/* ==========================================================================
   企业级厚重设计层（Enterprise Gravitas）
   实底 · 密排 · 摄影 · 单一品牌色纪律 · 数据化
   ========================================================================== */

:root {
    --ent-ink: #0A1628;        /* 主文字：近黑海军蓝 */
    --ent-ink-2: #334155;      /* 次级文字 */
    --ent-ink-3: #64748B;      /* 辅助文字 */
    --ent-navy: #0A2540;       /* 品牌深色：实色块 */
    --ent-navy-2: #123A5E;     /* 深色块层次 */
    --ent-paper: #FFFFFF;      /* 主底色 */
    --ent-paper-2: #F5F7FA;    /* 交替底色 */
    --ent-line: #DDE3EA;       /* 分隔线 */
    --ent-gold: #B08D4F;       /* 唯一点缀色：香槟金 */
    --ent-gold-soft: #C9A96E;
}

/* ---- 基础排版 ---- */
.ent-zone { background: var(--ent-paper); color: var(--ent-ink); }
.ent-display {
    font-weight: 900;
    letter-spacing: -0.03em;
    line-height: 1.06;
    color: var(--ent-ink);
}
.ent-eyebrow {
    display: inline-flex;
    align-items: center;
    gap: 0.625rem;
    font-size: 0.75rem;
    font-weight: 700;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    color: var(--ent-gold);
    margin-bottom: 1.25rem;
}
.ent-eyebrow::before {
    content: '';
    width: 28px;
    height: 2px;
    background: var(--ent-gold);
}
.ent-eyebrow-no { color: var(--ent-ink-3); font-variant-numeric: tabular-nums; }
.ent-lead {
    font-size: clamp(1.0625rem, 1.4vw, 1.25rem);
    line-height: 1.85;
    color: var(--ent-ink-2);
    max-width: 44rem;
}
.ent-rule { height: 1px; background: var(--ent-line); border: 0; margin: 0; }

/* ---- Hero：全幅摄影 + 实色压字 ---- */
.ent-hero {
    position: relative;
    min-height: 92svh;
    display: flex;
    align-items: flex-end;
    overflow: hidden;
    background: var(--ent-navy);
}
.ent-hero-bg {
    position: absolute;
    inset: 0;
    background-size: cover;
    background-position: center 30%;
    transform: scale(1.04);
    animation: entHeroZoom 18s ease-out forwards;
}
@keyframes entHeroZoom {
    to { transform: scale(1); }
}
.ent-hero-veil {
    position: absolute;
    inset: 0;
    background:
        linear-gradient(180deg, rgba(10, 37, 64, 0.55) 0%, rgba(10, 37, 64, 0.78) 55%, rgba(10, 22, 40, 0.94) 100%),
        linear-gradient(90deg, rgba(10, 37, 64, 0.72) 0%, rgba(10, 37, 64, 0.35) 60%, transparent 100%);
}
.ent-hero-inner {
    position: relative;
    z-index: 2;
    width: 100%;
    padding: 8rem 0 0;
}
.ent-hero-title {
    font-size: clamp(2.5rem, 6.2vw, 5.25rem);
    font-weight: 900;
    letter-spacing: -0.035em;
    line-height: 1.04;
    color: #fff;
    max-width: 60rem;
    margin-bottom: 1.75rem;
    text-wrap: balance;
}
.ent-hero-title em {
    font-style: normal;
    color: var(--ent-gold-soft);
}
.ent-hero-sub {
    font-size: clamp(1rem, 1.35vw, 1.1875rem);
    line-height: 1.85;
    color: rgba(226, 232, 240, 0.82);
    max-width: 38rem;
    margin-bottom: 2.5rem;
}
.ent-hero-cta { display: flex; gap: 1rem; flex-wrap: wrap; }
.ent-btn-solid {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 1rem 2.25rem;
    background: var(--ent-gold);
    color: #1a1408;
    font-weight: 700;
    font-size: 1rem;
    border: 0;
    transition: background 0.25s ease, transform 0.25s ease;
}
.ent-btn-solid:hover { background: var(--ent-gold-soft); transform: translateY(-2px); }
.ent-btn-line {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 1rem 2rem;
    background: transparent;
    color: #fff;
    font-weight: 600;
    font-size: 1rem;
    border: 1px solid rgba(255, 255, 255, 0.35);
    transition: border-color 0.25s ease, background 0.25s ease;
}
.ent-btn-line:hover { border-color: #fff; background: rgba(255, 255, 255, 0.08); }

/* Hero 底部能力条（密度信号） */
.ent-hero-strip {
    position: relative;
    z-index: 2;
    margin-top: 4.5rem;
    border-top: 1px solid rgba(255, 255, 255, 0.18);
    display: grid;
    grid-template-columns: repeat(4, 1fr);
}
.ent-hero-strip-item {
    padding: 1.5rem 1.75rem 1.75rem;
    border-right: 1px solid rgba(255, 255, 255, 0.14);
}
.ent-hero-strip-item:last-child { border-right: 0; }
.ent-hero-strip-no {
    font-size: 0.6875rem;
    font-weight: 700;
    letter-spacing: 0.18em;
    color: var(--ent-gold-soft);
    margin-bottom: 0.5rem;
}
.ent-hero-strip-title { font-size: 1.0625rem; font-weight: 700; color: #fff; margin-bottom: 0.25rem; }
.ent-hero-strip-desc { font-size: 0.8125rem; line-height: 1.7; color: rgba(203, 213, 225, 0.65); }

