/* ============================================================
   关于极易优｜河南孚兆实业 页面样式（AeroCore-Child/pages/jy-about）
   由 jiyiyou-about.html 内嵌样式 1:1 转换，全部类名前缀 jy- 避免与主题冲突
   采用 theme 模式：导航栏与底部由主题提供，本文件只负责内容区样式
   ============================================================ */

/* ---------- 中和 child-page 外层“卡片”，实现 1:1 宽屏出血布局 ----------
   child-page-renderer.php 在 .child-page__main 上写有内联样式（padding/background），
   main.less 的 .child-page 也有 padding:200px 0，需用 !important 才能覆盖，
   确保 Hero/使命/CTA 等全宽渐变块左右出血、并消除顶部巨大留白。 */
.page-container.child-page {
    width: 100% !important;
    max-width: none !important;
    padding: 0 !important;
    margin: 0 !important;
}
.page-container.child-page::before,
.page-container.child-page::after {
    display: none !important;
}
.page-container.child-page .child-page__body {
    width: 100% !important;
    max-width: none !important;
    padding: 0 !important;
    margin: 0 !important;
}
.page-container.child-page .child-page__body .child-page__main {
    width: 100% !important;
    max-width: none !important;
    padding: 0 !important;
    margin: 0 !important;
    background: transparent !important;
    border-radius: 0 !important;
    box-shadow: none !important;
}

/* ---------- 交互数据（作用域限定 .jy-about） ---------- */
.jy-about {
    --jy-primary: #4F46E5;
    --jy-primary-light: #6366F1;
    --jy-accent: #7C3AED;
    --jy-cyan: #06B6D4;
    --jy-teal: #14B8A6;
    --jy-dark: #0F172A;
    --jy-dark-2: #1E293B;
    --jy-text: #1E293B;
    --jy-text-light: #64748B;
    --jy-text-lighter: #94A3B8;
    --jy-bg: #FFFFFF;
    --jy-bg-soft: #F8FAFC;
    --jy-bg-gray: #F1F5F9;
    --jy-border: #E2E8F0;
    --jy-grad-primary: linear-gradient(135deg, #4F46E5 0%, #7C3AED 100%);
    --jy-grad-cyan: linear-gradient(135deg, #06B6D4 0%, #4F46E5 100%);
    --jy-grad-hero: linear-gradient(135deg, #0F172A 0%, #1E1B4B 50%, #312E81 100%);
    --jy-shadow-sm: 0 1px 3px rgba(15, 23, 42, .06);
    --jy-shadow: 0 4px 6px -1px rgba(15, 23, 42, .08), 0 2px 4px -2px rgba(15, 23, 42, .06);
    --jy-shadow-lg: 0 10px 30px -8px rgba(15, 23, 42, .12), 0 4px 12px -4px rgba(15, 23, 42, .08);
    --jy-shadow-xl: 0 25px 50px -12px rgba(15, 23, 42, .25);
    --jy-radius: 16px;
    --jy-radius-lg: 24px;
    --jy-radius-xl: 32px;
    --jy-max-w: 1200px;
    --jy-font: "PingFang SC", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;

    position: relative;
    font-family: var(--jy-font);
    background: var(--jy-bg);
    color: var(--jy-text);
    line-height: 1.7;
    -webkit-font-smoothing: antialiased;
    overflow-x: hidden;
}

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

.jy-about .jy-container { max-width: var(--jy-max-w); margin: 0 auto; padding: 0 24px; }
.jy-about .jy-section { padding: 96px 0; }
.jy-about .jy-section-soft { background: var(--jy-bg-soft); }
.jy-about .jy-section-white { background: var(--jy-bg); }

/* SVG 图标统一样式（作用域限定，避免与主题通用 .ic 冲突） */
.jy-about .ic { width: 1em; height: 1em; flex-shrink: 0; display: inline-block; vertical-align: -.125em; }
.jy-about .ic-stroke { stroke: currentColor; fill: none; stroke-width: 2; stroke-linecap: round; stroke-linejoin: round; }
.jy-about .ic-fill { fill: currentColor; }

/* ============ 动画 ============ */
@keyframes jy-fadeUp { from { opacity: 0; transform: translateY(30px); } to { opacity: 1; transform: translateY(0); } }
@keyframes jy-fadeIn { from { opacity: 0; } to { opacity: 1; } }
@keyframes jy-float { 0%, 100% { transform: translateY(0); } 50% { transform: translateY(-10px); } }
@keyframes jy-pulse { 0%, 100% { opacity: 1; } 50% { opacity: .5; } }
@keyframes jy-gradientShift { 0% { background-position: 0% 50%; } 50% { background-position: 100% 50%; } 100% { background-position: 0% 50%; } }
@keyframes jy-orbitPulse { 0%, 100% { opacity: .55; } 50% { opacity: 1; } }

.jy-about .jy-reveal { opacity: 0; transform: translateY(32px); transition: all .8s cubic-bezier(.16, 1, .3, 1); }
.jy-about .jy-reveal.in { opacity: 1; transform: translateY(0); }
.jy-about .reveal-d1 { transition-delay: .08s; }
.jy-about .reveal-d2 { transition-delay: .16s; }
.jy-about .reveal-d3 { transition-delay: .24s; }
.jy-about .reveal-d4 { transition-delay: .32s; }
.jy-about .reveal-d5 { transition-delay: .4s; }
.jy-about .reveal-d6 { transition-delay: .48s; }

@media (prefers-reduced-motion: reduce) {
    .jy-about *,
    .jy-about *::before,
    .jy-about *::after {
        animation-duration: .01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: .01ms !important;
    }
}

