CTA ---------- */
    .cta-panel { grid-template-columns: 1fr; gap: 16px; padding: 22px 18px; border-radius: 18px; }
    .cta-panel h2 { font-size: 22px; }

    /* ---------- 触控与可读性兜底 ---------- */
    a, button, input, textarea, select { -webkit-tap-highlight-color: rgba(7, 182, 213, 0.12); }
    input, textarea, select { font-size: 16px; }
    .btn, .chip, .nav-toggle { min-height: 44px; }
    .brand, .mn-phone { min-height: 44px; }
    .strip-list a, .strip-list li { display: inline-flex; align-items: center; min-height: 44px; }
    .tag, .social-chip { font-size: 12px; }
    .viz-tag { font-size: 11px; }
    .opt, .footer-copy, .footer-meta { font-size: 12.5px; }
    .chip-option { min-height: 44px; }
    /* 卡片标题本身就是链接，撑到 44px 热区 */
    .product-body h3 a, .news-card-body h3 a, .case-card h3 a, .solution-content h3 a,
    .news-list-item h3 a, .cta-phone, .solution-row-body h3 a { display: inline-flex; align-items: center; min-height: 44px; }
    .breadcrumb a, .pagination a, .pagination button, .skip-link {
        display: inline-flex;
        align-items: center;
        justify-content: center;
        min-height: 44px;
    }
}

@media (max-width: 768px) and (prefers-reduced-motion: reduce) {
    .mobile-nav { transition: opacity 0.01ms linear; transform: none; }
    .strip-list, .filter-chips { scroll-behavior: auto; }
}

/* ============================================================
   折叠屏适配
   1) 外屏 / 小屏手机（≤374px，如 Galaxy Fold 外屏 344px、360px 安卓）
   2) 内屏（600–768px，如 Galaxy Fold / Pixel Fold 内屏）：
      恢复双列栅格，避免单列卡片浪费半屏宽度、页面过长
   ============================================================ */
@media (max-width: 374px) {
    :root { --pad: 16px; }
    .container { width: calc(100% - 2 * var(--pad)); }
    body.site-body { font-size: 15.5px; }
    .header-inner { height: 56px; }
    main { padding-top: 56px; }
    .mobile-nav { top: 56px; height: calc(100vh - 56px); height: calc(100dvh - 56px); }
    .brand-mark { width: 32px; height: 32px; }
    .brand-text strong { font-size: 14.5px; }
    .brand-text em { display: none; }
    .hero-copy h1 { font-size: 20px; }
    .hero-lead { font-size: 12.5px; -webkit-line-clamp: 3; line-clamp: 3; }
    .hero-actions .btn { height: 42px; font-size: 13px; border-radius: 10px; }
    .viz-row span { font-size: 9.5px; }
    .viz-row b { font-size: 15px; }
    .viz-foot { font-size: 9px; }
    .section { padding: 20px 0; }
    .section-title { font-size: 24px; }
    .metrics-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); border-radius: 14px; }
    .metrics-grid .metric { padding: 11px 10px 10px; }
    .metrics-grid .metric-value span { font-size: 21px; }
    .metrics-grid .metric p { font-size: 9.5px; }
    .footer-grid { gap: 16px 12px; }
    /* 外屏：导航分三列，页脚整体压到 500px 以内 */
    .footer-nav .footer-links { column-count: 3; column-gap: 8px; }
    .cta-section { bottom: calc(8px + env(safe-area-inset-bottom)); left: 8px; right: 8px; }
    .cta-panel { height: 48px; border-radius: 12px; }
    .cta-copy { padding: 0 12px; }
    .cta-copy h2 { font-size: 12px; }
    .cta-actions .btn-primary { height: 48px; padding: 0 14px; font-size: 12px; }
    .contact-form-wrap { padding: 18px 14px; }
    /* 小屏折叠外屏：更紧凑的两列能力 / 团队卡片 */
    .feature-grid, .team-grid { gap: 8px; }
    .feature-card { padding: 10px 10px 10px; border-radius: 12px; }
    .feature-card .feature-icon { width: 32px; height: 32px; margin-bottom: 6px; border-radius: 8px; }
    .feature-card .feature-icon svg { width: 17px; height: 17px; }
    .feature-card h3 { font-size: 12.5px; margin-bottom: 2px; }
    .feature-card p { font-size: 10.5px; -webkit-line-clamp: 2; line-clamp: 2; line-height: 1.45; }
    .team-card { padding: 18px 12px 14px; }
    .team-card .team-avatar { width: 62px; height: 62px; font-size: 22px; box-shadow: 0 0 0 2px #ffffff, 0 10px 22px rgba(47, 107, 255, 0.18); margin-bottom: 10px; }
    .team-card h3 { font-size: 14px; }
    .team-card .team-role { font-size: 10.5px; margin-bottom: 8px; padding: 2px 7px; }
    .team-card .team-desc { font-size: 11px; -webkit-line-clamp: 2; line-clamp: 2; line-height: 1.5; }
}

