/* =====================================================================
   优品汇—院线护肤集合站 · 前端样式 v2
   设计语言：暖象牙 · 深摩卡 · 香槟金（高端院线护肤调性）
   ===================================================================== */

:root {
    --color-primary: #a38560;          /* 香槟金 */
    --color-primary-dark: #7a6246;     /* 深摩卡 */
    --color-primary-deep: #4a3a2b;     /* 深咖 */
    --color-primary-light: #c9ad85;    /* 浅香槟 */
    --color-gold: #c6a15b;             /* 鎏金 */
    --color-accent: #b07a5a;           /* 陶土棕 */
    --color-accent-deep: #8f5f44;
    --color-ink: #241d15;              /* 深咖啡黑 */
    --color-bg: #faf7f2;               /* 暖象牙 */
    --color-bg-warm: #f2ece1;          /* 暖米 */
    --color-bg-deep: #2b221a;          /* 页脚深底 */
    --color-card: #ffffff;
    --color-text: #2b231b;
    --color-text-light: #94887a;
    --color-text-faint: #b3a793;
    --color-border: #e8e0d2;
    --color-overlay: rgba(36, 29, 21, 0.55);

    --shadow-sm: 0 1px 2px rgba(60, 45, 30, 0.05);
    --shadow-md: 0 10px 30px rgba(60, 45, 30, 0.08);
    --shadow-lg: 0 22px 60px rgba(60, 45, 30, 0.12);
    --shadow-gold: 0 10px 26px rgba(163, 133, 96, 0.28);

    --radius: 6px;
    --radius-lg: 14px;
    --radius-xl: 22px;
    --container: 1320px;
    --header-h: 74px;

    --font-serif: "Cormorant Garamond", "Noto Serif SC", "Source Han Serif SC", "Songti SC", "STSong", "SimSun", Georgia, serif;
    --font-sans: "PingFang SC", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;

    --transition: 0.4s cubic-bezier(0.22, 0.61, 0.36, 1);
}

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

html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }

body {
    font-family: var(--font-sans);
    color: var(--color-text);
    background: var(--color-bg);
    line-height: 1.75;
    font-size: 15px;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    text-rendering: optimizeLegibility;
    overflow-x: hidden;
}

img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; transition: color var(--transition), border-color var(--transition), background var(--transition), box-shadow var(--transition), transform var(--transition); }
a:hover { color: var(--color-primary); }
ul { list-style: none; }

.container { max-width: var(--container); margin: 0 auto; padding: 0 24px; }
::selection { background: rgba(163, 133, 96, 0.22); color: var(--color-text); }

/* 无障碍：跳转到主内容 */
.skip-link { position: absolute; left: -9999px; top: 0; z-index: 2000; background: var(--color-primary-deep); color: #fff; padding: 10px 18px; border-radius: 0 0 8px 0; }
.skip-link:focus { left: 0; }

/* ===================== 按钮 ===================== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 13px 32px;
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
    color: #fff;
    border: 1px solid transparent;
    border-radius: 40px;
    font-size: 14px;
    letter-spacing: 2px;
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition);
    box-shadow: var(--shadow-gold);
    position: relative;
    overflow: hidden;
}
.btn::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(120deg, transparent 30%, rgba(255, 255, 255, 0.25) 50%, transparent 70%);
    transform: translateX(-120%);
    transition: transform 0.7s ease;
}
.btn:hover { color: #fff; transform: translateY(-2px); box-shadow: 0 16px 34px rgba(122, 98, 70, 0.34); }
.btn:hover::after { transform: translateX(120%); }
.btn-outline { background: transparent; border-color: var(--color-primary); color: var(--color-primary); box-shadow: none; }
.btn-outline:hover { background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%); color: #fff; box-shadow: var(--shadow-gold); }
.btn-ghost { background: rgba(255, 255, 255, 0.06); border: 1px solid rgba(255, 255, 255, 0.65); color: #fff; box-shadow: none; backdrop-filter: blur(4px); }
.btn-ghost:hover { background: rgba(255, 255, 255, 0.16); color: #fff; transform: translateY(-2px); }
.btn-sm { padding: 9px 20px; font-size: 13px; letter-spacing: 1.5px; }

/* ===================== 通用区块 ===================== */
.section { padding: 88px 0; position: relative; overflow: hidden; }
.section + .section { border-top: 1px solid rgba(60, 45, 30, 0.05); }
.section-alt { background: linear-gradient(180deg, #fff 0%, var(--color-bg) 100%); }
.section-deep { background: var(--color-bg-deep); color: #e8ddcf; }
.section-deep .section-title h2 { color: #f6efe6; }
.section-deep .section-title p { color: rgba(232, 221, 207, 0.72); }

.section-title { text-align: center; margin-bottom: 52px; position: relative; }
.title-label {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    font-size: 12px;
    font-weight: 600;
    letter-spacing: 4px;
    color: var(--color-primary);
    margin-bottom: 14px;
    text-transform: uppercase;
}
.title-label::before, .title-label::after { content: ''; width: 26px; height: 1px; background: linear-gradient(90deg, transparent, var(--color-gold)); }
.title-label::after { background: linear-gradient(90deg, var(--color-gold), transparent); }
.section-title h2 {
    font-family: var(--font-serif);
    font-size: 34px;
    font-weight: 400;
    letter-spacing: 2px;
    color: var(--color-text);
    line-height: 1.35;
}
.section-title p {
    color: var(--color-text-light);
    margin-top: 14px;
    font-size: 14px;
    letter-spacing: 1px;
    max-width: 520px;
    margin-left: auto;
    margin-right: auto;
}
.section-title--left { text-align: left; }
.section-title--left .title-label::before, .section-title--left .title-label::after { display: none; }
.section-title--left p { margin-left: 0; }
.section-actions { text-align: center; margin-top: 48px; }

