:root {
    --ab-blue: #2b79f6;
    --ab-blue-dark: #1458d8;
    --ab-sky: #4cb8fa;
    --ab-ink: #14213d;
    --ab-muted: #71809a;
    --ab-line: #dce8f8;
    --ab-soft: #f5f9ff;
    --ab-white: #fff;
    --ab-shadow: 0 24px 70px rgba(27, 78, 155, .13);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body.wx-about-page { min-width: 320px; overflow-x: clip; background: #fff; color: var(--ab-ink); font-family: "Microsoft YaHei", "PingFang SC", Arial, sans-serif; }
.wx-about-page a { text-decoration: none; }
.ab-container { width: min(1180px, calc(100% - 48px)); margin: 0 auto; }
.ab-nav-toggle { display: none; }

/* Header */
.wx-about-page #nav { position: sticky; top: 0; z-index: 1100; }
.wx-about-page #nav .pull-right > a.item[href="/aboutus/"] { position: relative; color: #fff; }
.wx-about-page #nav .pull-right > a.item[href="/aboutus/"]::after { content: ""; position: absolute; right: 0; bottom: 16px; left: 0; height: 3px; border-radius: 3px; background: #fff; }
.wx-about-page #nav.wx-nav--scrolled .pull-right > a.item[href="/aboutus/"] { color: var(--ab-blue); }
.wx-about-page #nav.wx-nav--scrolled .pull-right > a.item[href="/aboutus/"]::after { background: var(--ab-blue); }

/* Hero */
.ab-hero { position: relative; min-height: 650px; overflow: hidden; background: linear-gradient(122deg, #0e4fc7 0%, #2378f2 54%, #42a5fb 100%); color: #fff; }
.ab-hero::before { content: ""; position: absolute; width: 560px; height: 560px; top: -345px; left: -90px; border: 1px solid rgba(255,255,255,.17); border-radius: 50%; }
.ab-hero::after { content: ""; position: absolute; width: 720px; height: 720px; right: -340px; bottom: -560px; border: 1px solid rgba(255,255,255,.14); border-radius: 50%; }
.ab-hero-grid { position: relative; z-index: 2; display: grid; grid-template-columns: 1.02fr .98fr; align-items: center; gap: 82px; min-height: 650px; padding: 72px 0 90px; }
.ab-eyebrow { display: inline-flex; align-items: center; gap: 12px; margin-bottom: 22px; color: rgba(255,255,255,.78); font-size: 12px; font-weight: 800; letter-spacing: 2.3px; }
.ab-eyebrow::before { content: ""; width: 34px; height: 3px; border-radius: 3px; background: #ffad34; }
.ab-hero-copy h1 { margin: 0; color: #fff; font-size: 54px; line-height: 1.22; font-weight: 800; letter-spacing: -2px; }
.ab-hero-copy h1 span { color: #bfeaff; }
.ab-hero-copy > p { max-width: 610px; margin: 25px 0 0; color: rgba(255,255,255,.78); font-size: 17px; line-height: 1.9; }
.ab-actions { display: flex; flex-wrap: wrap; gap: 14px; margin-top: 34px; }
.ab-btn { display: inline-flex; min-width: 150px; height: 50px; align-items: center; justify-content: center; padding: 0 24px; border: 1px solid rgba(255,255,255,.42); border-radius: 8px; color: #fff; font-size: 15px; font-weight: 700; transition: transform .2s ease, box-shadow .2s ease; }
.ab-btn:hover { transform: translateY(-2px); }
.ab-btn--primary { border-color: #ffad34; background: #ff9f21; box-shadow: 0 14px 30px rgba(137,76,0,.22); }
.ab-btn--ghost { background: rgba(255,255,255,.08); }
.ab-hero-tags { display: flex; flex-wrap: wrap; gap: 22px; margin-top: 27px; color: rgba(255,255,255,.75); font-size: 13px; }
.ab-hero-tags span { display: inline-flex; align-items: center; gap: 8px; }
.ab-hero-tags span::before { content: ""; width: 7px; height: 7px; border: 2px solid rgba(255,255,255,.7); border-radius: 50%; }

