:root {
    --about-panel: rgba(8, 20, 36, 0.78);
    --about-panel-strong: rgba(10, 24, 43, 0.92);
    --about-line: rgba(255, 219, 162, 0.16);
    --about-line-strong: rgba(255, 219, 162, 0.26);
    --about-text: #f7f3ea;
    --about-soft: rgba(247, 243, 234, 0.78);
    --about-faint: rgba(247, 243, 234, 0.58);
    --about-accent: #f5c77b;
    --about-cyan: #8bdcff;
    --about-rose: #d94d5c;
    --about-shadow: 0 24px 54px rgba(0, 0, 0, 0.22);
    --about-shadow-soft: 0 18px 38px rgba(0, 0, 0, 0.18);
}

html {
    scroll-behavior: smooth;
}

* {
    box-sizing: border-box;
}

body {
    margin: 0;
    font-family: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
    background:
        radial-gradient(circle at 12% 6%, rgba(217, 77, 92, 0.18), transparent 26%),
        radial-gradient(circle at 84% 4%, rgba(139, 220, 255, 0.13), transparent 28%),
        radial-gradient(circle at 50% 0%, rgba(245, 199, 123, 0.1), transparent 34%),
        linear-gradient(180deg, #08111d 0%, #091625 35%, #07111c 100%);
    color: var(--about-text);
}

body::before {
    content: "";
    position: fixed;
    inset: 0;
    pointer-events: none;
    background-image:
        linear-gradient(rgba(255, 255, 255, 0.025) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255, 255, 255, 0.025) 1px, transparent 1px);
    background-size: 24px 24px;
    mask-image: linear-gradient(180deg, rgba(0, 0, 0, 0.5), transparent 88%);
    opacity: 0.35;
}

.about-main {
    padding: 32px 0 52px;
}

.about-wrap {
    display: grid;
    gap: 20px;
}

.about-panel {
    position: relative;
    overflow: hidden;
    border: 1px solid var(--about-line);
    border-radius: 24px;
    background: var(--about-panel);
    box-shadow: var(--about-shadow);
    backdrop-filter: blur(16px);
}

.about-panel::after {
    content: "";
    position: absolute;
    left: 18px;
    right: 18px;
    top: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.28), transparent);
    pointer-events: none;
}

.about-panel::before {
    content: "";
    position: absolute;
    inset: 0;
    pointer-events: none;
    background: linear-gradient(180deg, rgba(255, 255, 255, 0.04), transparent 26%);
}

.about-hero {
    overflow: hidden;
}

.about-hero::after {
    content: "";
    position: absolute;
    right: -80px;
    top: -80px;
    width: 220px;
    height: 220px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(245, 199, 123, 0.18), transparent 68%);
    pointer-events: none;
}

.about-hero-grid {
    display: grid;
    grid-template-columns: minmax(0, 1.38fr) minmax(320px, 1fr);
    gap: 22px;
    padding: 34px;
    align-items: stretch;
}

.about-eyebrow {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 7px 12px;
    border-radius: 999px;
    border: 1px solid rgba(255, 218, 166, 0.26);
    background: linear-gradient(135deg, rgba(196, 30, 58, 0.16), rgba(244, 184, 96, 0.12));
    color: #ffe7c2;
    font-size: 12px;
    font-weight: 700;
    letter-spacing: 0;
}

.about-hero-copy {
    position: relative;
    z-index: 1;
}

.about-title {
    margin: 18px 0 12px;
    font-size: clamp(34px, 5.6vw, 58px);
    line-height: 1.02;
    letter-spacing: 0;
    max-width: 12.4em;
}

.about-lead {
    margin: 0;
    color: var(--about-soft);
    max-width: 48rem;
    font-size: 15px;
    line-height: 1.95;
}

.about-hero-strips,
.about-actions,
.about-hero-points,
.about-tags,
.about-nav-chips,
.about-inline-actions,
.about-ai-overview-points,
.about-ai-prompts,
.about-faq-tags,
.about-contact-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}

.about-hero-strips,
.about-actions,
.about-hero-points {
    margin-top: 18px;
}

.about-hero-strip,
.about-hero-point,
.about-tag,
.about-chip,
.about-badge,
.about-ai-overview-point,
.about-ai-prompt,
.about-faq-tag,
.about-contact-tag {
    display: inline-flex;
    align-items: center;
    min-height: 34px;
    padding: 0 12px;
    border-radius: 999px;
}

.about-hero-strip,
.about-hero-point {
    border: 1px solid rgba(255, 255, 255, 0.1);
    color: rgba(255, 255, 255, 0.88);
    font-size: 12px;
}

