/* ============================================
   沪上调音 - 桌面端样式
   参考风格：MuTu 简洁现代风格
   ============================================ */

/* ---------- CSS 变量 ---------- */
:root {
    --color-primary: #2C3E50;       /* 深蓝灰 - 主色 */
    --color-primary-light: #34495E;
    --color-accent: #E67E22;        /* 暖橙色 - 强调色 */
    --color-accent-hover: #D35400;
    --color-bg: #FAFAF9;            /* 米白背景 */
    --color-bg-alt: #F5F4F0;        /* 暖灰背景 */
    --color-text: #2C2C2C;
    --color-text-light: #333;
    --color-text-muted: #666;
    --color-white: #FFFFFF;
    --color-border: #E8E5DF;
    --font-heading: 'Georgia', 'Noto Serif SC', 'STSong', serif;
    --font-body: 'Helvetica Neue', 'PingFang SC', 'Microsoft YaHei', sans-serif;
    --container-max: 1200px;
    --radius: 8px;
    --shadow-sm: 0 1px 3px rgba(0,0,0,0.06);
    --shadow-md: 0 4px 20px rgba(0,0,0,0.08);
    --shadow-lg: 0 10px 40px rgba(0,0,0,0.1);
    --transition: 0.3s ease;
}

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

html {
    scroll-behavior: smooth;
    scroll-padding-top: 80px;
}

body {
    font-family: var(--font-body);
    color: var(--color-text);
    background-color: var(--color-bg);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
}

a {
    text-decoration: none;
    color: inherit;
}

ul {
    list-style: none;
}

img {
	max-width: 100%;
	display: block;
	height: auto;
}

.container {
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 24px;
}

/* ---------- 按钮 ---------- */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 12px 32px;
    border-radius: 50px;
    font-size: 20px;
    font-weight: bold;
    cursor: pointer;
    transition: all var(--transition);
    border: 2px solid transparent;
    white-space: nowrap;
}

.btn--primary {
    background-color: var(--color-accent);
    color: var(--color-white);
    border-color: var(--color-accent);
}

.btn--primary:hover {
    background-color: var(--color-accent-hover);
    border-color: var(--color-accent-hover);
    transform: translateY(-1px);
    box-shadow: var(--shadow-md);
}

.btn--outline {
    background-color: transparent;
    color: var(--color-primary);
    border-color: var(--color-primary);
}

.btn--outline:hover {
    background-color: var(--color-primary);
    color: var(--color-white);
}

.btn--full {
    width: 100%;
}

.btn--big {
	width: 50%;
	margin: 0px 25%;
}

/* ---------- 顶部导航栏 ---------- */
.header {
    position: sticky;
    top: 0;
    z-index: 1000;
    background-color: rgba(255,255,255,0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--color-border);
}

.header__inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 82px;
}

.header__logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-family: 'Segoe UI', "微软雅黑", 'Georgia', 'Noto Serif SC', 'STSong', serif;
    font-size: 28px;
    font-weight: bold;
    color: var(--color-primary);
}

.header__logo-icon {
	background: url(../images/logo_3.png) no-repeat right center;
	background-size: 35px 35px;
	font-size: 36px;
	width: 40px;
	height: 50px;
}

.header__menu {
    display: flex;
    gap: 32px;
}

.header__link {
    font-size: 15px;
    color: var(--color-text-light);
    padding: 8px 0;
    border-bottom: 2px solid transparent;
    transition: all var(--transition);
}

.header__link:hover,
.header__link--active {
    color: var(--color-primary);
    border-bottom-color: var(--color-accent);
}

/* 移动端菜单按钮（桌面端隐藏） */
.header__toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 4px;
}

.header__toggle-bar {
    width: 24px;
    height: 2px;
    background-color: var(--color-primary);
    border-radius: 2px;
    transition: all var(--transition);
}

/* ---------- 首屏英雄区 ---------- */
.hero {
    padding: 80px 0 100px;
    background: linear-gradient(135deg, #FAFAF9 0%, #F0EDE6 100%);
}

.hero .container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.hero__badge { display: inline-block; font-size: 16px; font-weight: 600; color: var(--color-accent); background: var(--color-accent-light); padding: 8px 5px; border-radius: 50px; margin-bottom: 10px; }

.hero__floating-card {
    position: absolute; bottom: -15px; left: -30px;
    background: #fff; border-radius: 12px; padding: 5px 22px 5px 18px;
    box-shadow: var(--shadow-md); display: flex; align-items: center; gap: 8px;
    font-size: 15px; font-weight: 500; color: var(--color-primary);
}
.hero__floating-card .hero__floating-icon {
    font-size: 24px; 
}