/* ===================== 顶部信息条 ===================== */
.topbar { background: var(--color-bg-deep); color: rgba(232, 221, 207, 0.85); font-size: 12px; letter-spacing: 0.5px; position: relative; z-index: 101; }
.topbar-inner { display: flex; align-items: center; justify-content: space-between; gap: 16px; height: 36px; }
.topbar-slogan { color: var(--color-primary-light); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.topbar-contact { display: flex; gap: 18px; align-items: center; white-space: nowrap; }
.topbar-contact a { color: rgba(232, 221, 207, 0.85); display: inline-flex; align-items: center; gap: 6px; }
.topbar-contact a:hover { color: #fff; }
.topbar-contact svg { width: 14px; height: 14px; opacity: 0.85; }

/* ===================== 头部导航 ===================== */
.site-header { position: relative; z-index: 100; }
.header-main {
    position: sticky;
    top: 0;
    z-index: 100;
    background: rgba(255, 255, 255, 0.94);
    backdrop-filter: blur(14px);
    -webkit-backdrop-filter: blur(14px);
    border-bottom: 1px solid transparent;
    transition: box-shadow var(--transition), border-color var(--transition);
}
.header-main.scrolled { border-bottom-color: var(--color-border); box-shadow: 0 8px 30px rgba(60, 45, 30, 0.08); }
.header-inner { display: flex; align-items: center; justify-content: space-between; gap: 16px; height: var(--header-h); max-width: 1400px; margin: 0 auto; }

.logo { display: flex; align-items: center; gap: 12px; flex-shrink: 0; }
.logo-mark {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: linear-gradient(140deg, var(--color-primary-light), var(--color-primary-dark));
    color: #fff;
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: var(--font-serif);
    font-size: 18px;
    box-shadow: 0 4px 12px rgba(122, 98, 70, 0.3);
}
.logo-text, .logo-sub { display: block; }
.logo-text { font-family: var(--font-serif); font-size: 21px; letter-spacing: 3px; color: var(--color-primary-deep); line-height: 1.1; }
.logo-sub { margin-top: 3px; font-size: 10px; letter-spacing: 2.5px; color: var(--color-text-faint); text-transform: uppercase; }

.main-nav { flex-shrink: 0; }
.main-nav ul { display: flex; gap: 2px; flex-wrap: nowrap; }
.main-nav a {
    display: inline-flex;
    flex-direction: row;
    align-items: center;
    gap: 6px;
    padding: 8px 12px;
    font-size: 15px;
    color: var(--color-text);
    border-radius: 8px;
    position: relative;
    font-weight: 400;
    letter-spacing: 0.5px;
    white-space: nowrap;
}
.main-nav a span { white-space: nowrap; flex-shrink: 0; }
.main-nav a::after {
    content: '';
    position: absolute;
    left: 12px;
    right: 12px;
    bottom: 4px;
    height: 2px;
    border-radius: 2px;
    background: linear-gradient(90deg, var(--color-gold), var(--color-primary));
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.35s cubic-bezier(0.22, 0.61, 0.36, 1);
}
.main-nav a:hover::after, .main-nav a.active::after { transform: scaleX(1); }
.main-nav a.active, .main-nav a:hover { color: var(--color-primary-dark); }
.nav-svg { width: 17px; height: 17px; flex-shrink: 0; stroke-width: 1.7; }

.header-search {
    display: flex;
    align-items: center;
    flex: 0 1 260px;
    max-width: 280px;
    background: var(--color-bg);
    border: 1px solid var(--color-border);
    border-radius: 40px;
    padding-left: 4px;
    transition: var(--transition);
}
.header-search:focus-within { border-color: var(--color-primary-light); box-shadow: 0 0 0 3px rgba(163, 133, 96, 0.12); background: #fff; }
.header-search input { flex: 1; border: none; background: transparent; padding: 9px 6px 9px 14px; font-size: 14px; outline: none; color: var(--color-text); min-width: 0; }
.header-search button {
    background: linear-gradient(135deg, var(--color-primary), var(--color-primary-dark));
    border: none;
    width: 34px;
    height: 34px;
    border-radius: 50%;
    margin-right: 3px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
}
.header-search button:hover { transform: scale(1.06); box-shadow: var(--shadow-gold); }
.header-search button img { width: 15px; height: 15px; object-fit: contain; filter: invert(1); }

.header-cta { flex-shrink: 0; }
.nav-toggle { display: none; flex-direction: column; gap: 5px; background: none; border: none; cursor: pointer; padding: 8px; flex-shrink: 0; }
.nav-toggle span { width: 24px; height: 2px; background: var(--color-text); transition: var(--transition); border-radius: 2px; }
.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); }

/* ===================== 通知滚动条 ===================== */
.header-notice { display: inline-flex; align-items: center; gap: 8px; max-width: 360px; height: 30px; overflow: hidden; position: relative; color: inherit; flex: 0 1 auto; min-width: 0; }
.header-notice:hover { color: inherit; }
.notice-icon-img { flex-shrink: 0; width: 16px; height: 16px; object-fit: contain; opacity: 0.9; }
.header-notice .notice-scroll-wrap { flex: 1; overflow: hidden; position: relative; height: 100%; }
.header-notice .notice-scroll-track { display: flex; flex-direction: column; transition: transform 0.5s cubic-bezier(0.4, 0, 0.2, 1); }
.header-notice .notice-item { height: 30px; display: flex; align-items: center; font-size: 12px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }

/* ===================== Hero ===================== */
.hero { position: relative; overflow: hidden; background: var(--color-ink); }
.hero-bg-image { position: relative; width: 100%; height: clamp(460px, 54vw, 660px); overflow: hidden; }
.hero-bg-image img { width: 100%; height: 100%; object-fit: cover; object-position: center; animation: heroZoom 16s ease-out forwards; }
@keyframes heroZoom { from { transform: scale(1.08); } to { transform: scale(1); } }
.hero-overlay {
    position: absolute;
    inset: 0;
    background:
        linear-gradient(180deg, rgba(30, 22, 14, 0.42) 0%, rgba(30, 22, 14, 0.18) 42%, rgba(22, 16, 10, 0.78) 100%),
        radial-gradient(ellipse at 50% 30%, rgba(255, 255, 255, 0.08), transparent 55%);
    z-index: 1;
}
.hero-content {
    position: absolute;
    top: 52%;
    left: 50%;
    transform: translate(-50%, -50%);
    z-index: 2;
    text-align: center;
    width: 100%;
    padding: 0 24px;
    color: #fff;
    animation: heroContentIn 1.1s ease-out both;
}
@keyframes heroContentIn { from { opacity: 0; transform: translate(-50%, calc(-50% + 26px)); } to { opacity: 1; transform: translate(-50%, -50%); } }
.hero-eyebrow { display: inline-flex; align-items: center; gap: 14px; font-size: 12px; letter-spacing: 5px; text-transform: uppercase; color: rgba(255, 255, 255, 0.85); margin-bottom: 22px; }
.hero-eyebrow::before, .hero-eyebrow::after { content: ''; width: 34px; height: 1px; background: rgba(255, 255, 255, 0.5); }
.hero-title { font-family: var(--font-serif); font-size: clamp(36px, 5.2vw, 62px); font-weight: 400; line-height: 1.3; letter-spacing: 6px; text-shadow: 0 3px 24px rgba(0, 0, 0, 0.45); }
.hero-title em { font-style: normal; color: var(--color-primary-light); }
.hero-sub { margin-top: 20px; font-size: 15px; letter-spacing: 3px; color: rgba(255, 255, 255, 0.92); text-shadow: 0 2px 14px rgba(0, 0, 0, 0.5); }
.hero-actions { margin-top: 34px; display: flex; gap: 16px; justify-content: center; flex-wrap: wrap; }
.hero-scroll { position: absolute; left: 50%; bottom: 84px; transform: translateX(-50%); z-index: 3; width: 26px; height: 42px; border: 1.5px solid rgba(255, 255, 255, 0.7); border-radius: 14px; display: flex; justify-content: center; }
.hero-scroll::after { content: ''; width: 3px; height: 8px; border-radius: 2px; background: #fff; margin-top: 7px; animation: scrollDot 1.8s ease-in-out infinite; }
@keyframes scrollDot { 0% { transform: translateY(0); opacity: 1; } 70% { transform: translateY(12px); opacity: 0; } 100% { opacity: 0; } }
.hero-wave { position: absolute; left: 0; right: 0; bottom: -1px; height: 72px; background: var(--color-bg); border-radius: 50% 50% 0 0 / 100% 100% 0 0; transform: scale(1.01); z-index: 2; }/* ===================== 数据统计带 ===================== */
.stats-band { position: relative; z-index: 5; margin-top: -64px; }
.stats-grid { display: grid; grid-template-columns: repeat(4, 1fr); background: var(--color-card); border-radius: var(--radius-xl); box-shadow: var(--shadow-lg); overflow: hidden; }
.stat-item { position: relative; padding: 30px 20px; text-align: center; }
.stat-item::before { content: ''; position: absolute; top: 24%; left: 0; width: 1px; height: 52%; background: var(--color-border); }
.stat-item:first-child::before { display: none; }
.stat-num { font-family: var(--font-serif); font-size: 40px; font-weight: 500; color: var(--color-primary-deep); line-height: 1.1; }
.stat-num em { font-style: normal; color: var(--color-gold); font-size: 0.7em; margin-left: 2px; }
.stat-label { margin-top: 6px; font-size: 13px; letter-spacing: 2px; color: var(--color-text-light); }

/* ===================== 特色优势 ===================== */
.features { padding: 88px 0; position: relative; background: linear-gradient(180deg, var(--color-bg-warm) 0%, var(--color-bg) 100%); }
.features-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
.feature-card {
    position: relative;
    background: var(--color-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-xl);
    padding: 44px 26px 34px;
    text-align: center;
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
    overflow: hidden;
}
.feature-card::before { content: ''; position: absolute; top: 0; left: 50%; transform: translateX(-50%); width: 56px; height: 3px; border-radius: 0 0 3px 3px; background: linear-gradient(90deg, var(--color-gold), var(--color-primary)); opacity: 0; transition: opacity var(--transition); }
.feature-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); border-color: rgba(163, 133, 96, 0.35); }
.feature-card:hover::before { opacity: 1; }
.feature-num { position: absolute; top: 16px; right: 18px; font-family: var(--font-serif); font-size: 15px; letter-spacing: 1px; color: var(--color-gold); opacity: 0.85; }
.feature-icon { width: 160px; height: 160px; margin: 0 auto 22px; border-radius: 50%; overflow: hidden; display: flex; align-items: center; justify-content: center; }
.feature-icon img { width: 100%; height: 100%; object-fit: cover; display: block; border-radius: 50%; }
.feature-card h3 { font-family: var(--font-serif); font-size: 20px; font-weight: 500; color: var(--color-text); margin-bottom: 12px; letter-spacing: 1px; }
.feature-card p { font-size: 14px; color: var(--color-text-light); line-height: 1.9; }

/* ===================== 服务流程 ===================== */
.process-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
.process-step { position: relative; text-align: center; padding: 30px 18px 10px; }
.process-step::after { content: ''; position: absolute; top: 26px; left: calc(50% + 44px); width: calc(100% - 88px); border-top: 1px dashed rgba(163, 133, 96, 0.4); }
.process-step:last-child::after { display: none; }
.process-num {
    width: 52px;
    height: 52px;
    margin: 0 auto 16px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: var(--font-serif);
    font-size: 18px;
    color: #fff;
    background: linear-gradient(135deg, var(--color-primary), var(--color-primary-dark));
    box-shadow: var(--shadow-gold);
}
.process-step h3 { font-family: var(--font-serif); font-size: 17px; font-weight: 500; margin-bottom: 8px; letter-spacing: 1px; }
.process-step p { font-size: 13px; color: var(--color-text-light); line-height: 1.8; }