/* ============ 区块标题 ============ */
.jy-about .jy-sec-head { text-align: center; max-width: 780px; margin: 0 auto 56px; }
.jy-about .jy-sec-head .tag {
    display: inline-flex; align-items: center; gap: 8px;
    padding: 6px 16px; border-radius: 100px;
    background: rgba(79, 70, 229, .08); border: 1px solid rgba(79, 70, 229, .18);
    color: var(--jy-primary); font-size: 13px; font-weight: 600; letter-spacing: .5px; margin-bottom: 18px;
}
.jy-about .jy-sec-head .tag .dot { width: 6px; height: 6px; border-radius: 50%; background: var(--jy-primary); }
.jy-about .jy-sec-head h2 { font-size: clamp(26px, 3.6vw, 40px); font-weight: 800; line-height: 1.3; color: var(--jy-dark); letter-spacing: -.5px; margin: 0; }
.jy-about .jy-sec-head h2 .gradient-text { background: var(--jy-grad-primary); -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent; color: transparent; }
.jy-about .jy-sec-head p { font-size: 16px; color: var(--jy-text-light); margin-top: 14px; line-height: 1.8; }

/* 渐变文字（作用域限定，避免污染主题通用类） */
.jy-about .gradient-text {
    background: var(--jy-grad-primary);
    -webkit-background-clip: text; background-clip: text;
    -webkit-text-fill-color: transparent; color: transparent;
}

/* ============ 按钮 ============ */
.jy-about .jy-btn {
    display: inline-flex; align-items: center; gap: 8px;
    padding: 14px 30px; border-radius: 12px; font-size: 15px; font-weight: 600;
    transition: all .25s; cursor: pointer; min-height: 48px; box-sizing: border-box;
}
.jy-about .jy-btn svg { width: 18px; height: 18px; }
.jy-about .jy-btn-primary { background: var(--jy-grad-primary); color: #fff; box-shadow: 0 4px 14px rgba(79, 70, 229, .35); }
.jy-about .jy-btn-primary:hover { transform: translateY(-2px); box-shadow: 0 8px 24px rgba(79, 70, 229, .45); }
.jy-about .jy-btn-ghost { color: #fff; border: 1.5px solid rgba(255, 255, 255, .25); background: rgba(255, 255, 255, .05); }
.jy-about .jy-btn-ghost:hover { background: rgba(255, 255, 255, .12); border-color: rgba(255, 255, 255, .4); }
.jy-about .jy-btn-lg { padding: 16px 34px; font-size: 16px; }

/* ============ HERO ============
   注：主题导航为 sticky（占位不遮罩），hero 顶部内边距相对原稿 140px 适当收窄，避免出现大段留白 */
.jy-about .jy-hero {
    position: relative; min-height: 100vh; display: flex; flex-direction: column;
    overflow: hidden; background: var(--jy-grad-hero); padding: 96px 0 0;
}
.jy-about .jy-hero::before {
    content: ""; position: absolute; inset: 0;
    background:
        radial-gradient(ellipse 70% 55% at 50% 0%, rgba(99, 102, 241, .32), transparent 55%),
        radial-gradient(ellipse 55% 40% at 85% 60%, rgba(124, 58, 237, .22), transparent 60%),
        radial-gradient(ellipse 50% 45% at 12% 75%, rgba(6, 182, 212, .16), transparent 60%);
}
.jy-about .jy-hero-grid-bg {
    position: absolute; inset: 0;
    background-image:
        linear-gradient(rgba(255, 255, 255, .035) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255, 255, 255, .035) 1px, transparent 1px);
    background-size: 56px 56px;
    mask-image: radial-gradient(ellipse 85% 75% at 50% 25%, #000, transparent);
    -webkit-mask-image: radial-gradient(ellipse 85% 75% at 50% 25%, #000, transparent);
}
.jy-about .jy-hero-orb { position: absolute; border-radius: 50%; filter: blur(60px); opacity: .4; animation: jy-orbitPulse 5s ease-in-out infinite; }
.jy-about .jy-hero-orb.o1 { width: 420px; height: 420px; background: rgba(99, 102, 241, .5); top: -80px; right: -60px; }
.jy-about .jy-hero-orb.o2 { width: 340px; height: 340px; background: rgba(124, 58, 237, .45); bottom: -100px; left: -80px; animation-delay: 1.5s; }
.jy-about .jy-hero-orb.o3 { width: 260px; height: 260px; background: rgba(6, 182, 212, .35); top: 45%; left: 38%; animation-delay: 3s; }
.jy-about .jy-hero-inner {
    position: relative; z-index: 2; flex: 1; width: 100%; max-width: 1180px;
    margin: 0 auto; padding: 0 24px;
    display: grid; grid-template-columns: 1.05fr .95fr; gap: 56px; align-items: center; text-align: left;
}
.jy-about .jy-hero-badge {
    display: inline-flex; align-items: center; gap: 8px;
    padding: 7px 18px; border-radius: 100px;
    background: rgba(99, 102, 241, .15); border: 1px solid rgba(129, 140, 248, .35);
    color: #C7D2FE; font-size: 13px; font-weight: 600; margin-bottom: 26px; animation: jy-fadeIn .6s ease;
}
.jy-about .jy-hero-badge .dot { width: 8px; height: 8px; border-radius: 50%; background: var(--jy-cyan); animation: jy-pulse 2s infinite; }
.jy-about .jy-hero h1 { font-size: clamp(32px, 4.6vw, 54px); font-weight: 800; line-height: 1.24; color: #fff; margin: 0 0 22px; letter-spacing: -1px; animation: jy-fadeUp .8s ease; }
.jy-about .jy-hero h1 .gradient-text {
    background: linear-gradient(135deg, #818CF8 0%, #A78BFA 40%, #22D3EE 100%);
    background-size: 200% auto;
    -webkit-background-clip: text; background-clip: text;
    -webkit-text-fill-color: transparent; color: transparent;
    animation: jy-gradientShift 4s ease infinite;
}
.jy-about .jy-hero h1 .line { display: block; }
.jy-about .jy-hero p {
    font-size: clamp(14.5px, 1.7vw, 17px); color: rgba(255, 255, 255, .72);
    margin: 0 0 34px; line-height: 1.9; max-width: 640px;
    animation: jy-fadeUp .9s ease .15s both;
}
.jy-about .jy-hero-actions { display: flex; gap: 14px; flex-wrap: wrap; justify-content: flex-start; animation: jy-fadeUp 1s ease .3s both; }

