*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }

:root {
    --ink: #1c1917;
    --ink-soft: #44403c;
    --muted: #78716c;
    --line: #e7e5e4;
    --paper: #ffffff;
    --sand: #f6f4f1;
    --sand-2: #efeae3;
    --seal: #9f1d1d;
    --seal-deep: #7f1616;
    --shadow: 0 18px 50px rgba(28, 25, 23, 0.08);
}

html { scroll-behavior: smooth; font-size: 16px; }
body {
    font-family: "Noto Sans SC", "PingFang SC", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
    color: var(--ink);
    background: var(--paper);
    line-height: 1.85;
    overflow-x: hidden;
}
a { text-decoration: none; color: inherit; }
ul { list-style: none; }
img { max-width: 100%; display: block; }
button, input, textarea { font-family: inherit; }
::selection { background: #f3d6d6; color: var(--ink); }

.wrap {
    width: min(1160px, calc(100% - 48px));
    margin: 0 auto;
}

.serif { font-family: "Noto Serif SC", "Songti SC", "STSong", "SimSun", serif; }

/* ========== Navigation ========== */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    background: rgba(255, 255, 255, 0.92);
    backdrop-filter: blur(14px);
    border-bottom: 1px solid transparent;
    transition: border-color 0.3s, box-shadow 0.3s;
}
.navbar.scrolled {
    border-bottom-color: var(--line);
    box-shadow: 0 8px 30px rgba(28, 25, 23, 0.04);
}
.nav-inner {
    width: min(1160px, calc(100% - 48px));
    margin: 0 auto;
    height: 76px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 24px;
}
.nav-logo img { height: 46px; width: auto; }
.nav-links { display: flex; align-items: center; gap: 28px; }
.nav-links a {
    font-size: 14px;
    color: var(--ink-soft);
    letter-spacing: 0.04em;
    transition: color 0.2s;
}
.nav-links a:hover { color: var(--seal); }
.nav-contact-btn {
    padding: 8px 18px;
    border: 1px solid var(--ink);
    color: var(--ink) !important;
    border-radius: 999px;
    font-size: 13px !important;
    letter-spacing: 0.08em !important;
    transition: background 0.2s, color 0.2s !important;
}
.nav-contact-btn:hover {
    background: var(--ink);
    color: #fff !important;
}
.menu-toggle {
    display: none;
    width: 42px;
    height: 42px;
    border: 1px solid var(--line);
    background: #fff;
    border-radius: 8px;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 5px;
    cursor: pointer;
}
.menu-toggle span {
    width: 18px;
    height: 1.5px;
    background: var(--ink);
    display: block;
}

/* ========== Hero ========== */
.hero {
    padding: 132px 0 72px;
    background:
        radial-gradient(ellipse at 0% 0%, rgba(159, 29, 29, 0.05), transparent 42%),
        linear-gradient(180deg, #fff 0%, var(--sand) 100%);
}
.hero-grid {
    display: grid;
    grid-template-columns: 1.05fr 0.95fr;
    gap: 64px;
    align-items: center;
}
.eyebrow {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    font-size: 12px;
    letter-spacing: 0.22em;
    text-transform: uppercase;
    color: var(--seal);
    margin-bottom: 22px;
}
.eyebrow::before {
    content: "";
    width: 28px;
    height: 1px;
    background: var(--seal);
}
.hero-logo { height: 72px; width: auto; margin-bottom: 28px; }
.hero h1 {
    font-family: "Noto Serif SC", "Songti SC", serif;
    font-size: 52px;
    font-weight: 700;
    letter-spacing: 0.12em;
    line-height: 1.25;
    margin-bottom: 12px;
}
.hero-en {
    font-size: 13px;
    letter-spacing: 0.18em;
    color: var(--muted);
    margin-bottom: 24px;
}
.hero-lead {
    font-size: 17px;
    color: var(--ink-soft);
    max-width: 540px;
    margin-bottom: 32px;
}
.hero-actions { display: flex; gap: 14px; flex-wrap: wrap; }
.btn-primary, .btn-outline {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 140px;
    padding: 13px 26px;
    border-radius: 999px;
    font-size: 14px;
    letter-spacing: 0.12em;
    cursor: pointer;
    transition: transform 0.2s, background 0.2s, color 0.2s, border-color 0.2s;
}
.btn-primary { background: var(--seal); color: #fff; border: 1px solid var(--seal); }
.btn-primary:hover { background: var(--seal-deep); transform: translateY(-1px); }
.btn-outline { background: transparent; color: var(--ink); border: 1px solid #d6d3d1; }
.btn-outline:hover { border-color: var(--ink); }
.hero-figure { position: relative; }
.hero-figure img {
    width: 100%;
    height: 520px;
    object-fit: cover;
    border-radius: 18px;
    box-shadow: var(--shadow);
}
.hero-caption {
    position: absolute;
    left: 20px;
    bottom: 20px;
    background: rgba(255, 255, 255, 0.94);
    padding: 14px 16px;
    border-radius: 12px;
    max-width: 230px;
}
.hero-caption strong {
    display: block;
    font-size: 14px;
    letter-spacing: 0.08em;
    margin-bottom: 2px;
}
.hero-caption span { font-size: 12px; color: var(--muted); }