/* ---- 能力带（白底密排四列）---- */
.ent-capability { padding: 5.5rem 0; }
.ent-capability-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    border-top: 2px solid var(--ent-ink);
}
.ent-capability-col {
    padding: 2.25rem 1.75rem 2.5rem;
    border-right: 1px solid var(--ent-line);
}
.ent-capability-col:last-child { border-right: 0; }
.ent-capability-no {
    font-size: 2.5rem;
    font-weight: 900;
    letter-spacing: -0.04em;
    color: var(--ent-line);
    line-height: 1;
    margin-bottom: 1.25rem;
    font-variant-numeric: tabular-nums;
}
.ent-capability-title {
    font-size: 1.25rem;
    font-weight: 800;
    color: var(--ent-ink);
    margin-bottom: 0.75rem;
    letter-spacing: -0.01em;
}
.ent-capability-desc {
    font-size: 0.875rem;
    line-height: 1.8;
    color: var(--ent-ink-3);
    margin-bottom: 1.25rem;
}
.ent-capability-list { list-style: none; padding: 0; margin: 0; }
.ent-capability-list li {
    font-size: 0.8125rem;
    line-height: 1.7;
    color: var(--ent-ink-2);
    padding: 0.5rem 0 0.5rem 1rem;
    border-top: 1px solid var(--ent-line);
    position: relative;
}
.ent-capability-list li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 1.05rem;
    width: 4px;
    height: 4px;
    background: var(--ent-gold);
}

/* ---- 深色叙事带 ---- */
.ent-arc {
    background: var(--ent-navy);
    color: #fff;
    padding: 6rem 0;
    position: relative;
    overflow: hidden;
}
.ent-arc::after {
    content: '';
    position: absolute;
    right: -8%;
    top: -20%;
    width: 480px;
    height: 480px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(176, 141, 79, 0.14), transparent 65%);
    pointer-events: none;
}
.ent-arc .ent-eyebrow { color: var(--ent-gold-soft); }
.ent-arc-title { font-size: clamp(1.875rem, 3.2vw, 2.75rem); font-weight: 900; letter-spacing: -0.03em; color: #fff; margin-bottom: 0.75rem; }
.ent-arc-sub { color: rgba(203, 213, 225, 0.7); margin-bottom: 3.5rem; }
.ent-arc-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 0; border-top: 1px solid rgba(255, 255, 255, 0.16); }
.ent-arc-cell { padding: 2.5rem 2rem 2.5rem 0; border-right: 1px solid rgba(255, 255, 255, 0.16); }
.ent-arc-cell:last-child { border-right: 0; padding-right: 0; }
.ent-arc-cell:not(:first-child) { padding-left: 2rem; }
.ent-arc-no {
    font-size: 3.5rem;
    font-weight: 900;
    letter-spacing: -0.05em;
    color: rgba(255, 255, 255, 0.14);
    line-height: 1;
    margin-bottom: 1.25rem;
    font-variant-numeric: tabular-nums;
}
.ent-arc-stage {
    display: inline-block;
    font-size: 0.6875rem;
    font-weight: 700;
    letter-spacing: 0.16em;
    color: var(--ent-gold-soft);
    border: 1px solid rgba(201, 169, 110, 0.4);
    padding: 0.25rem 0.625rem;
    margin-bottom: 1rem;
}
.ent-arc-name { font-size: 1.5rem; font-weight: 800; color: #fff; margin-bottom: 0.625rem; }
.ent-arc-desc { font-size: 0.9375rem; line-height: 1.85; color: rgba(203, 213, 225, 0.75); margin-bottom: 1.25rem; }
.ent-arc-link { font-size: 0.875rem; font-weight: 600; color: var(--ent-gold-soft); display: inline-flex; align-items: center; gap: 0.375rem; }
.ent-arc-link:hover { gap: 0.625rem; }
.ent-arc-link { transition: gap 0.25s ease; }

/* ---- 服务矩阵（白底 + 1px 网格，非浮动卡）---- */
.ent-matrix { padding: 6rem 0; background: var(--ent-paper); }
.ent-matrix-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    border-top: 2px solid var(--ent-ink);
    border-left: 1px solid var(--ent-line);
}
.ent-matrix-cell {
    padding: 2.5rem;
    border-right: 1px solid var(--ent-line);
    border-bottom: 1px solid var(--ent-line);
    transition: background 0.3s ease;
    display: block;
    text-decoration: none;
    color: inherit;
}
.ent-matrix-cell:hover { background: var(--ent-paper-2); }
.ent-matrix-head { display: flex; align-items: flex-start; justify-content: space-between; gap: 1.5rem; margin-bottom: 1.5rem; }
.ent-matrix-icon {
    width: 3rem;
    height: 3rem;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--ent-navy);
    color: #fff;
    font-size: 1.25rem;
    flex-shrink: 0;
}
.ent-matrix-no { font-size: 0.6875rem; font-weight: 700; letter-spacing: 0.18em; color: var(--ent-ink-3); font-variant-numeric: tabular-nums; }
.ent-matrix-title { font-size: 1.375rem; font-weight: 800; color: var(--ent-ink); margin-bottom: 0.875rem; letter-spacing: -0.015em; }
.ent-matrix-rows { display: grid; gap: 0.875rem; }
.ent-matrix-row { display: grid; grid-template-columns: 5.5rem 1fr; gap: 1rem; align-items: start; }
.ent-matrix-label {
    font-size: 0.6875rem;
    font-weight: 700;
    letter-spacing: 0.1em;
    color: var(--ent-ink-3);
    padding-top: 0.15rem;
}
.ent-matrix-value { font-size: 0.875rem; line-height: 1.75; color: var(--ent-ink-2); }
.ent-matrix-more {
    margin-top: 1.5rem;
    font-size: 0.875rem;
    font-weight: 700;
    color: var(--ent-navy);
    display: inline-flex;
    align-items: center;
    gap: 0.375rem;
}
.ent-matrix-cell:hover .ent-matrix-more { gap: 0.625rem; color: var(--ent-gold); }
.ent-matrix-more { transition: gap 0.25s ease, color 0.25s ease; }

