/* ===== 装饰元素（重复块已删除） ===== */

/* ============================================
   瓦工张师傅 - 呼和浩特个人瓦工师傅网站
   设计：暖色调 + 工地气质，区别于装修公司模板
   ============================================ */

:root {
    --color-primary: #C84A1A;        /* 主色：砖红（瓦工质朴、厚重） */
    --color-primary-dark: #9C350F;
    --color-primary-light: #F7E0D2;
    --color-accent: #D9A14A;          /* 点缀：黄土色 */
    --color-dark: #2B1D14;            /* 深色：暖墨黑 */
    --color-text: #2D2418;
    --color-text-light: #7A6B57;
    --color-bg: #FBF5E8;              /* 暖米黄（牛皮纸感） */
    --color-bg-alt: #FFFEF7;          /* 象牙白（最白） */
    --color-bg-warm: #F5E9CC;         /* 更深一点的米黄 */
    --color-white: #ffffff;
    --color-border: #E5D8B8;
    --color-border-soft: #EFE3C7;
    --color-success: #5C7C3F;         /* 菌绿色 */
    --color-ink: #3B2A1A;             /* 墨色（章印、签名） */
    --color-stamp: #B83A24;           /* 印泥红 */
    --shadow-sm: 0 1px 3px rgba(43, 29, 20, 0.06), 0 1px 2px rgba(43, 29, 20, 0.04);
    --shadow-md: 0 2px 6px rgba(43, 29, 20, 0.08), 0 4px 12px rgba(43, 29, 20, 0.06);
    --shadow-lg: 0 4px 12px rgba(43, 29, 20, 0.10), 0 8px 24px rgba(43, 29, 20, 0.08);
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 12px;
    --max-width: 1400px;
    --header-height: 82px;
    --font-heading: "Noto Serif SC", "STZhongsong", "SimSun", "Source Han Serif CN", "Songti SC", serif;
    --font-body: "Noto Sans SC", "PingFang SC", "Microsoft YaHei", system-ui, sans-serif;
    --font-handwriting: "Ma Shan Zheng", "Noto Serif SC", "STXingkai", "Kaiti SC", "KaiTi", cursive;
}

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

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

body {
    font-family: var(--font-body);
    font-size: 16px;
    line-height: 1.7;
    color: var(--color-text);
    background: var(--color-bg);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    padding-bottom: 76px; /* 给移动端底部固定按钮留空间 */
}

img { max-width: 100%; height: auto; display: block; }
a { color: var(--color-primary); text-decoration: none; transition: color .2s; }
a:hover { color: var(--color-primary-dark); }

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    color: var(--color-dark);
    line-height: 1.3;
    font-weight: 700;
}

h1 { font-size: clamp(28px, 4.5vw, 44px); margin-bottom: .5em; }
h2 { font-size: clamp(24px, 3.5vw, 34px); margin-bottom: .5em; }
h3 { font-size: clamp(20px, 2.5vw, 24px); margin-bottom: .5em; }
p { margin-bottom: 1em; }

ul { list-style: none; }

/* ===== 容器 ===== */
.container {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 36px;
}

.section { padding: 70px 0; }
.section-lg { padding: 90px 0; }

/* ===== 通用 chip 系统（统一全站） =====
   chip-solid：实心橙底白字 — 高对比，用于需要视觉钩子的标签
   chip-soft：浅米橙底深褐字 — 柔和，用于次级标签
   ──────────────────────────────────────── */
/* ===== 通用 CTA 按钮组件（统一全站） ===== */
/* ===== 顶部导航 ===== */
.site-header {
    position: sticky;
    top: 0;
    z-index: 100;
    /* 暖米黄 → 象牙白渐变，和页面背景自然衔接，不显得"漂浮" */
    background: linear-gradient(180deg, #FFFEF7 0%, #FBF5E8 100%);
    border-bottom: 3px solid var(--color-primary);
    box-shadow: var(--shadow-md);
}

.site-header .container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: var(--header-height);
}

.site-brand {
    display: flex;
    align-items: center;
    gap: 14px;
    font-weight: 700;
    color: var(--color-dark);
    font-size: 22px;
}

.site-brand .logo {
    width: 48px;
    height: 48px;
    background: var(--color-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-weight: 800;
    font-size: 22px;
    box-shadow: 0 2px 6px rgba(200, 74, 26, 0.25); /* 暖橙红光晕，和页面主色呼应 */
}

.site-brand .brand-text { line-height: 1.2; }
.site-brand .brand-sub {
    display: block;
    font-size: 13px;
    color: var(--color-text-light);
    font-weight: 400;
    margin-top: 2px;
}

.nav-menu { display: flex; gap: 34px; }
.nav-menu a {
    color: var(--color-text);
    font-size: 17px;
    font-weight: 600;
    position: relative;
    padding: 10px 2px;
    letter-spacing: 0.3px;
    transition: color .2s;
}
.nav-menu a:hover, .nav-menu a.active {
    color: var(--color-primary);
}
.nav-menu a.active::after {
    content: '';
    position: absolute;
    bottom: -28px;
    left: 0;
    right: 0;
    height: 3px;
    background: var(--color-primary);
    border-radius: 2px 2px 0 0;
}

.header-phone {
    display: flex;
    align-items: center;
    gap: 8px;
    background: var(--color-primary);
    color: white !important;
    padding: 12px 22px;
    border-radius: var(--radius-md);
    font-weight: 700;
    font-size: 15px;
    box-shadow: 0 2px 6px rgba(200, 74, 26, 0.25);
    transition: transform .15s, box-shadow .15s;
}
.header-phone:hover {
    background: var(--color-primary-dark);
    color: white !important;
    transform: translateY(-1px);
    box-shadow: 0 4px 10px rgba(200, 74, 26, 0.35);
}
.header-phone:hover { background: var(--color-primary-dark); color: white !important; }

.menu-toggle { display: none; background: none; border: none; cursor: pointer; padding: 8px; }
.menu-toggle span { display: block; width: 24px; height: 2px; background: var(--color-dark); margin: 5px 0; transition: .3s; }

/* ===== 首屏 Hero ===== */
.hero {
    background: linear-gradient(135deg, #2B1D14 0%, #4A2F1A 50%, #6B3D1F 100%);
    color: white;
    padding: 70px 0 90px;
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    inset: 0;
    background-image: url('../img/hero-bg-pattern.svg');
    opacity: .05;
}

.hero .container {
    display: grid;
    grid-template-columns: 1.5fr 1fr;
    gap: 40px;
    align-items: center;
    position: relative;
}
.hero .hero-content {
    max-width: 720px;
    width: 100%;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: rgba(232, 93, 47, 0.2);
    color: var(--color-accent);
    padding: 6px 14px;
    border-radius: 20px;
    font-size: 13px;
    font-weight: 600;
    margin-bottom: 20px;
    border: 1px solid rgba(255, 200, 69, 0.3);
}

.hero h1 {
    color: white;
    font-size: clamp(28px, 4.2vw, 40px);
    margin-bottom: 16px;
    line-height: 1.25;
}
.hero h1 .highlight { color: var(--color-accent); }

.hero .subtitle {
    font-size: clamp(16px, 2vw, 20px);
    margin-bottom: 28px;
    color: rgba(255,255,255,.85);
    line-height: 1.6;
}

.hero-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-bottom: 28px;
    max-width: 480px;
}
@media (max-width: 480px) {
    .hero-tags { max-width: 100%; }
}
.hero-tags .tag {
    background: rgba(255, 255, 255, 0.15);
    border: 1px solid rgba(255, 255, 255, 0.3);
    padding: 8px 18px;
    border-radius: 8px;
    font-size: 15px;
    font-weight: 500;
}