.ab-network { position: relative; min-height: 452px; padding: 28px; border: 1px solid rgba(255,255,255,.22); border-radius: 28px; background: rgba(11,62,158,.28); box-shadow: 0 30px 70px rgba(0,36,118,.25); backdrop-filter: blur(8px); }
.ab-network-head { display: flex; align-items: center; justify-content: space-between; }
.ab-network-head strong { color: #fff; font-size: 18px; }
.ab-network-head span { display: inline-flex; align-items: center; gap: 7px; color: #dfffee; font-size: 12px; }
.ab-network-head span::before { content: ""; width: 8px; height: 8px; border-radius: 50%; background: #55e7a4; box-shadow: 0 0 0 5px rgba(85,231,164,.13); }
.ab-network-canvas { position: relative; height: 330px; margin-top: 20px; overflow: hidden; border-radius: 20px; background: linear-gradient(145deg, rgba(255,255,255,.95), rgba(239,247,255,.96)); }
.ab-network-canvas::before { content: ""; position: absolute; inset: 0; opacity: .72; background-image: linear-gradient(rgba(43,121,246,.08) 1px, transparent 1px), linear-gradient(90deg, rgba(43,121,246,.08) 1px, transparent 1px); background-size: 36px 36px; }
.ab-core { position: absolute; z-index: 3; top: 50%; left: 50%; display: flex; width: 126px; height: 126px; align-items: center; justify-content: center; transform: translate(-50%,-50%); border: 13px solid #e8f2ff; border-radius: 50%; background: linear-gradient(135deg, #1b68e7, #45affb); color: #fff; box-shadow: 0 18px 38px rgba(40,111,222,.3); text-align: center; }
.ab-core strong { font-size: 18px; line-height: 1.45; }
.ab-orbit { position: absolute; top: 50%; left: 50%; width: 300px; height: 230px; transform: translate(-50%,-50%); border: 1px dashed #8ebcf5; border-radius: 50%; }
.ab-node { position: absolute; z-index: 4; display: flex; min-width: 82px; height: 38px; align-items: center; justify-content: center; padding: 0 13px; border: 1px solid #d9e8fb; border-radius: 11px; background: #fff; color: #40516d; font-size: 12px; font-weight: 700; box-shadow: 0 10px 24px rgba(42,91,160,.12); }
.ab-node--one { top: 30px; left: 35px; }
.ab-node--two { top: 38px; right: 30px; }
.ab-node--three { top: 145px; right: 24px; }
.ab-node--four { right: 52px; bottom: 25px; }
.ab-node--five { bottom: 31px; left: 43px; }
.ab-node--six { top: 150px; left: 21px; }
.ab-network-foot { display: flex; justify-content: space-between; margin-top: 17px; color: rgba(255,255,255,.65); font-size: 12px; }
.ab-network-foot b { color: #fff; }

/* Shared */
.ab-section { padding: 108px 0; }
.ab-section--soft { background: var(--ab-soft); }
.ab-section-head { max-width: 790px; margin: 0 auto 52px; text-align: center; }
.ab-label { display: block; margin-bottom: 13px; color: var(--ab-blue); font-size: 12px; font-weight: 800; letter-spacing: 3px; }
.ab-section-head h2 { margin: 0; color: var(--ab-ink); font-size: 38px; line-height: 1.35; font-weight: 800; }
.ab-section-head p { margin: 16px 0 0; color: var(--ab-muted); font-size: 16px; line-height: 1.85; }