/* ---- 数据与方法（交替浅底）---- */
.ent-data { padding: 6rem 0; background: var(--ent-paper-2); }
.ent-data-grid { display: grid; grid-template-columns: 0.85fr 1.15fr; gap: 4rem; align-items: center; }
.ent-data-figure {
    background: var(--ent-paper);
    border: 1px solid var(--ent-line);
    padding: 2rem 2rem 1.5rem;
}
.ent-data-figure-title {
    font-size: 0.75rem;
    font-weight: 700;
    letter-spacing: 0.14em;
    color: var(--ent-ink-3);
    margin-bottom: 1.5rem;
    text-transform: uppercase;
}
.ent-data-figure svg { width: 100%; height: auto; display: block; }
.ent-data-figure-note {
    margin-top: 1.25rem;
    padding-top: 1rem;
    border-top: 1px solid var(--ent-line);
    font-size: 0.75rem;
    color: var(--ent-ink-3);
    line-height: 1.7;
}
/* 方法四步 */
.ent-steps { display: grid; gap: 0; border-top: 2px solid var(--ent-ink); }
.ent-step {
    display: grid;
    grid-template-columns: 4.5rem 1fr auto;
    gap: 1.5rem;
    align-items: baseline;
    padding: 1.5rem 0;
    border-bottom: 1px solid var(--ent-line);
}
.ent-step-no {
    font-size: 1.75rem;
    font-weight: 900;
    letter-spacing: -0.04em;
    color: var(--ent-gold);
    font-variant-numeric: tabular-nums;
}
.ent-step-name { font-size: 1.125rem; font-weight: 800; color: var(--ent-ink); margin-bottom: 0.25rem; }
.ent-step-desc { font-size: 0.875rem; line-height: 1.75; color: var(--ent-ink-2); }
.ent-step-cycle {
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--ent-ink-3);
    white-space: nowrap;
    border: 1px solid var(--ent-line);
    padding: 0.25rem 0.625rem;
}

/* ---- 差异化图文 ---- */
.ent-beyond { padding: 6rem 0; background: var(--ent-paper); }
.ent-beyond-grid { display: grid; grid-template-columns: 1.05fr 0.95fr; gap: 4rem; align-items: center; }
.ent-beyond-title { font-size: clamp(1.75rem, 2.8vw, 2.5rem); font-weight: 900; letter-spacing: -0.03em; color: var(--ent-ink); margin-bottom: 1.25rem; line-height: 1.2; }
.ent-beyond-text { font-size: 1rem; line-height: 1.9; color: var(--ent-ink-2); margin-bottom: 1.75rem; }
.ent-beyond-points { display: grid; grid-template-columns: repeat(3, 1fr); border-top: 2px solid var(--ent-ink); }
.ent-beyond-point { padding: 1.25rem 1rem 0 0; }
.ent-beyond-point:not(:first-child) { padding-left: 1rem; border-left: 1px solid var(--ent-line); }
.ent-beyond-point-title { font-size: 0.9375rem; font-weight: 800; color: var(--ent-ink); margin-bottom: 0.25rem; }
.ent-beyond-point-desc { font-size: 0.75rem; color: var(--ent-ink-3); line-height: 1.7; }
.ent-beyond-media { position: relative; }
.ent-beyond-media img { width: 100%; display: block; }
.ent-beyond-media-tag {
    position: absolute;
    left: 0;
    bottom: 1.5rem;
    background: var(--ent-navy);
    color: #fff;
    padding: 1rem 1.5rem;
    max-width: 82%;
}
.ent-beyond-media-tag-title { font-size: 1rem; font-weight: 800; margin-bottom: 0.25rem; }
.ent-beyond-media-tag-desc { font-size: 0.75rem; color: rgba(203, 213, 225, 0.8); }

/* ---- CTA 实色带 ---- */
.ent-cta {
    background: var(--ent-navy);
    padding: 5.5rem 0;
    position: relative;
    overflow: hidden;
}
.ent-cta::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    width: 4px;
    height: 100%;
    background: var(--ent-gold);
}
.ent-cta-title { font-size: clamp(1.875rem, 3vw, 2.75rem); font-weight: 900; letter-spacing: -0.03em; color: #fff; margin-bottom: 1rem; }
.ent-cta-desc { color: rgba(203, 213, 225, 0.75); max-width: 40rem; margin-bottom: 2.25rem; line-height: 1.85; }
.ent-cta-row { display: flex; align-items: center; gap: 2rem; flex-wrap: wrap; }
.ent-cta-note { font-size: 0.8125rem; color: rgba(203, 213, 225, 0.55); }

/* ---- 滚动显现（克制）---- */
.ent-reveal { opacity: 0; transform: translateY(20px); transition: opacity 0.6s ease, transform 0.6s cubic-bezier(0.22, 1, 0.36, 1); }
.ent-reveal.is-visible { opacity: 1; transform: none; }

/* ---- 响应式 ---- */
@media (max-width: 1023px) {
    .ent-hero-strip { grid-template-columns: repeat(2, 1fr); }
    .ent-hero-strip-item:nth-child(2) { border-right: 0; }
    .ent-hero-strip-item:nth-child(-n+2) { border-bottom: 1px solid rgba(255, 255, 255, 0.14); }
    .ent-capability-grid { grid-template-columns: repeat(2, 1fr); }
    .ent-capability-col:nth-child(2) { border-right: 0; }
    .ent-capability-col:nth-child(-n+2) { border-bottom: 1px solid var(--ent-line); }
    .ent-arc-grid { grid-template-columns: 1fr; }
    .ent-arc-cell { border-right: 0; border-bottom: 1px solid rgba(255, 255, 255, 0.16); padding: 2rem 0; }
    .ent-arc-cell:not(:first-child) { padding-left: 0; }
    .ent-matrix-grid { grid-template-columns: 1fr; }
    .ent-data-grid, .ent-beyond-grid { grid-template-columns: 1fr; gap: 2.5rem; }
}
@media (max-width: 767px) {
    .ent-hero { min-height: 88svh; }
    .ent-hero-strip { grid-template-columns: 1fr; }
    .ent-hero-strip-item { border-right: 0; border-bottom: 1px solid rgba(255, 255, 255, 0.14); }
    .ent-capability-grid { grid-template-columns: 1fr; }
    .ent-capability-col { border-right: 0; border-bottom: 1px solid var(--ent-line); }
    .ent-matrix-cell { padding: 1.75rem; }
    .ent-matrix-row { grid-template-columns: 1fr; gap: 0.25rem; }
    .ent-step { grid-template-columns: 3rem 1fr; }
    .ent-step-cycle { grid-column: 2; justify-self: start; margin-top: 0.5rem; }
    .ent-beyond-points { grid-template-columns: 1fr; }
    .ent-beyond-point:not(:first-child) { padding-left: 0; border-left: 0; border-top: 1px solid var(--ent-line); }
}