.hero-trust {
    display: flex;
    flex-wrap: wrap;
    gap: 20px;
    margin-bottom: 32px;
    font-size: 14px;
}
.hero-trust .trust-item {
    display: flex;
    align-items: center;
    gap: 6px;
    color: rgba(255,255,255,.9);
}
.hero-trust .trust-item::before {
    content: '✓';
    color: var(--color-accent);
    font-weight: bold;
}

.hero-ctas { display: flex; flex-wrap: wrap; gap: 12px; }

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 14px 28px;
    border-radius: var(--radius-md);
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    border: none;
    transition: all .2s;
    text-align: center;
    line-height: 1.2;
}
.btn-primary {
    background: var(--color-primary);
    color: white;
}
.btn-primary:hover {
    background: var(--color-primary-dark);
    color: white;
    transform: translateY(-1px);
    box-shadow: var(--shadow-md);
}
.btn-secondary {
    background: var(--color-accent);
    color: var(--color-dark);
}
.btn-secondary:hover {
    background: #FFB72E;
    color: var(--color-dark);
}
.btn-outline {
    background: transparent;
    color: white;
    border: 2px solid white;
}
.btn-outline:hover { background: white; color: var(--color-primary); }
.btn-lg { padding: 16px 36px; font-size: 17px; }

.hero-image {
    position: relative;
    align-self: start;       /* grid 容器里顶部对齐，不被拉伸 */
}
.hero-image img {
    width: 100%;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    object-fit: cover;
    aspect-ratio: 4 / 5;
}
.hero-watermark {
    position: absolute !important;
    top: 20px !important;
    right: 20px !important;
    left: auto !important;
    bottom: auto !important;
    width: 100px;
    height: 100px;
    border-radius: 50%;
    border: 3px solid var(--color-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    transform: rotate(-12deg);
    z-index: 10;
    pointer-events: none;
    background: transparent;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.25);
}
/* 章面磨损纹理：圆环+几个深浅不均的小圆点，模拟印章盖在照片上的不均匀痕迹 */
.hero-watermark::before {
    content: '';
    position: absolute;
    inset: 5px;
    border-radius: 50%;
    border: 1.5px dashed rgba(200, 74, 26, 0.45);
    pointer-events: none;
}
.hero-watermark-text {
    text-align: center;
    color: var(--color-primary);
    font-family: var(--font-handwriting);
    font-size: 19px;
    font-weight: 800;
    line-height: 1.15;
    letter-spacing: 1.5px;
    /* 白色描边：在照片上红色文字也能清晰读 */
    text-shadow:
        -1px -1px 0 rgba(255, 255, 255, 0.95),
        1px -1px 0 rgba(255, 255, 255, 0.95),
        -1px 1px 0 rgba(255, 255, 255, 0.95),
        1px 1px 0 rgba(255, 255, 255, 0.95),
        0 0 4px rgba(255, 255, 255, 0.8);
}

@media (max-width: 768px) {
    .hero-phone-number { font-size: 26px; padding: 8px 16px; letter-spacing: 1.5px; }
    .hero-phone-line { gap: 10px; }
}
@media (max-width: 480px) {
    .hero-phone-number { font-size: 22px; padding: 6px 14px; }
}

/* ===== 主屏大字号电话展示 ===== */
@media (max-width: 768px) {
    .hero-phone-number { font-size: 26px; padding: 7px 16px; }
    .hero-phone-line { gap: 10px; }
}
@media (max-width: 480px) {
    .hero-phone-number { font-size: 22px; padding: 6px 14px; letter-spacing: 1px; }
}

/* ===== 微信咨询按钮 hover tooltip（醒目版） ===== */
.btn-wechat-cta {
    position: relative;
}
.btn-wechat-cta::after {
    content: '可以点击进去微信咨询\a 07:00-23:00';
    position: absolute;
    left: 50%;
    bottom: calc(100% + 18px);
    transform: translateX(-50%) translateY(8px);
    background: #fff;
    color: #1a1a1a;
    font-size: 15px;
    font-weight: 700;
    line-height: 1.6;
    padding: 14px 22px;
    border-radius: 12px;
    box-shadow: 0 10px 32px rgba(0,0,0,.25), 0 0 0 2px #07C160;
    white-space: pre;
    text-align: center;
    opacity: 0;
    pointer-events: none;
    transition: opacity .2s ease, transform .2s ease;
    z-index: 999;
    min-width: 180px;
}
.btn-wechat-cta::before {
    content: '';
    position: absolute;
    left: 50%;
    bottom: calc(100% + 10px);
    transform: translateX(-50%) translateY(8px);
    border: 8px solid transparent;
    border-top-color: #07C160;
    opacity: 0;
    pointer-events: none;
    transition: opacity .2s ease, transform .2s ease;
    z-index: 999;
}
.btn-wechat-cta:hover::after {
    opacity: 1;
    transform: translateX(-50%) translateY(0);
}
.btn-wechat-cta:hover::before {
    opacity: 1;
    transform: translateX(-50%) translateY(0);
}

/* ===== 师傅手记 - 手写纸贴风格（去除 AI 感）===== */
.master-note {
    background: linear-gradient(135deg, #FFF8DC 0%, #FEF0B8 100%);
    border: 1px solid #E8D88A;
    border-radius: 2px;
    padding: 28px 32px 24px;
    margin: 36px 0;
    box-shadow: 2px 3px 12px rgba(0,0,0,.08);
    position: relative;
    transform: rotate(-1deg);
    max-width: 520px;
    margin-left: auto;
    margin-right: auto;
}
.master-note::before {
    content: '';
    position: absolute;
    top: -10px;
    left: 50%;
    transform: translateX(-50%) rotate(2deg);
    width: 80px;
    height: 22px;
    background: rgba(200, 74, 26, 0.55);
    border: 1px solid rgba(200, 74, 26, 0.7);
    box-shadow: 0 1px 3px rgba(0,0,0,.1);
}
/* 纸贴胶带纹理 */
.master-note::after {
    content: '';
    position: absolute;
    top: -8px;
    left: 50%;
    transform: translateX(-50%) rotate(3deg);
    width: 76px;
    height: 18px;
    background-image: repeating-linear-gradient(
        45deg,
        transparent,
        transparent 4px,
        rgba(255,255,255,0.4) 4px,
        rgba(255,255,255,0.4) 5px
    );
}
/* ===== 案例图片 "工地实拍" 角标 ===== */
/* ===== 微妙的纸张纹理（去除数字完美感）===== */
/* ===== 让卡片有轻微"歪斜感"（真实随手拍照的感觉）===== */
/* ===== 电话按钮 hover tooltip ===== */
.btn-phone-cta {
    position: relative;
}
.phone-cta-tooltip {
    position: absolute;
    left: 50%;
    bottom: calc(100% + 18px);
    transform: translateX(-50%) translateY(8px);
    background: var(--color-dark);
    color: white;
    padding: 14px 22px;
    border-radius: 12px;
    box-shadow: 0 10px 28px rgba(0,0,0,.28);
    opacity: 0;
    pointer-events: none;
    transition: opacity .2s ease, transform .2s ease;
    white-space: nowrap;
    z-index: 20;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 4px;
    min-width: 200px;
}
.phone-cta-tooltip::after {
    content: '';
    position: absolute;
    left: 50%;
    top: 100%;
    transform: translateX(-50%);
    border: 10px solid transparent;
    border-top-color: var(--color-dark);
}
.btn-phone-cta:hover .phone-cta-tooltip,
.btn-phone-cta:focus-visible .phone-cta-tooltip {
    opacity: 1;
    transform: translateX(-50%) translateY(0);
}
.phone-cta-tooltip-number {
    font-size: 22px;
    font-weight: 800;
    letter-spacing: 2px;
}
.phone-cta-tooltip-info {
    font-size: 12px;
    color: rgba(255,255,255,.75);
    margin-top: 2px;
}
@media (max-width: 480px) {
    .phone-cta-tooltip { min-width: 180px; padding: 12px 18px; }
    .phone-cta-tooltip-number { font-size: 19px; }
}
/* ===== 章节标题 ===== */
.section-title {
    text-align: center;
    margin-bottom: 40px;
}
.section-title .label {
    display: inline-block;
    color: var(--color-primary);
    font-size: 14px;
    font-weight: 600;
    letter-spacing: 1px;
    margin-bottom: 8px;
    text-transform: uppercase;
}
.section-title h2 { margin-bottom: 12px; }
.section-title .desc {
    color: var(--color-text-light);
    max-width: 700px;
    margin: 0 auto;
    font-size: 16px;
}

