/* ============================================================
   法国之光葡萄酒 · 静态站点样式
   纯 HTML/CSS/JS 响应式布局
   ============================================================ */

:root {
    --wine: #7a1e2d;
        --wine-dark: #5d1622;
    --wine-bright: #9c0000;
    --gold: #c0a062;
    --sand: #a79c88;
    --ink: #2b241d;
    --ink-soft: #6f6459;
    --cream: #faf7f0;
    --paper: #ffffff;
    --line: #e9e2d6;
    --shadow-sm: 0 2px 10px rgba(43, 36, 29, .07);
    --shadow-md: 0 10px 30px rgba(43, 36, 29, .12);
    --radius: 14px;
    --font-serif: "Noto Serif SC", "Songti SC", "STSong", "SimSun", Georgia, serif;
    --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
}

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

html { scroll-behavior: smooth; }

body {
    font-family: var(--font-sans);
    color: var(--ink);
    background: var(--cream);
    line-height: 1.75;
    -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; }

.wrap {
    width: min(1180px, 92%);
    margin-inline: auto;
}

/* ---------- 顶部欢迎条 ---------- */
.topbar {
    background: var(--wine-dark);
    color: #e9dcc8;
    font-size: 13px;
    letter-spacing: .02em;
}
.topbar .wrap {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 12px;
    padding: 7px 0;
}
.topbar a { color: #f3e9d2; }
.topbar a:hover { color: var(--gold); }
.topbar .topbar-phone { font-weight: 600; }

/* ---------- 头部导航 ---------- */
.site-header {
    position: sticky;
    top: 0;
    z-index: 100;
    background: rgba(250, 247, 240, .92);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--line);
}
.site-header .wrap {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 20px;
    padding: 12px 0;
}
.brand { display: flex; align-items: center; gap: 12px; flex-shrink: 0; }
.brand img { height: 46px; width: auto; }
.brand-name {
    font-family: var(--font-serif);
    font-size: 20px;
    font-weight: 700;
    color: var(--wine);
    letter-spacing: .12em;
    white-space: nowrap;
}
.brand-sub {
    display: block;
    font-family: var(--font-serif);
    font-size: 11px;
    color: var(--sand);
    letter-spacing: .22em;
    font-weight: 400;
}

.main-nav { display: flex; align-items: center; gap: 6px; }
.main-nav a {
    display: inline-block;
    padding: 8px 18px;
    border-radius: 999px;
    font-size: 15px;
    color: var(--ink);
    transition: color .2s, background .2s;
}
.main-nav a:hover { color: var(--wine); background: rgba(122, 30, 45, .07); }
.main-nav a.active {
    color: #fff;
    background: var(--wine);
}
.nav-cta {
    margin-left: 10px;
    padding: 9px 20px !important;
    border-radius: 999px;
    background: var(--wine);
    color: #fff !important;
    font-weight: 600;
    box-shadow: var(--shadow-sm);
}
.nav-cta:hover { background: var(--wine-dark); }

.nav-toggle {
    display: none;
    flex-direction: column;
    justify-content: center;
    gap: 5px;
    width: 42px;
    height: 42px;
    border: 1px solid var(--line);
    border-radius: 10px;
    background: var(--paper);
    cursor: pointer;
    padding: 10px;
}
.nav-toggle span {
    display: block;
    height: 2px;
    width: 100%;
    background: var(--wine);
    border-radius: 2px;
    transition: transform .25s, opacity .25s;
}
.nav-toggle.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle.open span:nth-child(2) { opacity: 0; }
.nav-toggle.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ---------- 首页 Hero ---------- */
.hero {
    position: relative;
    min-height: clamp(420px, 62vh, 640px);
    display: flex;
    align-items: center;
    overflow: hidden;
    background: var(--wine-dark);
}
.hero-bg {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center 38%;
    opacity: .82;
}
.hero::after {
    content: "";
    position: absolute;
    inset: 0;
    background: linear-gradient(100deg, rgba(45, 10, 16, .82) 6%, rgba(45, 10, 16, .38) 52%, rgba(45, 10, 16, .12) 100%);
}
.hero-inner {
    position: relative;
    z-index: 2;
    color: #fff;
    padding: 72px 0 84px;
}
.hero-eyebrow {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    font-size: 13px;
    letter-spacing: .35em;
    color: var(--gold);
    text-transform: uppercase;
    margin-bottom: 18px;
}
.hero-eyebrow::before {
    content: "";
    width: 34px;
    height: 1px;
    background: var(--gold);
}
.hero-title {
    font-family: var(--font-serif);
    font-size: clamp(34px, 5.4vw, 60px);
    font-weight: 700;
    letter-spacing: .1em;
    line-height: 1.25;
    margin-bottom: 16px;
}
.hero-slogan {
    font-family: var(--font-serif);
    font-size: clamp(15px, 2vw, 20px);
    color: #e8d9c0;
    letter-spacing: .14em;
    margin-bottom: 34px;
}
.hero-actions { display: flex; flex-wrap: wrap; gap: 14px; }
.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 13px 30px;
    border-radius: 999px;
    font-size: 15px;
    font-weight: 600;
    letter-spacing: .06em;
    cursor: pointer;
    border: 1px solid transparent;
    transition: transform .2s, box-shadow .2s, background .2s, color .2s;
}
.btn:hover { transform: translateY(-2px); box-shadow: var(--shadow-md); }
.btn-wine { background: var(--wine); color: #fff; }
.btn-wine:hover { background: var(--wine-dark); }
.btn-ghost { border-color: rgba(255, 255, 255, .65); color: #fff; }
.btn-ghost:hover { background: #fff; color: var(--wine); }
.btn-outline { border-color: var(--wine); color: var(--wine); background: transparent; }
.btn-outline:hover { background: var(--wine); color: #fff; }

