/* ===== 全局变量 —— 暖色调温馨风格 ===== */
:root {
    /* 主色系：暖棕、米黄、奶油、暖红、金 */
    --color-brown-dark: #6B4423;
    --color-brown: #8B5E3C;
    --color-brown-light: #A87B5A;
    --color-brown-muted: #B8956C;
    --color-cream: #FBF4E6;          /* 奶油米白底（替换纯白） */
    --color-cream-warm: #F9EED7;     /* 更暖的米黄色 */
    --color-warm-white: #FDF8EE;     /* 暖白色，卡片底 */
    --color-paper: #F7EDD9;          /* 宣纸色 */
    --color-paper-dark: #F2E4C7;
    --color-gold: #C9A04E;
    --color-gold-dark: #A67F3A;
    --color-red-warm: #B7533B;       /* 暖朱砂红 */
    --color-red-soft: #C77A5A;
    --color-green-tea: #7A8B6F;      /* 茶绿点缀 */
    --color-ink: #3D2E22;            /* 墨色文字 */
    --color-ink-light: #6B5846;      /* 次级文字 */
    --color-line: #E6D3B2;           /* 分割线 */
    --shadow-warm: 0 8px 30px rgba(139, 94, 60, 0.12);
    --shadow-card: 0 4px 16px rgba(107, 68, 35, 0.08);
    --radius-s: 8px;
    --radius: 16px;
    --radius-lg: 24px;
    --max-width: 1240px;
    --font-serif: "Songti SC", "STSong", "SimSun", "Noto Serif SC", serif;
    --font-sans: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans SC", sans-serif;
}

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

html { scroll-behavior: smooth; font-size: 16px; }

body {
    font-family: var(--font-sans);
    color: var(--color-ink);
    background: var(--color-cream);
    /* 整体加一层淡淡的宣纸纹理感渐变 */
    background-image:
        radial-gradient(circle at 20% 0%, rgba(201, 160, 78, 0.08) 0%, transparent 50%),
        radial-gradient(circle at 80% 100%, rgba(183, 83, 59, 0.06) 0%, transparent 50%),
        linear-gradient(180deg, #FBF4E6 0%, #F9EED7 100%);
    line-height: 1.85;
    overflow-x: hidden;
    min-height: 100vh;
}

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

.container {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 32px;
}

.section {
    padding: 88px 0;
    position: relative;
}

.section.even {
    background: linear-gradient(180deg, rgba(249, 238, 215, 0) 0%, rgba(249, 238, 215, 0.5) 50%, rgba(249, 238, 215, 0) 100%);
}

.section-title {
    text-align: center;
    margin-bottom: 8px;
}

.section-title h2 {
    font-family: var(--font-serif);
    font-size: 2.4rem;
    color: var(--color-brown-dark);
    font-weight: 700;
    letter-spacing: 4px;
    display: inline-block;
    padding: 0 24px;
    position: relative;
}

.section-title h2::before,
.section-title h2::after {
    content: '❋';
    color: var(--color-gold);
    font-size: 1rem;
    margin: 0 16px;
    vertical-align: middle;
}

.section-title .subtitle {
    font-size: 0.82rem;
    color: var(--color-brown-muted);
    letter-spacing: 5px;
    text-transform: uppercase;
    margin-top: 8px;
    font-weight: 500;
}

.section-divider {
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 22px auto 48px;
    gap: 12px;
}

.section-divider::before,
.section-divider::after {
    content: '';
    width: 60px;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--color-gold), transparent);
}

.section-divider::after {
    background: linear-gradient(90deg, var(--color-gold), transparent);
}

.section-divider .dot {
    width: 8px;
    height: 8px;
    background: var(--color-gold);
    border-radius: 50%;
    transform: rotate(45deg);
    box-shadow: 0 0 0 4px rgba(201, 160, 78, 0.12);
}

/* ===== 导航栏 ===== */
.navbar {
    position: fixed;
    top: 0; left: 0; right: 0;
    z-index: 1000;
    background: rgba(251, 244, 230, 0.88);
    backdrop-filter: blur(14px) saturate(150%);
    border-bottom: 1px solid rgba(230, 211, 178, 0.6);
    transition: all 0.3s ease;
}

.navbar .container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 72px;
}

.nav-logo {
    display: flex;
    align-items: center;
    gap: 10px;
    height: 100%;
}

.nav-logo img {
    height: 54px;
    width: auto;
    display: block;
    object-fit: contain;
}

.nav-logo::before {
    display: none;
}

.nav-logo span {
    display: none;
}

.nav-links {
    display: flex;
    gap: 32px;
    list-style: none;
}

.nav-links a {
    font-size: 0.92rem;
    color: var(--color-ink);
    transition: color 0.25s ease;
    position: relative;
    letter-spacing: 0.5px;
}

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: -6px;
    left: 50%;
    transform: translateX(-50%);
    width: 0;
    height: 2px;
    background: var(--color-red-warm);
    transition: width 0.3s ease;
    border-radius: 2px;
}