/* ===== 服务网格 ===== */
.services-grid {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 18px;
}
@media (max-width: 1000px) {
    .services-grid { grid-template-columns: repeat(3, 1fr); }
}
@media (max-width: 700px) {
    .services-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 420px) {
    .services-grid { grid-template-columns: 1fr; }
}
.service-card {
    background: var(--color-white);
    border-radius: var(--radius-md);
    padding: 30px 24px;
    text-align: center;
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--color-border);
    transition: all .25s;
}
.service-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-md);
    border-color: var(--color-primary);
}
.service-card .icon {
    width: 60px;
    height: 60px;
    background: var(--color-primary-light);
    border-radius: 50%;
    margin: 0 auto 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 28px;
}
.service-card h3 {
    font-size: 18px;
    margin-bottom: 8px;
}
.service-card p {
    color: var(--color-text-light);
    font-size: 14px;
    margin-bottom: 0;
}

/* ===== 优势模块 ===== */
.advantages {
    background: var(--color-white);
}
.advantages-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
}
@media (max-width: 1000px) {
    .advantages-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 540px) {
    .advantages-grid { grid-template-columns: 1fr; }
}
.advantage-card {
    background: white;
    border-radius: var(--radius-md);
    padding: 32px 26px;
    text-align: left;
    box-shadow: var(--shadow-sm);
    border-left: 4px solid var(--color-primary);
    transition: all .25s;
    display: flex;
    flex-direction: column;
    align-items: flex-start;
}
.advantage-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-md);
}
.advantage-card .check {
    width: 56px;
    height: 56px;
    background: var(--color-primary-light);
    color: var(--color-primary-dark);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: bold;
    font-size: 28px;
    margin-bottom: 18px;
}
.advantage-card h3 {
    font-size: 19px;
    margin: 0 0 12px;
    color: var(--color-dark);
    font-weight: 700;
    line-height: 1.35;
}
.advantage-card p {
    color: var(--color-text);
    font-size: 14px;
    margin: 0 0 16px;
    line-height: 1.75;
}
.advantage-card .chip {
    background: var(--color-primary-light);
    color: var(--color-primary-dark);
    font-size: 12px;
    padding: 4px 10px;
    border-radius: 12px;
    font-weight: 600;
    margin-bottom: 14px;
}

/* ===== 认识张师傅 ===== */
.about-section { background: linear-gradient(180deg, var(--color-bg) 0%, var(--color-bg-alt) 100%); }
.about-grid {
    display: grid;
    grid-template-columns: 1.1fr 1fr;
    gap: 48px;
    align-items: start;
}
.about-photos {
    display: block;
    max-width: 480px;
}
.about-photos picture {
    margin: 0;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 6px 18px rgba(43, 29, 20, 0.10);
    aspect-ratio: 4 / 5;
    display: block;
    background: var(--color-bg);
}
.about-photos picture img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}
.about-content { display: block; }

/* 新版 mosaic 布局：左大图 + 右上 2x2 小图 */
.about-mosaic {
    display: grid;
    grid-template-columns: 1.2fr 1fr;
    gap: 20px;
    margin-bottom: 56px;
    align-items: stretch;
}
.about-mosaic-main {
    position: relative;
    border-radius: 14px;
    overflow: hidden;
    box-shadow: 0 12px 32px rgba(43, 29, 20, 0.15);
    aspect-ratio: 4 / 5;
}
.about-mosaic-main img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}
.about-mosaic-main-caption {
    position: absolute;
    left: 16px;
    bottom: 16px;
    background: rgba(43, 29, 20, 0.85);
    backdrop-filter: blur(8px);
    color: #fff;
    padding: 12px 18px;
    border-radius: 10px;
    display: flex;
    align-items: center;
    gap: 10px;
    max-width: calc(100% - 32px);
}
.about-mosaic-main-caption .caption-icon { font-size: 22px; }
.about-mosaic-main-caption .caption-text { display: flex; flex-direction: column; gap: 2px; line-height: 1.3; }
.about-mosaic-main-caption strong { font-size: 15px; font-weight: 700; }
.about-mosaic-main-caption span { font-size: 12px; opacity: 0.85; }
.about-mosaic-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    grid-template-rows: 1fr 1fr;
    gap: 14px;
}
.about-mosaic-item {
    margin: 0;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 6px 18px rgba(43, 29, 20, 0.10);
    position: relative;
    background: #fff;
    display: flex;
    flex-direction: column;
}
.about-mosaic-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
    aspect-ratio: 1 / 1;
    transition: transform 0.4s ease;
}
.about-mosaic-item:hover img { transform: scale(1.05); }
.about-mosaic-item figcaption {
    position: absolute;
    left: 0;
    right: 0;
    bottom: 0;
    padding: 8px 12px;
    background: linear-gradient(180deg, rgba(43, 29, 20, 0) 0%, rgba(43, 29, 20, 0.85) 100%);
    color: #fff;
    font-size: 13px;
    font-weight: 600;
    text-align: center;
    letter-spacing: 0.5px;
}

/* 文字部分 */
.about-text { max-width: 880px; margin: 0 auto; }
.about-text .section-title { text-align: left; margin-bottom: 28px; }
.about-text .section-title .label {
    color: var(--color-primary);
    font-size: 13px;
    font-weight: 700;
    letter-spacing: 2px;
    margin-bottom: 8px;
}
.about-text .section-title h2 {
    font-size: clamp(28px, 4vw, 36px);
    color: var(--color-dark);
    margin: 0;
    line-height: 1.3;
}
.about-text .quote {
    font-size: 21px;
    font-weight: 600;
    color: var(--color-primary);
    line-height: 1.5;
    padding: 16px 24px;
    border-left: 5px solid var(--color-primary);
    background: var(--color-bg-alt);
    border-radius: 0 8px 8px 0;
    margin-bottom: 32px;
}
.about-paragraphs p {
    font-size: 16px;
    line-height: 1.85;
    color: var(--color-text);
    margin-bottom: 18px;
}
.about-paragraphs p strong { color: var(--color-dark); font-weight: 700; }
.about-highlight {
    display: flex;
    gap: 16px;
    align-items: flex-start;
    background: linear-gradient(135deg, #FFF7E8 0%, #FCEFD2 100%);
    border: 1px solid #E8C97A;
    border-left: 5px solid var(--color-primary);
    border-radius: 10px;
    padding: 24px 28px;
    margin-top: 32px;
}
.about-highlight .highlight-icon {
    flex-shrink: 0;
    width: 48px;
    height: 48px;
    background: var(--color-primary);
    color: #fff;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
}
.about-highlight h3 {
    margin: 0 0 8px;
    font-size: 19px;
    color: var(--color-dark);
    font-weight: 700;
}
.about-highlight p {
    margin: 0;
    font-size: 15px;
    line-height: 1.75;
    color: var(--color-text);
}