.pillar-bar {
    margin-top: 28px;
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    border: 1px solid var(--line);
    border-radius: 16px;
    background: #fff;
    overflow: hidden;
}
.pillar {
    padding: 22px 26px;
    border-right: 1px solid var(--line);
}
.pillar:last-child { border-right: none; }
.pillar b {
    display: block;
    font-family: "Noto Serif SC", "Songti SC", serif;
    font-size: 18px;
    font-weight: 700;
    letter-spacing: 0.08em;
    margin-bottom: 4px;
}
.pillar span { font-size: 13px; color: var(--muted); }

/* ========== Sections ========== */
.section { padding: 96px 0; }
.section-sand { background: var(--sand); }
.section-head { max-width: 680px; margin-bottom: 48px; }
.section-head.center { margin-left: auto; margin-right: auto; text-align: center; }
.section-label {
    font-size: 12px;
    letter-spacing: 0.24em;
    color: var(--seal);
    margin-bottom: 10px;
}
.section-head h2, .block-title {
    font-family: "Noto Serif SC", "Songti SC", serif;
    font-size: 36px;
    font-weight: 700;
    letter-spacing: 0.08em;
    line-height: 1.35;
    margin-bottom: 14px;
}
.section-head p, .lede { color: var(--ink-soft); font-size: 15px; }

.about-grid {
    display: grid;
    grid-template-columns: 0.92fr 1.08fr;
    gap: 64px;
    align-items: center;
}
.about-photo img {
    width: 100%;
    height: 460px;
    object-fit: cover;
    border-radius: 18px;
}
.photo-note { margin-top: 12px; font-size: 12px; color: var(--muted); letter-spacing: 0.04em; }
.about-copy h2 { margin-bottom: 18px; }
.about-copy p { color: var(--ink-soft); margin-bottom: 16px; font-size: 15px; }
.en-note {
    margin-top: 22px;
    padding: 18px 20px;
    background: var(--sand);
    border-left: 3px solid var(--seal);
    color: var(--ink-soft);
    font-size: 14px;
    line-height: 1.75;
}

.facts {
    margin-top: 56px;
    display: grid;
    grid-template-columns: 0.8fr 1.2fr;
    gap: 28px;
    align-items: stretch;
}
.facts-intro {
    background: var(--ink);
    color: #fff;
    border-radius: 18px;
    padding: 36px 32px;
}
.facts-intro h3 {
    font-family: "Noto Serif SC", "Songti SC", serif;
    font-size: 28px;
    letter-spacing: 0.08em;
    margin: 12px 0 14px;
}
.facts-intro p { color: rgba(255,255,255,0.72); font-size: 14px; }
.fact-table {
    background: #fff;
    border: 1px solid var(--line);
    border-radius: 18px;
    overflow: hidden;
}
.fact-row {
    display: grid;
    grid-template-columns: 140px 1fr;
    gap: 12px;
    padding: 16px 24px;
    border-bottom: 1px solid var(--line);
    font-size: 14px;
}
.fact-row:last-child { border-bottom: none; }
.fact-row dt { color: var(--muted); }
.fact-row dd { color: var(--ink); font-weight: 500; }
.fact-row a { color: var(--seal); }
.fact-row a:hover { text-decoration: underline; }

/* Advantages */
.adv-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 18px;
}
.adv-card {
    background: #fff;
    border: 1px solid var(--line);
    border-radius: 16px;
    padding: 28px 22px 26px;
    min-height: 240px;
    transition: transform 0.25s, box-shadow 0.25s;
}
.adv-card:hover { transform: translateY(-4px); box-shadow: var(--shadow); }
.adv-icon {
    width: 44px;
    height: 44px;
    border-radius: 12px;
    background: #f8ecec;
    color: var(--seal);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 18px;
}
.adv-icon svg { width: 22px; height: 22px; stroke: currentColor; fill: none; stroke-width: 1.6; stroke-linecap: round; stroke-linejoin: round; }
.adv-card h3 { font-size: 18px; letter-spacing: 0.08em; margin-bottom: 10px; }
.adv-card p { font-size: 14px; color: var(--ink-soft); }