/* Hero：AI 问答演示窗口（右栏展示） */
.jy-about .jy-hero-demo { position: relative; width: 100%; animation: jy-fadeUp 1.1s ease .35s both; }
.jy-about .jy-hero-demo .demo-window {
    position: relative; border-radius: 20px; background: rgba(255, 255, 255, .06);
    border: 1px solid rgba(255, 255, 255, .14);
    backdrop-filter: blur(14px); -webkit-backdrop-filter: blur(14px);
    overflow: hidden; box-shadow: 0 30px 60px -20px rgba(0, 0, 0, .5);
}
.jy-about .jy-hero-demo .demo-bar { display: flex; align-items: center; gap: 8px; padding: 13px 16px; background: rgba(255, 255, 255, .05); border-bottom: 1px solid rgba(255, 255, 255, .08); }
.jy-about .jy-hero-demo .demo-bar .d-dot { width: 10px; height: 10px; border-radius: 50%; }
.jy-about .jy-hero-demo .demo-bar .d-dot:nth-child(1) { background: #F87171; }
.jy-about .jy-hero-demo .demo-bar .d-dot:nth-child(2) { background: #FBBF24; }
.jy-about .jy-hero-demo .demo-bar .d-dot:nth-child(3) { background: #34D399; }
.jy-about .jy-hero-demo .demo-bar .d-title { margin-left: 8px; font-size: 12px; color: rgba(255, 255, 255, .55); font-weight: 500; letter-spacing: .3px; }
.jy-about .jy-hero-demo .demo-bar .d-live { margin-left: auto; display: inline-flex; align-items: center; gap: 6px; font-size: 11px; color: #6EE7B7; font-weight: 600; }
.jy-about .jy-hero-demo .demo-bar .d-live .dot { width: 7px; height: 7px; border-radius: 50%; background: #34D399; animation: jy-pulse 1.6s infinite; }
.jy-about .jy-hero-demo .demo-chat { padding: 20px 18px 14px; display: flex; flex-direction: column; gap: 14px; }
.jy-about .jy-hero-demo .demo-msg { max-width: 88%; padding: 12px 15px; border-radius: 14px; font-size: 13.5px; line-height: 1.75; }
.jy-about .jy-hero-demo .demo-msg.user { align-self: flex-end; background: linear-gradient(135deg, #6366F1, #8B5CF6); color: #fff; border-bottom-right-radius: 4px; }
.jy-about .jy-hero-demo .demo-msg.ai { align-self: flex-start; background: rgba(255, 255, 255, .08); border: 1px solid rgba(255, 255, 255, .1); color: rgba(255, 255, 255, .88); border-bottom-left-radius: 4px; }
.jy-about .jy-hero-demo .demo-msg.ai .brand { color: #A5B4FC; font-weight: 700; }
.jy-about .jy-hero-demo .demo-msg.ai .hl { color: #67E8F9; font-weight: 600; }
.jy-about .jy-hero-demo .demo-msg .ai-head { display: flex; align-items: center; gap: 8px; font-size: 12px; font-weight: 700; color: #C7D2FE; margin-bottom: 8px; }
.jy-about .jy-hero-demo .demo-msg .ai-head .ai-avatar { width: 22px; height: 22px; border-radius: 7px; background: var(--jy-grad-primary); display: flex; align-items: center; justify-content: center; color: #fff; }
.jy-about .jy-hero-demo .demo-msg .ai-head .ai-avatar svg { width: 13px; height: 13px; }
.jy-about .jy-hero-demo .demo-msg .ai-tag { display: inline-flex; align-items: center; gap: 5px; margin-top: 10px; padding: 4px 10px; border-radius: 100px; background: rgba(52, 211, 153, .14); border: 1px solid rgba(52, 211, 153, .3); color: #6EE7B7; font-size: 11.5px; font-weight: 600; }
.jy-about .jy-hero-demo .demo-msg .ai-tag svg { width: 12px; height: 12px; }
.jy-about .jy-hero-demo .demo-input { display: flex; align-items: center; gap: 10px; margin: 0 18px 16px; padding: 11px 14px; border-radius: 12px; background: rgba(255, 255, 255, .07); border: 1px solid rgba(255, 255, 255, .12); }
.jy-about .jy-hero-demo .demo-input .ph { font-size: 12.5px; color: rgba(255, 255, 255, .4); }
.jy-about .jy-hero-demo .demo-input .send { margin-left: auto; width: 30px; height: 30px; border-radius: 9px; background: var(--jy-grad-primary); display: flex; align-items: center; justify-content: center; color: #fff; }
.jy-about .jy-hero-demo .demo-input .send svg { width: 14px; height: 14px; }
.jy-about .jy-hero-demo .demo-float {
    position: absolute; background: rgba(255, 255, 255, .94); border-radius: 14px;
    box-shadow: 0 16px 40px -10px rgba(0, 0, 0, .45); padding: 11px 14px;
    display: flex; align-items: center; gap: 9px; font-size: 12.5px; font-weight: 600;
    color: var(--jy-dark); animation: jy-float 4.5s ease-in-out infinite; z-index: 2;
}
.jy-about .jy-hero-demo .demo-float .f-ic { width: 30px; height: 30px; border-radius: 9px; display: flex; align-items: center; justify-content: center; flex-shrink: 0; }
.jy-about .jy-hero-demo .demo-float .f-ic svg { width: 16px; height: 16px; }
.jy-about .jy-hero-demo .demo-float.f1 { top: 40px; left: -22px; }
.jy-about .jy-hero-demo .demo-float.f1 .f-ic { background: rgba(6, 182, 212, .12); color: var(--jy-cyan); }
.jy-about .jy-hero-demo .demo-float.f2 { bottom: 68px; right: -18px; animation-delay: 2.2s; }
.jy-about .jy-hero-demo .demo-float.f2 .f-ic { background: rgba(20, 184, 166, .12); color: var(--jy-teal); }