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

/* ==========================================================================
   共享外壳：企业级导航 / 页脚（全局生效）
   ========================================================================== */

/* ---- 导航：白底实色 ---- */
.site-header { position: sticky; top: 0; z-index: 100; }
.header-nav {
    background: rgba(255, 255, 255, 0.97);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--ent-line);
    transition: box-shadow 0.3s ease;
}
.site-header.is-scrolled .header-nav { box-shadow: 0 1px 24px rgba(10, 22, 40, 0.08); }
.header-container { max-width: 1280px; margin: 0 auto; padding: 0 1.5rem; display: flex; align-items: center; justify-content: space-between; height: 72px; }
.header-brand { display: flex; align-items: center; gap: 0.75rem; text-decoration: none; }
.header-logo {
    width: 36px; height: 36px;
    display: flex; align-items: center; justify-content: center;
    background: var(--ent-navy);
    color: #fff;
    font-size: 1.125rem;
    font-weight: 800;
    border-radius: 4px;
}
.header-brand-text { display: flex; flex-direction: column; line-height: 1.2; }
.header-brand-text .brand-gradient-text {
    background: none;
    -webkit-text-fill-color: var(--ent-ink);
    color: var(--ent-ink);
    font-size: 1.0625rem;
    font-weight: 800;
    letter-spacing: -0.01em;
}
.header-brand-text span:last-child { color: var(--ent-ink-3) !important; font-size: 0.625rem; letter-spacing: 0.14em; }

.header-menu { display: flex; align-items: center; gap: 0.5rem; list-style: none; margin: 0; padding: 0; }
.header-menu-link {
    display: inline-flex;
    align-items: center;
    padding: 0.5rem 0.875rem;
    font-size: 0.9375rem;
    font-weight: 600;
    color: var(--ent-ink-2);
    text-decoration: none;
    position: relative;
    transition: color 0.2s ease;
}
.header-menu-link:hover { color: var(--ent-ink); }
.header-menu-link.is-active { color: var(--ent-ink); }
.header-menu-link.is-active::after {
    content: '';
    position: absolute;
    left: 0.875rem;
    right: 0.875rem;
    bottom: 0.125rem;
    height: 2px;
    background: var(--ent-gold);
}
.header-actions { display: flex; align-items: center; gap: 0.75rem; }
.header-login-link {
    display: inline-flex; align-items: center; gap: 0.375rem;
    font-size: 0.875rem; font-weight: 600; color: var(--ent-ink-2);
    text-decoration: none; padding: 0.5rem 0.75rem;
}
.header-login-link:hover { color: var(--ent-ink); }
.header-cta {
    background: var(--ent-navy) !important;
    color: #fff !important;
    padding: 0.625rem 1.25rem !important;
    font-size: 0.875rem !important;
    font-weight: 700 !important;
    border: 0 !important;
    box-shadow: none !important;
}
.header-cta:hover { background: var(--ent-gold) !important; color: #1a1408 !important; }

/* 下拉 */
.header-dropdown {
    position: absolute;
    top: calc(100% + 8px);
    left: 50%;
    transform: translateX(-50%) translateY(6px);
    min-width: 320px;
    background: #fff;
    border: 1px solid var(--ent-line);
    box-shadow: 0 24px 60px -12px rgba(10, 22, 40, 0.18);
    padding: 0.5rem;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.25s ease, transform 0.25s ease, visibility 0.25s;
}
.has-dropdown { position: relative; }
.has-dropdown:hover .header-dropdown { opacity: 1; visibility: visible; transform: translateX(-50%) translateY(0); }
.header-dropdown-item {
    display: flex; align-items: flex-start; gap: 0.875rem;
    padding: 0.75rem;
    text-decoration: none;
    transition: background 0.2s ease;
}
.header-dropdown-item:hover { background: var(--ent-paper-2); }
.header-dropdown-icon {
    width: 2.25rem; height: 2.25rem; flex-shrink: 0;
    display: flex; align-items: center; justify-content: center;
    background: var(--ent-navy); color: #fff; font-size: 1rem;
}
.header-dropdown-title { font-size: 0.9375rem; font-weight: 700; color: var(--ent-ink); }
.header-dropdown-desc { font-size: 0.75rem; color: var(--ent-ink-3); margin-top: 0.125rem; }
.header-menu-link .bi-chevron-down { transition: transform 0.25s ease; }
.has-dropdown:hover .header-menu-link .bi-chevron-down { transform: rotate(180deg); }