.hero__title {
    font-family: var(--font-heading);
    font-size: 50px;
    font-weight: bold;
    color: var(--color-primary);
    line-height: 1.2;
    margin-bottom: 20px;
}

.hero__subtitle {
    font-size: 18px;
    color: var(--color-text-light);
    margin-bottom: 36px;
    line-height: 1.7;
}

.hero__actions {
    display: flex;
    gap: 16px;
    margin-bottom: 50px;
}

.hero__stats {
    display: flex;
    gap: 48px;
}

.hero__stat {
    display: flex;
    flex-direction: column;
}

.hero__stat-number {
    font-family: var(--font-heading);
    font-size: 36px;
    font-weight: 700;
    color: var(--color-accent);
}

.hero__stat-label {
    font-size: 15px;
    color: var(--color-text-muted);
    margin-top: 4px;
}

.hero__visual {
	display: flex;
	justify-content: center;
	align-items: center;
	position: relative;
}

.hero__placeholder {
    width: 550px;
    height: auto;
    border-radius: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
}
.hero__placeholder img {
    width: 100%;
    height: auto;
    border-radius: 20px;
}


/* ---------- 通用区块标题 ---------- */
.section-header {
    text-align: center;
    margin-bottom: 60px;
}

.section-header__title {
    font-family: var(--font-heading);
	font-size: 38px;
	font-weight: 700;

    color: var(--color-primary);
	margin-bottom: 12px;
	letter-spacing: 1px;
}

.section-header__subtitle {
    font-size: 16px;
    color: var(--color-text-light);
    max-width: 560px;
    margin: 0 auto;
}

/* ---------- 服务项目 ---------- */
.services {
    padding: 80px 0;
    background-color: var(--color-white);
}

.services__grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 28px;
}

.service-card {
    padding: 36px 28px;
    border-radius: var(--radius);
    background-color: var(--color-bg);
    border: 1px solid var(--color-border);
    transition: all var(--transition);
}

.service-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-md);
    background-color: var(--color-white);
}

.service-card__icon {
    font-size: 40px;
    margin-bottom: 18px;
}

.service-card__icon img {
    width: 38px;
	height: auto;
} 
.service-card i {
    font-size: 40px;
}

.service-card__title {
    font-family: var(--font-heading);
    font-size: 24px;
    color: var(--color-primary);
    margin-bottom: 10px;
}

.service-card__desc {
    font-size: 15px;
    color: var(--color-text-light);
    line-height: 1.8;
    margin-bottom: 16px;
}

.service-card__link {
    font-size: 15px;
    color: var(--color-accent);
    font-weight: 500;
    transition: color var(--transition);
}

.service-card__link:hover {
    color: var(--color-accent-hover);
}

/* ---------- 调律师团队 ---------- */
.team {
    padding: 80px 0;
    background-color: var(--color-bg-alt);
}

.team__grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 28px;
}

.team-card {
    text-align: center;
    padding: 40px 28px;
    border-radius: var(--radius);
    background-color: var(--color-white);
    border: 1px solid var(--color-border);
    transition: all var(--transition);
}

.team-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-md);
}

.team-card__avatar {
    font-size: 64px;
    margin-bottom: 16px;
}

.team-card__name {
    font-family: var(--font-heading);
    font-size: 20px;
    color: var(--color-primary);
    margin-bottom: 6px;
}

.team-card__title {
    font-size: 15px;
    color: var(--color-accent);
    font-weight: 500;
    margin-bottom: 8px;
}

.team-card__exp {
    font-size: 15px;
    color: var(--color-text-light);
    margin-bottom: 12px;
}

.team-card__bio {
    font-size: 13px;
    color: var(--color-text-muted);
    line-height: 1.6;
}

/* 服务区域 */
.service-areas {
  padding: 70px 0;
  background: #f5f8fa;
  text-align: center;
}
.areas-grid {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 12px;
  max-width: 900px;
  margin: 0 auto 20px;
}
.area-tag {
  background: white;
  border: 1px solid #d0dce5;
  padding: 8px 22px;
  font-size: 0.95rem;
  color: #2c3e4f;
  transition: 0.2s;
}
.area-tag:hover {
  border-color: #4f7d8c;
  color: #4f7d8c;
}
.areas-note {
	font-size: 0.9rem;
	color: #5e6f7e;
	text-align: center;
}
.areas-note i {
  color: #4f7d8c;
}

/* ---------- 价格表 ---------- */
.pricing {
    padding: 80px 0;
    background-color: var(--color-white);
}