/* Hero 数据条（置于底部） */
.jy-about .jy-hero-stats {
    position: relative; z-index: 2; width: 100%; max-width: 1180px; margin: 0 auto;
    padding: 56px 24px 64px; display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px;
    animation: jy-fadeUp 1s ease .55s both;
}
.jy-about .jy-hero-stat {
    padding: 22px 16px; border-radius: var(--jy-radius);
    background: rgba(255, 255, 255, .05); border: 1px solid rgba(255, 255, 255, .1);
    backdrop-filter: blur(10px); transition: all .3s; text-align: center;
}
.jy-about .jy-hero-stat:hover { background: rgba(255, 255, 255, .09); border-color: rgba(129, 140, 248, .35); transform: translateY(-4px); }
.jy-about .jy-hero-stat .num {
    font-size: clamp(28px, 3.2vw, 40px); font-weight: 800; color: #fff;
    font-family: "SF Mono", "Fira Code", Consolas, monospace; line-height: 1.2;
}
.jy-about .jy-hero-stat .num .unit { font-size: 20px; margin-left: 2px; }
.jy-about .jy-hero-stat .label { font-size: 13px; color: rgba(255, 255, 255, .55); margin-top: 6px; }
@media (max-width: 900px) {
    .jy-about .jy-hero { padding: 64px 0 0; min-height: auto; }
    .jy-about .jy-hero-inner { grid-template-columns: 1fr; gap: 44px; text-align: center; }
    .jy-about .jy-hero p { margin: 0 auto 34px; }
    .jy-about .jy-hero-actions { justify-content: center; }
    .jy-about .jy-hero-demo { max-width: 460px; margin: 0 auto; }
    .jy-about .jy-hero-stats { grid-template-columns: repeat(2, 1fr); gap: 14px; padding: 44px 24px 56px; }
}

/* ============ TRUST BAR（AI 平台兼容） ============ */
.jy-about .jy-trust { background: var(--jy-bg); border-bottom: 1px solid var(--jy-border); padding: 28px 0; }
.jy-about .jy-trust-inner { max-width: 1180px; margin: 0 auto; padding: 0 24px; text-align: center; }
.jy-about .jy-trust-inner .t-label { font-size: 13px; color: var(--jy-text-lighter); font-weight: 600; letter-spacing: 1px; margin-bottom: 18px; }
.jy-about .jy-trust-list { display: flex; justify-content: center; align-items: center; gap: 14px; flex-wrap: wrap; }
.jy-about .jy-trust-item {
    display: inline-flex; align-items: center; gap: 9px; padding: 10px 20px; border-radius: 100px;
    background: var(--jy-bg-soft); border: 1px solid var(--jy-border);
    font-size: 14.5px; font-weight: 600; color: var(--jy-text); transition: all .3s;
}
.jy-about .jy-trust-item:hover { border-color: rgba(79, 70, 229, .4); box-shadow: var(--jy-shadow); transform: translateY(-2px); }
.jy-about .jy-trust-item svg { width: 18px; height: 18px; color: var(--jy-primary); }
.jy-about .jy-trust-item .check { color: var(--jy-teal); }
.jy-about .jy-trust-item .check svg { width: 16px; height: 16px; }