/* ===================== 品牌卡片 ===================== */
.brand-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(240px, 1fr)); gap: 24px; }
.brand-card { background: var(--color-card); border: 1px solid var(--color-border); border-radius: var(--radius-xl); padding: 30px 24px 26px; text-align: center; transition: var(--transition); box-shadow: var(--shadow-sm); }
.brand-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); border-color: rgba(163, 133, 96, 0.35); }
.brand-logo { width: 84px; height: 84px; margin: 0 auto 16px; border-radius: 50%; border: 1px solid var(--color-border); background: var(--color-bg-warm); display: flex; align-items: center; justify-content: center; overflow: hidden; transition: var(--transition); }
.brand-card:hover .brand-logo { border-color: var(--color-gold); box-shadow: 0 10px 26px rgba(122, 98, 70, 0.22); }
.brand-logo img { width: 100%; height: 100%; object-fit: cover; }
.brand-logo .placeholder { font-family: var(--font-serif); font-size: 34px; color: var(--color-primary); }
.brand-card h3 { font-family: var(--font-serif); font-size: 19px; font-weight: 500; margin-bottom: 8px; letter-spacing: 1px; }
.brand-card:hover h3 { color: var(--color-primary-dark); }
.brand-card p { font-size: 13px; color: var(--color-text-light); line-height: 1.7; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }

/* ===================== 商品卡片 ===================== */
.product-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(262px, 1fr)); gap: 26px; }
.product-card {
    background: var(--color-card);
    border-radius: var(--radius-xl);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--color-border);
    display: flex;
    flex-direction: column;
    transition: var(--transition);
    position: relative;
}
.product-card:hover { box-shadow: var(--shadow-lg); transform: translateY(-6px); border-color: rgba(163, 133, 96, 0.35); }
.product-card .thumb { aspect-ratio: 1 / 1; background: var(--color-bg-warm); overflow: hidden; position: relative; }
.product-card .thumb::after { content: ''; position: absolute; inset: 0; background: linear-gradient(180deg, transparent 55%, rgba(30, 22, 14, 0.28)); opacity: 0; transition: opacity 0.5s; pointer-events: none; }
.product-card:hover .thumb::after { opacity: 1; }
.product-card .thumb img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.7s cubic-bezier(0.22, 0.61, 0.36, 1); }
.product-card:hover .thumb img { transform: scale(1.07); }
.product-card .thumb .view-more {
    position: absolute;
    left: 50%;
    bottom: 16px;
    transform: translate(-50%, 14px);
    background: rgba(255, 255, 255, 0.94);
    color: var(--color-primary-deep);
    font-size: 12px;
    letter-spacing: 2px;
    padding: 7px 18px;
    border-radius: 30px;
    opacity: 0;
    transition: var(--transition);
    z-index: 2;
    box-shadow: var(--shadow-md);
}
.product-card:hover .view-more { opacity: 1; transform: translate(-50%, 0); }
.product-tag {
    position: absolute;
    top: 14px;
    left: 14px;
    background: linear-gradient(135deg, var(--color-accent), var(--color-accent-deep));
    color: #fff;
    font-size: 11px;
    letter-spacing: 2px;
    padding: 5px 12px;
    border-radius: 30px;
    font-weight: 500;
    z-index: 2;
    box-shadow: 0 4px 14px rgba(176, 122, 90, 0.4);
}
.product-card .info { padding: 20px 20px 18px; display: flex; flex-direction: column; flex: 1; }
.product-card .brand-name { font-size: 11px; color: var(--color-primary); letter-spacing: 2px; margin-bottom: 7px; font-weight: 500; text-transform: uppercase; }
.product-card .p-name {
    font-family: var(--font-serif);
    font-size: 17px;
    font-weight: 500;
    margin-bottom: 8px;
    line-height: 1.45;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    color: var(--color-text);
}
.product-card:hover .p-name { color: var(--color-primary-dark); }
.product-card .p-spec { font-size: 12.5px; color: var(--color-text-light); margin-bottom: 5px; }
.product-card .p-efficacy { font-size: 12.5px; color: var(--color-text-light); display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; margin-bottom: 12px; flex: 1; line-height: 1.7; }
.p-price-row { display: flex; align-items: center; justify-content: space-between; margin-top: 4px; padding-top: 12px; border-top: 1px dashed rgba(190, 178, 158, 0.6); }
.p-price { font-size: 19px; font-weight: 700; color: var(--color-accent-deep); letter-spacing: 0.5px; font-family: var(--font-serif); }
.p-price em { font-style: normal; font-size: 12px; margin-right: 2px; }
.p-price--na { font-size: 12px; font-weight: 500; color: var(--color-primary); background: rgba(163, 133, 96, 0.1); padding: 4px 10px; border-radius: 30px; }
.p-card-hint { font-size: 11px; color: var(--color-text-faint); letter-spacing: 1px; }

/* ===================== 品质承诺 ===================== */
.quality-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
.quality-item {
    text-align: center;
    padding: 36px 22px;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: var(--radius-xl);
    transition: var(--transition);
}
.quality-item:hover { background: rgba(255, 255, 255, 0.09); transform: translateY(-4px); border-color: rgba(198, 161, 91, 0.4); }
.quality-icon { width: 64px; height: 64px; margin: 0 auto 18px; border-radius: 50%; border: 1px solid rgba(198, 161, 91, 0.5); background: rgba(198, 161, 91, 0.1); display: flex; align-items: center; justify-content: center; color: var(--color-gold); }
.quality-icon svg { width: 26px; height: 26px; }
.quality-item h3 { font-family: var(--font-serif); font-size: 18px; font-weight: 500; color: #f6efe6; margin-bottom: 10px; letter-spacing: 1px; }
.quality-item p { font-size: 13px; color: rgba(232, 221, 207, 0.7); line-height: 1.8; }

