/* ============== RESET ============== */
* { margin: 0; padding: 0; box-sizing: border-box; }

:root {
    --primary: #0a1929;
    --primary-light: #1a2942;
    --accent: #b8935a;
    --accent-dark: #9a7a45;
    --text: #2c3e50;
    --text-light: #6c757d;
    --light: #f8f9fa;
    --light-2: #f1f3f5;
    --border: #e1e5e9;
    --white: #ffffff;
}

html { scroll-behavior: smooth; }

body {
    font-family: "Noto Sans SC", -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
    font-weight: 400;
    line-height: 1.7;
    color: var(--text);
    background: var(--white);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

.container { max-width: 1280px; margin: 0 auto; padding: 0 2rem; }

a { color: inherit; text-decoration: none; transition: color 0.3s; }

img { max-width: 100%; display: block; }

ul { list-style: none; }

/* ============== TYPOGRAPHY ============== */
h1, h2, h3, h4, h5 {
    font-family: "Cormorant Garamond", "Noto Serif SC", serif;
    font-weight: 600;
    color: var(--primary);
    letter-spacing: -0.01em;
}

h1 { font-size: 3.5rem; line-height: 1.1; font-weight: 500; }
h2 { font-size: 2.75rem; line-height: 1.2; }
h3 { font-size: 1.5rem; line-height: 1.3; }
h4 { font-size: 1.2rem; line-height: 1.4; }

p { color: var(--text-light); line-height: 1.8; }

strong { font-weight: 600; color: var(--text); }

/* ============== TOP BAR ============== */
.top-bar {
    background: var(--primary);
    color: rgba(255,255,255,0.7);
    font-size: 0.85rem;
    padding: 0.5rem 0;
}
.top-bar-inner {
    display: flex;
    justify-content: space-between;
    align-items: center;
}
.top-bar .lang {
    cursor: pointer;
    transition: color 0.3s;
}
.top-bar .lang:hover { color: var(--accent); }
.top-bar .separator { margin: 0 0.75rem; opacity: 0.5; }

/* ============== HEADER ============== */
.header {
    background: var(--white);
    padding: 1.25rem 0;
    border-bottom: 1px solid var(--border);
    position: sticky;
    top: 0;
    z-index: 100;
    backdrop-filter: blur(8px);
    background: rgba(255,255,255,0.95);
}
.nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}
.logo {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}
.logo-mark {
    width: 44px;
    height: 44px;
    background: var(--primary);
    color: var(--accent);
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: "Cormorant Garamond", serif;
    font-weight: 700;
    font-size: 1.75rem;
    border: 2px solid var(--accent);
}
.logo-name {
    font-family: "Cormorant Garamond", serif;
    font-weight: 700;
    font-size: 1.4rem;
    color: var(--primary);
    letter-spacing: 0.05em;
}
.logo-tagline {
    font-size: 0.7rem;
    color: var(--text-light);
    letter-spacing: 0.15em;
    text-transform: uppercase;
}
.nav {
    display: flex;
    align-items: center;
    gap: 2.25rem;
}
.nav-link {
    font-size: 0.95rem;
    color: var(--text);
    font-weight: 500;
    position: relative;
    padding: 0.5rem 0;
}
.nav-link::after {
    content: '';
    position: absolute;
    left: 0;
    bottom: 0;
    width: 0;
    height: 2px;
    background: var(--accent);
    transition: width 0.3s;
}
.nav-link:hover::after,
.nav-link.active::after { width: 100%; }
.nav-link.active { color: var(--primary); }
.nav-cta {
    background: var(--primary);
    color: var(--white) !important;
    padding: 0.6rem 1.5rem !important;
    border-radius: 2px;
    letter-spacing: 0.05em;
}
.nav-cta::after { display: none; }
.nav-cta:hover { background: var(--accent); }