.about-hero-strip {
    background: rgba(255, 255, 255, 0.05);
}

.about-hero-point {
    background: rgba(255, 255, 255, 0.04);
}

.about-hero-strip strong {
    margin-right: 6px;
    color: #fff;
    font-weight: 700;
}

.about-action {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 42px;
    padding: 0 16px;
    border-radius: 999px;
    text-decoration: none;
    border: 1px solid rgba(255, 255, 255, 0.12);
    background: rgba(255, 255, 255, 0.05);
    color: #fff;
    font-weight: 700;
    transition: transform 0.18s ease, border-color 0.18s ease, background 0.18s ease, box-shadow 0.18s ease;
}

.about-action:focus-visible,
.about-chip:focus-visible,
.about-ai-prompt:focus-visible,
.about-card-item a:focus-visible,
.about-faq-search:focus-visible,
.about-faq-item summary:focus-visible {
    outline: 2px solid rgba(245, 199, 123, 0.92);
    outline-offset: 3px;
}

.about-action:hover,
.about-chip:hover,
.about-chip.active,
.about-ai-prompt:hover,
.about-card-item:hover,
.about-ai-card:hover,
.about-stat:hover,
.about-fact:hover {
    transform: translateY(-2px);
}

.about-action:hover {
    border-color: rgba(245, 199, 123, 0.28);
    box-shadow: var(--about-shadow-soft);
}

.about-action.primary {
    border-color: rgba(255, 218, 166, 0.4);
    background: linear-gradient(135deg, rgba(196, 30, 58, 0.34), rgba(244, 184, 96, 0.28));
}

.about-stats,
.about-facts,
.about-profile-metrics,
.about-grid,
.about-ai-grid,
.about-journey-list,
.about-trust-list,
.about-hero-note-list,
.about-principles,
.about-checklist,
.about-faq,
.about-faq-tools {
    display: grid;
}

.about-stats {
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 12px;
    margin-top: 18px;
}

.about-stat,
.about-fact,
.about-card-item,
.about-ai-card,
.about-profile-metric,
.about-journey-step,
.about-checklist-item,
.about-faq-item {
    border: 1px solid rgba(255, 255, 255, 0.08);
    background: rgba(255, 255, 255, 0.04);
}

.about-stat,
.about-fact,
.about-profile-metric,
.about-journey-step {
    border-radius: 18px;
}

.about-card-item,
.about-ai-card,
.about-faq-item {
    border-radius: 20px;
}

.about-stat {
    position: relative;
    overflow: hidden;
    padding: 16px 14px 13px;
    transition: transform 0.18s ease, border-color 0.18s ease, background 0.18s ease;
}

.about-stat::before,
.about-story-card::before,
.about-journey::before,
.about-ai-overview::before,
.about-card-item::before,
.about-faq-intro::before,
.about-contact-band::before {
    content: "";
    position: absolute;
    inset: 0;
    pointer-events: none;
    background: linear-gradient(180deg, rgba(255, 255, 255, 0.05), transparent 36%);
}

.about-stat:hover {
    border-color: rgba(245, 199, 123, 0.18);
    background: rgba(255, 255, 255, 0.055);
}

.about-stat strong {
    position: relative;
    display: block;
    font-size: 24px;
    color: #fff;
}

.about-stat span,
.about-fact span,
.about-profile-metric span,
.about-footer-note,
.about-nav-kicker {
    color: var(--about-faint);
    font-size: 12px;
}

.about-stat span {
    position: relative;
    display: block;
    margin-top: 5px;
    line-height: 1.6;
}

.about-stat em {
    position: relative;
    display: block;
    margin-top: 4px;
    color: rgba(247, 243, 234, 0.72);
    font-size: 12px;
    font-style: normal;
    line-height: 1.45;
}

.about-hero-note-card,
.about-story-card,
.about-journey,
.about-trust-panel,
.about-ai-overview,
.about-faq-intro,
.about-contact-band,
.about-inline-note,
.about-profile-note {
    position: relative;
    overflow: hidden;
    border-radius: 22px;
}

.about-hero-note-card {
    margin-top: 18px;
    padding: 18px 18px 16px;
    border: 1px solid rgba(255, 218, 166, 0.14);
    background:
        radial-gradient(circle at right top, rgba(245, 199, 123, 0.12), transparent 30%),
        linear-gradient(180deg, rgba(255, 255, 255, 0.05), rgba(255, 255, 255, 0.02));
}

.about-hero-note-card h3,
.about-story-card h3,
.about-journey h3,
.about-trust-head h3,
.about-ai-overview h3,
.about-faq-intro h3,
.about-contact-band h3 {
    margin: 0;
    color: #fff;
    font-size: 20px;
}

