/* ASTERMAP 星图美家 — 品牌官网 UI */
:root {
    --am-orange: #e16a0e;
    --am-orange-light: #f59e0b;
    --am-orange-dark: #c45a0c;
    --am-orange-deep: #a84a0a;
    --am-orange-soft: rgba(225, 106, 14, 0.08);
    --am-orange-glow: rgba(225, 106, 14, 0.22);
    --am-black: #161823;
    --am-gray: #646a73;
    --am-gray-light: #f7f8fa;
    --am-border: #e8e8ea;
    --am-max: 1180px;
    --am-header-h: 72px;
    --am-radius: 12px;
    --am-radius-sm: 8px;
    --am-shadow: 0 4px 24px rgba(22, 24, 35, 0.06);
    --am-shadow-lg: 0 16px 48px rgba(22, 24, 35, 0.08);
}

*, *::before, *::after { box-sizing: border-box; }

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body.am-site {
    margin: 0;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
    color: var(--am-black);
    background: #fff;
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
}

a { color: inherit; text-decoration: none; }
a:hover { color: var(--am-orange); }

.am-wrap {
    max-width: var(--am-max);
    margin: 0 auto;
    padding: 0 clamp(20px, 4vw, 48px);
}

/* ── Header ── */
.am-header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: var(--am-header-h);
    background: rgba(255, 255, 255, 0.96);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--am-border);
    z-index: 200;
    transition: background .35s ease, border-color .35s ease, box-shadow .35s ease, backdrop-filter .35s ease;
}

.am-header .am-wrap {
    position: relative;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 20px;
}

.am-header-bar {
    position: relative;
}

.am-nav-layer {
    display: flex;
    flex: 1;
    justify-content: flex-end;
    align-items: center;
    min-width: 0;
}

.am-nav-backdrop {
    display: none;
}

.am-header.is-scrolled {
    box-shadow: var(--am-shadow);
}

.am-logo {
    flex-shrink: 0;
    display: flex;
    align-items: center;
}

.am-logo img {
    height: 32px;
    width: auto;
    max-width: min(220px, 48vw);
    display: block;
    transition: opacity .2s;
}

.am-logo-img--white {
    display: none;
}

.am-logo:hover img {
    opacity: 0.85;
}

.am-nav-wrap {
    display: flex;
    align-items: center;
}

.am-nav {
    display: flex;
    align-items: center;
    gap: clamp(12px, 2vw, 28px);
    list-style: none;
    margin: 0;
    padding: 0;
    font-size: 14px;
    font-weight: 500;
}

.am-nav a {
    color: var(--am-gray);
    transition: color .2s;
    white-space: nowrap;
}

.am-nav a:hover { color: var(--am-black); }

.am-nav a.is-active {
    color: var(--am-orange);
    font-weight: 600;
}

.am-nav-cta {
    padding: 9px 20px;
    background: var(--am-orange);
    border: 1px solid var(--am-orange);
    border-radius: 999px;
    font-size: 14px;
    font-weight: 600;
    color: #fff !important;
    transition: background .2s, border-color .2s, transform .2s;
}

.am-nav-cta:hover {
    background: var(--am-orange-dark);
    border-color: var(--am-orange-dark);
    color: #fff !important;
    transform: translateY(-1px);
}

.am-nav-toggle {
    display: none;
    flex-direction: column;
    justify-content: center;
    gap: 5px;
    width: 44px;
    height: 44px;
    padding: 0;
    border: 1px solid var(--am-border);
    border-radius: var(--am-radius-sm);
    background: #fff;
    cursor: pointer;
    flex-shrink: 0;
}

.am-nav-toggle span {
    display: block;
    width: 18px;
    height: 2px;
    margin: 0 auto;
    background: var(--am-black);
    transition: transform .25s, opacity .25s;
}

.am-nav-toggle.is-open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.am-nav-toggle.is-open span:nth-child(2) { opacity: 0; }
.am-nav-toggle.is-open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ── 首页 Hero 透明顶栏 ── */
.am-page-home .am-hero {
    margin-top: 0;
    min-height: 100vh;
    min-height: 100dvh;
    padding-top: calc(var(--am-header-h) + clamp(48px, 8vw, 88px));
}

.am-page-home .am-header.is-hero-mode {
    background: transparent;
    backdrop-filter: none;
    -webkit-backdrop-filter: none;
    border-bottom-color: transparent;
    box-shadow: none;
}

.am-page-home .am-header.is-hero-mode .am-logo-img--orange {
    display: none;
}

.am-page-home .am-header.is-hero-mode .am-logo-img--white {
    display: block;
}

.am-page-home .am-header.is-hero-mode .am-nav a {
    color: rgba(255, 255, 255, 0.88);
}

.am-page-home .am-header.is-hero-mode .am-nav a:hover,
.am-page-home .am-header.is-hero-mode .am-nav a.is-active {
    color: #fff;
}

.am-page-home .am-header.is-hero-mode .am-nav-cta {
    background: rgba(255, 255, 255, 0.12);
    border-color: rgba(255, 255, 255, 0.55);
    color: #fff !important;
}

.am-page-home .am-header.is-hero-mode .am-nav-cta:hover {
    background: rgba(255, 255, 255, 0.22);
    border-color: #fff;
    color: #fff !important;
    transform: none;
}

.am-page-home .am-header.is-hero-mode .am-nav-toggle {
    border-color: rgba(255, 255, 255, 0.45);
    background: rgba(255, 255, 255, 0.1);
}

.am-page-home .am-header.is-hero-mode .am-nav-toggle span {
    background: #fff;
}

/* ── Hero 首页 ── */
.am-hero {
    min-height: calc(100vh - var(--am-header-h));
    min-height: calc(100dvh - var(--am-header-h));
    margin-top: var(--am-header-h);
    padding: clamp(48px, 8vw, 88px) 0 clamp(56px, 8vw, 80px);
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.am-hero--brand {
    background-color: var(--am-orange);
    background-image: url('images/hero/hero-bg-texture.png');
    background-size: cover;
    background-position: center;
    color: #fff;
}

.am-hero-scene {
    position: absolute;
    inset: 0;
    overflow: hidden;
    pointer-events: none;
    z-index: 0;
}

.am-hero-starmap {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    display: block;
    pointer-events: none;
    opacity: 0.92;
}

.am-page-home .am-hero--brand {
    pointer-events: auto;
}

.am-hero-inner {
    position: relative;
    z-index: 2;
    width: 100%;
}

.am-hero-brand,
.am-hero-brand-en {
    display: none;
}

.am-hero-slides {
    position: relative;
    width: 100%;
    max-width: 760px;
    min-height: 130px;
    margin: 0 auto;
    padding: 0 8px;
}

.am-hero-slide {
    position: absolute;
    inset: 0;
    display: flex;
    flex-direction: column;
    justify-content: center;
    opacity: 0;
    transform: translateY(12px);
    transition: opacity .55s ease, transform .55s ease;
    pointer-events: none;
}

.am-hero-slide.is-active {
    opacity: 1;
    transform: translateY(0);
    pointer-events: auto;
}

.am-hero-slide h2 {
    font-size: clamp(20px, 3.2vw, 34px);
    font-weight: 600;
    line-height: 1.4;
    margin: 0 0 14px;
    color: #fff;
    letter-spacing: -0.01em;
    text-shadow: 0 2px 24px rgba(22, 24, 35, 0.18);
}

.am-hero-slide p {
    font-size: clamp(14px, 1.8vw, 17px);
    color: rgba(255, 255, 255, 0.86);
    line-height: 1.75;
    margin: 0 auto;
    max-width: 580px;
    text-shadow: 0 1px 16px rgba(22, 24, 35, 0.14);
}

@media (prefers-reduced-motion: reduce) {
    .am-hero-starmap {
        opacity: 0.85;
    }
}

.am-hero-dots {
    display: flex;
    gap: 8px;
    justify-content: center;
    margin-top: 40px;
}

.am-hero-dot {
    width: 6px;
    height: 6px;
    border-radius: 50%;
    border: none;
    padding: 0;
    background: rgba(255, 255, 255, 0.4);
    cursor: pointer;
    transition: background .25s, transform .25s;
}

.am-hero-dot.is-active {
    background: #fff;
    transform: scale(1.35);
}

/* ── Section common ── */
.am-section {
    padding: clamp(72px, 10vw, 120px) 0;
}

.am-section-label {
    font-size: 14px;
    font-weight: 600;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--am-orange);
    margin: 0 0 16px;
}

.am-section-title {
    font-size: clamp(28px, 3.6vw, 42px);
    font-weight: 700;
    letter-spacing: -0.02em;
    line-height: 1.22;
    margin: 0 0 16px;
}

.am-section-desc {
    font-size: 16px;
    color: var(--am-gray);
    max-width: 600px;
    line-height: 1.75;
    margin: 0;
}

.am-section-head {
    margin-bottom: clamp(40px, 6vw, 56px);
}

.am-section-head.is-center {
    text-align: center;
}

.am-section-head.is-center .am-section-desc {
    margin-left: auto;
    margin-right: auto;
}

.am-section-gray {
    background: var(--am-gray-light);
}

/* ── Mission block ── */
.am-mission {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    align-items: center;
}

.am-mission-tag {
    font-size: 13px;
    color: var(--am-gray);
    letter-spacing: 0.08em;
    margin-bottom: 12px;
}

.am-mission-text {
    font-size: clamp(26px, 3.2vw, 36px);
    font-weight: 600;
    line-height: 1.35;
    margin: 0;
}

.am-mission-text span {
    color: var(--am-orange);
}

.am-mission-sub {
    font-size: 20px;
    color: var(--am-gray);
    margin: 16px 0 0;
    line-height: 1.5;
}

.am-vision-line {
    font-size: 16px;
    color: var(--am-black);
    margin: 0;
    line-height: 1.7;
}

.am-vision-line strong {
    color: var(--am-orange);
}

/* ── About: vision / mission section backgrounds ── */
.am-section-has-bg {
    position: relative;
    overflow: hidden;
}

.am-section-has-bg > .am-wrap {
    position: relative;
    z-index: 1;
}

.am-section-has-bg::before {
    content: '';
    position: absolute;
    inset: 0;
    background-repeat: no-repeat;
    background-position: center;
    background-size: cover;
    pointer-events: none;
}

#vision.am-section-has-bg {
    background-color: #f7f8fa;
}

#vision.am-section-has-bg::before {
    z-index: 0;
    background-image: url('images/about/vision-bg.jpg?v=4');
    background-size: cover;
    background-position: center;
    opacity: 0.55;
}

#mission.am-section-has-bg::before {
    background-image: url('images/about/mission-bg.jpg');
    opacity: 0.12;
}

#mission.am-section-has-bg--warm::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(90deg, rgba(255, 250, 245, 0.55) 0%, rgba(247, 248, 250, 0.35) 100%);
    pointer-events: none;
}

#mission.am-section-has-bg > .am-wrap {
    z-index: 2;
}

/* ── Insight ── */
.am-insight-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 32px;
}

.am-insight-card {
    text-align: center;
    padding: 40px 28px;
}

.am-insight-card h3 {
    font-size: 22px;
    font-weight: 600;
    margin: 0 0 16px;
    color: var(--am-orange);
}

.am-insight-card p {
    font-size: 15px;
    color: var(--am-gray);
    line-height: 1.75;
    margin: 0;
}

/* ── Business model ── */
.am-model-layout {
    max-width: 880px;
}

.am-model-hub {
    text-align: center;
    background: var(--am-black);
    color: #fff;
    border-radius: var(--am-radius);
    padding: 32px 28px;
    margin-bottom: 28px;
}

.am-model-hub-label {
    display: block;
    font-size: 13px;
    opacity: .85;
    letter-spacing: 0.1em;
    margin-bottom: 8px;
}

.am-model-hub strong {
    font-size: 28px;
    font-weight: 700;
    letter-spacing: 0.06em;
}

.am-model-nodes {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
    margin-bottom: 28px;
}

.am-model-node {
    border: 1px solid var(--am-border);
    border-radius: 8px;
    padding: 28px 22px;
    background: #fff;
}

.am-model-node h4 {
    font-size: 17px;
    font-weight: 600;
    margin: 0 0 10px;
    color: var(--am-black);
}

.am-model-node p {
    font-size: 14px;
    color: var(--am-gray);
    line-height: 1.65;
    margin: 0;
}

.am-model-note {
    font-size: 15px;
    color: var(--am-gray);
    text-align: center;
    margin: 0;
}

/* ── Module / centers showcase ── */
.am-module-showcase,
.am-centers-showcase {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.am-module-showcase-grid,
.am-centers-showcase-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 20px;
}

.am-module-showcase-grid--quad,
.am-centers-showcase-grid--quad {
    grid-template-columns: repeat(4, minmax(0, 1fr));
}

.am-module-showcase-grid .am-module-card--span {
    grid-column: 1 / -1;
}

.am-module-card,
.am-center-card {
    position: relative;
    background: #fff;
    border: 1px solid var(--am-border);
    border-radius: var(--am-radius);
    padding: clamp(22px, 2.5vw, 32px);
    transition: border-color .25s, box-shadow .25s, transform .25s;
    overflow: hidden;
}

.am-module-card::before,
.am-center-card::before {
    content: '';
    position: absolute;
    left: 0;
    top: 18px;
    bottom: 18px;
    width: 3px;
    border-radius: 0 3px 3px 0;
    background: linear-gradient(180deg, var(--am-orange-light), var(--am-orange));
    opacity: 0;
    transition: opacity .25s;
}

.am-module-card:hover,
.am-center-card:hover {
    border-color: rgba(225, 106, 14, 0.28);
    box-shadow: var(--am-shadow);
}

.am-module-card:hover::before,
.am-center-card:hover::before {
    opacity: 1;
}

.am-module-card--lead,
.am-center-card--lead {
    border-color: rgba(225, 106, 14, 0.22);
    background: linear-gradient(135deg, #fffaf5 0%, #fff 52%, #fff 100%);
    box-shadow: 0 8px 32px rgba(225, 106, 14, 0.06);
}

.am-module-card--lead::before,
.am-center-card--lead::before {
    opacity: 1;
}

.am-module-card--lead:hover,
.am-center-card--lead:hover {
    box-shadow: 0 12px 40px rgba(225, 106, 14, 0.1);
}