/* ============== HERO ============== */
.hero {
    position: relative;
    min-height: 720px;
    display: flex;
    align-items: center;
    overflow: hidden;
    color: var(--white);
}
.hero-bg {
    position: absolute;
    inset: 0;
    background:
        linear-gradient(135deg, rgba(10, 25, 41, 0.85) 0%, rgba(26, 41, 66, 0.75) 100%),
        radial-gradient(ellipse at top right, #2c3e50 0%, #0a1929 70%);
}
.hero-overlay {
    position: absolute;
    inset: 0;
    background-image:
        linear-gradient(rgba(184, 147, 90, 0.05) 1px, transparent 1px),
        linear-gradient(90deg, rgba(184, 147, 90, 0.05) 1px, transparent 1px);
    background-size: 60px 60px;
    opacity: 0.5;
}
.hero-content {
    position: relative;
    z-index: 2;
    padding: 6rem 0;
}
.hero-eyebrow {
    color: var(--accent);
    font-size: 0.85rem;
    letter-spacing: 0.25em;
    margin-bottom: 2rem;
    font-weight: 500;
}
.hero-title {
    color: var(--white);
    margin-bottom: 2rem;
    max-width: 900px;
}
.hero-title-en {
    display: block;
    font-size: 3.5rem;
    font-style: italic;
    color: var(--accent);
    font-weight: 400;
    margin-bottom: 0.5rem;
}
.hero-title-cn {
    display: block;
    font-size: 3.25rem;
    font-family: "Noto Serif SC", serif;
    font-weight: 500;
}
.hero-sub {
    font-size: 1.15rem;
    color: rgba(255,255,255,0.85);
    max-width: 720px;
    margin-bottom: 3rem;
    line-height: 1.9;
}
.hero-sub strong {
    color: var(--accent);
    font-weight: 600;
}
.hero-actions {
    display: flex;
    gap: 1rem;
    margin-bottom: 4rem;
}
.btn {
    display: inline-block;
    padding: 0.95rem 2rem;
    font-size: 0.95rem;
    font-weight: 500;
    letter-spacing: 0.05em;
    border-radius: 2px;
    transition: all 0.3s;
    cursor: pointer;
    border: none;
}
.btn-primary {
    background: var(--accent);
    color: var(--primary);
}
.btn-primary:hover {
    background: var(--white);
    transform: translateY(-2px);
    box-shadow: 0 10px 25px rgba(184, 147, 90, 0.3);
}
.btn-ghost {
    background: transparent;
    color: var(--white);
    border: 1px solid rgba(255,255,255,0.4);
}
.btn-ghost:hover {
    border-color: var(--accent);
    color: var(--accent);
}
.btn-outline {
    background: transparent;
    color: var(--primary);
    border: 1px solid var(--primary);
}
.btn-outline:hover {
    background: var(--primary);
    color: var(--white);
}
.btn-large {
    padding: 1.1rem 2.5rem;
    font-size: 1rem;
}
.hero-trust {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 1.5rem;
    color: rgba(255,255,255,0.7);
    font-size: 0.95rem;
}
.trust-label {
    color: rgba(255,255,255,0.5);
    font-weight: 300;
}
.trust-logo {
    color: rgba(255,255,255,0.9);
    font-weight: 600;
    letter-spacing: 0.05em;
    font-family: "Cormorant Garamond", serif;
    font-size: 1.1rem;
}

/* ============== STATS BAR ============== */
.stats-bar {
    background: var(--primary);
    color: var(--white);
    padding: 3.5rem 0;
}
.stats-grid {
    display: grid;
    grid-template-columns: repeat(6, 1fr);
    gap: 2rem;
    text-align: center;
}
.stat-num {
    font-family: "Cormorant Garamond", serif;
    font-size: 2.75rem;
    color: var(--accent);
    font-weight: 600;
    margin-bottom: 0.5rem;
}
.stat-num sup {
    font-size: 1.25rem;
    color: var(--accent);
    margin-left: 0.1rem;
}
.stat-label {
    color: rgba(255,255,255,0.7);
    font-size: 0.9rem;
    letter-spacing: 0.05em;
}

/* ============== SECTION COMMON ============== */
section { padding: 6rem 0; }

.section-head {
    text-align: center;
    margin-bottom: 4rem;
}
.section-eyebrow {
    color: var(--accent);
    font-size: 0.85rem;
    letter-spacing: 0.25em;
    margin-bottom: 1rem;
    font-weight: 600;
    text-transform: uppercase;
}
.section-title {
    margin-bottom: 1rem;
    font-size: 2.75rem;
}
.section-sub {
    color: var(--text-light);
    font-size: 1.1rem;
    max-width: 700px;
    margin: 0 auto;
}