.about-hero-note-card p,
.about-story-card p,
.about-trust-head p,
.about-trust-card p,
.about-ai-overview p,
.about-faq-intro p,
.about-contact-band p,
.about-profile p,
.about-card-item p,
.about-ai-card p,
.about-principle-body p,
.about-journey-step p,
.about-faq-item p,
.about-section-note,
.about-inline-note,
.about-profile-note {
    color: var(--about-soft);
    line-height: 1.8;
}

.about-hero-note-card p {
    margin: 8px 0 0;
    font-size: 14px;
}

.about-hero-note-list {
    gap: 8px;
    margin-top: 14px;
}

.about-hero-note-item {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    color: rgba(255, 255, 255, 0.88);
    font-size: 13px;
    line-height: 1.7;
}

.about-hero-note-item::before,
.about-profile-kicker::before {
    content: "";
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: linear-gradient(135deg, #f5c77b, #f29d62);
    box-shadow: 0 0 10px rgba(245, 199, 123, 0.4);
}

.about-hero-note-item::before {
    margin-top: 7px;
    flex: 0 0 auto;
}

.about-profile {
    display: grid;
    align-content: start;
    gap: 20px;
    padding: 28px;
    background:
        radial-gradient(circle at top right, rgba(245, 199, 123, 0.22), transparent 34%),
        radial-gradient(circle at left bottom, rgba(139, 220, 255, 0.14), transparent 34%),
        linear-gradient(145deg, rgba(255, 255, 255, 0.08), rgba(255, 255, 255, 0.02)),
        var(--about-panel-strong);
}

.about-profile::after {
    content: "";
    position: absolute;
    inset: auto -40px -70px auto;
    width: 180px;
    height: 180px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(242, 157, 98, 0.16), transparent 70%);
    pointer-events: none;
}

.about-profile-top {
    display: grid;
    grid-template-columns: minmax(150px, 220px) minmax(0, 1fr);
    gap: 20px;
    align-items: center;
}

.about-avatar-shell {
    position: relative;
    width: min(100%, 220px);
    padding: 10px;
    border-radius: 34px;
    background:
        radial-gradient(circle at 50% 0%, rgba(255, 255, 255, 0.22), transparent 44%),
        linear-gradient(145deg, rgba(255, 236, 202, 0.3), rgba(255, 255, 255, 0.05)),
        rgba(255, 255, 255, 0.05);
    box-shadow:
        0 18px 34px rgba(0, 0, 0, 0.28),
        inset 0 1px 0 rgba(255, 255, 255, 0.16);
}

.about-avatar-shell::before {
    content: "";
    position: absolute;
    inset: 10px;
    border-radius: 26px;
    border: 1px solid rgba(255, 255, 255, 0.16);
    pointer-events: none;
}

.about-avatar {
    display: block;
    width: 100%;
    aspect-ratio: 1 / 1.08;
    height: auto;
    border-radius: 26px;
    object-fit: cover;
    object-position: center 20%;
    border: 1px solid rgba(255, 255, 255, 0.18);
    background: rgba(255, 255, 255, 0.06);
}

.about-profile-kicker {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    min-height: 32px;
    padding: 0 12px;
    border-radius: 999px;
    border: 1px solid rgba(255, 225, 177, 0.24);
    background: rgba(255, 255, 255, 0.04);
    color: #ffe5bc;
    font-size: 11px;
    font-weight: 700;
    letter-spacing: 0;
}

.about-profile h2 {
    margin: 16px 0 6px;
    font-size: clamp(30px, 3.4vw, 42px);
    line-height: 1.05;
    letter-spacing: 0;
}

.about-profile-role {
    margin: 0;
    color: #ffe1af;
    font-size: 14px;
    font-weight: 700;
    letter-spacing: 0;
    line-height: 1.7;
}

.about-profile-title-list {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-top: 12px;
}

.about-profile-title-list span {
    display: inline-flex;
    align-items: center;
    min-height: 30px;
    padding: 0 10px;
    border-radius: 999px;
    border: 1px solid rgba(139, 220, 255, 0.22);
    background: linear-gradient(135deg, rgba(139, 220, 255, 0.12), rgba(245, 199, 123, 0.08));
    color: rgba(247, 243, 234, 0.9);
    font-size: 12px;
    line-height: 1.4;
}

.about-profile-summary {
    margin-top: 14px;
    font-size: 15px;
    color: rgba(247, 243, 234, 0.84);
}

.about-profile-metrics {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 10px;
}

.about-profile-metric {
    padding: 14px 14px 12px;
    box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.05);
}

.about-profile-metric.is-copyable,
.about-card-item.is-copyable {
    cursor: pointer;
}

.about-profile-metric.is-copyable:focus-visible,
.about-card-item.is-copyable:focus-visible {
    outline: 2px solid rgba(245, 199, 123, 0.9);
    outline-offset: 3px;
}