/* ===================== 资讯卡片 ===================== */
.news-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(320px, 1fr)); gap: 28px; }
.news-card {
    background: var(--color-card);
    border-radius: var(--radius-xl);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--color-border);
    display: flex;
    flex-direction: column;
    transition: var(--transition);
}
.news-card:hover { box-shadow: var(--shadow-lg); transform: translateY(-6px); border-color: rgba(163, 133, 96, 0.35); }
.news-card .cover { aspect-ratio: 16 / 9; background: var(--color-bg-warm); overflow: hidden; }
.news-card .cover img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.7s cubic-bezier(0.22, 0.61, 0.36, 1); }
.news-card:hover .cover img { transform: scale(1.06); }
.news-body { padding: 20px 22px 22px; display: flex; flex-direction: column; flex: 1; }
.news-body h3 {
    font-family: var(--font-serif);
    font-size: 17.5px;
    font-weight: 500;
    line-height: 1.5;
    margin-bottom: 10px;
    color: var(--color-text);
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}
.news-card:hover .news-body h3 { color: var(--color-primary-dark); }
.news-body .summary { font-size: 13px; color: var(--color-text-light); line-height: 1.8; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; margin-bottom: 14px; flex: 1; }
.news-card .meta { display: flex; justify-content: space-between; align-items: center; font-size: 12px; color: var(--color-text-faint); border-top: 1px dashed var(--color-border); padding-top: 12px; }
.read-more { color: var(--color-primary); letter-spacing: 1px; transition: letter-spacing var(--transition); }
.news-card:hover .read-more { letter-spacing: 2px; }/* ===================== 页脚 ===================== */
.site-footer { background: var(--color-bg-deep); color: rgba(232, 221, 207, 0.75); position: relative; }
.site-footer::before { content: ''; position: absolute; top: 0; left: 0; right: 0; height: 1px; background: linear-gradient(90deg, transparent, rgba(198, 161, 91, 0.55), transparent); }
.footer-top { padding: 64px 24px 48px; }
.footer-inner { display: grid; grid-template-columns: repeat(4, 1fr); gap: 48px; }
.footer-col h4 { font-family: var(--font-serif); font-size: 16px; font-weight: 500; letter-spacing: 2px; color: #f6efe6; margin-bottom: 18px; }
.footer-about { font-size: 13px; line-height: 1.9; color: rgba(232, 221, 207, 0.6); margin: 0 0 22px; }
.footer-social { display: flex; gap: 10px; }
.social-link { width: 38px; height: 38px; border-radius: 50%; border: 1px solid rgba(255, 255, 255, 0.18); display: flex; align-items: center; justify-content: center; color: rgba(255, 255, 255, 0.75); transition: var(--transition); }
.social-link:hover { background: var(--color-primary); border-color: transparent; color: #fff; transform: translateY(-2px); }
.social-link svg { width: 17px; height: 17px; }
.footer-links li + li { margin-top: 10px; }
.footer-links a { font-size: 13.5px; color: rgba(232, 221, 207, 0.65); position: relative; padding-left: 14px; transition: color var(--transition), padding-left var(--transition); }
.footer-links a::before { content: ''; position: absolute; left: 0; top: 50%; transform: translateY(-50%); width: 5px; height: 5px; border-radius: 50%; background: var(--color-gold); opacity: 0.6; }
.footer-links a:hover { color: #fff; padding-left: 18px; }
.footer-contact li { display: flex; gap: 10px; font-size: 13.5px; padding: 7px 0; color: rgba(232, 221, 207, 0.7); }
.footer-contact li span { color: var(--color-gold); flex-shrink: 0; }
.footer-qr { display: flex; flex-direction: column; align-items: center; text-align: center; }
.footer-qr img { width: 160px; height: 160px; border-radius: 16px; border: 1px solid rgba(255, 255, 255, 0.15); display: block; object-fit: cover; }
.footer-qr p { font-size: 12px; color: rgba(232, 221, 207, 0.55); margin-top: 10px; text-align: center; }
.footer-col:last-child { text-align: center; }
.footer-col:last-child .footer-qr { margin: 0 auto; }
.footer-bottom { border-top: 1px solid rgba(255, 255, 255, 0.08); padding: 18px 0; font-size: 12.5px; color: rgba(232, 221, 207, 0.5); }
.footer-bottom .container { display: flex; justify-content: space-between; align-items: center; gap: 14px; flex-wrap: wrap; }
.footer-beian { display: inline-flex; align-items: center; gap: 6px; }
.beian-icon { width: 14px; height: 14px; }

/* ===================== 返回顶部 ===================== */
.back-to-top {
    position: fixed;
    right: 28px;
    bottom: 28px;
    width: 44px;
    height: 44px;
    border-radius: 50%;
    background: var(--color-bg-deep);
    color: #fff;
    border: none;
    cursor: pointer;
    font-size: 18px;
    z-index: 90;
    box-shadow: var(--shadow-md);
    opacity: 0;
    visibility: hidden;
    transform: translateY(10px);
    transition: var(--transition);
}
.back-to-top.show { opacity: 1; visibility: visible; transform: none; }
.back-to-top:hover { background: var(--color-primary); transform: translateY(-2px); }

/* ===================== 页面横幅 ===================== */
.page-banner {
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    min-height: 240px;
    padding: 60px 24px;
    color: #fff;
    background:
        linear-gradient(120deg, rgba(42, 31, 22, 0.9) 0%, rgba(74, 58, 43, 0.8) 50%, rgba(42, 31, 22, 0.9) 100%),
        url('/assets/images/top_image.png') center / cover no-repeat;
    background-size: 100% 100%, cover;
    overflow: hidden;
}
.page-banner::after { content: ''; position: absolute; bottom: 0; left: 50%; transform: translateX(-50%); width: 64px; height: 3px; border-radius: 3px 3px 0 0; background: linear-gradient(90deg, transparent, var(--color-gold), transparent); }
.page-banner h1 { font-family: var(--font-serif); font-size: 38px; font-weight: 400; letter-spacing: 4px; }
.page-banner p { margin-top: 12px; font-size: 14px; letter-spacing: 2px; color: rgba(255, 255, 255, 0.78); }

