/* ========== 关于页 — Flat SaaS ========== */

/* ---------- 01 页首 ---------- */
.a-hero { padding: clamp(56px, 7vw, 88px) 0 0; }
.a-hero-grid {
    display: grid;
    grid-template-columns: 1fr 340px;
    gap: 44px;
    align-items: center;
}
.a-company {
    display: inline-flex;
    font-size: 13px;
    font-weight: 600;
    color: var(--green-deep);
    background: var(--green-soft);
    border: 1px solid #a7f3d0;
    border-radius: 999px;
    padding: 6px 14px;
    margin-bottom: 18px;
}
.a-statement {
    font-family: var(--font-display);
    font-weight: 700;
    letter-spacing: -0.02em;
    line-height: 1.22;
    font-size: clamp(28px, 4vw, 44px);
    color: var(--ink);
    text-wrap: balance;
}
.a-statement em { font-style: normal; color: var(--navy); }
.a-lead {
    margin-top: 16px;
    font-size: 16px;
    line-height: 1.85;
    color: var(--ink-2);
    max-width: 560px;
}

.a-facts {
    display: flex;
    gap: 14px;
    margin-top: 30px;
    flex-wrap: wrap;
}
.fact-box {
    background: var(--card);
    border: 1px solid var(--line);
    border-radius: var(--radius);
    padding: 16px 22px;
    display: flex;
    flex-direction: column;
    gap: 2px;
    min-width: 120px;
}
.fact-key { font-size: 12px; color: var(--ink-3); }
.fact-val { font-family: var(--font-display); font-weight: 700; font-size: 26px; color: var(--navy); font-variant-numeric: tabular-nums; }

/* 侧栏年份卡 */
.a-hero-side { display: flex; justify-content: center; }
.est-card {
    width: 100%;
    background: var(--navy);
    border-radius: 20px;
    padding: 40px 30px;
    text-align: center;
    display: flex;
    flex-direction: column;
    gap: 6px;
}
.est-word { font-size: 12.5px; font-weight: 700; letter-spacing: 0.3em; color: #7dd3fc; }
.est-year { font-family: var(--font-display); font-weight: 700; font-size: 72px; line-height: 1.1; color: #fff; letter-spacing: -0.02em; }
.est-sub { font-size: 13px; color: #cbd5e1; }

/* ---------- 02 公司概述 ---------- */
.a-overview { padding: var(--space-sec) 0 0; }
.a-stats {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 14px;
    background: var(--card);
    border: 1px solid var(--line);
    border-radius: var(--radius);
    padding: 26px;
}
.a-stat { display: flex; flex-direction: column; gap: 4px; text-align: center; border-right: 1px solid var(--line); }
.a-stat:last-child { border-right: none; }
.a-stat-num { font-family: var(--font-display); font-weight: 700; font-size: 32px; color: var(--blue); letter-spacing: -0.01em; font-variant-numeric: tabular-nums; }
.a-stat-num sup { font-size: 0.55em; color: var(--ink-3); }
.a-stat-label { font-size: 12.5px; color: var(--ink-2); }

.a-ov-grid {
    margin-top: 44px;
    display: grid;
    grid-template-columns: 1fr 260px;
    gap: 40px;
    align-items: start;
}
.a-ov-text { display: flex; flex-direction: column; gap: 16px; }
.a-ov-text p { font-size: 15px; line-height: 1.9; color: var(--ink-2); }
.a-ov-text .a-ov-first { font-size: 17px; font-weight: 600; color: var(--ink); }
.a-ov-note {
    display: flex;
    gap: 12px;
    align-items: flex-start;
    background: var(--amber-soft);
    border: 1px solid #fde68a;
    border-radius: var(--radius);
    padding: 18px;
}
.note-icon {
    width: 34px; height: 34px;
    flex: none;
    display: flex; align-items: center; justify-content: center;
    background: var(--amber);
    color: #fff;
    border-radius: 9px;
    font-size: 14px;
}
.a-ov-note p { font-size: 13px; line-height: 1.7; color: var(--ink-2); }

/* ---------- 03 价值观 ---------- */
.a-values { padding: var(--space-sec) 0 0; }
.value-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
}
.value-card {
    background: var(--card);
    border: 1px solid var(--line);
    border-radius: var(--radius);
    padding: 26px;
    display: flex;
    flex-direction: column;
    gap: 12px;
    transition: border-color var(--t-fast), transform var(--t-fast);
}
.value-card:hover { border-color: var(--blue); transform: translateY(-3px); }
.value-top { display: flex; justify-content: space-between; align-items: center; }
.value-num { font-family: var(--font-display); font-size: 12.5px; font-weight: 700; color: var(--blue); background: var(--blue-soft); border-radius: 8px; padding: 3px 10px; }
.value-icon {
    width: 44px; height: 44px;
    display: flex; align-items: center; justify-content: center;
    background: var(--green-soft);
    color: var(--green);
    border-radius: 12px;
    font-size: 17px;
}
.value-card h3 { font-family: var(--font-display); font-size: 18px; font-weight: 600; color: var(--ink); }
.value-card p { font-size: 14px; line-height: 1.8; color: var(--ink-2); }