.nav-links a:hover { color: var(--color-brown-dark); }
.nav-links a:hover::after { width: 24px; }

.nav-toggle {
    display: none;
    background: none;
    border: none;
    font-size: 1.6rem;
    cursor: pointer;
    color: var(--color-brown-dark);
}

/* ===== 首页 Banner ===== */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    position: relative;
    overflow: hidden;
    background: linear-gradient(135deg, rgba(60, 36, 20, 0.92) 0%, rgba(107, 68, 35, 0.88) 50%, rgba(139, 94, 60, 0.85) 100%);
    color: #FFF6E3;
}

/* 真实的后汉书古籍页面作为底图（虚化+暖棕叠色，保留书卷色） */
.hero::before {
    content: '';
    position: absolute;
    inset: 0;
    background: url("../images/classic_bg.jpg") center/cover no-repeat;
    filter: blur(3px) saturate(0.85);
    -webkit-filter: blur(3px) saturate(0.85);
    transform: scale(1.05);
    mix-blend-mode: normal;
    opacity: 0.55;
}

.hero::after {
    content: '';
    position: absolute;
    inset: 0;
    background:
        radial-gradient(ellipse at center, transparent 20%, rgba(60, 36, 20, 0.6) 100%),
        linear-gradient(180deg, rgba(60,36,20,0.3) 0%, transparent 30%, transparent 70%, rgba(60,36,20,0.5) 100%);
    pointer-events: none;
}

.hero-content {
    position: relative;
    z-index: 2;
    padding: 0 24px;
    max-width: 820px;
}

.hero-badge {
    display: inline-block;
    padding: 8px 24px;
    border: 1px solid rgba(201, 160, 78, 0.5);
    border-radius: 30px;
    font-size: 0.82rem;
    color: var(--color-gold);
    letter-spacing: 3px;
    margin-bottom: 28px;
    background: rgba(201, 160, 78, 0.08);
    backdrop-filter: blur(4px);
}

/* 品牌大字 */
.hero-char-row {
    display: flex;
    justify-content: center;
    gap: 28px;
    margin: 0 auto 24px;
}

.hero-char {
    width: 140px;
    height: 140px;
    border: 2px solid rgba(201, 160, 78, 0.3);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, rgba(201,160,78,0.12), rgba(183,83,59,0.06));
    backdrop-filter: blur(8px);
    font-family: var(--font-serif);
    font-size: 5.5rem;
    color: #FFF1CF;
    text-shadow: 0 4px 30px rgba(201, 160, 78, 0.4), 0 2px 8px rgba(0,0,0,0.3);
    font-weight: 600;
    letter-spacing: 0;
    position: relative;
}

.hero-char::before {
    content: '';
    position: absolute;
    inset: 6px;
    border: 1px solid rgba(255, 246, 227, 0.1);
    border-radius: 8px;
    pointer-events: none;
}

.hero .tagline {
    font-size: 1.35rem;
    color: rgba(255, 246, 227, 0.9);
    margin-bottom: 14px;
    letter-spacing: 5px;
    font-weight: 300;
}

.hero .slogan {
    font-family: var(--font-serif);
    font-size: 1.15rem;
    color: var(--color-gold);
    margin-bottom: 44px;
    letter-spacing: 4px;
}

.hero-buttons {
    display: flex;
    gap: 18px;
    justify-content: center;
    flex-wrap: wrap;
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 14px 38px;
    border-radius: 32px;
    font-size: 0.95rem;
    font-weight: 600;
    letter-spacing: 1.5px;
    transition: all 0.3s ease;
    cursor: pointer;
    border: 2px solid transparent;
    text-align: center;
}

.btn-primary {
    background: linear-gradient(135deg, var(--color-gold) 0%, var(--color-gold-dark) 100%);
    color: #FFF6E3;
    border-color: transparent;
    box-shadow: 0 4px 20px rgba(201, 160, 78, 0.35);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 30px rgba(201, 160, 78, 0.45);
}

.btn-outline {
    background: rgba(255, 246, 227, 0.04);
    color: #FFF6E3;
    border-color: rgba(255, 246, 227, 0.35);
    backdrop-filter: blur(8px);
}

.btn-outline:hover {
    border-color: rgba(255, 246, 227, 0.7);
    background: rgba(255, 246, 227, 0.1);
}

/* ===== 关于我们 ===== */
.about-grid {
    display: grid;
    grid-template-columns: 1.05fr 1fr;
    gap: 64px;
    align-items: stretch;
}

.about-card {
    background: linear-gradient(145deg, var(--color-warm-white) 0%, var(--color-cream-warm) 100%);
    border-radius: var(--radius-lg);
    padding: 44px 40px;
    box-shadow: var(--shadow-warm);
    border: 1px solid rgba(230, 211, 178, 0.5);
    position: relative;
}