/* ===================== 面包屑 ===================== */
.breadcrumb { font-size: 13px; color: var(--color-text-faint); display: flex; align-items: center; flex-wrap: wrap; gap: 8px; padding-bottom: 20px; }
.breadcrumb a { color: var(--color-text-light); }
.breadcrumb a:hover { color: var(--color-primary); }

/* ===================== 筛选面板 ===================== */
.filter-panel { background: var(--color-card); border: 1px solid var(--color-border); border-radius: var(--radius-lg); padding: 22px 24px; box-shadow: var(--shadow-sm); }
.filter-row { display: flex; align-items: center; flex-wrap: wrap; gap: 10px; }
.filter-row + .filter-row { margin-top: 14px; padding-top: 14px; border-top: 1px dashed var(--color-border); }
.filter-label { font-size: 13px; color: var(--color-text-light); margin-right: 6px; flex-shrink: 0; }
.filter-chip { padding: 6px 16px; border-radius: 30px; border: 1px solid var(--color-border); font-size: 13px; color: var(--color-text); background: #fff; transition: var(--transition); }
.filter-chip:hover { border-color: var(--color-primary); color: var(--color-primary); }
.filter-chip.active { background: linear-gradient(135deg, var(--color-primary), var(--color-primary-dark)); color: #fff; border-color: transparent; box-shadow: var(--shadow-gold); }
.brand-desc { margin-top: 20px; padding: 16px 20px; background: var(--color-bg-warm); border-radius: var(--radius-lg); font-size: 13.5px; color: var(--color-text-light); }
.brand-desc strong { color: var(--color-primary-deep); margin-right: 10px; font-weight: 600; }
.filter-result { font-size: 14px; color: var(--color-text-light); margin-top: 24px; }
.filter-result strong { color: var(--color-accent-deep); font-size: 18px; font-family: var(--font-serif); }

/* ===================== 空状态 ===================== */
.empty-state { text-align: center; padding: 70px 20px; color: var(--color-text-light); }
.empty-state .icon { font-size: 40px; color: var(--color-gold); opacity: 0.6; margin-bottom: 12px; }
.empty-state p { font-size: 14px; letter-spacing: 1px; }

/* ===================== 分页 ===================== */
.pagination { display: flex; justify-content: center; gap: 8px; margin-top: 44px; flex-wrap: wrap; }
.pagination a, .pagination .current { min-width: 40px; height: 40px; display: inline-flex; align-items: center; justify-content: center; border-radius: 10px; border: 1px solid var(--color-border); font-size: 14px; padding: 0 12px; background: #fff; transition: var(--transition); }
.pagination a:hover { border-color: var(--color-primary); color: var(--color-primary); }
.pagination .current { background: linear-gradient(135deg, var(--color-primary), var(--color-primary-dark)); color: #fff; border-color: transparent; box-shadow: var(--shadow-gold); }

/* ===================== 商品详情 ===================== */
.product-detail-wrap { display: grid; grid-template-columns: 1fr 1fr; gap: 56px; align-items: start; }
.gallery { position: sticky; top: 94px; }
.gallery-main { position: relative; border-radius: var(--radius-xl); overflow: hidden; background: var(--color-bg-warm); aspect-ratio: 1 / 1; box-shadow: var(--shadow-sm); }
.gallery-track { display: flex; height: 100%; transition: transform 0.5s cubic-bezier(0.22, 0.61, 0.36, 1); }
.gallery-track img, .gallery-slide { min-width: 100%; height: 100%; object-fit: cover; }
.gallery-slide video { width: 100%; height: 100%; object-fit: contain; background: #000; }
.gallery-nav { position: absolute; top: 50%; transform: translateY(-50%); width: 40px; height: 40px; border-radius: 50%; background: rgba(255, 255, 255, 0.92); border: none; cursor: pointer; font-size: 20px; color: var(--color-text); box-shadow: var(--shadow-md); display: flex; align-items: center; justify-content: center; opacity: 0; transition: var(--transition); z-index: 2; }
.gallery:hover .gallery-nav { opacity: 1; }
.gallery-nav:hover { background: var(--color-primary); color: #fff; }
.gallery-nav.prev { left: 12px; }
.gallery-nav.next { right: 12px; }
.gallery-dots { position: absolute; bottom: 12px; left: 50%; transform: translateX(-50%); display: flex; gap: 6px; z-index: 2; }
.gallery-dots .dot { width: 8px; height: 8px; border-radius: 50%; background: rgba(255, 255, 255, 0.6); cursor: pointer; transition: var(--transition); }
.gallery-dots .dot.active { background: var(--color-primary); width: 22px; border-radius: 4px; }
.gallery-thumbs { display: flex; gap: 10px; margin-top: 12px; }
.gallery-thumbs img, .thumb-video { width: 72px; height: 72px; border-radius: 12px; object-fit: cover; cursor: pointer; border: 2px solid transparent; transition: var(--transition); }
.gallery-thumbs img.active, .thumb-video.active { border-color: var(--color-primary); }
.thumb-video { display: flex; align-items: center; justify-content: center; background: var(--color-ink); color: #fff; flex-shrink: 0; }
.product-info h1 { font-family: var(--font-serif); font-size: 30px; font-weight: 500; line-height: 1.4; margin-bottom: 20px; }
.p-brand { font-size: 12px; letter-spacing: 3px; color: var(--color-primary); text-transform: uppercase; margin-bottom: 10px; font-weight: 500; }
.info-row { display: flex; gap: 18px; padding: 14px 0; border-bottom: 1px dashed var(--color-border); font-size: 14px; }
.info-row .label { color: var(--color-text-light); flex-shrink: 0; width: 84px; }
.info-row .val { flex: 1; color: var(--color-text); line-height: 1.8; }
.info-row--price { align-items: baseline; background: var(--color-bg-warm); border-bottom: none; margin: 16px -20px; padding: 18px 20px; border-radius: var(--radius-lg); }
.product-price-symbol { font-size: 16px; color: var(--color-accent-deep); }
.product-price-value { font-family: var(--font-serif); font-size: 34px; font-weight: 700; color: var(--color-accent-deep); letter-spacing: 0.5px; }
.info-actions { display: flex; gap: 14px; margin-top: 24px; flex-wrap: wrap; }
.trust-badges { display: grid; grid-template-columns: repeat(3, 1fr); gap: 10px; margin-top: 28px; }
.trust-badge { display: flex; align-items: center; gap: 8px; font-size: 12.5px; color: var(--color-text-light); background: var(--color-bg-warm); border-radius: 30px; padding: 8px 14px; }
.trust-badge svg { width: 15px; height: 15px; color: var(--color-primary); flex-shrink: 0; }
.product-detail-content { margin-top: 60px; padding: 40px; background: var(--color-card); border: 1px solid var(--color-border); border-radius: var(--radius-xl); box-shadow: var(--shadow-sm); }
.product-detail-content h2 { font-family: var(--font-serif); font-size: 22px; font-weight: 500; margin-bottom: 20px; padding-left: 14px; border-left: 3px solid var(--color-gold); }
.detail-rich { line-height: 2; font-size: 15px; color: var(--color-text); }
.detail-rich img { border-radius: 12px; margin: 18px auto; }
.detail-rich h3 { font-size: 17px; margin: 20px 0 10px; }
.related-title h2 { font-family: var(--font-serif); font-size: 24px; font-weight: 500; margin-bottom: 24px; padding-left: 14px; border-left: 3px solid var(--color-gold); }