@media (min-width: 600px) and (max-width: 768px) {
    /* 内屏：双列卡片栅格 */
    .feature-grid, .card-grid-3, .card-grid-4, .solution-grid, .case-grid,
    .news-grid, .cert-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 16px; }
    .team-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
    .contact-cards { grid-template-columns: repeat(2, minmax(0, 1fr)); }
    .field-row { grid-template-columns: 1fr 1fr; }
    /* 首屏恢复横向按钮与双列指标 */
    .hero-actions { flex-direction: row; }
    .hero-actions .btn { width: auto; flex: 1; }
    .hero-copy h1 { font-size: clamp(28px, 5.4vw, 36px); -webkit-line-clamp: 3; line-clamp: 3; }
    /* 页脚三列，内屏不再单列堆叠 */
    .footer-grid { grid-template-columns: 1.2fr 1fr 1.3fr; gap: 20px; }
    .footer-brand, .footer-nav, .footer-contact { grid-column: auto; }
    .footer-about { -webkit-line-clamp: 4; line-clamp: 4; }
    .footer-bottom { flex-direction: row; justify-content: space-between; text-align: left; }
    /* 联系页双栏 */
    .contact-layout { grid-template-columns: minmax(0, 1.1fr) minmax(0, 1fr); align-items: start; }
    .about-intro { grid-template-columns: minmax(0, 1.1fr) minmax(0, 1fr); }
    /* 抽屉导航在小宽内屏上限制最大宽度 */
    .mobile-nav { max-width: 480px; margin-left: auto; border-left: 1px solid rgba(255, 255, 255, 0.08); }
    /* 详情页侧栏恢复横排双卡 */
    .detail-aside { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
    .news-item { grid-template-columns: 96px minmax(0, 1fr); }
}

/* ------------------------------------------------------------
 * 产品与服务：手机端横向紧凑列表（替代纵向大图长列表）
 * ---------------------------------------------------------- */
@media (max-width: 768px) {
    /* 区块标题收紧，避免引导文案出现单字孤行 */
    .section-lead { font-size: 13.5px; line-height: 1.65; }
    .section-head, .section-head-row { margin-bottom: 12px; }