/* ============ 关于我们 / 公司简介 ============ */
.jy-about .jy-about-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 64px; align-items: center; }
.jy-about .jy-about-visual { position: relative; padding: 20px 0; }
.jy-about .jy-about-card {
    position: relative; background: var(--jy-grad-hero);
    border-radius: var(--jy-radius-xl); padding: 40px 36px; color: #fff;
    overflow: hidden; box-shadow: var(--jy-shadow-xl);
}
.jy-about .jy-about-card::before {
    content: ""; position: absolute; inset: 0;
    background:
        radial-gradient(ellipse 80% 60% at 80% 0%, rgba(99, 102, 241, .4), transparent 60%),
        radial-gradient(ellipse 60% 50% at 10% 100%, rgba(6, 182, 212, .25), transparent 60%);
}
.jy-about .jy-about-card .card-head { position: relative; display: flex; align-items: center; gap: 14px; margin-bottom: 22px; }
.jy-about .jy-about-card .card-icon {
    width: 52px; height: 52px; border-radius: 14px; background: var(--jy-grad-primary);
    display: flex; align-items: center; justify-content: center; flex-shrink: 0;
    box-shadow: 0 8px 20px rgba(79, 70, 229, .4); color: #fff;
}
.jy-about .jy-about-card .card-icon svg { width: 26px; height: 26px; }
.jy-about .jy-about-card h3 { position: relative; font-size: 20px; font-weight: 700; line-height: 1.4; color: #fff; margin: 0; }
.jy-about .jy-about-card h3 span { display: block; font-size: 13px; font-weight: 500; color: rgba(255, 255, 255, .55); margin-top: 2px; }
.jy-about .jy-about-card .quote { position: relative; font-size: 19px; font-weight: 600; line-height: 1.7; margin-bottom: 20px; }
.jy-about .jy-about-card .quote em {
    font-style: normal;
    background: linear-gradient(135deg, #A5B4FC, #67E8F9);
    -webkit-background-clip: text; background-clip: text;
    -webkit-text-fill-color: transparent; color: transparent;
}
.jy-about .jy-about-card .card-foot {
    position: relative; font-size: 13.5px; color: rgba(255, 255, 255, .6);
    border-top: 1px solid rgba(255, 255, 255, .12); padding-top: 16px; line-height: 1.8;
}
.jy-about .jy-float-chip {
    position: absolute; background: #fff; border-radius: 14px; box-shadow: var(--jy-shadow-lg);
    padding: 12px 16px; display: flex; align-items: center; gap: 10px;
    font-size: 13px; font-weight: 600; color: var(--jy-dark); animation: jy-float 4s ease-in-out infinite; z-index: 3;
}
.jy-about .jy-float-chip .chip-ico { width: 34px; height: 34px; border-radius: 10px; display: flex; align-items: center; justify-content: center; flex-shrink: 0; }
.jy-about .jy-float-chip .chip-ico svg { width: 17px; height: 17px; }
.jy-about .jy-float-chip.c1 { bottom: -5px; left: -30px; }
.jy-about .jy-float-chip.c1 .chip-ico { background: rgba(6, 182, 212, .12); color: var(--jy-cyan); }
.jy-about .jy-float-chip.c2 { top: 26px; right: -26px; animation-delay: 2s; }
.jy-about .jy-float-chip.c2 .chip-ico { background: rgba(20, 184, 166, .12); color: var(--jy-teal); }
.jy-about .jy-about-text h3 { font-size: 22px; font-weight: 700; color: var(--jy-dark); margin: 28px 0 12px; }
.jy-about .jy-about-text p { font-size: 15.5px; color: var(--jy-text-light); line-height: 1.9; }
.jy-about .jy-track-list { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; margin-top: 24px; }
.jy-about .jy-track-item { display: flex; gap: 12px; padding: 18px 16px; border-radius: 14px; background: var(--jy-bg); border: 1px solid var(--jy-border); transition: all .3s; }
.jy-about .jy-track-item:hover { border-color: rgba(79, 70, 229, .4); box-shadow: var(--jy-shadow); transform: translateY(-2px); }
.jy-about .jy-track-item .t-ico { width: 40px; height: 40px; border-radius: 11px; flex-shrink: 0; display: flex; align-items: center; justify-content: center; }
.jy-about .jy-track-item .t-ico svg { width: 20px; height: 20px; }
.jy-about .jy-track-item:nth-child(1) .t-ico { background: rgba(79, 70, 229, .1); color: var(--jy-primary); }
.jy-about .jy-track-item:nth-child(2) .t-ico { background: rgba(124, 58, 237, .1); color: var(--jy-accent); }
.jy-about .jy-track-item:nth-child(3) .t-ico { background: rgba(6, 182, 212, .1); color: var(--jy-cyan); }
.jy-about .jy-track-item:nth-child(4) .t-ico { background: rgba(14, 165, 233, .1); color: #0EA5E9; }
.jy-about .jy-track-item .t-title { font-size: 15px; font-weight: 700; color: var(--jy-dark); line-height: 1.4; }
.jy-about .jy-track-item .t-desc { font-size: 12.5px; color: var(--jy-text-light); line-height: 1.6; margin-top: 3px; }
@media (max-width: 900px) {
    .jy-about .jy-about-grid { grid-template-columns: 1fr; gap: 48px; }
    .jy-about .jy-float-chip.c1 { left: -8px; }
    .jy-about .jy-float-chip.c2 { right: -8px; }
    .jy-about .jy-track-list { grid-template-columns: 1fr; }
}

/* ============ 企业使命 ============ */
.jy-about .jy-mission { position: relative; overflow: hidden; background: var(--jy-grad-hero); }
.jy-about .jy-mission::before { content: ""; position: absolute; inset: 0; background: radial-gradient(ellipse 60% 60% at 50% 100%, rgba(99, 102, 241, .35), transparent 60%); }
.jy-about .jy-mission-inner { position: relative; text-align: center; padding: 96px 24px; max-width: 820px; margin: 0 auto; }
.jy-about .jy-mission-mark {
    width: 72px; height: 72px; border-radius: 22px; background: var(--jy-grad-primary);
    display: flex; align-items: center; justify-content: center; margin: 0 auto 28px;
    box-shadow: 0 12px 32px rgba(79, 70, 229, .45); color: #fff;
}
.jy-about .jy-mission-mark svg { width: 34px; height: 34px; }
.jy-about .jy-mission h2 { font-size: clamp(24px, 3.4vw, 36px); font-weight: 800; color: #fff; line-height: 1.4; letter-spacing: -.5px; margin: 0; }
.jy-about .jy-mission h2 em {
    font-style: normal;
    background: linear-gradient(135deg, #A5B4FC, #67E8F9);
    -webkit-background-clip: text; background-clip: text;
    -webkit-text-fill-color: transparent; color: transparent;
}
.jy-about .jy-mission p { font-size: 15.5px; color: rgba(255, 255, 255, .7); line-height: 2; margin-top: 22px; }

/* ============ 核心优势 ============ */
.jy-about .jy-adv-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.jy-about .jy-adv-card {
    padding: 32px 28px; border-radius: var(--jy-radius-lg); background: #fff;
    border: 1px solid var(--jy-border); transition: all .35s; position: relative; overflow: hidden;
}
.jy-about .jy-adv-card::after {
    content: ""; position: absolute; top: 0; left: 0; right: 0; height: 3px;
    background: var(--jy-grad-primary); transform: scaleX(0); transform-origin: left; transition: transform .4s ease;
}
.jy-about .jy-adv-card:hover { transform: translateY(-6px); box-shadow: var(--jy-shadow-xl); border-color: transparent; }
.jy-about .jy-adv-card:hover::after { transform: scaleX(1); }
.jy-about .jy-adv-card .a-ico { width: 52px; height: 52px; border-radius: 14px; display: flex; align-items: center; justify-content: center; margin-bottom: 20px; background: rgba(79, 70, 229, .09); color: var(--jy-primary); }
.jy-about .jy-adv-card .a-ico svg { width: 26px; height: 26px; }
.jy-about .jy-adv-card:nth-child(2) .a-ico { background: rgba(6, 182, 212, .1); color: var(--jy-cyan); }
.jy-about .jy-adv-card:nth-child(3) .a-ico { background: rgba(124, 58, 237, .1); color: var(--jy-accent); }
.jy-about .jy-adv-card:nth-child(4) .a-ico { background: rgba(14, 165, 233, .1); color: #0EA5E9; }
.jy-about .jy-adv-card:nth-child(5) .a-ico { background: rgba(20, 184, 166, .1); color: var(--jy-teal); }
.jy-about .jy-adv-card:nth-child(6) .a-ico { background: rgba(245, 158, 11, .12); color: #F59E0B; }
.jy-about .jy-adv-card h3 { font-size: 18px; font-weight: 700; color: var(--jy-dark); margin-bottom: 10px; }
.jy-about .jy-adv-card p { font-size: 14px; color: var(--jy-text-light); line-height: 1.85; }
@media (max-width: 900px) { .jy-about .jy-adv-grid { grid-template-columns: 1fr 1fr; } }
@media (max-width: 640px) { .jy-about .jy-adv-grid { grid-template-columns: 1fr; } }