.pricing__table-wrapper {
    overflow-x: auto;
    margin-bottom: 20px;
}

.pricing__table {
    width: 100%;
    border-collapse: collapse;
    font-size: 15px;
}

.pricing__table thead th {
    background-color: var(--color-primary);
    color: var(--color-white);
    padding: 14px 20px;
    text-align: left;
	font-size: 16px;
    font-weight: 500;
}

.pricing__table thead th:first-child {
    border-radius: var(--radius) 0 0 0;
}

.pricing__table thead th:last-child {
    border-radius: 0 var(--radius) 0 0;
}

.pricing__table tbody td {
    font-size: 16px;
	padding: 14px 20px;
    border-bottom: 1px solid var(--color-border);
}

.pricing__table tbody tr:hover {
    background-color: var(--color-bg);
}

.pricing__note {
    text-align: center;
    font-size: 15px;
    color: var(--color-text-muted);
}


/* ========== 5. 服务范围（各区） ========== */
.areas { padding: 80px 0; background-color: var(--color-bg-alt); }
.areas__grid { display: grid; grid-template-columns: repeat(5, 1fr); gap: 18px; max-width: 900px; margin: 0 auto; }
.area-card {
    display: flex; flex-direction: column; align-items: center; gap: 10px;
    padding: 18px 16px; border-radius: var(--radius); background-color: var(--color-bg);
    border: 1px solid var(--color-border); transition: all var(--transition); cursor: default;
}
.area-card:hover { transform: translateY(-3px); box-shadow: var(--shadow-md); background-color: var(--color-white); }
.area-card__icon { font-size: 32px; }
.area-card__name { font-size: 16px; font-weight: 500; color: var(--color-primary); }
.areas__note { text-align: center; font-size: 14px; color: var(--color-text-muted); margin-top: 28px; }


/* ---------- 预约表单 ---------- */
.booking {
    padding: 80px 0;
    background-color: var(--color-bg-alt);
}

.booking__form {
    max-width: 900px;
    margin: 0 auto;
    background-color: var(--color-white);
    padding: 80px 80px 80px 80px;
    border-radius: var(--radius);
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--color-border);
}

.booking__row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
}

.booking__field {
    margin-bottom: 20px;
}

.booking__field--full {
    grid-column: 1 / -1;
}

.booking__label {
    display: block;
    font-size: 16px;
    font-weight: bold;
    color: var(--color-primary);
    margin-bottom: 8px;
}

.booking__input,
.booking__textarea {
    width: 100%;
    padding: 12px 16px;
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    font-size: 15px;
	line-height: 28px;
    font-family: var(--font-body);
    color: var(--color-text);
    background-color: var(--color-bg);
    transition: border-color var(--transition);
}

.booking__input:focus,
.booking__textarea:focus {
    outline: none;
    border-color: var(--color-accent);
    background-color: var(--color-white);
}

.booking__textarea {
    resize: vertical;
    min-height: 80px;
}

/* ---------- 常见问题 ---------- */
.faq {
    padding: 80px 0;
    background-color: var(--color-white);
}

.faq__list {
    max-width: 720px;
    margin: 0 auto;
}

.faq__item {
    border-bottom: 1px solid var(--color-border);
    padding: 20px 0;
}

.faq__question {
    font-size: 17px;
    font-weight: 500;
    color: var(--color-primary);
    cursor: pointer;
    list-style: none;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.faq__question::-webkit-details-marker {
    display: none;
}

.faq__question::after {
    content: '+';
    font-size: 22px;
    color: var(--color-accent);
    transition: transform var(--transition);
}

details[open] .faq__question::after {
    content: '−';
}

.faq__answer {
    font-size: 15px;
    color: var(--color-text-light);
    line-height: 1.7;
    padding-top: 12px;
}

/* ---------- 页脚 ---------- */
.footer {
    padding: 60px 0 30px;
    background-color: var(--color-primary);
    color: rgba(255,255,255,0.8);
}

.footer__grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    gap: 40px;
    margin-bottom: 40px;
}

.footer__title {
    font-family: var(--font-heading);
    font-size: 18px;
    color: var(--color-white);
    margin-bottom: 16px;
}

.footer__desc {
    font-size: 14px;
    line-height: 1.7;
}

.footer__links li {
    margin-bottom: 10px;
    font-size: 15px;
}

.footer__links a:hover {
    color: var(--color-accent);
}

.footer__bottom {
    padding-top: 20px;
    border-top: 1px solid rgba(255,255,255,0.15);
    text-align: center;
    font-size: 13px;
    opacity: 0.7;
}