    /* 标题行：标题与「全部产品」同一行，链接收成胶囊按钮，不再单独占一行 */
    .section-head-row {
        display: grid;
        grid-template-columns: minmax(0, 1fr) auto;
        column-gap: 10px;
        row-gap: 3px;
        align-items: center;
    }
    .section-head-row > div { display: contents; }
    .section-head-row .section-eyebrow { grid-column: 1 / -1; grid-row: 1; margin-bottom: 0; }
    .section-head-row .section-title { grid-column: 1; grid-row: 2; margin-bottom: 0; }
    .section-head-row .section-lead { grid-column: 1 / -1; grid-row: 3; }
    .section-head-row .link-more {
        grid-column: 2;
        grid-row: 2;
        justify-self: end;
        align-self: center;
        display: inline-flex;
        align-items: center;
        gap: 3px;
        min-height: 30px;
        margin: 0;
        padding: 0 10px 0 12px;
        border: 1px solid rgba(10, 127, 151, 0.20);
        border-radius: 999px;
        background: rgba(10, 127, 151, 0.07);
        color: #0a7f97;
        font-size: 11.5px;
        font-weight: 600;
        white-space: nowrap;
    }
    .section-head-row .link-more svg { width: 11px; height: 11px; }
    .link-more { font-size: 13px; min-height: 40px; margin-top: 0; }
    /* 首页产品区：两列卡片，一行两个，3 个产品自然排成两行（仅作用于首页） */
    .product-grid-mobile {
        display: grid;
        grid-template-columns: repeat(2, minmax(0, 1fr));
        gap: 10px;
        background: transparent;
        border: 0;
        border-radius: 0;
        box-shadow: none;
        overflow: visible;
    }
    .product-grid-mobile .product-card {
        position: relative;
        display: flex;
        flex-direction: column;
        align-items: stretch;
        gap: 0;
        padding: 0;
        background: #ffffff;
        border: 1px solid rgba(15, 40, 75, 0.08);
        border-radius: 14px;
        overflow: hidden;
        box-shadow: 0 4px 14px rgba(15, 40, 75, 0.05);
    }
    .product-grid-mobile .product-card:hover,
    .product-grid-mobile .product-card:active {
        transform: none;
        background: #ffffff;
        box-shadow: 0 6px 18px rgba(15, 40, 75, 0.08);
    }
    .product-grid-mobile .product-cover {
        display: block;
        width: 100%;
        height: auto;
        flex: none;
        aspect-ratio: 16 / 10;
        border-radius: 0;
        overflow: hidden;
        background: #eef3f9;
    }
    .product-grid-mobile .product-cover img { width: 100%; height: 100%; object-fit: cover; }
    .product-grid-mobile .product-card:hover .product-cover img { transform: none; }
    .product-grid-mobile .cover-shade { display: none; }
    .product-grid-mobile .product-body {
        padding: 9px 10px 10px;
        gap: 5px;
        flex: 1;
        min-width: 0;
    }
    .product-grid-mobile .product-meta { justify-content: flex-start; gap: 6px; }
    .product-grid-mobile .product-meta .tag {
        height: auto;
        font-size: 9px;
        line-height: 1.35;
        padding: 2px 7px;
        border-radius: 999px;
        background: rgba(10, 127, 151, 0.09);
        color: #0a7f97;
        font-weight: 500;
        letter-spacing: 0.02em;
    }
    .product-grid-mobile .product-idx { display: none; }
    .product-grid-mobile .product-body h3 a { min-height: 0; display: inline; }
    .product-grid-mobile .product-body h3 {
        font-size: 13px;
        line-height: 1.35;
        font-weight: 600;
        min-height: 2.7em;
        display: -webkit-box;
        -webkit-box-orient: vertical;
        -webkit-line-clamp: 2;
        line-clamp: 2;
        overflow: hidden;
    }
    .product-grid-mobile .product-body p { display: none; }
    /* 箭头做成图片右上角的玻璃圆钮 */
    .product-grid-mobile .product-link {
        position: absolute;
        right: 8px;
        top: 8px;
        z-index: 2;
        display: flex;
        align-items: center;
        justify-content: center;
        width: 26px;
        height: 26px;
        min-height: 0;
        margin: 0;
        padding: 0;
        gap: 0;
        border-radius: 50%;
        background: rgba(255, 255, 255, 0.88);
        box-shadow: 0 2px 8px rgba(15, 40, 75, 0.14);
        font-size: 0;
        line-height: 0;
        transform: none;
        color: #0a7f97;
        overflow: hidden;
    }
    .product-grid-mobile .product-link svg { width: 12px; height: 12px; flex: none; }
    .product-grid-mobile .product-card:active .product-link { background: #ffffff; }
}

/* 折叠屏外屏（≤374px）：再收一档 */
@media (max-width: 374px) {
    .product-grid-mobile { gap: 8px; }
    .product-grid-mobile .product-body { padding: 8px 9px 9px; gap: 4px; }
    .product-grid-mobile .product-body h3 { font-size: 12.5px; min-height: 2.7em; }
    .product-grid-mobile .product-link { right: 7px; top: 7px; width: 24px; height: 24px; }
}

/* ============================================================
   Hero 标题结构
   PC 端：子系统清单 + 主标语各占一行（与原 <br> 版本完全一致）
   手机端：子系统清单变成胶囊标签行，主标语放大 + 渐变小横线
   ============================================================ */
.hero-sys { display: block; }
.hero-sys-chip { display: inline; }
.hero-sys-chip:not(:last-child)::after { content: "、"; }
.hero-title-main { display: block; }

@media (max-width: 768px) {
    /* h1 内部改为块级结构，取消行数截断 */
    .hero-copy h1 {
        display: block;
        -webkit-line-clamp: none;
        line-clamp: none;
        overflow: visible;
        margin: 11px 0 0;
        letter-spacing: 0;
    }