.about-profile-metric.is-copyable:hover,
.about-card-item.is-copyable:hover {
    border-color: rgba(245, 199, 123, 0.28);
}

.about-profile-metric.is-copyable.is-copied,
.about-card-item.is-copyable.is-copied {
    border-color: rgba(139, 220, 255, 0.45);
    background: rgba(139, 220, 255, 0.1);
}

.about-profile-metric strong,
.about-fact strong,
.about-card-item h3,
.about-ai-card h3,
.about-principle-body h4,
.about-journey-step h4,
.about-section-head h2 {
    color: #fff;
}

.about-profile-metric strong,
.about-fact strong {
    display: block;
    margin-top: 6px;
    line-height: 1.45;
}

.about-fact strong {
    font-size: 16px;
}

.about-tag {
    border: 1px solid rgba(255, 255, 255, 0.14);
    background: rgba(255, 255, 255, 0.06);
    color: rgba(255, 255, 255, 0.86);
    font-size: 12px;
}

.about-profile-note,
.about-inline-note {
    padding: 16px 18px;
    border: 1px solid rgba(245, 199, 123, 0.16);
    background: linear-gradient(180deg, rgba(255, 223, 172, 0.08), rgba(255, 255, 255, 0.03));
}

.about-profile-copy .about-profile-note {
    margin: 14px 0 0;
    padding: 12px 13px;
    border-radius: 16px;
    font-size: 13px;
    line-height: 1.75;
}

.about-storyband {
    display: grid;
    grid-template-columns: minmax(0, 1.2fr) minmax(280px, 0.9fr);
    gap: 16px;
    margin-top: 18px;
}

.about-author-credentials {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 12px;
    margin-top: 16px;
}

.about-author-credential {
    position: relative;
    overflow: hidden;
    min-height: 106px;
    padding: 16px 15px;
    border-radius: 20px;
    border: 1px solid rgba(255, 255, 255, 0.09);
    background:
        linear-gradient(160deg, rgba(255, 255, 255, 0.07), rgba(255, 255, 255, 0.025));
    box-shadow: var(--about-shadow-soft);
}

.about-author-credential::before {
    content: "";
    position: absolute;
    inset: 0;
    pointer-events: none;
    background: linear-gradient(135deg, rgba(245, 199, 123, 0.12), transparent 42%);
}

.about-author-credential span,
.about-author-credential strong {
    position: relative;
    display: block;
}

.about-author-credential span {
    color: var(--about-faint);
    font-size: 12px;
}

.about-author-credential strong {
    margin-top: 9px;
    color: #fff;
    font-size: 15px;
    line-height: 1.65;
}

.about-author-signature {
    position: relative;
    overflow: hidden;
    margin-top: 18px;
    padding: 18px;
    border-radius: 20px;
    border: 1px solid rgba(245, 199, 123, 0.18);
    background:
        linear-gradient(135deg, rgba(245, 199, 123, 0.12), rgba(139, 220, 255, 0.06)),
        rgba(7, 18, 32, 0.34);
}

.about-author-signature::before {
    content: "";
    position: absolute;
    left: 18px;
    top: 18px;
    bottom: 18px;
    width: 3px;
    border-radius: 999px;
    background: linear-gradient(180deg, var(--about-accent), var(--about-cyan));
}

.about-author-signature span,
.about-author-signature p,
.about-author-signature strong,
.about-author-signature em {
    position: relative;
    display: block;
    margin-left: 16px;
}

.about-author-signature span {
    color: #ffe1af;
    font-size: 12px;
    font-weight: 700;
}

.about-author-signature p {
    margin-top: 8px;
    color: rgba(247, 243, 234, 0.88);
    font-size: 15px;
    line-height: 1.9;
}

.about-author-signature strong {
    margin-top: 14px;
    color: #fff;
    font-size: 18px;
}

.about-author-signature em {
    margin-top: 4px;
    color: var(--about-faint);
    font-size: 13px;
    font-style: normal;
    line-height: 1.6;
}

.about-story-card,
.about-journey,
.about-ai-overview {
    padding: 20px;
    border: 1px solid rgba(255, 255, 255, 0.08);
    background: rgba(255, 255, 255, 0.04);
}

.about-story-card {
    background:
        radial-gradient(circle at top right, rgba(139, 220, 255, 0.12), transparent 30%),
        rgba(255, 255, 255, 0.04);
}

.about-story-card p,
.about-ai-overview p {
    margin: 0;
    position: relative;
    line-height: 1.9;
}

.about-principles {
    gap: 10px;
}

.about-principle {
    display: grid;
    grid-template-columns: 42px minmax(0, 1fr);
    gap: 12px;
    padding: 14px 0;
    border-top: 1px solid rgba(255, 255, 255, 0.08);
}