/* Company profile */
.ab-profile-grid { display: grid; grid-template-columns: .92fr 1.08fr; align-items: stretch; gap: 58px; }
.ab-profile-copy { padding: 28px 0; }
.ab-profile-copy .ab-label { margin-bottom: 17px; }
.ab-profile-copy h2 { margin: 0 0 25px; color: var(--ab-ink); font-size: 40px; line-height: 1.4; }
.ab-profile-copy p { margin: 0 0 17px; color: var(--ab-muted); font-size: 15px; line-height: 2; }
.ab-profile-copy strong { color: #34435f; }
.ab-profile-card { position: relative; min-height: 460px; overflow: hidden; padding: 42px; border-radius: 28px; background: linear-gradient(145deg, #163d83, #1c6be0 64%, #389ef4); color: #fff; box-shadow: var(--ab-shadow); }
.ab-profile-card::before { content: ""; position: absolute; width: 330px; height: 330px; right: -180px; top: -185px; border: 1px solid rgba(255,255,255,.22); border-radius: 50%; }
.ab-profile-card > span { color: #87d6ff; font-size: 12px; font-weight: 800; letter-spacing: 2px; }
.ab-profile-card h3 { max-width: 430px; margin: 20px 0 46px; color: #fff; font-size: 31px; line-height: 1.45; }
.ab-principle-list { display: grid; gap: 13px; }
.ab-principle { display: grid; grid-template-columns: 50px 1fr; align-items: center; gap: 15px; padding: 17px 18px; border: 1px solid rgba(255,255,255,.16); border-radius: 15px; background: rgba(255,255,255,.08); }
.ab-principle b { display: flex; width: 44px; height: 44px; align-items: center; justify-content: center; border-radius: 12px; background: rgba(255,255,255,.14); color: #fff; font-size: 13px; }
.ab-principle strong { display: block; margin-bottom: 4px; color: #fff; font-size: 15px; }
.ab-principle small { color: rgba(255,255,255,.67); font-size: 12px; }
.ab-stats { display: grid; grid-template-columns: repeat(4, 1fr); margin-top: 52px; overflow: hidden; border: 1px solid var(--ab-line); border-radius: 20px; background: #fff; box-shadow: 0 18px 48px rgba(29,72,139,.07); }
.ab-stat { min-height: 142px; padding: 29px; border-right: 1px solid var(--ab-line); }
.ab-stat:last-child { border-right: 0; }
.ab-stat strong { display: block; margin-bottom: 9px; color: var(--ab-blue); font-size: 32px; line-height: 1; }
.ab-stat strong sup { font-size: 17px; }
.ab-stat span { color: var(--ab-muted); font-size: 13px; line-height: 1.6; }

/* Focus */
.ab-focus-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.ab-focus-card { position: relative; min-height: 338px; overflow: hidden; padding: 34px; border: 1px solid var(--ab-line); border-radius: 22px; background: #fff; box-shadow: 0 18px 55px rgba(29,72,139,.07); transition: transform .25s ease, box-shadow .25s ease; }
.ab-focus-card:hover { transform: translateY(-7px); box-shadow: 0 28px 60px rgba(29,72,139,.14); }
.ab-focus-card::after { content: ""; position: absolute; right: -55px; bottom: -65px; width: 170px; height: 170px; border-radius: 50%; background: #edf5ff; }
.ab-focus-card > b { display: inline-flex; width: 48px; height: 48px; align-items: center; justify-content: center; border-radius: 14px; background: #e8f2ff; color: var(--ab-blue); font-size: 13px; }
.ab-focus-card h3 { position: relative; z-index: 1; margin: 55px 0 14px; color: var(--ab-ink); font-size: 24px; }
.ab-focus-card p { position: relative; z-index: 1; margin: 0; color: var(--ab-muted); font-size: 14px; line-height: 1.85; }
.ab-focus-card ul { position: relative; z-index: 1; display: flex; flex-wrap: wrap; gap: 8px; margin: 22px 0 0; padding: 0; list-style: none; }
.ab-focus-card li { padding: 7px 10px; border-radius: 999px; background: var(--ab-soft); color: #58708f; font-size: 11px; }

/* Values */
.ab-values { position: relative; overflow: hidden; padding: 105px 0; background: linear-gradient(120deg, #0e2d66, #1554bc 58%, #2579e9); color: #fff; }
.ab-values::after { content: ""; position: absolute; width: 600px; height: 600px; right: -390px; top: -330px; border: 1px solid rgba(255,255,255,.15); border-radius: 50%; }
.ab-values-head { position: relative; z-index: 1; display: grid; grid-template-columns: .82fr 1.18fr; gap: 70px; align-items: end; }
.ab-values-head .ab-label { color: #70cbff; }
.ab-values-head h2 { margin: 0; color: #fff; font-size: 39px; line-height: 1.4; }
.ab-values-head p { margin: 0; color: rgba(255,255,255,.7); font-size: 16px; line-height: 1.9; }
.ab-value-grid { position: relative; z-index: 1; display: grid; grid-template-columns: repeat(4, 1fr); gap: 15px; margin-top: 47px; }
.ab-value-card { min-height: 190px; padding: 28px; border: 1px solid rgba(255,255,255,.16); border-radius: 18px; background: rgba(255,255,255,.08); backdrop-filter: blur(6px); }
.ab-value-card b { color: #7cd2ff; font-size: 12px; letter-spacing: 2px; }
.ab-value-card h3 { margin: 42px 0 10px; color: #fff; font-size: 20px; }
.ab-value-card p { margin: 0; color: rgba(255,255,255,.65); font-size: 13px; line-height: 1.7; }