/* Services */
.service-list { display: grid; gap: 18px; }
.service {
    display: grid;
    grid-template-columns: 88px 1fr 1.1fr;
    gap: 24px;
    padding: 28px 28px;
    border: 1px solid var(--line);
    border-radius: 16px;
    background: #fff;
}
.service-no {
    font-family: "Noto Serif SC", "Songti SC", serif;
    font-size: 28px;
    color: var(--seal);
    letter-spacing: 0.04em;
}
.service h3 { font-size: 20px; letter-spacing: 0.06em; margin-bottom: 8px; }
.service p { color: var(--ink-soft); font-size: 14px; }
.service ul { display: grid; gap: 8px; }
.service li {
    position: relative;
    padding-left: 14px;
    font-size: 14px;
    color: var(--ink-soft);
}
.service li::before {
    content: "";
    position: absolute;
    left: 0;
    top: 0.72em;
    width: 6px;
    height: 1px;
    background: var(--seal);
}

/* Process */
.steps {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 18px;
    counter-reset: step;
}
.step {
    background: #fff;
    border-radius: 16px;
    padding: 26px 22px;
    border: 1px solid var(--line);
}
.step em {
    display: block;
    font-style: normal;
    font-size: 12px;
    letter-spacing: 0.18em;
    color: var(--seal);
    margin-bottom: 12px;
}
.step h3 { font-size: 18px; letter-spacing: 0.06em; margin-bottom: 8px; }
.step p { font-size: 14px; color: var(--ink-soft); }

/* Place */
.place { position: relative; min-height: 560px; display: flex; align-items: center; }
.place-bg {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
}
.place-bg-shade {
    position: absolute;
    inset: 0;
    background: linear-gradient(90deg, rgba(255,255,255,0.2), rgba(28,25,23,0.25));
}
.place-card {
    position: relative;
    width: min(520px, calc(100% - 48px));
    margin-left: max(24px, calc((100% - 1160px) / 2));
    background: rgba(255,255,255,0.96);
    border-radius: 18px;
    padding: 36px 32px;
    box-shadow: var(--shadow);
}
.place-card h2 {
    font-family: "Noto Serif SC", "Songti SC", serif;
    font-size: 32px;
    letter-spacing: 0.08em;
    margin-bottom: 14px;
}
.place-card p { color: var(--ink-soft); font-size: 15px; margin-bottom: 12px; }

/* Gallery */
.gallery {
    display: grid;
    grid-template-columns: 1.3fr 0.7fr;
    gap: 18px;
}
.gallery figure {
    position: relative;
    border-radius: 18px;
    overflow: hidden;
    min-height: 280px;
}
.gallery img { width: 100%; height: 100%; object-fit: cover; min-height: 320px; }
.gallery figcaption {
    position: absolute;
    left: 16px;
    bottom: 16px;
    background: rgba(255,255,255,0.94);
    border-radius: 10px;
    padding: 10px 12px;
    font-size: 13px;
    letter-spacing: 0.04em;
}

/* FAQ */
.faq { display: grid; gap: 10px; }
.faq-item {
    background: #fff;
    border: 1px solid var(--line);
    border-radius: 14px;
    padding: 0 22px;
}
.faq-item summary {
    cursor: pointer;
    list-style: none;
    padding: 18px 28px 18px 0;
    font-size: 16px;
    font-weight: 600;
    letter-spacing: 0.03em;
    position: relative;
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after {
    content: "+";
    position: absolute;
    right: 0;
    top: 16px;
    color: var(--seal);
    font-size: 22px;
    font-weight: 400;
}
.faq-item[open] summary::after { content: "–"; }
.faq-item p {
    color: var(--ink-soft);
    font-size: 14px;
    padding-bottom: 18px;
    max-width: 820px;
}