@media (max-width: 900px) {
    .about-mosaic { grid-template-columns: 1fr; }
    .about-mosaic-main { aspect-ratio: 16 / 10; }
    .about-mosaic-grid { grid-template-columns: repeat(4, 1fr); }
    .about-mosaic-item img { aspect-ratio: 1 / 1; }
}
@media (max-width: 600px) {
    .about-mosaic-grid { grid-template-columns: repeat(2, 1fr); }
    .about-text .quote { font-size: 18px; padding: 14px 18px; }
    .about-highlight { padding: 18px 20px; gap: 12px; }
    .about-highlight .highlight-icon { width: 40px; height: 40px; font-size: 20px; }
}
.about-content h2 { margin-bottom: 16px; }
.about-content .quote {
    font-size: 20px;
    font-weight: 600;
    color: var(--color-primary);
    margin-bottom: 24px;
    line-height: 1.5;
    padding-left: 16px;
    border-left: 4px solid var(--color-primary);
}
.about-features {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
    margin-top: 20px;
}
.about-feature {
    display: flex;
    align-items: flex-start;
    gap: 12px;
}
.about-feature .ico {
    flex-shrink: 0;
    width: 36px;
    height: 36px;
    background: var(--color-primary-light);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-primary);
    font-weight: bold;
}
.about-feature .text {
    font-size: 14px;
    line-height: 1.5;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
}
.about-feature .text strong {
    display: block;
    color: var(--color-dark);
    margin-bottom: 2px;
    font-size: 15px;
}

/* ===== 服务详情（图+文） ===== */
.service-detail {
    display: grid;
    grid-template-columns: 1.15fr 1fr;
    gap: 56px;
    align-items: start;
}
.service-detail.image-first {
    grid-template-columns: 1fr 1.15fr;
}
.service-detail-content {
    max-width: 640px;
    display: flex;
    flex-direction: column;
    justify-content: flex-start;
    padding: 4px 0;
}
.service-detail-content .label {
    color: var(--color-primary-dark);
    font-size: 12px;
    font-weight: 700;
    letter-spacing: 2.5px;
    margin-bottom: 12px;
    display: inline-block;
    padding: 5px 12px;
    background: var(--color-accent);
    color: white;
    border-radius: 4px;
    align-self: flex-start;
}
.service-detail-content h2 {
    font-size: clamp(32px, 4.5vw, 48px);
    margin: 4px 0 22px;
    color: var(--color-dark);
    line-height: 1.1;
    font-weight: 800;
    letter-spacing: -0.5px;
}
.service-detail-content .quote {
    font-size: 17px;
    color: var(--color-primary-dark);
    font-weight: 600;
    margin: 0 0 24px;
    padding: 6px 0 6px 16px;
    border-left: 5px solid var(--color-primary);
    line-height: 1.5;
    background: linear-gradient(90deg, rgba(200, 74, 26, 0.08) 0%, transparent 100%);
    border-radius: 0 4px 4px 0;
}
.service-chips {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin: 0 0 32px;
}
.service-chip {
    background: var(--color-primary);
    color: white;
    font-size: 14px;
    padding: 8px 18px;
    border-radius: 24px;
    font-weight: 600;
    border: none;
    box-shadow: 0 2px 6px rgba(200, 74, 26, 0.2);
    letter-spacing: 0.3px;
}
.service-intro {
    font-size: 16px;
    line-height: 1.8;
    color: var(--color-text);
    margin: 0 0 14px;
}
.service-closing {
    font-size: 14px;
    line-height: 1.7;
    color: var(--color-text);
    margin: 0 0 28px;
    padding: 14px 18px;
    background: var(--color-primary-light);
    border-left: 4px solid var(--color-primary);
    border-radius: 0 8px 8px 0;
    font-style: normal;
}
.service-cta {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    margin-top: 4px;
    padding: 14px 32px;
    background: var(--color-primary);
    color: white;
    border-radius: 10px;
    font-weight: 600;
    font-size: 16px;
    text-decoration: none;
    transition: all .2s;
    box-shadow: 0  4px 12px rgba(200, 74, 26, 0.25);
}
.service-cta:hover {
    background: var(--color-primary-dark);
    transform: translateY(-2px);
    box-shadow: 0  8px 20px rgba(200, 74, 26, 0.35);
    color: white;
}
.service-detail-content p {
    font-size: 15.5px;
    line-height: 1.85;
    color: var(--color-text);
    margin: 0 0 16px;
}
.service-detail-content h3 {
    font-size: 18px;
    margin: 24px 0 12px;
    color: var(--color-dark);
    font-weight: 700;
}
.service-detail-content ul {
    list-style: none;
    padding: 0;
    margin: 0;
}
.service-detail-content ul li {
    padding: 5px 0;
    font-size: 15px;
    line-height: 1.7;
    color: var(--color-text);
}
.service-detail-content ul li strong {
    color: var(--color-dark);
    font-weight: 700;
}
.service-detail-image {
    position: relative;
    border-radius: 14px;
    overflow: hidden;
    box-shadow: 0 10px 28px rgba(43, 29, 20, 0.15);
    aspect-ratio: 3 / 4;
    height: 520px;
    align-self: start;
}
.service-detail-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}
@media (max-width: 900px) {
    .service-detail {
        grid-template-columns: 1fr;
        gap: 32px;
    }
    .service-detail-image {
        max-height: 420px;
        aspect-ratio: 4 / 5;
    }
}

/* ===== 案例网格 ===== */
.cases-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 22px;
    max-width: 1100px;
    margin: 0 auto;
}
@media (max-width: 1000px) {
    .cases-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 540px) {
    .cases-grid { grid-template-columns: 1fr; }
}
.case-card {
    background: var(--color-white);
    border-radius: var(--radius-md);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    transition: all .25s;
    display: flex;
    flex-direction: column;
    height: 100%;
}
.case-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-md);
}
.case-card .case-img {
    display: block;
    width: 100%;
    aspect-ratio: 3 / 4;
    object-fit: cover;
    max-height: 280px;
    flex-shrink: 0;
}
.case-card .case-body {
    padding: 20px;
    flex: 1;
    display: flex;
    flex-direction: column;
}
.case-card .case-info {
    font-size: 13px;
    color: var(--color-text);
    line-height: 1.7;
    border-top: 1px solid var(--color-border-soft);
    padding-top: 12px;
    margin-top: auto;
}
.case-card .case-meta {
    display: flex;
    gap: 8px;
    margin-bottom: 12px;
    flex-wrap: wrap;
}
.case-card .meta-tag {
    background: var(--color-primary);
    color: white;
    font-size: 11px;
    padding: 4px 10px;
    border-radius: 12px;
    font-weight: 600;
    letter-spacing: 0.3px;
}
.case-card h3 {
    font-size: 18px;
    margin: 0 0 12px;
    line-height: 1.4;
    color: var(--color-dark);
    font-weight: 700;
}
.case-card .case-info strong { color: var(--color-dark); font-weight: 600; }
.case-card .case-cta {
    display: inline-block;
    margin-top: 14px;
    padding: 8px 14px;
    background: var(--color-primary);
    color: white !important;
    border-radius: 6px;
    font-size: 13px;
    font-weight: 600;
    text-decoration: none;
    transition: all .2s;
    align-self: flex-start;
}
.case-card .case-cta:hover {
    background: var(--color-primary-dark);
    transform: translateY(-1px);
    box-shadow: 0 4px 10px rgba(200, 74, 26, 0.25);
    color: white !important;
}