/* Timeline */
.ab-timeline { position: relative; display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.ab-time-card { position: relative; min-height: 245px; padding: 31px; border: 1px solid var(--ab-line); border-radius: 20px; background: #fff; box-shadow: 0 15px 45px rgba(29,72,139,.06); }
.ab-time-card--current { border-color: #9cc6ff; background: linear-gradient(145deg, #f4f9ff, #fff); }
.ab-time-year { display: flex; align-items: center; justify-content: space-between; margin-bottom: 38px; }
.ab-time-year strong { color: var(--ab-blue); font-size: 32px; }
.ab-time-year i { width: 9px; height: 9px; border-radius: 50%; background: var(--ab-blue); box-shadow: 0 0 0 7px #eaf3ff; }
.ab-time-card h3 { margin: 0 0 12px; color: var(--ab-ink); font-size: 19px; }
.ab-time-card p { margin: 0; color: var(--ab-muted); font-size: 13px; line-height: 1.8; }

/* CTA */
.ab-cta { padding: 0 0 108px; background: var(--ab-soft); }
.ab-cta-panel { display: grid; grid-template-columns: 1fr auto; align-items: center; gap: 40px; padding: 53px 58px; border-radius: 26px; background: linear-gradient(115deg, #155cd3, #2b7cf3 64%, #3da5f8); color: #fff; box-shadow: 0 28px 70px rgba(28,87,180,.22); }
.ab-cta h2 { margin: 0 0 12px; color: #fff; font-size: 33px; }
.ab-cta p { margin: 0; color: rgba(255,255,255,.72); font-size: 15px; }
.ab-cta .ab-actions { margin: 0; flex-wrap: nowrap; }

.ab-footer { padding: 27px 0; background: #102b5c; color: rgba(255,255,255,.62); }
.ab-footer .ab-container { display: flex; align-items: center; justify-content: space-between; }
.ab-footer nav { display: flex; gap: 25px; }
.ab-footer a { color: rgba(255,255,255,.72); }
.ab-footer a:hover { color: #fff; }

@media (max-width: 1180px) {
    .wx-about-page #nav { padding: 0 24px; }
    .wx-about-page #nav .pull-right .item { margin-left: 14px; font-size: 13px; }
    .wx-about-page #nav .pull-right .demoCenter { min-width: 82px; padding: 0 11px; }
    .wx-about-page #nav .pull-right .demoCenter.download { margin-left: 16px !important; }
    .ab-hero-grid { gap: 48px; }
}

@media (max-width: 1020px) {
    .ab-nav-toggle { display: flex; width: 42px; height: 42px; align-items: center; justify-content: center; border: 1px solid rgba(255,255,255,.42); border-radius: 10px; background: transparent; color: #fff; font-size: 0; }
    .ab-nav-toggle::before { content: "☰"; font-size: 22px; }
    .wx-nav--scrolled .ab-nav-toggle { border-color: #d4e3fb; color: var(--ab-blue); }
    .wx-about-page #nav .pull-right { position: fixed; top: 84px; right: 16px; left: 16px; display: none; height: auto; max-height: calc(100vh - 105px); padding: 10px 18px 20px; overflow-y: auto; border: 1px solid var(--ab-line); border-radius: 16px; background: #fff; box-shadow: var(--ab-shadow); }
    .wx-about-page #nav.ab-nav-open .pull-right { display: block; }
    .wx-about-page #nav .pull-right .item { display: block !important; margin: 0; color: #344057 !important; line-height: 48px; }
    .wx-about-page #nav .pull-right > a.item::after { display: none; }
    .wx-about-page #nav .pull-right .demoCenter { display: inline-flex; margin: 10px 8px 0 0 !important; }
    .wx-about-page #nav .pull-right .demoCenter.download a { color: var(--ab-blue) !important; }
    .ab-hero-grid { grid-template-columns: 1fr; gap: 48px; padding-top: 64px; }
    .ab-hero-copy { text-align: center; }
    .ab-hero-copy > p { margin-right: auto; margin-left: auto; }
    .ab-actions, .ab-hero-tags { justify-content: center; }
    .ab-network { max-width: 650px; width: 100%; margin: 0 auto; }
    .ab-profile-grid { grid-template-columns: 1fr; }
    .ab-stats { grid-template-columns: repeat(2, 1fr); }
    .ab-stat:nth-child(2) { border-right: 0; }
    .ab-stat:nth-child(-n+2) { border-bottom: 1px solid var(--ab-line); }
    .ab-focus-grid { grid-template-columns: 1fr; }
    .ab-focus-card { min-height: 260px; }
    .ab-focus-card h3 { margin-top: 34px; }
    .ab-values-head { grid-template-columns: 1fr; gap: 24px; }
    .ab-value-grid { grid-template-columns: repeat(2, 1fr); }
    .ab-timeline { grid-template-columns: repeat(2, 1fr); }
    .ab-cta-panel { grid-template-columns: 1fr; text-align: center; }
    .ab-cta .ab-actions { justify-content: center; }
}