.about-card::before {
    content: '“';
    position: absolute;
    top: 8px;
    left: 24px;
    font-family: var(--font-serif);
    font-size: 7rem;
    color: rgba(201, 160, 78, 0.12);
    line-height: 1;
    pointer-events: none;
}

.about-brand {
    font-family: var(--font-serif);
    color: var(--color-brown-dark);
    font-size: 1.2rem;
    letter-spacing: 2px;
    margin-bottom: 16px;
    padding-bottom: 14px;
    border-bottom: 1px dashed var(--color-line);
}

.about-brand .en {
    font-family: var(--font-sans);
    font-size: 0.78rem;
    color: var(--color-brown-muted);
    letter-spacing: 3px;
    margin-left: 10px;
    font-weight: 400;
}

.about-text p {
    font-size: 1rem;
    color: var(--color-ink-light);
    margin-bottom: 18px;
    text-align: justify;
    text-indent: 2em;
    position: relative;
    z-index: 1;
}

.about-tripod {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 14px;
    margin-top: 26px;
    padding-top: 24px;
    border-top: 1px dashed var(--color-line);
    position: relative;
    z-index: 1;
}

.tripod-item {
    text-align: center;
    padding: 18px 12px;
    border-radius: var(--radius);
    background: linear-gradient(180deg, rgba(201,160,78,0.06), rgba(201,160,78,0.02));
    border: 1px solid rgba(201, 160, 78, 0.15);
    transition: all 0.3s ease;
}

.tripod-item:hover {
    transform: translateY(-3px);
    background: linear-gradient(180deg, rgba(201,160,78,0.1), rgba(183,83,59,0.04));
}

.tripod-item .icon {
    font-size: 1.5rem;
    margin-bottom: 6px;
}

.tripod-item h4 {
    font-family: var(--font-serif);
    color: var(--color-brown-dark);
    font-size: 1rem;
    margin-bottom: 4px;
    letter-spacing: 1px;
}

.tripod-item p {
    font-size: 0.78rem;
    color: var(--color-ink-light);
    line-height: 1.6;
}

.about-image-wrap {
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-warm);
    display: flex;
    align-items: stretch;
    background: var(--color-paper);
    border: 1px solid rgba(230, 211, 178, 0.6);
    position: relative;
}

.about-image-wrap::after {
    content: '';
    position: absolute;
    inset: 10px;
    border: 1px solid rgba(201, 160, 78, 0.2);
    border-radius: calc(var(--radius-lg) - 10px);
    pointer-events: none;
    z-index: 2;
}

.about-image-wrap img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

/* 产品展示占位（部署后可替换为实拍图） */
.about-placeholder {
    width: 100%;
    min-height: 460px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(160deg,
        rgba(139,94,60,0.12) 0%,
        rgba(201,160,78,0.08) 30%,
        rgba(249,238,215,0.6) 60%,
        rgba(251,244,230,0.9) 100%
    );
    position: relative;
    z-index: 1;
}

.placeholder-book {
    perspective: 800px;
}

.book-cover {
    width: 200px;
    height: 280px;
    background: linear-gradient(145deg,
        #8B3A2A 0%, #6B2F22 20%, #8B3A2A 40%,
        #7A3325 60%, #5C2419 80%, #8B3A2A 100%
    );
    border-radius: 4px 16px 16px 4px;
    box-shadow:
        8px 12px 32px rgba(107,68,35,0.35),
        inset 2px 0 0 rgba(201,160,78,0.3),
        inset -2px 0 4px rgba(0,0,0,0.2);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    position: relative;
    transform: rotateY(-6deg) rotateX(2deg);
    border: 2px solid rgba(201,160,78,0.25);
}

.book-cover::before {
    content: '';
    position: absolute;
    top: 12px; left: 16px; right: 16px; bottom: 12px;
    border: 1px solid rgba(201,160,78,0.35);
    border-radius: 2px;
    pointer-events: none;
}

.book-cover::after {
    content: '';
    position: absolute;
    top: 0; left: 6px; bottom: 0;
    width: 2px;
    background: linear-gradient(180deg,
        rgba(201,160,78,0.4),
        rgba(201,160,78,0.1) 50%,
        rgba(201,160,78,0.4)
    );
    border-radius: 2px;
}

.book-title {
    font-family: var(--font-serif);
    font-size: 2.2rem;
    color: #E8C97A;
    letter-spacing: 6px;
    text-shadow: 0 2px 12px rgba(201,160,78,0.4);
    margin-bottom: 8px;
    position: relative;
    z-index: 1;
}

.book-sub {
    font-family: var(--font-sans);
    font-size: 0.6rem;
    color: rgba(232,201,122,0.65);
    letter-spacing: 4px;
    position: relative;
    z-index: 1;
}

/* 数据统计条 */
.stats {
    background: linear-gradient(135deg, var(--color-brown-dark) 0%, #5A3A1D 60%, var(--color-brown) 100%);
    color: #FFF6E3;
    padding: 64px 0;
    position: relative;
    overflow: hidden;
}