/* ============ GEO 产品总述 ============ */
.jy-about .jy-product-intro { display: grid; grid-template-columns: 1.05fr .95fr; gap: 60px; align-items: center; }
.jy-about .jy-product-text h3 { font-size: 22px; font-weight: 700; color: var(--jy-dark); margin: 26px 0 12px; }
.jy-about .jy-product-text h3:first-child { margin-top: 0; }
.jy-about .jy-product-text p { font-size: 15px; color: var(--jy-text-light); line-height: 1.95; }
.jy-about .jy-product-text .hl { color: var(--jy-primary); font-weight: 600; }
.jy-about .jy-pipe-wrap {
    background: var(--jy-grad-hero); border-radius: var(--jy-radius-xl); padding: 36px 32px;
    color: #fff; position: relative; overflow: hidden; box-shadow: var(--jy-shadow-xl);
}
.jy-about .jy-pipe-wrap::before { content: ""; position: absolute; inset: 0; background: radial-gradient(ellipse 80% 60% at 50% 0%, rgba(99, 102, 241, .35), transparent 60%); }
.jy-about .jy-pipe-title { position: relative; font-size: 16px; font-weight: 700; color: #C7D2FE; margin-bottom: 24px; display: flex; align-items: center; gap: 10px; }
.jy-about .jy-pipe-title .ico { width: 32px; height: 32px; border-radius: 9px; background: rgba(99, 102, 241, .25); display: flex; align-items: center; justify-content: center; color: #A5B4FC; }
.jy-about .jy-pipe-title .ico svg { width: 17px; height: 17px; }
.jy-about .jy-pipe-flow { position: relative; display: flex; flex-direction: column; gap: 0; }
.jy-about .jy-pipe-node { position: relative; display: flex; align-items: center; gap: 16px; padding: 13px 0; }
.jy-about .jy-pipe-node .node-num {
    width: 36px; height: 36px; border-radius: 50%; background: var(--jy-grad-primary);
    display: flex; align-items: center; justify-content: center; font-size: 14px; font-weight: 700;
    flex-shrink: 0; box-shadow: 0 4px 12px rgba(79, 70, 229, .45); z-index: 2;
}
.jy-about .jy-pipe-node .node-name { font-size: 15px; font-weight: 600; z-index: 2; }
.jy-about .jy-pipe-node .node-sub { font-size: 12px; color: rgba(255, 255, 255, .55); margin-left: auto; z-index: 2; }
.jy-about .jy-pipe-node::before {
    content: ""; position: absolute; left: 17.5px; top: 36px; bottom: -13px; width: 2px;
    background: linear-gradient(180deg, rgba(129, 140, 248, .6), rgba(129, 140, 248, .15));
}
.jy-about .jy-pipe-node:last-child::before { display: none; }
.jy-about .jy-pipe-close {
    position: relative; margin-top: 20px; padding: 16px; border-radius: 14px;
    background: rgba(6, 182, 212, .15); border: 1px solid rgba(34, 211, 238, .3);
    font-size: 13.5px; color: #A5F3FC; line-height: 1.7; display: flex; gap: 10px; align-items: flex-start;
}
.jy-about .jy-pipe-close svg { width: 18px; height: 18px; flex-shrink: 0; margin-top: 2px; color: #67E8F9; }
@media (max-width: 900px) { .jy-about .jy-product-intro { grid-template-columns: 1fr; gap: 44px; } }

/* ============ 九大功能模块 ============ */
.jy-about .jy-mod-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.jy-about .jy-mod-card {
    padding: 28px 24px; border-radius: var(--jy-radius-lg); background: #fff;
    border: 1px solid var(--jy-border); transition: all .35s; position: relative; overflow: hidden;
}
.jy-about .jy-mod-card:hover { transform: translateY(-6px); box-shadow: var(--jy-shadow-xl); border-color: rgba(79, 70, 229, .3); }
.jy-about .jy-mod-card .m-head { display: flex; align-items: center; gap: 14px; margin-bottom: 14px; }
.jy-about .jy-mod-card .m-ico {
    width: 46px; height: 46px; border-radius: 13px; display: flex; align-items: center;
    justify-content: center; flex-shrink: 0; background: var(--jy-grad-primary);
    color: #fff; box-shadow: 0 6px 16px rgba(79, 70, 229, .3);
}
.jy-about .jy-mod-card .m-ico svg { width: 22px; height: 22px; }
.jy-about .jy-mod-card:nth-child(2) .m-ico { background: linear-gradient(135deg, #06B6D4, #4F46E5); }
.jy-about .jy-mod-card:nth-child(3) .m-ico { background: linear-gradient(135deg, #7C3AED, #DB2777); }
.jy-about .jy-mod-card:nth-child(4) .m-ico { background: linear-gradient(135deg, #F59E0B, #EF4444); }
.jy-about .jy-mod-card:nth-child(5) .m-ico { background: linear-gradient(135deg, #14B8A6, #06B6D4); }
.jy-about .jy-mod-card:nth-child(6) .m-ico { background: linear-gradient(135deg, #8B5CF6, #4F46E5); }
.jy-about .jy-mod-card:nth-child(7) .m-ico { background: linear-gradient(135deg, #0EA5E9, #6366F1); }
.jy-about .jy-mod-card:nth-child(8) .m-ico { background: linear-gradient(135deg, #10B981, #14B8A6); }
.jy-about .jy-mod-card:nth-child(9) .m-ico { background: linear-gradient(135deg, #F43F5E, #F59E0B); }
.jy-about .jy-mod-card .m-num {
    position: absolute; top: 22px; right: 22px; font-size: 34px; font-weight: 800;
    color: var(--jy-bg-gray); font-family: "SF Mono", Consolas, monospace; line-height: 1;
}
.jy-about .jy-mod-card h3 { font-size: 17px; font-weight: 700; color: var(--jy-dark); margin-bottom: 10px; }
.jy-about .jy-mod-card p { font-size: 13.5px; color: var(--jy-text-light); line-height: 1.85; }
.jy-about .jy-mod-card .m-points { margin-top: 14px; padding-top: 14px; border-top: 1px dashed var(--jy-border); display: flex; flex-direction: column; gap: 7px; }
.jy-about .jy-mod-card .m-points span { font-size: 12.5px; color: var(--jy-text-light); display: flex; gap: 8px; align-items: flex-start; line-height: 1.6; }
.jy-about .jy-mod-card .m-points span .check { color: var(--jy-primary); flex-shrink: 0; margin-top: 3px; }
.jy-about .jy-mod-card .m-points span .check svg { width: 12px; height: 12px; }
@media (max-width: 900px) { .jy-about .jy-mod-grid { grid-template-columns: 1fr 1fr; } }
@media (max-width: 640px) { .jy-about .jy-mod-grid { grid-template-columns: 1fr; } }