/* ---------- 通用节 ---------- */
.section { padding: clamp(56px, 8vw, 96px) 0; }
.section-head { text-align: center; margin-bottom: clamp(32px, 5vw, 56px); }
.section-kicker {
    font-size: 13px;
    letter-spacing: .35em;
    color: var(--gold);
    text-transform: uppercase;
    margin-bottom: 10px;
}
.section-title {
    font-family: var(--font-serif);
    font-size: clamp(26px, 3.6vw, 40px);
    color: var(--wine);
    letter-spacing: .1em;
}
.section-title::after {
    content: "";
    display: block;
    width: 52px;
    height: 3px;
    margin: 16px auto 0;
    border-radius: 3px;
    background: linear-gradient(90deg, var(--gold), var(--wine));
}
.section-desc {
    max-width: 720px;
    margin: 18px auto 0;
    color: var(--ink-soft);
    font-size: 15px;
}

/* ---------- 品牌故事 ---------- */
.story { background: var(--paper); }
.story-grid {
    display: grid;
    grid-template-columns: 1fr 1.15fr;
    gap: clamp(32px, 6vw, 72px);
    align-items: center;
}
.story-logo {
    background: var(--cream);
    border: 1px solid var(--line);
    border-radius: var(--radius);
    padding: clamp(28px, 5vw, 56px);
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: var(--shadow-sm);
}
.story-logo img { max-height: 220px; width: auto; }
.story-text h2 {
    font-family: var(--font-serif);
    font-size: clamp(24px, 3vw, 34px);
    color: var(--wine);
    letter-spacing: .08em;
    margin-bottom: 20px;
}
.story-text p {
    color: var(--ink-soft);
    text-indent: 2em;
    margin-bottom: 14px;
    font-size: 15.5px;
}
.story-tags { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 22px; }
.story-tags span {
    padding: 6px 16px;
    border: 1px solid var(--line);
    border-radius: 999px;
    font-size: 13px;
    color: var(--sand);
    background: var(--cream);
}

/* ---------- 产品网格 ---------- */
.product-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(230px, 1fr));
    gap: clamp(18px, 2.6vw, 28px);
}
.product-card {
    display: flex;
    flex-direction: column;
    background: var(--paper);
    border: 1px solid var(--line);
    border-radius: var(--radius);
    overflow: hidden;
    transition: transform .25s, box-shadow .25s;
}
.product-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-md); }
.product-card .thumb {
    position: relative;
    aspect-ratio: 4 / 5;
    overflow: hidden;
    background: #f4efe6;
}
.product-card .thumb img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform .5s;
}
.product-card:hover .thumb img { transform: scale(1.05); }
.product-card .thumb::after {
    content: "查看详情";
    position: absolute;
    inset: auto 0 0 0;
    padding: 30px 0 12px;
    text-align: center;
    font-size: 13px;
    letter-spacing: .3em;
    color: #fff;
    background: linear-gradient(180deg, transparent, rgba(93, 22, 34, .85));
    opacity: 0;
    transform: translateY(8px);
    transition: opacity .3s, transform .3s;
}
.product-card:hover .thumb::after { opacity: 1; transform: translateY(0); }
.product-card .info {
    padding: 14px 16px 16px;
    text-align: center;
}
.product-card .name {
    font-family: var(--font-serif);
    font-size: 15.5px;
    font-weight: 600;
    color: var(--ink);
    line-height: 1.5;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    min-height: 3em;
}
.product-card .more {
    margin-top: 8px;
    font-size: 12px;
    letter-spacing: .25em;
    color: var(--gold);
}