/* ============== SERVICES ============== */
.services { background: var(--white); }
.services-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 0;
    border-top: 1px solid var(--border);
    border-left: 1px solid var(--border);
}
.service-card {
    padding: 2.5rem 2rem;
    border-right: 1px solid var(--border);
    border-bottom: 1px solid var(--border);
    transition: all 0.3s;
    background: var(--white);
}
.service-card:hover {
    background: var(--light);
    transform: translateY(-2px);
}
.service-num {
    font-family: "Cormorant Garamond", serif;
    font-size: 1rem;
    color: var(--accent);
    font-weight: 600;
    letter-spacing: 0.1em;
    margin-bottom: 1.5rem;
}
.service-card h3 {
    font-size: 1.35rem;
    margin-bottom: 1rem;
    font-weight: 600;
}
.service-card p {
    font-size: 0.95rem;
    line-height: 1.7;
}

/* ============== CASES ============== */
.cases-featured { background: var(--light); }
.cases-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.5rem;
}
.case-card {
    background: var(--white);
    overflow: hidden;
    border-radius: 4px;
    transition: all 0.3s;
    border: 1px solid var(--border);
}
.case-large {
    grid-column: span 2;
    display: grid;
    grid-template-columns: 1fr 1fr;
}
.case-large .case-image { min-height: 360px; }
.case-image {
    min-height: 220px;
    background-size: cover;
    background-position: center;
}
.case-image-1 { background: linear-gradient(135deg, #1a2942 0%, #2c3e50 50%, #b8935a 100%); }
.case-image-2 { background: linear-gradient(135deg, #2c3e50 0%, #b8935a 100%); }
.case-image-3 { background: linear-gradient(135deg, #0a1929 0%, #1a2942 100%); }
.case-image-4 { background: linear-gradient(135deg, #1a2942 0%, #0a1929 100%); }
.case-content { padding: 2rem; }
.case-tag {
    display: inline-block;
    color: var(--accent);
    font-size: 0.8rem;
    letter-spacing: 0.15em;
    margin-bottom: 1rem;
    text-transform: uppercase;
    font-weight: 600;
}
.case-card h3 {
    margin-bottom: 1rem;
    font-size: 1.25rem;
    line-height: 1.4;
}
.case-card p {
    font-size: 0.95rem;
    margin-bottom: 1rem;
}
.case-meta {
    font-size: 0.85rem;
    color: var(--text-light);
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}
.cases-more {
    text-align: center;
    margin-top: 3rem;
}

/* ============== WHY US ============== */
.why-us { background: var(--white); }
.why-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 3rem 2.5rem;
}
.why-item {
    padding-right: 1rem;
}
.why-num {
    font-family: "Cormorant Garamond", serif;
    font-size: 2.25rem;
    color: var(--accent);
    font-weight: 500;
    margin-bottom: 1rem;
    line-height: 1;
}
.why-item h4 {
    font-size: 1.25rem;
    margin-bottom: 1rem;
    font-weight: 600;
}
.why-item p {
    font-size: 0.95rem;
}

/* ============== GLOBAL ============== */
.global { background: var(--light); }
.global-grid {
    display: grid;
    grid-template-columns: repeat(6, 1fr);
    gap: 1rem;
}
.global-card {
    background: var(--white);
    padding: 2rem 1.5rem;
    border-radius: 4px;
    text-align: center;
    border: 1px solid var(--border);
    transition: all 0.3s;
}
.global-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 15px 35px rgba(0,0,0,0.08);
    border-color: var(--accent);
}
.global-flag {
    font-size: 2.5rem;
    margin-bottom: 1rem;
}
.global-card h4 {
    font-size: 1.1rem;
    margin-bottom: 0.75rem;
}
.global-card p {
    font-size: 0.85rem;
    line-height: 1.6;
    color: var(--text-light);
}