.am-module-card-head,
.am-center-card-head {
    display: flex;
    align-items: flex-start;
    gap: 16px;
    margin-bottom: 16px;
}

.am-module-index,
.am-center-index {
    flex-shrink: 0;
    font-size: clamp(26px, 3vw, 34px);
    font-weight: 700;
    line-height: 1;
    letter-spacing: -0.02em;
    color: var(--am-orange);
    font-variant-numeric: tabular-nums;
    opacity: 0.92;
}

.am-module-card-titles,
.am-center-card-titles {
    min-width: 0;
    flex: 1;
}

.am-module-card-titles h3,
.am-center-card-titles h3 {
    font-size: clamp(17px, 2vw, 20px);
    font-weight: 600;
    line-height: 1.35;
    margin: 0 0 6px;
    color: var(--am-black);
}

.am-module-kicker,
.am-center-kicker {
    margin: 0;
    font-size: 13px;
    font-weight: 500;
    line-height: 1.5;
    color: var(--am-orange);
}

.am-module-desc,
.am-center-desc {
    margin: 0;
    font-size: 14px;
    line-height: 1.75;
    color: var(--am-gray);
}

.am-module-card-body--split,
.am-center-card-body--split {
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(0, 1.15fr);
    gap: clamp(20px, 3vw, 40px);
    align-items: start;
}

.am-module-features,
.am-center-features {
    list-style: none;
    margin: 0;
    padding: 0;
}

.am-module-features li,
.am-center-features li {
    position: relative;
    padding: 7px 0 7px 20px;
    font-size: 14px;
    color: var(--am-black);
    line-height: 1.6;
    border-bottom: 1px solid rgba(232, 232, 234, 0.7);
}

.am-module-features li:last-child,
.am-center-features li:last-child {
    border-bottom: none;
    padding-bottom: 0;
}

.am-module-features li::before,
.am-center-features li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 14px;
    width: 7px;
    height: 7px;
    border-radius: 50%;
    background: var(--am-orange);
    box-shadow: 0 0 0 3px var(--am-orange-soft);
}

.am-module-features--cols,
.am-center-features--cols {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    column-gap: 20px;
}

.am-module-features--cols li,
.am-center-features--cols li {
    break-inside: avoid;
}

.am-module-card:not(.am-module-card--lead) .am-module-desc,
.am-center-card:not(.am-center-card--lead) .am-center-desc {
    margin-bottom: 14px;
}

.am-module-card:not(.am-module-card--lead) .am-module-features,
.am-center-card:not(.am-center-card--lead) .am-center-features {
    padding-top: 14px;
    border-top: 1px dashed var(--am-border);
}

.am-center-card--compact .am-center-card-head {
    margin-bottom: 12px;
}

.am-center-card--compact .am-center-index {
    font-size: 22px;
}

.am-center-card--compact .am-center-card-titles h3 {
    font-size: 16px;
}

.am-module-tags,
.am-center-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.am-module-tag,
.am-center-tag {
    display: inline-block;
    padding: 5px 10px;
    font-size: 12px;
    line-height: 1.4;
    color: var(--am-black);
    background: var(--am-gray-light);
    border: 1px solid var(--am-border);
    border-radius: 999px;
    transition: background .2s, border-color .2s, color .2s;
}

.am-module-card:hover .am-module-tag,
.am-center-card:hover .am-center-tag {
    background: var(--am-orange-soft);
    border-color: rgba(225, 106, 14, 0.18);
}

.am-centers-showcase--compact .am-center-card--lead {
    padding: clamp(24px, 3vw, 36px) clamp(22px, 2.5vw, 32px);
}

.am-centers-showcase--compact .am-center-card--lead .am-center-desc {
    max-width: 920px;
    font-size: 15px;
}

.am-section-gray .am-module-card {
    background: #fff;
}

/* ── Ecosystem module ── */
.am-module-showcase--eco {
    gap: 28px;
}

.am-eco-hub {
    text-align: center;
    padding: 28px 24px;
    border-radius: var(--am-radius);
    background: linear-gradient(135deg, var(--am-black) 0%, #2a2d3a 100%);
    color: #fff;
    box-shadow: var(--am-shadow-lg);
}

.am-eco-hub-label {
    display: block;
    font-size: 12px;
    font-weight: 600;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--am-orange-light);
    margin-bottom: 8px;
}

.am-eco-hub strong {
    font-size: clamp(20px, 2.5vw, 26px);
    font-weight: 700;
    letter-spacing: 0.02em;
}

.am-module-showcase-grid--eco {
    grid-template-columns: repeat(2, minmax(0, 1fr));
}

.am-module-card--eco {
    background: linear-gradient(180deg, #fff 0%, #fafbfc 100%);
}

.am-module-card--eco::before {
    opacity: 0.35;
}

.am-module-card--eco:hover::before {
    opacity: 1;
}

.am-eco-loop {
    position: relative;
    overflow: hidden;
    padding: clamp(32px, 4vw, 48px);
    border-radius: calc(var(--am-radius) + 4px);
    background:
        radial-gradient(circle at 100% 0%, rgba(245, 158, 11, 0.12) 0%, transparent 42%),
        radial-gradient(circle at 0% 100%, rgba(225, 106, 14, 0.1) 0%, transparent 40%),
        linear-gradient(180deg, #fffaf5 0%, #fff 55%, #fff 100%);
    border: 1px solid rgba(225, 106, 14, 0.16);
    box-shadow: 0 16px 48px rgba(225, 106, 14, 0.08);
}

.am-eco-loop-head {
    text-align: center;
    max-width: 720px;
    margin: 0 auto 32px;
}

.am-eco-loop-badge {
    display: inline-block;
    margin-bottom: 12px;
    padding: 5px 12px;
    font-size: 11px;
    font-weight: 600;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--am-orange);
    background: rgba(255, 255, 255, 0.88);
    border: 1px solid rgba(225, 106, 14, 0.18);
    border-radius: 999px;
}

.am-eco-loop-title {
    margin: 0 0 10px;
    font-size: clamp(22px, 3vw, 28px);
    font-weight: 700;
    letter-spacing: -0.02em;
    color: var(--am-black);
}

.am-eco-loop-sub {
    margin: 0;
    font-size: 15px;
    line-height: 1.75;
    color: var(--am-gray);
}

.am-eco-loop-flow {
    display: grid;
    grid-template-columns: minmax(0, 1fr) 28px minmax(0, 1fr) 28px minmax(0, 1fr) 28px minmax(0, 1fr);
    gap: 0;
    align-items: stretch;
}

.am-eco-loop-node {
    position: relative;
    text-align: center;
    padding: 24px 16px 20px;
    background: rgba(255, 255, 255, 0.92);
    border: 1px solid var(--am-border);
    border-radius: var(--am-radius);
    transition: border-color .25s, box-shadow .25s, transform .25s;
}

.am-eco-loop-node:hover {
    border-color: rgba(225, 106, 14, 0.28);
    box-shadow: var(--am-shadow);
    transform: translateY(-2px);
}

.am-eco-loop-node-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 44px;
    height: 44px;
    margin: 0 auto 14px;
    border-radius: 12px;
    background: var(--am-orange-soft);
    color: var(--am-orange);
}

.am-eco-loop-node-icon svg {
    width: 22px;
    height: 22px;
    display: block;
}

.am-eco-loop-node-num {
    position: absolute;
    top: 12px;
    right: 12px;
    font-size: 11px;
    font-weight: 700;
    letter-spacing: 0.04em;
    color: var(--am-orange);
    opacity: 0.75;
}

.am-eco-loop-node h5 {
    margin: 0 0 8px;
    font-size: 15px;
    font-weight: 600;
    line-height: 1.35;
    color: var(--am-black);
}

.am-eco-loop-node p {
    margin: 0;
    font-size: 13px;
    line-height: 1.65;
    color: var(--am-gray);
}

.am-eco-loop-connector {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 100%;
}

.am-eco-loop-connector span {
    display: block;
    width: 100%;
    height: 2px;
    background: linear-gradient(90deg, rgba(225, 106, 14, 0.25), var(--am-orange));
    position: relative;
}

.am-eco-loop-connector span::after {
    content: '';
    position: absolute;
    right: -1px;
    top: 50%;
    width: 7px;
    height: 7px;
    border-top: 2px solid var(--am-orange);
    border-right: 2px solid var(--am-orange);
    transform: translateY(-50%) rotate(45deg);
}

.am-eco-loop-cycle {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    width: fit-content;
    margin: 28px auto 0;
    padding: 10px 18px;
    border-radius: 999px;
    background: linear-gradient(135deg, var(--am-orange) 0%, var(--am-orange-dark) 100%);
    color: #fff;
    font-size: 13px;
    font-weight: 600;
    box-shadow: 0 8px 24px rgba(225, 106, 14, 0.28);
}

.am-eco-loop-cycle-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 22px;
    height: 22px;
}

.am-eco-loop-cycle-icon svg {
    width: 18px;
    height: 18px;
    display: block;
}

.am-eco-loop-wins {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 12px;
    margin-top: 28px;
    padding-top: 28px;
    border-top: 1px dashed rgba(225, 106, 14, 0.22);
}

.am-eco-loop-win {
    text-align: center;
    padding: 16px 12px;
    background: rgba(255, 255, 255, 0.86);
    border: 1px solid var(--am-border);
    border-radius: var(--am-radius-sm);
    transition: border-color .2s, background .2s;
}

.am-eco-loop-win:hover {
    border-color: rgba(225, 106, 14, 0.25);
    background: #fff;
}

.am-eco-loop-win strong {
    display: block;
    margin-bottom: 4px;
    font-size: 15px;
    font-weight: 600;
    color: var(--am-black);
}

.am-eco-loop-win span {
    font-size: 12px;
    color: var(--am-orange);
    font-weight: 500;
}

.am-eco-loop-desc {
    margin: 24px auto 0;
    max-width: 820px;
    font-size: 15px;
    line-height: 1.85;
    color: var(--am-gray);
    text-align: center;
}

/* legacy grid alias */
.am-centers-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.am-centers-grid .am-card:first-child {
    grid-column: 1 / -1;
}

.am-card-feature {
    border-color: var(--am-orange);
    background: linear-gradient(180deg, #fff8f0 0%, #fff 100%);
}

.am-grid-2x2 {
    grid-template-columns: repeat(2, 1fr);
}

/* ── Ecosystem ── */
.am-eco-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 32px;
    text-align: center;
}

.am-eco-item h3 {
    font-size: 24px;
    font-weight: 600;
    margin: 0 0 12px;
    color: var(--am-black);
}

.am-eco-item p {
    font-size: 15px;
    color: var(--am-gray);
    margin: 0;
    line-height: 1.6;
}

/* ── Dark section ── */
.am-section-dark {
    background: var(--am-black);
}

.am-text-white {
    color: #fff !important;
}

.am-section-dark .am-section-label {
    color: var(--am-orange-light);
}

.am-section-dark .am-stat-label {
    color: rgba(255,255,255,.65);
}

/* ── Partner ── */
.am-partner-panel {
    padding: clamp(24px, 3vw, 32px);
    border-radius: calc(var(--am-radius) + 4px);
    background: #fff;
    border: 1px solid var(--am-border);
    box-shadow: var(--am-shadow-lg);
}

.am-section-gray .am-partner-panel {
    background: #fff;
}

.am-partner-panel--network {
    background:
        radial-gradient(circle at 100% 0%, rgba(245, 158, 11, 0.08) 0%, transparent 42%),
        radial-gradient(circle at 0% 100%, rgba(225, 106, 14, 0.06) 0%, transparent 40%),
        linear-gradient(180deg, #fffaf5 0%, #fff 55%, #fff 100%);
    border-color: rgba(225, 106, 14, 0.12);
}

.am-page-partner .am-platform-nav-list {
    grid-template-columns: repeat(4, minmax(0, 1fr));
}

.am-partner-coverage {
    text-align: center;
    margin-bottom: 24px;
    padding: 24px 20px;
    border-radius: var(--am-radius);
    background: var(--am-black);
    color: #fff;
}

.am-partner-coverage-label {
    display: block;
    margin-bottom: 16px;
    font-size: 12px;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    opacity: 0.82;
}

.am-partner-coverage-steps {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: center;
    gap: 8px 4px;
    list-style: none;
    margin: 0;
    padding: 0;
}

.am-partner-coverage-steps li {
    position: relative;
    padding: 8px 16px;
    font-size: 15px;
    font-weight: 600;
    letter-spacing: 0.04em;
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.16);
    border-radius: 999px;
}

.am-partner-coverage-steps li:not(:last-child)::after {
    content: '→';
    position: absolute;
    right: -14px;
    top: 50%;
    transform: translateY(-50%);
    font-size: 12px;
    font-weight: 400;
    color: rgba(255, 255, 255, 0.5);
    pointer-events: none;
}

.am-partner-phase-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 20px;
}

.am-partner-phase-card {
    position: relative;
    display: flex;
    flex-direction: column;
    gap: 14px;
    min-height: 100%;
    padding: clamp(22px, 3vw, 28px);
    background: rgba(255, 255, 255, 0.94);
    border: 1px solid var(--am-border);
    border-radius: var(--am-radius);
    transition: border-color .25s, box-shadow .25s, transform .25s;
}

.am-partner-phase-card:hover {
    border-color: rgba(225, 106, 14, 0.24);
    box-shadow: var(--am-shadow);
    transform: translateY(-2px);
}

.am-partner-phase-card--active {
    border-color: rgba(225, 106, 14, 0.28);
    background: linear-gradient(135deg, #fffaf5 0%, #fff 58%, rgba(255, 255, 255, 0.94) 100%);
    box-shadow: var(--am-shadow);
}

.am-partner-phase-head {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
}

.am-partner-phase-num {
    font-size: 12px;
    font-weight: 700;
    letter-spacing: 0.06em;
    color: var(--am-orange);
    opacity: 0.75;
}

.am-partner-phase-stage {
    font-size: 14px;
    font-weight: 600;
    color: var(--am-orange);
}

.am-partner-phase-metrics {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.am-partner-metric {
    display: inline-block;
    padding: 4px 10px;
    font-size: 12px;
    font-weight: 600;
    color: var(--am-black);
    background: var(--am-gray-light);
    border-radius: 999px;
}

.am-partner-phase-card p {
    margin: 0;
    font-size: 14px;
    line-height: 1.75;
    color: var(--am-gray);
}