.about-principle:first-child {
    border-top: 0;
    padding-top: 0;
}

.about-principle-index {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 42px;
    height: 42px;
    border-radius: 14px;
    border: 1px solid rgba(255, 218, 166, 0.22);
    background: linear-gradient(135deg, rgba(196, 30, 58, 0.16), rgba(244, 184, 96, 0.14));
    color: #ffe5bc;
    font-size: 12px;
    font-weight: 700;
    letter-spacing: 0;
}

.about-principle-body p {
    margin: 7px 0 0;
    font-size: 14px;
}

.about-nav {
    position: sticky;
    top: 96px;
    z-index: 10;
    display: grid;
    gap: 12px;
    padding: 14px 16px;
    background: rgba(8, 20, 36, 0.86);
    backdrop-filter: blur(18px);
}

.about-nav-meta {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
}

.about-nav-meta strong {
    display: block;
    color: #fff;
    font-size: 15px;
    line-height: 1.4;
}

.about-nav-kicker {
    display: inline-flex;
    align-items: center;
    margin-bottom: 4px;
    font-weight: 700;
    letter-spacing: 0;
}

.about-nav-progress-text {
    display: inline-flex;
    align-items: center;
    min-height: 32px;
    padding: 0 12px;
    border-radius: 999px;
    border: 1px solid rgba(255, 255, 255, 0.1);
    background: rgba(255, 255, 255, 0.04);
    color: #ffe2b2;
    font-size: 12px;
    font-weight: 700;
    white-space: nowrap;
}

.about-chip {
    justify-content: center;
    text-decoration: none;
    color: var(--about-soft);
    border: 1px solid rgba(255, 255, 255, 0.08);
    background: rgba(255, 255, 255, 0.03);
    white-space: nowrap;
    transition: transform 0.18s ease, color 0.18s ease, border-color 0.18s ease, background 0.18s ease;
}

.about-chip.active,
.about-chip:hover {
    color: #fff;
    border-color: rgba(255, 221, 171, 0.75);
    background: linear-gradient(135deg, rgba(255, 203, 134, 0.22), rgba(255, 147, 103, 0.2));
}

.about-nav-progress {
    position: relative;
    height: 4px;
    border-radius: 999px;
    overflow: hidden;
    background: rgba(255, 255, 255, 0.08);
}

.about-nav-progress span {
    display: block;
    width: 0;
    height: 100%;
    border-radius: inherit;
    background: linear-gradient(90deg, rgba(245, 199, 123, 0.95), rgba(139, 220, 255, 0.95));
    box-shadow: 0 0 18px rgba(245, 199, 123, 0.28);
    transition: width 0.22s ease;
}

.about-section {
    padding: 24px;
    scroll-margin-top: 156px;
}

#about-author {
    background: radial-gradient(circle at top right, rgba(139, 220, 255, 0.08), transparent 30%), var(--about-panel);
}

#about-position {
    background: radial-gradient(circle at top left, rgba(245, 199, 123, 0.08), transparent 28%), var(--about-panel);
}

#about-capabilities {
    background: radial-gradient(circle at right center, rgba(196, 30, 58, 0.08), transparent 26%), var(--about-panel);
}

#about-ai {
    background: radial-gradient(circle at top left, rgba(139, 220, 255, 0.1), transparent 30%), var(--about-panel);
}

#about-faq {
    background: radial-gradient(circle at top right, rgba(244, 184, 96, 0.08), transparent 28%), var(--about-panel);
}

#about-contact {
    background: radial-gradient(circle at left bottom, rgba(139, 220, 255, 0.08), transparent 30%), var(--about-panel);
}

.about-section-head {
    display: flex;
    justify-content: space-between;
    gap: 16px;
    align-items: flex-start;
    margin-bottom: 16px;
}

.about-section-head > div:first-child {
    display: grid;
}

.about-section-index {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    align-self: flex-start;
    min-width: 48px;
    height: 30px;
    margin-bottom: 10px;
    padding: 0 10px;
    border-radius: 999px;
    border: 1px solid rgba(255, 218, 166, 0.22);
    background: rgba(255, 255, 255, 0.04);
    color: #ffe1af;
    font-size: 12px;
    font-weight: 700;
    letter-spacing: 0;
}

.about-section-kicker {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 10px;
    color: var(--about-accent);
    font-size: 12px;
    font-weight: 700;
    letter-spacing: 0;
}

.about-section-kicker::before {
    content: "";
    width: 22px;
    height: 1px;
    background: currentColor;
    opacity: 0.72;
}