/* ===== 信任栏（手写短句，去数字卡片化） ===== */
.trust-bar {
    background: var(--color-bg, #FBF5E8);
    padding: 64px 0;
    border-top: 1px solid var(--color-border-soft, #EFE3C7);
    border-bottom: 1px solid var(--color-border-soft, #EFE3C7);
}
.trust-quotes {
    max-width: 920px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 1fr 1px 1fr;
    gap: 56px;
    align-items: center;
}
.trust-quote {
    margin: 0;
    padding: 0;
    text-align: center;
}
.trust-quote + .trust-quote {
    border-left: 1px solid var(--color-border, #E5D8B8);
    padding-left: 56px;
    margin-left: -1px;
    grid-column: 3;
}
.trust-bar-grid {
    display: flex;
    max-width: 880px;
    margin: 0 auto;
    align-items: stretch;
}
.trust-line {
    font-family: "Ma Shan Zheng", "Noto Serif SC", cursive, serif;
    font-size: 24px;
    line-height: 1.7;
    color: var(--color-dark, #2B1D14);
    margin: 0 0 14px;
    letter-spacing: 1px;
}
.trust-cite {
    font-size: 14px;
    color: var(--color-text-light, #7A6B57);
    font-style: normal;
    letter-spacing: 0.5px;
}
.trust-card {
    flex: 1;
    text-align: center;
    padding: 20px 32px;
    position: relative;
}
.trust-card + .trust-card::before {
    content: '';
    position: absolute;
    left: 0;
    top: 18%;
    bottom: 18%;
    width: 1px;
    background: var(--color-border);
}
.trust-card--accent .trust-num {
    color: var(--color-primary);
}
.trust-num {
    font-family: "Noto Sans SC", system-ui, sans-serif;
    font-size: 64px;
    font-weight: 800;
    color: var(--color-dark);
    line-height: 1;
    letter-spacing: -2px;
    margin-bottom: 14px;
    display: block;
}
.trust-num small {
    font-size: 22px;
    font-weight: 700;
    margin-left: 4px;
    letter-spacing: 0;
}
.trust-label {
    font-size: 17px;
    font-weight: 700;
    color: var(--color-dark);
    margin-bottom: 8px;
    letter-spacing: 1px;
}
.trust-sub {
    font-size: 13px;
    color: var(--color-text-light);
    letter-spacing: 0.5px;
    line-height: 1.6;
}
@media (max-width: 720px) {
    .trust-quotes {
        grid-template-columns: 1fr;
        gap: 32px;
    }
    .trust-quote + .trust-quote {
        border-left: none;
        border-top: 1px solid var(--color-border, #E5D8B8);
        padding-left: 0;
        margin-left: 0;
        padding-top: 32px;
        grid-column: auto;
    }
}

/* ===== 客户评价 ===== */
.testimonials-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 28px;
    max-width: 1100px;
    margin: 50px auto 0;
    align-items: stretch;
}
.review-card {
    background: linear-gradient(180deg, #FFFEF7 0%, #FBF5E8 100%);
    border: 1px solid #E8DDB8;
    border-radius: 18px;
    padding: 36px 30px 26px;
    box-shadow: 0 4px 16px rgba(200, 122, 26, 0.08);
    display: flex;
    flex-direction: column;
    position: relative;
    overflow: hidden;
    transition: transform .25s ease, box-shadow .25s ease, border-color .25s ease;
}
.review-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, #C84A1A 0%, #D9A14A 50%, #C84A1A 100%);
    border-radius: 18px 18px 0 0;
}
.review-card:hover {
    transform: translateY(-6px);
    box-shadow: 0 12px 32px rgba(200, 74, 26, 0.18);
    border-color: #D9A14A;
}
/* 大引号装饰 */
.review-card .review-quote-mark {
    position: absolute;
    top: 14px;
    right: 22px;
    font-family: Georgia, "Times New Roman", serif;
    font-size: 96px;
    line-height: 1;
    color: var(--color-primary);
    opacity: .14;
    pointer-events: none;
    user-select: none;
    font-weight: 700;
}
/* 彩色五角星 */
.review-card .review-stars {
    display: flex;
    gap: 3px;
    margin-bottom: 16px;
    font-size: 22px;
    line-height: 1;
}
.review-card .review-stars span {
    color: #E5A82A;
    text-shadow: 0 1px 2px rgba(229, 168, 42, 0.25);
    filter: drop-shadow(0 1px 1px rgba(0,0,0,0.05));
}
/* 评价正文 - flex:1 让 author 推到底部 */
.review-card .review-content {
    flex: 1;
    color: var(--color-text);
    line-height: 1.85;
    font-size: 15px;
    margin: 0 0 20px;
    padding: 0 4px;
    position: relative;
    z-index: 1;
}
.review-card .review-author {
    display: flex;
    align-items: center;
    gap: 14px;
    padding-top: 18px;
    border-top: 1px dashed #E5D7B5;
    position: relative;
    z-index: 1;
}
.review-card .review-avatar {
    width: 56px;
    height: 56px;
    border-radius: 50%;
    object-fit: cover;
    border: 3px solid #FFFEF7;
    box-shadow: 0 0 0 2px #C84A1A, 0 2px 6px rgba(0,0,0,0.1);
    flex-shrink: 0;
}
.review-card .review-author-info {
    display: flex;
    flex-direction: column;
    gap: 3px;
    flex: 1;
    min-width: 0;
}
.review-card .review-author-info strong {
    font-size: 16px;
    color: var(--color-dark);
    font-weight: 700;
}
.review-card .review-location {
    font-size: 12.5px;
    color: #8A7860;
    letter-spacing: 0.2px;
}
.review-card .review-badge {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    font-size: 11.5px;
    color: #5C7C3F;
    background: #E8EFE1;
    padding: 4px 10px;
    border-radius: 12px;
    font-weight: 600;
    white-space: nowrap;
    flex-shrink: 0;
}
.review-card .review-badge::before {
    content: '✓';
    font-weight: 800;
    color: #5C7C3F;
}
@media (max-width: 900px) {
    .testimonials-grid { grid-template-columns: 1fr; max-width: 480px; }
}
/* ===== 服务流程 ===== */
.process-section { background: var(--color-bg-alt); }
.process-steps {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
    position: relative;
}
@media (max-width: 900px) {
    .process-steps { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 540px) {
    .process-steps { grid-template-columns: 1fr; }
}
.process-step {
    background: var(--color-white);
    padding: 28px 20px;
    border-radius: var(--radius-md);
    text-align: center;
    position: relative;
    transition: all .25s;
}
.process-step:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-md);
}
.process-step .num {
    position: absolute;
    top: -16px;
    left: 50%;
    transform: translateX(-50%);
    width: 32px;
    height: 32px;
    background: var(--color-primary);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 800;
    font-size: 14px;
}
.process-step h4 {
    font-size: 16px;
    margin: 16px 0 8px;
}
.process-step p {
    font-size: 13px;
    color: var(--color-text-light);
    margin: 0;
}

/* ===== 价格参考 ===== */
/* ===== 通用价格卡 hover 反馈 ===== */
.pricing-note {
    background: var(--color-primary-light);
    border-radius: var(--radius-md);
    padding: 20px 24px;
    margin-top: 24px;
    text-align: center;
    color: var(--color-text);
}
.pricing-note strong { color: var(--color-primary-dark); }