    /* 顶部坐标：去掉胶囊外壳，改为「呼吸点 + 字距放缓的标签 + 一条发丝线」 */
    .hero-copy .pill {
        display: inline-flex;
        align-items: center;
        gap: 8px;
        height: auto;
        padding: 0;
        border: 0;
        border-radius: 0;
        background: none;
        box-shadow: none;
        font-size: 11px;
        font-weight: 500;
        letter-spacing: 0.12em;
        color: #08738c;
    }
    .hero-copy .pill-dot {
        width: 5px;
        height: 5px;
        flex: none;
        box-shadow: 0 0 0 3px rgba(7, 182, 213, 0.12);
        animation: heroDotPulse 2.8s ease-in-out infinite;
    }
    @keyframes heroDotPulse {
        0%, 100% { box-shadow: 0 0 0 3px rgba(7, 182, 213, 0.12); }
        50% { box-shadow: 0 0 0 6px rgba(7, 182, 213, 0.04); }
    }
    .hero-copy .pill::after {
        content: "";
        width: 18px;
        height: 1px;
        flex: none;
        background: linear-gradient(90deg, rgba(10, 109, 132, 0.45), rgba(10, 109, 132, 0));
    }

    /* 子系统清单：字距放缓的规格标签，竖发丝线分隔（替代通用感很强的胶囊） */
    .hero-sys {
        display: flex;
        flex-wrap: wrap;
        align-items: center;
        margin: 11px 0 7px;
    }
    .hero-sys-chip {
        display: inline-flex;
        align-items: center;
        height: auto;
        padding: 0;
        border: 0;
        border-radius: 0;
        background: none;
        box-shadow: none;
        font-size: 11px;
        font-weight: 600;
        letter-spacing: 0.14em;
        line-height: 1.45;
        color: #64798e;
    }
    .hero-sys-chip::before { content: none; }
    /* 节点式分隔：3px 青色圆点，呼应「系统互联」的意象 */
    .hero-sys-chip:not(:last-child)::after {
        content: "";
        width: 3px;
        height: 3px;
        flex: none;
        margin: 0 9px;
        border-radius: 50%;
        background: rgba(10, 127, 151, 0.55);
        box-shadow: 0 0 0 1px rgba(10, 127, 151, 0.12);
    }

    /* 主标语：34px 特大字 + 深蓝到青的墨色渐变 + 渐变短线 */
    .hero-title-main {
        position: relative;
        display: block;
        padding-bottom: 11px;
        font-size: 34px;
        line-height: 1.12;
        font-weight: 800;
        letter-spacing: -0.02em;
        background: linear-gradient(96deg, #0b2a45 0%, #0d3352 38%, #0a7f97 100%);
        -webkit-background-clip: text;
        background-clip: text;
        color: transparent;
        -webkit-text-fill-color: transparent;
    }
    .hero-title-main::after {
        content: "";
        position: absolute;
        left: 0;
        bottom: 0;
        width: 54px;
        height: 3px;
        border-radius: 2px;
        background: linear-gradient(90deg, #2fd0e8, #2f6bff);
        box-shadow: 0 3px 10px rgba(47, 107, 255, 0.28);
    }

    /* 引导文案：13px、行距 1.75，颜色收一档更耐读 */
    .hero-lead {
        font-size: 13px;
        line-height: 1.75;
        margin-top: 4px;
        color: #4a5f76;
    }

    /* 首屏按钮：主按钮实心渐变，次按钮白底描边，圆角与高度统一 */
    .hero-actions { gap: 10px; margin-top: 16px; }
    .hero-actions .btn {
        height: 46px;
        border-radius: 12px;
        font-size: 13.5px;
        font-weight: 600;
    }
    .hero-actions .btn-primary {
        background: linear-gradient(135deg, #12b6d8 0%, #1f7ee0 100%);
        border-color: transparent;
        box-shadow: 0 8px 20px rgba(31, 126, 224, 0.26);
    }
    .hero-actions .btn-ghost,
    .hero-actions .btn-secondary {
        background: rgba(255, 255, 255, 0.86);
        border: 1px solid rgba(15, 40, 75, 0.12);
        color: #12354f;
        box-shadow: 0 2px 8px rgba(15, 40, 75, 0.05);
    }

    /* 底部承诺行：与上方内容用一条发丝线轻轻隔开 */
    .hero-foot {
        margin-top: 13px;
        padding-top: 11px;
        font-size: 10.5px;
        letter-spacing: 0.02em;
        color: #7b8fa3;
        border-top: 1px solid rgba(15, 40, 75, 0.08);
    }
}