.about-section-head h2 {
    margin: 0;
    font-size: 28px;
}

.about-section-note {
    margin: 8px 0 0;
    max-width: 42rem;
}

.about-badge {
    border: 1px solid rgba(255, 218, 166, 0.28);
    color: #ffe2b2;
    background: linear-gradient(135deg, rgba(196, 30, 58, 0.14), rgba(244, 184, 96, 0.12));
    font-size: 12px;
    font-weight: 700;
    white-space: nowrap;
}

.about-facts {
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 12px;
}

.about-fact {
    padding: 14px;
    transition: transform 0.18s ease, border-color 0.18s ease;
}

.about-fact:hover {
    border-color: rgba(245, 199, 123, 0.18);
}

.about-grid {
    gap: 14px;
}

.about-grid.two {
    grid-template-columns: repeat(2, minmax(0, 1fr));
}

.about-grid.three {
    grid-template-columns: repeat(3, minmax(0, 1fr));
}

.about-grid-top,
.about-journey,
.about-trust-panel,
.about-sponsor-card,
.about-inline-note,
.about-checklist,
.about-footer-note {
    margin-top: 16px;
}

.about-card-item,
.about-ai-card {
    position: relative;
    padding: 18px;
    transition: transform 0.18s ease, border-color 0.18s ease, background 0.18s ease, box-shadow 0.18s ease;
}

.about-card-item:hover,
.about-ai-card:hover {
    border-color: var(--about-line-strong);
    background: rgba(255, 255, 255, 0.055);
    box-shadow: var(--about-shadow-soft);
}

.about-card-item h3,
.about-ai-card h3,
.about-principle-body h4,
.about-journey-step h4 {
    margin: 0;
    font-size: 17px;
}

.about-card-item p,
.about-ai-card p {
    margin: 9px 0 0;
    font-size: 14px;
    overflow-wrap: anywhere;
}

.about-copy-hint {
    display: inline-block;
    margin-top: 10px;
    font-style: normal;
    font-size: 12px;
    font-weight: 700;
    color: var(--about-accent);
}

.about-card-item a {
    display: inline-block;
    margin-top: 10px;
    color: var(--about-accent);
    text-decoration: none;
    font-weight: 700;
}

.about-inline-actions {
    margin-top: 12px;
    gap: 8px;
}

.about-checklist {
    gap: 10px;
}

.about-checklist-item {
    position: relative;
    padding: 14px 14px 14px 44px;
    line-height: 1.8;
}

.about-checklist-item::before {
    position: absolute;
    left: 14px;
    top: 14px;
    color: var(--about-accent);
    font-size: 12px;
    font-weight: 700;
}

.about-checklist-item:nth-child(1)::before {
    content: "01";
}

.about-checklist-item:nth-child(2)::before {
    content: "02";
}

.about-checklist-item:nth-child(3)::before {
    content: "03";
}

.about-ai-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 14px;
}

.about-journey {
    background: radial-gradient(circle at top right, rgba(245, 199, 123, 0.12), transparent 28%), rgba(255, 255, 255, 0.04);
}

.about-trust-panel {
    position: relative;
    overflow: hidden;
    padding: 20px;
    border-radius: 22px;
    border: 1px solid rgba(139, 220, 255, 0.12);
    background:
        radial-gradient(circle at top right, rgba(139, 220, 255, 0.12), transparent 30%),
        rgba(255, 255, 255, 0.04);
}

.about-trust-head {
    display: grid;
    gap: 8px;
    max-width: 54rem;
}

.about-trust-head h3,
.about-trust-head p {
    margin: 0;
}

.about-trust-list {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 12px;
    margin-top: 16px;
}

.about-trust-card {
    position: relative;
    overflow: hidden;
    min-height: 150px;
    padding: 17px;
    border-radius: 20px;
    border: 1px solid rgba(255, 255, 255, 0.08);
    background: rgba(7, 18, 32, 0.42);
}

.about-trust-card::before {
    content: "";
    position: absolute;
    inset: 0;
    pointer-events: none;
    background: linear-gradient(180deg, rgba(255, 255, 255, 0.05), transparent 38%);
}

.about-trust-card span,
.about-trust-card h4,
.about-trust-card p {
    position: relative;
}

.about-trust-card span {
    display: inline-flex;
    align-items: center;
    min-height: 28px;
    padding: 0 10px;
    border-radius: 999px;
    border: 1px solid rgba(139, 220, 255, 0.18);
    background: rgba(139, 220, 255, 0.08);
    color: #d8f5ff;
    font-size: 12px;
    font-weight: 700;
}

.about-trust-card h4 {
    margin: 14px 0 0;
    color: #fff;
    font-size: 16px;
}

.about-trust-card p {
    margin: 8px 0 0;
    font-size: 14px;
}

.about-journey-list {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 12px;
}

.about-journey-step {
    padding: 16px;
    background: rgba(7, 18, 32, 0.44);
}