.stats::before {
    content: '';
    position: absolute;
    inset: 0;
    background:
        repeating-linear-gradient(0deg, transparent, transparent 2px, rgba(201,160,78,0.03) 2px, rgba(201,160,78,0.03) 4px),
        repeating-linear-gradient(90deg, transparent, transparent 40px, rgba(255,246,227,0.02) 40px, rgba(255,246,227,0.02) 42px);
    opacity: 0.6;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 32px;
    text-align: center;
    position: relative;
    z-index: 1;
}

.stat-item {
    position: relative;
    padding: 16px 8px;
}

.stat-item::after {
    content: '';
    position: absolute;
    right: 0;
    top: 20%;
    bottom: 20%;
    width: 1px;
    background: linear-gradient(180deg, transparent, rgba(201,160,78,0.4), transparent);
}
.stat-item:last-child::after { display: none; }

.stat-item .num {
    font-family: var(--font-serif);
    font-size: 3.2rem;
    font-weight: 700;
    color: var(--color-gold);
    line-height: 1;
    text-shadow: 0 4px 20px rgba(201, 160, 78, 0.25);
}

.stat-item .num .unit {
    font-size: 1.2rem;
    margin-left: 4px;
    color: rgba(201, 160, 78, 0.75);
}

.stat-item .label {
    font-size: 0.92rem;
    margin-top: 10px;
    letter-spacing: 2px;
    color: rgba(255, 246, 227, 0.85);
}

.stat-item .label-en {
    font-size: 0.7rem;
    color: rgba(255, 246, 227, 0.4);
    letter-spacing: 3px;
    margin-top: 4px;
}

/* ===== 服务版本（保留在数据统计之后） ===== */
.pricing-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
}

.pricing-card {
    background: linear-gradient(160deg, var(--color-warm-white) 0%, var(--color-cream-warm) 100%);
    border-radius: var(--radius-lg);
    padding: 36px 24px;
    text-align: center;
    box-shadow: var(--shadow-card);
    border: 1px solid rgba(230, 211, 178, 0.7);
    transition: all 0.35s ease;
    position: relative;
}

.pricing-card::before {
    content: '';
    position: absolute;
    top: 12px; left: 12px; right: 12px; bottom: 12px;
    border: 1px dashed rgba(201, 160, 78, 0.2);
    border-radius: calc(var(--radius-lg) - 12px);
    pointer-events: none;
}

.pricing-card:hover {
    transform: translateY(-6px);
    box-shadow: 0 16px 40px rgba(139, 94, 60, 0.15);
    border-color: var(--color-gold);
}

.pricing-card .tier-mark {
    display: inline-block;
    font-family: var(--font-serif);
    width: 40px; height: 40px;
    line-height: 40px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--color-gold), var(--color-gold-dark));
    color: #FFF6E3;
    font-size: 1.2rem;
    margin-bottom: 14px;
}

.pricing-card h3 {
    font-family: var(--font-serif);
    font-size: 1.35rem;
    color: var(--color-brown-dark);
    margin-bottom: 8px;
    letter-spacing: 3px;
}

.pricing-card h3 .en {
    display: block;
    font-family: var(--font-sans);
    font-size: 0.7rem;
    color: var(--color-brown-muted);
    letter-spacing: 2px;
    margin-top: 4px;
    font-weight: 400;
}

.pricing-card .price {
    font-family: var(--font-serif);
    font-size: 2.2rem;
    font-weight: 700;
    color: var(--color-red-warm);
    margin: 18px 0 6px;
    letter-spacing: 1px;
}

.pricing-card .price .unit {
    font-size: 1rem;
    font-weight: 500;
    color: var(--color-brown-light);
}

.pricing-card .price .original {
    display: block;
    font-size: 0.85rem;
    text-decoration: line-through;
    color: var(--color-brown-muted);
    font-weight: 400;
    margin-top: 2px;
    letter-spacing: 0;
}

.pricing-card .price .promo {
    display: block;
    font-size: 0.85rem;
    color: var(--color-gold-dark);
    font-weight: 600;
    margin-top: 4px;
    background: rgba(201,160,78,0.12);
    padding: 4px 10px;
    border-radius: 20px;
    display: inline-block;
}

.pricing-card .desc {
    font-size: 0.85rem;
    color: var(--color-ink-light);
    margin-bottom: 18px;
    min-height: 2.4em;
    line-height: 1.6;
}

.pricing-card ul {
    list-style: none;
    text-align: left;
    margin-bottom: 20px;
    padding: 0 8px;
}

.pricing-card ul li {
    font-size: 0.84rem;
    padding: 7px 0 7px 20px;
    border-bottom: 1px dashed rgba(230, 211, 178, 0.6);
    color: var(--color-ink-light);
    position: relative;
    line-height: 1.6;
}

.pricing-card ul li::before {
    content: '◆';
    color: var(--color-gold);
    font-size: 0.55rem;
    position: absolute;
    left: 0;
    top: 12px;
}