.am-partner-role-grid {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 20px;
}

.am-partner-role-card {
    position: relative;
    padding: clamp(22px, 3vw, 26px);
    background: var(--am-gray-light);
    border: 1px solid var(--am-border);
    border-radius: var(--am-radius);
    transition: border-color .25s, box-shadow .25s, transform .25s;
}

.am-partner-role-card:hover {
    border-color: rgba(225, 106, 14, 0.24);
    box-shadow: var(--am-shadow);
    transform: translateY(-2px);
}

.am-partner-role-head {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 14px;
}

.am-partner-role-num {
    font-size: 12px;
    font-weight: 700;
    letter-spacing: 0.06em;
    color: var(--am-orange);
    opacity: 0.75;
}

.am-partner-role-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    border-radius: 10px;
    background: var(--am-orange-soft);
    color: var(--am-orange);
}

.am-partner-role-icon svg {
    width: 20px;
    height: 20px;
    display: block;
}

.am-partner-role-card h3 {
    margin: 0 0 10px;
    font-size: 17px;
    font-weight: 600;
    color: var(--am-black);
}

.am-partner-role-card p {
    margin: 0;
    font-size: 14px;
    line-height: 1.7;
    color: var(--am-gray);
}

.am-partner-support-grid {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 16px;
}

.am-partner-support-card {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 10px;
    padding: clamp(22px, 3vw, 28px) 16px;
    text-align: center;
    background: var(--am-gray-light);
    border: 1px solid var(--am-border);
    border-radius: var(--am-radius);
    transition: border-color .25s, box-shadow .25s, transform .25s;
}

.am-partner-support-card:hover {
    border-color: rgba(225, 106, 14, 0.24);
    box-shadow: var(--am-shadow);
    transform: translateY(-2px);
}

.am-partner-support-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 44px;
    height: 44px;
    border-radius: 12px;
    background: var(--am-orange-soft);
    color: var(--am-orange);
}

.am-partner-support-icon svg {
    width: 22px;
    height: 22px;
    display: block;
}

.am-partner-support-card strong {
    font-size: 17px;
    font-weight: 600;
    color: var(--am-black);
}

.am-partner-support-card span:last-child {
    font-size: 13px;
    line-height: 1.5;
    color: var(--am-gray);
}

.am-partner-duties-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 20px;
}

.am-partner-duty-card {
    position: relative;
    padding: clamp(24px, 3vw, 32px);
    background: var(--am-gray-light);
    border: 1px solid var(--am-border);
    border-radius: var(--am-radius);
    transition: border-color .25s, box-shadow .25s, transform .25s;
    overflow: hidden;
}

.am-partner-duty-card::before {
    content: '';
    position: absolute;
    left: 0;
    top: 16px;
    bottom: 16px;
    width: 3px;
    border-radius: 0 3px 3px 0;
    background: linear-gradient(180deg, var(--am-orange-light), var(--am-orange));
    opacity: 0;
    transition: opacity .25s;
}

.am-partner-duty-card:hover {
    border-color: rgba(225, 106, 14, 0.24);
    box-shadow: var(--am-shadow);
    transform: translateY(-2px);
}

.am-partner-duty-card:hover::before {
    opacity: 1;
}

.am-partner-duty-card--gain {
    background: linear-gradient(135deg, #fffaf5 0%, #fff 58%, var(--am-gray-light) 100%);
    border-color: rgba(225, 106, 14, 0.2);
}

.am-partner-duty-card--gain::before {
    opacity: 1;
}

.am-partner-duty-label {
    display: inline-block;
    margin-bottom: 12px;
    padding: 4px 10px;
    font-size: 11px;
    font-weight: 600;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--am-orange);
    background: var(--am-orange-soft);
    border-radius: 999px;
}

.am-partner-duty-card h3 {
    margin: 0 0 18px;
    font-size: 20px;
    font-weight: 600;
    color: var(--am-black);
}

/* legacy partner blocks (kept for compatibility) */
.am-partner-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
    margin-bottom: 48px;
}

.am-partner-card {
    border: 1px solid var(--am-border);
    border-radius: 8px;
    padding: 32px 24px;
    background: #fff;
}

.am-partner-stage {
    font-size: 14px;
    font-weight: 600;
    color: var(--am-orange);
    margin-bottom: 12px;
}

.am-partner-card p {
    font-size: 15px;
    color: var(--am-gray);
    line-height: 1.65;
    margin: 0;
}

.am-support-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
    border-top: 1px solid var(--am-border);
    padding-top: 40px;
}

.am-support-item {
    text-align: center;
}

.am-support-item strong {
    display: block;
    font-size: 18px;
    font-weight: 600;
    color: var(--am-black);
    margin-bottom: 6px;
}

.am-support-item span {
    font-size: 14px;
    color: var(--am-gray);
}

/* ── Products grid ── */
.am-grid-4 {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
}

.am-card {
    background: #fff;
    border: 1px solid var(--am-border);
    border-radius: var(--am-radius);
    padding: clamp(24px, 3vw, 36px) clamp(20px, 2.5vw, 32px);
    transition: border-color .25s, box-shadow .25s, transform .25s;
    height: 100%;
}

.am-card:hover {
    border-color: rgba(225, 106, 14, 0.3);
    box-shadow: var(--am-shadow);
    transform: none;
}

.am-card-num {
    font-size: 13px;
    font-weight: 600;
    color: var(--am-orange);
    margin-bottom: 16px;
}

.am-card h3 {
    font-size: 18px;
    font-weight: 600;
    margin: 0 0 12px;
    line-height: 1.4;
}

.am-card p {
    font-size: 14px;
    color: var(--am-gray);
    line-height: 1.7;
    margin: 0;
}

/* ── Solutions tabs ── */
.am-tabs-nav {
    display: flex;
    gap: 0;
    border-bottom: 1px solid var(--am-border);
    margin-bottom: 48px;
    overflow-x: auto;
}

.am-tabs-nav button {
    flex-shrink: 0;
    background: none;
    border: none;
    border-bottom: 2px solid transparent;
    padding: 16px 24px;
    font-size: 15px;
    font-weight: 500;
    color: var(--am-gray);
    cursor: pointer;
    margin-bottom: -1px;
    transition: color .2s, border-color .2s;
    font-family: inherit;
}

.am-tabs-nav button.is-active {
    color: var(--am-black);
    border-bottom-color: var(--am-orange);
}

.am-tab-panel { display: none; }
.am-tab-panel.is-active { display: block; }

.am-tab-panel h3 {
    font-size: 24px;
    font-weight: 600;
    margin: 0 0 16px;
}

.am-tab-panel p {
    font-size: 16px;
    color: var(--am-gray);
    line-height: 1.8;
    max-width: 720px;
    margin: 0 0 28px;
}

.am-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}

.am-tags span {
    padding: 6px 16px;
    background: var(--am-orange-soft);
    color: var(--am-orange);
    border-radius: 4px;
    font-size: 13px;
    font-weight: 500;
}

/* ── Brand values (about page) ── */
.am-values-frame {
    padding: clamp(28px, 4vw, 40px);
    border-radius: calc(var(--am-radius) + 4px);
    background: #fff;
    border: 1px solid var(--am-border);
    box-shadow: var(--am-shadow-lg);
}

.am-values-grid {
    display: grid;
    gap: 20px;
}

.am-values-grid--five {
    grid-template-columns: repeat(6, minmax(0, 1fr));
}

.am-values-grid--five .am-value-item:nth-child(1) { grid-column: 1 / span 2; }
.am-values-grid--five .am-value-item:nth-child(2) { grid-column: 3 / span 2; }
.am-values-grid--five .am-value-item:nth-child(3) { grid-column: 5 / span 2; }
.am-values-grid--five .am-value-item:nth-child(4) { grid-column: 2 / span 2; }
.am-values-grid--five .am-value-item:nth-child(5) { grid-column: 4 / span 2; }

.am-value-item {
    position: relative;
    display: flex;
    flex-direction: column;
    gap: 14px;
    min-height: 100%;
    padding: clamp(22px, 2.5vw, 28px);
    background: var(--am-gray-light);
    border: 1px solid var(--am-border);
    border-radius: var(--am-radius);
    transition: border-color .25s, box-shadow .25s, transform .25s, background .25s;
    overflow: hidden;
}

.am-value-item::before {
    content: '';
    position: absolute;
    left: 0;
    top: 16px;
    bottom: 16px;
    width: 3px;
    border-radius: 0 3px 3px 0;
    background: linear-gradient(180deg, var(--am-orange-light), var(--am-orange));
    opacity: 0;
    transition: opacity .25s;
}

.am-value-item:hover {
    background: #fff;
    border-color: rgba(225, 106, 14, 0.24);
    box-shadow: var(--am-shadow);
    transform: translateY(-2px);
}

.am-value-item:hover::before {
    opacity: 1;
}

.am-value-item--lead {
    background: linear-gradient(135deg, #fffaf5 0%, #fff 58%, var(--am-gray-light) 100%);
    border-color: rgba(225, 106, 14, 0.2);
}

.am-value-item--lead::before {
    opacity: 1;
}

.am-value-head {
    display: flex;
    align-items: flex-start;
    gap: 12px;
}

.am-value-num {
    flex-shrink: 0;
    font-size: 11px;
    font-weight: 700;
    letter-spacing: 0.06em;
    color: var(--am-orange);
    opacity: 0.72;
    line-height: 1;
    padding-top: 5px;
}

.am-value-icon {
    flex-shrink: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 42px;
    height: 42px;
    border-radius: 11px;
    background: #fff;
    color: var(--am-orange);
    border: 1px solid rgba(225, 106, 14, 0.12);
    box-shadow: 0 4px 12px rgba(225, 106, 14, 0.06);
}

.am-value-icon svg {
    width: 21px;
    height: 21px;
    display: block;
}

.am-value-item:hover .am-value-icon {
    background: var(--am-orange-soft);
    border-color: rgba(225, 106, 14, 0.2);
}

.am-value-titles {
    min-width: 0;
    flex: 1;
}

.am-value-titles h3 {
    margin: 0 0 4px;
    font-size: clamp(17px, 2vw, 19px);
    font-weight: 600;
    line-height: 1.35;
    color: var(--am-black);
}

.am-value-kicker {
    margin: 0;
    font-size: 12px;
    font-weight: 500;
    line-height: 1.5;
    color: var(--am-orange);
}

.am-value-desc {
    margin: 0;
    font-size: 14px;
    line-height: 1.75;
    color: var(--am-gray);
}

.am-values-footnote {
    margin: clamp(24px, 3vw, 32px) 0 0;
    padding-top: clamp(18px, 2.5vw, 24px);
    border-top: 1px dashed rgba(225, 106, 14, 0.16);
    text-align: center;
    font-size: 14px;
    line-height: 1.7;
    color: var(--am-gray);
}

/* ── Values carousel (legacy) ── */
.am-carousel {
    position: relative;
}

.am-carousel-track {
    overflow: hidden;
}

.am-carousel-inner {
    display: flex;
    transition: transform .5s cubic-bezier(.4,0,.2,1);
}

.am-value-slide {
    flex: 0 0 100%;
    padding: 0 8px;
}

.am-value-card {
    background: #fff;
    border: 1px solid var(--am-border);
    border-radius: 8px;
    padding: 48px 40px;
    min-height: 280px;
}

.am-value-card h3 {
    font-size: 28px;
    font-weight: 600;
    margin: 0 0 24px;
}

.am-value-card p {
    font-size: 16px;
    color: var(--am-gray);
    line-height: 1.85;
    margin: 0;
}

.am-carousel-nav {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 24px;
    margin-top: 40px;
}

.am-carousel-btn {
    width: 44px;
    height: 44px;
    border: 1px solid var(--am-border);
    border-radius: 50%;
    background: #fff;
    cursor: pointer;
    font-size: 18px;
    color: var(--am-black);
    transition: all .2s;
    display: flex;
    align-items: center;
    justify-content: center;
}

.am-carousel-btn:hover {
    border-color: var(--am-orange);
    color: var(--am-orange);
}

.am-carousel-dots {
    display: flex;
    gap: 8px;
}

.am-carousel-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    border: none;
    padding: 0;
    background: var(--am-border);
    cursor: pointer;
}

.am-carousel-dot.is-active { background: var(--am-orange); }

/* ── Stats ── */
.am-stats {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 32px;
    text-align: center;
}

.am-stat-value {
    font-size: clamp(36px, 5vw, 56px);
    font-weight: 700;
    color: var(--am-orange);
    letter-spacing: -0.02em;
    line-height: 1;
    margin-bottom: 12px;
}

.am-stat-label {
    font-size: 15px;
    color: var(--am-gray);
}

/* ── Milestones ── */
.am-milestones {
    border-left: 2px solid var(--am-border);
    margin-left: 8px;
    padding-left: 40px;
}

.am-milestone {
    position: relative;
    padding-bottom: 40px;
}

.am-milestone:last-child { padding-bottom: 0; }

.am-milestone::before {
    content: '';
    position: absolute;
    left: -49px;
    top: 6px;
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: var(--am-orange);
    border: 3px solid #fff;
    box-shadow: 0 0 0 2px var(--am-orange);
}

.am-milestone-date {
    font-size: 14px;
    font-weight: 600;
    color: var(--am-orange);
    margin-bottom: 8px;
}

.am-milestone-text {
    font-size: 16px;
    color: var(--am-black);
    line-height: 1.6;
    margin: 0;
}

/* ── Contact (ByteDance style) ── */
.am-contact-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 48px;
}

.am-contact-item h4 {
    font-size: 14px;
    font-weight: 600;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    color: var(--am-gray);
    margin: 0 0 12px;
}

.am-contact-item a,
.am-contact-item p {
    font-size: 18px;
    font-weight: 500;
    margin: 0;
    color: var(--am-black);
}

.am-contact-item a:hover { color: var(--am-orange); }

/* ── Footer ── */
.am-footer {
    background: #0f1014;
    color: rgba(255,255,255,.55);
    padding: clamp(48px, 8vw, 72px) 0 28px;
    font-size: 14px;
}

.am-footer-top {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 48px;
    padding-bottom: 48px;
    border-bottom: 1px solid rgba(255,255,255,.1);
}

.am-footer-brand img {
    height: auto;
    width: min(200px, 65vw);
    margin-bottom: 20px;
    display: block;
}