/* ============== INSIGHTS ============== */
.insights { background: var(--white); }
.insights-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
}
.insight-card {
    padding: 2rem;
    background: var(--light);
    border-radius: 4px;
    transition: all 0.3s;
    cursor: pointer;
    border: 1px solid transparent;
}
.insight-card:hover {
    background: var(--white);
    border-color: var(--accent);
    transform: translateY(-4px);
    box-shadow: 0 15px 35px rgba(0,0,0,0.06);
}
.insight-meta {
    color: var(--accent);
    font-size: 0.85rem;
    letter-spacing: 0.1em;
    margin-bottom: 1rem;
    font-weight: 500;
}
.insight-card h3 {
    font-size: 1.15rem;
    line-height: 1.5;
    margin-bottom: 1rem;
    color: var(--primary);
}
.insight-card p {
    font-size: 0.9rem;
    line-height: 1.7;
}

/* ============== CTA ============== */
.cta-section {
    background: var(--primary);
    color: var(--white);
    text-align: center;
    padding: 5rem 0;
}
.cta-content h2 {
    color: var(--white);
    font-size: 2.5rem;
    margin-bottom: 1.5rem;
    font-family: "Noto Serif SC", serif;
}
.cta-content p {
    color: rgba(255,255,255,0.8);
    font-size: 1.1rem;
    margin-bottom: 2.5rem;
    line-height: 1.9;
}

/* ============== FOOTER ============== */
.footer {
    background: #0a1929;
    color: rgba(255,255,255,0.7);
    padding: 4rem 0 2rem;
    font-size: 0.9rem;
}
.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1.5fr;
    gap: 3rem;
    margin-bottom: 3rem;
}
.footer-logo {
    font-family: "Cormorant Garamond", serif;
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--accent);
    margin-bottom: 1rem;
    letter-spacing: 0.1em;
}
.footer-desc {
    color: rgba(255,255,255,0.6);
    line-height: 1.8;
    margin-bottom: 1rem;
}
.footer-lic {
    font-size: 0.8rem;
    color: rgba(255,255,255,0.4);
    line-height: 1.7;
}
.footer-col h5 {
    color: var(--white);
    font-size: 0.95rem;
    margin-bottom: 1.25rem;
    font-family: "Noto Sans SC", sans-serif;
    font-weight: 600;
}
.footer-col ul li {
    margin-bottom: 0.6rem;
}
.footer-col ul li a:hover {
    color: var(--accent);
}
.footer-col p {
    color: rgba(255,255,255,0.6);
    line-height: 1.9;
    margin-bottom: 0.5rem;
}
.footer-bottom {
    border-top: 1px solid rgba(255,255,255,0.1);
    padding-top: 2rem;
    display: flex;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 1rem;
    color: rgba(255,255,255,0.4);
    font-size: 0.85rem;
}
.footer-links a:hover {
    color: var(--accent);
}

/* ============== RESPONSIVE ============== */
@media (max-width: 1024px) {
    .services-grid { grid-template-columns: repeat(2, 1fr); }
    .stats-grid { grid-template-columns: repeat(3, 1fr); gap: 2rem; }
    .global-grid { grid-template-columns: repeat(3, 1fr); }
    .insights-grid { grid-template-columns: 1fr 1fr; }
    .why-grid { grid-template-columns: 1fr 1fr; }
    .cases-grid { grid-template-columns: 1fr; }
    .case-large { grid-column: span 1; grid-template-columns: 1fr; }
    .case-large .case-image { min-height: 240px; }
}

@media (max-width: 768px) {
    h1 { font-size: 2.5rem; }
    h2 { font-size: 2rem; }
    .hero-title-en { font-size: 2.25rem; }
    .hero-title-cn { font-size: 2rem; }
    .nav { display: none; }
    .stats-grid { grid-template-columns: repeat(2, 1fr); }
    .global-grid { grid-template-columns: repeat(2, 1fr); }
    .insights-grid { grid-template-columns: 1fr; }
    .why-grid { grid-template-columns: 1fr; }
    .footer-grid { grid-template-columns: 1fr; gap: 2rem; }
    .services-grid { grid-template-columns: 1fr; }
    section { padding: 4rem 0; }
}