.about-journey-step span {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 36px;
    height: 28px;
    padding: 0 8px;
    border-radius: 999px;
    background: rgba(245, 199, 123, 0.14);
    color: #ffe1af;
    font-size: 11px;
    font-weight: 700;
    letter-spacing: 0;
}

.about-journey-step h4 {
    margin-top: 12px;
    font-size: 16px;
}

.about-journey-step p {
    margin: 8px 0 0;
    font-size: 14px;
    line-height: 1.75;
}

.about-ai-overview {
    margin-bottom: 16px;
    background: radial-gradient(circle at top left, rgba(139, 220, 255, 0.12), transparent 28%), rgba(255, 255, 255, 0.04);
}

.about-ai-overview-point {
    border: 1px solid rgba(139, 220, 255, 0.18);
    background: rgba(139, 220, 255, 0.08);
    color: #d8f5ff;
    font-size: 12px;
}

.about-ai-prompt {
    text-decoration: none;
    border: 1px solid rgba(245, 199, 123, 0.22);
    background: rgba(245, 199, 123, 0.08);
    color: #fff1d3;
    font-size: 13px;
    transition: transform 0.18s ease, border-color 0.18s ease, background 0.18s ease;
}

.about-ai-prompt:hover {
    border-color: rgba(245, 199, 123, 0.34);
    background: rgba(245, 199, 123, 0.14);
}

.about-ai-prompt.is-author {
    border-color: rgba(139, 220, 255, 0.22);
    background: rgba(139, 220, 255, 0.08);
    color: #d8f5ff;
}

.about-ai-prompt.is-author:hover {
    border-color: rgba(139, 220, 255, 0.34);
    background: rgba(139, 220, 255, 0.14);
}

.about-faq-intro,
.about-contact-band {
    margin-bottom: 16px;
    padding: 18px 20px;
    border: 1px solid rgba(255, 255, 255, 0.08);
    background: rgba(255, 255, 255, 0.04);
}

.about-faq-intro {
    background: radial-gradient(circle at top right, rgba(245, 199, 123, 0.12), transparent 30%), rgba(255, 255, 255, 0.04);
}

.about-contact-band {
    background: radial-gradient(circle at top left, rgba(139, 220, 255, 0.1), transparent 28%), rgba(255, 255, 255, 0.04);
}

.about-sponsor-card {
    position: relative;
    overflow: hidden;
    display: grid;
    grid-template-columns: minmax(0, 1fr) 190px;
    gap: 18px;
    align-items: center;
    padding: 22px;
    border-radius: 22px;
    border: 1px solid rgba(245, 199, 123, 0.18);
    background:
        radial-gradient(circle at top right, rgba(245, 199, 123, 0.16), transparent 30%),
        linear-gradient(135deg, rgba(245, 199, 123, 0.1), rgba(139, 220, 255, 0.05)),
        rgba(255, 255, 255, 0.04);
}

.about-sponsor-card::before {
    content: "";
    position: absolute;
    inset: 0;
    pointer-events: none;
    background: linear-gradient(180deg, rgba(255, 255, 255, 0.05), transparent 38%);
}

.about-sponsor-copy,
.about-sponsor-qr {
    position: relative;
}

.about-sponsor-copy span {
    display: inline-flex;
    align-items: center;
    min-height: 30px;
    padding: 0 11px;
    border-radius: 999px;
    border: 1px solid rgba(245, 199, 123, 0.2);
    background: rgba(245, 199, 123, 0.09);
    color: #ffe1af;
    font-size: 12px;
    font-weight: 700;
}

.about-sponsor-copy h3 {
    margin: 13px 0 0;
    color: #fff;
    font-size: 22px;
}

.about-sponsor-copy p {
    margin: 9px 0 0;
    color: var(--about-soft);
    line-height: 1.9;
}

.about-sponsor-copy em {
    display: block;
    margin-top: 12px;
    color: var(--about-accent);
    font-size: 13px;
    font-style: normal;
    font-weight: 700;
}

.about-sponsor-qr {
    justify-self: end;
    width: 190px;
    padding: 10px;
    border-radius: 20px;
    border: 1px solid rgba(255, 255, 255, 0.18);
    background: rgba(255, 255, 255, 0.9);
    box-shadow: var(--about-shadow-soft);
}

.about-sponsor-qr img {
    display: block;
    width: 100%;
    height: auto;
    border-radius: 14px;
}

.about-faq-tag {
    border: 1px solid rgba(245, 199, 123, 0.18);
    background: rgba(245, 199, 123, 0.08);
    color: #fff1d3;
    font-size: 12px;
}

.about-contact-tag {
    border: 1px solid rgba(139, 220, 255, 0.18);
    background: rgba(139, 220, 255, 0.08);
    color: #d8f5ff;
    font-size: 12px;
}