.am-footer-brand p {
    margin: 0;
    line-height: 1.75;
    max-width: 320px;
    font-size: 14px;
}

.am-footer-col h5 {
    color: rgba(255,255,255,.85);
    font-size: 14px;
    font-weight: 600;
    margin: 0 0 16px;
}

.am-footer-col ul {
    list-style: none;
    margin: 0;
    padding: 0;
}

.am-footer-col li { margin-bottom: 10px; }

.am-footer-col a {
    color: rgba(255,255,255,.55);
    transition: color .2s;
}

.am-footer-col a:hover { color: #fff; }

.am-footer-bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 12px 24px;
    padding-top: 28px;
    font-size: 13px;
    color: rgba(255,255,255,.35);
}

.am-footer-bottom a {
    color: rgba(255,255,255,.55);
    transition: color .2s;
}

.am-footer-bottom a:hover { color: #fff; }

/* ── WeChat popup ── */
.am-wechat-popup {
    position: relative;
    width: 100%;
    max-width: 380px;
    margin: 0 auto;
    padding: 36px 28px 28px;
    background: #fff;
    border-radius: calc(var(--am-radius) + 4px);
    box-shadow: 0 24px 64px rgba(22, 24, 35, 0.2);
    text-align: center;
    box-sizing: border-box;
}

.am-wechat-popup--poster {
    padding: 0;
    background: transparent;
    box-shadow: none;
    overflow: hidden;
    border-radius: calc(var(--am-radius) + 4px);
}

.am-wechat-popup-poster {
    display: block;
    width: 100%;
    max-width: 320px;
    height: auto;
    margin: 0 auto;
    border-radius: calc(var(--am-radius) + 4px);
    box-shadow: 0 24px 64px rgba(22, 24, 35, 0.2);
}

.am-popup-panel {
    background: #fff;
    padding: 32px;
    border-radius: 8px;
    max-width: 400px;
    margin: 0 auto;
    text-align: center;
}

.am-popup-panel h3 {
    font-size: 18px;
    margin: 0 0 8px;
}

.am-popup-panel p {
    font-size: 14px;
    color: var(--am-gray);
    margin: 0;
}

body.am-wechat-mfp-open {
    overflow: hidden;
}

.am-wechat-mfp .mfp-bg {
    z-index: 1200;
    background: rgba(22, 24, 35, 0.72);
    opacity: 1;
}

.am-wechat-mfp .mfp-wrap {
    z-index: 1201;
}

.am-wechat-mfp .mfp-container {
    display: flex;
    align-items: center;
    justify-content: center;
    height: 100%;
    padding: 24px 16px;
    box-sizing: border-box;
    text-align: center;
}

.am-wechat-mfp .mfp-container:before {
    display: none !important;
    content: none !important;
    height: 0 !important;
}

.am-wechat-mfp .mfp-content {
    position: relative;
    display: block;
    width: 100%;
    max-width: 320px;
    margin: 0 auto;
    text-align: center;
    vertical-align: initial;
}

.am-wechat-mfp .mfp-close {
    width: 36px;
    height: 36px;
    line-height: 36px;
    right: 10px;
    top: 10px;
    border-radius: 999px;
    background: rgba(255, 255, 255, 0.92);
    box-shadow: 0 2px 8px rgba(22, 24, 35, 0.12);
    color: var(--am-gray);
    font-size: 24px;
    font-weight: 300;
    opacity: 1;
    transition: background .2s, color .2s, transform .2s;
}

.am-wechat-mfp .mfp-close:hover {
    background: var(--am-orange-soft);
    color: var(--am-orange);
    transform: scale(1.04);
}

.am-wechat-mfp.mfp-fade.mfp-ready .mfp-content {
    opacity: 1;
}

.hidden { display: none !important; }

/* ── Inner page hero ── */
.am-page-hero {
    margin-top: var(--am-header-h);
    padding: clamp(40px, 6vw, 56px) 0 clamp(36px, 5vw, 48px);
    background: var(--am-gray-light);
    border-bottom: 1px solid var(--am-border);
}

.am-page-hero-label {
    font-size: 12px;
    font-weight: 600;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    color: var(--am-orange);
    margin: 0 0 12px;
}

.am-page-hero h1 {
    font-size: clamp(28px, 4vw, 40px);
    font-weight: 700;
    letter-spacing: -0.02em;
    margin: 0 0 14px;
    line-height: 1.2;
    color: var(--am-black);
    max-width: 16em;
}

.am-page-hero-desc {
    font-size: 16px;
    color: var(--am-gray);
    max-width: 640px;
    margin: 0;
    line-height: 1.75;
}

.am-page-hero .am-hero-tagline {
    display: inline-block;
    margin-top: 18px;
    padding: 7px 16px;
    background: #fff;
    color: var(--am-orange);
    border: 1px solid var(--am-border);
    border-radius: 999px;
    font-size: 13px;
    font-weight: 600;
}

/* ── Platform module nav ── */
.am-platform-nav {
    position: sticky;
    top: var(--am-header-h);
    z-index: 150;
    margin-top: -32px;
    margin-bottom: clamp(28px, 4vw, 40px);
    padding-bottom: 4px;
    transition: padding .25s, margin .25s;
}

.am-platform-nav.is-stuck {
    padding-top: 10px;
    padding-bottom: 10px;
}

.am-platform-nav.is-stuck .am-platform-nav-inner {
    box-shadow: 0 12px 40px rgba(22, 24, 35, 0.1);
    border-color: rgba(225, 106, 14, 0.12);
}

.am-platform-nav-inner {
    background: rgba(255, 255, 255, 0.94);
    backdrop-filter: blur(18px);
    -webkit-backdrop-filter: blur(18px);
    border: 1px solid var(--am-border);
    border-radius: calc(var(--am-radius) + 4px);
    box-shadow: var(--am-shadow-lg);
    padding: 8px;
    transition: box-shadow .25s, border-color .25s;
}

.am-platform-nav-list {
    display: grid;
    grid-template-columns: repeat(5, minmax(0, 1fr));
    gap: 6px;
    list-style: none;
    margin: 0;
    padding: 0;
}

.am-platform-nav-link {
    display: flex;
    align-items: center;
    gap: 12px;
    min-height: 64px;
    padding: 10px 14px;
    border-radius: var(--am-radius-sm);
    color: var(--am-black);
    transition: background .2s, color .2s, box-shadow .2s;
}

.am-platform-nav-link:hover {
    background: var(--am-orange-soft);
    color: var(--am-orange-dark);
}

.am-platform-nav-link.is-active {
    background: linear-gradient(135deg, rgba(225, 106, 14, 0.12) 0%, rgba(245, 158, 11, 0.08) 100%);
    box-shadow: inset 0 0 0 1px rgba(225, 106, 14, 0.18);
    color: var(--am-orange-dark);
}

.am-platform-nav-icon {
    flex-shrink: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    border-radius: 10px;
    background: var(--am-gray-light);
    color: var(--am-gray);
    transition: background .2s, color .2s;
}

.am-platform-nav-icon svg {
    width: 22px;
    height: 22px;
    display: block;
}

.am-platform-nav-link:hover .am-platform-nav-icon,
.am-platform-nav-link.is-active .am-platform-nav-icon {
    background: #fff;
    color: var(--am-orange);
}

.am-platform-nav-text {
    min-width: 0;
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.am-platform-nav-text strong {
    font-size: 14px;
    font-weight: 600;
    line-height: 1.3;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.am-platform-nav-text small {
    font-size: 11px;
    line-height: 1.3;
    color: var(--am-gray);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.am-platform-nav-link.is-active .am-platform-nav-text small {
    color: var(--am-orange);
}

.am-page-platform .am-section[id] {
    scroll-margin-top: var(--am-platform-scroll-offset, calc(var(--am-header-h) + 96px));
}

.am-page-platform #centers {
    padding-top: clamp(80px, 10vw, 128px);
}

/* ── Vision closing band ── */
.am-vision-band {
    position: relative;
    padding: clamp(64px, 9vw, 96px) 0;
    background: linear-gradient(155deg, #a84406 0%, var(--am-orange) 42%, #e89828 100%);
    color: #fff;
    overflow: hidden;
}

.am-vision-band-glow {
    position: absolute;
    inset: 0;
    background:
        radial-gradient(ellipse 70% 55% at 8% 15%, rgba(255,255,255,.2) 0%, transparent 58%),
        radial-gradient(ellipse 50% 40% at 92% 85%, rgba(0,0,0,.12) 0%, transparent 55%);
    pointer-events: none;
}

.am-vision-band-inner {
    position: relative;
    z-index: 1;
    display: grid;
    grid-template-columns: minmax(240px, 340px) minmax(0, 1fr);
    gap: clamp(40px, 6vw, 72px);
    align-items: start;
}

.am-vision-band-label {
    font-size: 12px;
    font-weight: 600;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    color: rgba(255, 255, 255, 0.72);
    margin: 0 0 20px;
}

.am-vision-band-logo {
    display: block;
    width: min(220px, 52vw);
    height: auto;
    margin-bottom: 28px;
}

.am-vision-band-title {
    font-size: clamp(26px, 3.2vw, 34px);
    font-weight: 700;
    line-height: 1.35;
    letter-spacing: -0.02em;
    margin: 0;
    color: #fff;
}

.am-vision-band-body {
    border-left: 1px solid rgba(255, 255, 255, 0.22);
    padding-left: clamp(28px, 4vw, 48px);
}

.am-vision-band-item {
    display: grid;
    grid-template-columns: auto 1fr;
    gap: clamp(16px, 2.5vw, 28px);
    padding: clamp(22px, 3vw, 32px) 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.16);
}

.am-vision-band-item:last-child {
    border-bottom: none;
    padding-bottom: 0;
}

.am-vision-band-item:first-child {
    padding-top: 0;
}

.am-vision-band-num {
    font-size: clamp(28px, 3vw, 36px);
    font-weight: 700;
    line-height: 1;
    color: rgba(255, 255, 255, 0.28);
    font-variant-numeric: tabular-nums;
}

.am-vision-band-item h3 {
    font-size: 18px;
    font-weight: 600;
    margin: 0 0 10px;
    color: #fff;
}

.am-vision-band-item p {
    font-size: 15px;
    line-height: 1.85;
    margin: 0;
    color: rgba(255, 255, 255, 0.88);
    max-width: 52em;
}

/* ── Slogan band ── */
.am-slogan-band {
    background: var(--am-black);
    color: rgba(255,255,255,.85);
    padding: 48px 0;
}

.am-slogan-list {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 16px 32px;
    list-style: none;
    margin: 0;
    padding: 0;
    font-size: 15px;
    font-weight: 500;
}

.am-slogan-list li {
    position: relative;
    padding-left: 20px;
}

.am-slogan-list li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 50%;
    transform: translateY(-50%);
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: var(--am-orange);
}

/* ── CTA link ── */
.am-link-more {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    margin-top: 32px;
    font-size: 15px;
    font-weight: 600;
    color: var(--am-orange);
    transition: gap .2s;
}

.am-link-more:hover { gap: 12px; color: var(--am-orange-dark); }

.am-btn {
    display: inline-block;
    padding: 14px 36px;
    background: var(--am-orange);
    color: #fff !important;
    border-radius: 999px;
    font-size: 15px;
    font-weight: 600;
    transition: background .2s, transform .2s, box-shadow .2s;
    border: none;
    cursor: pointer;
}

.am-btn:hover {
    background: var(--am-orange-dark);
    transform: translateY(-1px);
    box-shadow: 0 8px 24px var(--am-orange-glow);
    color: #fff !important;
}

.am-btn-outline {
    background: transparent;
    border: 1px solid var(--am-black);
    color: var(--am-black) !important;
}

.am-btn-outline:hover {
    background: var(--am-black);
    color: #fff !important;
    box-shadow: var(--am-shadow);
}

/* ── Capability / strategy grids ── */
.am-capability-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 28px;
}

.am-capability-grid--quad {
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 24px;
}

.am-capability-card {
    background: #fff;
    border: 1px solid var(--am-border);
    border-radius: var(--am-radius);
    padding: 32px 26px;
    height: 100%;
}

.am-capability-card h3 {
    font-size: 20px;
    font-weight: 600;
    margin: 0 0 12px;
    color: var(--am-orange);
}

.am-capability-card .am-cap-desc {
    font-size: 15px;
    color: var(--am-gray);
    line-height: 1.75;
    margin: 0 0 20px;
}

.am-feature-list {
    list-style: none;
    margin: 0;
    padding: 0;
}

.am-feature-list li {
    position: relative;
    padding: 6px 0 6px 18px;
    font-size: 14px;
    color: var(--am-black);
    line-height: 1.6;
}

.am-feature-list li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 13px;
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: var(--am-orange);
}

/* ── Module blocks (product pages) ── */
.am-module .am-module-showcase,
.am-module .am-centers-showcase {
    margin-top: 40px;
}

.am-module {
    margin-bottom: 80px;
}

.am-module:last-child { margin-bottom: 0; }

.am-module-head {
    margin-bottom: 40px;
    padding-bottom: 24px;
    border-bottom: 1px solid var(--am-border);
}

.am-module-head h2 {
    font-size: clamp(26px, 3.5vw, 36px);
    font-weight: 700;
    margin: 0 0 12px;
}

.am-module-head p {
    font-size: 16px;
    color: var(--am-gray);
    line-height: 1.75;
    margin: 0;
    max-width: 800px;
}

.am-submodule-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
}

.am-submodule {
    background: #fff;
    border: 1px solid var(--am-border);
    border-radius: var(--am-radius);
    padding: 26px 22px;
}

.am-section-gray .am-submodule { background: #fff; }

.am-submodule h3 {
    font-size: 18px;
    font-weight: 600;
    margin: 0 0 8px;
}

.am-submodule .am-sub-loc {
    font-size: 13px;
    color: var(--am-orange);
    margin: 0 0 12px;
    font-weight: 500;
}

.am-submodule p {
    font-size: 14px;
    color: var(--am-gray);
    line-height: 1.7;
    margin: 0 0 16px;
}

/* ── Eco loop ── */
.am-loop-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
}

.am-loop-card {
    text-align: center;
    padding: 32px 20px;
    background: #fff;
    border: 1px solid var(--am-border);
    border-radius: 8px;
}