/* ===================== 资讯详情 ===================== */
.news-article { max-width: 860px; margin: 0 auto; background: var(--color-card); border: 1px solid var(--color-border); border-radius: var(--radius-xl); padding: 44px 48px; box-shadow: var(--shadow-sm); }
.news-article h1 { font-family: var(--font-serif); font-size: 30px; font-weight: 500; line-height: 1.4; }
.news-article .meta { font-size: 13px; color: var(--color-text-light); margin: 14px 0 24px; }
.article-summary { background: var(--color-bg-warm); border-left: 3px solid var(--color-gold); padding: 14px 18px; border-radius: 0 8px 8px 0; color: var(--color-text-light); margin-bottom: 26px; font-size: 14px; }
.news-article .content { line-height: 2; font-size: 15.5px; }
.news-article .content h2, .news-article .content h3 { font-family: var(--font-serif); margin: 26px 0 12px; color: var(--color-primary-deep); }
.news-article .content img { border-radius: 12px; margin: 18px auto; }
.news-article .content p { margin-bottom: 14px; }

/* ===================== 联系页 ===================== */
.contact-wrap { display: grid; grid-template-columns: 5fr 6fr; gap: 28px; align-items: start; }
.contact-card { background: var(--color-card); border: 1px solid var(--color-border); border-radius: var(--radius-xl); padding: 34px; box-shadow: var(--shadow-sm); }
.contact-card h3 { font-family: var(--font-serif); font-size: 21px; font-weight: 500; margin-bottom: 18px; padding-left: 14px; border-left: 3px solid var(--color-gold); }
.contact-list li { display: flex; gap: 14px; align-items: flex-start; padding: 13px 0; border-bottom: 1px dashed var(--color-border); }
.contact-list li:last-child { border-bottom: none; }
.contact-list .icon { width: 38px; height: 38px; border-radius: 50%; background: var(--color-bg-warm); display: flex; align-items: center; justify-content: center; color: var(--color-primary); flex-shrink: 0; }
.ci-label { font-size: 12px; color: var(--color-text-light); letter-spacing: 1px; }
.ci-val { font-size: 15px; color: var(--color-text); margin-top: 2px; }
.wechat-qr { text-align: center; margin-top: 22px; }
.wechat-qr img { width: 150px; height: 150px; border-radius: 12px; margin: 0 auto; border: 1px solid var(--color-border); }
.wechat-qr p { font-size: 12px; color: var(--color-text-light); margin-top: 8px; }

/* ===================== 表单 ===================== */
.message-form .form-group { margin-bottom: 16px; }
.form-group label { display: block; font-size: 13px; margin-bottom: 8px; color: var(--color-text); }
.form-group .required { color: var(--color-accent); }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.form-control, .form-group input, .form-group select, .form-group textarea {
    width: 100%;
    padding: 12px 14px;
    border: 1px solid var(--color-border);
    border-radius: 10px;
    font-size: 14px;
    font-family: inherit;
    background: var(--color-bg);
    color: var(--color-text);
    outline: none;
    transition: border-color var(--transition), box-shadow var(--transition), background var(--transition);
}
.form-group textarea { min-height: 120px; resize: vertical; }
.form-control:focus, .form-group input:focus, .form-group select:focus, .form-group textarea:focus { border-color: var(--color-primary-light); box-shadow: 0 0 0 3px rgba(163, 133, 96, 0.12); background: #fff; }

/* ===================== 滚动显现动画 ===================== */
.js .reveal { opacity: 0; transform: translateY(28px); transition: opacity 0.8s ease, transform 0.8s cubic-bezier(0.22, 0.61, 0.36, 1); }
.js .reveal.in { opacity: 1; transform: none; }
.js .reveal[data-delay="1"] { transition-delay: 0.1s; }
.js .reveal[data-delay="2"] { transition-delay: 0.2s; }
.js .reveal[data-delay="3"] { transition-delay: 0.3s; }
.js .reveal[data-delay="4"] { transition-delay: 0.4s; }
@media (prefers-reduced-motion: reduce) {
    html { scroll-behavior: auto; }
    *, *::before, *::after { animation-duration: 0.01ms !important; transition-duration: 0.01ms !important; }
    .js .reveal { opacity: 1; transform: none; }
}/* ===================== 响应式 ===================== */
@media (max-width: 1400px) {
    .header-inner { gap: 12px; }
    .logo-sub { display: none; }
    .header-search { max-width: 240px; flex-basis: 220px; }
    .main-nav a { padding: 8px 10px; font-size: 14px; gap: 5px; letter-spacing: 0; }
    .main-nav ul { gap: 0; }
}