/* 移动端抽屉 */
.mobile-drawer { background: #fff; }
.mobile-drawer-header { border-bottom: 1px solid var(--ent-line); }
.mobile-drawer-link { color: var(--ent-ink-2); font-weight: 600; border-bottom: 1px solid var(--ent-line); }
.mobile-drawer-link:hover, .mobile-drawer-link:active { background: var(--ent-paper-2); color: var(--ent-ink); }
.mobile-drawer-sub a { color: var(--ent-ink-3); }
.mobile-drawer-footer { border-top: 1px solid var(--ent-line); }
.mobile-drawer-footer .glass-btn { background: var(--ent-navy) !important; color: #fff !important; box-shadow: none !important; }
.mobile-drawer-footer .glass-btn-outline { color: var(--ent-ink) !important; border-color: var(--ent-line) !important; }
.header-toggle .toggle-bar { background: var(--ent-ink); }
.mobile-overlay { background: rgba(10, 22, 40, 0.4); }

/* ---- 页脚：深蓝实底 ---- */
.footer { background: var(--ent-navy) !important; border: 0 !important; backdrop-filter: none !important; }
.footer-main { padding: 4.5rem 0 3.5rem; }
.footer-grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr 1.2fr; gap: 3rem; }
.footer-logo { display: flex; align-items: center; gap: 0.75rem; margin-bottom: 1.25rem; }
.footer-logo .navbar-logo { background: #fff; color: var(--ent-navy); }
.footer-logo-text { color: #fff; font-size: 1.125rem; font-weight: 800; }
.footer-desc { color: rgba(203, 213, 225, 0.7); font-size: 0.875rem; line-height: 1.85; margin-bottom: 1.5rem; }
.footer-socials { display: flex; gap: 0.625rem; }
.footer-social {
    width: 36px; height: 36px;
    display: flex; align-items: center; justify-content: center;
    border: 1px solid rgba(255, 255, 255, 0.22);
    color: rgba(226, 232, 240, 0.8);
    text-decoration: none;
    transition: border-color 0.25s ease, background 0.25s ease;
}
.footer-social:hover { border-color: var(--ent-gold); background: rgba(176, 141, 79, 0.15); }
.footer-title {
    color: #fff;
    font-size: 0.8125rem;
    font-weight: 700;
    letter-spacing: 0.16em;
    text-transform: uppercase;
    margin-bottom: 1.25rem;
    padding-bottom: 0.75rem;
    border-bottom: 1px solid rgba(255, 255, 255, 0.14);
}
.footer-links { list-style: none; margin: 0; padding: 0; }
.footer-links li {
    font-size: 0.875rem;
    line-height: 1.7;
    color: rgba(203, 213, 225, 0.72);
    padding: 0.4375rem 0;
    display: flex;
    align-items: flex-start;
    gap: 0.5rem;
}
.footer-links a { color: rgba(203, 213, 225, 0.72); text-decoration: none; transition: color 0.2s ease; }
.footer-links a:hover { color: #fff; }
.footer-links .text-primary { color: var(--ent-gold-soft) !important; }
.footer .glass-btn {
    background: var(--ent-gold) !important;
    color: #1a1408 !important;
    box-shadow: none !important;
    border: 0 !important;
    font-weight: 700 !important;
}
.footer-bottom { border-top: 1px solid rgba(255, 255, 255, 0.12); padding: 1.75rem 0; }
.footer-legal { color: rgba(148, 163, 184, 0.6); font-size: 0.75rem; }
.footer-records { display: flex; gap: 1.25rem; justify-content: center; margin-top: 0.75rem; }
.footer-records a { color: rgba(148, 163, 184, 0.6); font-size: 0.75rem; text-decoration: none; display: inline-flex; align-items: center; gap: 0.375rem; }
.footer-records a:hover { color: rgba(226, 232, 240, 0.9); }
.footer-bottom .text-gray-500 { color: rgba(148, 163, 184, 0.55) !important; }
.footer-bottom .text-gray-500:hover { color: #fff !important; }

/* ==========================================================================
   子页面组件：专题页（服务页）/ 文章页 / 列表页
   ========================================================================== */

/* ---- 专题页 Banner（深蓝实色 + 巨字）---- */
.topic-banner {
    position: relative;
    background: var(--ent-navy);
    color: #fff;
    padding: 6rem 0 5rem;
    overflow: hidden;
}
.topic-banner::after {
    content: '';
    position: absolute;
    right: -6%;
    top: -30%;
    width: 460px; height: 460px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(176, 141, 79, 0.13), transparent 65%);
    pointer-events: none;
}
.topic-banner .breadcrumb { margin-bottom: 1.75rem; }
.topic-banner .breadcrumb a { color: rgba(203, 213, 225, 0.65); }
.topic-banner .breadcrumb .active { color: #fff; }
.topic-banner .breadcrumb-item + .breadcrumb-item::before { color: rgba(203, 213, 225, 0.4); }
.topic-eyebrow {
    display: inline-flex; align-items: center; gap: 0.625rem;
    font-size: 0.75rem; font-weight: 700; letter-spacing: 0.2em;
    color: var(--ent-gold-soft); text-transform: uppercase; margin-bottom: 1.25rem;
}
.topic-eyebrow::before { content: ''; width: 28px; height: 2px; background: var(--ent-gold-soft); }
.topic-title {
    font-size: clamp(2.25rem, 5vw, 4rem);
    font-weight: 900; letter-spacing: -0.035em; line-height: 1.06;
    color: #fff; margin-bottom: 1.25rem; max-width: 52rem;
}
.topic-sub { font-size: clamp(1rem, 1.35vw, 1.1875rem); line-height: 1.85; color: rgba(226, 232, 240, 0.78); max-width: 40rem; margin-bottom: 2rem; }
.topic-meta { display: flex; align-items: center; gap: 1.25rem; flex-wrap: wrap; }
.topic-arc-badge {
    display: inline-flex; align-items: center; gap: 0.5rem;
    font-size: 0.8125rem; font-weight: 600;
    border: 1px solid rgba(201, 169, 110, 0.45);
    color: var(--ent-gold-soft);
    padding: 0.375rem 0.875rem;
}
.topic-banner .ent-btn-solid { background: var(--ent-gold); }