/* ============== SUBPAGES ============== */
.page-hero {
    background: var(--primary);
    color: var(--white);
    padding: 6rem 0 4rem;
    text-align: center;
    position: relative;
    overflow: hidden;
}
.page-hero::before {
    content: '';
    position: absolute;
    inset: 0;
    background-image:
        linear-gradient(rgba(184, 147, 90, 0.05) 1px, transparent 1px),
        linear-gradient(90deg, rgba(184, 147, 90, 0.05) 1px, transparent 1px);
    background-size: 60px 60px;
}
.page-hero > .container { position: relative; z-index: 2; }
.page-hero h1 {
    color: var(--white);
    margin-bottom: 1rem;
}
.page-hero .sub {
    color: rgba(255,255,255,0.8);
    font-size: 1.15rem;
}

.breadcrumb {
    font-size: 0.9rem;
    color: var(--text-light);
    margin-bottom: 1.5rem;
}
.breadcrumb a { color: var(--accent); }

/* Content pages */
.content-section { padding: 5rem 0; }
.content-section h2 {
    font-size: 2rem;
    margin-bottom: 1.5rem;
}
.content-section p { margin-bottom: 1.5rem; font-size: 1.05rem; }

/* Team */
.team-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 2rem;
}
.team-card {
    background: var(--white);
    border: 1px solid var(--border);
    padding: 2rem;
    text-align: center;
    transition: all 0.3s;
}
.team-card:hover {
    border-color: var(--accent);
    transform: translateY(-4px);
    box-shadow: 0 15px 35px rgba(0,0,0,0.06);
}
.team-avatar {
    width: 120px;
    height: 120px;
    margin: 0 auto 1.5rem;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--primary) 0%, var(--accent) 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    font-family: "Cormorant Garamond", serif;
    font-size: 2.5rem;
    font-weight: 600;
}
.team-card h3 {
    font-size: 1.25rem;
    margin-bottom: 0.5rem;
}
.team-role {
    color: var(--accent);
    font-size: 0.9rem;
    margin-bottom: 1rem;
    font-weight: 500;
}
.team-card p {
    font-size: 0.9rem;
    line-height: 1.7;
}

/* Forms */
.form-section {
    background: var(--light);
    padding: 5rem 0;
}
.form-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
}
.form-card {
    background: var(--white);
    padding: 3rem;
    border: 1px solid var(--border);
}
.form-card h2 {
    margin-bottom: 1rem;
}
.form-card p {
    margin-bottom: 2rem;
}
.form-group {
    margin-bottom: 1.25rem;
}
.form-group label {
    display: block;
    font-size: 0.9rem;
    margin-bottom: 0.5rem;
    color: var(--text);
    font-weight: 500;
}
.form-group input,
.form-group textarea,
.form-group select {
    width: 100%;
    padding: 0.85rem 1rem;
    border: 1px solid var(--border);
    border-radius: 2px;
    font-family: inherit;
    font-size: 0.95rem;
    transition: border-color 0.3s;
}
.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
    outline: none;
    border-color: var(--accent);
}
.form-group textarea { min-height: 140px; resize: vertical; }
.contact-info-card {
    background: var(--primary);
    color: var(--white);
    padding: 3rem;
}
.contact-info-card h2 {
    color: var(--white);
    margin-bottom: 1.5rem;
}
.contact-info-item {
    margin-bottom: 2rem;
    padding-bottom: 2rem;
    border-bottom: 1px solid rgba(255,255,255,0.1);
}
.contact-info-item:last-child {
    border-bottom: none;
    padding-bottom: 0;
}
.contact-info-item h4 {
    color: var(--accent);
    font-size: 0.85rem;
    letter-spacing: 0.15em;
    margin-bottom: 0.5rem;
    text-transform: uppercase;
    font-family: "Noto Sans SC", sans-serif;
    font-weight: 600;
}
.contact-info-item p {
    color: rgba(255,255,255,0.9);
    margin-bottom: 0;
}

/* Cases list */
.cases-list {
    display: grid;
    gap: 1.5rem;
}
.cases-list .case-card {
    grid-column: span 2;
    display: grid;
    grid-template-columns: 280px 1fr;
}
.cases-list .case-image {
    min-height: 200px;
}