.pricing-card .target {
    font-size: 0.78rem;
    color: var(--color-ink-light);
    background: linear-gradient(180deg, rgba(201,160,78,0.08), rgba(183,83,59,0.04));
    padding: 10px 12px;
    border-radius: 10px;
    border: 1px solid rgba(201, 160, 78, 0.15);
    line-height: 1.6;
}

/* ===== 服务案例（4列×8排，图片完整展示，文字统一格式） ===== */
.cases-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
}

.case-card {
    background: #fff;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 4px 18px rgba(107, 68, 35, 0.08);
    border: 1px solid rgba(230, 211, 178, 0.6);
    transition: all 0.3s ease;
    display: flex;
    flex-direction: column;
}

.case-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 10px 32px rgba(107, 68, 35, 0.14);
}

/* 图片容器：完整展示，无裁剪无遮挡 */
.case-image {
    width: 100%;
    background: #FBF4E6;
    position: relative;
}

.case-image img {
    width: 100%;
    height: auto;
    display: block;
    object-fit: contain;
}

/* 文字区域 */
.case-body {
    padding: 16px 16px 18px;
    flex: 1;
    display: flex;
    flex-direction: column;
}

/* 标题行：《标题》 + 📍地区 */
.case-head {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 10px;
    gap: 8px;
}

.case-title {
    font-family: var(--font-serif);
    font-size: 1rem;
    color: var(--color-brown-dark);
    font-weight: 700;
    letter-spacing: 0.5px;
    margin: 0;
    line-height: 1.4;
    flex: 1;
}

.case-region {
    font-size: 0.78rem;
    color: var(--color-brown-light);
    white-space: nowrap;
    flex-shrink: 0;
    padding-top: 3px;
}

.case-region .pin {
    color: var(--color-red-warm);
    margin-right: 2px;
}

/* 标签行：委托人 + 与主角的关系 */
.case-meta {
    display: flex;
    gap: 8px;
    margin-bottom: 12px;
}

.case-tag {
    font-size: 0.72rem;
    padding: 3px 10px;
    border-radius: 6px;
    font-weight: 500;
    letter-spacing: 0.3px;
    white-space: nowrap;
}

.case-tag.client {
    background: #F0E6D8;
    color: var(--color-brown-dark);
}

.case-tag.relation {
    background: #F5DDD2;
    color: var(--color-red-warm);
}

/* 故事摘要 */
.case-story {
    font-size: 0.82rem;
    color: var(--color-ink-light);
    line-height: 1.75;
    text-align: justify;
    margin: 0;
    flex: 1;
}

/* 加载更多按钮 */
.cases-more {
    text-align: center;
    margin-top: 44px;
}

.cases-more .btn {
    background: linear-gradient(135deg, var(--color-brown-light), var(--color-brown));
    color: #FFF6E3;
}

/* ===== 服务流程 ===== */
.process-steps {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 28px;
    position: relative;
}

.process-step {
    text-align: center;
    position: relative;
    padding: 32px 24px 28px;
    background: linear-gradient(160deg, var(--color-warm-white), var(--color-cream-warm));
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-card);
    border: 1px solid rgba(230, 211, 178, 0.7);
    transition: all 0.3s ease;
}

.process-step:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-warm);
}

.process-step .step-num {
    width: 70px;
    height: 70px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--color-gold), var(--color-gold-dark));
    color: #FFF6E3;
    font-family: var(--font-serif);
    font-size: 1.65rem;
    font-weight: 700;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
    box-shadow: 0 8px 24px rgba(201, 160, 78, 0.3);
    position: relative;
    z-index: 2;
}

.process-step .step-num::after {
    content: '';
    position: absolute;
    inset: -6px;
    border: 1px dashed rgba(201, 160, 78, 0.35);
    border-radius: 50%;
}

.process-step h4 {
    font-family: var(--font-serif);
    color: var(--color-brown-dark);
    font-size: 1.2rem;
    margin-bottom: 10px;
    letter-spacing: 3px;
}

.process-step h4 .en {
    display: block;
    font-family: var(--font-sans);
    font-size: 0.72rem;
    font-weight: 400;
    letter-spacing: 3px;
    color: var(--color-brown-muted);
    margin-top: 4px;
}

.process-step p {
    font-size: 0.9rem;
    color: var(--color-ink-light);
    line-height: 1.8;
}

/* 流程连接线（桌面） */
.process-steps::before,
.process-steps::after {
    content: '⟶';
    position: absolute;
    top: 62px;
    font-size: 1.8rem;
    color: var(--color-gold);
    z-index: 1;
    text-shadow: 0 2px 8px rgba(201,160,78,0.2);
}
.process-steps::before { left: calc(33.3% - 15px); }
.process-steps::after { left: calc(66.6% - 15px); }

/* ===== 服务品质（原制作工艺） ===== */
.craft-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.craft-item {
    background: linear-gradient(160deg, var(--color-warm-white), var(--color-cream-warm));
    border-radius: var(--radius);
    padding: 30px 26px;
    box-shadow: var(--shadow-card);
    border: 1px solid rgba(230, 211, 178, 0.7);
    transition: all 0.35s ease;
    position: relative;
    overflow: hidden;
}