/* ---------- 页头横幅（内页） ---------- */
.page-hero {
    position: relative;
    min-height: clamp(220px, 32vh, 340px);
    display: flex;
    align-items: center;
    background: var(--wine-dark);
    overflow: hidden;
}
.page-hero img {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center 40%;
    opacity: .55;
}
.page-hero::after {
    content: "";
    position: absolute;
    inset: 0;
    background: linear-gradient(90deg, rgba(45, 10, 16, .78), rgba(45, 10, 16, .25));
}
.page-hero .wrap { position: relative; z-index: 2; color: #fff; padding: 48px 0; }
.page-hero h1 {
    font-family: var(--font-serif);
    font-size: clamp(28px, 4vw, 44px);
    letter-spacing: .14em;
    margin-bottom: 10px;
}
.page-hero p { color: #e8d9c0; letter-spacing: .2em; font-size: 14px; }

/* ---------- 面包屑 ---------- */
.breadcrumb {
    font-size: 13px;
    color: var(--ink-soft);
    padding: 18px 0 0;
}
.breadcrumb ol { display: flex; flex-wrap: wrap; gap: 8px; align-items: center; }
.breadcrumb li + li::before {
    content: "/";
    margin-right: 8px;
    color: var(--sand);
}
.breadcrumb a:hover { color: var(--wine); }
.breadcrumb [aria-current] { color: var(--wine); }

/* ---------- 产品详情 ---------- */
.detail { padding: 26px 0 clamp(56px, 8vw, 96px); }
.detail-top {
    display: grid;
    grid-template-columns: minmax(280px, 460px) 1fr;
    gap: clamp(28px, 5vw, 64px);
    align-items: start;
    margin-top: 22px;
}
.detail-cover {
    background: var(--paper);
    border: 1px solid var(--line);
    border-radius: var(--radius);
    padding: 18px;
    box-shadow: var(--shadow-sm);
    position: sticky;
    top: 96px;
}
.detail-cover img {
    width: 100%;
    border-radius: 8px;
    background: #f4efe6;
}
.detail-info { padding-top: 6px; }
.detail-tag {
    display: inline-block;
    padding: 4px 14px;
    border-radius: 999px;
    background: rgba(122, 30, 45, .08);
    color: var(--wine);
    font-size: 12.5px;
    letter-spacing: .2em;
    margin-bottom: 14px;
}
.detail-info h1 {
    font-family: var(--font-serif);
    font-size: clamp(24px, 3.2vw, 36px);
    color: var(--ink);
    letter-spacing: .04em;
    line-height: 1.4;
    margin-bottom: 18px;
}
.detail-divider {
    border: 0;
    border-top: 1px dashed var(--line);
    margin: 20px 0;
}
.detail-phone {
    display: flex;
    align-items: center;
    gap: 14px;
    flex-wrap: wrap;
}
.detail-phone .label { font-size: 14px; color: var(--ink-soft); }
.detail-phone .number {
    font-family: var(--font-serif);
    font-size: clamp(22px, 2.6vw, 30px);
    font-weight: 700;
    color: var(--wine-bright);
    letter-spacing: .04em;
}
.detail-phone .number:hover { color: var(--wine); }
.detail-note { margin-top: 22px; color: var(--ink-soft); font-size: 14px; }

.detail-body { margin-top: clamp(40px, 6vw, 64px); }
.detail-body h2 {
    font-family: var(--font-serif);
    font-size: clamp(20px, 2.6vw, 26px);
    color: var(--wine);
    letter-spacing: .12em;
    text-align: center;
    margin-bottom: 28px;
}
.detail-body h2::after {
    content: "";
    display: block;
    width: 40px;
    height: 2px;
    margin: 12px auto 0;
    background: var(--gold);
}
.detail-imgs {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 18px;
}
.detail-imgs figure {
    width: min(860px, 100%);
    background: var(--paper);
    border: 1px solid var(--line);
    border-radius: var(--radius);
    padding: 14px;
    box-shadow: var(--shadow-sm);
}
.detail-imgs img {
    width: 100%;
    border-radius: 8px;
    background: #f4efe6;
}

/* ---------- 上一篇/下一篇 ---------- */
.post-pager {
    display: flex;
    justify-content: space-between;
    gap: 14px;
    margin-top: clamp(40px, 6vw, 64px);
    flex-wrap: wrap;
}
.post-pager a {
    flex: 1 1 240px;
    display: flex;
    align-items: center;
    gap: 12px;
    background: var(--paper);
    border: 1px solid var(--line);
    border-radius: var(--radius);
    padding: 14px 18px;
    transition: border-color .2s, box-shadow .2s;
}
.post-pager a:hover { border-color: var(--wine); box-shadow: var(--shadow-sm); }
.post-pager .arrow { color: var(--gold); font-size: 18px; flex-shrink: 0; }
.post-pager .t { font-size: 12px; color: var(--sand); letter-spacing: .15em; }
.post-pager .n {
    font-family: var(--font-serif);
    font-size: 15px;
    font-weight: 600;
    color: var(--ink);
    display: -webkit-box;
    -webkit-line-clamp: 1;
    -webkit-box-orient: vertical;
    overflow: hidden;
}
.post-pager a.next { text-align: right; flex-direction: row-reverse; }