.am-loop-card h4 {
    font-size: 16px;
    font-weight: 600;
    margin: 0 0 12px;
    color: var(--am-orange);
}

.am-loop-card p {
    font-size: 14px;
    color: var(--am-gray);
    line-height: 1.65;
    margin: 0;
}

/* ── Strategy pillars (about page) ── */
.am-strategy-frame {
    position: relative;
    overflow: hidden;
    padding: clamp(32px, 4vw, 48px);
    border-radius: calc(var(--am-radius) + 4px);
    background:
        radial-gradient(circle at 100% 0%, rgba(245, 158, 11, 0.1) 0%, transparent 44%),
        radial-gradient(circle at 0% 100%, rgba(225, 106, 14, 0.08) 0%, transparent 42%),
        linear-gradient(180deg, #fffaf5 0%, #fff 52%, #fff 100%);
    border: 1px solid rgba(225, 106, 14, 0.14);
    box-shadow: 0 16px 48px rgba(225, 106, 14, 0.07);
}

.am-strategy-frame-head {
    text-align: center;
    max-width: 680px;
    margin: 0 auto clamp(28px, 4vw, 40px);
}

.am-strategy-frame-badge {
    display: inline-block;
    margin-bottom: 12px;
    padding: 5px 12px;
    font-size: 11px;
    font-weight: 600;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--am-orange);
    background: rgba(255, 255, 255, 0.9);
    border: 1px solid rgba(225, 106, 14, 0.18);
    border-radius: 999px;
}

.am-strategy-frame-title {
    margin: 0 0 10px;
    font-size: clamp(22px, 3vw, 28px);
    font-weight: 700;
    letter-spacing: -0.02em;
    color: var(--am-black);
}

.am-strategy-frame-sub {
    margin: 0;
    font-size: 15px;
    line-height: 1.75;
    color: var(--am-gray);
}

.am-strategy-pillars {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 20px;
}

.am-strategy-pillar {
    position: relative;
    display: flex;
    flex-direction: column;
    gap: 16px;
    min-height: 100%;
    padding: clamp(22px, 2.5vw, 28px);
    background: rgba(255, 255, 255, 0.94);
    border: 1px solid var(--am-border);
    border-radius: var(--am-radius);
    transition: border-color .25s, box-shadow .25s, transform .25s;
    overflow: hidden;
}

.am-strategy-pillar::before {
    content: '';
    position: absolute;
    left: 0;
    top: 18px;
    bottom: 18px;
    width: 3px;
    border-radius: 0 3px 3px 0;
    background: linear-gradient(180deg, var(--am-orange-light), var(--am-orange));
    opacity: 0;
    transition: opacity .25s;
}

.am-strategy-pillar:hover {
    border-color: rgba(225, 106, 14, 0.26);
    box-shadow: var(--am-shadow);
    transform: translateY(-2px);
}

.am-strategy-pillar:hover::before {
    opacity: 1;
}

.am-strategy-pillar--lead {
    border-color: rgba(225, 106, 14, 0.22);
    background: linear-gradient(135deg, #fffaf5 0%, #fff 55%, #fff 100%);
    box-shadow: 0 8px 28px rgba(225, 106, 14, 0.06);
}

.am-strategy-pillar--lead::before {
    opacity: 1;
}

.am-strategy-pillar-head {
    display: flex;
    align-items: flex-start;
    gap: 14px;
}

.am-strategy-pillar-num {
    flex-shrink: 0;
    font-size: 12px;
    font-weight: 700;
    letter-spacing: 0.06em;
    color: var(--am-orange);
    opacity: 0.72;
    line-height: 1;
    padding-top: 4px;
}

.am-strategy-pillar-icon {
    flex-shrink: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 44px;
    height: 44px;
    border-radius: 12px;
    background: var(--am-orange-soft);
    color: var(--am-orange);
}

.am-strategy-pillar-icon svg {
    width: 22px;
    height: 22px;
    display: block;
}

.am-strategy-pillar-titles {
    min-width: 0;
    flex: 1;
}

.am-strategy-pillar-titles h3 {
    margin: 0 0 4px;
    font-size: clamp(18px, 2vw, 20px);
    font-weight: 600;
    line-height: 1.35;
    color: var(--am-black);
}

.am-strategy-pillar-kicker {
    margin: 0;
    font-size: 13px;
    font-weight: 500;
    line-height: 1.5;
    color: var(--am-orange);
}

.am-strategy-pillar-desc {
    margin: 0;
    font-size: 14px;
    line-height: 1.75;
    color: var(--am-gray);
}

.am-strategy-pillar-points {
    list-style: none;
    margin: auto 0 0;
    padding: 14px 0 0;
    border-top: 1px dashed rgba(225, 106, 14, 0.18);
}

.am-strategy-pillar-points li {
    position: relative;
    padding: 6px 0 6px 18px;
    font-size: 13px;
    line-height: 1.6;
    color: var(--am-black);
}

.am-strategy-pillar-points li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 12px;
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: var(--am-orange);
    box-shadow: 0 0 0 3px var(--am-orange-soft);
}

.am-strategy-union {
    display: flex;
    align-items: center;
    gap: 16px;
    margin-top: clamp(24px, 3vw, 32px);
    padding-top: clamp(20px, 3vw, 28px);
    border-top: 1px solid rgba(225, 106, 14, 0.12);
}

.am-strategy-union-line {
    flex: 1;
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(225, 106, 14, 0.35), transparent);
}

.am-strategy-union-core {
    flex-shrink: 0;
    text-align: center;
    padding: 10px 20px;
    background: #fff;
    border: 1px solid rgba(225, 106, 14, 0.2);
    border-radius: 999px;
    box-shadow: 0 4px 16px rgba(225, 106, 14, 0.08);
}

.am-strategy-union-core strong {
    display: block;
    font-size: 14px;
    font-weight: 600;
    color: var(--am-orange-dark);
    letter-spacing: 0.02em;
}

.am-strategy-union-core small {
    display: block;
    margin-top: 2px;
    font-size: 11px;
    color: var(--am-gray);
    letter-spacing: 0.04em;
}

/* legacy alias — keep for any old markup */
.am-strategy-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 28px;
}

.am-strategy-card {
    padding: 36px 28px;
    background: #fff;
    border: 1px solid var(--am-border);
    border-radius: 8px;
}

.am-strategy-card h3 {
    font-size: 20px;
    font-weight: 600;
    margin: 0 0 16px;
}

.am-strategy-card p {
    font-size: 15px;
    color: var(--am-gray);
    line-height: 1.75;
    margin: 0;
}

/* ── Contact form (astermap style) ── */
.am-contact-layout {
    display: grid;
    grid-template-columns: 1.2fr 1fr;
    gap: 64px;
    align-items: start;
}

.am-form-group {
    margin-bottom: 20px;
}

.am-form-group label {
    display: block;
    font-size: 13px;
    font-weight: 600;
    color: var(--am-gray);
    margin-bottom: 8px;
}

.am-form-group input,
.am-form-group textarea {
    width: 100%;
    padding: 14px 16px;
    border: 1px solid var(--am-border);
    border-radius: 4px;
    font-size: 15px;
    font-family: inherit;
    transition: border-color .2s;
}

.am-form-group input:focus,
.am-form-group textarea:focus {
    outline: none;
    border-color: var(--am-orange);
}

.am-form-group textarea { min-height: 120px; resize: vertical; }

.am-form-vcode {
    display: flex;
    align-items: stretch;
    gap: 12px;
}

.am-form-vcode input {
    flex: 1;
    background-repeat: no-repeat;
    background-position: right 12px center;
    padding-right: 120px;
}

.am-form-vcode-refresh {
    flex-shrink: 0;
    padding: 0 16px;
    border: 1px solid var(--am-border);
    border-radius: 4px;
    background: #fff;
    color: var(--am-gray);
    font-size: 13px;
    font-family: inherit;
    cursor: pointer;
    transition: border-color .2s, color .2s, background .2s;
}

.am-form-vcode-refresh:hover {
    border-color: rgba(225, 106, 14, 0.35);
    color: var(--am-orange);
    background: var(--am-orange-soft);
}

.am-form-required {
    color: var(--am-orange);
}

.am-form-feedback {
    display: none;
    margin: 16px 0 0;
    padding: 14px 16px;
    border-radius: var(--am-radius);
    font-size: 14px;
    line-height: 1.65;
}

.am-form-feedback.is-visible {
    display: block;
}

.am-form-feedback--success {
    background: #ecfdf3;
    border: 1px solid #86efac;
    color: #166534;
}

.am-form-feedback--error {
    background: #fff7ed;
    border: 1px solid #fdba74;
    color: #9a3412;
}

.am-btn.is-loading {
    opacity: 0.72;
    cursor: wait;
}

.am-btn:disabled {
    cursor: not-allowed;
}

.am-info-card {
    padding: 28px 24px;
    background: var(--am-gray-light);
    border-radius: 8px;
    margin-bottom: 20px;
}

.am-info-card h4 {
    font-size: 15px;
    font-weight: 600;
    margin: 0 0 8px;
}

.am-info-card p {
    font-size: 14px;
    color: var(--am-gray);
    line-height: 1.65;
    margin: 0;
}

/* ── Diagram blocks ── */
.am-diagram {
    margin-bottom: 40px;
    border-radius: var(--am-radius);
    overflow: hidden;
    border: 1px solid var(--am-border);
    background: #fff;
    box-shadow: var(--am-shadow);
}

.am-diagram img {
    display: block;
    width: 100%;
    height: auto;
}

.am-diagram-caption {
    margin: 0;
    padding: 14px 20px;
    font-size: 13px;
    color: var(--am-gray);
    text-align: center;
    background: var(--am-gray-light);
    border-top: 1px solid var(--am-border);
}

.am-panorama-frame {
    padding: clamp(20px, 3vw, 28px);
    border-radius: calc(var(--am-radius) + 4px);
    background: #fff;
    border: 1px solid var(--am-border);
    box-shadow: var(--am-shadow-lg);
}

.am-module-head-row--center {
    justify-content: center;
    margin-bottom: 16px;
}

.am-module-head-row--center .am-diagram-hint {
    margin-left: auto;
    margin-right: auto;
}

.am-diagram--compact {
    margin-top: clamp(24px, 3vw, 32px);
    margin-bottom: 0;
}

.am-page-home .am-home-panorama {
    max-width: 960px;
    margin-left: auto;
    margin-right: auto;
}

/* ── Brand VI page ── */
.am-vi-color-grid {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 20px;
}

.am-vi-color-card {
    padding: clamp(20px, 2.5vw, 24px);
    background: #fff;
    border: 1px solid var(--am-border);
    border-radius: var(--am-radius);
    box-shadow: var(--am-shadow);
}

.am-vi-color-swatch {
    display: block;
    width: 100%;
    height: 56px;
    border-radius: calc(var(--am-radius) - 2px);
    margin-bottom: 16px;
}

.am-vi-color-swatch--border {
    border: 1px solid var(--am-border);
}

.am-vi-color-card h3 {
    margin: 0 0 8px;
    font-size: 16px;
    font-weight: 600;
    color: var(--am-black);
}

.am-vi-color-card p {
    margin: 0 0 6px;
    font-size: 13px;
    line-height: 1.5;
    color: var(--am-gray-dark);
}

.am-vi-color-card code {
    font-size: 12px;
    color: var(--am-orange-dark);
}

.am-vi-color-use {
    margin-top: 10px !important;
    font-size: 12px !important;
    color: var(--am-gray) !important;
}

.am-vi-logo-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 24px;
}

.am-vi-logo-card {
    display: flex;
    flex-direction: column;
    background: #fff;
    border: 1px solid var(--am-border);
    border-radius: var(--am-radius);
    overflow: hidden;
    box-shadow: var(--am-shadow);
}

.am-vi-logo-preview {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 140px;
    padding: 28px 24px;
}

.am-vi-logo-preview--light {
    background: #fff;
    border-bottom: 1px solid var(--am-border);
}

.am-vi-logo-preview--brand {
    background: var(--am-orange);
    border-bottom: 1px solid rgba(0, 0, 0, 0.06);
}

.am-vi-logo-preview img {
    display: block;
    width: min(100%, 280px);
    height: auto;
    max-height: 72px;
    object-fit: contain;
}

.am-vi-logo-body {
    display: flex;
    flex-direction: column;
    flex: 1;
    gap: 12px;
    padding: clamp(20px, 2.5vw, 24px);
}

.am-vi-logo-body h3 {
    margin: 0;
    font-size: 18px;
    font-weight: 600;
    color: var(--am-black);
}

.am-vi-logo-file {
    margin: 0;
    font-size: 12px;
    font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
    color: var(--am-orange-dark);
}

.am-vi-logo-body .am-feature-list {
    flex: 1;
    margin-bottom: 4px;
}

.am-vi-download {
    align-self: flex-start;
    margin-top: auto;
}

.am-vi-download-table {
    overflow-x: auto;
    border: 1px solid var(--am-border);
    border-radius: var(--am-radius);
    background: #fff;
    box-shadow: var(--am-shadow);
}

.am-vi-download-table table {
    width: 100%;
    border-collapse: collapse;
    font-size: 14px;
}

.am-vi-download-table th,
.am-vi-download-table td {
    padding: 14px 18px;
    text-align: left;
    border-bottom: 1px solid var(--am-border);
    vertical-align: middle;
}

.am-vi-download-table th {
    background: var(--am-gray-light);
    font-weight: 600;
    color: var(--am-black);
}

.am-vi-download-table tr:last-child td {
    border-bottom: none;
}

.am-vi-download-table code {
    font-size: 12px;
    color: var(--am-gray-dark);
}

.am-vi-download-table a {
    font-weight: 600;
    color: var(--am-orange);
}

.am-vi-download-table a:hover {
    color: var(--am-orange-dark);
}

.am-page-brandvi .am-ai-trust-list li {
    background: #fff;
}

/* ── Diagram trigger + modal (platform page) ── */
.am-page-platform .am-module-head {
    margin-bottom: 28px;
}

.am-module-head-row {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 16px;
    margin-bottom: 12px;
}