/* ---------- 04 成长足迹 ---------- */
.a-journey { padding: var(--space-sec) 0 0; }
.journey-rail {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 14px;
    position: relative;
}
.journey-rail::before {
    content: "";
    position: absolute;
    top: 27px; left: 6%; right: 6%;
    height: 2px;
    background: var(--line-strong);
}
.j-step { display: flex; flex-direction: column; gap: 14px; position: relative; z-index: 1; }
.j-year {
    font-family: var(--font-display);
    font-weight: 700;
    font-size: 22px;
    color: var(--ink-3);
    align-self: flex-start;
}
.j-step--now .j-year { color: var(--blue); }
.j-marker {
    width: 30px; height: 30px;
    display: flex; align-items: center; justify-content: center;
    background: var(--card);
    border: 2px solid var(--line-strong);
    border-radius: 50%;
    color: var(--ink-3);
    font-size: 11px;
}
.j-step--now .j-marker { background: var(--blue); border-color: var(--blue); color: #fff; }
.j-body {
    background: var(--card);
    border: 1px solid var(--line);
    border-radius: var(--radius);
    padding: 18px;
    display: flex;
    flex-direction: column;
    gap: 8px;
}
.j-body h3 { font-family: var(--font-display); font-size: 15.5px; font-weight: 600; color: var(--ink); display: flex; align-items: center; gap: 8px; flex-wrap: wrap; }
.j-now { font-size: 10.5px; font-weight: 700; color: var(--blue); background: var(--blue-soft); border-radius: 999px; padding: 2px 8px; }
.j-body p { font-size: 12.5px; line-height: 1.75; color: var(--ink-2); }

/* ---------- 05 联系方式 ---------- */
.a-contact { padding: var(--space-sec) 0 0; }
.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
}
.contact-card {
    background: var(--card);
    border: 1px solid var(--line);
    border-radius: var(--radius);
    padding: 24px;
    display: flex;
    flex-direction: column;
    gap: 14px;
}
.contact-row { display: flex; gap: 14px; align-items: flex-start; }
.c-icon {
    width: 40px; height: 40px;
    flex: none;
    display: flex; align-items: center; justify-content: center;
    background: var(--navy-soft);
    color: var(--navy);
    border-radius: 11px;
    font-size: 15px;
}
.c-body { display: flex; flex-direction: column; gap: 1px; }
.c-key { font-size: 12px; color: var(--ink-3); font-weight: 600; letter-spacing: 0.05em; }
.c-val { font-size: 15px; font-weight: 600; color: var(--ink); word-break: break-all; }

/* ---------- 06 CTA ---------- */
.a-cta { padding: var(--space-sec) 0; }
.a-cta-panel {
    background: var(--navy);
    border-radius: 20px;
    padding: clamp(36px, 5vw, 56px) clamp(28px, 4vw, 52px);
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 30px;
    flex-wrap: wrap;
}
.a-cta-text { display: flex; flex-direction: column; gap: 10px; }
.a-cta-kicker { font-size: 12px; font-weight: 700; letter-spacing: 0.22em; color: #7dd3fc; }
.a-cta-title { font-family: var(--font-display); font-weight: 700; font-size: clamp(24px, 3vw, 34px); color: #fff; }
.a-cta-title em { font-style: normal; color: #93c5fd; }
.a-cta-sub { font-size: 14.5px; color: #cbd5e1; }
.a-cta-actions { display: flex; gap: 14px; flex-wrap: wrap; }

/* ---------- 响应式 ---------- */
@media (max-width: 1024px) {
    .a-hero-grid { grid-template-columns: 1fr; }
    .a-hero-side { justify-content: flex-start; }
    .est-card { max-width: 340px; }
    .journey-rail { grid-template-columns: repeat(3, 1fr); }
    .journey-rail::before { display: none; }
    .a-stats { grid-template-columns: repeat(2, 1fr); gap: 20px; }
    .a-stat:nth-child(2) { border-right: none; }
}

@media (max-width: 768px) {
    .value-grid { grid-template-columns: 1fr; }
    .journey-rail { grid-template-columns: 1fr; }
    .a-ov-grid { grid-template-columns: 1fr; }
    .contact-grid { grid-template-columns: 1fr; }
    .a-cta-panel { flex-direction: column; align-items: flex-start; }
    .a-cta-actions .btn { width: 100%; }
    .a-stats { grid-template-columns: 1fr; }
    .a-stat { border-right: none; border-bottom: 1px solid var(--line); padding-bottom: 14px; }
    .a-stat:last-child { border-bottom: none; }
}