/* ===== 文章卡片 ===== */
.articles-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
    max-width: 960px;
    margin: 0 auto;
}
@media (max-width: 800px) {
    .articles-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 500px) {
    .articles-grid { grid-template-columns: 1fr; }
}
.article-card {
    background: var(--color-white);
    border-radius: var(--radius-md);
    padding: 24px;
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--color-border);
    transition: all .2s;
}
.article-card:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
    border-color: var(--color-primary);
}
.article-card .cat {
    display: inline-block;
    background: var(--color-primary);
    color: white;
    font-size: 11px;
    font-weight: 600;
    padding: 3px 10px;
    border-radius: 12px;
    margin-bottom: 12px;
    letter-spacing: 0.3px;
}
.article-card h3 {
    font-size: 17px;
    margin-bottom: 10px;
    line-height: 1.4;
}
.article-card h3 a { color: var(--color-dark); }
.article-card h3 a:hover { color: var(--color-primary); }
.article-card p {
    font-size: 14px;
    color: var(--color-text-light);
    margin-bottom: 12px;
}
.article-card .more {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    margin-top: auto;
    padding: 8px 14px;
    background: var(--color-primary);
    color: white !important;
    border-radius: 6px;
    font-size: 13px;
    font-weight: 600;
    align-self: flex-start;
    transition: all .2s;
}
.article-card:hover .more {
    background: var(--color-primary-dark);
    transform: translateX(3px);
}

/* ===== FAQ ===== */
.faq-section { background: var(--color-bg-alt); }
.faq-list {
    max-width: 800px;
    margin: 0 auto;
}
.faq-item {
    background: var(--color-white);
    border-radius: var(--radius-md);
    margin-bottom: 12px;
    overflow: hidden;
    box-shadow: var(--shadow-sm);
}
.faq-q {
    padding: 18px 24px;
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-weight: 600;
    color: var(--color-dark);
    user-select: none;
}
.faq-q::after {
    content: '+';
    font-size: 24px;
    color: var(--color-primary);
    transition: transform .2s;
    font-weight: 300;
}
.faq-item.open .faq-q::after { transform: rotate(45deg); }
.faq-a {
    padding: 0 24px;
    max-height: 0;
    overflow: hidden;
    transition: all .3s;
    color: var(--color-text-light);
    line-height: 1.7;
}
.faq-item.open .faq-a {
    padding: 0 24px 18px;
    max-height: 500px;
}

/* ===== 联系区域 ===== */
.contact-section {
    background: linear-gradient(135deg, var(--color-dark) 0%, #2D3E4F 100%);
    color: white;
    padding: 80px 0;
    text-align: center;
}
.contact-section h2 { color: white; }
.contact-section .desc {
    color: rgba(255,255,255,.8);
    max-width: 600px;
    margin: 0 auto 40px;
    font-size: 18px;
}
.contact-methods {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
    max-width: 720px;
    margin: 0 auto 32px;
}
@media (max-width: 600px) {
    .contact-methods { grid-template-columns: 1fr; }
}
.contact-card {
    background: rgba(255,255,255,.08);
    border: 1px solid rgba(255,255,255,.15);
    border-radius: var(--radius-md);
    padding: 32px 24px;
    color: white;
    transition: all .2s;
    text-align: center;
}
.contact-card:hover {
    background: rgba(255,255,255,.15);
    color: white;
    transform: translateY(-3px);
    box-shadow: 0 8px 16px rgba(0,0,0,.15);
}
.contact-card .ico {
    width: 56px;
    height: 56px;
    background: var(--color-primary);
    border-radius: 50%;
    margin: 0 auto 14px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
}
.contact-card .label {
    font-size: 14px;
    color: rgba(255,255,255,.7);
    margin-bottom: 6px;
}
.contact-card .value {
    font-size: 24px;
    font-weight: 700;
    margin-bottom: 4px;
}
.contact-card .hint {
    font-size: 13px;
    color: rgba(255,255,255,.6);
}

/* ===== Footer ===== */
.site-footer {
    background: #14222B;
    color: rgba(255,255,255,.7);
    padding: 50px 0 32px;
    font-size: 14px;
}
.site-footer .container {
    display: grid;
    grid-template-columns: 1.5fr 1fr 1fr 1fr;
    gap: 30px;
}
.site-footer h4 {
    color: white;
    font-size: 15px;
    margin-bottom: 16px;
}
.site-footer ul li { margin-bottom: 8px; }
.site-footer a { color: rgba(255,255,255,.7); }
.site-footer a:hover { color: white; }
.footer-brand {
    color: white;
    font-size: 20px;
    font-weight: 700;
    letter-spacing: 0.5px;
}
.footer-records {
    grid-column: 1 / -1;
    width: 100%;
    max-width: var(--max-width);
    margin: 34px auto 0;
    padding: 16px 20px 14px;
    border: 1px solid rgba(255,255,255,.12);
    border-radius: 12px;
    background: rgba(255,255,255,.025);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 5px;
    color: rgba(255,255,255,.65);
    font-size: 13px;
    line-height: 1.6;
    text-align: center;
}
.footer-records .footer-record-link {
    color: rgba(255,255,255,.9);
    text-decoration: none;
    letter-spacing: .08em;
}
.footer-records .footer-record-link:hover { color: white; }
.footer-records .footer-record-copy {
    color: rgba(255,255,255,.52);
}

/* ===== 移动端底部固定按钮 ===== */
.mobile-cta {
    display: none;
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    background: white;
    border-top: 1px solid var(--color-border);
    z-index: 90;
    box-shadow: 0 -4px 16px rgba(0,0,0,.10);
    padding: 10px 10px calc(10px + env(safe-area-inset-bottom)) 10px;
}
.mobile-cta .buttons {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 8px;
}
.mobile-cta a {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    padding: 14px 12px;
    border-radius: var(--radius-md);
    font-weight: 600;
    font-size: 15px;
    text-decoration: none;
    transition: all .15s;
    min-height: 48px;
}
.mobile-cta .btn-call {
    background: var(--color-primary);
    color: white;
    box-shadow: 0 2px 8px rgba(200, 74, 26, 0.25);
}
.mobile-cta .btn-call:hover { background: var(--color-primary-dark); color: white; }
.mobile-cta .btn-wechat {
    background: #07C160;
    color: white;
    box-shadow: 0 2px 8px rgba(7, 193, 96, 0.25);
}
.mobile-cta .btn-wechat:hover { background: #06AD56; color: white; }