.am-module-head-row h2 {
    flex: 1;
    min-width: 0;
    margin: 0;
}

.am-diagram-hint {
    flex-shrink: 0;
    display: inline-flex;
    align-items: center;
    gap: 6px;
    margin-top: 4px;
    padding: 5px 10px;
    font: inherit;
    font-size: 13px;
    font-weight: 500;
    line-height: 1;
    color: var(--am-gray);
    cursor: pointer;
    background: transparent;
    border: 1px solid var(--am-border);
    border-radius: 999px;
    transition: color .2s, border-color .2s, background .2s;
}

.am-diagram-hint svg {
    width: 15px;
    height: 15px;
    display: block;
    color: var(--am-orange);
}

.am-diagram-hint:hover {
    color: var(--am-orange-dark);
    border-color: rgba(225, 106, 14, 0.35);
    background: var(--am-orange-soft);
}

.am-diagram-modal {
    position: fixed;
    inset: 0;
    z-index: 400;
    display: none;
    align-items: center;
    justify-content: center;
    padding: clamp(16px, 4vw, 32px);
}

.am-diagram-modal.is-open {
    display: flex;
}

body.am-diagram-modal-open {
    overflow: hidden;
}

.am-diagram-modal-backdrop {
    position: absolute;
    inset: 0;
    background: rgba(22, 24, 35, 0.62);
    backdrop-filter: blur(6px);
    -webkit-backdrop-filter: blur(6px);
}

.am-diagram-modal-panel {
    position: relative;
    z-index: 1;
    width: min(960px, 100%);
    max-height: min(90vh, 880px);
    overflow: auto;
    padding: clamp(20px, 3vw, 28px);
    background: #fff;
    border-radius: calc(var(--am-radius) + 4px);
    box-shadow: 0 24px 64px rgba(22, 24, 35, 0.22);
    animation: am-diagram-modal-in .28s ease;
}

@keyframes am-diagram-modal-in {
    from {
        opacity: 0;
        transform: translateY(12px) scale(0.98);
    }
    to {
        opacity: 1;
        transform: translateY(0) scale(1);
    }
}

.am-diagram-modal-close {
    position: absolute;
    top: 14px;
    right: 14px;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    padding: 0;
    border: none;
    border-radius: 8px;
    background: var(--am-gray-light);
    color: var(--am-gray);
    cursor: pointer;
    transition: background .2s, color .2s;
}

.am-diagram-modal-close svg {
    width: 18px;
    height: 18px;
    display: block;
}

.am-diagram-modal-close:hover {
    background: var(--am-orange-soft);
    color: var(--am-orange-dark);
}

.am-diagram-modal-title {
    margin: 0 48px 16px 0;
    padding-right: 8px;
    font-size: clamp(17px, 2.5vw, 20px);
    font-weight: 600;
    line-height: 1.4;
    color: var(--am-black);
}

.am-diagram-modal-body {
    border: 1px solid var(--am-border);
    border-radius: var(--am-radius-sm);
    overflow: hidden;
    background: var(--am-gray-light);
}

.am-diagram-modal-body img {
    display: block;
    width: 100%;
    height: auto;
}

.am-diagram-modal-caption {
    margin: 14px 0 0;
    font-size: 13px;
    line-height: 1.65;
    color: var(--am-gray);
    text-align: center;
}

.am-diagram-modal-caption[hidden] {
    display: none;
}

.am-footer-slogans {
    margin-top: 16px;
    font-size: 13px;
    color: rgba(255,255,255,.45);
}

/* ── Quick nav ── */
.am-quicknav {
    background: #fff;
    border-bottom: 1px solid var(--am-border);
    box-shadow: var(--am-shadow);
}

.am-quicknav .am-wrap {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
}

.am-quicknav-item {
    display: flex;
    flex-direction: column;
    justify-content: center;
    min-height: 88px;
    padding: 24px 20px;
    border-right: 1px solid var(--am-border);
    transition: background .2s;
    text-align: left;
}

.am-quicknav-item:last-child { border-right: none; }

.am-quicknav-item strong {
    display: block;
    font-size: 16px;
    font-weight: 600;
    margin-bottom: 6px;
    color: var(--am-black);
}

.am-quicknav-item span {
    font-size: 13px;
    color: var(--am-gray);
    line-height: 1.5;
}

.am-quicknav-item:hover {
    background: var(--am-orange-soft);
}

.am-quicknav-item:hover strong { color: var(--am-orange); }

/* ── Homepage sections ── */
.am-page-home .am-section-foot {
    margin: clamp(32px, 4vw, 44px) 0 0;
    text-align: center;
}

.am-section-foot-sep {
    display: inline-block;
    margin: 0 12px;
    color: var(--am-border);
}

.am-home-capabilities-frame,
.am-home-showcase-frame {
    padding: clamp(24px, 3vw, 32px);
    border-radius: calc(var(--am-radius) + 4px);
    background: #fff;
    border: 1px solid var(--am-border);
    box-shadow: var(--am-shadow-lg);
}

.am-section-gray .am-home-capabilities-frame {
    background: #fff;
}

.am-page-home .am-capability-card {
    position: relative;
    overflow: hidden;
    transition: border-color .25s, box-shadow .25s, transform .25s;
}

.am-page-home .am-capability-card::before {
    content: '';
    position: absolute;
    left: 0;
    top: 18px;
    bottom: 18px;
    width: 3px;
    border-radius: 0 3px 3px 0;
    background: linear-gradient(180deg, var(--am-orange-light), var(--am-orange));
    opacity: 0;
    transition: opacity .25s;
}

.am-page-home .am-capability-card:hover {
    border-color: rgba(225, 106, 14, 0.26);
    box-shadow: var(--am-shadow);
    transform: translateY(-2px);
}

.am-page-home .am-capability-card:hover::before {
    opacity: 1;
}

.am-home-card-head {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 16px;
}

.am-home-card-num {
    font-size: 12px;
    font-weight: 700;
    letter-spacing: 0.06em;
    color: var(--am-orange);
    opacity: 0.75;
}

.am-home-card-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    border-radius: 10px;
    background: var(--am-orange-soft);
    color: var(--am-orange);
}

.am-home-card-icon svg {
    width: 20px;
    height: 20px;
    display: block;
}

.am-page-home .am-capability-card h3 {
    color: var(--am-black);
    margin-bottom: 10px;
}

.am-page-home .am-capability-card:first-child {
    border-color: rgba(225, 106, 14, 0.2);
    background: linear-gradient(135deg, #fffaf5 0%, #fff 58%, #fff 100%);
}

.am-page-home .am-capability-card:first-child::before {
    opacity: 1;
}

.am-home-showcase-frame .am-center-card {
    background: var(--am-gray-light);
}

.am-home-showcase-frame .am-center-card--lead {
    background: linear-gradient(135deg, #fffaf5 0%, #fff 52%, var(--am-gray-light) 100%);
}

.am-home-assets-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 20px;
}

.am-home-asset-card {
    position: relative;
    padding: clamp(24px, 3vw, 28px);
    background: #fff;
    border: 1px solid var(--am-border);
    border-radius: var(--am-radius);
    transition: border-color .25s, box-shadow .25s, transform .25s;
    overflow: hidden;
}

.am-home-asset-card::before {
    content: '';
    position: absolute;
    left: 0;
    top: 16px;
    bottom: 16px;
    width: 3px;
    border-radius: 0 3px 3px 0;
    background: linear-gradient(180deg, var(--am-orange-light), var(--am-orange));
    opacity: 0;
    transition: opacity .25s;
}

.am-home-asset-card:hover {
    border-color: rgba(225, 106, 14, 0.24);
    box-shadow: var(--am-shadow);
    transform: translateY(-2px);
}

.am-home-asset-card:hover::before {
    opacity: 1;
}

.am-home-asset-card--lead {
    grid-column: 1 / -1;
    border-color: rgba(225, 106, 14, 0.2);
    background: linear-gradient(135deg, #fffaf5 0%, #fff 60%, #fff 100%);
}

.am-home-asset-card--lead::before {
    opacity: 1;
}

.am-home-asset-num {
    display: block;
    margin-bottom: 12px;
    font-size: 12px;
    font-weight: 700;
    letter-spacing: 0.06em;
    color: var(--am-orange);
    opacity: 0.75;
}

.am-home-asset-card h3 {
    margin: 0 0 10px;
    font-size: clamp(18px, 2vw, 20px);
    font-weight: 600;
    line-height: 1.35;
    color: var(--am-black);
}

.am-home-asset-card p {
    margin: 0;
    font-size: 14px;
    line-height: 1.75;
    color: var(--am-gray);
}

.am-home-eco-frame {
    padding: clamp(28px, 4vw, 40px);
    border-radius: calc(var(--am-radius) + 4px);
    background:
        radial-gradient(circle at 100% 0%, rgba(245, 158, 11, 0.1) 0%, transparent 42%),
        radial-gradient(circle at 0% 100%, rgba(225, 106, 14, 0.08) 0%, transparent 40%),
        linear-gradient(180deg, #fffaf5 0%, #fff 55%, #fff 100%);
    border: 1px solid rgba(225, 106, 14, 0.14);
    box-shadow: 0 16px 48px rgba(225, 106, 14, 0.07);
}

.am-home-eco-hub {
    text-align: center;
    margin-bottom: 24px;
    padding: 24px 20px;
    border-radius: var(--am-radius);
    background: var(--am-black);
    color: #fff;
}

.am-home-eco-hub-label {
    display: block;
    margin-bottom: 8px;
    font-size: 12px;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    opacity: 0.82;
}

.am-home-eco-hub strong {
    font-size: clamp(22px, 3vw, 28px);
    font-weight: 700;
    letter-spacing: 0.04em;
}

.am-home-eco-entities {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 16px;
    margin-bottom: 20px;
}

.am-home-eco-entity {
    padding: 20px 16px;
    text-align: center;
    background: rgba(255, 255, 255, 0.94);
    border: 1px solid rgba(225, 106, 14, 0.18);
    border-radius: var(--am-radius-sm);
    transition: border-color .2s, box-shadow .2s;
}

.am-home-eco-entity:hover {
    border-color: rgba(225, 106, 14, 0.32);
    box-shadow: var(--am-shadow);
}

.am-home-eco-entity h4 {
    margin: 0 0 8px;
    font-size: 15px;
    font-weight: 600;
    color: var(--am-black);
}

.am-home-eco-entity p {
    margin: 0;
    font-size: 13px;
    line-height: 1.65;
    color: var(--am-gray);
}

.am-home-eco-loops {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 12px;
    padding-top: 20px;
    border-top: 1px dashed rgba(225, 106, 14, 0.16);
}

.am-home-eco-loop {
    padding: 16px 14px;
    background: rgba(255, 255, 255, 0.88);
    border: 1px solid var(--am-border);
    border-radius: var(--am-radius-sm);
}

.am-home-eco-loop-label {
    display: inline-block;
    margin-bottom: 8px;
    padding: 3px 10px;
    font-size: 11px;
    font-weight: 600;
    letter-spacing: 0.06em;
    color: var(--am-orange);
    background: var(--am-orange-soft);
    border-radius: 999px;
}

.am-home-eco-loop p {
    margin: 0;
    font-size: 12px;
    line-height: 1.6;
    color: var(--am-gray);
}

.am-page-home .am-quicknav-item {
    position: relative;
}

.am-page-home .am-quicknav-item::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    width: 3px;
    background: var(--am-orange);
    opacity: 0;
    transition: opacity .2s;
}

.am-page-home .am-quicknav-item:hover::before {
    opacity: 1;
}

/* ── Scroll reveal ── */
.am-reveal {
    opacity: 0;
    transform: translateY(24px);
    transition: opacity .6s ease, transform .6s ease;
}

.am-reveal.is-visible {
    opacity: 1;
    transform: translateY(0);
}

@media (prefers-reduced-motion: reduce) {
    .am-reveal {
        opacity: 1;
        transform: none;
        transition: none;
    }
}

/* ── Operations page ── */
.am-page-operations .am-module {
    margin-bottom: 0;
}

.am-page-operations .am-module-head {
    margin-bottom: clamp(28px, 4vw, 36px);
}

.am-ops-panel {
    padding: clamp(24px, 3vw, 32px);
    border-radius: calc(var(--am-radius) + 4px);
    background: #fff;
    border: 1px solid var(--am-border);
    box-shadow: var(--am-shadow-lg);
}

.am-section-gray .am-ops-panel {
    background: #fff;
}

.am-ops-panel--loops {
    background:
        radial-gradient(circle at 100% 0%, rgba(245, 158, 11, 0.08) 0%, transparent 42%),
        radial-gradient(circle at 0% 100%, rgba(225, 106, 14, 0.06) 0%, transparent 40%),
        linear-gradient(180deg, #fffaf5 0%, #fff 55%, #fff 100%);
    border-color: rgba(225, 106, 14, 0.12);
}

.am-ops-card-head {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 16px;
}

.am-ops-card-num {
    font-size: 12px;
    font-weight: 700;
    letter-spacing: 0.06em;
    color: var(--am-orange);
    opacity: 0.75;
}

.am-ops-card-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    border-radius: 10px;
    background: var(--am-orange-soft);
    color: var(--am-orange);
}

.am-ops-card-icon svg {
    width: 20px;
    height: 20px;
    display: block;
}

.am-page-operations .am-capability-card {
    position: relative;
    overflow: hidden;
    transition: border-color .25s, box-shadow .25s, transform .25s;
}

.am-page-operations .am-capability-card::before {
    content: '';
    position: absolute;
    left: 0;
    top: 18px;
    bottom: 18px;
    width: 3px;
    border-radius: 0 3px 3px 0;
    background: linear-gradient(180deg, var(--am-orange-light), var(--am-orange));
    opacity: 0;
    transition: opacity .25s;
}

.am-page-operations .am-capability-card:hover {
    border-color: rgba(225, 106, 14, 0.26);
    box-shadow: var(--am-shadow);
    transform: translateY(-2px);
}

.am-page-operations .am-capability-card:hover::before {
    opacity: 1;
}

.am-page-operations .am-capability-card h3 {
    color: var(--am-black);
    margin-bottom: 16px;
}

/* ── AI page ── */
.am-page-ai .am-ops-panel {
    scroll-margin-top: calc(var(--am-header-h) + 72px);
}

.am-page-ai .am-capability-card {
    position: relative;
    overflow: hidden;
}

.am-page-ai .am-capability-card::before {
    content: '';
    position: absolute;
    left: 0;
    top: 16px;
    bottom: 16px;
    width: 3px;
    border-radius: 0 3px 3px 0;
    background: linear-gradient(180deg, var(--am-orange-light), var(--am-orange));
    opacity: 0;
    transition: opacity .25s;
}