.craft-item::after {
    content: '';
    position: absolute;
    top: -40px;
    right: -40px;
    width: 120px;
    height: 120px;
    background: radial-gradient(circle, rgba(201,160,78,0.1), transparent 70%);
    border-radius: 50%;
}

.craft-item:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-warm);
    border-color: var(--color-gold);
}

.craft-item .icon-wrap {
    width: 56px;
    height: 56px;
    border-radius: 16px;
    background: linear-gradient(135deg, rgba(201,160,78,0.15), rgba(183,83,59,0.08));
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.8rem;
    margin-bottom: 16px;
    position: relative;
    z-index: 1;
    border: 1px solid rgba(201,160,78,0.25);
}

.craft-item h4 {
    font-family: var(--font-serif);
    color: var(--color-brown-dark);
    font-size: 1.1rem;
    margin-bottom: 8px;
    letter-spacing: 1px;
    position: relative;
    z-index: 1;
}

.craft-item p {
    font-size: 0.88rem;
    color: var(--color-ink-light);
    line-height: 1.8;
    position: relative;
    z-index: 1;
}

/* ===== 客户体验 ===== */
.testimonials-section {
    background: linear-gradient(135deg, var(--color-brown-dark) 0%, #4E3018 60%, var(--color-brown) 100%);
    color: #FFF6E3;
    padding: 88px 0;
    position: relative;
    overflow: hidden;
}

.testimonials-section::before {
    content: '';
    position: absolute;
    inset: 0;
    background:
        radial-gradient(ellipse at 30% 50%, rgba(201,160,78,0.08) 0%, transparent 60%),
        radial-gradient(ellipse at 70% 50%, rgba(183,83,59,0.05) 0%, transparent 60%);
    opacity: 0.7;
}

.testimonials-section .section-title h2 { color: #FFF1CF; }
.testimonials-section .section-title h2::before,
.testimonials-section .section-title h2::after { color: rgba(201,160,78,0.7); }
.testimonials-section .section-title .subtitle { color: rgba(255,246,227,0.55); }
.testimonials-section .section-divider .dot { background: var(--color-gold); }
.testimonials-section .section-divider::before,
.testimonials-section .section-divider::after {
    background: linear-gradient(90deg, transparent, rgba(201,160,78,0.5), transparent);
}

.testimonials-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 22px;
    position: relative;
    z-index: 1;
}

.testimonial-card {
    background: linear-gradient(160deg, rgba(255,246,227,0.06), rgba(255,246,227,0.02));
    border-radius: var(--radius-lg);
    padding: 30px 28px;
    border: 1px solid rgba(201, 160, 78, 0.18);
    backdrop-filter: blur(6px);
    transition: all 0.35s ease;
    position: relative;
}

.testimonial-card::before {
    content: '“';
    position: absolute;
    top: 4px;
    left: 18px;
    font-family: var(--font-serif);
    font-size: 6rem;
    color: rgba(201, 160, 78, 0.18);
    line-height: 1;
    pointer-events: none;
}

.testimonial-card:hover {
    background: linear-gradient(160deg, rgba(255,246,227,0.12), rgba(255,246,227,0.04));
    border-color: rgba(201, 160, 78, 0.4);
    transform: translateY(-4px);
}

.testimonial-card p {
    font-size: 0.9rem;
    line-height: 1.9;
    color: rgba(255, 246, 227, 0.88);
    margin-bottom: 18px;
    text-align: justify;
    padding-top: 24px;
    position: relative;
}

.testimonial-card .author {
    font-size: 0.86rem;
    color: var(--color-gold);
    text-align: right;
    font-family: var(--font-serif);
    letter-spacing: 1px;
    padding-top: 12px;
    border-top: 1px solid rgba(201,160,78,0.15);
}

/* ===== 常见问题 ===== */
.faq-list {
    max-width: 860px;
    margin: 0 auto;
}

.faq-item {
    background: linear-gradient(160deg, var(--color-warm-white), var(--color-cream-warm));
    border-radius: var(--radius);
    margin-bottom: 14px;
    box-shadow: var(--shadow-card);
    border: 1px solid rgba(230, 211, 178, 0.7);
    overflow: hidden;
    transition: all 0.3s ease;
}

.faq-item:hover { border-color: rgba(201,160,78,0.4); }
.faq-item.open {
    border-color: var(--color-gold);
    box-shadow: var(--shadow-warm);
}

.faq-question {
    padding: 18px 28px 18px 48px;
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    font-weight: 600;
    font-size: 0.95rem;
    color: var(--color-brown-dark);
    transition: background 0.2s;
    line-height: 1.6;
    position: relative;
    gap: 16px;
}