/* Contact */
.contact-grid {
    display: grid;
    grid-template-columns: 0.9fr 1.1fr;
    gap: 36px;
    align-items: start;
}
.contact-card, .form-card {
    background: #fff;
    border: 1px solid var(--line);
    border-radius: 18px;
    padding: 32px;
}
.contact-card h3, .form-card h3 {
    font-family: "Noto Serif SC", "Songti SC", serif;
    font-size: 26px;
    letter-spacing: 0.06em;
    margin-bottom: 10px;
}
.contact-card > p, .form-card > p { color: var(--ink-soft); font-size: 14px; margin-bottom: 22px; }
.contact-line { padding: 14px 0; border-top: 1px solid var(--line); }
.contact-line .k { font-size: 12px; color: var(--muted); letter-spacing: 0.12em; }
.contact-line .v { font-size: 16px; margin-top: 2px; }
.contact-line a { color: var(--seal); }
.form-row { margin-bottom: 14px; }
.form-row label { display: block; font-size: 13px; margin-bottom: 6px; }
.form-row input, .form-row textarea {
    width: 100%;
    border: 1px solid var(--line);
    background: var(--sand);
    border-radius: 10px;
    padding: 12px 14px;
    font-size: 14px;
    color: var(--ink);
    outline: none;
}
.form-row textarea { min-height: 120px; resize: vertical; }
.form-row input:focus, .form-row textarea:focus { border-color: #c4a3a3; background: #fff; }
.form-submit {
    width: 100%;
    border: none;
    background: var(--ink);
    color: #fff;
    border-radius: 999px;
    padding: 13px 18px;
    letter-spacing: 0.14em;
    cursor: pointer;
}
.form-submit:hover { background: #000; }
.form-note { margin-top: 12px; font-size: 13px; color: var(--seal-deep); }

/* Footer */
.footer { background: var(--sand); border-top: 1px solid var(--line); padding: 56px 0 24px; }
.footer-grid {
    display: grid;
    grid-template-columns: 1.4fr 1fr 1fr 1fr;
    gap: 28px;
    padding-bottom: 28px;
}
.footer-brand img { height: 42px; width: auto; margin-bottom: 14px; }
.footer-brand p, .footer a, .footer li { font-size: 13px; color: var(--ink-soft); }
.footer h4 { font-size: 14px; letter-spacing: 0.12em; margin-bottom: 14px; }
.footer a { display: block; margin-bottom: 8px; }
.footer a:hover { color: var(--seal); }
.footer-bottom {
    border-top: 1px solid var(--line);
    padding-top: 16px;
    display: flex;
    justify-content: space-between;
    gap: 12px;
    font-size: 12px;
    color: var(--muted);
}

/* Inner pages */
.page-main { padding: 132px 0 80px; }
.page-main h1 {
    font-family: "Noto Serif SC", "Songti SC", serif;
    font-size: 40px;
    letter-spacing: 0.08em;
    margin: 8px 0 12px;
}
.page-main .updated { color: var(--muted); font-size: 13px; margin-bottom: 28px; }
.prose { max-width: 800px; }
.prose h2 { font-size: 20px; margin: 28px 0 8px; letter-spacing: 0.04em; }
.prose p, .prose li { color: var(--ink-soft); font-size: 15px; margin-bottom: 10px; }
.prose ul { padding-left: 1.1em; list-style: disc; }
.prose a { color: var(--seal); }

@media (max-width: 980px) {
    .hero-grid, .about-grid, .facts, .contact-grid, .gallery, .footer-grid { grid-template-columns: 1fr; }
    .adv-grid, .steps { grid-template-columns: 1fr 1fr; }
    .service { grid-template-columns: 64px 1fr; }
    .service ul { grid-column: 1 / -1; }
    .hero h1 { font-size: 40px; }
    .hero-figure img, .about-photo img { height: 360px; }
    .place { min-height: 0; padding: 48px 0; }
    .place-bg { min-height: 100%; }
    .place-card { margin: 180px 24px 0; }
}
@media (max-width: 760px) {
    .wrap, .nav-inner { width: min(1160px, calc(100% - 32px)); }
    .navbar:has(.menu-toggle) .menu-toggle { display: flex; }
    .navbar:has(.menu-toggle) .nav-links {
        display: none;
        position: absolute;
        top: 76px;
        left: 0;
        right: 0;
        background: #fff;
        flex-direction: column;
        align-items: flex-start;
        padding: 8px 20px 18px;
        border-bottom: 1px solid var(--line);
        gap: 4px;
    }
    .navbar.open .nav-links { display: flex; }
    .navbar:not(:has(.menu-toggle)) .nav-inner {
        height: auto;
        min-height: 76px;
        flex-wrap: wrap;
        padding: 12px 0;
    }
    .navbar:not(:has(.menu-toggle)) .nav-links { flex-wrap: wrap; gap: 10px 16px; }
    .nav-links a { padding: 10px 0; }
    .adv-grid, .steps, .pillar-bar { grid-template-columns: 1fr; }
    .pillar { border-right: none; border-bottom: 1px solid var(--line); }
    .hero { padding-top: 112px; }
    .hero h1 { font-size: 32px; letter-spacing: 0.08em; }
    .section { padding: 72px 0; }
    .section-head h2, .block-title, .place-card h2 { font-size: 28px; }
    .fact-row { grid-template-columns: 1fr; gap: 2px; }
    .footer-bottom { flex-direction: column; }
    .service { grid-template-columns: 1fr; }
}