/* ===== 桌面端悬浮联系按钮（圆形） ===== */
.float-contact {
    display: none;
    position: fixed;
    right: 24px;
    bottom: 32px;
    z-index: 95;
    flex-direction: column;
    gap: 12px;
}
.float-contact a {
    width: 56px;
    height: 56px;
    background: var(--color-primary);
    color: white !important;
    border-radius: 50%;
    box-shadow: 0 4px 14px rgba(200, 74, 26, 0.30);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    text-decoration: none;
    transition: all .2s;
    position: relative;
}
.float-contact a:hover {
    transform: translateY(-3px) scale(1.06);
    box-shadow: 0 8px 20px rgba(200, 74, 26, 0.40);
    color: white !important;
}
.float-contact a::after {
    content: attr(data-label);
    position: fixed;
    right: 80px;
    bottom: 36px;
    background: var(--color-primary);
    color: #fff;
    font-size: 18px;
    font-weight: 800;
    letter-spacing: .5px;
    padding: 14px 24px;
    border-radius: 14px;
    white-space: nowrap;
    box-shadow: 0 8px 32px rgba(200,74,26,.45);
    opacity: 0;
    pointer-events: none;
    transition: opacity .25s ease, transform .25s ease;
    z-index: 9999;
    transform: translateY(6px);
}
.float-contact a::before {
    content: '';
    position: fixed;
    right: 64px;
    bottom: 56px;
    border: 10px solid transparent;
    border-top-color: var(--color-primary);
    opacity: 0;
    pointer-events: none;
    transition: opacity .25s ease;
    z-index: 9999;
}
.float-contact a:hover::after {
    opacity: 1;
    transform: translateY(0);
}
.float-contact a:hover::before { opacity: 1; }
.float-contact a.float-contact-wechat::after,
.float-contact-wechat::after {
    content: attr(data-label);
    white-space: pre;
    background: #fff;
    color: #1a1a1a;
    font-size: 14px;
    font-weight: 700;
    line-height: 1.6;
    padding: 12px 20px;
    border-radius: 12px;
    box-shadow: 0 8px 28px rgba(0,0,0,.22);
    right: calc(100% + 18px);
    left: auto;
    bottom: auto;
    top: 50%;
    transform: translateY(-50%) translateX(8px);
    border: 2px solid #07C160;
    min-width: 180px;
    text-align: center;
}
.float-contact-wechat:hover::after {
    transform: translateY(-50%) translateX(0);
}
.float-contact a.float-contact-wechat::before,
.float-contact-wechat::before {
    content: '';
    border-left: 10px solid #07C160;
    border-right: none;
    border-top: none;
    border-bottom: none;
    right: calc(100% + 8px);
    left: auto;
    bottom: auto;
    top: 50%;
    transform: translateY(-50%) translateX(8px);
}
.float-contact-wechat:hover::before {
    transform: translateY(-50%) translateX(0);
}
/* 滚动到 footer 附近时淡出（避免与底部 CTA / footer 重叠） */
.float-contact.float-near-bottom {
    opacity: 0;
    pointer-events: none;
    transform: translateY(8px);
    transition: all .25s;
}
.float-contact {
    transition: opacity .25s, transform .25s;
}
.float-contact-wechat {
    background: #07C160 !important;
    box-shadow: 0 4px 14px rgba(7, 193, 96, 0.30) !important;
}
.float-contact-wechat:hover {
    box-shadow: 0 8px 20px rgba(7, 193, 96, 0.40) !important;
}
@media (min-width: 769px) {
    .float-contact { display: flex; }
    .mobile-cta { display: none !important; }
}

/* ===== 文章底部大 CTA 块 ===== */
.bottom-cta-block {
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
    padding: 64px 0;
    color: white;
    text-align: center;
}
.bottom-cta-card { max-width: 720px; margin: 0 auto; padding: 0 24px; }
.bottom-cta-icon {
    width: 80px;
    height: 80px;
    background: rgba(255,255,255,0.18);
    border-radius: 50%;
    margin: 0 auto 22px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 36px;
}
.bottom-cta-card h2 {
    color: white;
    font-size: clamp(26px, 4vw, 36px);
    margin: 0 0 14px;
}
.bottom-cta-card p {
    color: rgba(255,255,255,0.92);
    font-size: 17px;
    line-height: 1.7;
    margin: 0 0 28px;
}
.bottom-cta-buttons {
    display: flex;
    gap: 14px;
    justify-content: center;
    flex-wrap: wrap;
}
.bottom-cta-buttons .btn {
    background: white;
    color: var(--color-primary) !important;
    box-shadow: 0 4px 12px rgba(0,0,0,0.15);
}
.bottom-cta-buttons .btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(0,0,0,0.25);
    background: white;
    color: var(--color-primary-dark) !important;
}
.bottom-cta-buttons .btn-wechat-light {
    background: #07C160;
    color: white !important;
    box-shadow: 0 4px 12px rgba(7, 193, 96, 0.30);
}
.bottom-cta-buttons .btn-wechat-light:hover {
    background: #06AD56;
    color: white !important;
    box-shadow: 0 8px 20px rgba(7, 193, 96, 0.40);
}

/* ===== 响应式 ===== */
@media (max-width: 900px) {
    .hero .container { grid-template-columns: 1fr; }
    .hero-image { max-width: 320px; margin: 0 auto; }    .about-grid { grid-template-columns: 1fr; }
    .site-footer .container { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 768px) {
    body { padding-bottom: 76px; }
    .section { padding: 40px 0; }
    .section-lg { padding: 50px 0; }
    .nav-menu { 
        display: none;
        position: absolute;
        top: var(--header-height);
        left: 0;
        right: 0;
        background: white;
        flex-direction: column;
        padding: 20px;
        gap: 16px;
        box-shadow: var(--shadow-md);
        border-bottom: 2px solid var(--color-primary);
    }
    .nav-menu.open { display: flex; }
    .nav-menu a.active::after { display: none; }
    .menu-toggle { display: block; }
    .header-phone { display: none; } /* 移动端有底部固定 CTA，header 里隐藏电话按钮，让汉堡按钮能挤出来 */
    .site-brand { font-size: 18px; gap: 10px; }
    .site-brand .logo { width: 40px; height: 40px; font-size: 18px; }
    .site-brand .brand-sub { font-size: 11px; }
    .nav-menu a { font-size: 16px; padding: 8px 2px; }
    .hero { padding: 40px 0 60px; }
    .hero-ctas .btn { padding: 12px 20px; font-size: 15px; }
    .mobile-cta { display: block; }
    .site-footer { padding: 40px 0 40px; }
    .site-footer .container { grid-template-columns: 1fr; gap: 32px; }
    .site-footer h4 { margin-top: 8px; }
}

@media (max-width: 480px) {
    .hero-tags { gap: 6px; }
    .hero-tags .tag { font-size: 12px; padding: 4px 10px; }}

/* ===== 装饰元素（已删除，简化设计） ===== */

/* ===== 案例卡（简洁） ===== */
.case-record {
    background: var(--color-white);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    transition: all .2s;
    display: flex;
    flex-direction: column;
    height: 100%;
}
.case-record:hover {
    box-shadow: var(--shadow-md);
    transform: translateY(-4px);
    border-color: var(--color-primary-light);
}
.case-record .case-img {
    display: block;
    width: 100%;
    aspect-ratio: 3 / 4;
    object-fit: cover;
    border-bottom: 1px solid var(--color-border);
    max-height: 280px;
    flex-shrink: 0;
}
.case-record .case-body {
    padding: 18px 20px;
    flex: 1;
    display: flex;
    flex-direction: column;
}
.case-record .case-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 10px;
    gap: 8px;
}
.case-record .case-no {
    font-size: 11px;
    color: var(--color-primary);
    font-weight: 700;
    letter-spacing: 1.5px;
    text-transform: uppercase;
    flex-shrink: 0;
    opacity: 0.85;
}
.case-record .case-date {
    font-size: 11px;
    color: var(--color-text-light);
    opacity: 0.7;
}
.case-record h3 {
    font-size: 18px;
    margin: 4px 0 12px;
    line-height: 1.35;
    color: var(--color-dark);
    font-weight: 700;
}
.case-record .case-info {
    font-size: 13px;
    color: var(--color-text);
    line-height: 1.7;
    border-top: 1px solid var(--color-border-soft);
    padding-top: 10px;
    margin-top: auto;
}
.case-record .case-info strong { color: var(--color-dark); font-weight: 600; }
.case-record .case-tags {
    display: flex;
    gap: 6px;
    margin-bottom: 10px;
    flex-wrap: wrap;
}
.case-record .case-tags .tag {
    background: var(--color-primary);
    color: #fff;
    font-size: 11px;
    padding: 3px 10px;
    border-radius: 12px;
    font-weight: 600;
    letter-spacing: 0.3px;
}