.faq-question::before {
    content: 'Q';
    position: absolute;
    left: 20px;
    top: 18px;
    width: 22px;
    height: 22px;
    line-height: 22px;
    text-align: center;
    background: linear-gradient(135deg, var(--color-red-warm), #A64A35);
    color: #FFF6E3;
    border-radius: 50%;
    font-family: var(--font-serif);
    font-size: 0.78rem;
    font-weight: 700;
}

.faq-question:hover { background: rgba(201,160,78,0.06); }

.faq-question .arrow {
    flex-shrink: 0;
    width: 26px;
    height: 26px;
    line-height: 24px;
    text-align: center;
    border-radius: 50%;
    background: rgba(201,160,78,0.12);
    color: var(--color-gold-dark);
    font-size: 0.7rem;
    transition: all 0.3s ease;
    margin-top: 2px;
}

.faq-item.open .faq-question .arrow {
    transform: rotate(180deg);
    background: var(--color-gold);
    color: #FFF6E3;
}

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.5s ease, padding 0.35s ease;
    font-size: 0.9rem;
    color: var(--color-ink-light);
    line-height: 1.9;
    padding-left: 48px;
    position: relative;
}

.faq-answer::before {
    content: 'A';
    position: absolute;
    left: 20px;
    top: 0;
    width: 22px;
    height: 22px;
    line-height: 22px;
    text-align: center;
    background: linear-gradient(135deg, var(--color-gold), var(--color-gold-dark));
    color: #FFF6E3;
    border-radius: 50%;
    font-family: var(--font-serif);
    font-size: 0.78rem;
    font-weight: 700;
}

.faq-answer > p,
.faq-answer > div,
.faq-answer { text-align: justify; }

.faq-answer ul { padding-left: 20px; margin: 10px 0; }
.faq-answer li { margin: 6px 0; }
.faq-answer .hl {
    background: rgba(201,160,78,0.12);
    padding: 10px 14px;
    border-radius: 10px;
    border-left: 3px solid var(--color-gold);
    margin: 12px 0;
}

.faq-item.open .faq-answer {
    max-height: 800px;
    padding: 0 28px 22px 48px;
}

/* ===== 联系我们 ===== */
.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 36px;
    max-width: 1000px;
    margin: 0 auto;
}

.contact-info {
    background: linear-gradient(160deg, var(--color-warm-white), var(--color-cream-warm));
    border-radius: var(--radius-lg);
    padding: 40px 36px;
    box-shadow: var(--shadow-warm);
    border: 1px solid rgba(230, 211, 178, 0.7);
}

.contact-info h3 {
    font-family: var(--font-serif);
    color: var(--color-brown-dark);
    font-size: 1.35rem;
    letter-spacing: 2px;
    margin-bottom: 26px;
    padding-bottom: 14px;
    border-bottom: 1px dashed var(--color-line);
    display: flex;
    align-items: center;
    gap: 10px;
}

.contact-info h3::before { content: '📜'; }

.contact-item {
    display: flex;
    align-items: flex-start;
    gap: 16px;
    padding: 18px 16px;
    background: rgba(201,160,78,0.06);
    border-radius: var(--radius);
    margin-bottom: 14px;
    border: 1px solid rgba(201,160,78,0.15);
    transition: all 0.3s ease;
}

.contact-item:hover {
    transform: translateX(4px);
    background: rgba(201,160,78,0.1);
    border-color: rgba(201,160,78,0.3);
}

.contact-item .icon {
    width: 46px;
    height: 46px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.4rem;
    flex-shrink: 0;
    background: linear-gradient(135deg, var(--color-gold), var(--color-gold-dark));
    color: #FFF6E3;
}

.contact-item .label {
    font-size: 0.76rem;
    color: var(--color-brown-muted);
    letter-spacing: 2px;
    margin-bottom: 4px;
    font-weight: 500;
}

.contact-item .value {
    font-size: 1.05rem;
    color: var(--color-brown-dark);
    font-weight: 600;
    letter-spacing: 1px;
}

.contact-item .desc {
    font-size: 0.8rem;
    color: var(--color-ink-light);
    margin-top: 3px;
}

.contact-qr {
    background: linear-gradient(160deg, var(--color-warm-white), var(--color-cream-warm));
    border-radius: var(--radius-lg);
    padding: 40px 36px;
    box-shadow: var(--shadow-warm);
    border: 1px solid rgba(230, 211, 178, 0.7);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
}

.contact-qr h3 {
    font-family: var(--font-serif);
    color: var(--color-brown-dark);
    font-size: 1.35rem;
    letter-spacing: 2px;
    margin-bottom: 22px;
    text-align: center;
}

.qr-placeholder {
    width: 220px;
    height: 220px;
    background: #fff;
    border: 2px solid rgba(201, 160, 78, 0.4);
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto;
    padding: 12px;
    box-shadow: 0 4px 16px rgba(139, 94, 60, 0.12);
}

.qr-placeholder img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    border-radius: 8px;
}