/* ============ 四大合作模式 ============ */
.jy-about .jy-partner-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 22px; }
.jy-about .jy-partner-card {
    position: relative; border-radius: var(--jy-radius-lg); overflow: hidden; background: #fff;
    border: 1px solid var(--jy-border); transition: all .35s; display: flex; flex-direction: column;
}
.jy-about .jy-partner-card:hover { transform: translateY(-6px); box-shadow: var(--jy-shadow-xl); }
.jy-about .jy-partner-card .p-banner { padding: 26px 24px 22px; color: #fff; position: relative; overflow: hidden; }
.jy-about .jy-partner-card:nth-child(1) .p-banner { background: linear-gradient(135deg, #4F46E5, #7C3AED); }
.jy-about .jy-partner-card:nth-child(2) .p-banner { background: linear-gradient(135deg, #06B6D4, #4F46E5); }
.jy-about .jy-partner-card:nth-child(3) .p-banner { background: linear-gradient(135deg, #7C3AED, #0F172A); }
.jy-about .jy-partner-card:nth-child(4) .p-banner { background: linear-gradient(135deg, #F59E0B, #EF4444); }
.jy-about .jy-partner-card .p-banner::after { content: ""; position: absolute; width: 140px; height: 140px; border-radius: 50%; background: rgba(255, 255, 255, .12); top: -50px; right: -40px; }
.jy-about .jy-partner-card .p-banner .p-ico {
    width: 44px; height: 44px; border-radius: 12px; background: rgba(255, 255, 255, .16);
    border: 1px solid rgba(255, 255, 255, .22); display: flex; align-items: center; justify-content: center;
    margin-bottom: 14px; position: relative;
}
.jy-about .jy-partner-card .p-banner .p-ico svg { width: 22px; height: 22px; }
.jy-about .jy-partner-card .p-banner h3 { font-size: 18px; font-weight: 700; line-height: 1.45; position: relative; color: #fff; margin: 0; }
.jy-about .jy-partner-card .p-banner .p-tag { display: inline-block; margin-top: 10px; font-size: 11.5px; padding: 3px 10px; border-radius: 100px; background: rgba(255, 255, 255, .18); border: 1px solid rgba(255, 255, 255, .25); position: relative; }
.jy-about .jy-partner-card .p-body { padding: 22px 24px 24px; flex: 1; display: flex; flex-direction: column; }
.jy-about .jy-partner-card .p-body ul { flex: 1; display: flex; flex-direction: column; gap: 9px; }
.jy-about .jy-partner-card .p-body li { font-size: 13px; color: var(--jy-text-light); line-height: 1.65; display: flex; gap: 8px; }
.jy-about .jy-partner-card .p-body li .dot-ic { color: var(--jy-primary); flex-shrink: 0; margin-top: 4px; }
.jy-about .jy-partner-card .p-body li .dot-ic svg { width: 12px; height: 12px; }
.jy-about .jy-partner-card .p-fit { margin-top: 18px; padding: 12px 14px; border-radius: 12px; background: var(--jy-bg-soft); font-size: 12.5px; color: var(--jy-text-light); line-height: 1.7; }
.jy-about .jy-partner-card .p-fit strong { color: var(--jy-primary); }
@media (max-width: 1000px) { .jy-about .jy-partner-grid { grid-template-columns: 1fr 1fr; } }
@media (max-width: 640px) { .jy-about .jy-partner-grid { grid-template-columns: 1fr; } }

