/* ===== 万相鸿图企业官网 样式 ===== */
* { box-sizing: border-box; margin: 0; padding: 0; }

:root {
    --navy: #0B2545;
    --navy-deep: #06182f;
    --gold: #C9A86A;
    --gold-soft: #e6d3a8;
    --bg: #FAFAF7;
    --bg-soft: #f1efe9;
    --text: #1a1a1a;
    --muted: #6b6b6b;
    --line: #e4e2dc;
    --serif: "Songti SC", "STSong", "SimSun", "Noto Serif CJK SC", serif;
    --sans: -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei",
            "Helvetica Neue", Arial, sans-serif;
}

html { scroll-behavior: smooth; }
body {
    font-family: var(--sans);
    color: var(--text);
    background: var(--bg);
    line-height: 1.7;
    -webkit-font-smoothing: antialiased;
}
a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }
.container { max-width: 1180px; margin: 0 auto; padding: 0 28px; }

/* ===== Header ===== */
.site-header {
    position: fixed; top: 0; left: 0; right: 0; z-index: 100;
    background: rgba(250, 250, 247, 0.85);
    backdrop-filter: saturate(180%) blur(12px);
    -webkit-backdrop-filter: saturate(180%) blur(12px);
    border-bottom: 1px solid var(--line);
}
.site-header .inner {
    display: flex; align-items: center; justify-content: space-between;
    height: 68px;
}
.brand { display: flex; align-items: center; gap: 12px; }
.brand img { height: 40px; width: auto; }
.brand .name {
    font-family: var(--serif);
    font-size: 19px; font-weight: 600; color: var(--navy);
    letter-spacing: 2px;
}
.brand .name small {
    display: block; font-family: var(--sans); font-size: 10px;
    color: var(--muted); letter-spacing: 3px; font-weight: 400; margin-top: 2px;
}
nav.primary ul { display: flex; gap: 36px; list-style: none; }
nav.primary a {
    font-size: 14px; color: var(--text); position: relative;
    transition: color 0.2s;
}
nav.primary a:hover { color: var(--navy); }
nav.primary a::after {
    content: ""; position: absolute; left: 0; right: 0; bottom: -6px;
    height: 1px; background: var(--gold); transform: scaleX(0);
    transform-origin: left; transition: transform 0.25s;
}
nav.primary a:hover::after { transform: scaleX(1); }

/* ===== Hero ===== */
.hero {
    min-height: 100vh; display: flex; align-items: center; justify-content: center;
    text-align: center; position: relative; padding: 120px 24px 80px;
    background:
      radial-gradient(ellipse at 30% 20%, rgba(201,168,106,0.10), transparent 55%),
      radial-gradient(ellipse at 70% 80%, rgba(11,37,69,0.08), transparent 55%),
      var(--bg);
    overflow: hidden;
}
.hero::before {
    content: ""; position: absolute; inset: 0;
    background-image: radial-gradient(circle at 1px 1px, rgba(11,37,69,0.07) 1px, transparent 0);
    background-size: 36px 36px;
    opacity: 0.6; pointer-events: none;
}
.hero-inner { position: relative; max-width: 880px; }
.hero .mark { width: 110px; margin: 0 auto 36px; opacity: 0.95; }
.hero h1 {
    font-family: var(--serif);
    font-size: clamp(40px, 6vw, 72px);
    color: var(--navy);
    letter-spacing: 8px; line-height: 1.2; font-weight: 600;
    margin-bottom: 20px;
}
.hero .tagline {
    font-family: var(--serif);
    font-size: clamp(18px, 2.2vw, 22px);
    color: var(--gold);
    letter-spacing: 6px; margin-bottom: 36px;
}
.hero .lede {
    font-size: 17px; color: var(--text); max-width: 640px; margin: 0 auto 44px;
}
.hero .cta {
    display: inline-block; padding: 14px 36px;
    background: var(--navy); color: #fff;
    font-size: 14px; letter-spacing: 4px;
    border: 1px solid var(--navy);
    transition: all 0.25s;
}
.hero .cta:hover { background: transparent; color: var(--navy); }

.hero .scroll-hint {
    position: absolute; bottom: 32px; left: 50%; transform: translateX(-50%);
    font-size: 11px; letter-spacing: 4px; color: var(--muted);
}
.hero .scroll-hint::after {
    content: ""; display: block; width: 1px; height: 28px;
    background: var(--muted); margin: 8px auto 0;
}

/* ===== Section base ===== */
section.block { padding: 110px 0; }
section.block.alt { background: var(--bg-soft); }
.eyebrow {
    text-align: center; font-size: 12px; letter-spacing: 6px;
    color: var(--gold); margin-bottom: 16px; text-transform: uppercase;
}
.section-title {
    text-align: center; font-family: var(--serif);
    font-size: clamp(28px, 3.5vw, 38px); color: var(--navy);
    letter-spacing: 4px; font-weight: 600; margin-bottom: 24px;
}
.section-lead {
    text-align: center; max-width: 680px; margin: 0 auto 60px;
    color: var(--muted); font-size: 15px;
}

/* ===== About ===== */
.about-grid {
    display: grid; grid-template-columns: 1.1fr 0.9fr; gap: 80px; align-items: center;
}
.about-text h3 {
    font-family: var(--serif); font-size: 24px; color: var(--navy);
    margin-bottom: 18px; letter-spacing: 2px;
}
.about-text p { margin-bottom: 16px; color: #333; }
.about-text p.lead { font-size: 16px; color: var(--text); }
.about-stats {
    display: grid; grid-template-columns: repeat(2, 1fr); gap: 18px;
}
.stat {
    background: #fff; border: 1px solid var(--line);
    padding: 28px 22px; text-align: center;
    transition: transform 0.25s, box-shadow 0.25s;
}
.stat:hover { transform: translateY(-4px); box-shadow: 0 12px 32px rgba(11,37,69,0.08); }
.stat .num {
    font-family: var(--serif); font-size: 36px; color: var(--navy);
    font-weight: 600; line-height: 1; margin-bottom: 8px;
}
.stat .label { font-size: 12px; letter-spacing: 3px; color: var(--muted); }