/* ---------- 咨询条 ---------- */
.cta-band {
    background: linear-gradient(120deg, var(--wine-dark), var(--wine) 60%, #8d3040);
    color: #fff;
}
.cta-band .wrap {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 20px;
    flex-wrap: wrap;
    padding: clamp(30px, 4vw, 46px) 0;
}
.cta-band h2 {
    font-family: var(--font-serif);
    font-size: clamp(20px, 2.8vw, 28px);
    letter-spacing: .1em;
    margin-bottom: 6px;
}
.cta-band p { color: #ecdcc4; font-size: 14px; letter-spacing: .05em; }
.cta-band .btn-gold {
    background: var(--gold);
    color: #3d2c10;
    font-weight: 700;
}
.cta-band .btn-gold:hover { background: #cfb077; }

/* ---------- 页脚 ---------- */
.site-footer { background: #241d17; color: #b8a88f; }
.site-footer .wrap {
    padding: clamp(40px, 6vw, 64px) 0 28px;
}
.footer-grid {
    display: grid;
    grid-template-columns: 220px 1fr;
    gap: clamp(28px, 5vw, 64px);
    align-items: start;
}
.footer-logo { text-align: center; }
.footer-logo img {
    max-height: 130px;
    width: auto;
    margin-inline: auto;
    filter: brightness(1.06);
}
.footer-story h3 {
    font-family: var(--font-serif);
    color: #e6d7bd;
    font-size: 18px;
    letter-spacing: .15em;
    margin-bottom: 14px;
}
.footer-story p {
    font-size: 14px;
    line-height: 2;
    color: #b8a88f;
    text-indent: 2em;
}
.footer-bottom {
    border-top: 1px solid rgba(184, 168, 143, .18);
    margin-top: 34px;
    padding-top: 20px;
    text-align: center;
    font-size: 13px;
    color: #8d7f68;
    letter-spacing: .06em;
}

/* ---------- 返回顶部 ---------- */
.back-top {
    position: fixed;
    right: 22px;
    bottom: 26px;
    width: 44px;
    height: 44px;
    border-radius: 50%;
    border: 0;
    background: var(--wine);
    color: #fff;
    font-size: 18px;
    cursor: pointer;
    box-shadow: var(--shadow-md);
    opacity: 0;
    visibility: hidden;
    transform: translateY(10px);
    transition: opacity .25s, transform .25s, visibility .25s, background .2s;
    z-index: 90;
}
.back-top.show { opacity: 1; visibility: visible; transform: translateY(0); }
.back-top:hover { background: var(--wine-dark); }

/* ---------- 响应式 ---------- */
@media (max-width: 900px) {
    .story-grid { grid-template-columns: 1fr; }
    .story-logo { order: -1; }
    .detail-top { grid-template-columns: 1fr; }
    .detail-cover { position: static; max-width: 420px; margin-inline: auto; }
}

@media (max-width: 768px) {
    .topbar .welcome { display: none; }
    .topbar .wrap { justify-content: center; }
    .nav-toggle { display: flex; }
    .main-nav {
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        flex-direction: column;
        align-items: stretch;
        gap: 4px;
        background: var(--paper);
        border-bottom: 1px solid var(--line);
        padding: 12px 4%;
        box-shadow: var(--shadow-md);
        display: none;
    }
    .main-nav.open { display: flex; }
    .main-nav a { padding: 12px 16px; border-radius: 10px; }
    .nav-cta { margin: 6px 0 0; text-align: center; }
    .brand img { height: 38px; }
    .brand-name { font-size: 17px; }
    .hero-actions .btn { flex: 1 1 auto; justify-content: center; }
    .cta-band .wrap { justify-content: center; text-align: center; }
    .footer-grid { grid-template-columns: 1fr; }
    .footer-logo img { max-height: 100px; }
    .post-pager a, .post-pager a.next { text-align: left; flex-direction: row; }
}

@media (max-width: 420px) {
    .product-grid { grid-template-columns: repeat(2, 1fr); gap: 12px; }
    .product-card .info { padding: 10px 8px 12px; }
    .product-card .name { font-size: 13px; }
    .product-card .more { display: none; }
}