.am-page-ai .am-capability-card:hover::before {
    opacity: 1;
}

.am-page-ai .am-capability-card h3 {
    color: var(--am-black);
    margin-bottom: 16px;
}

.am-page-ai #scenarios .am-capability-card--visual {
    padding: 0;
    display: flex;
    flex-direction: column;
}

.am-page-ai .am-scenario-visual {
    margin: 0;
    aspect-ratio: 1;
    overflow: hidden;
    border-bottom: 1px solid var(--am-border);
    background: var(--am-gray-light);
}

.am-page-ai .am-scenario-visual img {
    display: block;
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.am-page-ai .am-capability-card-body {
    padding: 22px 22px 26px;
    flex: 1;
}

.am-ai-actors-grid {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 20px;
}

.am-ai-actor-card {
    position: relative;
    display: flex;
    flex-direction: column;
    gap: 12px;
    min-height: 100%;
    padding: clamp(24px, 3vw, 28px);
    background: var(--am-gray-light);
    border: 1px solid var(--am-border);
    border-radius: var(--am-radius);
    transition: border-color .25s, box-shadow .25s, transform .25s;
    overflow: hidden;
}

.am-ai-actor-card::before {
    content: '';
    position: absolute;
    left: 0;
    top: 16px;
    bottom: 16px;
    width: 3px;
    border-radius: 0 3px 3px 0;
    background: linear-gradient(180deg, var(--am-orange-light), var(--am-orange));
    opacity: 0;
    transition: opacity .25s;
}

.am-ai-actor-card:hover {
    border-color: rgba(225, 106, 14, 0.24);
    box-shadow: var(--am-shadow);
    transform: translateY(-2px);
}

.am-ai-actor-card:hover::before {
    opacity: 1;
}

.am-ai-actor-card h3 {
    margin: 0;
    font-size: 18px;
    font-weight: 600;
    color: var(--am-black);
}

.am-ai-actor-card .am-ops-card-num {
    display: block;
    margin-bottom: 4px;
}

.am-ai-bigdata-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 20px;
}

.am-ai-bigdata-card {
    position: relative;
    display: flex;
    flex-direction: column;
    gap: 12px;
    min-height: 100%;
    padding: clamp(24px, 3vw, 28px);
    background: #fff;
    border: 1px solid var(--am-border);
    border-radius: var(--am-radius);
    transition: border-color .25s, box-shadow .25s, transform .25s;
    overflow: hidden;
}

.am-ai-bigdata-card::before {
    content: '';
    position: absolute;
    left: 0;
    top: 16px;
    bottom: 16px;
    width: 3px;
    border-radius: 0 3px 3px 0;
    background: linear-gradient(180deg, var(--am-orange-light), var(--am-orange));
    opacity: 0;
    transition: opacity .25s;
}

.am-ai-bigdata-card:hover {
    border-color: rgba(225, 106, 14, 0.24);
    box-shadow: var(--am-shadow);
    transform: translateY(-2px);
}

.am-ai-bigdata-card:hover::before {
    opacity: 1;
}

.am-ai-bigdata-card h3 {
    margin: 0;
    font-size: 18px;
    font-weight: 600;
    color: var(--am-black);
}

.am-ai-bigdata-card--lead {
    grid-column: 1 / -1;
    background: linear-gradient(135deg, #fffaf5 0%, #fff 58%, var(--am-gray-light) 100%);
    border-color: rgba(225, 106, 14, 0.2);
}

.am-ai-bigdata-card--lead::before {
    opacity: 1;
}

.am-ai-stack {
    display: flex;
    flex-direction: column;
    gap: 12px;
    margin: 0;
    padding: 0;
    list-style: none;
    counter-reset: ai-stack;
}

.am-ai-stack > li {
    position: relative;
    display: grid;
    gap: 6px;
    padding: clamp(20px, 2.5vw, 24px) clamp(20px, 2.5vw, 24px) clamp(20px, 2.5vw, 24px) clamp(52px, 5vw, 60px);
    background: #fff;
    border: 1px solid var(--am-border);
    border-radius: var(--am-radius);
    transition: border-color .25s, box-shadow .25s;
}

.am-ai-stack > li::before {
    counter-increment: ai-stack;
    content: counter(ai-stack, decimal-leading-zero);
    position: absolute;
    left: clamp(16px, 2vw, 20px);
    top: clamp(20px, 2.5vw, 24px);
    font-size: 13px;
    font-weight: 700;
    letter-spacing: 0.04em;
    color: var(--am-orange);
    font-variant-numeric: tabular-nums;
}

.am-ai-stack > li strong {
    display: block;
    font-size: 17px;
    font-weight: 600;
    color: var(--am-black);
    line-height: 1.45;
}

.am-ai-stack > li span {
    display: block;
    font-size: 14px;
    line-height: 1.65;
    color: var(--am-gray-dark);
}

.am-ai-stack > li.is-highlight {
    background: linear-gradient(135deg, #fffaf5 0%, #fff 58%, var(--am-gray-light) 100%);
    border-color: rgba(225, 106, 14, 0.24);
    box-shadow: var(--am-shadow);
}

.am-ai-stack > li.is-highlight::before {
    color: var(--am-orange-dark);
}

.am-ops-panel.am-ai-stack-panel {
    padding: clamp(24px, 3vw, 32px);
}

.am-ai-stack-note {
    margin: clamp(20px, 3vw, 28px) 0 0;
    font-size: 15px;
    line-height: 1.7;
    color: var(--am-gray-dark);
    text-align: center;
}

.am-ai-trust-list {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 16px;
    margin: 0;
    padding: 0;
    list-style: none;
}

.am-ai-trust-list li {
    position: relative;
    padding: clamp(20px, 2.5vw, 24px);
    background: #fff;
    border: 1px solid var(--am-border);
    border-radius: var(--am-radius);
    transition: border-color .25s, box-shadow .25s, transform .25s;
}

.am-ai-trust-list li:hover {
    border-color: rgba(225, 106, 14, 0.24);
    box-shadow: var(--am-shadow);
    transform: translateY(-2px);
}

.am-ai-trust-list li strong {
    display: block;
    margin-bottom: 8px;
    font-size: 16px;
    font-weight: 600;
    color: var(--am-black);
    line-height: 1.45;
}

.am-ai-trust-list li span {
    display: block;
    font-size: 14px;
    line-height: 1.65;
    color: var(--am-gray-dark);
}

.am-ops-settle-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 20px;
}

.am-ops-settle-card {
    position: relative;
    padding: clamp(24px, 3vw, 28px);
    background: var(--am-gray-light);
    border: 1px solid var(--am-border);
    border-radius: var(--am-radius);
    transition: border-color .25s, box-shadow .25s, transform .25s;
    overflow: hidden;
}

.am-ops-settle-card::before {
    content: '';
    position: absolute;
    left: 0;
    top: 16px;
    bottom: 16px;
    width: 3px;
    border-radius: 0 3px 3px 0;
    background: linear-gradient(180deg, var(--am-orange-light), var(--am-orange));
    opacity: 0;
    transition: opacity .25s;
}

.am-ops-settle-card:hover {
    border-color: rgba(225, 106, 14, 0.24);
    box-shadow: var(--am-shadow);
    transform: translateY(-2px);
}

.am-ops-settle-card:hover::before {
    opacity: 1;
}

.am-ops-settle-card--lead {
    grid-column: 1 / -1;
    background: linear-gradient(135deg, #fffaf5 0%, #fff 58%, var(--am-gray-light) 100%);
    border-color: rgba(225, 106, 14, 0.2);
}

.am-ops-settle-card--lead::before {
    opacity: 1;
}

.am-ops-settle-card .am-ops-card-num {
    display: block;
    margin-bottom: 12px;
}

.am-ops-settle-card h3 {
    margin: 0 0 16px;
    font-size: 18px;
    font-weight: 600;
    color: var(--am-black);
}

.am-ops-strategy-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 20px;
}

.am-ops-strategy-card {
    position: relative;
    display: flex;
    flex-direction: column;
    gap: 12px;
    min-height: 100%;
    padding: clamp(24px, 3vw, 28px);
    background: var(--am-gray-light);
    border: 1px solid var(--am-border);
    border-radius: var(--am-radius);
    transition: border-color .25s, box-shadow .25s, transform .25s;
}

.am-ops-strategy-card:hover {
    border-color: rgba(225, 106, 14, 0.24);
    box-shadow: var(--am-shadow);
    transform: translateY(-2px);
}

.am-ops-strategy-card h3 {
    margin: 0;
    font-size: 18px;
    font-weight: 600;
    color: var(--am-black);
}

.am-ops-strategy-card p {
    margin: 0;
    font-size: 15px;
    line-height: 1.75;
    color: var(--am-gray);
}

.am-ops-landing-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 20px;
}

.am-ops-landing-card {
    padding: clamp(22px, 3vw, 26px);
    background: var(--am-gray-light);
    border: 1px solid var(--am-border);
    border-radius: var(--am-radius);
    transition: border-color .25s, box-shadow .25s, transform .25s;
}

.am-ops-landing-card:hover {
    border-color: rgba(225, 106, 14, 0.24);
    box-shadow: var(--am-shadow);
    transform: translateY(-2px);
}

.am-ops-landing-head {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 12px;
}

.am-ops-landing-head h3 {
    margin: 0;
    font-size: 18px;
    font-weight: 600;
    color: var(--am-black);
}

.am-ops-landing-card p {
    margin: 0;
    font-size: 14px;
    line-height: 1.75;
    color: var(--am-gray);
}

.am-ops-loop-grid {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 16px;
}

.am-ops-loop-card {
    position: relative;
    padding: 24px 18px 22px;
    text-align: center;
    background: rgba(255, 255, 255, 0.94);
    border: 1px solid var(--am-border);
    border-radius: var(--am-radius);
    transition: border-color .25s, box-shadow .25s, transform .25s;
}

.am-ops-loop-card:hover {
    border-color: rgba(225, 106, 14, 0.24);
    box-shadow: var(--am-shadow);
    transform: translateY(-2px);
}

.am-ops-loop-label {
    display: inline-block;
    margin-bottom: 10px;
    padding: 4px 10px;
    font-size: 11px;
    font-weight: 600;
    letter-spacing: 0.08em;
    color: var(--am-orange);
    background: var(--am-orange-soft);
    border-radius: 999px;
}

.am-ops-loop-card h4 {
    margin: 0 0 10px;
    font-size: 16px;
    font-weight: 600;
    color: var(--am-black);
}

.am-ops-loop-card p {
    margin: 0;
    font-size: 13px;
    line-height: 1.65;
    color: var(--am-gray);
}

/* ── Partner support ── */
.am-ops-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 32px;
}

.am-ops-block h3 {
    font-size: 22px;
    font-weight: 600;
    margin: 0 0 20px;
    color: var(--am-orange);
}

.am-cta-band {
    text-align: center;
    padding: clamp(64px, 10vw, 96px) 0;
    background: linear-gradient(135deg, var(--am-orange-dark) 0%, var(--am-orange) 50%, var(--am-orange-light) 100%);
    color: #fff;
    position: relative;
    overflow: hidden;
}

.am-cta-band::before {
    content: '';
    position: absolute;
    inset: 0;
    background: radial-gradient(ellipse 60% 80% at 50% 100%, rgba(255,255,255,.12) 0%, transparent 60%);
    pointer-events: none;
}

.am-cta-band .am-wrap {
    position: relative;
    z-index: 1;
}

.am-cta-band h2 {
    font-size: clamp(28px, 4vw, 40px);
    font-weight: 700;
    margin: 0 0 16px;
}

.am-cta-band p {
    font-size: 17px;
    opacity: .9;
    margin: 0 0 32px;
    max-width: 560px;
    margin-left: auto;
    margin-right: auto;
}

.am-cta-actions {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 16px;
}

.am-cta-band .am-btn-cta-primary {
    background: #fff;
    border: 1px solid #fff;
    color: var(--am-orange) !important;
    box-shadow: 0 4px 20px rgba(22, 24, 35, 0.1);
}

.am-cta-band .am-btn-cta-primary:hover {
    background: var(--am-gray-light);
    border-color: var(--am-gray-light);
    color: var(--am-orange-dark) !important;
    box-shadow: 0 8px 24px rgba(22, 24, 35, 0.12);
}

.am-cta-band .am-btn-cta-ghost {
    background: transparent;
    border: 1px solid rgba(255, 255, 255, 0.88);
    color: #fff !important;
    box-shadow: none;
}

.am-cta-band .am-btn-cta-ghost:hover {
    background: rgba(255, 255, 255, 0.12);
    border-color: #fff;
    color: #fff !important;
    box-shadow: none;
}

.am-cta-band .am-btn:not(.am-btn-cta-ghost):not(.am-btn-cta-primary) {
    background: #fff;
    color: var(--am-orange) !important;
}

.am-cta-band .am-btn:not(.am-btn-cta-ghost):not(.am-btn-cta-primary):hover {
    background: var(--am-gray-light);
}

.am-eco-entity {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
}

.am-eco-entity-card {
    padding: 28px 24px;
    border: 1px solid var(--am-border);
    border-radius: 8px;
    background: #fff;
}

.am-eco-entity-card h4 {
    font-size: 17px;
    font-weight: 600;
    margin: 0 0 12px;
    color: var(--am-orange);
}

.am-eco-entity-card p {
    font-size: 14px;
    color: var(--am-gray);
    line-height: 1.7;
    margin: 0;
}