@media (max-width: 720px) {
    .ab-container { width: min(100% - 28px, 600px); }
    .wx-about-page #nav { height: 68px; padding: 0 14px; line-height: 68px; }
    .wx-about-page #nav .pull-left, .wx-about-page #nav .pull-left img { height: 44px; }
    .wx-about-page #nav .pull-right { top: 64px; }
    .ab-hero, .ab-hero-grid { min-height: auto; }
    .ab-hero-grid { padding: 55px 0 82px; }
    .ab-eyebrow { font-size: 10px; letter-spacing: 1.35px; }
    .ab-hero-copy h1 { font-size: 38px; letter-spacing: -1px; }
    .ab-hero-copy > p { font-size: 14px; }
    .ab-actions { gap: 10px; }
    .ab-btn { min-width: 132px; height: 46px; padding: 0 16px; font-size: 13px; }
    .ab-hero-tags { gap: 10px 15px; font-size: 11px; }
    .ab-network { min-height: 390px; padding: 16px; border-radius: 20px; }
    .ab-network-canvas { height: 295px; }
    .ab-orbit { width: 250px; height: 200px; }
    .ab-core { width: 108px; height: 108px; border-width: 10px; }
    .ab-node { min-width: 70px; height: 34px; padding: 0 9px; font-size: 10px; }
    .ab-node--one { left: 15px; }
    .ab-node--two { right: 14px; }
    .ab-node--three { right: 8px; }
    .ab-node--four { right: 24px; }
    .ab-node--five { left: 23px; }
    .ab-node--six { left: 7px; }
    .ab-section { padding: 74px 0; }
    .ab-section-head { margin-bottom: 35px; }
    .ab-section-head h2 { font-size: 29px; }
    .ab-section-head p { font-size: 14px; }
    .ab-profile-copy { padding: 0; }
    .ab-profile-copy h2 { font-size: 30px; }
    .ab-profile-copy p { font-size: 14px; }
    .ab-profile-card { min-height: 0; padding: 30px 24px; }
    .ab-profile-card h3 { margin-bottom: 30px; font-size: 25px; }
    .ab-principle { grid-template-columns: 44px 1fr; padding: 14px; }
    .ab-stats { margin-top: 34px; }
    .ab-stat { min-height: 125px; padding: 22px 17px; }
    .ab-stat strong { font-size: 26px; }
    .ab-focus-card { min-height: 0; padding: 28px 24px; }
    .ab-focus-card h3 { font-size: 22px; }
    .ab-values { padding: 74px 0; }
    .ab-values-head h2 { font-size: 29px; }
    .ab-values-head p { font-size: 14px; }
    .ab-value-grid { grid-template-columns: 1fr; }
    .ab-value-card { min-height: 160px; }
    .ab-value-card h3 { margin-top: 28px; }
    .ab-timeline { grid-template-columns: 1fr; }
    .ab-time-card { min-height: 210px; padding: 26px; }
    .ab-cta { padding-bottom: 74px; }
    .ab-cta-panel { padding: 38px 24px; }
    .ab-cta h2 { font-size: 27px; line-height: 1.45; }
    .ab-cta .ab-actions { flex-wrap: wrap; }
    .ab-footer .ab-container { flex-direction: column; gap: 15px; text-align: center; }
    .ab-footer nav { gap: 18px; }
}

@media (prefers-reduced-motion: reduce) {
    html { scroll-behavior: auto; }
    *, *::before, *::after { animation: none !important; transition: none !important; }
}