@media (max-width: 1200px) {
    .header-inner { gap: 10px; }
    .logo-mark { width: 36px; height: 36px; font-size: 16px; }
    .logo { gap: 9px; }
    .logo-text { font-size: 18px; letter-spacing: 2px; }
    .header-cta { display: none; }
    .header-search { max-width: 220px; flex-basis: 200px; }
    .main-nav a { padding: 8px 10px; font-size: 14px; }
    .main-nav a::after { left: 10px; right: 10px; }
    .nav-svg { width: 16px; height: 16px; }
}

@media (max-width: 1100px) {
    .footer-inner { grid-template-columns: 1fr 1fr; gap: 40px; }
}

@media (max-width: 992px) {
    .features-grid, .process-grid, .quality-grid { grid-template-columns: repeat(2, 1fr); }
    .stats-grid { grid-template-columns: repeat(2, 1fr); }
    .stat-item:nth-child(2)::before { display: none; }
    .stat-item:nth-child(n+3)::before { top: 0; left: 26%; right: auto; width: auto; height: 1px; }
    .product-detail-wrap { grid-template-columns: 1fr; gap: 34px; }
    .gallery { position: static; }
    .contact-wrap { grid-template-columns: 1fr; }
    .trust-badges { grid-template-columns: repeat(3, 1fr); }
    .topbar-slogan { display: none; }
    .header-notice { max-width: 260px; }
    .header-search { display: none; }
}

@media (max-width: 860px) {
    .logo-mark { width: 32px; height: 32px; font-size: 14px; }
    .logo { gap: 8px; }
}

@media (max-width: 768px) {
    .topbar { display: none; }
    .site-header { top: 0; }
    .container { padding: 0 18px; }
    .section { padding: 60px 0; }
    .section-title h2 { font-size: 26px; }
    .header-inner { flex-wrap: wrap; height: auto; padding-bottom: 8px; gap: 12px; }
    .header-search { display: flex; max-width: none; flex: 1 1 100%; order: 3; margin-top: 8px; }
    .main-nav {
        position: fixed;
        top: 0;
        left: 0;
        right: 0;
        bottom: 0;
        background: rgba(255, 255, 255, 0.98);
        max-height: 0;
        overflow: hidden;
        transition: max-height 0.45s ease;
        z-index: 99;
    }
    .main-nav.open { max-height: 100vh; overflow-y: auto; }
    .main-nav ul { flex-direction: column; padding: 92px 22px 30px; gap: 2px; }
    .nav-toggle { position: relative; z-index: 101; }
    .main-nav a { padding: 15px 18px; font-size: 17px; border-bottom: 1px solid var(--color-border); border-radius: 0; }
    .main-nav a::after { display: none; }
    .logo-mark { width: 34px; height: 34px; font-size: 15px; }
    .logo-text { font-size: 18px; }
    .logo-sub { display: none; }

    .hero-bg-image { height: 480px; }
    .hero-title { font-size: 34px; letter-spacing: 3px; }
    .hero-sub { font-size: 13px; letter-spacing: 2px; }
    .hero-actions .btn { padding: 11px 22px; font-size: 13px; }
    .hero-scroll { display: none; }
    .stats-band { margin-top: -40px; }
    .stat-num { font-size: 32px; }

    .features-grid, .process-grid, .quality-grid { grid-template-columns: 1fr; gap: 18px; }
    .quality-grid { gap: 24px; }
    .feature-icon { width: 120px; height: 120px; }
    .feature-card h3 { font-size: 18px; }
    .feature-card p { font-size: 13px; }
    .news-card .meta { flex-direction: column; align-items: flex-start; gap: 6px; }
    .page-banner { min-height: 170px; padding: 44px 18px; background-size: 100% 100%, cover; }
    .page-banner h1 { font-size: 24px; letter-spacing: 2px; }
    .footer-inner { grid-template-columns: 1fr; gap: 34px; }
    .footer-top { padding: 48px 18px 36px; }
    .product-detail-content { padding: 26px; }
    .news-article { padding: 28px 24px; }
    .news-article h1 { font-size: 24px; }
    .contact-card { padding: 28px 22px; }
    .form-row { flex-direction: column; gap: 0; }
    .trust-badges { grid-template-columns: 1fr; }
    .filter-panel { padding: 18px 16px; }
    .gallery-thumbs img, .thumb-video { width: 58px; height: 58px; }
    .product-info .info-row--price { margin: 10px -8px; padding: 18px 14px; }
    .product-price-value { font-size: 28px; }
}

@media (max-width: 480px) {
    .container { padding: 0 14px; }
    .product-grid, .news-grid, .brand-grid { grid-template-columns: repeat(2, 1fr); gap: 14px; }
    .brand-grid { grid-template-columns: 1fr; }
    .stats-grid { grid-template-columns: 1fr 1fr; }
    .stat-item { padding: 24px 12px; }
    .product-card .info { padding: 14px 12px; }
    .product-card .p-name { font-size: 15px; }
    .product-card .thumb .view-more { display: none; }
    .p-card-hint { display: none; }
    .hero-bg-image { height: 420px; }
    .hero-eyebrow { letter-spacing: 3px; }
    .hero-title { font-size: 28px; }
    .back-to-top { right: 16px; bottom: 16px; }
    .footer-bottom .container { flex-direction: column; gap: 4px; }
}