/* ── Responsive ── */
@media (max-width: 1024px) {
    .am-nav { gap: 16px; font-size: 14px; }
    .am-nav-cta { padding: 8px 16px; }
    .am-grid-4,
    .am-grid-2x2 { grid-template-columns: repeat(2, 1fr); }
    .am-mission { grid-template-columns: 1fr; gap: 40px; }
    .am-stats { grid-template-columns: repeat(2, 1fr); }
    .am-footer-top { grid-template-columns: 1fr 1fr; }
    .am-insight-grid,
    .am-model-nodes,
    .am-partner-grid,
    .am-support-grid { grid-template-columns: 1fr 1fr; }
    .am-module-showcase-grid--quad,
    .am-centers-showcase-grid--quad {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }
    .am-module-card-body--split,
    .am-center-card-body--split {
        grid-template-columns: 1fr;
        gap: 20px;
    }
    .am-module-features--cols,
    .am-center-features--cols {
        grid-template-columns: 1fr;
    }
    .am-centers-grid { grid-template-columns: 1fr 1fr; }
    .am-centers-grid .am-card:first-child { grid-column: 1 / -1; }
    .am-capability-grid,
    .am-strategy-grid,
    .am-loop-grid { grid-template-columns: repeat(2, 1fr); }
    .am-capability-grid--quad,
    .am-ai-actors-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
    .am-ai-bigdata-grid { grid-template-columns: 1fr; }
    .am-ai-bigdata-card--lead { grid-column: auto; }
    .am-ai-trust-list { grid-template-columns: 1fr; }
    .am-vi-color-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
    .am-vi-logo-grid { grid-template-columns: 1fr; }
    .am-values-grid--five {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }
    .am-values-grid--five .am-value-item:nth-child(n) {
        grid-column: auto;
    }
    .am-values-grid--five .am-value-item:nth-child(5) {
        grid-column: 1 / -1;
        max-width: 560px;
        margin: 0 auto;
        width: 100%;
    }
    .am-contact-layout { grid-template-columns: 1fr; gap: 48px; }
    .am-submodule-grid,
    .am-ops-grid,
    .am-eco-entity { grid-template-columns: 1fr; }
    .am-quicknav .am-wrap { grid-template-columns: repeat(2, 1fr); }
    .am-quicknav-item:nth-child(2) { border-right: none; }
    .am-home-eco-entities,
    .am-home-eco-loops { grid-template-columns: repeat(2, minmax(0, 1fr)); }
    .am-ops-strategy-grid { grid-template-columns: 1fr; }
    .am-ops-loop-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
    .am-partner-phase-grid,
    .am-partner-role-grid,
    .am-partner-support-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
    .am-platform-nav-list {
        grid-template-columns: repeat(5, minmax(128px, 1fr));
        overflow-x: auto;
        scroll-snap-type: x mandatory;
        -webkit-overflow-scrolling: touch;
        scrollbar-width: none;
    }
    .am-platform-nav-list::-webkit-scrollbar { display: none; }
    .am-platform-nav-list li { scroll-snap-align: center; }
    .am-platform-nav-link { min-height: 58px; padding: 8px 10px; gap: 10px; }
    .am-platform-nav-icon { width: 36px; height: 36px; }
    .am-platform-nav-text strong { font-size: 13px; }
}

@media (max-width: 960px) {
    .am-header {
        backdrop-filter: none;
        -webkit-backdrop-filter: none;
        background: #fff;
        z-index: 1401;
    }

    .am-page-home .am-header.is-hero-mode {
        background: transparent;
    }

    body.am-page-home.am-nav-open .am-header {
        background: #fff;
        border-bottom-color: var(--am-border);
    }

    body.am-page-home.am-nav-open .am-header .am-nav-toggle {
        border-color: var(--am-border);
        background: #fff;
    }

    body.am-page-home.am-nav-open .am-header .am-nav-toggle span {
        background: var(--am-black);
    }

    .am-header-bar {
        position: relative;
        z-index: 2;
    }

    .am-nav-toggle {
        display: flex;
        position: relative;
        z-index: 1402;
    }

    .am-nav-layer {
        position: fixed;
        top: var(--am-header-h);
        left: 0;
        right: 0;
        bottom: 0;
        z-index: 1400;
        pointer-events: none;
        flex: none;
        display: block;
    }

    body.am-nav-open .am-nav-layer {
        pointer-events: auto;
    }

    body.am-nav-open .am-nav-layer[aria-hidden="false"] {
        pointer-events: auto;
    }

    .am-nav-backdrop {
        display: block;
        position: fixed;
        inset: 0;
        top: var(--am-header-h);
        background: rgba(22, 24, 35, 0.45);
        opacity: 0;
        visibility: hidden;
        transition: opacity .28s ease, visibility .28s ease;
    }

    body.am-page-home .am-nav-backdrop {
        top: 0;
        background: rgba(22, 24, 35, 0.52);
    }

    body.am-nav-open .am-nav-backdrop {
        opacity: 1;
        visibility: visible;
    }

    .am-nav-wrap {
        position: fixed;
        left: 0;
        right: 0;
        top: var(--am-header-h);
        bottom: 0;
        background: #fff;
        padding: 8px clamp(20px, 4vw, 48px) calc(24px + env(safe-area-inset-bottom, 0px));
        opacity: 0;
        visibility: hidden;
        transform: translateX(8px);
        transition: opacity .28s ease, visibility .28s ease, transform .28s ease;
        overflow-y: auto;
        overscroll-behavior: contain;
        -webkit-overflow-scrolling: touch;
        box-shadow: -8px 0 32px rgba(22, 24, 35, 0.08);
        z-index: 1;
    }

    .am-nav-wrap.is-open {
        opacity: 1;
        visibility: visible;
        transform: translateX(0);
    }

    body.am-nav-open {
        overflow: hidden;
        touch-action: none;
    }

    body.am-nav-open .am-page-hero,
    body.am-nav-open .am-platform-nav,
    body.am-nav-open .am-section,
    body.am-nav-open .am-quicknav {
        pointer-events: none;
    }

    .am-nav {
        flex-direction: column;
        align-items: stretch;
        gap: 0;
        width: 100%;
        padding: 4px 0 8px;
    }

    .am-nav li {
        width: 100%;
        border-bottom: 1px solid var(--am-border);
    }

    .am-nav li:last-child {
        border-bottom: none;
    }

    .am-nav-cta-item {
        margin-top: 8px;
        padding-top: 0;
        border-bottom: none !important;
    }

    .am-nav a {
        display: block;
        padding: 16px 4px;
        font-size: 17px;
        background: #fff;
    }

    .am-nav-cta {
        text-align: left;
        display: block;
        padding: 16px 4px !important;
        background: transparent !important;
        border: none !important;
        border-radius: 0;
        color: var(--am-orange) !important;
        font-size: 17px;
        font-weight: 600;
        transform: none;
    }

    .am-nav-cta:hover {
        background: transparent !important;
        color: var(--am-orange-dark) !important;
        transform: none;
    }
}

@media (max-width: 768px) {
    .am-module-head-row {
        flex-wrap: wrap;
        gap: 10px;
    }
    .am-diagram-hint {
        margin-top: 0;
    }
    .am-section-head { margin-bottom: 40px; }
    .am-grid-4,
    .am-grid-2x2,
    .am-insight-grid,
    .am-model-nodes,
    .am-eco-grid,
    .am-partner-grid,
    .am-support-grid,
    .am-module-showcase-grid,
    .am-module-showcase-grid--quad,
    .am-module-showcase-grid--eco,
    .am-centers-showcase-grid,
    .am-centers-showcase-grid--quad {
        grid-template-columns: 1fr;
    }
    .am-eco-loop-flow {
        grid-template-columns: 1fr;
        gap: 0;
    }
    .am-eco-loop-connector {
        min-height: 28px;
        padding: 4px 0;
    }
    .am-eco-loop-connector span {
        width: 2px;
        height: 100%;
        min-height: 20px;
        margin: 0 auto;
        background: linear-gradient(180deg, rgba(225, 106, 14, 0.25), var(--am-orange));
    }
    .am-eco-loop-connector span::after {
        right: auto;
        top: auto;
        bottom: -1px;
        left: 50%;
        transform: translateX(-50%) rotate(135deg);
    }
    .am-eco-loop-wins {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }
    .am-values-grid--five {
        grid-template-columns: 1fr;
    }
    .am-values-grid--five .am-value-item:nth-child(n) {
        grid-column: auto;
    }
    .am-strategy-pillars { grid-template-columns: 1fr; }
    .am-strategy-union {
        flex-direction: column;
        gap: 12px;
    }
    .am-strategy-union-line {
        width: min(160px, 60%);
        flex: none;
    }
    .am-centers-grid,
    .am-capability-grid,
    .am-strategy-grid,
    .am-loop-grid { grid-template-columns: 1fr; }
    .am-vi-color-grid { grid-template-columns: 1fr; }
    .am-contact-grid { grid-template-columns: 1fr; gap: 32px; }
    .am-stats { grid-template-columns: 1fr 1fr; }
    .am-footer-top { grid-template-columns: 1fr; gap: 32px; }
    .am-footer-bottom { flex-direction: column; gap: 12px; text-align: center; }
    .am-slogan-list { flex-direction: column; align-items: center; }
    .am-quicknav .am-wrap { grid-template-columns: 1fr; }
    .am-quicknav-item { border-right: none; border-bottom: 1px solid var(--am-border); min-height: 80px; }
    .am-quicknav-item:last-child { border-bottom: none; }
    .am-home-assets-grid,
    .am-home-eco-entities,
    .am-home-eco-loops { grid-template-columns: 1fr; }
    .am-home-asset-card--lead { grid-column: auto; }
    .am-ops-settle-grid,
    .am-ops-landing-grid,
    .am-ops-loop-grid { grid-template-columns: 1fr; }
    .am-capability-grid--quad,
    .am-ai-actors-grid,
    .am-ai-bigdata-grid,
    .am-ai-trust-list { grid-template-columns: 1fr; }
    .am-ops-settle-card--lead { grid-column: auto; }
    .am-partner-phase-grid,
    .am-partner-role-grid,
    .am-partner-support-grid,
    .am-partner-duties-grid { grid-template-columns: 1fr; }
    .am-partner-coverage-steps li:not(:last-child)::after { display: none; }
    .am-vision-band-inner { grid-template-columns: 1fr; gap: 36px; }
    .am-vision-band-body { border-left: none; padding-left: 0; border-top: 1px solid rgba(255,255,255,.18); padding-top: 32px; }
    .am-page-hero h1 { max-width: none; }
    .am-platform-nav { margin-top: -20px; }
    .am-platform-nav-link {
        flex-direction: column;
        align-items: center;
        text-align: center;
        min-width: 104px;
        min-height: auto;
        padding: 12px 8px;
        gap: 8px;
    }
    .am-platform-nav-text small { display: none; }
    .am-platform-nav-text strong { font-size: 12px; white-space: normal; }
    .am-cms-layout { grid-template-columns: 1fr; }
    .am-cms-sidebar { position: static; }
}

/* ── CMS 栏目 / 文章页 ── */
.am-cms-section {
    padding-top: 48px;
}

.am-breadcrumb {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 8px;
    margin-top: 20px;
    font-size: 14px;
    color: rgba(255, 255, 255, 0.78);
}

.am-breadcrumb a {
    color: rgba(255, 255, 255, 0.92);
}

.am-breadcrumb a:hover {
    color: #fff;
}

.am-breadcrumb-sep {
    opacity: 0.55;
}

.am-cms-layout {
    display: grid;
    grid-template-columns: minmax(0, 1fr) 320px;
    gap: 48px;
    align-items: start;
}

.am-cms-main {
    min-width: 0;
}

.am-cms-sidebar {
    position: sticky;
    top: calc(var(--am-header-h) + 24px);
}

.am-cms-main .hentry {
    margin: 0 0 40px;
    padding-bottom: 40px;
    border-bottom: 1px solid var(--am-border);
}

.am-cms-main .hentry:last-child {
    margin-bottom: 0;
    padding-bottom: 0;
    border-bottom: none;
}

.am-cms-main .post-media {
    margin-bottom: 24px;
    border-radius: var(--am-radius);
    overflow: hidden;
}

.am-cms-main .post-media img {
    display: block;
    width: 100%;
    height: auto;
}

.am-cms-main .post-title,
.am-cms-main .post-title-inner {
    font-size: clamp(22px, 3vw, 30px);
    font-weight: 600;
    line-height: 1.35;
    margin: 0 0 16px;
    color: var(--am-black);
}

.am-cms-main .post-title a:hover {
    color: var(--am-orange);
}

.am-cms-main .post-content,
.am-cms-main .post-excerpt {
    font-size: 16px;
    line-height: 1.85;
    color: var(--am-gray);
}

.am-cms-main .post-content img {
    max-width: 100%;
    height: auto;
    border-radius: var(--am-radius-sm);
}

.am-cms-main .post-content p {
    margin: 0 0 1em;
}

.am-cms-main .post-read-more {
    margin-top: 20px;
}

.am-cms-main .post-link a {
    display: inline-flex;
    align-items: center;
    padding: 10px 18px;
    border-radius: 999px;
    background: var(--am-orange-soft);
    color: var(--am-orange);
    font-size: 14px;
    font-weight: 500;
}

.am-cms-main .post-link a:hover {
    background: var(--am-orange);
    color: #fff;
}

.am-cms-main .article-attachment {
    margin-top: 32px;
}

.am-cms-main .article-attachment .list-group-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    padding: 14px 16px;
    margin-bottom: 8px;
    border: 1px solid var(--am-border);
    border-radius: var(--am-radius-sm);
    color: var(--am-black);
}

.am-cms-main .article-attachment .list-group-item:hover {
    border-color: var(--am-orange);
    color: var(--am-orange);
}

.am-cms-sidebar .widget {
    border: 1px solid var(--am-border);
    border-radius: var(--am-radius);
    padding: 24px;
    background: var(--am-gray-light);
}

.am-cms-sidebar .widget-title {
    margin: 0 0 20px;
    font-size: 18px;
    font-weight: 600;
    color: var(--am-black);
}

.am-cms-sidebar .recent-news {
    list-style: none;
    margin: 0;
    padding: 0;
}

.am-cms-sidebar .recent-news li {
    display: grid;
    grid-template-columns: 72px minmax(0, 1fr);
    gap: 14px;
    padding: 14px 0;
    border-bottom: 1px solid var(--am-border);
}

.am-cms-sidebar .recent-news li:last-child {
    border-bottom: none;
    padding-bottom: 0;
}

.am-cms-sidebar .recent-news li:first-child {
    padding-top: 0;
}

.am-cms-sidebar .recent-news .thumb img {
    display: block;
    width: 72px;
    height: 72px;
    object-fit: cover;
    border-radius: var(--am-radius-sm);
}

.am-cms-sidebar .recent-news h3 {
    margin: 0;
    font-size: 14px;
    line-height: 1.5;
    font-weight: 500;
}

.am-cms-sidebar .recent-news h3 a:hover {
    color: var(--am-orange);
}