/* ---- 专题页主体 ---- */
.topic-section { padding: 5rem 0; }
.topic-section--alt { background: var(--ent-paper-2); }
.topic-section-head { margin-bottom: 3rem; }
.topic-section-title { font-size: clamp(1.5rem, 2.4vw, 2rem); font-weight: 900; letter-spacing: -0.025em; color: var(--ent-ink); margin-bottom: 0.625rem; }
.topic-section-sub { color: var(--ent-ink-3); }

/* 适合谁：四列密排 */
.topic-fit { display: grid; grid-template-columns: repeat(4, 1fr); border-top: 2px solid var(--ent-ink); }
.topic-fit-item { padding: 1.75rem 1.5rem 1.75rem 0; border-right: 1px solid var(--ent-line); }
.topic-fit-item:last-child { border-right: 0; }
.topic-fit-item:not(:first-child) { padding-left: 1.5rem; }
.topic-fit-no { font-size: 0.6875rem; font-weight: 700; letter-spacing: 0.16em; color: var(--ent-gold); margin-bottom: 0.75rem; }
.topic-fit-text { font-size: 0.9375rem; line-height: 1.8; color: var(--ent-ink-2); }

/* 工作步骤：编号横带 */
.topic-steps { border-top: 2px solid var(--ent-ink); }
.topic-step {
    display: grid; grid-template-columns: 5rem 1fr; gap: 2rem;
    padding: 2rem 0; border-bottom: 1px solid var(--ent-line);
    align-items: start;
}
.topic-step-no {
    font-size: 2.75rem; font-weight: 900; letter-spacing: -0.05em;
    color: var(--ent-line); line-height: 1; font-variant-numeric: tabular-nums;
}
.topic-step-name { font-size: 1.25rem; font-weight: 800; color: var(--ent-ink); margin-bottom: 0.5rem; }
.topic-step-desc { font-size: 0.9375rem; line-height: 1.85; color: var(--ent-ink-2); max-width: 46rem; }

/* 交付物 + 周期：密排双列 */
.topic-deliver { display: grid; grid-template-columns: 1.4fr 1fr; gap: 0; border-top: 2px solid var(--ent-ink); }
.topic-deliver-main { padding: 2.25rem 2.5rem 2.25rem 0; border-right: 1px solid var(--ent-line); }
.topic-deliver-side { padding: 2.25rem 0 2.25rem 2.5rem; }
.topic-deliver-label { font-size: 0.6875rem; font-weight: 700; letter-spacing: 0.16em; color: var(--ent-ink-3); text-transform: uppercase; margin-bottom: 1.25rem; }
.topic-deliver-list { list-style: none; margin: 0; padding: 0; }
.topic-deliver-list li {
    display: flex; align-items: center; gap: 0.75rem;
    font-size: 0.9375rem; font-weight: 600; color: var(--ent-ink-2);
    padding: 0.75rem 0; border-bottom: 1px solid var(--ent-line);
}
.topic-deliver-list li:last-child { border-bottom: 0; }
.topic-deliver-list .bi { color: var(--ent-gold); }
.topic-meta-value { font-size: 1.5rem; font-weight: 800; color: var(--ent-ink); letter-spacing: -0.02em; }
.topic-meta-note { font-size: 0.8125rem; color: var(--ent-ink-3); margin-top: 0.5rem; line-height: 1.7; }

/* FAQ */
.topic-faq { border-top: 2px solid var(--ent-ink); }
.topic-faq-item { border-bottom: 1px solid var(--ent-line); }
.topic-faq-q {
    width: 100%;
    display: flex; align-items: center; justify-content: space-between; gap: 1.5rem;
    padding: 1.5rem 0;
    background: none; border: 0; cursor: pointer; text-align: left;
    font-size: 1.0625rem; font-weight: 700; color: var(--ent-ink);
}
.topic-faq-q .bi { color: var(--ent-gold); transition: transform 0.3s ease; flex-shrink: 0; }
.topic-faq-item.is-open .topic-faq-q .bi { transform: rotate(180deg); }
.topic-faq-a { display: none; padding: 0 0 1.5rem; font-size: 0.9375rem; line-height: 1.9; color: var(--ent-ink-2); max-width: 46rem; }
.topic-faq-item.is-open .topic-faq-a { display: block; }

/* 专题页底部 CTA */
.topic-cta { background: var(--ent-navy); padding: 5rem 0; position: relative; overflow: hidden; }
.topic-cta::before { content: ''; position: absolute; left: 0; top: 0; width: 4px; height: 100%; background: var(--ent-gold); }