/* ============================================================
   关于页「资质与保障」移动端：2×2 紧凑徽章卡
   （四项资质：ISO 9001 / 安防资质 / 软著 / 质保方案）
   ============================================================ */
@media (max-width: 768px) {
    .cert-grid {
        counter-reset: cert;
        grid-template-columns: repeat(2, minmax(0, 1fr));
        gap: 10px;
        align-items: stretch;
    }
    .cert-card {
        counter-increment: cert;
        position: relative;
        display: flex;
        flex-direction: column;
        padding: 13px 12px 12px;
        border-radius: 14px;
        border: 1px solid rgba(7, 150, 184, 0.10);
        background: linear-gradient(168deg, #ffffff 0%, #f5f9fd 100%);
        box-shadow: 0 4px 14px rgba(15, 40, 75, 0.05);
        overflow: hidden;
    }
    /* 顶部 2px 渐变发丝线 + 右上角序号 */
    .cert-card::before {
        content: "";
        position: absolute;
        left: 12px; right: 12px; top: 0;
        height: 2px;
        border-radius: 0 0 2px 2px;
        background: linear-gradient(90deg, rgba(7, 182, 213, 0.55), rgba(47, 107, 255, 0));
    }
    .cert-card::after {
        content: counter(cert, decimal-leading-zero);
        position: absolute;
        top: 12px; right: 12px;
        font-size: 10px;
        line-height: 1;
        letter-spacing: 0.12em;
        font-variant-numeric: tabular-nums;
        color: rgba(10, 127, 151, 0.42);
    }
    .cert-icon {
        width: 30px; height: 30px;
        margin-bottom: 9px;
        border-radius: 9px;
        color: #0a7f97;
        background: linear-gradient(135deg, rgba(7, 182, 213, 0.18), rgba(47, 107, 255, 0.10));
        box-shadow: inset 0 0 0 1px rgba(7, 150, 184, 0.12);
    }
    .cert-icon svg { width: 15px; height: 15px; }
    .cert-card h3 {
        font-size: 13px;
        line-height: 1.3;
        font-weight: 600;
        letter-spacing: -0.01em;
        margin: 0 0 5px;
        color: var(--text);
    }
    .cert-card p {
        font-size: 10.5px;
        line-height: 1.55;
        color: #64798e;
        display: -webkit-box;
        -webkit-box-orient: vertical;
        -webkit-line-clamp: 3;
        line-clamp: 3;
        overflow: hidden;
    }
}

@media (max-width: 374px) {
    .cert-grid { gap: 8px; }
    .cert-card { padding: 11px 10px 10px; border-radius: 12px; }
    .cert-card::before { left: 10px; right: 10px; }
    .cert-card::after { top: 10px; right: 10px; font-size: 9px; }
    .cert-card .cert-icon { width: 27px; height: 27px; border-radius: 8px; margin-bottom: 7px; }
    .cert-card .cert-icon svg { width: 14px; height: 14px; }
    .cert-card h3 { font-size: 12px; margin-bottom: 4px; }
    .cert-card p { font-size: 10px; -webkit-line-clamp: 4; line-clamp: 4; }
}

/* 内屏（600–768px）：仍是两列，但放大字号与图标，卡片更舒展 */
@media (min-width: 600px) and (max-width: 768px) {
    .cert-grid { gap: 12px; }
    .cert-card { padding: 16px 15px 15px; }
    .cert-card::before { left: 15px; right: 15px; }
    .cert-card::after { top: 15px; right: 15px; font-size: 11px; }
    .cert-card .cert-icon { width: 36px; height: 36px; border-radius: 10px; margin-bottom: 10px; }
    .cert-card .cert-icon svg { width: 17px; height: 17px; }
    .cert-card h3 { font-size: 15px; margin-bottom: 6px; }
    .cert-card p { font-size: 12px; line-height: 1.6; }
}