/* ===== 师傅寄语（手写纸贴风格） ===== */
.master-note {
    background: linear-gradient(135deg, #FFF8DC 0%, #FEF0B8 100%);
    border: 1px solid #E8D88A;
    border-radius: 2px;
    padding: 40px 48px 32px;
    max-width: 880px;
    margin: 0 auto;
    width: 100%;
    position: relative;
    box-sizing: border-box;
    box-shadow: 2px 3px 12px rgba(0,0,0,.08);
    transform: rotate(-0.6deg);
}
.master-note::before {
    content: '';
    position: absolute;
    top: -10px;
    left: 50%;
    transform: translateX(-50%) rotate(2deg);
    width: 100px;
    height: 24px;
    background: rgba(200, 74, 26, 0.55);
    border: 1px solid rgba(200, 74, 26, 0.65);
    box-shadow: 0 1px 3px rgba(0,0,0,.12);
    background-image: repeating-linear-gradient(
        45deg,
        transparent,
        transparent 4px,
        rgba(255,255,255,0.4) 4px,
        rgba(255,255,255,0.4) 5px
    );
}
.master-note .note-text {
    font-family: var(--font-handwriting);
    font-size: 18px;
    line-height: 1.9;
    color: #3B2A1A;
}
.master-note .note-text p { margin-bottom: 14px; }
.master-note .note-text .indent { text-indent: 2em; }
.master-note .note-sig {
    margin-top: 28px;
    padding-top: 16px;
    text-align: right;
    color: var(--color-text-light);
    font-family: var(--font-handwriting);
}
.master-note .note-sig .name {
    font-size: 20px;
    font-weight: 700;
    color: var(--color-stamp);
    margin-right: 8px;
    transform: rotate(-3deg);
    display: inline-block;
}
.master-note .note-sig .date {
    font-size: 13px;
    margin-top: 4px;
    font-family: var(--font-body);
}
.gallery-grid .gallery-item {
    break-inside: avoid;
    margin-bottom: 16px;
    border-radius: var(--radius-md);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    transition: all .2s;
    cursor: pointer;
    background: var(--color-bg);
}
.gallery-grid .gallery-item:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-md);
}
.gallery-grid .gallery-item img {
    width: 100%;
    height: auto;
    display: block;
}
.gallery-grid .gallery-item .label {
    padding: 10px 14px;
    font-size: 13px;
    color: var(--color-text);
    background: white;
    border-top: 1px solid var(--color-border);
}
.gallery-grid .gallery-item.featured {
    /* 大图项 */
}

@media (max-width: 900px) {
    .gallery-grid { columns: 3; }
}
@media (max-width: 600px) {
    .gallery-grid { columns: 2; column-gap: 10px; }
    .gallery-grid .gallery-item { margin-bottom: 10px; }
    .gallery-grid .gallery-item .label { padding: 8px 10px; font-size: 12px; }
}

/* ===== 师傅寄语（手写纸贴风格-最终定义） ===== */
.master-note {
    background: linear-gradient(135deg, #FFF8DC 0%, #FEF0B8 100%);
    border: 1px solid #E8D88A;
    border-radius: 2px;
    padding: 56px 64px 40px;
    box-shadow: 2px 4px 16px rgba(0,0,0,.10);
    width: 100%;
    max-width: 1320px;
    box-sizing: border-box;
    margin: 0 auto;
    position: relative;
    transform: rotate(-0.6deg);
}
.master-note::before {
    content: '';
    position: absolute;
    top: -12px;
    left: 50%;
    transform: translateX(-50%) rotate(2deg);
    width: 130px;
    height: 28px;
    background: rgba(200, 74, 26, 0.55);
    border: 1px solid rgba(200, 74, 26, 0.65);
    box-shadow: 0 2px 4px rgba(0,0,0,.15);
    background-image: repeating-linear-gradient(
        45deg,
        transparent,
        transparent 5px,
        rgba(255,255,255,0.45) 5px,
        rgba(255,255,255,0.45) 6px
    );
}
.master-note .note-text {
    font-family: var(--font-handwriting);
    font-size: 19px;
    line-height: 2.0;
    color: #3B2A1A;
}
.master-note .note-text p { margin-bottom: 14px; }
.master-note .note-text .indent { text-indent: 2em; }
.master-note .note-sig {
    margin-top: 36px;
    padding-top: 18px;
    text-align: right;
    color: var(--color-ink);
    font-family: var(--font-handwriting);
}
.master-note .note-sig .name {
    font-size: 26px;
    display: inline-block;
    margin-right: 14px;
    color: var(--color-stamp);
    font-weight: 700;
    transform: rotate(-3deg);
}
.master-note .note-sig .date {
    font-size: 13px;
    color: var(--color-text-light);
    margin-top: 6px;
    font-family: var(--font-body);
}
@media (max-width: 768px) {
    .master-note { padding: 36px 28px; }
}

/* ===== 深色背景 section 的 title 颜色保护 ===== */
.hero .section-title h2,
.hero-bg .section-title h2,
.contact-section .section-title h2 {
    color: white;
}
.hero .section-title .label,
.hero-bg .section-title .label,
.contact-section .section-title .label {
    color: rgba(255, 200, 69, 0.85);
}
.hero .section-title .desc,
.hero-bg .section-title .desc,
.contact-section .section-title .desc {
    color: rgba(255, 255, 255, 0.8);
}
.sticky-note {
    position: relative;
    padding: 52px 28px 28px;
    border-radius: 4px;
    box-shadow:
        0 1px 1px rgba(0,0,0,.08),
        0 6px 14px rgba(0,0,0,.10),
        0 14px 32px rgba(0,0,0,.08);
}
.sticky-note::before {
    content: '';
    position: absolute;
    top: -8px;
    left: 50%;
    width: 72px;
    height: 22px;
    background: rgba(255,255,255,.55);
    border: 1px solid rgba(0,0,0,.04);
    transform: translateX(-50%) rotate(-3deg);
    box-shadow: 0 1px 2px rgba(0,0,0,.08);
}
.sticky-note:nth-child(1) { transform: rotate(-1.8deg); background: #FFF3B0; }
.sticky-note:nth-child(2) { transform: rotate(1.8deg);  background: #FFD6E0; }
.sticky-note:nth-child(3) { transform: rotate(1.8deg);  background: #C8E6C9; }
.sticky-note:nth-child(4) { transform: rotate(-1.8deg); background: #BBDEFB; }
.sticky-note .note-num {
    font-family: var(--font-handwriting);
    font-size: 40px;
    font-weight: 700;
    color: rgba(0,0,0,.65);
    line-height: 1;
    margin-bottom: 14px;
    text-align: center;
}
.sticky-note h3 {
    font-size: 18px;
    font-family: var(--font-heading);
    color: var(--color-dark);
    margin-bottom: 10px;
    text-align: center;
}
.sticky-note p {
    font-size: 14px;
    color: var(--color-text);
    line-height: 1.75;
    text-align: center;
    margin: 0;
}
@media (max-width: 640px) {
    .sticky-notes { grid-template-columns: 1fr; max-width: 320px; }
}

/* ===== 工具类 ===== */
.text-center { text-align: center; }
.text-primary { color: var(--color-primary); }
.bg-alt { background: var(--color-bg-alt); }
.bg-white { background: var(--color-white); }
.mt-4 { margin-top: 32px; }