/* ===== 页脚 ===== */
.footer {
    background: linear-gradient(180deg, #3A2515 0%, #2C1C0F 100%);
    color: rgba(255, 246, 227, 0.7);
    padding: 56px 0 28px;
    position: relative;
    overflow: hidden;
}

.footer::before {
    content: '';
    position: absolute;
    inset: 0;
    background:
        repeating-linear-gradient(45deg, transparent, transparent 30px, rgba(201,160,78,0.02) 30px, rgba(201,160,78,0.02) 31px),
        radial-gradient(ellipse at 50% 0%, rgba(201,160,78,0.06) 0%, transparent 70%);
    opacity: 0.7;
}

.footer .container { position: relative; z-index: 1; text-align: center; }

.footer-logo {
    margin-bottom: 10px;
    display: inline-flex;
    align-items: center;
    gap: 12px;
}

.footer-logo img {
    height: 88px;
    width: auto;
    display: block;
    object-fit: contain;
}

.footer-logo::before {
    display: none;
}

.footer-logo span {
    display: none;
}

.footer .brand-line {
    font-size: 0.92rem;
    letter-spacing: 3px;
    margin-bottom: 4px;
    color: rgba(255,246,227,0.75);
}

.footer .slogan {
    font-family: var(--font-serif);
    font-size: 0.88rem;
    color: var(--color-gold);
    letter-spacing: 3px;
    margin-bottom: 18px;
    opacity: 0.85;
}

.footer .company {
    font-size: 0.8rem;
    color: rgba(255,246,227,0.42);
    margin-top: 4px;
    line-height: 1.8;
}

.footer .copyright {
    margin-top: 30px;
    padding-top: 22px;
    border-top: 1px solid rgba(201,160,78,0.12);
    font-size: 0.75rem;
    color: rgba(255,246,227,0.3);
    letter-spacing: 1px;
}

/* ===== 动画 ===== */
.fade-in {
    opacity: 0;
    transform: translateY(28px);
    transition: opacity 0.85s cubic-bezier(0.16, 1, 0.3, 1), transform 0.85s cubic-bezier(0.16, 1, 0.3, 1);
}
.fade-in.visible { opacity: 1; transform: translateY(0); }

/* ===== 响应式 ===== */
@media (max-width: 1024px) {
    .hero-char-row { gap: 18px; }
    .hero-char { width: 110px; height: 110px; font-size: 4.4rem; }
    .pricing-grid { grid-template-columns: repeat(2, 1fr); }
    .craft-grid { grid-template-columns: repeat(2, 1fr); }
    .cases-grid { grid-template-columns: repeat(2, 1fr); }
    .testimonials-grid { grid-template-columns: repeat(2, 1fr); }
    .about-grid { grid-template-columns: 1fr; gap: 40px; }
    .about-image-wrap { min-height: 460px; }
    .process-steps::before, .process-steps::after { display: none; }
    .contact-grid { grid-template-columns: 1fr; }
}

@media (max-width: 720px) {
    .section { padding: 64px 0; }
    .container { padding: 0 18px; }
    .nav-links { display: none; }
    .nav-toggle { display: block; }
    .nav-links.open {
        display: flex;
        flex-direction: column;
        position: absolute;
        top: 72px;
        left: 0; right: 0;
        background: var(--color-cream);
        padding: 18px 22px;
        box-shadow: var(--shadow-warm);
        gap: 16px;
        border-top: 1px solid var(--color-line);
    }
    .section-title h2 { font-size: 1.85rem; letter-spacing: 2px; }
    .section-title h2::before, .section-title h2::after { margin: 0 8px; font-size: 0.8rem; }
    .stats-grid { grid-template-columns: repeat(2, 1fr); gap: 24px 0; }
    .stat-item::after { display: none; }
    .pricing-grid { grid-template-columns: 1fr; }
    .craft-grid { grid-template-columns: 1fr; }
    .cases-grid { grid-template-columns: 1fr; }
    .testimonials-grid { grid-template-columns: 1fr; }
    .process-steps { grid-template-columns: 1fr; }
    .hero-char-row { gap: 10px; margin-bottom: 18px; }
    .hero-char { width: 86px; height: 86px; font-size: 3.4rem; border-radius: 10px; }
    .hero h1 { font-size: 2.2rem; letter-spacing: 2px; }
    .hero .tagline { font-size: 1.05rem; }
    .hero .slogan { font-size: 0.95rem; letter-spacing: 2px; margin-bottom: 32px; }
    .hero-buttons { flex-direction: column; align-items: center; }
    .btn { width: 100%; max-width: 300px; text-align: center; }
    .about-tripod { grid-template-columns: 1fr; }
    .tripod-item { padding: 14px; }
    .about-image-wrap { min-height: 340px; }
    .faq-question { padding: 16px 20px 16px 44px; font-size: 0.9rem; }
    .faq-question::before { left: 14px; }
    .faq-item.open .faq-answer { padding: 0 20px 18px 44px; font-size: 0.86rem; }
    .contact-item { flex-direction: column; gap: 10px; align-items: flex-start; }
}