/* ---- 文章页：阅读栏 + 侧栏 ---- */
.article-layout { padding: 4.5rem 0 5.5rem; }
.article-grid { display: grid; grid-template-columns: minmax(0, 1fr) 320px; gap: 4rem; align-items: start; }
.article-head { border-bottom: 2px solid var(--ent-ink); padding-bottom: 2rem; margin-bottom: 2.5rem; }
.article-crumb { font-size: 0.75rem; font-weight: 700; letter-spacing: 0.16em; color: var(--ent-gold); text-transform: uppercase; margin-bottom: 1rem; }
.article-title { font-size: clamp(1.75rem, 3.2vw, 2.5rem); font-weight: 900; letter-spacing: -0.03em; line-height: 1.22; color: var(--ent-ink); margin-bottom: 1rem; }
.article-meta { display: flex; flex-wrap: wrap; gap: 1.5rem; font-size: 0.8125rem; color: var(--ent-ink-3); }
.article-meta span { display: inline-flex; align-items: center; gap: 0.375rem; }
.article-meta .bi { color: var(--ent-gold); }
.article-body { font-size: 1rem; line-height: 1.95; color: var(--ent-ink-2); }
.article-body h2, .article-body h3 { color: var(--ent-ink); font-weight: 800; letter-spacing: -0.015em; margin: 2rem 0 1rem; line-height: 1.35; }
.article-body h2 { font-size: 1.375rem; }
.article-body h3 { font-size: 1.125rem; }
.article-body p { margin-bottom: 1.25rem; }
.article-body a { color: var(--ent-navy); text-decoration: underline; text-decoration-color: var(--ent-gold); text-underline-offset: 3px; }
.article-body img { max-width: 100%; height: auto; }
.article-body ul, .article-body ol { padding-left: 1.25rem; margin-bottom: 1.25rem; }
.article-body li { margin-bottom: 0.5rem; }
.article-body blockquote { border-left: 3px solid var(--ent-gold); padding: 0.5rem 0 0.5rem 1.25rem; margin: 1.5rem 0; color: var(--ent-ink-3); font-style: italic; }
.article-body pre { background: var(--ent-navy); color: #e2e8f0; padding: 1.25rem; overflow-x: auto; font-size: 0.875rem; line-height: 1.7; }
.article-body code { font-family: 'JetBrains Mono', monospace; }
.article-tags { display: flex; flex-wrap: wrap; gap: 0.5rem; margin: 2.5rem 0 0; padding-top: 2rem; border-top: 1px solid var(--ent-line); }
.article-tag {
    display: inline-flex; align-items: center;
    font-size: 0.75rem; font-weight: 600;
    border: 1px solid var(--ent-line); color: var(--ent-ink-2);
    padding: 0.3125rem 0.75rem; text-decoration: none;
    transition: border-color 0.2s ease, color 0.2s ease;
}
.article-tag:hover { border-color: var(--ent-gold); color: var(--ent-gold); }
.article-source { margin-top: 1.5rem; font-size: 0.8125rem; color: var(--ent-ink-3); }

/* 上下篇 */
.article-nav { display: grid; grid-template-columns: 1fr 1fr; gap: 0; margin-top: 3rem; border-top: 2px solid var(--ent-ink); }
.article-nav-item { padding: 1.5rem 1.5rem 1.5rem 0; border-right: 1px solid var(--ent-line); text-decoration: none; }
.article-nav-item:last-child { border-right: 0; padding: 1.5rem 0 1.5rem 1.5rem; text-align: right; }
.article-nav-label { font-size: 0.6875rem; font-weight: 700; letter-spacing: 0.16em; color: var(--ent-gold); text-transform: uppercase; margin-bottom: 0.5rem; display: block; }
.article-nav-title { font-size: 0.9375rem; font-weight: 700; color: var(--ent-ink); line-height: 1.6; }
.article-nav-item:hover .article-nav-title { color: var(--ent-gold); }

/* 侧栏 */
.article-side { position: sticky; top: 96px; display: grid; gap: 2rem; }
.side-block { border: 1px solid var(--ent-line); }
.side-block-head {
    font-size: 0.75rem; font-weight: 700; letter-spacing: 0.16em;
    color: var(--ent-ink); text-transform: uppercase;
    padding: 1rem 1.25rem; border-bottom: 2px solid var(--ent-ink);
}
.side-block-body { padding: 1.25rem; }
.side-related-item { display: block; padding: 0.875rem 0; border-bottom: 1px solid var(--ent-line); text-decoration: none; }
.side-related-item:first-child { padding-top: 0; }
.side-related-item:last-child { padding-bottom: 0; border-bottom: 0; }
.side-related-cat { font-size: 0.6875rem; font-weight: 700; letter-spacing: 0.1em; color: var(--ent-gold); text-transform: uppercase; margin-bottom: 0.25rem; }
.side-related-title { font-size: 0.875rem; font-weight: 600; color: var(--ent-ink-2); line-height: 1.6; transition: color 0.2s ease; }
.side-related-item:hover .side-related-title { color: var(--ent-navy); }
.side-cat-item { display: flex; align-items: center; justify-content: space-between; padding: 0.625rem 0; border-bottom: 1px solid var(--ent-line); font-size: 0.875rem; color: var(--ent-ink-2); text-decoration: none; }
.side-cat-item:last-child { border-bottom: 0; }
.side-cat-item:hover { color: var(--ent-gold); }
.side-cta { background: var(--ent-navy); padding: 1.75rem 1.5rem; }
.side-cta-title { color: #fff; font-size: 1.125rem; font-weight: 800; margin-bottom: 0.625rem; }
.side-cta-desc { color: rgba(203, 213, 225, 0.72); font-size: 0.8125rem; line-height: 1.8; margin-bottom: 1.25rem; }
.side-cta .ent-btn-solid { width: 100%; justify-content: center; padding: 0.75rem 1rem; font-size: 0.875rem; }

/* 相关文章（正文下方横排） */
.article-related { border-top: 2px solid var(--ent-ink); padding-top: 2.5rem; margin-top: 3rem; }
.article-related-title { font-size: 1.25rem; font-weight: 900; letter-spacing: -0.02em; color: var(--ent-ink); margin-bottom: 1.75rem; }
.article-related-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 0; border-top: 1px solid var(--ent-line); border-left: 1px solid var(--ent-line); }
.article-related-item { padding: 1.5rem; border-right: 1px solid var(--ent-line); border-bottom: 1px solid var(--ent-line); text-decoration: none; display: block; transition: background 0.25s ease; }
.article-related-item:hover { background: var(--ent-paper-2); }
.article-related-cat { font-size: 0.6875rem; font-weight: 700; letter-spacing: 0.12em; color: var(--ent-gold); text-transform: uppercase; margin-bottom: 0.5rem; }
.article-related-item-title { font-size: 0.9375rem; font-weight: 700; color: var(--ent-ink); line-height: 1.6; margin-bottom: 0.5rem; }
.article-related-date { font-size: 0.75rem; color: var(--ent-ink-3); }