.about-faq {
    gap: 10px;
}

.about-faq-tools {
    gap: 12px;
    margin-bottom: 16px;
}

.about-faq-search {
    width: 100%;
    min-height: 48px;
    padding: 0 16px;
    border-radius: 16px;
    border: 1px solid rgba(255, 255, 255, 0.1);
    background: rgba(255, 255, 255, 0.05);
    color: #fff;
    font-size: 14px;
    outline: none;
    transition: border-color 0.18s ease, background 0.18s ease, box-shadow 0.18s ease;
}

.about-faq-search::placeholder {
    color: rgba(247, 243, 234, 0.46);
}

.about-faq-search:focus {
    border-color: rgba(245, 199, 123, 0.34);
    background: rgba(255, 255, 255, 0.07);
    box-shadow: 0 0 0 4px rgba(245, 199, 123, 0.08);
}

.about-faq-empty {
    display: none;
    padding: 16px 18px;
    border-radius: 18px;
    border: 1px dashed rgba(255, 255, 255, 0.14);
    background: rgba(255, 255, 255, 0.03);
    color: var(--about-soft);
    line-height: 1.8;
}

.about-faq-empty.is-visible {
    display: block;
}

.about-faq-item {
    overflow: hidden;
    transition: border-color 0.18s ease, background 0.18s ease;
}

.about-faq-item:hover {
    border-color: rgba(245, 199, 123, 0.18);
    background: rgba(255, 255, 255, 0.05);
}

.about-faq-item summary {
    cursor: pointer;
    padding: 15px 16px;
    list-style: none;
    font-weight: 700;
}

.about-faq-item summary::-webkit-details-marker {
    display: none;
}

.about-faq-item summary::after {
    content: "+";
    float: right;
    color: var(--about-accent);
    transition: transform 0.18s ease;
}

.about-faq-item[open] summary::after {
    content: "-";
    transform: scale(1.06);
}

.about-faq-item p {
    margin: 0;
    padding: 0 16px 16px;
}

.about-reveal {
    opacity: 0;
    transform: translateY(24px);
    transition:
        opacity 0.7s cubic-bezier(0.22, 1, 0.36, 1),
        transform 0.7s cubic-bezier(0.22, 1, 0.36, 1);
    transition-delay: var(--reveal-delay, 0ms);
}

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

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

@media (max-width: 980px) {
    .about-hero-grid,
    .about-ai-grid,
    .about-grid.two,
    .about-grid.three,
    .about-facts,
    .about-stats,
    .about-storyband,
    .about-journey-list,
    .about-trust-list,
    .about-sponsor-card,
    .about-author-credentials {
        grid-template-columns: 1fr;
    }

    .about-nav {
        top: 78px;
    }

    .about-profile-top {
        grid-template-columns: minmax(0, 190px) minmax(0, 1fr);
    }
}

@media (max-width: 640px) {
    .about-main {
        padding-top: 16px;
    }

    .about-nav-meta {
        align-items: flex-start;
        flex-direction: column;
    }

    .about-nav-chips {
        flex-wrap: nowrap;
        overflow-x: auto;
        padding-bottom: 4px;
        scrollbar-width: none;
    }

    .about-nav-chips::-webkit-scrollbar {
        display: none;
    }

    .about-hero-strips,
    .about-hero-points {
        gap: 8px;
    }

    .about-hero-strip {
        width: 100%;
        justify-content: center;
        text-align: center;
        min-height: 38px;
    }

    .about-hero-grid,
    .about-section {
        padding: 18px;
    }

    .about-title {
        max-width: none;
        font-size: 32px;
        line-height: 1.12;
    }

    .about-lead,
    .about-section-note,
    .about-story-card p,
    .about-card-item p,
    .about-ai-card p {
        font-size: 14px;
        line-height: 1.78;
    }

    .about-action {
        flex: 1 1 calc(50% - 8px);
        min-width: 132px;
    }

    .about-hero-note-card {
        padding: 16px;
    }

    .about-profile {
        padding: 20px;
        gap: 16px;
    }

    .about-profile-top,
    .about-profile-metrics,
    .about-author-credentials {
        grid-template-columns: 1fr;
    }

    .about-avatar-shell {
        width: min(100%, 240px);
        margin: 0 auto;
    }

    .about-sponsor-card {
        padding: 18px;
        text-align: center;
    }

    .about-sponsor-qr {
        justify-self: center;
        width: min(100%, 220px);
    }

    .about-profile-copy {
        text-align: center;
    }

    .about-tags {
        justify-content: center;
    }

    .about-section-head {
        display: block;
    }

    .about-badge {
        margin-top: 12px;
    }
}