/* ===== Services ===== */
.services { display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px; }
.service {
    background: #fff; border: 1px solid var(--line);
    padding: 48px 36px; transition: all 0.3s; position: relative; overflow: hidden;
}
.service::before {
    content: ""; position: absolute; top: 0; left: 0; right: 0; height: 2px;
    background: var(--gold); transform: scaleX(0); transform-origin: left;
    transition: transform 0.35s;
}
.service:hover { transform: translateY(-6px); box-shadow: 0 20px 50px rgba(11,37,69,0.10); }
.service:hover::before { transform: scaleX(1); }
.service .icon {
    width: 44px; height: 44px; display: flex; align-items: center; justify-content: center;
    color: var(--gold); margin-bottom: 24px;
}
.service h3 {
    font-family: var(--serif); font-size: 22px; color: var(--navy);
    margin-bottom: 14px; letter-spacing: 2px;
}
.service p { color: var(--muted); font-size: 14.5px; }

/* ===== Contact ===== */
.contact-grid {
    display: grid; grid-template-columns: 1fr 1fr; gap: 64px; align-items: start;
}
.contact-info h3 {
    font-family: var(--serif); font-size: 24px; color: var(--navy);
    margin-bottom: 20px; letter-spacing: 2px;
}
.contact-info p { color: var(--muted); margin-bottom: 32px; }
.contact-list { list-style: none; }
.contact-list li {
    display: flex; gap: 18px; padding: 18px 0;
    border-bottom: 1px solid var(--line);
}
.contact-list li:last-child { border-bottom: none; }
.contact-list .ico {
    width: 38px; height: 38px; flex-shrink: 0;
    border: 1px solid var(--gold); color: var(--gold);
    display: flex; align-items: center; justify-content: center;
    font-size: 14px; font-family: var(--serif);
}
.contact-list .label { font-size: 11px; letter-spacing: 3px; color: var(--muted); margin-bottom: 4px; }
.contact-list .value { font-size: 15px; color: var(--text); }
.contact-list a:hover .value { color: var(--navy); }

.contact-form {
    background: #fff; border: 1px solid var(--line); padding: 40px;
}
.contact-form h4 {
    font-family: var(--serif); font-size: 18px; color: var(--navy);
    margin-bottom: 24px; letter-spacing: 2px;
}
.field { margin-bottom: 18px; }
.field label { display: block; font-size: 12px; letter-spacing: 2px; color: var(--muted); margin-bottom: 8px; }
.field input, .field textarea {
    width: 100%; padding: 12px 14px; border: 1px solid var(--line);
    background: var(--bg); font: inherit; color: var(--text);
    transition: border-color 0.2s;
}
.field input:focus, .field textarea:focus { outline: none; border-color: var(--gold); }
.field textarea { min-height: 110px; resize: vertical; }
.submit {
    width: 100%; padding: 14px; background: var(--navy); color: #fff;
    border: 1px solid var(--navy); font: inherit; letter-spacing: 4px; font-size: 14px;
    cursor: pointer; transition: all 0.25s;
}
.submit:hover { background: transparent; color: var(--navy); }

/* ===== Footer ===== */
.site-footer {
    background: var(--navy-deep); color: #b8b8b8; padding: 56px 0 32px;
}
.footer-top {
    display: grid; grid-template-columns: 1.4fr 1fr 1fr; gap: 48px;
    padding-bottom: 40px; border-bottom: 1px solid rgba(255,255,255,0.08);
}
.footer-brand img { height: 44px; margin-bottom: 18px; filter: brightness(0) invert(1) opacity(0.9); }
.footer-brand p { font-size: 13px; line-height: 1.8; color: #9a9a9a; }
.footer-col h5 {
    font-family: var(--serif); font-size: 14px; color: #fff;
    letter-spacing: 3px; margin-bottom: 18px;
}
.footer-col ul { list-style: none; }
.footer-col li { margin-bottom: 10px; font-size: 13px; }
.footer-col a:hover { color: var(--gold); }
.footer-bottom {
    padding-top: 24px; text-align: center; font-size: 12px; color: #777;
    line-height: 2;
}
.footer-bottom .beian { color: #9a9a9a; }
.footer-bottom .beian a:hover { color: var(--gold); }

/* ===== Responsive ===== */
@media (max-width: 900px) {
    nav.primary ul { gap: 22px; }
    .about-grid, .contact-grid, .footer-top { grid-template-columns: 1fr; gap: 48px; }
    .services { grid-template-columns: 1fr; }
    .about-stats { grid-template-columns: repeat(2, 1fr); }
    section.block { padding: 80px 0; }
}
@media (max-width: 600px) {
    .site-header .inner { height: 60px; }
    .brand .name { font-size: 16px; letter-spacing: 1px; }
    .brand .name small { font-size: 9px; }
    nav.primary ul { gap: 16px; }
    nav.primary a { font-size: 13px; }
    .hero { padding: 100px 20px 60px; }
    .hero .mark { width: 80px; margin-bottom: 24px; }
    .about-stats { grid-template-columns: 1fr; }
    .contact-form { padding: 28px 22px; }
    section.block { padding: 64px 0; }
}