/* ---- 列表页（见解）---- */
.list-banner { background: var(--ent-navy); color: #fff; padding: 5rem 0 4rem; }
.list-banner .topic-eyebrow { color: var(--ent-gold-soft); }
.list-banner-title { font-size: clamp(2rem, 4vw, 3.25rem); font-weight: 900; letter-spacing: -0.035em; color: #fff; margin-bottom: 0.875rem; }
.list-banner-sub { color: rgba(203, 213, 225, 0.72); max-width: 40rem; }
.list-cat-row { display: flex; flex-wrap: wrap; gap: 0.5rem; margin-top: 2rem; }
.list-cat {
    font-size: 0.8125rem; font-weight: 600;
    padding: 0.5rem 1rem; border: 1px solid rgba(255, 255, 255, 0.22);
    color: rgba(226, 232, 240, 0.8); text-decoration: none;
    transition: border-color 0.2s ease, background 0.2s ease;
}
.list-cat:hover, .list-cat.is-active { border-color: var(--ent-gold); background: rgba(176, 141, 79, 0.18); color: #fff; }
.list-body { padding: 4rem 0 5rem; }
.list-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 0; border-top: 2px solid var(--ent-ink); border-left: 1px solid var(--ent-line); }
.list-card { padding: 1.75rem; border-right: 1px solid var(--ent-line); border-bottom: 1px solid var(--ent-line); text-decoration: none; display: block; transition: background 0.25s ease; }
.list-card:hover { background: var(--ent-paper-2); }
.list-card-cat { font-size: 0.6875rem; font-weight: 700; letter-spacing: 0.12em; color: var(--ent-gold); text-transform: uppercase; margin-bottom: 0.625rem; }
.list-card-title { font-size: 1.0625rem; font-weight: 800; color: var(--ent-ink); line-height: 1.5; letter-spacing: -0.012em; margin-bottom: 0.625rem; }
.list-card-summary { font-size: 0.875rem; color: var(--ent-ink-3); line-height: 1.75; margin-bottom: 1rem; }
.list-card-meta { font-size: 0.75rem; color: var(--ent-ink-3); display: flex; gap: 1rem; }

/* ---- 通用子页 Banner（关于/联系/方法）---- */
.sub-banner { background: var(--ent-navy); color: #fff; padding: 5.5rem 0 4.5rem; position: relative; overflow: hidden; }
.sub-banner::after { content: ''; position: absolute; right: -6%; top: -30%; width: 420px; height: 420px; border-radius: 50%; background: radial-gradient(circle, rgba(176, 141, 79, 0.12), transparent 65%); }
.sub-banner .breadcrumb { margin-bottom: 1.5rem; }
.sub-banner .breadcrumb a { color: rgba(203, 213, 225, 0.65); }
.sub-banner .breadcrumb .active { color: #fff; }
.sub-banner .breadcrumb-item + .breadcrumb-item::before { color: rgba(203, 213, 225, 0.4); }
.sub-title { font-size: clamp(2rem, 4vw, 3.25rem); font-weight: 900; letter-spacing: -0.035em; color: #fff; margin-bottom: 0.875rem; }
.sub-sub { color: rgba(203, 213, 225, 0.75); font-size: 1.0625rem; max-width: 42rem; line-height: 1.85; }

/* ---- 响应式 ---- */
@media (max-width: 1023px) {
    .footer-grid { grid-template-columns: repeat(2, 1fr); gap: 2.5rem; }
    .topic-fit { grid-template-columns: repeat(2, 1fr); }
    .topic-fit-item:nth-child(2) { border-right: 0; }
    .topic-fit-item:nth-child(-n+2) { border-bottom: 1px solid var(--ent-line); padding-bottom: 1.75rem; }
    .topic-fit-item:nth-child(n+3) { padding-top: 1.75rem; }
    .topic-deliver { grid-template-columns: 1fr; }
    .topic-deliver-main { border-right: 0; border-bottom: 1px solid var(--ent-line); padding: 2.25rem 0; }
    .topic-deliver-side { padding: 2.25rem 0; }
    .article-grid { grid-template-columns: 1fr; gap: 3rem; }
    .article-side { position: static; }
    .article-related-grid { grid-template-columns: 1fr; }
    .list-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 767px) {
    .header-menu { display: none; }
    .topic-fit { grid-template-columns: 1fr; }
    .topic-fit-item { border-right: 0; border-bottom: 1px solid var(--ent-line); padding: 1.5rem 0 !important; }
    .topic-fit-item:last-child { border-bottom: 0; }
    .topic-step { grid-template-columns: 1fr; gap: 0.75rem; }
    .article-nav { grid-template-columns: 1fr; }
    .article-nav-item { border-right: 0; border-bottom: 1px solid var(--ent-line); padding: 1.25rem 0 !important; text-align: left !important; }
    .list-grid { grid-template-columns: 1fr; }
    .footer-grid { grid-template-columns: 1fr; gap: 2rem; }
}

/* ---- 品牌标识（序阶）---- */
.header-logo-img { display: block; flex-shrink: 0; border-radius: 6px; }
.footer-logo-img { display: block; flex-shrink: 0; border-radius: 8px; }
.customer-sidebar .header-logo-img { border-radius: 6px; }
/* 旧 CSS 标识类的兜底（防止残留引用出现方块） */
.header-logo, .navbar-logo { display: none; }

/* 能力版图 5 列（新增 AI 线后） */
.ent-capability-grid--5 { grid-template-columns: repeat(5, 1fr); }
@media (max-width: 1023px) {
    .ent-capability-grid--5 { grid-template-columns: repeat(2, 1fr); }
    .ent-capability-grid--5 .ent-capability-col:nth-child(2n) { border-right: 0; }
}
@media (max-width: 767px) {
    .ent-capability-grid--5 { grid-template-columns: 1fr; }
    .ent-capability-grid--5 .ent-capability-col { border-right: 0; border-bottom: 1px solid var(--ent-line); }
}