/* ============ 商业价值 ============ */
.jy-about .jy-value-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 22px; }
.jy-about .jy-value-card { display: flex; gap: 20px; padding: 28px; border-radius: var(--jy-radius-lg); background: #fff; border: 1px solid var(--jy-border); transition: all .35s; }
.jy-about .jy-value-card:hover { transform: translateY(-4px); box-shadow: var(--jy-shadow-lg); border-color: rgba(79, 70, 229, .3); }
.jy-about .jy-value-card .v-ico { width: 50px; height: 50px; border-radius: 14px; flex-shrink: 0; display: flex; align-items: center; justify-content: center; background: rgba(79, 70, 229, .08); color: var(--jy-primary); }
.jy-about .jy-value-card .v-ico svg { width: 24px; height: 24px; }
.jy-about .jy-value-card:nth-child(2) .v-ico { background: rgba(6, 182, 212, .1); color: var(--jy-cyan); }
.jy-about .jy-value-card:nth-child(3) .v-ico { background: rgba(124, 58, 237, .1); color: var(--jy-accent); }
.jy-about .jy-value-card:nth-child(4) .v-ico { background: rgba(20, 184, 166, .1); color: var(--jy-teal); }
.jy-about .jy-value-card:nth-child(5) .v-ico { background: rgba(245, 158, 11, .12); color: #F59E0B; }
.jy-about .jy-value-card:nth-child(6) .v-ico { background: rgba(14, 165, 233, .1); color: #0EA5E9; }
.jy-about .jy-value-card h3 { font-size: 16.5px; font-weight: 700; color: var(--jy-dark); margin-bottom: 8px; }
.jy-about .jy-value-card p { font-size: 13.5px; color: var(--jy-text-light); line-height: 1.85; }
@media (max-width: 900px) { .jy-about .jy-value-grid { grid-template-columns: 1fr; } }

/* ============ 常见问题（手风琴，页面模板设置中填写） ============ */
.jy-about .jy-faq-list { max-width: 860px; margin: 0 auto; display: flex; flex-direction: column; gap: 14px; }
.jy-about .jy-faq-item { border: 1px solid var(--jy-border); border-radius: var(--jy-radius); background: #fff; overflow: hidden; transition: all .3s; }
.jy-about .jy-faq-item:hover { border-color: rgba(79, 70, 229, .35); }
.jy-about .jy-faq-item.open { border-color: rgba(79, 70, 229, .4); box-shadow: var(--jy-shadow-lg); }
.jy-about .jy-faq-q {
    width: 100%; display: flex; align-items: center; gap: 14px; padding: 20px 22px;
    text-align: left; font-size: 15.5px; font-weight: 600; color: var(--jy-dark);
    background: none; min-height: 56px;
}
.jy-about .jy-faq-q .q-ic {
    width: 34px; height: 34px; border-radius: 10px; background: rgba(79, 70, 229, .09);
    color: var(--jy-primary); display: flex; align-items: center; justify-content: center; flex-shrink: 0;
}
.jy-about .jy-faq-q .q-ic svg { width: 17px; height: 17px; }
.jy-about .jy-faq-q .q-arrow {
    margin-left: auto; width: 26px; height: 26px; border-radius: 8px; background: var(--jy-bg-gray);
    color: var(--jy-text-light); display: flex; align-items: center; justify-content: center;
    transition: all .3s; flex-shrink: 0;
}
.jy-about .jy-faq-q .q-arrow svg { width: 14px; height: 14px; }
.jy-about .jy-faq-item.open .q-arrow { background: var(--jy-grad-primary); color: #fff; transform: rotate(180deg); }
.jy-about .jy-faq-a { max-height: 0; overflow: hidden; transition: max-height .4s cubic-bezier(.16, 1, .3, 1); }
.jy-about .jy-faq-a .a-inner { padding: 0 22px 20px 70px; font-size: 14px; color: var(--jy-text-light); line-height: 1.95; }
.jy-about .jy-faq-empty { text-align: center; padding: 40px 0; color: var(--jy-text-lighter); font-size: 15px; }
.jy-about .jy-faq-empty p { border: 1px dashed var(--jy-border); border-radius: var(--jy-radius); padding: 28px; }

/* ============ CTA 联系区 ============ */
.jy-about .jy-cta { position: relative; overflow: hidden; background: var(--jy-grad-hero); text-align: center; }
.jy-about .jy-cta::before {
    content: ""; position: absolute; inset: 0;
    background:
        radial-gradient(ellipse 70% 60% at 50% 0%, rgba(99, 102, 241, .35), transparent 60%),
        radial-gradient(ellipse 50% 50% at 85% 90%, rgba(6, 182, 212, .2), transparent 60%);
}
.jy-about .jy-cta-inner { position: relative; padding: 104px 24px; max-width: 780px; margin: 0 auto; }
.jy-about .jy-cta h2 { font-size: clamp(26px, 3.8vw, 42px); font-weight: 800; color: #fff; line-height: 1.35; letter-spacing: -.5px; margin: 0; }
.jy-about .jy-cta h2 .gradient-text {
    background: linear-gradient(135deg, #A5B4FC, #67E8F9);
    -webkit-background-clip: text; background-clip: text;
    -webkit-text-fill-color: transparent; color: transparent;
}
.jy-about .jy-cta p { font-size: 15.5px; color: rgba(255, 255, 255, .7); margin-top: 18px; line-height: 1.9; }
.jy-about .jy-cta-actions { display: flex; gap: 16px; justify-content: center; flex-wrap: wrap; margin-top: 36px; }
.jy-about .jy-cta-contacts { display: flex; justify-content: center; gap: 36px; margin-top: 48px; flex-wrap: wrap; }
.jy-about .jy-cta-contact { display: flex; align-items: center; gap: 12px; color: rgba(255, 255, 255, .85); font-size: 14.5px; font-weight: 500; }
.jy-about .jy-cta-contact .cc-ico {
    width: 42px; height: 42px; border-radius: 12px; background: rgba(255, 255, 255, .1);
    border: 1px solid rgba(255, 255, 255, .15); display: flex; align-items: center;
    justify-content: center; color: #A5B4FC; flex-shrink: 0;
}
.jy-about .jy-cta-contact .cc-ico svg { width: 19px; height: 19px; }
.jy-about .jy-cta-contact span b { display: block; font-size: 12px; font-weight: 400; color: rgba(255, 255, 255, .5); margin-bottom: 2px; }
.jy-about .jy-cta-contact a:hover { color: #fff; }
@media (max-width: 640px) {
    .jy-about .jy-cta-contacts { gap: 20px; flex-direction: column; align-items: center; }
    .jy-about .jy-cta-contact { width: 100%; max-width: 340px; text-align: left; }
}