/* ============================================================
   首页「解决方案」移动端：编号轨道列表
   左侧一条纵向渐隐发丝线 + 01–04 编号节点，每项为
   缩略图 + 分类胶囊 + 标题 + 两行摘要 + 右侧圆形箭头
   ============================================================ */
@media (max-width: 768px) {
    .solution-grid {
        display: flex;
        flex-direction: column;
        gap: 9px;
        counter-reset: sol;
        position: relative;
        padding-left: 32px;
    }
    /* 纵向轨道：顶部亮、底部渐隐 */
    .solution-grid::before {
        content: "";
        position: absolute;
        left: 11px;
        top: 16px;
        bottom: 16px;
        width: 1px;
        background: linear-gradient(180deg, rgba(7, 182, 213, 0.55), rgba(47, 107, 255, 0.34) 55%, rgba(47, 107, 255, 0.10));
    }
    .solution-card {
        counter-increment: sol;
        display: grid;
        grid-template-columns: 56px minmax(0, 1fr);
        align-items: center;
        column-gap: 11px;
        aspect-ratio: auto;
        height: auto;
        padding: 11px 38px 11px 11px;
        border-radius: 14px;
        background: linear-gradient(160deg, #ffffff 0%, #f7fafd 100%);
        border: 1px solid rgba(15, 40, 75, 0.07);
        box-shadow: 0 4px 14px rgba(15, 40, 75, 0.045);
        overflow: visible;
    }
    /* 编号节点：正好压在轨道线上 */
    .solution-card::before {
        content: counter(sol, decimal-leading-zero);
        position: absolute;
        left: -31px;
        top: 50%;
        width: 22px;
        height: 22px;
        margin-top: -11px;
        display: grid;
        place-items: center;
        border-radius: 50%;
        background: #ffffff;
        border: 1px solid rgba(7, 150, 184, 0.30);
        box-shadow: 0 0 0 3px rgba(255, 255, 255, 0.85), 0 2px 6px rgba(15, 40, 75, 0.06);
        font-size: 9px;
        line-height: 1;
        letter-spacing: 0.02em;
        font-variant-numeric: tabular-nums;
        color: #0a7f97;
    }
    .solution-card img {
        position: static;
        grid-column: 1;
        grid-row: 1;
        width: 56px;
        height: 56px;
        border-radius: 12px;
        object-fit: cover;
        transition: none;
        box-shadow: inset 0 0 0 1px rgba(15, 40, 75, 0.06);
    }
    .solution-card:hover img { transform: none; }
    .solution-shade { display: none; }
    .solution-content {
        position: static;
        grid-column: 2;
        grid-row: 1;
        min-width: 0;
        padding: 0;
        gap: 3px;
    }
    /* 分类：收成小号描边胶囊 */
    .solution-content .tag,
    .solution-content .tag-ghost {
        align-self: flex-start;
        height: auto;
        min-height: 0;
        padding: 1px 7px;
        border: 1px solid rgba(10, 127, 151, 0.22);
        border-radius: 999px;
        background: rgba(10, 127, 151, 0.06);
        font-size: 9px;
        line-height: 1.5;
        letter-spacing: 0.06em;
        color: #0a7f97;
    }
    .solution-content h3 {
        margin: 0;
        font-size: 14.5px;
        line-height: 1.35;
        font-weight: 600;
        color: var(--text);
        display: -webkit-box;
        -webkit-box-orient: vertical;
        -webkit-line-clamp: 1;
        line-clamp: 1;
        overflow: hidden;
    }
    .solution-content p {
        margin: 0;
        font-size: 10.5px;
        line-height: 1.5;
        color: #64798e;
        display: -webkit-box;
        -webkit-box-orient: vertical;
        -webkit-line-clamp: 2;
        line-clamp: 2;
        overflow: hidden;
    }
    /* 右侧圆形箭头，文字隐藏 */
    .solution-more {
        position: absolute;
        right: 11px;
        top: 50%;
        margin-top: 0;
        transform: translateY(-50%);
        display: grid;
        place-items: center;
        width: 24px;
        height: 24px;
        border-radius: 50%;
        background: rgba(10, 127, 151, 0.10);
        color: #0a7f97;
        font-size: 0;
        line-height: 0;
    }
    .solution-more svg { width: 12px; height: 12px; flex: none; }
}

@media (max-width: 374px) {
    .solution-grid { gap: 8px; padding-left: 28px; }
    .solution-grid::before { left: 9px; }
    .solution-card {
        grid-template-columns: 48px minmax(0, 1fr);
        column-gap: 9px;
        padding: 9px 32px 9px 9px;
        border-radius: 12px;
    }
    .solution-card::before {
        left: -29px;
        width: 20px;
        height: 20px;
        margin-top: -10px;
        font-size: 8.5px;
    }
    .solution-card img { width: 48px; height: 48px; border-radius: 10px; }
    .solution-content h3 { font-size: 13px; }
    .solution-content p { font-size: 10px; }
    .solution-more { right: 9px; width: 22px; height: 22px; }
}

@media (prefers-reduced-motion: reduce) {
    .hero-copy .pill-dot { animation: none; }
}